10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the Fiscal Year Ended December 31, 2020

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ______ to ______

Commission File Number 001-35095

UNITED COMMUNITY BANKS, INC.

(Exact name of registrant as specified in its charter)

Georgia	58-1807304
(State of incorporation)	(I.R.S. Employer Identification No.)

125 Highway 515 East
Blairsville, Georgia	30512
(Address of principal executive offices)	(Zip code)

Registrant’s telephone number, including area code: (706) 781-2265

Securities registered pursuant to Section 12(b) of the Act:
Title of Each Class	Trading Symbol(s)	Name of Each Exchange on Which Registered
Common stock, par value $1 per share	UCBI	Nasdaq Global Select Market
Depositary shares, each representing 1/1000th interest in a share of Series I Non-Cumulative Preferred Stock	UCBIO	Nasdaq Global Select Market

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ☒ No ☐

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.  Yes ☐ No ☒

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or Section 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☒	Accelerated filer	☐
Non-accelerated filer	☐	Smaller reporting company	☐
		Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C.7262(b)) by the registered public accounting firm that prepared or issued its audit report. ☒

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

State the aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant’s most recently completed second fiscal quarter: $1,567,580,828 (based on shares held by non-affiliates at $20.12 per share, the closing stock price on the Nasdaq stock market on June 30, 2020).

As of January 31, 2021, there were 86,736,280 shares of United Community Banks, Inc.’s common stock issued and outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the registrant’s Proxy Statement for the 2021 Annual Meeting of Shareholders to be held on May 12, 2021 (the “2021 Proxy Statement”) are incorporated herein into Part III by reference.

UNITED COMMUNITY BANKS, INC.
FORM 10-K
INDEX
	Glossary of Defined Terms	3
	Forward-looking Statements	5
PART I
Item 1.	Business	7
Item 1A.	Risk Factors	20
Item 1B.	Unresolved Staff Comments	34
Item 2.	Properties	34
Item 3.	Legal Proceedings	34
Item 4.	Mine Safety Disclosures	34
PART II
Item 5.	Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities	35
Item 6.	Selected Financial Data	37
Item 7.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	39
Item 7A.	Quantitative and Qualitative Disclosures About Market Risk	64
Item 8.	Financial Statements and Supplementary Data	65
Item 9.	Changes in and Disagreements with Accountants on Accounting and Financial Disclosure	128
Item 9A.	Controls and Procedures	128
Item 9B.	Other Information	128
PART III
Item 10.	Directors, Executive Officers and Corporate Governance	129
Item 11.	Executive Compensation	129
Item 12.	Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters	129
Item 13.	Certain Relationships and Related Transactions, and Director Independence	129
Item 14.	Principal Accounting Fees and Services	129
PART IV
Item 15.	Exhibits, Financial Statement Schedules	130
Item 16.	Form 10-K Summary	133
SIGNATURES		134

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Glossary of Defined Terms

The following terms may be used throughout this report, including the consolidated financial statements and related notes.

Term	Definition
ACL	Allowance for credit losses
ALCO	Asset/Liability Management Committee
AOCI	Accumulated other comprehensive income (loss)
ASC	Accounting Standards Codification
ASC 326	ASC Topic 326, Financial Instruments - Credit Losses
ASU	Accounting standards update
BHC Act	Bank Holding Company Act of 1956, as amended
Bank	United Community Bank
Board	United Community Banks Inc., Board of Directors
BOLI	Bank owned life insurance
BSA	Bank Secrecy Act
CARES Act	Coronavirus Aid, Relief, and Economic Security Act
CECL	Current expected credit loss model
CET1	Common equity tier 1
CFPB	Consumer Financial Protection Bureau
CME	Chicago Mercantile Exchange
Company	United Community Banks Incorporated (interchangeable with "United" below)
CRA	Community Reinvestment Act
GADBF	Georgia Department of Banking and Finance
Dodd-Frank Act	Dodd-Frank Wall Street Reform and Consumer Protection Act
DRIP	Dividend Reinvestment and Stock Purchase Plan
DTA	Deferred tax asset
DTL	Deferred tax liability
Fannie Mae	Federal National Mortgage Association
FASB	Financial Accounting Standards Board
FCA	United Kingdom's Financial Conduct Authority
FDIC	Federal Deposit Insurance Corporation
Federal Reserve	Federal Reserve System
FHLB	Federal Home Loan Bank
FinCEN	Financial Crimes Enforcement Network
FMBT	First Madison Bank & Trust
Foundation	United Community Bank Foundation
Freddie Mac	Federal Home Loan Mortgage Corporation
FTE	Fully taxable equivalent
Funded Plan	Funded noncontributory defined benefit pension plan acquired with Palmetto
GAAP	Accounting principles generally accepted in the United States of America
GLB Act	Gramm-Leach-Bliley Act
GSE	U.S. government-sponsored enterprise
Holding Company	United Community Banks, Inc. on an unconsolidated basis
Incurred Loss	Incurred loss impairment framework used to calculate the allowance for loan loss for periods prior to January 1, 2020

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LIBOR	London Interbank Offered Rate
LIHTC	Low income housing tax credits
MD&A	Management's Discussion and Analysis of Financial Condition and Results of Operations
Modified Retirement Plan	United's unfunded noncontributory defined benefit pension plan
Nasdaq	National Association of Securities Dealers Automated Quotations Stock Market's Global Select Market
Navitas	Navitas Credit Corp.
Non-PCI	Loans purchased without evidence of deteriorated credit quality since origination, referred to as purchased non-credit impaired
NOW	Negotiable order of withdrawal
NPA	Nonperforming asset
OFAC	U.S. Department of the Treasury's Office of Foreign Assets Control
Palmetto	Palmetto Bancshares, Inc.
Patriot Act	Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism Act of 2001
PCD	Purchased credit deteriorated loans
PCI	Purchased credit impaired loans
PPP	Paycheck Protection Program
PSU	Performance based restricted stock unit awards with market conditions
Report	Annual Report on Form 10-K
RWA	Risk-weighted assets
SBA	United States Small Business Administration
Seaside	Seaside National Bank & Trust
SEC	Securities and Exchange Commission
SOFR	Secured Overnight Financing Rate
TDR	Troubled debt restructuring
the Bank	United Community Bank
Three Shores	Three Shores Bancorporation, Inc.
U.S. Treasury	United States Department of the Treasury
UCBI	United Community Banks, Inc. and its direct and indirect subsidiaries
UCMS	United Community Mortgage Services
UCPS	United Community Payment Systems, LLC
United	United Community Banks, Inc. and its direct and indirect subsidiaries
USDA	United States Department of Agriculture

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Cautionary Note Regarding Forward-Looking Statements

This Report contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. In particular, information appearing under “Business,” “Risk Factors,” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” includes forward-looking statements. Forward-looking statements are neither statements of historical fact nor assurance of future performance and generally can be identified by the use of forward-looking terminology such as “believes”, “expects”, “may”, “will”, “could”, “should”, “projects”, “plans”, “goal”, “targets”, “potential”, “estimates”, “pro forma”, “seeks”, “intends”, or “anticipates”, or similar expressions. Forward-looking statements include discussions of strategy, financial projections, guidance and estimates (including their underlying assumptions), statements regarding plans, objectives, expectations or consequences of various transactions or events, and statements about our future performance, operations, products and services, and should be viewed with caution.

Because forward-looking statements relate to the future, they are subject to known and unknown risks, uncertainties, assumptions and changes in circumstances, many of which are out of our control, and that are difficult to predict as to timing, extent, likelihood and degree of occurrence, and that could cause actual results to differ materially from the results implied or anticipated by the statements. Except as required by law, we expressly disclaim any obligations to publicly update any forward-looking statements whether written or oral, that may be made from time to time, whether as a result of new information, future developments or otherwise. Important factors that could cause our actual results and financial condition to differ materially from those indicated in the forward-looking statements, in addition to those described in detail under Items 1A of this Report - “Risk Factors” - include, but are not limited to the following:

•negative economic and political conditions that adversely affect the general economy, housing prices, the real estate market, the job market, consumer confidence, the financial condition of our borrowers and consumer spending habits, which may affect, among other things, the levels of non-performing assets, charge-offs and provision expense;

•changes in loan underwriting, credit review or loss policies associated with economic conditions, examination conclusions or regulatory developments, either as they currently exist or as they may be affected by conditions associated with the COVID-19 pandemic;

•the COVID-19 pandemic and its continuing effects on the economic and business environments in which we operate;

•strategic, market, operational, liquidity and interest rate risks associated with our business;

•continuation of historically low interest rates coupled with other potential fluctuations or unanticipated changes in the interest rate environment, including interest rate changes made by the Federal Reserve, the discontinuation of LIBOR as an interest rate benchmark, as well as cash flow reassessments may reduce net interest margin and/or the volumes and values of loans made or held as well as the value of other financial assets;

•our lack of geographic diversification and any unanticipated or greater than anticipated adverse conditions in the national or local economies in which we operate;

•our loan concentration in industries or sectors that may experience unanticipated or greater than anticipated adverse conditions than other industries or sectors in the national or local economies in which we operate;

•the risks of expansion into new geographic or product markets;

•risks with respect to future mergers or acquisitions, including our ability to successfully expand and complete acquisitions and integrate businesses and operations that we acquire;

•our ability to attract and retain key employees;

•competition from financial institutions and other financial service providers including non-bank financial technology providers and our ability to attract customers from other financial institutions;

•losses due to fraudulent and negligent conduct of our customers, third party service providers or employees;

•cybersecurity risks and the vulnerability of our network and online banking portals, and the systems or parties with whom we contract, to unauthorized access, computer viruses, phishing schemes, spam attacks, human error, natural disasters, power loss and other security breaches that could adversely affect our business and financial performance or reputation;

•our reliance on third parties to provide key components of our business infrastructure and services required to operate our business;

•the risk that we may be required to make substantial expenditures to keep pace with regulatory initiatives and the rapid technological changes in the financial services market;

•the availability of and access to capital;

•legislative, regulatory or accounting changes that may adversely affect us;

•volatility in the ACL resulting from the CECL methodology, either alone or as that may be affected by conditions arising out of the COVID-19 pandemic;

•adverse results (including judgments, costs, fines, reputational harm, inability to obtain necessary approvals and/or other negative effects) from current or future litigation, regulatory proceedings, examinations, investigations, or similar matters, or developments related thereto;

•any matter that would cause us to conclude that there was impairment of any asset, including intangible assets, such as goodwill;

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•limitations on our ability to declare and pay dividends and other distributions from the Bank to the Holding Company, which could affect Holding Company liquidity, including its ability to pay dividends to shareholders or take other capital actions; and

•other risks and uncertainties disclosed in documents filed or furnished by us with or to the SEC, any of which could cause actual results to differ materially from future results expressed, implied or otherwise anticipated by such forward-looking statements.

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PART I

Unless the context otherwise requires, the terms “we,” “our,” or “us” refer to United Community Banks, Inc. and its direct and indirect subsidiaries, including United Community Bank.

ITEM 1.    BUSINESS.

Overview

We are a bank holding company with approximately $17.8 billion in assets as of December 31, 2020. We were incorporated in 1987 and began operations in 1988 in the state of Georgia by acquiring the capital stock of the Bank, a Georgia state-chartered bank that opened in 1950. We have since grown through a combination of acquisitions and strategic growth throughout the Georgia, South Carolina, North Carolina, Tennessee, and Florida markets, as well as nationally through our SBA/USDA lending and equipment finance businesses.

Recent Developments during 2020

COVID-19 Pandemic

During 2020, global financial markets experienced significant volatility resulting from the spread of a novel coronavirus known as COVID-19. In March of 2020, the World Health Organization declared COVID-19 a global pandemic and the United States declared a National Public Health Emergency. The COVID-19 pandemic has materially restricted and continues to materially restrict the level of economic activity in our markets. In response to the pandemic, state governments both inside and outside of our markets took and continue to take preventative or protective actions, such as imposing restrictions on travel and business operations, advising or requiring individuals to limit or forgo time outside of their homes, and ordering temporary closures of businesses that have been deemed to be non-essential. These measures have dramatically increased unemployment in the United States and have negatively impacted many businesses, and thereby threatened the repayment ability of some of our borrowers.

To address the economic impact in the United States, the CARES Act was enacted in March 2020. The CARES Act included a number of provisions that affected us, including accounting relief for TDRs and regulatory capital relief for the effect of CECL implementation. The CARES Act also established the PPP through the SBA, which allowed us to lend money to small businesses, with guarantees from the SBA, to maintain employee payrolls and pay other qualified expenses during the crisis. Under this program, loan amounts may be forgiven if the proceeds were used for payroll and other permitted expenses in accordance with the requirements of the PPP, and the borrower meets certain other requirements.

The Federal Reserve also took additional steps to bolster the economy by, among other things, reducing the federal funds rate and the discount-window borrowing rate to near zero.

In response to the pandemic, we implemented protocols and processes to help protect our employees, customers and communities. These measures included:

•Temporarily operating our branches under a drive-through model with appointment-only lobby service, facilitating work from home, when possible, for employees, and leveraging our business continuity plans that include critical operations teams being divided and dispersed to separate locations;

•Offering assistance to our customers affected by the COVID-19 pandemic, including payment deferrals, waiving certain fees, suspending property foreclosures, and participating in the CARES Act and lending programs for businesses, including the SBA PPP;

•Temporarily suspending common stock repurchases to maximize capital and liquidity resources; and

•Issuing $100 million of non-cumulative perpetual preferred stock and $100 million of senior debentures to ensure our capital ratios and liquidity remain strong throughout the rapidly changing economic conditions.

In connection with reviewing our financial condition in light of the pandemic, we evaluated certain assets, including goodwill and other intangibles, for potential impairment. Based upon our most recent review as of December 31, 2020, we determined that no impairments have occurred. We also elected to delay for two years the phase-in of the capital impact from our adoption of ASC 326, the new accounting standard on credit losses. For more information, see Capital Adequacy.

As indicated, we implemented various consumer and commercial loan modification programs to provide our borrowers relief from the economic impacts of COVID-19. Based on guidance in the CARES Act, COVID-19 related modifications to loans that were current as

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of December 31, 2019 are exempt from TDR classification under GAAP. In addition, the bank regulatory agencies issued interagency guidance stating that COVID-19 related short-term modifications (i.e., payment deferrals) granted to loans that were current as of the loan modification program implementation date are not new TDRs. For more information, see Table 16 - COVID-19 Deferrals in Part II, Item 7. MD&A of this Report.

Acquisition of Three Shores Bancorporation, Inc.

On July 1, 2020, we acquired Three Shores, including its wholly-owned subsidiary, Seaside, headquartered in Orlando, Florida. Seaside operated a 14-branch network located in key Florida metropolitan markets. In this acquisition, United acquired $2.13 billion of assets and assumed $1.99 billion of liabilities. In the merger, Three Shores shareholders received $188 million in total consideration, consisting of $164 million (8.13 million shares) in United common stock and $24.1 million in cash.

Operations

We provide a wide array of commercial and consumer banking services, including checking, savings and time deposit accounts, secured and unsecured loans, mortgage loans, payment services, wire transfers, wealth management, trust services, private banking, investment advisory services, insurance, and other related financial services to our customers. Our business model combines the commitment to exceptional customer service of a local bank with the products and expertise of a larger institution. We believe that we have a strong culture focused on the golden rule of banking – treating each other and the customer the way we would want to be treated. We exist to serve our customers, and we are committed to making lives better through outstanding products, dedication to our customers, and serving the communities in which we operate.

We operate as a locally-focused community bank, supplemented by experienced, centralized support to deliver products and services to our larger, more sophisticated, customers. Our organizational structure reflects these strengths, with local leaders for each market and market advisory boards operating in partnership with the product experts of our Commercial Banking Solutions unit. We believe that this combination of service and expertise sets us apart and is instrumental in our strategy to build long-term relationships.

Our revenue is primarily derived from interest on and fees received in connection with the loans we make and from interest and dividends from our investment securities and short-term investments. The principal sources of funds for our lending activities are customer deposits, repayment of loans, and the sale and maturity of investment securities. Our principal expenses are interest paid on deposits and other borrowings and operating and general administrative expenses.

Lending Activities

We offer a full range of lending services, including real estate, consumer and commercial loans, to individuals, small businesses, mid-sized commercial businesses and non-profit organizations. We also originate loans partially guaranteed by the SBA and to a lesser extent by the USDA loan programs. Our consolidated loans at December 31, 2020 were $11.4 billion, or 64% of total consolidated assets. The interest rates that we charge on loans vary with the degree of risk, maturity and amount of the loan, and are further subject to competitive pressures, deposit costs, availability of funds and government regulations.

The most significant categories of our loans are those to finance owner occupied real estate, commercial income property, commercial and industrial equipment and operating loans, and consumer loans secured by personal residences. A majority of our loans are made on a secured basis.

The majority of our loans are to customers located in the immediate market areas of our banking locations in Georgia, South Carolina, North Carolina, Tennessee, and Florida, including customers who have a seasonal residence in our market areas. We originate a significant portion of our SBA/USDA and equipment finance loans on a national basis, to customers outside of our immediate market areas.

Our full-service retail mortgage lending division, UCMS, is approved as a seller/servicer for the Fannie Mae and the Freddie Mac and provides fixed and adjustable-rate home mortgages. During 2020, the Bank originated $2.12 billion in residential mortgage loans for the purchase of homes and to refinance existing mortgage debt. The majority of these mortgages were sold into the secondary market without recourse to us, other than for breaches of warranties. We have retained the servicing on most of our mortgage loans sold.

Our credit organization provides each lending officer with written guidelines for lending activities, and limited lending authority is delegated to lending officers. Loans in excess of individual officer credit authority must be approved by a senior officer with sufficient approval authority delegated by our credit organization or by our Senior Credit Committee.

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Our Regional Credit Officers, Senior Credit Officers, and Senior Risk Officers provide credit approval and portfolio administration support for our commercial lending operations as needed. Our Regional Credit Officers have lending authority set by our Chief Commercial Credit Officer based on characteristics of the markets they serve. For commercial loan relationships less than $500,000, we use a centralized small business lending/underwriting department.

We have a centralized consumer credit center that provides underwriting, regulatory disclosure and document preparation for all consumer loan requests originated by our lenders. Applications are processed through an automated loan origination software platform and approved by credit center underwriters.

Our Loan Review Department reviews, or engages an independent third party to review, our loan portfolio on an ongoing basis to identify any weaknesses in the portfolio and to assess the general quality of credit underwriting. The results of such reviews are presented to our executive management and our Board.

For additional information regarding our lending activity, see the section captioned “Loans” in the “Balance Sheet Review” section of Part II, Item 7. MD&A of this Report.

Deposit Activities

Deposits are the major source of our funds for lending and other investment activities. We offer our customers a variety of deposit products, including checking accounts, savings accounts, money market accounts and other deposit accounts, through multiple channels, including our network of full-service branches and our online, mobile and telephone banking platforms. We consider the majority of our regular savings, demand, NOW and money market deposit accounts to be core deposits. Generally, we attempt to maintain the rates paid on our deposits at a competitive level. We generate the majority of our deposits from customers in our local markets. For additional information regarding our deposit accounts, see the section captioned “Deposits” in Part II, Item 7. MD&A of this Report.

Investments

We use our investment portfolio to provide for the investment of excess funds at acceptable risk levels while providing liquidity to fund loan demand or to offset fluctuations in deposits. Our portfolio consists primarily of residential and commercial mortgage-backed securities, asset-backed securities, U.S. Treasury, U.S. agency and municipal obligations. Most of the securities are classified by us as available-for-sale and recorded on our balance sheet at fair value at each balance sheet date. Changes in fair value on available-for-sale securities are generally recorded directly in our shareholders’ equity account and are not recognized in our income statement.

Wealth Management, Trust, and Insurance

Through our Seaside Wealth Management division, we provide financial planning services, customized portfolio management and investment advice utilizing an open architecture approach to the selection of asset managers. We also offer trust services to manage fiduciary assets. Seaside Capital Management, Inc., a registered investment advisor that is a subsidiary of the Bank, offers investment advisory services for clients who wish to utilize an independent custodian. Seaside Insurance, Inc., a subsidiary of the Bank, operates as an independent insurance agency for our clients.

Through our United Community Advisory Services division, we generate fee revenue through the sale of non-deposit investment products and insurance products, including life insurance, long-term care insurance and tax-deferred annuities, to our customers. We have an affiliation with a third party broker/dealer, LPL Financial, to facilitate this line of business.

Reinsurance and Merchant Services

We own a captive insurance subsidiary, NLFC Reinsurance Corp., which provides reinsurance on a property insurance contract covering equipment financed by our equipment financing division.

We provide payment processing services for our commercial and small business customers through UCPS. UCPS is a joint venture between the Bank and BluePay Processing, LLC, a merchant services provider and subsidiary of Fiserv, Inc.

Competition

We compete in the highly competitive banking and financial services industry. Our profitability depends principally on our ability to effectively compete in the markets in which we conduct business.

We experience strong competition from both bank and non-bank competitors. Broadly speaking, we compete with national banks, super-regional banks, smaller community banks, credit unions, non-traditional internet-based banks and insurance companies. We also

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compete with other financial intermediaries and investment alternatives such as mortgage companies, credit card issuers, leasing companies, finance companies, money market mutual funds, brokerage firms, governmental and corporate bond issuers, and other securities firms. Many of these non-bank competitors are not subject to the same regulatory oversight, which can provide them a competitive advantage in some instances. In many cases, our competitors have substantially greater resources and offer certain services that we are unable to provide to our customers.

We encounter strong pricing competition in providing our services, particularly in making loans and attracting deposits. The larger national and super-regional banks may have significantly greater lending limits and may offer additional products. We attempt to compete successfully with our competitors, regardless of their size, by emphasizing customer service while continuing to provide a wide variety of services.

We expect competition in the industry to continue to increase mainly as a result of the improvement in financial technology used by both existing and new banking and financial services firms. Competition may further intensify as additional companies (both banks and non-banks) enter the markets where we conduct business, competitors combine to present more formidable challengers, and we enter mature markets in accordance with our expansion strategy.

Acquisitions and Expansion

We look for opportunities to expand into attractive markets in which we believe our operating model will be successful. We have entered new markets and expanded our product offerings both by establishing new branches and service locations and also by selective acquisitions of existing market participants. We have developed a number of commercial lending businesses organically, which provide local commercial real estate, middle market, senior living, renewable energy, builder finance and asset-based lending services. We generally seek acquisition partners that share a similar culture and commitment to customer service. Acquisitions typically involve the payment of a premium over book and market values and, therefore, some dilution to our book value may occur with any future transactions. Our goal is to maintain a reasonable earn-back period of any tangible book value dilution, using realistic growth and expense reduction assumptions, as well as to achieve an attractive return on investment. Our ability to engage in any potential acquisition will depend upon the review and approval from various bank regulatory authorities.

Supervision and Regulation

General

Like all banks and bank holding companies, we are regulated extensively under state and federal banking laws. The regulatory framework is intended primarily for the protection of the depositors, the federal deposit insurance fund and the banking system as a whole and not for the protection of our shareholders and creditors. Certain provisions of laws and regulations affecting financial services firms are subject to further rulemaking, guidance and interpretation by the applicable federal regulators. The Holding Company is subject to the examination and reporting requirements of the Federal Reserve and the GADBF and also is subject to regulation by the SEC by virtue of its status as a public company and due to the nature of some of its businesses. The Bank is subject to examination and reporting requirements of the FDIC, the GADBF and the CFPB. The financial statements and information contained herein have not been reviewed, or confirmed for accuracy or relevance, by the FDIC or any other regulator.

The following is a general summary of the material aspects of certain statutes and regulations applicable to us. These summary descriptions are not complete, and you should refer to the full text of the statutes, regulations, and corresponding guidance for more information. These statutes and regulations are subject to change, and additional statutes, regulations, and corresponding guidance may be adopted. We are unable to predict these future changes or the effects, if any, that these changes could have on our business, revenues, and results of operations.

Bank Holding Company Regulation

The Holding Company is a registered bank holding company subject to regulation by the Federal Reserve under the BHC Act and is required to file annual and quarterly financial information with, and is subject to periodic examination by, the Federal Reserve. The BHC Act requires every bank holding company to obtain the Federal Reserve’s prior approval before (1) acquiring direct or indirect ownership or control of more than 5% of the voting shares of any bank that it does not already control; (2) acquiring all or substantially all of the assets of a bank; and (3) subject to certain exceptions, merging or consolidating with any other bank holding company. In addition, a bank holding company is generally prohibited from engaging in, or acquiring a direct or indirect interest in or control of more than 5% of the voting shares of any company engaged in, non-banking activities. This prohibition does not apply to activities listed in the BHC Act or found by the Federal Reserve, by order or regulation, to be closely related to banking or managing or controlling banks as to be a proper incident thereto. 

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Some of the activities that the Federal Reserve has determined by regulation or order to be closely related to banking are: 

•making or servicing loans and certain types of leases;

•performing certain data processing services;

•acting as fiduciary or investment or financial advisor;

•providing brokerage services;

•underwriting bank eligible securities;

•underwriting debt and equity securities on a limited basis through separately capitalized subsidiaries; and

•making investments in corporations or projects designed primarily to promote community welfare.

Although the activities of bank holding companies have traditionally been limited to the business of banking and activities closely related or incidental to banking (as discussed above), the GLB Act relaxed the previous limitations and permitted bank holding companies to engage in a broader range of financial activities. Specifically, bank holding companies may elect to become financial holding companies, which allows them to affiliate with securities firms and insurance companies and engage in other activities that are financial in nature. We have not sought financial holding company status, but we may elect that status in the future. If we were to become a financial holding company, we would be required to be well capitalized and well managed, and each insured depository institution we control would also have to be well capitalized, well managed and have at least a satisfactory rating under the CRA (discussed below).

The Holding Company also must register with the GADBF and file periodic information with the GADBF. As part of such registration, the GADBF requires information with respect to our financial condition, operations, management and intercompany relationship and related matters. The GADBF may also require such other information as is necessary to keep itself informed concerning compliance with Georgia law and the regulations and orders issued thereunder by the GADBF, and the GADBF may examine both the Holding Company and the Bank. Although the Bank operates branches in North Carolina, Tennessee, South Carolina and Florida, none of the North Carolina Banking Commission, the Tennessee Department of Financial Institutions, the South Carolina Commissioner of Banking, or the Florida Office of Financial Regulation examines or directly regulates out-of-state holding companies. 

The Holding Company is an “affiliate” of the Bank under the Federal Reserve Act, which imposes certain restrictions on (1) loans by the Bank to the Holding Company, (2) investments in the stock or securities of the Holding Company by the Bank, (3) the Bank taking the stock or securities of an “affiliate” as collateral for loans by the Bank to a borrower and (4) the purchase of assets from the Holding Company by the Bank. Further, a bank holding company and its subsidiaries are prohibited from engaging in certain tie-in arrangements in connection with any extension of credit, lease or sale of property or furnishing of services. 

Payment of Dividends

The Holding Company is a legal entity separate and distinct from the Bank. Most of the revenue of the Holding Company results from dividends paid to it by the Bank. There are statutory and regulatory requirements applicable to the payment of dividends and other distributions by the Bank, as well as by the Holding Company to its shareholders. 

Under the regulations of the GADBF, a Georgia state bank may declare a dividend out of its retained earnings without GADBF approval if it meets all the following requirements: 

(a)total classified assets as of the most recent examination of the bank do not exceed 80% of equity capital (as defined by regulation);

(b)the aggregate amount of dividends declared or anticipated to be declared in the calendar year does not exceed 50% of the net profits after taxes but before dividends for the previous calendar year; and

(c)the ratio of equity capital to adjusted assets is not less than 6%.

The payment of dividends by the Holding Company and the Bank may also be affected or limited by other factors, such as the requirement to maintain adequate capital above regulatory guidelines. In addition, if, in the opinion of the applicable regulatory authority, a bank under its jurisdiction is engaged in or is about to engage in an unsafe or unsound practice (which, depending upon the financial condition of the bank, could include the payment of dividends), such authority may require, after notice and hearing, that such bank cease and desist from such practice. The FDIC has issued a policy statement providing that insured banks should generally only pay dividends out of current operating earnings. In addition to the formal statutes and regulations, regulatory authorities consider the adequacy of the Bank’s total capital in relation to its assets, deposits and other such items. Capital adequacy considerations could further limit the availability of dividends from the Bank.

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The Federal Reserve has issued a policy statement on the payment of cash dividends by bank holding companies, which expresses the Federal Reserve’s view that a bank holding company generally should pay cash dividends only to the extent that the holding company’s net income for the past year is sufficient to cover both the cash dividends and a rate of earnings retention that is consistent with the holding company’s capital needs, asset quality, and overall financial condition. The Federal Reserve has also indicated that a bank holding company should not maintain a level of cash dividends that places undue pressure on the capital of its bank subsidiaries, or that can be funded only through additional borrowings or other arrangements that undermine the bank holding company’s ability to act as a source of strength to its bank subsidiaries. The Holding Company and the Bank must also maintain the CET1 capital conservation buffer of 2.5% to avoid becoming subject to restrictions on capital distributions, including dividends, as described below under “Capital Adequacy-Basel III Capital Standards.”

During 2020 and 2018, the Bank paid cash dividends of $150 million and $162 million, respectively, to the Holding Company. In 2019, no cash dividends were paid by the Bank to the Holding Company. The Holding Company declared annual cash dividends on its common stock in 2020, 2019 and 2018 of $0.72, $0.68 and $0.58 per share, respectively.

Capital Adequacy

Banks and bank holding companies are subject to various regulatory capital requirements administered by state and federal banking agencies. Capital adequacy guidelines involve quantitative measures of assets, liabilities and certain off-balance-sheet items calculated under regulatory accounting practices. Capital amounts and classifications are also subject to qualitative judgments by regulators about components, risk weighting and other factors. 

Basel III Capital Standards

Regulatory capital rules adopted in July 2013 and fully-phased in as of January 1, 2019, which we refer to as the Basel III rules, impose minimum capital requirements for bank holding companies and banks. The Basel III rules apply to all national and state banks and savings associations regardless of size and bank holding companies and savings and loan holding companies with more than $3 billion in total consolidated assets.

Specifically, we are required to maintain the following minimum capital levels:

•a CET1 risk-based capital ratio of 4.5%;

•a Tier 1 risk-based capital ratio of 6%;

•a total risk-based capital ratio of 8%; and

•a leverage ratio of 4%.

Under Basel III, Tier 1 capital includes two components: CET1 capital and additional Tier 1 capital. The highest form of capital, CET1 capital, consists solely of common stock (plus related surplus), retained earnings, AOCI, and limited amounts of minority interests that are in the form of common stock. Additional Tier 1 capital is primarily comprised of noncumulative perpetual preferred stock, Tier 1 minority interests and grandfathered trust preferred securities (as discussed below). Tier 2 capital generally includes the ACL up to 1.25% of RWA, qualifying preferred stock, subordinated debt and qualifying tier 2 minority interests, less any deductions in Tier 2 instruments of an unconsolidated financial institution. Cumulative perpetual preferred stock is included only in Tier 2 capital, except that the Basel III rules permit bank holding companies with less than $15 billion in total consolidated assets to continue to include trust preferred securities and cumulative perpetual preferred stock issued before May 19, 2010 in Tier 1 Capital (but not in CET1 capital), subject to certain restrictions. AOCI is presumptively included in CET1 capital and often would operate to reduce this category of capital. When implemented, Basel III provided a one-time opportunity at the end of the first quarter of 2015 for covered banking organizations to opt out of much of this treatment of AOCI. We made this opt-out election and, as a result, retained our pre-existing treatment for AOCI.

In addition, in order to avoid restrictions on capital distributions or discretionary bonus payments to executives, under Basel III, a banking organization must maintain a “capital conservation buffer” on top of its minimum risk-based capital requirements. This buffer must consist solely of Tier 1 Common Equity, but the buffer applies to all three risk-based measurements (CET1, Tier 1 capital and total capital). The 2.5% capital conservation buffer was phased in incrementally over time, and became fully effective for us on January 1, 2019, resulting in the following effective minimum capital plus capital conservation buffer ratios: (i) a CET1 capital ratio of 7.0%, (ii) a Tier 1 risk-based capital ratio of 8.5%, and (iii) a total risk-based capital ratio of 10.5%.

On December 21, 2018, the federal banking agencies issued a joint final rule to revise their regulatory capital rules to (i) address the upcoming implementation of a new credit impairment model, or CECL, as part of an accounting standard under GAAP; (ii) provide an optional three-year phase-in period for the day-one adverse regulatory capital effects that banking organizations are expected to

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experience upon implementing CECL; and (iii) require the use of CECL in stress tests beginning with the 2020 capital planning and stress testing cycle for certain banking organizations that are subject to stress testing. We adopted the CECL accounting standard on January 1, 2020 using the modified retrospective method for loans, leases, and off-balance sheet credit exposures. Adoption of this standard resulted in an $8.75 million increase in the ACL and a cumulative-effect adjustment to retained earnings of $3.53 million, net of tax, during the first quarter of 2020. For more information, see Note 2, Accounting Standards Updates and Recently Adopted Standards, in Part II, Item 8 of this Report - “Notes to Consolidated Financial Statements.”

In December 2017, the Basel Committee on Banking Supervision published the last version of the Basel III accord, generally referred to as “Basel IV.” The Basel Committee stated that a key objective of the revisions incorporated into the framework is to reduce excessive variability of RWA, which will be accomplished by enhancing the robustness and risk sensitivity of the standardized approaches for credit risk and operational risk, which will facilitate the comparability of banks’ capital ratios; constraining the use of internally modeled approaches; and complementing the risk-weighted capital ratio with a finalized leverage ratio and a revised and robust capital floor. Leadership of the federal banking agencies who are tasked with implementing Basel IV supported the revisions. Although it is uncertain at this time, we anticipate some, if not all, of the Basel IV accord may be incorporated into the capital requirements framework applicable to us.

Prompt Corrective Action

In addition to the Basel III rules applicable to both banks and bank holding companies discussed above, the Bank is required to comply with the capital requirements promulgated under the Federal Deposit Insurance Act and the prompt corrective action regulations thereunder, which set forth five capital categories, each with specific regulatory consequences. The federal banking agencies have specified by regulation the relevant capital level for each category.

The following table outlines the five capital categories under these regulations.

	Risk-Based Ratios
Category	Total Capital	Tier 1 Capital	CET1 Capital	Leverage Ratio	Tangible Equity to Total Assets
Well-capitalized	at least 10%	at least 8%	at least 6.5%	at least 5%
Adequately capitalized	at least 8%	at least 6%	at least 4.5%	at least 4%
Undercapitalized	under 8%	under 6%	under 4.5%	under 4%
Significantly undercapitalized	under 6%	under 4%	under 3%	under 3%
Critically undercapitalized					2% or less

As of December 31, 2020, the FDIC categorized the Bank as “well-capitalized” under current regulations. 

Federal banking regulators are required to take various mandatory supervisory actions and are authorized to take other discretionary actions with respect to institutions in the three undercapitalized categories. The severity of the action depends upon the capital category in which the institution is placed. Institutions in any of the three undercapitalized categories are prohibited from declaring dividends or making capital distributions. In addition, an institution that is categorized in the three undercapitalized categories is required to submit an acceptable capital restoration plan to its appropriate federal banking agency, which, for the Bank, is the FDIC. Generally, subject to a narrow exception, banking regulators must appoint a receiver or conservator for an institution that is “critically undercapitalized.” The FDIC regulations also allow it to “downgrade” an institution to a lower capital category based on supervisory factors other than capital.

Consumer Protection Laws

In connection with its lending activities, the Bank is subject to a number of federal and state laws designed to protect borrowers and promote lending to various sectors of the economy and population. These laws include the Equal Credit Opportunity Act, the Fair Credit Reporting Act, the Truth in Lending Act, the Home Mortgage Disclosure Act, the Real Estate Settlement Procedure Act and their respective state law counterparts.

CFPB

The Dodd-Frank Act created the CFPB, which is granted broad rulemaking, supervisory and enforcement powers under various federal consumer financial protection laws, including the Equal Credit Opportunity Act, Truth in Lending Act, Real Estate Settlement

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Procedures Act, Fair Credit Reporting Act, Fair Debt Collection Practices Act, the Consumer Financial Privacy provisions of the GLB Act and certain other statutes. The CFPB has examination and primary enforcement authority with respect to depository institutions with $10 billion or more in assets, including the Bank. The CFPB has authority to prevent unfair, deceptive or abusive practices in connection with the offering of consumer financial products.

The CFPB has issued a number of regulations related to the origination of mortgages, foreclosures, and overdrafts as well as many other consumer issues. Additionally, the CFPB has proposed, or may propose, additional regulations or modifications to existing regulations that directly relate to our business. New CFPB regulations, and changes to CFPB regulations and enforcement priorities, may have a material impact on our compliance costs, compliance risk, and operations of the Bank.

FDIC Insurance Assessments

The Bank’s deposits are insured by the FDIC up to $250,000 per account subject to applicable limitations through the Deposit Insurance Fund. As a result, the Bank must pay deposit insurance assessments to the FDIC. The FDIC imposes a risk-based deposit premium assessment system to determine assessments based on a number of factors to measure the risk each institution poses to the Deposit Insurance Fund. The assessment rate is applied to our total average assets less tangible equity. Under the current system, premiums are assessed quarterly and could increase if, for example, criticized loans and/or other higher risk assets increase or balance sheet liquidity decreases. Because the Bank exceeds $10 billion in assets, the FDIC uses a “scorecard” system to calculate our assessments that combines regulatory ratings and certain forward‑looking financial measures intended to assess the risk an institution poses to the Deposit Insurance Fund. The FDIC also has the ability to make discretionary adjustments to the total score based upon significant risk factors that are not adequately captured in the calculations.

In addition to ordinary assessments described above, the FDIC has the ability to impose special assessments in certain instances. For example, under the Dodd-Frank Act, the minimum designated reserve ratio for the Deposit Insurance Fund was increased to 1.35% of the estimated total amount of insured deposits, and the FDIC adopted rules to impose a surcharge on the quarterly deposit insurance assessments of insured depository institutions deemed to be “large institutions,” generally defined to include banks with total consolidated assets of $10 billion or more for four consecutive quarters, to reach the designated reserve ratio. On September 30, 2018, the Deposit Insurance Fund reached 1.36%, exceeding the statutorily required minimum reserve ratio of 1.35%. On reaching the minimum reserve ratio of 1.35%, FDIC regulations provided for two changes to deposit insurance assessments: (i) surcharges on insured depository institutions with total consolidated assets of $10 billion or more (large institutions) ceased; and (ii) small banks were granted assessment credits for the portion of their assessments that contributed to the growth in the reserve ratio from between 1.15% and 1.35%, to be applied when the reserve ratio was at or above 1.38%. Assessment rates are expected to decrease if the reserve ratio increases such that it exceeds 2%.

The FDIC may also terminate deposit insurance upon a finding that the institution has engaged in unsafe and unsound practices, is in an unsafe or unsound condition to continue operations, or has violated any applicable law, regulation, rule, order or condition imposed by the FDIC.

Durbin Amendment

The Dodd-Frank Act included provisions which restrict interchange fees, which are fees charged by banks to cover the cost of handling and exposure to credit and fraud-related risks inherent in bank credit or debit card transactions, to those which are “reasonable and proportionate” for certain debit card issuers and limits the ability of networks and issuers to restrict debit card transaction routing. This statutory provision is known as the Durbin Amendment. In the Federal Reserve’s final rules implementing the Durbin Amendment, interchange fees for debit card transactions were capped at $0.21 plus five basis points in order to be eligible for a safe harbor such that the fee is conclusively determined to be reasonable and proportionate. Another related rule also permits an additional $0.01 per transaction “fraud prevention adjustment” to the interchange fee if certain Federal Reserve standards are implemented, including an annual review of fraud prevention policies and procedures. With respect to network exclusivity and merchant routing restrictions, it is now required that all debit cards participate in at least two unaffiliated networks so that the transactions initiated using those debit cards will have at least two independent routing channels. The interchange fee restrictions contained in the Durbin Amendment, and the rules promulgated thereunder, apply to debit card issuers with $10 billion or more in total consolidated assets. We became subject to the interchange fee restrictions and other requirements contained in the Durbin Amendment on July 1, 2017.

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Incentive Compensation

In addition to the potential restrictions on discretionary bonus compensation under the Basel III rules, the federal bank regulatory agencies have issued guidance on incentive compensation policies (the “Incentive Compensation Guidance”) intended to ensure that the incentive compensation policies of financial institutions do not undermine the safety and soundness of such institutions by encouraging excessive risk-taking. The Incentive Compensation Guidance, which covers all employees that have the ability to materially affect the risk profile of an institution, either individually or as part of a group, is based upon the key principles that a financial institution’s incentive compensation arrangements should (i) provide incentives that do not encourage risk-taking beyond the institution’s ability to effectively identify and manage risks, (ii) be compatible with effective internal controls and risk management and (iii) be supported by strong corporate governance, including active and effective oversight by the institution’s board of directors.

The Federal Reserve reviews, as part of its regular, risk-focused examination process, the incentive compensation arrangements of financial institutions, including us, that are not “large, complex banking organizations.” These reviews are tailored to each financial institution based on the scope and complexity of the institution’s activities and the prevalence of incentive compensation arrangements. The findings of the supervisory initiatives are included in reports of examination. Deficiencies are incorporated into the financial institution’s supervisory ratings, which can affect the institution’s ability to make acquisitions and take other actions. Enforcement actions may be taken against a financial institution if its incentive compensation arrangements, or related risk-management control or governance processes, pose a risk to the institution’s safety and soundness and the institution is not taking prompt and effective measures to correct the deficiencies.

The scope and content of federal bank regulatory agencies’ policies on executive compensation are continuing to develop and are likely to continue evolving in the near future. It cannot be determined at this time whether compliance with such policies will adversely affect our ability to hire, retain and motivate our key employees.

Source of Strength Doctrine

Under long-standing Federal Reserve policy and now codified in the Dodd-Frank Act, a bank holding company is expected to act as a source of financial and managerial strength to each of its subsidiary banks and commit resources to its support. This support may be required at times when the Holding Company may not have the resources to provide it.

Real Estate Lending

Inter-agency guidelines adopted by federal bank regulatory agencies mandate that financial institutions establish real estate lending policies with maximum allowable real estate loan-to-value limits, subject to an allowable amount of non-conforming loans as a percentage of capital. In addition, the federal bank regulatory agencies, including the FDIC, restrict concentrations in commercial real estate lending and have noted that increases in banks’ commercial real estate concentrations can create safety and soundness concerns. The regulatory guidance mandates certain minimal risk management practices and categorizes banks with defined levels of such concentrations as banks requiring elevated examiner scrutiny.

Transactions with Affiliates

Subsidiaries of bank holding companies, like the Bank, are subject to certain restrictions in their dealings with holding company affiliates. Section 23A of the Federal Reserve Act imposes quantitative and qualitative limits on transactions between a bank and any affiliate, including its holding company, and requires certain levels of collateral for extensions of credit to affiliates and certain other transactions involving affiliates. Section 23B requires that certain transactions between the Bank and its affiliates must be on terms substantially the same, or at least as favorable, as those prevailing at the time for comparable transactions with or involving nonaffiliated companies. In the absence of such comparable transactions, any transaction between banks and their affiliates must be on terms and under circumstances, including credit standards, which in good faith would be offered to or would apply to nonaffiliated companies.

The Bank is also subject to certain restrictions on extensions of credit to executive officers, directors, certain principal shareholders, and their related interests. Extensions of credit include derivative transactions, repurchase and reverse repurchase agreements, and securities borrowing and lending transactions to the extent that such transactions cause a bank to have credit exposure to an insider. Any extension of credit to an insider must be made on substantially the same terms, including interest rates and collateral, as those prevailing at the time for comparable transactions with third parties, and must not involve more than the normal risk of repayment or present other unfavorable features.

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Community Reinvestment Act

The Bank is subject to certain requirements and reporting obligations under the CRA, which requires federal banking regulators to evaluate the record of each financial institution in meeting the credit needs of its local community, including low- and moderate-income neighborhoods. The CRA further requires these criteria to be considered in evaluating mergers, acquisitions and applications to open a branch or facility. Failure to adequately meet these criteria could result in the imposition of additional requirements and limitations on the Bank. Additionally, financial institutions must publicly disclose the terms of various CRA‑related agreements. In its most recent CRA examination, the Bank received a “satisfactory” rating.

In December 2019, the FDIC and the Office of the Comptroller of the Currency proposed changes to the regulations implementing the CRA, which, if adopted will result in changes to the current CRA framework. The Federal Reserve Board did not join the proposal.

Privacy and Data Security

The Federal Reserve, FDIC and other bank regulatory agencies have adopted guidelines for safeguarding confidential, personal customer information. These guidelines require each financial institution, under the supervision and ongoing oversight of its board of directors or an appropriate committee thereof, to create, implement and maintain a comprehensive written information security program designed to ensure the security and confidentiality of customer information, protect against any anticipated threats or hazards to the security or integrity of such information and protect against unauthorized access to or use of such information that could result in substantial harm or inconvenience to any customer. In addition, various federal regulators, including the Federal Reserve and the SEC, have increased their focus on cyber-security through guidance, examinations and regulations. The Bank has adopted a customer information security program that has been approved by its Board of Directors.

The GLB Act requires financial institutions to implement policies regarding the disclosure of non-public personal information about consumers to nonaffiliated third parties. These limitations require disclosure of privacy policies to consumers and, in some circumstances, allow consumers to prevent disclosure of certain personal information to a nonaffiliated third party. The privacy provisions of the GLB Act affect how consumer information is transmitted through diversified financial companies and conveyed to outside vendors and, except as otherwise required by law, prohibits disclosing such information except as provided in a banking subsidiary’s policies and procedures. The Bank has implemented a privacy policy. 

Anti-Money Laundering Initiatives, the USA Patriot Act and the Office of Foreign Asset Control

A major focus of governmental policy on financial institutions in recent years has been aimed at combating terrorist financing, money laundering and other criminal acts. This has generally been accomplished by amending existing anti-money laundering laws and regulations. The Patriot Act amended the Currency Consumer Financial Protection and Foreign Transactions Reporting Act of 1970, commonly referred to as the BSA, to strengthen regulation of money laundering and financing of terrorism. The U.S. Treasury, in cooperation with the FDIC and FinCEN, has issued a number of implementing regulations which apply various requirements of the Patriot Act to the Bank. These regulations impose obligations on financial institutions to maintain appropriate policies, procedures and controls to detect, prevent and report money laundering, terrorist financing and other criminal acts and to verify the identity of their customers. In addition, OFAC, a division of the U.S. Treasury Department charged with administering and enforcing economic and trade sanctions by the U.S. government, publishes lists of persons with which the Bank is prohibited from engaging in business. Over the past several years, federal banking regulators, FinCEN and OFAC have increased supervisory and enforcement attention on U.S. anti-money laundering and sanctions laws, as evidenced by a significant increase in enforcement activity, including several high profile enforcement actions. Several of these actions have addressed violations of the BSA, U.S. sanctions or both, resulting in the imposition of substantial civil monetary penalties. Enforcement actions have increasingly focused on publicly identifying individuals and holding those individuals, including compliance officers, accountable for deficiencies in compliance programs. State attorneys general and the U.S. Department of Justice have also pursued enforcement actions against banking entities alleged to have willfully violated the BSA and U.S. sanctions laws. Failure of a financial institution to maintain and implement adequate programs to combat terrorist financing, or to comply with all of the relevant laws or regulations, can lead to significant monetary penalties and could have other serious legal and reputational consequences for the institution. Our Board has approved policies and procedures that it believes comply with these laws.

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Future Legislation and Regulatory Initiatives

Federal and state legislators as well as regulatory agencies may introduce or enact new laws and rules, or amend existing laws and rules that may affect the regulation of United and its subsidiaries in substantial and unpredictable ways, and, if enacted, could increase or decrease the cost of doing business, limit or expand permissible activities or affect the industry’s competitive balance. The nature and extent of future legislative and regulatory changes affecting financial institutions is not known at this time and cannot be predicted. However, any such changes could affect our business, financial condition and results of operations.

Human Capital Resources

As of January 31, 2021, we had 2,406 full-time equivalent employees. As indicated, we strive to follow the golden rule – trying to treat each other, and our customers, the way we would like to be treated. We believe that our ability to earn the trust of our customers and deliver exceptional customer service hinges on our culture, which in turn depends upon the dedication and engagement of our employees. When employees are dedicated and engaged, they take extra steps for our customers. We have a community bank mindset, empowering employees to make decisions at the local level, while arming our employees with the products, services, and centralized support of a larger institution. We are committed to attracting and retaining talented employees whose values align with our customer service mission, creating meaningful opportunities for training and advancement, and being an extraordinary place to work.

Oversight and Management

Our Board and its Talent and Compensation Committee provide oversight on human capital matters, including overall compensation philosophy, equity award programs, diversity and inclusion, and succession planning. Our Human Resources, Legal, and Compliance departments develop policies associated with our labor and human capital practices, identify risks, and implement practices to mitigate those risks, under the oversight of the Board and its committees. At the management level, our Employee Benefits Committee is responsible for reviewing and approving our employee benefits programs, including healthcare and other benefits. Our Incentive Compensation Committee is responsible for overseeing, reviewing, and approving the non-executive incentive compensation plans for our employees and for assessing the risks associated with those incentive compensation plans.

Benefits

We offer a variety of medical plans for our employees, including prescription drug coverage and comprehensive dental plan. We also provide long-term disability coverage and life insurance for eligible employees. Our cafeteria plans, or reimbursement accounts, help our employees reduce the costs of medical and dependent care by allowing them to set aside pre-tax dollars. Employees are eligible to contribute to our 401(k) Retirement Plan beginning the first of the month following their date of employment. After one year of employment, employees may become eligible for a company match in an amount up to 5% of total salary.

Additionally, we maintain a stock purchase plan that allows employees to elect to purchase company stock through payroll deductions at a discounted price with no commissions.

In 2020, we provided eligible employees with 80 hours of COVID-19 paid leave. We also provided reimbursement to eligible employees for certain childcare expenses resulting from the pandemic. We are continuing to provide these COVID-19 related benefits in 2021.

Employee Professional Development

Through our professional development initiatives, our internal team and subject matter experts provide our employees with quality continuing education on a variety of topics. The workshops are often held regionally and grouped according to employee function for relevancy and convenience. Participation in continuing education is expected and supported so our employees stay informed and up to date on information, skills, and systems.

Through our memberships with the American Bankers Association, the Risk Management Association, the Mid-Size Bank Coalition of America, and state bankers associations, our employees have access to resources, online training, conferences, and discussion groups designed for bankers at all levels in all roles. We encourage our employees to utilize these resources, and we support our employees’ involvement with these organizations for training, to advance their knowledge and skills sets, and to develop leadership skills. Many of our employees are actively engaged in leadership roles, forums, task forces, and other groups within these organizations.

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To encourage, support, and equip our rising leaders with relevant skills, we offer our Leadership Academy, an annual program for a selected group of individuals who exemplify the qualities of a next generation leader. The program is designed to empower emerging leaders with the knowledge and skills necessary to lead our Bank. Participants are selected annually for the multi-month program and engage in strategic projects, leadership and business development sessions, and executive and senior leadership roundtable mentoring. This is intended to allow our highest potential leaders to enhance their knowledge and skills, grow in understanding of our culture and how we do business, and be challenged with assignments that strategically impact the Bank.

Diversity and Inclusion

We strive to foster an open, supportive workplace in which our employees can grow professionally and achieve their potential. We pride ourselves on maintaining workplaces that are intended to inspire employees to voice their ideas and openly express opinions for the betterment of the Bank, our employees, and our customers. We desire that all employees feel that they are operating in an inclusive environment that welcomes and supports differences. We believe that encouraging input from all perspectives allows us to provide our customers with creative ideas and solutions for operating effectively in a complex, ever changing marketplace.

In 2020, we formed our Diversity and Inclusion Council, called the “Power of U.” In addition to leadership provided by our Board and executive management, our Diversity and Inclusion Council is designed to recommend strategies, programs, and opportunities to foster diversity and inclusion. The Power of U is comprised of 14 members from across our geographical footprint and focuses on enhancing the Bank’s culture of teamwork, communication, and connection.

Employee Engagement Surveys

The Best Banks to Work For program, initiated in 2013 by American Banker and Best Companies Group, identifies and recognizes U.S. banks for outstanding employee satisfaction. We are honored to have been named one of American Banker’s 2020 Best Banks to Work For, an award we’ve received for four consecutive years. The Bank is one of only two of the top 50 banks on the list with over $10 billion in assets.

We believe that we are on this list because we listen to our employees and respond to their concerns. Every two years, we conduct an employee engagement survey, facilitated by a third party provider, to seek input and feedback from all of our employees across our entire footprint. Among other things, the survey asks employees to rate and comment on the Bank’s strategies and priorities, customer focus, operations, individual roles and responsibilities, competitiveness for compensation and benefits, work environment, and employee engagement. The survey includes questions that ask employees to score certain questions, as well as allowing employees to provide open-ended feedback responses.

The employment engagement survey results are reviewed and discussed by both executive management and our Board. Our leadership analyzes the survey feedback for areas of improvement, progress, and emphasis. Our leadership takes the survey feedback into account in developing and prioritizing the Bank’s strategic plans and initiatives. We also share an overview of the survey results with our employees and communicate the changes we make in response to the survey to meet our employees’ needs, to enhance our employees’ experience, and to continue to make our company an employer of choice.

We know employees want to work for companies that give back and, as an organization, we believe in the power of coming together for good. In 2020, we conducted our first community engagement survey, facilitated by a third party provider, to seek input and feedback from all of our employees about volunteerism, community issues that are important to them, and how they would like to see us involved in the local communities that we serve. We are using the community engagement survey feedback to enhance our community engagement initiatives and involvement with our local communities.

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Information About Our Executive Officers

Information regarding our current executive officers as of February 1, 2021, is set forth below. Each of our executive officers is appointed annually by the Board and serves at the discretion of the Board.

Name (age)	Position with United and Employment History	Officer of United Since
H. Lynn Harton (59)	President, Chief Executive Officer and Director (2018-present); President, Chief Operating Officer and Director (2015-2018)	2012
Jefferson L. Harralson (55)	Executive Vice President and Chief Financial Officer (2017-present); prior to joining United was Managing Director at Keefe, Bruyette and Woods (2002–2017)	2017
Melinda Davis Lux (48)	Executive Vice President, General Counsel and Corporate Secretary (2020–present); prior to joining United was Partner at Womble Bond Dickinson (US) LLP (2016-2020); prior to joining Womble Bond Dickinson, was Partner at the law firm Wyche, P.A.	2020
Robert A. Edwards (56)	Executive Vice President and Chief Risk Officer (2019-present); Executive Vice President and Chief Credit Officer (2015-2019)	2015
Richard W. Bradshaw (59)	Chief Banking Officer (2019-present); President, Commercial Banking Solutions (2014-2018)	2014
Mark Terry (54)	Chief Information Officer (2017-present); Chief Technology Officer (2016-2017); prior to joining United was Chief Information Officer at Palmetto Bancshares, Inc. (2011-2016)	2016

There are no familial relationships between any of our directors or executive officers. There also are no arrangements or understandings between any executive officer and any other person pursuant to which any of them was elected as an officer, other than arrangements or understandings with directors or officers of United acting solely in their capacities as such.

Available Information

Our internet website address is www.ucbi.com. We file with or furnish to the SEC annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and amendments to those reports, proxy statements and annual reports to shareholders and, from time to time, registration statements and other documents. These documents are available free of charge to the public on or through the “Investor Relations” section of our website as soon as reasonably practicable after we electronically file them with or furnish them to the SEC. The SEC maintains an internet site that contains reports, proxy and information statements and other information that we file electronically with, or furnish to, the SEC. The address of that website is www.sec.gov. The information on any website referenced in this Report is not incorporated by reference into, and is not a part of this Report. Further, our references to website URLs are intended to be inactive textual references only.

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ITEM 1A.    RISK FACTORS.

Investors should carefully consider the information contained or incorporated by reference in this Report before deciding to purchase our common stock. The items discussed below are the material factors that make an investment in our common stock speculative or risky, which could, in turn, have a material effect on our financial condition, results of operations or business. Some of these risks are interrelated and the occurrence of one or more of them may exacerbate the effect of others.

CREDIT AND COUNTERPARTY RISK

We are subject to credit risk from our lending activities.  

Lending activities are inherently risky. When we lend money or commit to lend, we incur credit risk or the risk of loss if borrowers do not repay their loans or other credit obligations. Credit risk includes, among other things, the quality of our underwriting, the impact of changes in interest rates and changes in the economic conditions in the markets where we operate as well as across the United States. Increases in interest rates and/or weakening economic conditions could adversely affect the ability of borrowers to repay outstanding loans or the value of the collateral securing these loans. If loan customers with significant loan balances fail to repay their loans, our results of operations, financial condition and capital levels will suffer.

We are exposed to higher credit and concentration risk from our commercial real estate, commercial and industrial and commercial construction lending.

Our credit risk and credit losses can increase if our loans become concentrated to borrowers engaged in the same or similar activities or to borrowers who as a group may be uniquely or disproportionately affected by economic or market conditions. As of December 31, 2020, approximately 79% of our loan portfolio consisted of commercial loans, including commercial and industrial, equipment financing, commercial construction and commercial real estate mortgage loans. Our borrowers under these loans tend to be small to medium-sized businesses. These types of loans are typically larger than residential real estate loans or consumer loans. During periods of lower economic growth or challenging economic periods, small to medium-sized businesses may be impacted more severely and more quickly than larger businesses. Consequently, the ability of such businesses to repay their loans may deteriorate, and in some cases this deterioration may occur quickly, which would adversely affect our results of operations and financial condition. An increase in non-performing loans could result in a net loss of earnings from these loans, an increase in the provision for loan losses and an increase in loan charge-offs, all of which could have a material adverse effect on our business, financial condition and results of operations.

Deterioration in economic conditions, housing conditions and commodity and real estate values and an increase in unemployment in certain states or locations could result in materially higher credit losses if loans are concentrated in those locations. Our loans are heavily concentrated in our primary markets of Georgia, South Carolina, North Carolina, Tennessee and Florida. These markets may have different or weaker performance than other areas of the country and our portfolio may be more negatively impacted than a financial services company with wider geographic diversity.

See the section captioned “Loans” in the “Balance Sheet Review” section of Part II, Item 7. MD&A of this Report for further discussion related to commercial and industrial, construction and commercial real estate loans.

If our allowance for credit losses was required to be increased because it is not large enough to cover actual losses in our loan portfolio, our results of operations and financial condition could be materially and adversely affected.

We maintain an ACL, which is a reserve established through a provision for credit losses charged to expense. After adopting ASC 326, the ACL reflects our assessment of the current expected losses over the life of the loan using historical experience, current conditions and reasonable and supportable forecasts. CECL has created more volatility in the level of our ACL because it relies on macroeconomic forecasts. It is possible that CECL may increase the cost of lending in the industry and result in slower loan growth and lower levels of net income. The level of the allowance reflects our continuing evaluation of factors including current economic forecasts, historical loss experience, the volume and types of loans, and specific credit risks. The determination of the appropriate level of the ACL inherently involves subjectivity in our modeling and requires us to make estimates of current credit risks and future trends, all of which may undergo material changes or vary from our historical experience. Deterioration in economic conditions affecting borrowers, changing economic forecasts, new information regarding existing loans, identification of additional problem loans and other factors, both within and outside of our control, may require an increase in the ACL. If we are required to materially increase our level of ACL for any reason, such increase could adversely affect our business, financial condition and results of operations.

In addition, bank regulatory agencies periodically review our ACL and may require an increase in the provision for credit losses or the recognition of further loan charge-offs, based on judgments different than those of management. Furthermore, if charge-offs in future periods exceed the ACL, we will need additional provisions to increase the ACL. Any increases in the ACL will result in a decrease in net income and, possibly, capital, and may have a material adverse effect on our business, financial condition and results of operations.

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See the section captioned “Allowance for Credit Losses” in Part II, Item 7. MD&A of this Report for further discussion related to our process for determining the appropriate level of the ACL.

The soundness of other financial institutions could adversely affect us.

Our ability to engage in routine funding transactions could be adversely affected by the actions and financial stability of other financial institutions. Financial services institutions are interrelated as a result of trading, clearing, counterparty or other relationships. This is sometimes referred to as “systemic risk” and may adversely affect financial intermediaries, such as clearing agencies, clearing houses, banks, securities firms and exchanges, with which we interact daily, and therefore could adversely affect us. We have exposure to various counterparties, including clearing houses, brokers and dealers, commercial and correspondent banks, and others. As a result, defaults by, or rumors or questions about, one or more financial services institutions, or the financial services industry generally, may result in market-wide liquidity problems and could lead to losses or defaults by such other institutions. Such occurrences could expose us to credit risk in the event of default of one or more counterparties and could have a material adverse effect on our financial position, results of operations and liquidity.

LIQUIDITY RISK

The inability to maintain or raise funds in amounts adequate to meet our needs could impair our ability to fund our operations and jeopardize our financial condition.

Liquidity represents an institution’s ability to provide funds to satisfy demands from depositors, borrowers and other creditors by either converting assets into cash or accessing new or existing sources of incremental funds. Liquidity risk arises from the possibility that we may be unable to satisfy current or future funding requirements and needs.

The objective of managing liquidity risk is to ensure that our cash flow requirements resulting from depositor, borrower and other creditor demands as well as our operating cash needs, are met, and that our cost of funding such requirements and needs is reasonable. We maintain an asset/liability and interest rate risk policy and a liquidity and funds management policy, including a contingency funding plan that, among other things, include procedures for managing and monitoring liquidity risk. Generally, we rely on deposits, repayments of loans and leases and cash flows from our investment securities as our primary sources of funds. Our principal deposit sources include consumer, commercial and public funds customers in our markets. We have used these funds, together with wholesale deposit sources such as brokered deposits, along with FHLB advances, federal funds purchased and other sources of short-term and long-term borrowings, to make loans and leases, acquire investment securities and other assets and to fund continuing operations.

An inability to maintain or raise funds in amounts necessary to meet our liquidity needs could have a substantial negative effect, individually or collectively, on our liquidity. Our access to funding sources in amounts adequate to finance our activities, or on terms attractive to us, could be impaired by factors that affect us specifically or the financial services industry in general. For example, factors that could detrimentally impact our access to liquidity sources include a decrease in the level of our business activity due to a market downturn or adverse regulatory action against us, a reduction in our credit rating, any damage to our reputation or any other decrease in depositor or investor confidence in our creditworthiness and business. Our access to liquidity could also be impaired by factors that are not specific to us, such as severe volatility or disruption of the financial markets or negative views and expectations about the prospects for the financial services industry as a whole. Any such event or failure to manage our liquidity effectively could affect our competitive position, increase our borrowing costs and the interest rates we pay on deposits, limit our access to the capital markets and have a material adverse effect on our results of operations or financial condition.

Deposit levels may be affected by several factors, including rates paid by competitors, general interest rate levels, returns available to customers on alternative investments, general economic and market conditions and other factors. Loan and lease repayments are a relatively stable source of funds but are subject to the borrowers’ and lessees’ ability to repay loans and leases, which can be adversely affected by a number of factors including changes in general economic conditions, adverse trends or events affecting business industry groups or specific businesses, declines in real estate values or markets, business closings or lay-offs, inclement weather, natural disasters and other factors. Furthermore, loans and leases generally are not readily convertible to cash. Accordingly, we may be required from time to time to rely on secondary sources of liquidity to meet growth in loans and leases, deposit withdrawal demands or otherwise fund operations. Such secondary sources include FHLB advances, brokered deposits, secured and unsecured federal funds lines of credit from correspondent banks, Federal Reserve borrowings and/or accessing the equity or debt capital markets.

The availability of these secondary funding sources is subject to broad economic conditions, to regulation and to investor assessment of our financial strength and, as such, the cost of funds may fluctuate significantly and/or the availability of such funds may be restricted, thus impacting our net interest income, our immediate liquidity and/or our access to additional liquidity. If we fail to remain “well-capitalized” our ability to utilize brokered deposits may be restricted. We have somewhat similar risks to the extent high balance core deposits exceed the amount of deposit insurance coverage available.

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We anticipate we will continue to rely primarily on deposits, loan and lease repayments, and cash flows from our investment securities to provide liquidity. Additionally, when necessary, the secondary sources of borrowed funds described above will be used to augment our primary funding sources. If we are unable to access any of these secondary funding sources when needed, we might be unable to meet our customers’ or creditors’ needs, which would adversely affect our financial condition, results of operations and liquidity.

We may need to raise additional capital in the future to support our operations and business plan and our ability to raise capital and maintain required capital levels could be adversely affected by changes in the capital markets and deteriorating economic and market conditions.

Federal and state bank regulators require United and the Bank to maintain adequate levels of capital to support operations. At December 31, 2020, both the Holding Company’s and the Bank’s regulatory capital ratios were above “well-capitalized” levels under regulatory guidelines. However, our business strategy calls for continued growth in our existing banking markets and targeted expansion in new markets. Growth in assets at rates in excess of the rate at which our capital is increased through retained earnings will reduce our capital ratios unless we continue to increase capital via other means. Failure by us to meet applicable capital guidelines or to satisfy certain other regulatory requirements could subject us to a variety of enforcement remedies available to the federal regulatory authorities (including a capital directive) and would negatively impact our ability to pursue acquisitions or other expansion opportunities.

We may need to raise additional capital (including through the issuance of common stock) in the future to provide us with sufficient capital resources to meet our commitments and business needs or in connection with acquisitions. Our ability to maintain capital levels could be impacted by negative perceptions of our business or prospects, changes in the capital markets and deteriorating economic and market conditions.

We cannot assure you that access to capital will be available to us on acceptable terms or at all. Any occurrence that may limit our access to the capital markets may materially and adversely affect our capital costs and our ability to raise capital and/or debt and, in turn, our liquidity. If we cannot raise additional capital when needed, our ability to expand through internal growth or acquisitions or to continue operations could be impaired, and we may need to finance or liquidate unencumbered assets to meet maturing liabilities. We may be unable to do so or have to do so on terms which are unfavorable, which could adversely affect our results of operations and financial condition.

The inability of our subsidiaries to declare and pay dividends or other distributions to the Holding Company could adversely affect its liquidity and ability to declare and pay dividends.

While our Board, since 2013, has approved the payment of a quarterly cash dividend on our common stock, there can be no assurance whether or when we may pay dividends in the future. Future dividends, if any, will be declared and paid at the Board’s discretion and will depend on a number of factors including, among others, asset quality, earnings performance, liquidity and capital requirements. Our principal source of funds used to pay cash dividends on our common and preferred stock is dividends that we receive from the Bank. As a Georgia state-chartered bank, the Bank is subject to limitations on the amount of dividends that it is permitted to pay, as described under “Supervision and Regulation - Payment of Dividends” in Part I, Item 1 of this Report. The federal banking agencies have also issued policy statements which provide that bank holding companies and insured banks should generally only pay dividends out of current earnings. The Federal Reserve may also prevent the payment of a dividend by the Bank if it determines that the payment would be an unsafe and unsound banking practice. The Holding Company and the Bank must also maintain the CET1 capital conservation buffer of 2.5% to avoid becoming subject to restrictions on capital distributions, including dividends. If the Bank is not permitted to pay cash dividends to the Holding Company, it is unlikely that we would be able to continue to pay dividends on our common stock or to pay interest on our indebtedness.

In addition, the terms of our debentures and preferred stock prohibit us from paying dividends on our common stock until we have made required payments (including any deferred payments) under the debentures and preferred stock. See “MARKET RISKS - Holders of our indebtedness have rights that are senior to those of our common shareholders.”

OPERATIONAL RISKS

We are dependent on our information technology and telecommunications systems and third-party servicers, and systems failures, interruptions, cyber-attacks or breaches of security could disrupt our business and have an adverse effect on our financial condition and results of operations.

Our operations rely on the secure processing, storage and transmission of confidential and other information in our computer systems and networks as well as through the internet through digital and mobile technologies. Although we take protective measures and

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endeavor to modify these systems as circumstances warrant, the advances in technology increase the risk of information security breaches. We provide our customers the ability to bank remotely, including over the Internet or through their mobile device. The secure transmission of confidential information is a critical element of remote and mobile banking. Any failure, interruption or breach in security of these systems could result in disruptions to our accounting, deposit, loan and other systems, and adversely affect our customer relationships.

There have been increasing efforts on the part of third parties, including through cyber-attacks, to breach data security at financial institutions or with respect to financial transactions. There have been several recent instances involving financial services, credit bureaus and consumer-based companies reporting the unauthorized disclosure of client or customer information or the destruction or theft of corporate data, by both private individuals and foreign governments. In addition, because the techniques used to cause such security breaches change frequently, often are not recognized until launched against a target and may originate from less regulated and remote areas around the world, we may be unable to proactively address these techniques or to implement adequate preventative measures. Our network, and the systems of parties with whom we contract, could be vulnerable to unauthorized access, computer viruses, phishing schemes, spam attacks, human error, natural disasters, power loss and other security breaches.

Cyber threats are rapidly evolving and we may not be able to anticipate or prevent all such attacks. These risks are heightened through the increasing use of digital and mobile solutions which allow for rapid money movement and increase the difficulty to detect and prevent fraudulent transactions. We may be required to spend significant capital and other resources to protect against the threat of security breaches and computer viruses, or to alleviate problems caused by security breaches or viruses. To the extent that our activities or the activities of our customers involve the storage and transmission of confidential information, security breaches (including breaches of security of customer systems and networks) and viruses could expose us to claims, litigation and other possible liabilities. Any inability to prevent security breaches or computer viruses could also cause existing customers to lose confidence in our systems and could adversely affect our reputation, results of operations and ability to attract and maintain customers and businesses. In addition, a security breach could also subject us to additional regulatory scrutiny, expose us to civil litigation and possible financial liability and cause reputational damage.

We rely on information technology and telecommunications systems and certain third-party service providers and certain failures could materially adversely affect our operations.

Our business is highly dependent on the successful and uninterrupted functioning of our information technology and telecommunications systems, third-party accounting systems and mobile and online banking platforms. We outsource many of our major systems, such as data processing, loan servicing and deposit processing systems and online banking platforms. While we have selected these vendors carefully, we do not control their actions. The failure of these systems, or the termination of a third-party software license or service agreement on which any of these systems is based, could interrupt our operations. Financial or operational difficulties of a vendor could also hurt our operations if those difficulties interfere with the vendor’s ability to serve us. Furthermore, our vendors could also be sources of operational and information security risk to us, including from breakdowns or failures of their own systems or capacity constraints. Replacing these third-party vendors could also create significant delay and expense. Because our information technology and telecommunications systems interface with and depend on third-party systems, we could experience service denials if demand for such services exceeds capacity or such third-party systems fail or experience interruptions. If sustained or repeated, a system failure or service denial could result in a deterioration of our ability to process new and renewal loans, gather deposits and provide customer service, compromise our ability to operate effectively, damage our reputation, result in a loss of customer business and/or subject us to additional regulatory scrutiny and possible financial liability, any of which could have a material adverse effect on our financial condition and results of operations.

Failure to keep pace with technological changes could adversely affect our business.

The financial services industry is continually undergoing rapid technological change with frequent introductions of new technology-driven products and services. The effective use of technology increases efficiency and enables financial institutions to better serve customers and to reduce costs. Our future success depends, in part, upon our ability to address the needs of our customers by using technology to provide products and services that will satisfy customer demands, as well as to create additional efficiencies in our operations. Many of our competitors have substantially greater resources to invest in technological improvements. We may not be able to effectively implement new technology-driven products and services or be successful in marketing these products and services to our customers. Failure to successfully keep pace with technological change affecting the financial services industry could have a material adverse effect on our business, financial condition and results of operations.

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Competition from financial institutions and other financial service providers may adversely affect our profitability.

The banking business is highly competitive and we experience competition in each of our markets from many other financial institutions. We compete with banks, credit unions, savings and loan associations, mortgage banking firms, securities brokerage firms, insurance companies, money market funds and other mutual funds, as well as community, super-regional, national and international financial institutions that operate offices in our market areas and elsewhere. The financial services industry could become even more competitive as a result of legislative and regulatory changes. In addition, as customer preferences and expectations continue to evolve, technology has lowered barriers to entry and made it possible for nonbanks to offer products and services traditionally provided by banks, such as automatic transfer and automatic payment systems. We compete with these institutions both in attracting deposits and in making loans. Many of our competitors are well-established, larger financial institutions that can operate profitably with a narrower net interest margin and have a more diverse revenue base. In addition, many have fewer regulatory constraints and may have lower cost structures. We may face a competitive disadvantage as a result of our smaller size, more limited geographic diversification and inability to spread costs across broader markets. Although we compete by concentrating marketing efforts in our primary markets with local advertisements, personal contacts and greater flexibility and responsiveness in working with local customers, customer loyalty can be easily influenced by a competitor’s new products and our strategy may or may not continue to be successful. Failure to perform in any of these areas could significantly weaken our competitive position, which could adversely affect our growth and profitability which, in turn, could have a material adverse effect on our business, financial condition and results of operations. We may also be affected by the marketplace loosening of credit underwriting standards and structures.

An ineffective risk management framework could have a material adverse effect on our strategic planning and our ability to mitigate risks and/or losses and could have adverse regulatory consequences.

We have implemented a risk management framework to identify and manage our risk exposure. This framework is comprised of various processes, systems and strategies, and is designed to manage the types of risk to which we are subject, including, among others, credit, market, liquidity, operational, capital, compliance, strategic and reputational risks. Our framework also includes financial, analytical, forecasting, or other modeling methodologies, which involves management assumptions and judgment. In addition, our Board, in consultation with management, has adopted a risk appetite statement, which sets forth certain thresholds and limits to govern our overall risk profile. However, there is no assurance that our risk management framework, including the risk metrics under our risk appetite statement, will be effective under all circumstances or that it will adequately identify, manage or mitigate any risk or loss to us. If our risk management framework is not effective, we could suffer unexpected losses and become subject to regulatory consequences, as a result of which our business, financial condition, results of operations or prospects could be materially adversely affected.

We may be subject to losses due to fraudulent and negligent conduct of our loan customers, third-party service providers and employees.

When we make loans to individuals or entities, we rely upon information supplied by borrowers and other third parties, including information contained in the applicant’s loan application, property appraisal reports, title information and the borrower’s net worth, liquidity and cash flow information. While we attempt to verify information provided through available sources, we cannot be certain all such information is correct or complete. Our reliance on incorrect or incomplete information could have a material adverse effect on our financial condition or results of operations. These losses may be material and negatively affect our results of operations, financial condition or prospects. These losses could also lead to significant reputational risks and other effects. The sophistication of external fraud actors continues to increase, and in some cases includes large criminal rings, which increases the resources and infrastructure needed to thwart these attacks. The industry fraud threat continues to evolve, including but not limited to card fraud, check fraud, social engineering and phishing attacks for identity theft and account takeover. 

Our inability to retain management and key employees or to attract new experienced financial services or technology professionals could impair our relationship with our customers, reduce growth and adversely affect our business.

We have assembled a management team which has substantial background and experience in banking and financial services in our markets. Moreover, much of our organic loan growth in recent years was the result of our ability to attract experienced financial services professionals who have been able to attract customers from other financial institutions. We anticipate deploying a similar hiring strategy in the future. Operating our technology systems requires employees with specialized skills that are not readily available in the general employee candidate pool. Inability to retain these key personnel (including key personnel of the businesses we have acquired) or to continue to attract experienced lenders with established books of business could negatively impact our growth because of the loss of these individuals’ skills and customer relationships and/or the potential difficulty of promptly replacing them. Moreover, the higher costs we must pay to hire and retain these experienced individuals could cause our noninterest expense levels to rise and negatively impact our results of operations.

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We are subject to certain litigation, and our expenses related to this litigation may adversely affect our results.

We are from time to time subject to certain litigation in the ordinary course of our business. As we hire new revenue producing employees, we, and the employees we hire, may also periodically be the subject of litigation and threatened litigation with these employees’ former employers. We may also be subject to claims related to our loan servicing programs, particularly those involving servicing of commercial real estate loans. From time to time, and particularly during periods of economic stress, customers, including real estate developers and consumer borrowers, may make claims or otherwise take legal action pertaining to performance of our responsibilities. These claims are often referred to as “lender liability” claims and are sometimes brought in an effort to produce or increase leverage against us in workout negotiations or debt collection proceedings. Lender liability claims frequently assert one or more of the following allegations: breach of fiduciary duties, fraud, economic duress, breach of contract, breach of the implied covenant of good faith and fair dealing, and similar claims.

These and other claims and legal actions, as well as supervisory and enforcement actions by our regulators, including the CFPB or other regulatory agencies with which we deal, including those with oversight of our loan servicing programs, could involve large monetary claims, capital directives, agreements with federal regulators, cease and desist orders and significant defense costs. The outcome of any such cases or actions is uncertain. Substantial legal liability or significant regulatory action against us could have material adverse financial effects or cause significant reputational harm to us, which in turn could seriously harm our business prospects.

Environmental liability associated with commercial lending could result in losses.

In the course of business, we may acquire, through foreclosure, or deed in lieu of foreclosure, properties securing loans we have originated or purchased which are in default. Particularly in commercial real estate lending, there is a risk that hazardous substances could be discovered on these properties. In this event, we might be required to remove these substances from the affected properties at our sole cost and expense. The cost of this removal could substantially exceed the value of affected properties. We may not have adequate remedies against the prior owner or other responsible parties and could find it difficult or impossible to sell the affected properties. These events could have a material adverse effect on our business, results of operations and financial condition.

REGULATORY COMPLIANCE RISK

We are subject to extensive regulation that could restrict our activities. Additionally, changes in laws and regulations or failures to comply with such laws and regulations may adversely affect our financial condition and results of operations. 

Government regulation and legislation subject United and other financial institutions to restrictions, oversight and/or costs that may have an impact on our business, financial condition, results of operations or the price of our common stock. We are heavily regulated by federal and state authorities. This regulation is designed primarily to protect depositors, federal deposit insurance funds and the banking system as a whole, but not shareholders. Congress and state legislatures and federal and state regulatory authorities continually review banking laws, regulations and policies for possible changes. Changes to statutes, regulations or regulatory policies, including interpretation and implementation of statutes, regulations or policies could affect us in substantial and unpredictable ways, including limiting the types of financial services and products we may offer or increasing the ability of non-banks to offer competing financial services and products. Any regulatory changes or scrutiny could increase or decrease the cost of doing business, limit or expand our permissible activities, or affect the competitive balance among banks, credit unions, savings and loan associations and other institutions. We cannot predict whether new legislation will be enacted and, if enacted, the effect that it, or any regulations, would have on our business, financial condition, or results of operations. 

Federal and state regulators can impose or request that we consent to substantial sanctions, restrictions and requirements on our bank and nonbank subsidiaries if they determine, upon examination or otherwise, violations of laws, rules or regulations with which we or our subsidiaries must comply, or weaknesses or failures with respect to general standards of safety and soundness. Such enforcement may be formal or informal and can include directors’ resolutions, memoranda of understanding, cease and desist or consent orders, civil money penalties and termination of deposit insurance and bank closures. Enforcement actions may be taken regardless of the capital level of the institution. In particular, institutions that are not sufficiently capitalized in accordance with regulatory standards may also face capital directives or prompt corrective action. Enforcement actions may require certain corrective steps (including staff additions or changes), impose limits on activities (such as lending, deposit taking, acquisitions or branching), prescribe lending parameters (such as loan types, volumes and terms) and require additional capital to be raised, any of which could adversely affect our financial condition and results of operations. Enforcement actions, including the imposition of monetary penalties, may have a material impact on our financial condition or results of operations, damage our reputation, and result in the loss of our holding company status. In addition, compliance with any such action could distract management’s attention from our operations, cause us to incur significant expenses, restrict us from engaging in potentially profitable activities and limit our ability to raise capital. Closure of the Bank would result in a total loss of your investment. 

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In addition to other banking regulations, the federal BSA, the Patriot Act and other laws and regulations require financial institutions, among other duties, to institute and maintain effective anti-money laundering programs and file suspicious activity and currency transaction reports as appropriate. The federal FinCEN, established by the Treasury to administer the BSA, is authorized to impose significant civil money penalties for violations of those requirements and has recently engaged in coordinated enforcement efforts with the individual federal bank regulatory agencies, as well as the U.S. Department of Justice, Drug Enforcement Administration and Internal Revenue Service. There is also increased scrutiny of compliance with the rules enforced by the OFAC. Federal and state bank regulators also have begun to focus on compliance with BSA and anti-money laundering regulations. If our policies, procedures and systems are deemed deficient, we would be subject to liability, including fines and regulatory actions such as restrictions on our ability to pay dividends and the necessity to obtain regulatory approvals to proceed with certain aspects of our business plan, including any acquisition plans that we have, which would negatively impact our business, financial condition and results of operations. Failure to maintain and implement adequate programs to combat money laundering and terrorist financing could also have serious reputational consequences for us.

Changes to capital requirements for bank holding companies and depository institutions may restrict our ability to pay or increase dividends on or repurchase our common stock and may negatively affect our results of operations.

We are subject to regulatory requirements specifying minimum amounts and types of capital that we must maintain. From time to time, the regulators change these regulatory capital adequacy guidelines. In particular, the capital requirements applicable to us under the Basel III rules became fully effective on January 1, 2019. We are now required to satisfy additional, more stringent, capital adequacy standards than we had in the past, including the 2.5% capital conservation buffer. Failure to meet minimum capital requirements could result in certain mandatory and possible additional discretionary actions by regulators that, if undertaken, could have an adverse material effect on our financial condition and results of operations. In addition, these requirements could have a negative impact on our ability to lend, grow deposit balances, make acquisitions or make capital distributions in the form of dividends, share repurchases or redemptions. Higher capital levels could also lower our return on equity.

Issuance of additional common stock or other equity securities required to meet regulatory requirements in the future could dilute the ownership interest of existing shareholders.

In order to maintain capital at desired or regulatory-required levels, we may issue or be required to issue additional shares of common stock, or securities convertible into, exchangeable for or representing rights to acquire shares of common stock. We may sell these shares at prices below the current market price of shares, and the sale of these shares may significantly dilute shareholder ownership. We could also issue additional shares in connection with acquisitions of other financial institutions or other investments, which could also dilute shareholder ownership.

As a participating lender in the SBA PPP, the Company and the Bank are subject to litigation risk regarding the Bank’s processing of loans for the PPP, reputational risk, and risk that the SBA may not fund some or all PPP loan guaranties.

In March 2020, the CARES Act, which included a $349 billion loan program administered through the SBA referred to as the PPP, was enacted. The $349 billion in funds for the PPP was exhausted on April 16, 2020. On April 27, 2020, the program was reopened with an additional $310 billion approved by Congress. Under the PPP, small businesses and other entities and individuals can apply for loans from existing SBA lenders and other approved regulated lenders that enroll in the program, subject to detailed qualifications and eligibility criteria. The Bank is participating as a lender in the PPP. Under the PPP, we originated loans for $1.17 billion in the aggregate. In addition, through the acquisition of Three Shores, we acquired $217 million in the aggregate of PPP loans on July 1, 2020.

Because of the short timeframe between the passing of the CARES Act and implementation of the PPP, some of the rules and guidance relating to PPP were issued after lenders began processing PPP applications. Also, there was and continues to be uncertainty in the laws, rules, and guidance relating to the PPP. Since the opening of the PPP, several banks have been subject to litigation regarding the procedures used in processing PPP applications. In addition, some banks and borrowers have received negative media attention associated with PPP loans. Although we monitored all PPP laws, regulations, and guidance and believe that we implemented all requirements upon issuance of such laws, regulations, and guidance, the Company and the Bank may be exposed to litigation risk and/or negative media attention regarding the processing of PPP applications, funding of PPP loans, and the future servicing and forgiveness of PPP loans. If any such litigation is filed against the Company or the Bank and is not resolved in a manner favorable to the Company or the Bank, it may result in significant financial liability or adversely affect the Company’s reputation. In addition, litigation can be costly, regardless of outcome. Any financial liability, litigation costs, or reputational damage caused by PPP related litigation or media attention could have a material adverse impact on our business, financial condition, and results of operations.

The Bank also has credit risk on PPP loans if the SBA determines that there is a deficiency in the manner in which any loans were originated, funded, or serviced by the Bank, including any issue with the eligibility of a borrower to receive a PPP loan. In the event of

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a loss resulting from a default on a PPP loan and a determination by the SBA that there was a deficiency in the manner in which the PPP loan was originated, funded, or serviced by the Bank, the SBA may deny its liability under the guaranty, reduce the amount of the guaranty, or, if the SBA has already paid under the guaranty, seek recovery of any loss related to the deficiency from the Bank.

Disruptions in the operation of government or changes in government funding may adversely affect us.

Certain of our operations and customers are dependent on the regular operation of the federal or state government or programs they administer. For example, our SBA lending program depends on interaction with the SBA, an independent agency of the federal government. During a lapse in funding, such as has occurred during previous federal government “shutdowns”, the SBA may not be able to engage in such interaction. Similarly, loans we make through USDA lending programs may be delayed or adversely affected by lapses in funding for the USDA. In addition, customers who depend directly or indirectly on providing goods and services to federal or state governments or their agencies may reduce their business with us or delay repayment of loans due to lost or delayed revenue from those relationships. If funding for these lending programs or federal spending generally is reduced as part of the appropriations process or by administrative decision, demand for our services may be reduced. Any of these developments could have a material adverse effect on our financial condition, results of operations or liquidity.

MARKET RISKS

Changes in the method pursuant to which LIBOR and other benchmark rates are determined could adversely impact our business and results of operations.

LIBOR and certain other “benchmarks” are the subject of recent national, international and other regulatory guidance and proposals for reform. These reforms may cause such benchmarks to perform differently than in the past or have other consequences which cannot be predicted. Our floating-rate funding, certain hedging transactions and certain of the products that we offer, such as floating-rate loans and mortgages, determine their applicable interest rate or payment amount by reference to a benchmark rate, such as LIBOR, SOFR, the prime rate or the federal funds rate. In July 2017, the Chief Executive of the FCA announced that the FCA intends to stop persuading or compelling banks to submit rates for the calculation of LIBOR after 2021. This announcement indicates that the continuation of LIBOR on the current basis cannot and will not be guaranteed after 2021. Consequently, at this time, it is not possible to predict whether and to what extent banks will continue to provide submissions for the calculation of LIBOR. Similarly, it is not possible to predict whether LIBOR will continue to be viewed as an acceptable market benchmark, what rate or rates may become accepted alternatives to LIBOR, or what the effect of any such changes in views or alternatives may be on the markets for LIBOR-linked financial instruments.

Although we are currently unable to assess what the ultimate impact of the transition from LIBOR will be, the market transition away from LIBOR to an alternative reference rate is complex and the failure to adequately manage the transition could have a range of material adverse effects on our business, financial condition and results of operations, including the potential to:

•adversely affect the interest rates paid or received on, and the revenue and expenses associated with, our floating rate obligations, loans, deposits, derivatives and other financial instruments tied to LIBOR rates, or other securities or financial arrangements given LIBOR’s role in determining market interest rates globally;

•adversely affect the value of our floating rate obligations, loans, deposits, derivatives and other financial instruments tied to LIBOR rates, or other securities or financial arrangements given LIBOR’s role in determining market interest rates globally;

•prompt inquiries or other actions from regulators in respect of our preparation and readiness for the replacement of LIBOR with an alternative reference rate;

•result in disputes, litigation or other actions with counterparties regarding the interpretation and enforceability of certain fallback language in LIBOR-based securities; and

•require the transition to or development of appropriate systems and analytics to effectively transition our risk management processes from LIBOR-based products to those based on the applicable alternative pricing benchmark.

The manner and impact of this transition, as well as the effect of these developments on our funding costs, loan and investment and trading securities portfolios, asset-liability management and business, is uncertain.

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Adverse conditions in the business or economic environment where we operate, as well as broader conditions, globally and in the United States, could have a material adverse effect on our financial condition and results of operations.

Our success depends significantly upon local, national and global economic and political conditions, as well as governmental monetary policies and trade relations. Our financial performance generally, and in particular the ability of borrowers to pay interest on and repay principal of outstanding loans and the value of collateral securing those loans, as well as demand for loans and other products and services we offer, is highly dependent upon the business environment in the markets where we operate and in the United States as a whole. Unlike banks that are more geographically diversified, we are a regional bank that provides services to customers primarily in Georgia, South Carolina, North Carolina, Tennessee and Florida. The market conditions in these markets may be different from, and could be worse than, the economic conditions in the United States as a whole. Adverse changes in business and economic conditions generally or specifically in the markets in which we operate could affect impact our business, including causing one or more of the following negative developments:

•a decrease in the demand for loans and other products and services offered by us;

•a decrease in the value of the collateral securing our residential or commercial real estate loans;

•a permanent impairment of our assets; or

•an increase in the number of customers or other counterparties who default on their loans or other obligations to us, which could result in a higher level of NPAs, net charge-offs and provision for loan losses.

Our success is also influenced heavily by population growth, income levels, loans and deposits and on stability in real estate values in our markets. If the communities in which we operate do not grow or if prevailing economic conditions locally or nationally weaken significantly, our business may be adversely affected. If market and economic conditions deteriorate, this may lead to valuation adjustments on our loan portfolio and losses on defaulted loans and on the sale of other real estate owned. Additionally, such adverse economic conditions in our market areas, specifically decreases in real estate property values due to the nature of our loan portfolio, the majority of which is secured by real estate, could reduce our growth rate, affect the ability of our customers to repay their loans and generally affect our financial condition and results of operations. We are less able than larger institutions to spread the risks of unfavorable local economic conditions across a larger number of more diverse economies.

Changes in interest rate levels could negatively affect the demand for our products, our net interest margin, and consequently our net earnings, and our ability to manage interest rate risk exposure may be ineffective.

Our profitability is dependent to a large extent on net interest income, which is the difference between interest income earned on loans, leases and investment securities and interest expense paid on deposits, other borrowings, senior debt and subordinated notes. The absolute level of interest rates as well as changes in interest rates, including changes to the shape of the yield curve, may affect our level of interest income, the primary component of our gross revenue, as well as the level of our interest expense. In a period of changing interest rates, interest expense may increase at different rates than the interest earned on assets, impacting our net interest income. Interest rate fluctuations are caused by many factors which, for the most part, are not under our control. For example, national monetary policy implemented by the Federal Reserve plays a significant role in the determination of interest rates. Additionally, competitor pricing and the resulting negotiations that occur with our customers also impact the rates we collect on loans and the rates we pay on deposits. In addition, the discontinuance of LIBOR as a reference rate, and the uncertainty related to such potential changes, may adversely affect the value of reference rate-linked loans, debt securities and derivatives that we hold or issue, which could further impact our interest rate spread.

Changes in the level of interest rates also may negatively affect demand for, and thus our ability to originate, loans, the value of our assets and our ability to realize gains from the sale of our assets, all of which ultimately affect our results of operations and financial condition. A decline in the market value of our assets may limit our ability to borrow additional funds. As a result, we could be required to sell some of our loans and investments under adverse market conditions, upon terms that are not favorable to us, in order to maintain our liquidity. If those sales are made at prices lower than the amortized costs of the investments, we will incur losses.

Because of significant competitive pressures in our markets and the negative impact of these pressures on our deposit and loan pricing, coupled with the fact that a significant portion of our loan portfolio has variable rate pricing that moves in concert with changes to LIBOR or other benchmark rates (which are at relatively low levels as a result of macroeconomic conditions), our net interest margin may be negatively impacted if these short-term rates remain at their low levels or decrease further. However, if short-term interest rates rise, our results of operations may also be negatively impacted if we are unable to increase the rates we charge on loans or earn on our investment securities in excess of the increases we must pay on deposits and our other funding sources. As interest rates change, we expect that we will periodically experience “gaps” in the interest rate sensitivities of our assets and liabilities, meaning that either our interest-bearing liabilities (usually deposits and borrowings) will be more sensitive to changes in market interest rates than

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our interest-earning assets (usually loans and investment securities), or vice versa. In either event, if market interest rates should move contrary to our position, this “gap” may work against us, and our results of operations and financial condition may be negatively affected.

We have historically entered into certain hedging transactions including interest rate swaps, which are designed to lessen elements of our interest rate exposure. If interest rates do not change in the manner anticipated, such transactions may not be effective and our results of operations may be adversely affected.

The COVID-19 pandemic is expected to continue to disrupt and adversely affect our business and results of operations, and the ultimate impacts of the pandemic on our business, financial condition and results of operations will depend on future developments and other factors that are highly uncertain and will be impacted by the scope and duration of the pandemic and actions taken by governmental authorities in response to the pandemic.

The ongoing COVID-19 pandemic has caused and will continue to cause significant disruption in the international and United States economies and financial markets and has had an adverse effect on our business and results of operations. The spread of COVID-19 has caused illness and death resulting in quarantines, cancellation of events and travel, business and school shutdowns, reduction in business activity and financial transactions, supply chain interruptions, and overall economic and financial market instability. In response to the COVID-19 pandemic, the governments of the states in which we have branches, and most other states, have taken preventative or protective actions, such as imposing restrictions on travel and business operations, advising or requiring individuals to limit or forego their time outside of their homes, and ordering temporary closures of businesses that have been deemed to be non-essential. These restrictions and other consequences of the pandemic have resulted in significant adverse effects for many different types of businesses, including, among others, those in the hospitality (including hotels and lodging) and restaurant industries, and have resulted in a significant number of layoffs and furloughs of employees nationwide and in the regions in which we operate.

The ultimate effects of the COVID-19 pandemic on the broader economy and the markets that we serve are not known, nor is the ultimate length of the restrictions described above and any accompanying effects. Moreover, the Federal Reserve has taken action to lower the Federal Funds rate, which may negatively affect our interest income and, therefore, earnings, financial condition, and results of operation. Additional impacts of the COVID-19 pandemic on our business could be widespread and material, and may include, or exacerbate, among other consequences, any of the risk factors described herein or any of the following:

•employees contracting COVID-19;

•reductions in operating effectiveness as employees work from home;

•a work stoppage, forced quarantine, or other interruption of our business;

•unavailability of key personnel necessary to conduct our business activities;

•effects on key employees, including operational management personnel and those charged with preparing, monitoring, and evaluating our financial reporting and internal controls;

•increased cybersecurity risks as a result of many of our employees working remotely;

•sustained closures of branch lobbies or the offices or businesses of our customers;

•declines in demand for loans and other banking services and products;

•reduced consumer spending due to job losses and other effects attributable to the COVID-19 pandemic;

•unprecedented volatility in United States financial markets;

•volatile performance of our investment securities portfolio;

•decline in the credit quality of our loan portfolio resulting from the effects of the COVID-19 pandemic in our markets, leading to a need to increase the ACL, as applicable;

•increases in the ACL resulting from CECL, either alone or as affected by the impact of COVID-19;

•declines in value of collateral for loans, including real estate collateral;

•declines in the net worth and liquidity of borrowers and loan guarantors, impairing their ability to honor commitments to us, which may affect, among other things, the levels of NPAs, charge-offs, and provision expense; and

•declines in demand resulting from businesses deemed to be “non-essential” by governments in the markets that we serve, and from both “non-essential” and “essential” businesses suffering adverse effects from reduced levels of economic activity.

These factors, together or in combination with other events or occurrences that may not yet be known or anticipated, may materially and adversely affect our business, financial condition, and results of operations.

The ongoing COVID-19 pandemic has resulted in meaningfully lower stock prices for many companies, as well as the trading prices for many other securities. The further spread of COVID-19, as well as ongoing or new governmental, regulatory, and private sector responses to the pandemic, may materially disrupt banking and other economic activity generally and in the areas in which we operate. This could result in further decline in demand for our banking products and services, and could negatively impact, among other things,

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our liquidity, regulatory capital, and our growth strategy. Any one or more of these developments could have a material adverse effect on our business, financial condition, and results of operations.

Although we are taking precautions to protect the safety and well-being of our employees and customers, if we experience a prolonged disruption in our employees’ ability to provide customer support and service, our business, financial condition, and results of operation could be materially and adversely affected. In addition, our financial performance generally, and in particular the ability of borrowers to pay interest and repay principal of outstanding loans, the value of collateral securing those loans, and the demand for loans and other products and services that we offer, is highly dependent upon the business environment in the primary markets in which we operate and in the United States as a whole. Unfavorable market conditions and uncertainty due to the coronavirus pandemic may result in a deterioration in the credit quality of borrowers, an increase in the number of loan delinquencies, defaults, and charge-offs, additional provisions for loan losses, adverse asset values of the collateral securing loans, and an overall material adverse effect on the quality of our loan portfolio. Moreover, the duration of the coronavirus pandemic and its corresponding impact on unfavorable and uncertain economic conditions is unknown and highly uncertain.

Weather-related events or other natural disasters may have an effect on the performance of our loan portfolios, especially in our coastal markets, thereby adversely affecting our results of operations.

Our operations and customer base are located in markets where natural disasters, including tornadoes, severe storms, fires, floods, hurricanes and earthquakes have occurred. Such natural disasters could significantly affect the local population and economies and our business, and could pose physical risks to our properties. Although our banking offices are geographically dispersed throughout portions of the southeastern United States and we maintain insurance coverage for such events, a significant natural disaster in or near one or more of our markets could have a material adverse effect on our financial condition, results of operations or liquidity.

STRATEGIC RISKS

Our acquisitions and future expansion may result in additional risks.

We expect to continue to expand in our current markets and in select attractive new growth markets by opening additional branches and service locations and also through acquisitions of all or part of other financial institutions. These types of expansions involve various risks, including:

Planning and Execution of Expansion. We may be unable to successfully:

•identify and expand into suitable markets;

•identify and acquire suitable sites for new branches and service locations and comply with zoning and permitting requirements;

•identify and execute potential acquisition targets;

•develop accurate estimates and judgments to evaluate asset values and credit, operations, management and market risks with respect to an acquired branch or institution, a new branch office or a new market;

•realize certain assumptions and estimates to preserve the expected financial benefits of the transaction;

•avoid the diversion of our management’s attention from existing operations during the negotiation of a transaction;

•manage successful entry into new markets where we have limited or no direct prior experience;

•obtain regulatory and other approvals, or obtain such approvals without restrictive conditions;

•avoid the incurrence and possible impairment of goodwill associated with an acquisition and possible adverse effects on results of operations; or

•finance an acquisition or expansion or avoid possible dilution of our tangible book value.

Management of Growth. We may be unable to successfully:

•maintain loan quality in the context of significant loan growth;

•attract sufficient deposits and capital to fund anticipated loan growth;

•maintain adequate common equity and regulatory capital;

•avoid diversion or disruption of our existing operations or management as well as those of the acquired institution;

•hire or retain adequate management personnel and systems to oversee and support such growth;

•avoid the loss of key employees and customers of an acquired branch or institution;

•maintain adequate internal audit, loan review and compliance functions;

•implement additional policies, procedures and operating systems required to support such growth;

•integrate the acquired financial institution or portion of the institution; or

•avoid temporary disruption of our business or the business of the acquired institution.

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Regulatory and Economic Factors. Our growth and expansion plans also may be adversely affected by a number of regulatory and economic developments or other events. Failure to obtain required regulatory approvals, changes in laws and regulations or other regulatory developments and changes in prevailing economic conditions or other unanticipated events may prevent or adversely affect our continued growth and expansion. Such factors may cause us to alter our growth and expansion plans or slow or halt the growth and expansion process, which may prevent us from entering into or expanding in our targeted markets or allow competitors to gain or retain market share in our existing markets.

Failure to successfully address these and other issues related to our expansion could have a material adverse effect on our financial condition and results of operations, and could adversely affect our ability to successfully implement our business strategy. Also, if our growth occurs more slowly than anticipated or declines, our results of operations and financial condition could be materially adversely affected.

SPECIFIC RISKS RELATED TO OWNERSHIP OF OUR COMMON STOCK

United’s corporate organizational documents and the provisions of Georgia law to which we are subject contain certain provisions that could have an anti-takeover effect and may delay, make more difficult or prevent an attempted acquisition of United that you may favor.

United’s amended and restated articles of incorporation, as amended (our “articles”), and bylaws, as amended (our “bylaws”), contain various provisions that could have an anti-takeover effect and may delay, discourage or prevent an attempted acquisition or change of control of United. These provisions include:

•a provision allowing the Board to consider the interests of our employees, customers, suppliers and creditors when considering an acquisition proposal;

•a provision that all amendments to the articles and bylaws must be approved by a majority of the outstanding shares of our capital stock entitled to vote;

•a provision requiring that any business combination involving United be approved by 75% of the outstanding shares of United’s common stock excluding shares held by stockholders who are deemed to have an interest in the transaction unless the business combination is approved by 75% of United’s directors;

•a provision restricting removal of directors except for cause and upon the approval of two-thirds of the outstanding shares of our capital stock entitled to vote;

•a provision that any special meeting of shareholders may be called only by the chairman, chief executive officer, president, chief financial officer, board of directors or the holders of 25% of the outstanding shares of United’s capital stock entitled to vote; and

•a provision establishing certain advance notice procedures for matters to be considered at an annual meeting of shareholders.

Additionally, United’s articles authorize the Board to issue shares of preferred stock without shareholder approval and upon such terms as the Board may determine. The issuance of our preferred stock, while providing desirable flexibility in connection with possible acquisitions, financings and other corporate purposes, could have the effect of making it more difficult for a third party to acquire, or of discouraging a third party from acquiring, a controlling interest in us. In addition, certain provisions of Georgia law, including a provision which restricts certain business combinations between a Georgia corporation and certain affiliated shareholders, may delay, discourage or prevent an attempted acquisition or change in control of United.

Holders of our indebtedness and preferred stock have rights that are senior to those of our common shareholders.

At December 31, 2020, we had outstanding senior debentures, subordinated debentures, trust preferred securities and accompanying subordinated debentures and preferred stock totaling $423 million. Payments of the principal and interest on the senior debentures, subordinated debentures and the subordinated debentures accompanying the trust preferred securities and dividends on the preferred stock are senior to payments with respect to shares of our common stock. We also conditionally guarantee payments of the principal and interest on the trust preferred securities. As a result, we must make payments on these debt instruments (including the related trust preferred securities) and preferred shares before any dividends can be paid on our common stock and, in the event of bankruptcy, dissolution or liquidation, the holders of the debt and preferred shares must be satisfied before any distributions can be made on our common stock. We have the right to defer distributions on the subordinated debentures related to the trust preferred securities (and the related guarantee of payments on the trust preferred securities) for up to five years, during which time no dividends may be paid on our common stock. If our financial condition deteriorates or if we do not receive required regulatory approvals, we may be required to defer distributions on the subordinated debentures related to the trust preferred securities (and the related guarantee of payments on the trust preferred securities).

We may from time to time issue additional senior or subordinated indebtedness or preferred stock that would have to be repaid before our shareholders would be entitled to receive any of our assets.

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An investment in our common stock is not an insured deposit and is not guaranteed by the FDIC.

Our common stock is not a bank deposit and, therefore, is not insured against loss by the FDIC, any other deposit insurance fund or by any other public or private entity. Investment in our common stock is inherently risky for the reasons described herein and our shareholders will bear the risk of loss if the value or market price of our common stock is adversely affected.

GENERAL RISK FACTORS

If we fail to maintain an effective system of internal control over financial reporting, we may not be able to accurately report our financial results. As a result, current and potential holders of our securities could lose confidence in our financial reporting, which would harm our business and the trading price of our securities.

Maintaining and adapting our internal controls over financial reporting, as required by Section 404 of the Sarbanes-Oxley Act, is expensive and requires significant management attention. Moreover, as we continue to grow, our internal controls may become more complex and require additional resources to ensure they remain effective amid dynamic regulatory and other guidance. Failure to implement effective controls or difficulties encountered in the process may harm our results of operations and financial condition or cause us to fail to meet our reporting obligations. If we or our independent registered accounting firm identify material weaknesses in our internal control over financial reporting or are otherwise required to restate our financial statements, we could be required to implement expensive and time-consuming remedial measures and could lose investor confidence in the accuracy and completeness of our financial reports. We may also face regulatory enforcement or other actions, including the potential delisting of our securities from the Nasdaq. This could have an adverse effect on our business, financial condition or results of operations, as well as the trading price of our securities, and could potentially subject us to litigation.

Our reported financial results incorporate significant assumptions, estimates and judgments. In addition, changes in accounting standards or interpretations could impact our reported earnings and financial condition.

Management must make significant assumptions and estimates and exercise significant judgment in selecting and applying accounting and reporting policies. In some cases, management must select a policy from two or more alternatives, any of which may be reasonable under the circumstances, which may result in reporting materially different results than would have been reported under a different alternative.

Certain accounting policies are critical to presenting our financial condition and results. They require management to make difficult, subjective and complex assumptions, estimates and judgments about matters that are uncertain. Materially different amounts could be reported under different conditions or using different assumptions and estimates. These critical accounting policies relate to the ACL and fair value measurement. Because of the uncertainty of assumptions and estimates involved in these matters, we may be required to do one or more of the following: significantly increase the ACL and/or sustain credit losses that are significantly higher than the reserve provided; or, significantly decrease the carrying value of loans, foreclosed property or other assets or liabilities to reflect a reduction in their fair value.

The accounting standard setters, including the FASB, the SEC and other regulatory agencies, periodically change the financial accounting and reporting standards that govern the preparation of our consolidated financial statements. For additional information, refer to Note 2 to our consolidated financial statements contained in this Report. These changes can be hard to predict and can materially impact how we record and report our financial condition and results of operations. In some cases, we could be required to apply a new or revised standard retroactively, which would result in the recasting of our prior period financial statements.

We could be subject to changes in tax laws, regulations and interpretations or challenges to our income tax provision.

We compute our income tax provision based on enacted tax rates in the jurisdictions in which we operate. Any change in enacted tax laws, rules or regulatory or judicial interpretations, any adverse outcome in connection with tax audits in any jurisdiction or any change in the pronouncements relating to accounting for income taxes could adversely affect our effective tax rate, tax payments and results of operations.

Negative publicity could damage our reputation and our business.

Reputation risk, or the risk to our earnings, liquidity and capital from negative public opinion, is inherent in our business. Negative public opinion could adversely affect our ability to keep and attract customers and expose us to adverse legal and regulatory consequences. Negative public opinion could result from our actual or alleged conduct in any number of activities, including lending

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practices, corporate governance, regulatory compliance, securities compliance, mergers and acquisitions, and disclosure, from sharing or inadequate protection of customer information and from actions taken by government regulators and community organizations in response to that conduct. Negative public opinion could also result from adverse news or publicity that impairs the reputation of the financial services industry generally. Because we conduct most of our business under the “United” brand, negative public opinion about one business could affect our other businesses.

Although our common stock currently is traded on the Nasdaq, it has less liquidity than other stocks quoted on a national securities exchange.

Although our common stock is listed for trading on Nasdaq, the trading volume in our common stock is less than that of other, larger financial services companies. A public trading market having the desired characteristics of depth, liquidity and orderliness depends on the presence in the marketplace of willing buyers and sellers of our common stock at any given time. This presence depends on the individual decisions of investors and general economic and market conditions over which we have no control. Given the lower trading volume of our common stock, significant sales of our common stock, or the expectation of these sales, could cause our stock price to fall.

The trading volume in our common stock on Nasdaq has been relatively low when compared with larger companies listed on the Nasdaq or other stock exchanges. For 2020, our average daily trading volume was 515,640 shares. Although we have experienced increased liquidity in our stock, we cannot say with any certainty that a more active and liquid trading market for our common stock will continue to develop. Because of this, it may be more difficult for shareholders to sell a substantial number of shares for the same price at which shareholders could sell a smaller number of shares.

We cannot predict the effect, if any, that future sales of our common stock in the market, or the availability of shares of common stock for sale in the market, will have on the market price of our common stock. We can give no assurance that sales of substantial amounts of common stock in the market, or the potential for large amounts of sales in the market, would not cause the price of our common stock to decline or impair our future ability to raise capital through sales of our common stock.

Our stock price can be volatile.

Stock price volatility may make it more difficult for you to resell your common stock when you want and at prices you find attractive. Our stock price can fluctuate significantly in response to a variety of factors, some of which are unrelated to our financial performance, including, among other things:

•actual or anticipated variations in quarterly results of operations;

•recommendations by securities analysts;

•operating and stock price performance of other companies that investors deem comparable to us;

•news reports relating to trends, concerns and other issues in the financial services industry;

•perceptions in the marketplace regarding us and/or our competitors;

•new technology used, or services offered, by competitors;

•significant acquisitions or business combinations, strategic partnerships, joint ventures or capital commitments by or involving us or our competitors;

•failure to integrate acquisitions or realize anticipated benefits from acquisitions;

•changes in government regulations; or

•geopolitical conditions such as acts or threats of terrorism, military conflicts, the effects (or perceived effects) of pandemics and trade relations.

General market fluctuations, including real or anticipated changes in the strength of the local economy; industry factors and general economic and political conditions and events, such as economic slowdowns or recessions; interest rate changes, oil price volatility or credit loss trends could also cause our stock price to decrease regardless of our operating results.

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ITEM 1B.     UNRESOLVED STAFF COMMENTS.

None.

ITEM 2.    PROPERTIES.

Our executive offices are located at 125 Highway 515 East, Blairsville, Georgia and 2 West Washington Street, Suite 700, Greenville, South Carolina. We own our executive office in Blairsville, Georgia and lease our executive office in Greenville, South Carolina. We provide services or perform operational functions at 193 locations, of which 137 are owned and 56 are leased under operating leases. We believe the terms of the various leases are consistent with market standards and were arrived at through arm’s-length bargaining. We consider our properties to be suitable and adequate for operating our banking business. Notes 7 and 13 to our consolidated financial statements include additional information regarding investments in premises and equipment and leased properties.

ITEM 3.    LEGAL PROCEEDINGS.

In the ordinary course of operations, we are parties to various legal proceedings and periodic regulatory examinations and investigations. There are no material pending legal proceedings to which we or any of our properties are subject.

ITEM 4.    MINE SAFETY DISCLOSURES.

Not applicable.

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PART II

ITEM 5.    MARKET FOR UNITED’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES.

Stock. United’s common stock trades on the Nasdaq under the symbol “UCBI”. At January 31, 2021, there were 8,142 record shareholders of United’s common stock.

Dividends. Our Board declared annual cash dividends of $0.72 and $0.68 per share on our common stock in 2020 and 2019, respectively. We currently intend to continue to pay comparable quarterly cash dividends on our common stock, subject to approval by our Board, although we may elect not to pay dividends or to change the amount of such dividends. The payment of dividends is a decision of our Board based upon then-existing circumstances, including our rate of growth, profitability, financial condition, existing and anticipated capital requirements, the amount of funds legally available for the payment of cash dividends, regulatory constraints and such other factors as the Board determines relevant.

Additional information regarding dividends is included in this Report in Note 21 to our consolidated financial statements in Part II Item 8 Financial Statements and Supplementary Data, under the heading of “Supervision and Regulation” in Part I Item 1. Business and under the heading “Capital Resources and Dividends” in Part II, Item 7. MD&A.

Share Repurchases. We made no common stock repurchases during the fourth quarter of 2020. In November 2020, our Board re-authorized the existing common stock repurchase plan to allow the repurchase of up to $50 million of our common stock. The program is scheduled to expire on the earlier of the repurchase of our common stock having an aggregate purchase price of $50 million or December 31, 2021. Under the program, shares may be repurchased in open market transactions at prevailing market prices or in privately negotiated transactions, from time to time, or by other means in accordance with federal securities laws, and the program may be suspended or discontinued at any time without notice. The actual timing, number and value of shares repurchased under the program will be determined by management at its discretion and will depend on a number of factors, including the market price of our stock, general market and economic conditions, and applicable legal requirements. Repurchased shares will become treasury shares and may be utilized for general corporate purposes.

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Performance Graph. Set forth below is a line graph comparing the yearly percentage change in the cumulative total shareholder return on our common stock against the cumulative total return on the Nasdaq Stock Market (U.S. Companies) Index and the Nasdaq Bank Stocks Index for the five-year period commencing December 31, 2015 and ending on December 31, 2020.

	Cumulative Total Return*
	2015		2016		2017		2018		2019		2020
United Community Banks, Inc.	$	100	$	154	$	148	$	116	$	170	$	163
Nasdaq Stock Market (U.S.) Index	100		108		138		133		179		257
Nasdaq Bank Index	100		135		140		115		139		124

*     Assumes $100 invested on December 31, 2015 in our common stock and above noted indexes. Total return includes reinvestment of dividends at the closing stock price of the common stock on the dividend payment date and the closing values of stock and indexes as of December 31 of each year.

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UNITED COMMUNITY BANKS, INC.

Item 6. Selected Financial Data

For the Years Ended December 31,

(in thousands, except per share data)	2020			2019			2018			2017			2016
INCOME SUMMARY
Interest revenue	$	557,996		$	552,706		$	500,080		$	389,720		$	335,020
Interest expense	56,237			83,312			61,330			33,735			25,236
Net interest revenue	501,759			469,394			438,750			355,985			309,784
Provision for credit losses	80,434			13,150			9,500			3,800			(800)
Noninterest income	156,109			104,713			92,961			88,260			93,697
Total revenue	577,434			560,957			522,211			440,445			404,281
Expenses	367,989			322,245			306,285			267,611			241,289
Income before income tax expense	209,445			238,712			215,926			172,834			162,992
Income tax expense	45,356			52,991			49,815			105,013			62,336
Net income	164,089			185,721			166,111			67,821			100,656
Merger-related and other charges	7,018			7,357			7,345			14,662			8,122
Income tax benefit of merger-related and other charges	(1,340)			(1,695)			(1,494)			(3,745)			(3,074)
Impact of remeasurement of deferred tax asset resulting from 2017 Tax Cuts and Jobs Act	—			—			—			38,199			—
Impairment of deferred tax asset on cancelled non-qualified stock options	—			—			—			—			976
Release of disproportionate tax effects lodged in OCI	—			—			—			3,400			—
Net income - operating (1)*	$	169,767		$	191,383		$	171,962		$	120,337		$	106,680
PERFORMANCE MEASURES
Per common share:
Diluted net income - GAAP	$	1.91		$	2.31		$	2.07		$	0.92		$	1.40
Diluted net income - operating (1)*	1.98			2.38			2.14			1.63			1.48
Common stock cash dividends declared	0.72			0.68			0.58			0.38			0.30
Book value	21.90			20.53			18.24			16.67			15.06
Tangible book value (3)*	17.56			16.28			14.24			13.65			12.95
Key performance ratios:
Return on common equity - GAAP (2)	9.25		%	11.89		%	11.60		%	5.67		%	9.41		%
Return on common equity - operating (1)(2)*	9.58			12.25			12.01			10.07			9.98
Return on tangible common equity - operating (1)(2)(3)*	12.24			15.81			15.69			12.02			11.86
Return on assets - GAAP	1.04			1.46			1.35			0.62			1.00
Return on assets - operating (1)*	1.07			1.51			1.40			1.09			1.06
Dividend payout ratio - GAAP	37.70			29.44			28.02			41.30			21.43
Dividend payout ratio - operating (1)*	36.36			28.57			27.10			23.31			20.27
Net interest margin (fully taxable equivalent)	3.55			4.07			3.91			3.52			3.36
Efficiency ratio - GAAP	55.71			55.77			57.31			59.95			59.80
Efficiency ratio - operating (1)*	54.64			54.50			55.94			56.67			57.78
Equity to total assets	11.29			12.66			11.59			10.94			10.05
Tangible common equity to tangible assets (3)*	8.81			10.32			9.29			9.14			8.77
ASSET QUALITY
Nonperforming loans	$	61,599		$	35,341		$	23,778		$	23,658		$	21,539
Foreclosed properties	647			476			1,305			3,234			7,949
Total NPAs	62,246			35,817			25,083			26,892			29,488
ACL - loans	137,010			62,089			61,203			58,914			61,422
Net charge-offs	18,316			12,216			6,113			5,998			6,766
ACL - loans to loans	1.20		%	0.70		%	0.73		%	0.76		%	0.89		%
Net charge-offs to average loans	0.17			0.14			0.07			0.08			0.11
NPAs to loans and foreclosed properties	0.55			0.41			0.30			0.35			0.43
NPAs to total assets	0.35			0.28			0.20			0.23			0.28
AVERAGE BALANCES ($ in millions)
Loans	$	10,467		$	8,708		$	8,170		$	7,150		$	6,413
Investment securities	2,752			2,647			2,899			2,847			2,691
Earning assets	14,226			11,609			11,282			10,162			9,257
Total assets	15,467			12,687			12,284			11,015			10,054
Deposits	13,135			10,579			10,000			8,950			8,177
Shareholders’ equity	1,821			1,556			1,380			1,180			1,059
Common shares - basic (thousands)	83,184			79,700			79,662			73,247			71,910
Common shares - diluted (thousands)	83,248			79,708			79,671			73,259			71,915
AT PERIOD END ($ in millions)
Loans	$	11,371		$	8,813		$	8,383		$	7,736		$	6,921
Investment securities	3,645			2,559			2,903			2,937			2,762
Total assets	17,794			12,916			12,573			11,915			10,709
Deposits	15,232			10,897			10,535			9,808			8,638
Shareholders’ equity	2,008			1,636			1,458			1,303			1,076
Common shares outstanding (thousands)	86,675			79,014			79,234			77,580			70,899

(1) Excludes merger-related and other charges, which includes amortization of certain executive change of control benefits, 2019 executive retirement charges and termination of the Funded Plan, the 2017 impact of remeasurement of United’s DTAs following the passage of tax reform legislation, a 2017 release of disproportionate tax effects lodged in OCI, and a 2016 DTA impairment charge related to cancelled non-qualified stock options. (2) Net income less preferred stock dividends, divided by average realized common equity, which excludes AOCI.

(3) Excludes effect of acquisition related intangibles and associated amortization.

* Represents a non-GAAP measure. For more information and a corresponding reconciliation of non-GAAP to related GAAP financial measures, see “GAAP Reconciliation and Explanation” and “Table 1 - Non-GAAP Performance Measures Reconciliation - Annual” in the MD&A section of this Report.

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UNITED COMMUNITY BANKS, INC.

Item 6. Selected Financial Data, continued

	2020												2019
(in thousands, except per share data)	Fourth Quarter			Third Quarter			Second Quarter			First Quarter			Fourth Quarter			Third Quarter			Second Quarter			First Quarter
INCOME SUMMARY
Interest revenue	$	156,071		$	141,773		$	123,605		$	136,547		$	136,419		$	140,615		$	139,156		$	136,516
Interest expense	10,676			13,319			14,301			17,941			19,781			21,277			21,372			20,882
Net interest revenue	145,395			128,454			109,304			118,606			116,638			119,338			117,784			115,634
Provision for credit losses	2,907			21,793			33,543			22,191			3,500			3,100			3,250			3,300
Noninterest income	41,375			48,682			40,238			25,814			30,183			29,031			24,531			20,968
Total revenue	183,863			155,343			115,999			122,229			143,321			145,269			139,065			133,302
Expenses	106,490			95,981			83,980			81,538			81,424			82,924			81,813			76,084
Income before income tax expense	77,373			59,362			32,019			40,691			61,897			62,345			57,252			57,218
Income tax expense	17,871			11,755			6,923			8,807			12,885			13,983			13,167			12,956
Net income	59,502			47,607			25,096			31,884			49,012			48,362			44,085			44,262
Merger-related and other charges	2,452			3,361			397			808			(74)			2,605			4,087			739
Income tax benefit of merger-related and other charges	(552)			(519)			(87)			(182)			17			(600)			(940)			(172)
Net income - operating (1)*	$	61,402		$	50,449		$	25,406		$	32,510		$	48,955		$	50,367		$	47,232		$	44,829
PERFORMANCE MEASURES
Per common share:
Diluted net income (loss) - GAAP	$	0.66		$	0.52		$	0.32		$	0.40		$	0.61		$	0.60		$	0.55		$	0.55
Diluted net income - operating (1)*	0.68			0.55			0.32			0.41			0.61			0.63			0.59			0.56
Cash dividends declared	0.18			0.18			0.18			0.18			0.18			0.17			0.17			0.16
Book value	21.90			21.45			21.22			20.80			20.53			20.16			19.65			18.93
Tangible book value (3)*	17.56			17.09			16.95			16.52			16.28			15.90			15.38			14.93
Key performance ratios:
Return on common equity - GAAP (2)(4)	12.36		%	10.06		%	6.17		%	7.85		%	12.07		%	12.16		%	11.45		%	11.85		%
Return on common equity - operating (1)(2)(4)*	12.77			10.69			6.25			8.01			12.06			12.67			12.27			12.00
Return on tangible common equity - operating (1)(2)(3)(4)*	16.23			13.52			8.09			10.57			15.49			16.38			15.88			15.46
Return on assets - GAAP (4)	1.30			1.07			0.71			0.99			1.50			1.51			1.40			1.44
Return on assets - operating (1)(4)*	1.34			1.14			0.72			1.01			1.50			1.58			1.50			1.45
Dividend payout ratio - GAAP	27.27			34.62			56.25			45.00			29.51			28.33			30.91			29.09
Dividend payout ratio - operating (1)*	26.47			32.73			56.25			43.90			29.51			26.98			28.81			28.57
Net interest margin (fully taxable equivalent) (4)	3.55			3.27			3.42			4.07			3.93			4.12			4.12			4.10
Efficiency ratio - GAAP	56.73			54.14			55.86			56.15			54.87			55.64			57.28			55.32
Efficiency ratio - operating (1)*	55.42			52.24			55.59			55.59			54.92			53.90			54.42			54.78
Equity to total assets	11.29			11.47			11.81			12.54			12.66			12.53			12.25			12.06
Tangible common equity to tangible assets (3)*	8.81			8.89			9.12			10.22			10.32			10.16			9.86			9.76
ASSET QUALITY
Nonperforming loans	$	61,599		$	49,084		$	48,021		$	36,208		$	35,341		$	30,832		$	26,597		$	23,624
Foreclosed properties	647			953			477			475			476			102			75			1,127
NPAs	62,246			50,037			48,498			36,683			35,817			30,934			26,672			24,751
ACL - loans	137,010			134,256			103,669			81,905			62,089			62,514			62,204			61,642
Net charge-offs	1,515			2,538			6,149			8,114			3,925			2,723			2,438			3,130
ACL - loans to loans	1.20		%	1.14		%	1.02		%	0.92		%	0.70		%	0.70		%	0.70		%	0.73		%
Net charge-offs to average loans (4)	0.05			0.09			0.25			0.37			0.18			0.12			0.11			0.15
NPAs to loans and foreclosed properties	0.55			0.42			0.48			0.41			0.41			0.35			0.30			0.29
NPAs to total assets	0.35			0.29			0.32			0.28			0.28			0.24			0.21			0.20
AVERAGE BALANCES ($ in millions)
Loans	$	11,595		$	11,644		$	9,773		$	8,829		$	8,890		$	8,836		$	8,670		$	8,430
Investment securities	3,326			2,750			2,408			2,520			2,486			2,550			2,674			2,883
Earning assets	16,394			15,715			12,958			11,798			11,832			11,568			11,534			11,498
Total assets	17,698			17,013			14,173			12,944			12,946			12,681			12,608			12,509
Deposits	15,057			14,460			12,071			10,915			10,924			10,531			10,493			10,361
Shareholders’ equity	1,994			1,948			1,686			1,653			1,623			1,588			1,531			1,478
Common shares - basic (thousands)	87,258			87,129			78,920			79,340			79,659			79,663			79,673			79,807
Common shares - diluted (thousands)	87,333			87,205			78,924			79,446			79,669			79,667			79,678			79,813
AT PERIOD END ($ in millions)
Loans	$	11,371		$	11,799		$	10,133		$	8,935		$	8,813		$	8,903		$	8,838		$	8,493
Investment securities	3,645			3,089			2,432			2,540			2,559			2,515			2,620			2,720
Total assets	17,794			17,153			15,005			13,086			12,916			12,809			12,779			12,506
Deposits	15,232			14,603			12,702			11,035			10,897			10,757			10,591			10,534
Shareholders’ equity	2,008			1,967			1,772			1,641			1,636			1,605			1,566			1,508
Common shares outstanding (thousands)	86,675			86,611			78,335			78,284			79,014			78,974			79,075			79,035

(1) Excludes merger-related and other charges which includes termination of the Funded Plan in the third quarter of 2019, executive retirement charges in the second quarter of 2019, and amortization of certain executive change of control benefits. (2) Net income less preferred stock dividends, divided by average realized common equity, which excludes AOCI. (3) Excludes effect of acquisition related intangibles and associated amortization. (4) Annualized.

* Represents a non-GAAP measure. For more information and a corresponding reconciliation of non-GAAP to related GAAP financial measures, see “GAAP Reconciliation and Explanation” and “Table 1 - Non-GAAP Performance Measures Reconciliation - Quarterly” in the MD&A section of this Report.

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ITEM 7.    MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS.

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with the consolidated financial statements and accompanying notes. The discussion of the components of our results of operations focuses on financial trends and events occurring between 2019 and 2020.

For additional information related to financial trends between 2019 and 2018 please see the information under the caption “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our Annual Report on Form 10-K for the fiscal year ended December 31, 2019, filed with the SEC on February 27, 2020, which information under that caption is incorporated herein by this reference. Historical results of operations are not necessarily predictive of future results.

GAAP Reconciliation and Explanation

This Report contains financial information determined by methods other than in accordance with GAAP. Such non-GAAP financial information includes the following measures: “tangible book value per common share” and “tangible common equity to tangible assets.” In addition, management presents non-GAAP operating performance measures, which exclude merger-related and other items that are not part of our core business operations. Operating performance measures include “expenses – operating,” “net income – operating,” “diluted net income per common share – operating,” “return on common equity – operating,” “return on tangible common equity – operating,” “return on assets – operating,” “dividend payout ratio – operating” and “efficiency ratio – operating.” Management has developed internal processes and procedures to accurately capture and account for merger-related and other charges and those charges are reviewed with the audit committee of our Board each quarter. Management uses these non-GAAP measures because it believes they may provide useful supplemental information for evaluating our operations and performance over periods of time, as well as in managing and evaluating our business and in discussions about our operations and performance. Management believes these non-GAAP measures may also provide users of our financial information with a meaningful measure for assessing our financial results and credit trends, as well as a comparison to financial results for prior periods. These non-GAAP measures should be viewed in addition to, and not as an alternative to or substitute for, measures determined in accordance with GAAP and are not necessarily comparable to other similarly titled measures used by other companies. To the extent applicable, reconciliations of these non-GAAP measures to the most directly comparable measures as reported in accordance with GAAP are included in Table 1 of MD&A.

Overview

We offer a wide array of commercial and consumer banking services and investment advisory services through a 160 branch network throughout Georgia, South Carolina, North Carolina, Tennessee and Florida. We have grown organically as well as through strategic acquisitions. At December 31, 2020, we had consolidated total assets of $17.8 billion and 2,399 full-time equivalent employees.

Recent Developments

Mergers and Acquisitions

In the past two years, we have continued to expand through acquisitions as follows: 

•On July 1, 2020, we acquired Three Shores including its wholly-owned banking subsidiary, Seaside, headquartered in Orlando, Florida. Seaside was a premier commercial lender with a strong wealth management platform and operated a 14-branch network located in key Florida metropolitan markets. We acquired $2.13 billion of assets and assumed $1.99 billion of liabilities in the acquisition.

•On May 1, 2019, we acquired FMBT, which operated four branches in the Athens-Clarke County, Georgia MSA. We acquired $245 million of assets and assumed $213 million of liabilities in the acquisition.

The acquired entities’ results are included in our consolidated results beginning on the respective acquisition dates. We will continue to evaluate potential transactions as opportunities arise.

COVID-19

During 2020, the impact of the COVID-19 pandemic and the resulting preventative and protective government issued mandates materially restricted the level of economic activity in our markets. These mandates included restrictions on travel and business operations, stay-at-home advisories and requirements and temporary closures of businesses deemed to be non-essential. In turn,

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unemployment dramatically increased in the United States and negatively impacted many businesses, and thereby threatened the repayment ability of some of our borrowers.

To address the economic impact in the United States, the CARES Act was enacted in March of 2020. The CARES Act and related banking interagency guidance included a number of provisions that affected us, including accounting relief for TDRs and regulatory capital relief for the effect of CECL implementation. The CARES Act also established the PPP through the SBA, which allowed us to lend money to small businesses to maintain employee payrolls and pay other qualified expenses during the crisis with guarantees from the SBA. Under this program, loan amounts may be forgiven if the proceeds are used in accordance with the requirements of the program. The Federal Reserve also took additional steps to bolster the economy by, among other things, reducing the federal funds rate and the discount-window borrowing rate to near zero.

In response to the pandemic, we implemented protocols and processes to help protect our employees, customers and communities. These measures included temporarily operating our branches under a drive-through model, appointment-only lobby service, taking measures to disperse critical operations teams to separate locations and, when possible, having employees work from home. We offered assistance to our customers affected by the economic impacts of the COVID-19 pandemic, including payment deferrals, waiving certain fees, suspending property foreclosures and participating in the CARES Act and PPP.

In an effort to ensure our capital and liquidity resources remain strong throughout the rapidly changing economic conditions, we issued $100 million of non-cumulative perpetual preferred stock, issued $100 million of senior debentures and temporarily suspended common stock repurchases. Given the unprecedented uncertainty and rapidly evolving economic effects and social impacts of the COVID-19 pandemic, the future direct and indirect impact on our business, results of operations and financial condition are highly uncertain. Should current economic conditions persist or continue to deteriorate, we expect that this macroeconomic environment will have a continued adverse effect on our business and results of operations, which could include, but not be limited to: decreased demand for our products and services, protracted periods of lower interest rates, increased noninterest expenses, operational losses and increased credit losses due to deterioration in the financial condition of our consumer and commercial borrowers, including declining asset and collateral values, which may continue to increase our provision for credit losses and net charge-offs.

See Part I, Item 1. “Business” of this Report for more information related to the impact of COVID-19.

LIBOR and Other Benchmark Rates

As previously disclosed, to facilitate an orderly transition from Interbank Offered Rates (“IBORs”) and other benchmark rates to alternative reference rates (“ARRs”), we have established an enterprise-wide program to identify, assess and monitor risks associated with the expected discontinuation or unavailability of benchmarks, including LIBOR. As part of this program, we continue to identify, assess and monitor risks associated with the expected discontinuation or unavailability of LIBOR and other benchmarks, and evaluate and address documentation and contractual mechanics of outstanding IBOR-based products and contracts that mature after 2021 and new and potential future ARR-based products and contracts to achieve operational readiness. This program includes active involvement of senior management and regular reports to the Enterprise Risk Committee. The program is structured to address the industry and regulatory engagement, client and financial contract changes, internal and external communications, technology and operations modifications, introduction of new products, migration of existing clients, and program strategy and governance. As the markets for ARRs continue to grow, we continue to monitor the development and usage of ARRs, including SOFR. Additionally, any prolonged economic and market disruptions resulting from COVID-19 may have an adverse impact on the market and industry transition to ARRs, including the readiness of other market participants and third-party vendors, and our engagement with impacted clients and their operational readiness to transition to ARRs. For more information on the expected replacement of LIBOR and other benchmark rates, see Part I, Item 1A. Risk Factors – Market Risks of this Report.

Results of Operations

We reported net income of $164 million, or $1.91 per diluted share, in 2020, down from $186 million, or $2.31 per diluted share, in 2019. The decrease reflects the combined impact of a number of factors including the global COVID-19 pandemic and our implementation of CECL, both of which resulted in a higher provision for credit losses, and the impact of falling interest rates on our net interest margin.

We reported net income - operating (non-GAAP) of $170 million during 2020 compared to $191 million in 2019. For 2020, net income - operating (non-GAAP) excludes merger-related and branch closure charges, which net of tax, totaled $5.68 million. For 2019, net income - operating (non-GAAP) excludes merger-related, pension termination of the Funded Plan, executive retirement charges and branch closure charges, which net of tax, totaled $5.66 million.

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Net interest revenue increased to $502 million for 2020, compared to $469 million for 2019, while the net interest margin decreased 52 basis points to 3.55% in 2020 from 4.07% in 2019. The increase in net interest revenue was primarily attributable to organic loan growth, loans acquired from Three Shores and PPP loans originated during the year. The net interest margin decreased primarily as a result of the impact of historically low interest rates on our asset sensitive balance sheet and a change in the composition of interest-earning assets due to an increase in on-balance sheet liquidity with limited opportunity to invest at reasonable rates.

The provision for credit losses was $80.4 million for 2020 under CECL, compared to $13.2 million for 2019 under the Incurred Loss method. Net charge-offs for 2020 were $18.3 million, compared to $12.2 million for 2019.

Noninterest income, which was up $51.4 million, or 49%, from 2019, was primarily driven by an increase in mortgage loan gains and related fees. The low rate environment spurred an increase in both purchase and refinance volume and combined with widening gain on sale margins to drive the increase in fees. Income from customer derivatives for 2020 also increased compared to 2019 due to increased demand for fixed rates during the current low rate environment. We also saw an increase in wealth management fees, which was driven by the addition of Three Shores’ wealth management business.

Noninterest expenses for 2020 of $368 million were up $45.7 million, or 14%, from 2019. Salaries and employee benefits expense was the largest contributor to the increase, up $27.6 million in 2020, due to several factors including increased mortgage commissions and the addition of Three Shores employees for the second half of 2020. During 2020, we formed a private foundation, United Community Bank Foundation (“Foundation”), to which we contributed $10.0 million. The Foundation was established to facilitate a more strategic approach to our charitable giving that will enhance how we give back to the communities in our footprint.

Critical Accounting Policies 

Our accounting and reporting policies are in accordance with GAAP and conform to general practices within the banking industry. Application of these principles requires management to make estimates, assumptions or judgments that affect the amounts reported in the financial statements and the accompanying notes. These estimates are based on information available as of the date of the financial statements; accordingly, as this information changes, the financial statements could reflect different estimates or judgments.

Estimates, assumptions or judgments are necessary when assets and liabilities are required to be recorded at fair value, when a decline in the value of an asset not carried on the financial statements at fair value warrants an impairment write-down or valuation reserve to be established, or when an asset or liability needs to be recorded contingent upon future events. Carrying assets and liabilities at fair value results in more financial statement volatility. The fair values and the information used to record the valuation adjustments for certain assets and liabilities are based either on quoted market prices or are provided by other third-party sources, when available. When third-party information is not available, valuation adjustments are estimated in good faith by management primarily through the use of internal cash flow modeling techniques. 

Certain policies inherently have a greater reliance on the use of estimates, assumptions or judgments and as such, have a greater possibility of producing results that could be materially different than originally reported. We have identified the determination of our ACL and fair value measurements to be the accounting areas that require the most subjective or complex judgments, estimates and assumptions, and where changes in those judgments, estimates and assumptions (based on new or additional information, changes in the economic climate and/or market interest rates, etc.) could have a significant effect on our financial statements. Therefore, we consider these policies, discussed below, to be critical accounting policies and discuss them directly with the Audit Committee of our Board.

Our most significant accounting policies are presented in Note 1 to the accompanying consolidated financial statements. These policies, along with the disclosures presented in the other notes to the consolidated financial statements and in this MD&A, provide information on how significant assets and liabilities are valued in the financial statements and how those values are determined. 

Allowance for Credit Losses 

Since the implementation of CECL on January 1, 2020, the ACL represents management’s current estimate of credit losses for the remaining estimated life of financial instruments, with particular applicability on our balance sheet to loans and unfunded loan commitments. Estimating the amount of the ACL requires significant judgment and the use of estimates related to historical experience, current conditions, reasonable and supportable forecasts, and the value of collateral on collateral-dependent loans. The loan portfolio also represents the largest asset type on our consolidated balance sheet. Loan losses are charged against the allowance, while recoveries of amounts previously charged off are credited to the allowance. A provision for credit losses is charged to operations based on management’s periodic evaluation of the factors previously mentioned, as well as other pertinent factors.

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There are many factors affecting the ACL; some are quantitative while others require qualitative judgment. Although management believes its process for determining the allowance adequately considers all the potential factors that could potentially result in credit losses, the process includes subjective elements and is susceptible to significant change. To the extent actual outcomes differ from management estimates, additional provision for credit losses could be required that could adversely affect our earnings or financial position in future periods.

Additional information on the loan portfolio and ACL can be found in the sections of MD&A titled “Asset Quality and Risk Elements” and “Nonperforming Assets.” Note 1 to the consolidated financial statements includes additional information on accounting policies related to the ACL.

Fair Value Measurements

At December 31, 2020, the percentage of our total assets measured at fair value on a recurring basis was 19%. See Note 14 “Fair Value Measurements” in the consolidated financial statements herein for additional disclosures regarding the fair value of our assets and liabilities, including a description of the fair value hierarchy.

Fair value is defined by GAAP “as the price that would be received to sell an asset in an orderly transaction between market participants at the measurement date.” GAAP further defines an “orderly transaction” as “a transaction that assumes exposure to the market for a period prior to the measurement date to allow for marketing activities that are usual and customary for transactions involving such assets. It is not a forced transaction (for example, a forced liquidation or distress sale).”

The fair values for available-for-sale and held-to-maturity securities are generally based upon quoted market prices or observable market prices for similar instruments. Management utilizes a third-party pricing service to assist with determining the fair value of our securities portfolio. The pricing service uses observable inputs when available including benchmark yields, reported trades, broker-dealer quotes, issuer spreads, benchmark securities, bids and offers. These values take into account recent market activity as well as other market observable data such as interest rate, spread and prepayment information. When market observable data is not available, which generally occurs due to the lack of liquidity for certain securities, the valuation of the security is subjective and may involve substantial judgment by management.

We have elected the fair value option for our portfolio of mortgage loans held for sale in order to reduce certain timing differences and better match changes in fair values of the loans with changes in the value of derivative instruments used to economically hedge them. The fair value of mortgage loans held for sale is determined using quoted prices for a similar asset, adjusted for specific attributes of that loan, and as such is categorized as level 2. 

We use derivatives primarily to manage our interest rate risk or to help our customers manage their interest rate risk. The fair values of derivative financial instruments are determined based on quoted market prices, dealer quotes and internal pricing models that are primarily sensitive to market observable data. However, we do evaluate the level of these observable inputs and there are some instances where we have determined that the inputs are not directly observable.

We recognize a servicing rights asset upon the sale of residential mortgage loans and SBA/USDA loans sold with servicing retained. Servicing right assets are carried at fair value. Given the nature of these SBA/USDA and residential mortgage servicing assets, the key valuation inputs are unobservable and we disclose them as a level 3 item.

As of December 31, 2020, we had level 3 assets, those valued using unobservable inputs, of $35.2 million. The total level 3 assets consisted of $16.2 million in residential mortgage servicing rights, $10.8 million in derivative assets, $6.46 million in servicing rights for SBA/USDA loans and $1.75 million of available-for-sale debt securities. We also had level 3 derivative liabilities totaling $2.41 million.

From time to time, we may record assets at fair value on a nonrecurring basis, usually as a result of the write-downs of individual assets due to impairment. In particular, nonaccrual loans may be carried at the fair value of collateral if repayment is expected solely from the collateral. Although management believes its processes for determining the fair value of collateral-dependent loans are appropriate, the processes require management judgment and assumptions and the value of such assets at the time they are revalued or divested may be significantly different from management’s determination of fair value.

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UNITED COMMUNITY BANKS, INC.

Table 1 - Non-GAAP Performance Measures Reconciliation - Annual

Selected Financial Information

	For the Twelve Months Ended December 31,
(in thousands, except per share data)	2020			2019			2018			2017			2016
Expense reconciliation
Expenses (GAAP)	$	367,989		$	322,245		$	306,285		$	267,611		$	241,289
Merger-related and other charges	(7,018)			(7,357)			(7,345)			(14,662)			(8,122)
Expenses - operating	$	360,971		$	314,888		$	298,940		$	252,949		$	233,167
Net income reconciliation
Net income (GAAP)	$	164,089		$	185,721		$	166,111		$	67,821		$	100,656
Merger-related and other charges	7,018			7,357			7,345			14,662			8,122
Income tax benefit of merger-related and other charges	(1,340)			(1,695)			(1,494)			(3,745)			(3,074)
Impact of tax reform on remeasurement of deferred tax asset	—			—			—			38,199			—
Impairment of deferred tax asset on canceled non-qualified stock options	—			—			—			—			976
Release of disproportionate tax effects lodged in OCI	—			—			—			3,400			—
Net income - operating	$	169,767		$	191,383		$	171,962		$	120,337		$	106,680
Diluted income per common share reconciliation
Diluted income per common share (GAAP)	$	1.91		$	2.31		$	2.07		$	0.92		$	1.40
Merger-related and other charges	0.07			0.07			0.07			0.14			0.07
Impact of tax reform on remeasurement of deferred tax asset	—			—			—			0.52			—
Impairment of deferred tax asset on canceled non-qualified stock options	—			—			—			—			0.01
Release of disproportionate tax effects lodged in OCI	—			—			—			0.05			—
Diluted income per common share - operating	$	1.98		$	2.38		$	2.14		$	1.63		$	1.48
Book value per common share reconciliation
Book value per common share (GAAP)	$	21.90		$	20.53		$	18.24		$	16.67		$	15.06
Effect of goodwill and other intangibles	(4.34)			(4.25)			(4.00)			(3.02)			(2.11)
Tangible book value per common share	$	17.56		$	16.28		$	14.24		$	13.65		$	12.95
Return on tangible common equity reconciliation
Return on common equity (GAAP)	9.25		%	11.89		%	11.60		%	5.67		%	9.41		%
Merger-related and other charges	0.33			0.36			0.41			0.92			0.48
Impact of tax reform on remeasurement of deferred tax asset	—			—			—			3.20			—
Impairment of deferred tax asset on canceled non-qualified stock options	—			—			—			—			0.09
Release of disproportionate tax effects lodged in OCI	—			—			—			0.28			—
Return on common equity - operating	9.58			12.25			12.01			10.07			9.98
Effect of goodwill and other intangibles	2.66			3.56			3.68			1.95			1.88
Return on tangible common equity - operating	12.24		%	15.81		%	15.69		%	12.02		%	11.86		%
Return on assets reconciliation
Return on assets (GAAP)	1.04		%	1.46		%	1.35		%	0.62		%	1.00		%
Merger-related and other charges	0.03			0.05			0.05			0.09			0.05
Impact of tax reform on remeasurement of deferred tax asset	—			—			—			0.35			—
Impairment of deferred tax asset on canceled non-qualified stock options	—			—			—			—			0.01
Release of disproportionate tax effects lodged in OCI	—			—			—			0.03			—
Return on assets - operating	1.07		%	1.51		%	1.40		%	1.09		%	1.06		%
Dividend payout ratio reconciliation
Dividend payout ratio (GAAP)	37.70		%	29.44		%	28.02		%	41.30		%	21.43		%
Merger-related and other charges	(1.34)			(0.87)			(0.92)			(5.65)			(1.02)
Impact of tax reform on remeasurement of deferred tax asset	—			—			—			(11.61)			—
Impairment of deferred tax asset on canceled non-qualified stock options	—			—			—			—			(0.14)
Release of disproportionate tax effects lodged in OCI	—			—			—			(0.73)			—
Dividend payout ratio - operating	36.36		%	28.57		%	27.10		%	23.31		%	20.27		%
Efficiency ratio reconciliation
Efficiency ratio (GAAP)	55.71		%	55.77		%	57.31		%	59.95		%	59.80		%
Merger-related and other charges	(1.07)			(1.27)			(1.37)			(3.28)			(2.02)
Efficiency ratio - operating	54.64		%	54.50		%	55.94		%	56.67		%	57.78		%
Tangible common equity to tangible assets reconciliation
Equity to assets (GAAP)	11.29		%	12.66		%	11.59		%	10.94		%	10.05		%
Effect of goodwill and other intangibles	(1.94)			(2.34)			(2.30)			(1.80)			(1.28)
Effect of preferred equity	(0.54)			—			—			—			—
Tangible common equity to tangible assets	8.81		%	10.32		%	9.29		%	9.14		%	8.77		%

43

UNITED COMMUNITY BANKS, INC.

Table 1 (Continued) - Non-GAAP Performance Measures Reconciliation - Quarterly

Selected Financial Information

	2020												2019
(in thousands, except per share data)	Fourth Quarter			Third Quarter			Second Quarter			First Quarter			Fourth Quarter			Third Quarter			Second Quarter			First Quarter
Expense reconciliation
Expenses (GAAP)	$	106,490		$	95,981		$	83,980		$	81,538		$	81,424		$	82,924		$	81,813		$	76,084
Merger-related and other charges	(2,452)			(3,361)			(397)			(808)			74			(2,605)			(4,087)			(739)
Expenses - operating	$	104,038		$	92,620		$	83,583		$	80,730		$	81,498		$	80,319		$	77,726		$	75,345
Net income reconciliation
Net income (GAAP)	$	59,502		$	47,607		$	25,096		$	31,884		$	49,012		$	48,362		$	44,085		$	44,262
Merger-related and other charges	2,452			3,361			397			808			(74)			2,605			4,087			739
Income tax benefit of merger-related and other charges	(552)			(519)			(87)			(182)			17			(600)			(940)			(172)
Net income - operating	$	61,402		$	50,449		$	25,406		$	32,510		$	48,955		$	50,367		$	47,232		$	44,829
Diluted income per common share reconciliation
Diluted income per common share (GAAP)	$	0.66		$	0.52		$	0.32		$	0.40		$	0.61		$	0.60		$	0.55		$	0.55
Merger-related and other charges	0.02			0.03			—			0.01			—			0.03			0.04			0.01
Diluted income per common share - operating	$	0.68		$	0.55		$	0.32		$	0.41		$	0.61		$	0.63		$	0.59		$	0.56
Book value per common share reconciliation
Book value per common share (GAAP)	$	21.90		$	21.45		$	21.22		$	20.80		$	20.53		$	20.16		$	19.65		$	18.93
Effect of goodwill and other intangibles	(4.34)			(4.36)			(4.27)			(4.28)			(4.25)			(4.26)			(4.27)			(4.00)
Tangible book value per common share	$	17.56		$	17.09		$	16.95		$	16.52		$	16.28		$	15.90		$	15.38		$	14.93
Return on tangible common equity reconciliation
Return on common equity (GAAP)	12.36		%	10.06		%	6.17		%	7.85		%	12.07		%	12.16		%	11.45		%	11.85		%
Merger-related and other charges	0.41			0.63			0.08			0.16			(0.01)			0.51			0.82			0.15
Return on common equity - operating	12.77			10.69			6.25			8.01			12.06			12.67			12.27			12.00
Effect of goodwill and other intangibles	3.46			2.83			1.84			2.56			3.43			3.71			3.61			3.46
Return on tangible common equity - operating	16.23		%	13.52		%	8.09		%	10.57		%	15.49		%	16.38		%	15.88		%	15.46		%
Return on assets reconciliation
Return on assets (GAAP)	1.30		%	1.07		%	0.71		%	0.99		%	1.50		%	1.51		%	1.40		%	1.44		%
Merger-related and other charges	0.04			0.07			0.01			0.02			—			0.07			0.10			0.01
Return on assets - operating	1.34		%	1.14		%	0.72		%	1.01		%	1.50		%	1.58		%	1.50		%	1.45		%
Dividend payout ratio reconciliation
Dividend payout ratio (GAAP)	27.27		%	34.62		%	56.25		%	45.00		%	29.51		%	28.33		%	30.91		%	29.09		%
Merger-related and other charges	(0.80)			(1.89)			—			(1.10)			—			(1.35)			(2.10)			(0.52)
Dividend payout ratio - operating	26.47		%	32.73		%	56.25		%	43.90		%	29.51		%	26.98		%	28.81		%	28.57		%
Efficiency ratio reconciliation
Efficiency ratio (GAAP)	56.73		%	54.14		%	55.86		%	56.15		%	54.87		%	55.64		%	57.28		%	55.32		%
Merger-related and other charges	(1.31)			(1.90)			(0.27)			(0.56)			0.05			(1.74)			(2.86)			(0.54)
Efficiency ratio - operating	55.42		%	52.24		%	55.59		%	55.59		%	54.92		%	53.90		%	54.42		%	54.78		%
Tangible common equity to tangible assets reconciliation
Equity to total assets (GAAP)	11.29		%	11.47		%	11.81		%	12.54		%	12.66		%	12.53		%	12.25		%	12.06		%
Effect of goodwill and other intangibles	(1.94)			(2.02)			(2.05)			(2.32)			(2.34)			(2.37)			(2.39)			(2.30)
Effect of preferred equity	(0.54)			(0.56)			(0.64)			—			—			—			—			—
Tangible common equity to tangible assets	8.81		%	8.89		%	9.12		%	10.22		%	10.32		%	10.16		%	9.86		%	9.76		%

44

Net Interest Revenue

Net interest revenue, which is the difference between the interest earned on assets and the interest paid on deposits and borrowed funds, is the single largest component of revenue. Management seeks to optimize this revenue while balancing interest rate, credit, and liquidity risks.

The banking industry uses two key ratios to measure relative profitability of net interest revenue, which are the net interest spread and the net interest margin. The net interest spread measures the difference between the average yield on interest-earning assets and the average rate paid on interest-bearing liabilities. The net interest spread eliminates the effect of noninterest-earning assets as well as noninterest-bearing deposits and other noninterest-bearing funding sources and gives a direct perspective on the effect of market interest rate movements. The net interest margin is an indication of the profitability of a company’s balance sheet and is defined as net interest revenue as a percentage of total average interest-earning assets, which includes the positive effect of funding a portion of interest-earning assets with noninterest-bearing deposits and shareholders’ equity.

Net interest revenue for 2020 was $502 million, compared to $469 million for 2019. As set forth in the following table, FTE net interest revenue totaled $505 million in 2020, an increase of $33.2 million, or 7%, from 2019. The net interest spread was 3.31% and 3.68% for 2020 and 2019, respectively, while the net interest margin was 3.55% and 4.07%, respectively. The following table also indicates the relationship between interest revenue and expense and the average amounts of assets and liabilities for the years ended December 31, 2020 and 2019.

Average interest-earning assets for 2020 increased $2.62 billion, or 23%, from 2019, which was primarily driven by the increase in loans and interest-bearing deposits in banks. Average loans increased $1.76 billion, or 20%, from 2019, due to the addition of Three Shores’ loan portfolio totaling $1.44 billion at acquisition, PPP loans originated during the year, and organic growth. During 2020, we originated $1.12 billion of PPP loans and had $646 million of these loans outstanding at December 31, 2020. The reduction in the amount outstanding reflects repayment and loan forgiveness, most of which occurred during the fourth quarter of 2020. These increases were partially offset by the sale of the indirect auto loan portfolio on December 31, 2019. PPP loans also contributed to the increase in our interest-bearing deposits in banks as a result of a significant amount of PPP loan proceeds remaining in customer deposit accounts through the end of the year. In addition, average securities increased 4% from 2019, which reflects securities acquired from Three Shores and our decision to purchase additional securities in order to deploy excess liquidity.

Average interest-bearing liabilities increased $1.23 billion, or 16%, in 2020 from the prior year, which reflects an increase in interest-bearing customer deposits, partially offset by a reduction in wholesale borrowings. The increase in interest-bearing customer deposits was mostly attributable to deposits assumed in the acquisition of Three Shores, PPP loan proceeds remaining in customer deposit accounts, and organic growth of our customer deposit base. As we did in 2019, during 2020 we continued to reduce our use of FHLB advances, short-term borrowings, and brokered deposits, which drove the decrease in average wholesale borrowings. These decreases were offset by an increase in long-term debt resulting from our issuance of $100 million of senior debentures and our assumption of $15.0 million of subordinated debentures from Three Shores.

The increase in net interest revenue for 2020 compared to 2019 was primarily attributable to the loan growth discussed above, but was partially offset by the impact of falling interest rates. The forgiveness of PPP loans also provided for accelerated accretion of deferred origination fees and costs, which contributed $29.1 million to net interest revenue during 2020. In addition, interest expense related to average interest-bearing liabilities decreased $27.1 million compared to 2019 due to the low rate environment, a more favorable deposit mix and the reduction of average wholesale borrowings. In response to falling interest rates in early 2020, management began to lower discretionary deposit rates to offset the impact of declining loan yields.

The decreases in net interest spread and net interest margin are mostly a result of the impact of historically low interest rates on our asset sensitive balance sheet. During 2020, loan yields decreased at a rate faster than we could lower deposit rates. Since December 31, 2019, the FOMC lowered interest rates 150 basis points, which occurred during the first quarter of 2020 as a result of the COVID-19 pandemic. PPP loans increased the balance of interest-earning assets; however, the low yield on these loans exerted negative pressure on the net interest rate margin, partially offsetting the positive impact of the accelerated accretion of PPP fees as these loans were forgiven and repaid. Mitigating the decrease in net interest margin, our average noninterest-bearing deposits increased $1.21 billion from 2019 to 2020, which more than provided for our 2020 funding needs, resulting in a surplus liquidity position with limited investment opportunities to deploy the funds.

45

The following table shows the relationship between interest revenue and interest expense and the average balances of interest-earning assets and interest-bearing liabilities. 

Table 2 - Average Consolidated Balance Sheets and Net Interest Margin Analysis

For the Years Ended December 31,

(in thousands, FTE)

	2020						2019						2018
	Average Balance		Interest		Avg. Rate		Average Balance		Interest		Avg. Rate		Average Balance		Interest		Avg. Rate
Assets:
Interest-earning assets:
Loans, net of unearned income (FTE) (1)(2)	$	10,466,653	$	492,223	4.70	%	$	8,708,035	$	475,803	5.46	%	$	8,170,143	$	420,001	5.14	%
Taxable securities (3)	2,532,750		55,031		2.17		2,475,102		69,920		2.82		2,745,715		73,496		2.68
Tax-exempt securities (FTE) (1)(3)	219,668		9,458		4.31		171,549		6,130		3.57		152,855		5,641		3.69
Federal funds sold and other interest-earning assets	1,007,059		4,753		0.47		254,370		3,499		1.38		213,137		2,968		1.39
Total interest-earning assets (FTE)	14,226,130		561,465		3.95		11,609,056		555,352		4.78		11,281,850		502,106		4.45
Noninterest-earning assets:
Allowance for credit losses	(106,812)						(62,900)						(61,443)
Cash and due from banks	136,702						121,649						135,345
Premises and equipment	217,751						220,523						216,646
Other assets (3)	993,584						798,649						711,671
Total assets	$	15,467,355					$	12,686,977					$	12,284,069
Liabilities and Shareholders’ Equity:
Interest-bearing liabilities:
Interest-bearing deposits:
NOW and interest-bearing demand	$	2,759,383	7,735		0.28		$	2,249,713	13,665		0.61		$	2,107,831	7,649		0.36
Money market	3,023,928		13,165		0.44		2,221,478		18,983		0.85		2,117,216		11,838		0.56
Savings deposits	821,344		169		0.02		690,028		149		0.02		672,735		150		0.02
Time deposits	1,832,319		20,146		1.10		1,791,319		28,313		1.58		1,547,221		12,585		0.81
Brokered deposits	97,788		557		0.57		240,646		5,746		2.39		347,072		7,321		2.11
Total interest-bearing deposits	8,534,762		41,772		0.49		7,193,184		66,856		0.93		6,792,075		39,543		0.58
Federal funds purchased and other borrowings	1,220		3		0.25		33,504		838		2.50		57,376		1,112		1.94
FHLB advances	749		28		3.74		106,973		2,697		2.52		328,871		6,345		1.93
Long-term debt	274,069		14,434		5.27		247,732		12,921		5.22		290,004		14,330		4.94
Total borrowed funds	276,038		14,465		5.24		388,209		16,456		4.24		676,251		21,787		3.22
Total interest-bearing liabilities	8,810,800		56,237		0.64		7,581,393		83,312		1.10		7,468,326		61,330		0.82
Noninterest-bearing liabilities:
Noninterest-bearing deposits	4,600,152						3,385,431						3,207,625
Other liabilities	235,120						164,550						227,980
Total liabilities	13,646,072						11,131,374						10,903,931
Shareholders’ equity	1,821,283						1,555,603						1,380,138
Total liabilities and shareholders’ equity	$	15,467,355					$	12,686,977					$	12,284,069
Net interest revenue (FTE)			$	505,228					$	472,040					$	440,776
Net interest-rate spread (FTE)					3.31	%					3.68	%					3.63	%
Net interest margin (FTE) (4)					3.55	%					4.07	%					3.91	%

(1)Interest revenue on tax-exempt securities and loans has been increased to reflect comparable interest on taxable securities and loans. The rate used for each year was 26% reflecting the statutory federal rate and the federal tax adjusted state tax rate.

(2)Included in the average balance of loans outstanding are loans where the accrual of interest has been discontinued.

(3)Securities available for sale are shown at amortized cost. Pretax unrealized gains of $67.3 million and $12.8 million in 2020 and 2019, respectively, and pretax unrealized losses of $45.2 million in 2018, are included in other assets for purposes of this presentation.

(4)Net interest margin is taxable equivalent net interest revenue divided by average interest-earning assets.

46

The following table shows the relative effect on net interest revenue resulting from changes in the average outstanding balances (volume) of interest-earning assets and interest-bearing liabilities and the rates we earned and paid on such assets and liabilities.

Table 3 - Change in Interest Revenue and Interest Expense

(in thousands, FTE)

	2020 Compared to 2019 Increase (decrease) due to changes in						2019 Compared to 2018 Increase (decrease) due to changes in
	Volume		Rate		Total		Volume		Rate		Total
Interest-earning assets:
Loans	$	88,168	$	(71,748)	$	16,420	$	28,541	$	27,261	$	55,802
Taxable securities	1,594		(16,483)		(14,889)		(7,500)		3,924		(3,576)
Tax-exempt securities	1,923		1,405		3,328		673		(184)		489
Federal funds sold and other interest-earning assets	4,788		(3,534)		1,254		568		(37)		531
Total interest-earning assets	96,473		(90,360)		6,113		22,282		30,964		53,246
Interest-bearing liabilities:
Interest-bearing deposits:
NOW and interest-bearing demand	2,602		(8,532)		(5,930)		546		5,470		6,016
Money market	5,431		(11,249)		(5,818)		609		6,536		7,145
Savings deposits	27		(7)		20		4		(5)		(1)
Time deposits	634		(8,801)		(8,167)		2,254		13,474		15,728
Brokered deposits	(2,273)		(2,916)		(5,189)		(2,452)		877		(1,575)
Total interest-bearing deposits	6,421		(31,505)		(25,084)		961		26,352		27,313
Federal funds purchased and other short-term borrowings	(431)		(404)		(835)		(542)		268		(274)
FHLB advances	(3,548)		879		(2,669)		(5,184)		1,536		(3,648)
Long-term debt	1,386		127		1,513		(2,173)		764		(1,409)
Total borrowed funds	(2,593)		602		(1,991)		(7,899)		2,568		(5,331)
Total interest-bearing liabilities	3,828		(30,903)		(27,075)		(6,938)		28,920		21,982
Increase in net interest revenue	$	92,645	$	(59,457)	$	33,188	$	29,220	$	2,044	$	31,264

Any variance attributable jointly to volume and rate changes is allocated to the volume and rate variance in proportion to the relationship of the absolute dollar amount of the change in each.

Provision for Credit Losses

Prior to the implementation of CECL on January 1, 2020, the provision for credit losses was based on the then-applicable Incurred Loss model and represented an estimate of probable incurred losses in the loan portfolio and unfunded commitments at the end of each reporting period. Since the implementation of CECL, the provision for credit losses represents management’s current estimate of life of loan credit losses in the loan portfolio and unfunded loan commitments. The allowance for unfunded commitments, which is included in other liabilities in the consolidated balance sheets, represents expected losses on unfunded loan commitments that are expected to result in outstanding loan balances. Management’s estimate of credit losses under CECL is determined using a complex model that relies on reasonable and supportable forecasts and historical loss information to determine the balance of the ACL and resulting provision for credit losses.

The provision for credit losses was $80.4 million in 2020 under the CECL method, compared to $13.2 million in 2019 under the Incurred Loss method. The amount of provision recorded in each period was the amount required such that the total ACL reflected the appropriate balance as determined under the applicable accounting standards in effect at each balance sheet date. The elevated provision expense in 2020 was primarily a result of our implementation of CECL, combined with higher expected credit losses resulting from macroeconomic effects of the COVID-19 pandemic, which were incorporated into the forecast used in our CECL calculation. In addition, we recorded provision expense for the initial ACL recorded on Three Shores’ non-PCD loans and unfunded commitments of $9.78 million and $913,000, respectively. Loan growth also contributed to the higher provision for credit losses, but this impact on the provision was partially mitigated by the fact that PPP loans originated in 2020 are 100% government guaranteed, requiring no ACL. As of December 31, 2020, there were $646 million in PPP loans outstanding.

Additional discussion on credit quality and the ACL is included in the “Asset Quality and Risk Elements” and “Critical Accounting Polices” sections of this report, as well as Note 1 to the consolidated financial statements.

47

Noninterest Income

The following table presents the components of noninterest income for the periods indicated.

Table 4 - Noninterest Income
For the Years Ended December 31,
(in thousands)							Change
	2020		2019		2018		2020-2019
Service charge and fees:
Overdraft fees	$	10,800	$	14,553	$	14,814	(26)	%
ATM and debit card interchange fees	13,299		13,517		12,649		(2)
Other service charges and fees	8,302		8,727		8,534		(5)
Total service charges and fees	32,401		36,797		35,997		(12)
Mortgage loan gains and related fees	76,087		27,145		19,010		180
Wealth management fees	9,240		6,150		5,191		50
Gains from sales of other loans, net	5,420		6,867		9,277		(21)
Securities gains (losses), net	748		(1,021)		(656)
Other noninterest income:
BOLI	5,080		5,417		3,557		(6)
Customer derivatives	6,392		2,875		2,669		122
Other	20,741		20,483		17,916		1
Total other noninterest income	32,213		28,775		24,142		12
Total noninterest income	$	156,109	$	104,713	$	92,961	49

Noninterest income increased $51.4 million from 2019, primarily due to increases in mortgage loan gains and related fees, wealth management fees, and customer derivatives income. These increases were partially offset by decreases in overdraft fees and net gains from other loan sales.

The decrease in overdraft fees was driven by lower customer transaction volume. The economic shutdown during the majority of 2020, combined with government stimulus payments during the second and third quarters of 2020, increased the balances of customer deposit accounts, which in turn reduced the number of overdraft transactions.

Mortgage loan gains and related fees for 2020 reflected an increase in mortgage loan sales and a wider margin on the sales, as well as fees on mortgage rate locks and closings compared to last year. The increase was driven by both higher demand due to a historically low interest rate environment and the organic growth of our mortgage business in existing and new markets. The low rate environment was primarily attributable to the 150 basis point decrease in the national federal funds rate during the first quarter of 2020 in response to the COVID-19 pandemic. The increase in mortgage loan gains and fees during 2020 was partially offset by negative fair value adjustments on the mortgage servicing rights asset due to the decrease in mortgage interest rates that resulted in an acceleration of prepayments.

The following table summarizes mortgage loan sales and closings for the periods indicated.

Table 5 - Mortgage Loan Sales
For the Years Ended December 31,
(dollars in thousands)
		2020		2019		Change
	Mortgage loans sold	$	1,466,314	$	707,142	107	%
	# of mortgage loans sold	6,344		3,370		88
	Mortgage loans closed
	Originations	$	1,128,412	$	746,488	51
	Refinances	993,650		352,799		182
	Total	$	2,122,062	$	1,099,287	93
	# of mortgage loans closed	7,631		4,381		74

48

Our SBA/USDA lending strategy includes selling a portion of the loan production each quarter. The amount of loans sold depends on several variables including the current lending environment and balance sheet management activities. During the first quarter of 2020, less-favorable pricing for these loans driven by COVID-19 related market disruption led to our decision to hold more of our production in portfolio, rather than sell to the secondary market, until market conditions improved. The following table presents loans sold and corresponding gains or loss recognized on SBA/USDA loans and other loans sold for the periods indicated.

Table 6 - Other Loan Sales
For the Years Ended December 31,
(in thousands)		2020				2019
		Loans Sold		Gain (Loss)		Loans Sold		Gain (Loss)
	Guaranteed portion of SBA/USDA loans	$	48,385	$	4,132	$	81,158	$	6,286
	Equipment financing receivables	27,018		1,288		30,952		1,269
	Indirect auto loans	—		—		102,789		(688)
	Total	$	75,403	$	5,420	$	214,899	$	6,867

Income from customer derivatives for 2020 increased $3.52 million compared to 2019 due to increased demand for fixed rates during the current low rate environment. The increase in customer derivative income included the negative impact of an increase to the credit valuation adjustment on certain customer derivative positions.

During 2020 and 2019, we recognized death benefits resulting in elevated BOLI income for these periods.

Wealth management fees for 2020 increased 50% compared to 2019, which was primarily driven by the addition of Three Shores’ wealth management business in the third quarter of 2020.

Noninterest Expenses

The following table presents the components of noninterest expenses for the periods indicated.

Table 7 - Noninterest Expenses
For the Years Ended December 31,
(in thousands)							Change
	2020		2019		2018		2020-2019
Salaries and employee benefits	$	224,060	$	196,440	$	181,015	14	%
Occupancy	25,791		23,350		22,781		10
Communications and equipment	27,149		24,613		21,277		10
Professional fees	18,032		17,028		15,540		6
Lending and loan servicing expense	10,993		9,416		8,697		17
Outside services - electronic banking	7,513		7,020		6,623		7
Postage, printing and supplies	6,779		6,370		6,416		6
Advertising and public relations	15,203		6,170		5,991		146
FDIC assessments and other regulatory charges	5,982		4,901		8,491		22
Amortization of core deposit intangibles	4,168		4,489		4,915		(7)
Other	15,301		15,092		17,194		1
Total excluding merger-related and other charges and amortization of noncompete agreements	360,971		314,889		298,940		15
Merger-related and other charges	7,018		6,907		5,414		2
Amortization of noncompete agreements	—		449		1,931
Total noninterest expenses	$	367,989	$	322,245	$	306,285	14

Noninterest expenses for 2020 totaled $368 million, up 14% from 2019. The addition of Three Shores’ operating expenses for the second half of 2020 contributed to the increase, particularly in salaries and benefits and occupancy costs.

Salaries and employee benefits for 2020 increased $27.6 million compared to 2019. In addition to the growth in our employee base resulting from the Three Shores acquisition, the increase was also attributable to increased mortgage commissions resulting from strong mortgage production, bonuses and overtime wages paid to employees who assisted with PPP processing, a one-time $1.78 million accrual for paid time off hours allowed to be carried over into 2021 as result of the pandemic, and merit increases awarded during the second quarter of 2020. These increases were partially offset by higher deferred loan origination costs resulting from

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increased loan production, including PPP loans. Full time equivalent headcount totaled 2,399 at December 31, 2020, up from 2,308 at December 31, 2019.

Communications and equipment expense increased primarily due to additional software maintenance costs and new software contracts. FDIC assessments and other regulatory charges increased compared to 2019 due to the receipt of a $1.38 million assessment credit from the FDIC during 2019, reducing expense for the year. Lending and loan servicing expense increased mostly due to the increase in mortgage origination volume. Advertising and public relations expense increased from 2019 due to contributions made to our newly formed Foundation, which totaled $10.0 million for 2020.

Merger-related and other charges for 2020 primarily consisted of merger costs related to the acquisition of Three Shores, severance, and branch closure costs. Merger-related and other charges for 2019 included a $2.94 million charge for the termination and settlement of the Funded Plan, as well as FMBT acquisition-related costs, branch closure costs, executive retirement charges, and gains and losses on the sale of surplus properties.

Fourth Quarter 2020 Discussion

Net interest revenue for the fourth quarter of 2020 increased $28.8 million, or 25%, to $145 million from the same period a year ago, which was primarily attributable to the increase in the loan portfolio from both organic loan growth and the acquisition of Three Shores. During the fourth quarter of 2020, the forgiveness and repayment of $633 million of PPP loans resulted in accelerated accretion of PPP net deferred fees and costs of $19.4 million, which largely contributed to the increase in net interest revenue compared to the same period of 2019. The net interest margin for the fourth quarter of 2020 decreased to 3.55% from 3.93% in the fourth quarter of 2019, reflecting the impact of historically low interest rates on our asset sensitive balance sheet as loan yields fell at a rate faster than we could lower deposit rates. During the first quarter of 2020, the FOMC lowered interest rates 150 basis points as a result of the COVID-19 pandemic. In addition, while PPP loans increased the balance of interest-earning assets, the low yield on these loans exerted negative pressure on the net interest margin, which offset the positive impact of the accelerated accretion of PPP fees on the margin.

We recorded a provision for credit losses in the fourth quarter of 2020 of $2.91 million, compared to $3.50 million for the fourth quarter of 2019. The provision expense for the fourth quarter of 2020 was determined using our CECL model, rather than the Incurred Loss method used prior to 2020. Our provision for the fourth quarter of 2020 reflected an improved economic outlook relative to prior quarters of 2020, which were significantly impacted by an increase in unemployment driven by policy decisions made in response to the COVID-19 pandemic.

The following table presents the components of noninterest income for the periods indicated.

Table 8 - Quarterly Noninterest Income

(in thousands)

	Three Months Ended December 31,
	2020		2019		Change
Service charges and fees:
Overdraft fees	$	2,800	$	3,825	(27)	%
ATM and debit card fees	3,454		3,408		1
Other service charges and fees	2,254		2,135		6
Total service charges and fees	8,508		9,368		(9)
Mortgage loan gains and related fees	18,974		9,395		102
Wealth management fees	3,221		1,526		111
Gains from other loan sales, net	1,531		2,455		(38)
Securities gains (losses), net	2		(903)
Other noninterest income:
BOLI	989		2,625		(62)
Customer derivatives	1,546		504		207
Other	6,604		5,213		27
Total other noninterest income	9,139		8,342		10
Total noninterest income	$	41,375	$	30,183	37

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Noninterest income for the fourth quarter of 2020 increased $11.2 million from the fourth quarter of 2019. Increases in mortgage loan gains and related fees, wealth management fees, and customer derivative income offset by lower overdraft fees were driven by the same factors impacting the twelve months ended December 31, 2020, as previously discussed.

During the fourth quarter of 2019, we recognized BOLI death benefits of $1.65 million, which provided additional BOLI income for the period compared to the same period of 2020. Gains from other loan sales, net, for the fourth quarter of 2020 compared to the same period of 2019 decreased primarily due to fewer equipment financing receivable sales, which comprised $1.27 million of the gains for the fourth quarter of 2019, compared to nominal gains for the same period of 2020. We recognized losses on securities during the fourth quarter of 2019 as part of a plan to increase the securities portfolio yield by selling some lower-yielding securities. Increases in other income for the fourth quarter of 2020 were attributable to several factors including higher gains on other investments and increases in fees on equipment financing loans driven by production.

The following table presents noninterest expenses for the periods indicated.

Table 9 - Quarterly Noninterest Expenses

(in thousands)

	Three Months Ended December 31,
	2020		2019		Change
Salaries and employee benefits	$	61,824	$	50,279	23	%
Occupancy	7,082		5,926		20
Communications and equipment	7,687		6,380		20
FDIC assessments and other regulatory charges	1,594		1,330		20
Professional fees	4,029		5,098		(21)
Lending and loan servicing expense	2,468		1,908		29
Outside services - electronic banking	1,997		1,919		4
Postage, printing and supplies	1,793		1,637		10
Advertising and public relations	9,891		1,914		417
Amortization of core deposit intangibles	1,042		1,093		(5)
Other	4,631		4,014		15
Total excluding merger-related and other charges	104,038		81,498		28
Merger-related and other charges	2,452		(74)
Total noninterest expenses	$	106,490	$	81,424	31

Noninterest expenses for the fourth quarter of 2020 increased $25.1 million compared to the fourth quarter of 2019. As previously mentioned in the year-to-date noninterest expense discussion, the increase for the fourth quarter of 2020 reflects the inclusion of the operating costs associated with the additional employees and locations acquired from Three Shores, an $8.50 million charitable contribution to the Foundation, increased commission expense and lending and loan servicing expense resulting from strong mortgage production, and a $1.78 million expense accrual for paid time off carried over to 2021 due to the pandemic.

Merger-related and other charges for the fourth quarter of 2020 included Three Shores merger costs and branch closure costs. Merger-related and other charges for the fourth quarter of 2019 included merger costs primarily attributable to FMBT offset by net gains recognized on the sale of surplus properties.

Balance Sheet Review

Total assets at December 31, 2020 were $17.8 billion, an increase of $4.88 billion, or 38%, from December 31, 2019. On a daily average basis, total assets increased $2.78 billion, or 22%, from 2019. Average interest-earning assets for 2020 and 2019 were $14.2 billion and $11.6 billion, respectively. Total liabilities at December 31, 2020 were $15.8 billion, an increase of $4.51 billion, or 40% from December 31, 2019. The acquisition of Three Shores added $2.13 billion of assets and $1.99 billion of liabilities to our balance sheet as of the acquisition date. Our participation in PPP contributed $1.17 billion in loan growth during the year, $646 million of which remained outstanding at December 31, 2020. The proceeds from PPP originations resulted in significant incremental deposit growth, and the resulting liquidity drove growth in the investment portfolio and cash balances. In addition, organic growth of loans and deposits added to the totals as well.

Shareholders’ equity totaled $2.01 billion and $1.64 billion at December 31, 2020 and 2019, respectively. The increase was a result of net income of $164 million, the issuance of $96.4 million of preferred stock, and the issuance of $164 million of common stock in

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connection with the Three Shores acquisition. These increases were partially offset by dividends on common and preferred stock of $63.8 million, common stock repurchases of $20.8 million, and a $3.53 million adjustment to retained earnings resulting from the adoption of ASC 326 on January 1, 2020. At December 31, 2020, the regulatory capital ratios of United and the Bank were significantly above “well-capitalized” levels.

Loans

Our loan portfolio is our largest category of interest-earning assets. Total loans averaged $10.5 billion in 2020, compared with $8.71 billion in 2019, an increase of 20%. At December 31, 2020, total loans were $11.4 billion, an increase of 29%, from December 31, 2019. In addition to organic growth, the increase in loans is largely attributable to the $1.44 billion in loans acquired in the Three Shores transaction and $646 million in outstanding PPP loans originated during 2020. Approximately 69% of all loans were secured by real estate at year-end 2020.

The following table presents the composition of our loan portfolio for the last five years.

Table 10 - Loans Outstanding

As of December 31,

(in thousands)

Loans by Category	2020		2019		2018		2017		2016
Owner occupied commercial real estate	$	2,090,443	$	1,720,227	$	1,647,904	$	1,923,993	$	1,650,360
Income producing commercial real estate	2,540,750		2,007,950		1,812,420		1,595,174		1,281,541
Commercial & industrial (1)	2,498,560		1,220,657		1,278,347		1,130,990		1,069,715
Commercial construction	967,305		976,215		796,158		711,936		633,921
Equipment financing	863,830		744,544		564,614		—		—
Total commercial	8,960,888		6,669,593		6,099,443		5,362,093		4,635,537
Residential mortgage	1,284,920		1,117,616		1,049,232		973,544		856,725
Home equity lines of credit	697,117		660,675		694,010		731,227		655,410
Residential construction	281,430		236,437		211,011		183,019		190,043
Consumer direct	146,460		128,232		122,013		127,504		123,567
Indirect auto	—		—		207,692		358,185		459,354
Total loans	$	11,370,815	$	8,812,553	$	8,383,401	$	7,735,572	$	6,920,636

(1) Commercial and industrial loans as of December 31, 2020 included $646 million of PPP loans.

As of December 31, 2020, our 25 largest credit relationships consisted of loans and loan commitments ranging from $22.9 million to $54.5 million, with an aggregate total credit exposure of $715 million. Total credit exposure included $116 million in unfunded commitments and $599 million in balances outstanding, excluding participations sold.

The following table sets forth the maturity distribution of commercial and construction loans, including the interest rate sensitivity for loans maturing after one year.

Table 11 - Loan Portfolio Maturity

As of December 31, 2020

(in thousands)

	Maturity								Rate Structure for Loans Maturing Over One Year
	One Year or Less		One through Five Years		Over Five Years		Total		Fixed Rate		Floating Rate
Commercial (commercial and industrial)	$	412,545	$	1,510,985	$	575,030	$	2,498,560	$	1,230,545	$	855,470
Construction (commercial and residential)	565,365		471,626		211,744		1,248,735		155,293		528,077
Equipment financing	34,478		674,932		154,420		863,830		829,352		—
Total	$	1,012,388	$	2,657,543	$	941,194	$	4,611,125	$	2,215,190	$	1,383,547

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Asset Quality and Risk Elements 

We manage asset quality and control credit risk through review and oversight of the loan portfolio as well as adherence to policies designed to promote sound underwriting and loan monitoring practices. Our credit administration function is responsible for monitoring asset quality and Board approved portfolio concentration limits, establishing credit policies and procedures and enforcing the consistent application of these policies and procedures. Additional information on our credit administration function is included in Part I, Item 1 of this Report under the heading “Lending Activities.” 

We classify loans as “substandard” when there is a well-defined weakness or weaknesses that jeopardize the repayment by the borrower and there is a distinct possibility that we could sustain some loss if the deficiency is not corrected. Performing substandard loans, which are substandard loans that are still accruing interest, totaled $165 million and $125 million as of December 31, 2020 and 2019, respectively, which represented an increase of 32%. The increase coincided with the overall increase in classified loans from December 31, 2019.

We conduct reviews of classified performing and non-performing loans, TDRs, past due loans and portfolio concentrations on a regular basis to identify risk migration and potential charges to the ACL. These items are discussed in a series of meetings attended by Credit Risk Management leadership and leadership from various lending groups. In addition to the reviews mentioned above, an independent loan review team reviews the portfolio to ensure consistent application of risk rating policies and procedures.

Since the implementation of CECL on January 1, 2020, the ACL reflects management’s assessment of the life of loan expected credit losses in the loan portfolio and unfunded loan commitments. Prior to the implementation of CECL, the ACL reflected management’s assessment of the probable incurred losses in the loan portfolio and unfunded loan commitments. Management’s assessment involves uncertainty and judgment and is subject to change in future periods. The amount of any changes could be significant if the assessment of loan quality or collateral values changes substantially with respect to one or more loan relationships or portfolios or if there is a significant change in the reasonable and supportable forecast used to model our expected credit losses. The allocation of the ACL is based on reasonable and supportable forecasts, historical data, subjective judgment and estimates and therefore, may not be predictive of the specific amounts or loan categories in which charge-offs may ultimately occur. In addition, bank regulatory authorities, as part of their periodic examination of the Bank, may require adjustments to the provision for credit losses in future periods if, in their opinion, the results of their review warrant such additions. See the Critical Accounting Policies section for additional information on the ACL.

The ACL, which includes a portion related to unfunded commitments, totaled $148 million at December 31, 2020 compared with $65.5 million at December 31, 2019. At December 31, 2020, the ACL for loans was $137 million, or 1.20% of total loans, compared with $62.1 million, or 0.70%, of loans at December 31, 2019. The implementation of CECL added $6.88 million to the ACL for loans and $1.87 million to the reserve for unfunded commitments resulting in a total ACL of $74.3 million at the time of adoption. The increase since adoption primarily reflects the impact of the COVID-19 pandemic, $11.2 million of allowance established for Three Shores PCD loans at acquisition with no impact to earnings, as well as the impact of loan growth during 2020 including the non-PCD loans received through the Three Shores acquisition. The impact of loan growth on the ACL was partially mitigated by the fact that PPP loans are considered low risk assets due to the 100% guarantee by the SBA.

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 The following table summarizes the allocation of the ACL for each of the past five years.

Table 12 - Allocation of ACL

As of December 31,

(in thousands)

	CECL			Incurred Loss
	2020			2019			2018			2017			2016
	Amount		%*	Amount		%*	Amount		%*	Amount		%*	Amount		%*
Owner occupied commercial real estate	$	20,673	18	$	11,404	20	$	12,207	19	$	14,776	25	$	16,446	24
Income producing commercial real estate	41,737		22	12,306		23	11,073		22	9,381		21	8,843		18
Commercial & industrial	22,019		22	5,266		14	4,802		15	3,971		15	3,810		16
Commercial construction	10,952		9	9,668		11	10,337		9	10,523		9	13,405		9
Equipment financing	16,820		8	7,384		8	5,452		7	—		—	—		—
Total commercial	112,201		79	46,028		76	43,871		72	38,651		70	42,504		67
Residential mortgage	15,341		11	8,081		13	8,295		13	10,097		13	8,545		13
Home equity lines of credit	8,417		6	4,575		7	4,752		8	5,177		9	4,599		9
Residential construction	764		3	2,504		3	2,433		3	2,729		2	3,264		3
Consumer direct	287		1	901		1	853		2	710		2	708		2
Indirect auto	—		—	—		—	999		2	1,550		4	1,802		6
Total ACL - loans	137,010		100	62,089		100	61,203		100	58,914		100	61,422		100
ACL - unfunded commitments	10,558			3,458			3,410			2,312			2,002
Total ACL	$	147,568		$	65,547		$	64,613		$	61,226		$	63,424

* Loan balance in each category, expressed as a percentage of total loans.

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The following table presents a summary of changes in the ACL for each of the past five years.

Table 13 - ACL
Years Ended December 31,
(in thousands)	CECL			Incurred Loss
	2020			2019			2018			2017			2016
ACL - loans, beginning of period	$	62,089		$	61,203		$	58,914		$	61,422		$	68,448
Implementation of CECL	6,880			—			—			—			—
ACL - loans, adjusted beginning balance	68,969			61,203			58,914			61,422			68,448
Initial ACL - PCD loans acquired during the period	11,152			—			—			—			—
Charge-offs:
Owner occupied commercial real estate	70			5			303			406			2,029
Income producing commercial real estate	8,430			1,227			3,304			2,985			1,433
Commercial & industrial	10,707			5,849			1,669			1,528			1,830
Commercial construction	726			290			622			1,023			837
Equipment financing	8,764			5,675			1,536			—			—
Residential mortgage	398			616			754			1,473			1,151
Home equity lines of credit	221			996			1,194			1,435			1,690
Residential construction	93			306			54			129			533
Consumer direct	2,985			2,390			2,445			1,803			1,459
Indirect auto	—			663			1,277			1,420			1,399
Total charge-offs	32,394			18,017			13,158			12,202			12,361
Recoveries:
Owner occupied commercial real estate	2,565			375			1,227			980			706
Income producing commercial real estate	3,546			283			1,064			178			580
Commercial & industrial	1,371			852			1,390			1,768			1,689
Commercial construction	1,045			1,165			734			1,018			821
Equipment financing	2,004			781			460			—			—
Residential mortgage	455			481			336			314			301
Home equity lines of credit	677			610			423			567			386
Residential construction	156			157			376			178			79
Consumer direct	2,259			911			807			917			800
Indirect auto	—			186			228			284			233
Total recoveries	14,078			5,801			7,045			6,204			5,595
Net charge-offs	18,316			12,216			6,113			5,998			6,766
Provision for credit losses - loans	75,205			13,102			8,402			3,490			(260)
ACL- loans, end of period	137,010			62,089			61,203			58,914			61,422
ACL - unfunded commitments, beginning of period	3,458			3,410			2,312			2,002			2,542
Implementation of CECL	1,871			—			—			—			—
ACL - unfunded commitments, adjusted beginning balance	5,329			3,410			2,312			2,002			2,542
Provision for credit losses - unfunded commitments	5,229			48			1,098			310			(540)
ACL - unfunded commitments, end of period	10,558			3,458			3,410			2,312			2,002
Total ACL	$	147,568		$	65,547		$	64,613		$	61,226		$	63,424
Total loans:
At year-end	$	11,370,815		$	8,812,553		$	8,383,401		$	7,735,572		$	6,920,636
Average	10,466,653			8,708,035			8,170,143			7,150,211			6,412,740
ACL- loans as a percentage of year-end loans	1.20		%	0.70		%	0.73		%	0.76		%	0.89		%
As a percentage of average loans:
Net charge-offs	0.17			0.14			0.07			0.08			0.11
Provision for credit losses - loans	0.72			0.15			0.10			0.05			—

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Nonperforming Assets

NPAs, which include nonaccrual loans and foreclosed properties, totaled $62.2 million at December 31, 2020, compared with $35.8 million at December 31, 2019.

The increase in NPAs since December 31, 2019 was primarily a result of an increase in nonaccrual loans. The inclusion of Three Shores nonaccrual loans and foreclosed properties in the NPA balances and the impact of the COVID-19 pandemic on our loan portfolio contributed to the increase from December 31, 2019. In addition, when we adopted ASC 326 on January 1, 2020, we elected to disaggregate the former PCI pools and no longer consider the loan pool to be the unit of account. Reporting these contractually delinquent PCD loans as nonaccrual loans using the same criteria as other loans contributed $3.53 million to the increase in nonaccrual loans since December 31, 2019. The table below summarizes NPAs at year-end for the last five years.

Table 14 - NPAs

As of December 31,

(in thousands)

	2020			2019			2018			2017			2016
Nonaccrual loans	$	61,599		$	35,341		$	23,778		$	23,658		$	21,539
Foreclosed properties	647			476			1,305			3,234			7,949
Total NPAs	$	62,246		$	35,817		$	25,083		$	26,892		$	29,488
Nonaccrual loans as a percentage of total loans	0.54		%	0.40		%	0.28		%	0.31		%	0.31		%
NPAs as a percentage of loans and foreclosed properties	0.55			0.41			0.30			0.35			0.43
NPAs as a percentage of total assets	0.35			0.28			0.20			0.23			0.28

The following table summarizes nonaccrual loans by category.

Table 15 - Nonaccrual Loans by Category

As of December 31,

(in thousands)

	2020		2019
Owner occupied commercial real estate	$	8,582	$	10,544
Income producing commercial real estate	15,149		1,996
Commercial & industrial	16,634		2,545
Commercial construction	1,745		2,277
Equipment financing	3,405		3,141
Total commercial	45,515		20,503
Residential mortgage	12,858		10,567
Home equity lines of credit	2,487		3,173
Residential construction	514		939
Consumer direct	225		159
Total nonaccrual loans	$	61,599	$	35,341

At December 31, 2020 and 2019, we had $61.6 million and $54.2 million, respectively, in loans with terms that have been modified in a TDR. Included therein were $20.6 million and $8.25 million, respectively, of TDRs that were nonaccrual loans. The remaining TDRs with aggregate balances of $41.0 million and $46.0 million, respectively, were performing according to their modified terms and were therefore not considered to be NPAs.

Under the CARES Act, COVID-19 related modifications to loans that were current as of December 31, 2019 are exempt from TDR classification under GAAP. In addition, the bank regulatory agencies issued interagency guidance stating that COVID-19 related short-term modifications (i.e., payment deferrals) granted to loans that were current as of the loan modification program implementation date are not new TDRs. During 2020 we granted a significant number of payment deferral requests to our borrowers related to the economic disruption created by COVID-19, most of which were exempt from TDR classification in the short term. By year-end, most of the loans with deferral periods had resumed normal payments. The following table presents remaining COVID-19 related short-term deferrals that, to the extent they qualified for exemption, were not considered TDRs as of December 31, 2020.

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Table 16 - COVID-19 Deferrals

As of December 31, 2020

(in thousands)

Owner occupied commercial real estate	$	4,774
Income producing commercial real estate	45,190
Commercial & industrial	5,682
Commercial construction	1,745
Equipment financing	3,474
Total commercial	60,865
Residential mortgage	8,731
Home equity lines of credit	1,012
Residential construction	55
Consumer	46
Total COVID-19 deferrals	$	70,709
COVID-19 deferrals as % of total loans	1		%

Investment Securities

The composition of our investment securities portfolio reflects our investment strategy of maintaining an appropriate level of liquidity while providing a relatively stable source of revenue. The investment securities portfolio also provides a balance to interest rate risk in other categories of the balance sheet, while providing a vehicle for the investment of available funds, furnishing liquidity, and supplying securities to pledge as required collateral for certain deposits and borrowings. Total investment securities at December 31, 2020 increased $1.09 billion from December 31, 2019. The increased balances reflected securities acquired from Three Shores as well as our decision to deploy excess liquidity by purchasing securities.

At December 31, 2020 and 2019, we had debt securities held-to-maturity with a carrying value of $420 million and $284 million, respectively, and debt securities available-for-sale totaling $3.22 billion and $2.27 billion, respectively. At December 31, 2020 and 2019, the securities portfolio represented approximately 20% of total assets. At December 31, 2020, the effective duration of the investment portfolio was 3.68 years, compared with 2.81 years at December 31, 2019.

The investment securities portfolio primarily consists of Treasury securities, U.S. government securities, U.S. government sponsored agency mortgage-backed securities, non-agency mortgage-backed securities, corporate securities, municipal securities and asset-backed securities. Mortgage-backed securities, which include both U.S. government sponsored agency and non-agency securities, rely on the underlying pools of mortgage loans to provide a cash flow of principal and interest. The actual maturities of these securities will differ from the contractual maturities because the loans underlying the security can prepay. Decreases in interest rates will generally cause an acceleration of prepayment levels. In a declining or prolonged low interest rate environment, we may not be able to reinvest the proceeds from these prepayments in assets that have comparable yields. In a rising rate environment, the opposite may occur. Prepayments tend to slow and the weighted average life extends. This is referred to as extension risk, which can lead to lower levels of liquidity due to the delay of cash receipts, and can result in the holding of a below market yielding asset for a longer period of time.

At December 31, 2020 and 2019, we had 62% and 71%, respectively, of our total investment securities portfolio invested in mortgage-backed securities. We have continued to purchase mortgage-backed securities in order to obtain a favorable yield with low risk. We did not have debt obligations of any issuer in excess of 10% of equity at year-end 2020 or 2019, excluding U.S. government sponsored entities. As of December 31, 2020, no securities were rated below “Baa” and 85% of securities were rated “Aaa”. See Note 5 to the consolidated financial statements for further discussion of the investment portfolio and related fair value and maturity information.

Since our implementation of CECL, our held-to-maturity securities portfolio is evaluated quarterly to assess whether an ACL is required. We measure expected credit losses on held-to-maturity debt securities on a collective basis by major security type. The estimate of expected credit losses considers historical credit loss information that is adjusted for current conditions and reasonable and supportable forecasts. At adoption on January 1, 2020 and at December 31, 2020, calculated credit losses and, thus, the related ACL on held-to-maturity debt securities were not material. As a result, we did not record an ACL for held-to-maturity securities at adoption or at December 31, 2020.

For available-for-sale debt securities in an unrealized loss position, if we intend to sell, or if it is more likely than not that we will be required to sell the security before recovery of its amortized cost basis, the security's amortized cost basis is written down to fair value through income. Absent an intent or more than likely requirement to sell, we evaluate whether the decline in fair value has resulted from credit losses or other factors. The evaluation considers factors such as the extent to which fair value is less than amortized cost,

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changes to the security’s rating, and adverse conditions specific to the security. Since the adoption of ASC 326, if the evaluation indicates a credit loss exists, an ACL may be recorded, with such allowance limited to the amount by which fair value is below amortized cost. Any impairment unrelated to credit factors is recognized in other comprehensive income. Based on the assessment performed at December 31, 2020, there was no ACL required related to the available-for-sale portfolio. Losses on fixed income securities at December 31, 2020 primarily reflected the effect of changes in interest rates.

Prior to the implementation of CECL, management evaluated our securities portfolio each quarter to determine if any security was other than temporarily impaired. In making this evaluation, management considered our ability and intent to hold securities to recover current market losses. We did not recognize any other than temporary impairment losses on our investment securities in 2019 or 2018.

Goodwill and Other Intangible Assets

Goodwill represents the premium paid for acquired companies above the fair value of the assets acquired and liabilities assumed, including separately identifiable intangible assets. Goodwill is not amortized, but is assessed for impairment on an annual basis, or more often if events or circumstances indicate there may be impairment, referred to as a triggering event. Upon the occurrence of a triggering event, accounting guidance allows for an assessment of qualitative factors to determine whether it is more likely than not, or a greater than 50% likelihood, that the fair value of the entity is less than its carrying amount, including goodwill. When it is more likely than not that impairment has occurred, management is required to perform a quantitative analysis and, if necessary, adjust the carrying amount of goodwill by recording a goodwill impairment loss.

Due to market concerns about the potential impact of COVID-19, our common stock price declined such that it traded below book value for much of 2020. We generally perform our annual goodwill impairment assessment during the fourth quarter of each year, using data as of the end of the third quarter; however as a result of this triggering event, we qualitatively assessed goodwill at the end of each interim quarter of 2020. Each assessment resulted in the conclusion that there was not a greater than 50% likelihood that United’s fair value was less than its carrying amount, given the anticipated short duration of the change in macroeconomic conditions. During the fourth quarter of 2020, our stock returned to trading above book value. Based on the excess value and other qualitative factors, the latest annual assessment performed during the fourth quarter resulted in the conclusion that there was not a greater than 50% likelihood that United’s fair value was less than its carrying amount as of December 31, 2020.

Core deposit intangibles, representing the value of the acquired deposit base, are amortizing intangible assets that are required to be tested for impairment only when events or circumstances indicate that impairment may exist. There were no events or circumstances that led us to believe that any impairment exists in our core deposit intangibles.

In connection with the acquisition of Three Shores on July 1, 2020, we recorded goodwill and a core deposit intangible of $40.4 million and $3.36 million, respectively.

Deposits

Customer deposits are the primary source of funds for the continued growth of our earning assets. Our high level of service, as evidenced by our strong customer satisfaction scores, has been instrumental in attracting and retaining customer deposit accounts. Customer deposits as of December 31, 2020 were up $4.21 billion, or 39%, compared to December 31, 2019. In addition to organic growth, the increase in customer deposits was also attributable to deposits acquired from Three Shores ($1.79 billion at the July 1, 2020 acquisition date) and PPP-related deposits. The following table sets forth the deposit composition for the periods indicated.

Table 17 - Deposits

As of December 31,

(in thousands) 

	2020		2019
Noninterest-bearing demand	$	5,390,291	$	3,477,979
NOW and interest-bearing demand	3,346,490		2,461,895
Money market and savings	4,501,189		2,937,095
Time	1,704,290		1,859,574
Total customer deposits	14,942,260		10,736,543
Brokered deposits	290,098		160,701
Total deposits	$	15,232,358	$	10,897,244

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The following table sets forth the scheduled maturities of time deposits of $250,000 and greater.

Table 18 - Maturities of Customer Time Deposits of $250,000 and Greater

As of December 31,

(in thousands) 

	2020		2019
Three months or less	$	94,569	$	86,324
Three to six months	65,395		100,380
Six to twelve months	88,325		139,897
Over one year	68,595		40,375
Total	$	316,884	$	366,976

Borrowing Activities

At December 31, 2020 and 2019, we had long-term debt outstanding of $327 million and $213 million, respectively, which included senior debentures, subordinated debentures, and trust preferred securities. During the second quarter of 2020, we issued $100 million of 5% fixed-to-floating rate senior debentures with a maturity date of June 15, 2030. The proceeds generated from the issuance of these debentures will be used for general business purposes. During the third quarter of 2020, we assumed $15.0 million of subordinated debt from Three Shores. Additional information regarding these debt instruments is provided in Note 12 to the consolidated financial statements.

Liquidity Management

Liquidity is defined as the ability to convert assets into cash or cash equivalents without significant loss and to raise additional funds by increasing liabilities. Liquidity management involves maintaining the ability to meet the daily cash flow requirements of customers, both depositors and borrowers. The primary objective is to ensure that sufficient funding is available, at a reasonable cost, to meet ongoing operational cash needs and to take advantage of revenue producing opportunities as they arise. While the desired level of liquidity will vary depending upon a variety of factors, our primary goal is to maintain a sufficient level of liquidity in all expected economic environments. To assist in determining the adequacy of our liquidity, we perform a variety of liquidity stress tests. We maintain an unencumbered liquid asset reserve to help ensure our ability to meet our obligations under normal conditions for at least a 12-month period and under severely adverse liquidity conditions for a minimum of 30 days.

An important part of the Bank’s liquidity resides in the asset portion of the balance sheet, which provides liquidity primarily through loan interest and principal repayments and the maturities and sales of securities, as well as the ability to use these assets as collateral for borrowings on a secured basis.

The Bank’s main source of liquidity is customer interest-bearing and noninterest-bearing deposit accounts. Liquidity is also available from wholesale funding sources consisting primarily of Federal funds purchased, FHLB advances, and brokered deposits. These sources of liquidity are generally short-term in nature and are used as necessary to fund asset growth and meet other short-term liquidity needs.

In addition, because the Holding Company is a separate entity and apart from the Bank, it must provide for its own liquidity. The Holding Company is responsible for the payment of dividends declared for its common and preferred shareholders, and interest and principal on any outstanding debt or trust preferred securities. The Holding Company currently has internal capital resources to meet these obligations. While the Holding Company has access to the capital markets and maintains a line of credit as a contingent funding source, the ultimate sources of its liquidity are subsidiary service fees and dividends from the Bank, which are limited by applicable law and regulations. In 2020, the Bank paid dividends of $150 million to the Holding Company. In 2019, the Bank paid no dividends to the Holding Company. Holding Company liquidity is managed to a minimum of 15-months of positive cash flow after considering all of its liquidity needs over this period.

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The table below presents a summary of short-term borrowings over the last three years.

Table 19 - Short-Term Borrowings

As of and for the year ended December 31,

(in thousands)

	Period-end balance		Maximum outstanding at any month-end		Average amounts outstanding during the year		Weighted-average rate for the year
2020
Federal funds purchased	$	—	$	5,000	$	550	0.37	%
Repurchase agreements	—		5,138		670		0.15
	$	—			$	1,220
2019
Federal funds purchased	$	—	$	70,000	$	33,504	2.50	%
	$	—			$	33,504
2018
Federal funds purchased	$	—	$	65,000	$	55,799	1.98	%
Repurchase agreements	—		—		1,577		0.44
	$	—			$	57,376

At December 31, 2020, we had sufficient qualifying collateral to increase FHLB advances by $1.40 billion and Federal Reserve discount window capacity of $1.38 billion, as well as unpledged investment securities of $2.53 billion that could be used as collateral for additional borrowings. Management also has the ability to raise substantial funds through brokered deposits. In addition to these wholesale sources, we have the ability to attract retail deposits at any time by competing more aggressively on pricing.

As disclosed in the consolidated statements of cash flows, net cash provided by operating activities was $159 million for the year ended December 31, 2020. Net income of $164 million for the year included non-cash income and expense of the following: deferred income tax expense of $2.67 million, net depreciation, amortization and accretion income of $8.59 million, provision expense of $80.4 million, and stock-based compensation expense of $7.89 million. Uses of cash from operating activities included an increase in other assets and accrued interest receivable of $20.1 million, a decrease in accrued expenses and other liabilities of $14.8 million, and an increase in loans held for sale of $46.7 million.

Net cash used in investing activities of $1.58 billion consisted primarily of a net increase in loans of $1.07 billion, $1.46 billion of purchases of debt securities available-for-sale and equity securities, $157 million of purchases of debt securities held-to-maturity, and purchases of premises and equipment of $18.5 million. These uses of cash were partially offset by net cash received in the acquisition of Three Shores of $196 million, proceeds from maturities and calls of debt securities available-for-sale of $835 million, sales of debt securities available-for-sale and equity securities of $40.6 million, and maturities and calls of securities held-to-maturity of $58.0 million.

The $2.52 billion provided by financing activities consisted primarily of a net increase in deposits of $2.53 billion, net proceeds from the issuance of long-term debt of $98.6 million, and net proceeds from the issuance of preferred stock of $96.4 million. Partially offsetting these sources of cash were the net repayment of $129 million in FHLB advances, $62.4 million in common and preferred stock dividends, and repurchases of common stock of $20.8 million. In the opinion of management, our liquidity position at December 31, 2020 was sufficient to meet our expected cash requirements.

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The following table presents the contractual maturity of investment securities by date and average yields. The composition and maturity / repricing distribution of the securities portfolio is subject to change depending on rate sensitivity, capital and liquidity needs.

Table 20 - Contractual Maturity of Available-for-Sale and Held-to-Maturity Debt Securities

As of December 31, 2020

(in thousands)

	Maturity By Years
	1 or Less			1 to 5			5 to 10			Over 10			Total
Available-for-Sale
U.S. Treasuries	$	20,311		$	107,761		$	—		$	—		$	128,072
U.S. Government agencies & GSEs	201			16,820			55,481			80,470			152,972
State and political subdivisions	20,232			51,544			64,843			137,853			274,472
Residential mortgage-backed securities, Agency & GSE	—			12,777			44,660			1,246,455			1,303,892
Residential mortgage-backed securities, Non-agency	—			—			—			181,693			181,693
Commercial mortgage-backed, Agency & GSE	18,638			135,864			188,923			188,843			532,268
Commercial mortgage-backed, Non-agency	—			—			—			16,863			16,863
Corporate bonds	11,592			45,837			13,485			853			71,767
Asset-backed securities	4,323			390,799			19,199			148,401			562,722
Total securities available-for-sale	$	75,297		$	761,402		$	386,591		$	2,001,431		$	3,224,721
Weighted average yield (1)	2.10		%	1.33		%	1.79		%	2.02		%	1.83		%
Held-to-Maturity
U.S. Government agencies & GSEs	$	—		$	—		$	—		$	10,575		$	10,575
State and political subdivisions	1,700			14,505			7,028			174,490			197,723
Residential mortgage-backed securities, Agency & GSE	—			7,865			16,557			88,978			113,400
Commercial mortgage-backed, Agency & GSE	—			6,154			9,051			83,458			98,663
Total securities held-to-maturity	$	1,700		$	28,524		$	32,636		$	357,501		$	420,361
Weighted average yield (1)	3.79		%	3.66		%	2.29		%	2.27		%	2.38		%
Combined Portfolio
U.S. Treasuries	$	20,311		$	107,761		$	—		$	—		$	128,072
U.S. Government agencies & GSEs	201			16,820			55,481			91,045			163,547
State and political subdivisions	21,932			66,049			71,871			312,343			472,195
Residential mortgage-backed securities, Agency & GSE	—			20,642			61,217			1,335,433			1,417,292
Residential mortgage-backed securities, Non-agency	—			—			—			181,693			181,693
Commercial mortgage-backed, Agency & GSE	18,638			142,018			197,974			272,301			630,931
Commercial mortgage-backed, Non-agency	—			—			—			16,863			16,863
Corporate bonds	11,592			45,837			13,485			853			71,767
Asset-backed securities	4,323			390,799			19,199			148,401			562,722
Total securities	$	76,997		$	789,926		$	419,227		$	2,358,932		$	3,645,082
Weighted average yield (1)	2.14		%	1.41		%	1.83		%	2.06		%	1.89		%

(1) Based on carrying value.

Off-Balance Sheet Arrangements

We are a party to financial instruments with off-balance sheet risk in the normal course of business to meet the financing needs of customers. These financial instruments, which included commitments to extend credit and letters of credit, totaled $3.08 billion at December 31, 2020.

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A commitment to extend credit is an agreement to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. Letters of credit and financial guarantees are conditional commitments issued to guarantee a customer’s performance to a third party and have essentially the same credit risk as extending loan facilities to customers. Those commitments are primarily issued to local businesses.

The exposure to credit loss in the event of nonperformance by the other party to the commitments to extend credit, letters of credit and financial guarantees is represented by the contractual amount of these instruments. We use the same credit underwriting procedures for making commitments, letters of credit and financial guarantees as we use for underwriting on-balance sheet instruments. Management evaluates each customer’s creditworthiness on a case-by-case basis and the amount of the collateral, if deemed necessary, is based on the credit evaluation. Collateral held varies, but may include unimproved and improved real estate, certificates of deposit, personal property or other acceptable collateral.

All of these instruments involve, to varying degrees, elements of credit risk in excess of the amount recognized in the balance sheet. The total amount of these instruments does not necessarily represent future cash requirements because a significant portion of these instruments expire without being used. We believe that we have adequate sources of liquidity to fund commitments that are drawn upon by the borrowers. We are not involved in off-balance sheet contractual relationships, other than those disclosed in this Report, that could result in liquidity needs or other commitments, or that could significantly affect earnings. See Note 22 to the consolidated financial statements for additional information on off-balance sheet arrangements.

The following table shows United’s contractual obligations and other commitments. 

Table 21 - Contractual Obligations and Other Commitments

As of December 31, 2020

(in thousands)

					Maturity By Years
	Total		Unamortized Premium (Discount)		1 or Less		1 to 3		3 to 5		Over 5
Contractual Cash Obligations
Long-term debt	326,956		(9,296)		—		50,000		11,250		275,002
Operating leases	33,095		(1,664)		7,446		14,497		5,820		6,996
Total contractual cash obligations	$	360,051	$	(10,960)	$	7,446	$	64,497	$	17,070	$	281,998
Other Commitments
Commitments to extend credit	$	3,052,657	$	—	$	983,103	$	653,223	$	475,169	$	941,162
Commercial letters of credit	31,748		—		25,602		5,292		665		189
Uncertain tax positions	2,163		—		441		1,301		421		—
Total other commitments	$	3,086,568	$	—	$	1,009,146	$	659,816	$	476,255	$	941,351

Subsequent to year-end, we redeemed two long-term debt instruments totaling $15.6 million, which are included in the table above. See Note 12 to the consolidated financial statements for further detail.

Capital Resources and Dividends

The maintenance and management of capital levels is one of management’s significant priorities. Shareholders’ equity at December 31, 2020 was $2.01 billion, an increase of $372 million from December 31, 2019 primarily due to earnings, the issuance of preferred stock, common stock issued in the Three Shores transaction, and other comprehensive income partially offset by dividends declared and shares repurchased.

Under the risk-based capital guidelines of Basel III, assets and credit equivalent amounts of derivatives and off-balance sheet items are assigned to one of several broad risk categories according to the obligor, or, if relevant, the guarantor or the nature of the collateral. The aggregate dollar amount in each risk category is then multiplied by the risk weight associated with the category. The resulting weighted values from each of the risk categories are added together, and generally this sum is our total RWAs. RWAs for purposes of our capital ratios are calculated under these guidelines.

CET1 capital consists of common shareholders’ equity, excluding AOCI, intangible assets (goodwill, deposit-based intangibles and certain other intangibles, including certain servicing assets), net of associated deferred tax liabilities, and disallowed deferred tax

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assets. Tier 1 capital consists of CET1, plus perpetual preferred stock and other qualifying capital securities. Tier 2 capital components include supplemental capital such as the qualifying portion of the ACL and qualifying subordinated debt. Tier 1 capital plus Tier 2 capital is referred to as Total risk-based capital.

We have outstanding junior subordinated debentures related to trust preferred securities totaling $25.0 million at December 31, 2020. Beginning in the third quarter of 2020, the related trust preferred securities of $24.3 million (excluding common securities) qualified as Tier 2 capital for United under risk-based capital guidelines, subject to certain limitations. Prior to that date, trust preferred securities qualified as Tier 1 capital. Further information on trust preferred securities is provided in Note 12 to the consolidated financial statements.

The following table outlines the minimum ratios required for capital adequacy purposes, as well as the thresholds for a categorization of “well-capitalized”.

Table 22 - Capital Ratios

As of December 31,

							United Community Banks, Inc. (consolidated)				United Community Bank
	Minimum Capital		Well-Capitalized		Minimum Capital Plus Capital Conservation Buffer		2020		2019		2020		2019
Risk-based ratios:
CET1 capital	4.5	%	6.5	%	7.0	%	12.31	%	12.97	%	13.31	%	14.87	%
Tier 1 capital	6.0		8.0		8.5		13.10		13.21		13.31		14.87
Total capital	8.0		10.0		10.5		15.15		15.01		14.28		15.54
Leverage ratio	4.0		5.0		N/A		9.28		10.34		9.42		11.63

Additional information related to capital ratios, as calculated under regulatory guidelines, as of December 31, 2020 and 2019, is provided in Note 21 to the consolidated financial statements. As of December 31, 2020 and 2019, both United and the Bank were characterized as “well-capitalized”. 

Effect of Inflation and Changing Prices

A bank’s asset and liability structure is substantially different from that of an industrial firm, because primarily all assets and liabilities of a bank are monetary in nature, with relatively little investment in fixed assets or inventories. Inflation has an important effect on the growth of total assets and the resulting need to increase equity capital at higher than nominal rates in order to maintain an appropriate equity to assets ratio.

Our management believes the effect of inflation on financial results depends on our ability to react to changes in interest rates and, by such reaction, reduce the inflationary effect on performance. We have an asset/liability management program to monitor and manage our interest rate sensitivity position. In addition, periodic reviews of banking services and products are conducted to adjust pricing in view of current and expected costs.

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ITEM 7A.    QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK.

Interest Rate Sensitivity Management

The absolute level and volatility of interest rates can have a significant effect on profitability. The objective of interest rate risk management is to identify and manage the sensitivity of net interest revenue to changing interest rates, consistent with our overall financial goals. Based on economic conditions, asset quality and various other considerations, management establishes tolerance ranges for interest rate sensitivity and manages within these ranges. 

Net interest revenue and the fair value of financial instruments are influenced by changes in the level of interest rates. We limit our exposure to fluctuations in interest rates through policies established by our ALCO and approved by the Board. ALCO meets periodically and has responsibility for formulating and recommending asset/liability management policies to the Board, formulating and implementing strategies to improve balance sheet positioning and/or earnings, and reviewing interest rate sensitivity. 

One of the tools management uses to estimate and manage the sensitivity of net interest revenue to changes in interest rates is an asset/liability simulation model. Resulting estimates are based upon several assumptions for each scenario, including loan and deposit re-pricing characteristics and the rate of prepayments. ALCO periodically reviews the assumptions for reasonableness based on historical data and future expectations; however, actual net interest revenue may differ from model results. The primary objective of the simulation model is to measure the potential change in net interest revenue over time using multiple interest rate scenarios. The base scenario assumes rates remain flat and is the scenario to which all others are compared to in order to measure the change in net interest revenue. Policy limits are based on immediate rate shock scenarios, as well as gradually rising and falling rate scenarios, which are all compared to the base scenario. Other scenarios analyzed may include delayed rate shocks, yield curve steepening or flattening, or other variations in rate movements. While the primary policy scenarios focus on a 12-month time frame, longer time horizons are also modeled. 

Our policy is based on the 12-month impact on net interest revenue of interest rate shocks and ramps that increase from 100 to 400 basis points or decrease 100 to 200 basis points from the base scenario. In the shock scenarios, rates immediately change the full amount at the scenario onset. In the ramp scenarios, rates change by 25 basis points per month. Our policy limits the projected change in net interest revenue over the first 12 months to an 8% decrease for each 100 basis point change in the increasing and decreasing rate ramp and shock scenarios. The following table presents our interest sensitivity position at the dates indicated.

Table 23 - Interest Sensitivity

	Increase (Decrease) in Net Interest Revenue from Base Scenario at December 31,
	2020				2019
Change in Rates	Shock		Ramp		Shock		Ramp
100 basis point increase	3.80	%	2.88	%	2.91	%	2.22	%
100 basis point decrease	(1.89)		(1.82)		(4.86)		(3.92)

Interest rate sensitivity is a function of the repricing characteristics of the portfolio of assets and liabilities. These repricing characteristics are the time frames within which the interest-earning assets and interest-bearing liabilities are subject to change in interest rates either at replacement, repricing or maturity. Interest rate sensitivity management focuses on the maturity structure of assets and liabilities and their repricing characteristics during periods of changes in market interest rates. Effective interest rate sensitivity management seeks to ensure that both assets and liabilities respond to changes in interest rates on a net basis within an acceptable timeframe, thereby minimizing the potentially adverse effect of interest rate changes on net interest revenue.

We have discretion in the extent and timing of deposit repricing depending upon the competitive pressures in the markets in which we operate. Changes in the mix of earning assets or supporting liabilities can either increase or decrease the net interest margin without affecting interest rate sensitivity. The interest rate spread between an asset and its supporting liability can vary significantly even when the timing of repricing for both the asset and the liability remains the same, due to the two instruments repricing according to different indices. This is commonly referred to as basis risk.

Derivative financial instruments are used to manage interest rate sensitivity. These contracts generally consist of interest rate swaps under which we pay a variable rate (or fixed rate, as the case may be) and receive a fixed rate (or variable rate, as the case may be). In addition, investment securities and wholesale funding strategies are used to manage interest rate risk.

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Derivative financial instruments that are designated as accounting hedges are classified as either cash flow or fair value hedges. The change in fair value of cash flow hedges is recognized in other comprehensive income. Fair value hedges recognize in earnings both the effect of the change in the fair value of the derivative financial instrument and the offsetting effect of the change in fair value of the hedged asset or liability associated with the particular risk of that asset or liability being hedged. We have other derivative financial instruments that are not designated as accounting hedges, but are used for interest rate risk management purposes and as effective economic hedges. Derivative financial instruments that are not accounted for as accounting hedges are marked to market through earnings.

Our policy requires all non-customer derivative financial instruments be used only for asset/liability management through the hedging of specific transactions, positions or risks, and not for trading or speculative purposes. Management believes that the risk associated with using derivative financial instruments to mitigate interest rate risk sensitivity is appropriately monitored and controlled and will not have any material adverse effect on financial condition or results of operations. In order to mitigate potential credit risk, from time to time we may require the counterparties to derivative contracts to pledge cash and/or securities as collateral to cover the net exposure.

ITEM 8.    FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA.

The consolidated financial statements of the registrant and report of independent registered public accounting firm are included herein on the pages that follow.

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MANAGEMENT’S REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING

The management of United Community Banks, Inc. is responsible for establishing and maintaining adequate internal control over financial reporting. Internal control over financial reporting is defined in Rule 13a-15(f) promulgated under the Securities Exchange Act of 1934 as a process designed by, or under the supervision of, the company’s principal executive and principal financial officers and affected by the company’s board of directors, management and other personnel, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles and includes those policies and procedures that:

•Pertain to the maintenance of records that in reasonable detail accurately and fairly reflect the transactions and dispositions of the assets of the company;

•Provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with accounting principles generally accepted in the United States of America, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and

•Provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Management has assessed the effectiveness of the internal control over financial reporting as of December 31, 2020. In making this assessment, we used the criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). Management also conducted an assessment of requirements pertaining to Section 112 of the Federal Deposit Insurance Corporation Improvement Act. This section relates to management’s evaluation of internal control over financial reporting, including controls over the preparation of financial statements in accordance with the instructions to the Consolidated Financial Statements for Bank Holding Companies (Form FR Y-9C) and in compliance with laws and regulations. In conducting the evaluation of the effectiveness of its internal control over financial reporting, including controls over the preparation of financial statements in accordance with the instructions to the Consolidated Financial Statements for Bank Holding Companies (Form FR Y-9C) and in compliance with laws and regulations as of December 31, 2020, the Company has excluded the operations of Three Shores Bancorporation, Inc. (“Three Shores”) including its wholly-owned subsidiary, Seaside National Bank & Trust (“Seaside”) as permitted by the guidance issued by the Office of the Chief Accountant of the Securities and Exchange Commission (not to extend more than one year beyond the date of the acquisition or for more than one annual reporting period) and as permitted by the guidance issued by the Federal Deposit Insurance Corporation noted in Part 363 – annual independent audits and reporting requirements (not to extend more than one annual part 363 assessment report). The acquisition was completed on July 1, 2020. Three Shores Bancorporation, Inc.’s assets and total revenues represent 11% and 4%, respectively, of the related consolidated financial statement amounts as of and for the year ended December 31, 2020.

Based on our assessment, management concluded that as of December 31, 2020, United Community Banks, Inc.’s internal control over financial reporting is effective based on those criteria.

The effectiveness of the Company’s internal control over financial reporting as of December 31, 2020 has been audited by PricewaterhouseCoopers LLP, an independent registered public accounting firm, as stated in their report which appears herein.

/s/ H. Lynn Harton	/s/ Jefferson L. Harralson
H. Lynn Harton	Jefferson L. Harralson
President and Chief Executive Officer	Executive Vice President and
	Chief Financial Officer

66

Report of Independent Registered Public Accounting Firm

To the Board of Directors and Shareholders

of United Community Banks, Inc.

Opinions on the Financial Statements and Internal Control over Financial Reporting

We have audited the accompanying consolidated balance sheets of United Community Banks, Inc. and its subsidiaries (the “Company”) as of December 31, 2020 and 2019, and the related consolidated statements of income, of comprehensive income (loss), of changes in shareholders’ equity and of cash flows for each of the three years in the period ended December 31, 2020, including the related notes (collectively referred to as the “consolidated financial statements”). We also have audited the Company’s internal control over financial reporting as of December 31, 2020, based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO).

In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the financial position of the Company as of December 31, 2020 and 2019, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2020 in conformity with accounting principles generally accepted in the United States of America. Also in our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2020, based on criteria established in Internal Control - Integrated Framework (2013) issued by the COSO.

Change in Accounting Principle

As discussed in Note 2 to the consolidated financial statements, the Company changed the manner in which it accounts for credit losses on financial instruments in 2020.

Basis for Opinions

The Company's management is responsible for these consolidated financial statements, for maintaining effective internal control over financial reporting, and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’s Report on Internal Control Over Financial Reporting. Our responsibility is to express opinions on the Company’s consolidated financial statements and on the Company's internal control over financial reporting based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the consolidated financial statements are free of material misstatement, whether due to error or fraud, and whether effective internal control over financial reporting was maintained in all material respects.

Our audits of the consolidated financial statements included performing procedures to assess the risks of material misstatement of the consolidated financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the consolidated financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the consolidated financial

statements. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audits also included performing such other procedures as we considered necessary in the circumstances. We believe that our audits provide a reasonable basis for our opinions.

As described in Management’s Report on Internal Control Over Financial Reporting, management has excluded the operations associated with Three Shores Bancorporation, Inc., including its wholly-owned subsidiary, Seaside National Bank & Trust (collectively “Three Shores”) from its assessment of internal control over financial reporting as of December 31, 2020 because Three Shores was acquired by the Company in a purchase business combination during 2020. We have also excluded the operations associated with Three Shores from our audit of internal control over financial reporting. The total assets and total revenues excluded from management’s assessment and our audit of internal control over financial reporting relating to the operations associated with Three Shores represent 11% and 4%, respectively, of the related consolidated financial statement amounts as of and for the year ended December 31, 2020.

Definition and Limitations of Internal Control over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. Management's assessment and our audit of United Community Banks, Inc.’s internal control over financial reporting also included controls over the preparation of financial statements in accordance with the instructions to the Consolidated Financial Statements for Bank Holding Companies (Form FR Y-9C) to comply with the reporting requirements of Section 112 of the Federal Deposit Insurance Corporation Improvement Act (FDICIA). A company’s internal control over financial reporting includes those policies and procedures that (i) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (ii) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (iii) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Critical Audit Matters

The critical audit matters communicated below are matters arising from the current period audit of the consolidated financial statements that were communicated or required to be communicated to the audit committee and that (i) relate to accounts or disclosures that are material to the consolidated financial statements and (ii) involved our especially challenging, subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matters below, providing separate opinions on the critical audit matters or on the accounts or disclosures to which they relate.

Allowance for Credit Losses - Loans

As described in Notes 1, 2, and 6 to the consolidated financial statements, the allowance for credit losses - loans represents management’s estimate of expected credit losses for the remaining estimated life of loans and leases, (collectively referred to as “loans”), as of the end of the period. As of December 31, 2020, the allowance for credit losses - loans was $137 million. Management determines the allowance for credit losses - loans using relevant available information, from internal and external sources, relating to past events, and current conditions with a one-year reasonable and supportable forecast period and a two-year straight-line reversion period. Expected credit loss rates were estimated using a regression model based on historical data from peer banks which incorporates a third party vendor’s economic forecast to predict the change in credit losses. The allowance for credit losses - loans is calculated using a discounted cash flow methodology at the loan level, with loss rates, prepayment assumptions and curtailment assumptions driven by each loan’s collateral type. At December 31, 2020, the Company adjusted the economic forecast by eliminating the initial spike in unemployment evidenced in the first half of the year to account for the impact of government stimulus programs. In addition, the

Company used a model overlay for the economic forecast for residential mortgage loans to better align losses in that portfolio to current conditions.

The principal considerations for our determination that the allowance for credit losses - loans is a critical audit matter are (i) the significant judgment by management when estimating expected credit losses, which in turn led to a high degree of auditor judgment, subjectivity and effort in performing procedures and evaluating audit evidence relating to the selection of and adjustments to the economic forecast; and (ii) the audit effort involved use of professionals with specialized skill and knowledge.

Addressing the matter involved performing procedures and evaluating audit evidence in connection with forming our overall opinion on the consolidated financial statements. These procedures included testing the effectiveness of controls relating to the Company’s allowance for credit losses estimation process, including controls over the selection of and adjustments to the economic forecast. Our procedures also included, among others, (i) testing management’s process for determining the allowance for credit losses - loans, (ii) evaluating the appropriateness of management’s methodology (iii) testing the completeness and accuracy of the data and (iv) evaluating the reasonableness of the selection of and adjustments to the economic forecast, which also involved the use of professionals with specialized skill and knowledge to assist in performing these procedures.

Initial Valuation of Acquired Loans - Three Shores

As described in Notes 1 and 3 to the consolidated financial statements, during 2020 the Company completed the acquisition of Three Shores. The acquisition included a fair value of acquired loans balance of $1.428 billion. Purchased loans are recorded at fair value on the date of acquisition. Fair values for acquired loans are generally based on a discounted cash flow methodology that considers credit loss expectations, market interest rates and other market factors such as liquidity from the perspective of a market participant. The probability of default, loss given default and prepayment assumptions are the key factors driving credit losses which were embedded into the estimated cash flows. These assumptions were informed by internal data on loan characteristics, historical loss experience, and current and forecasted economic conditions. The interest and liquidity component of the estimate was determined by discounting interest and principal cash flows through the expected life of each loan. The discount rates used for loans are based on current market rates for new originations of comparable loans and include adjustments for liquidity.

The principal considerations for our determination that performing procedures relating to the initial valuation of acquired loans in the acquisition of Three Shores is a critical audit matter are (i) the significant judgment by management to determine the fair value of the acquired loans, which in turn led to a high degree of auditor judgment, subjectivity and effort in performing procedures and evaluating audit evidence relating to the discount rate, probability of default, and loss given default assumptions used to determine the fair value of the acquired loans; (ii) the audit effort involved the use of professionals with specialized skill and knowledge.

Addressing the matter involved performing procedures and evaluating audit evidence in connection with forming our overall opinion on the consolidated financial statements. These procedures included testing the effectiveness of controls relating to management’s initial valuation of the acquired loans, including controls over the assumptions. These procedures also included, among others (i) testing the completeness and accuracy of data provided by management, (ii) using professionals with specialized skills and knowledge to assist with (a) developing an independent estimate of fair value for a sample of acquired loan portfolios, and (b) comparing the independent estimate to management’s estimate to evaluate the reasonableness of management’s estimate. Developing the independent estimate of fair value involved (i) independently developing the discount rate, probability of default and loss given default assumptions using contractual loan terms and external market data and (ii) independently determining the discounted cash flows to estimate the fair value of the acquired loans.

/s/ PricewaterhouseCoopers LLP

Atlanta, Georgia

February 25, 2021

We have served as the Company’s auditor since 2013.

67

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Consolidated Balance Sheets

As of December 31, 2020 and 2019

(in thousands, except share data)

	2020		2019
ASSETS
Cash and due from banks	$	148,896	$	125,844
Interest-bearing deposits in banks	1,459,723		389,362
Cash and cash equivalents	1,608,619		515,206
Debt securities available-for-sale	3,224,721		2,274,581
Debt securities held-to-maturity (fair value $437,193 and $287,904, respectively)	420,361		283,533
Loans held for sale at fair value	105,433		58,484
Loans and leases held for investment	11,370,815		8,812,553
Less allowance for credit losses - loans and leases	(137,010)		(62,089)
Loans and leases, net	11,233,805		8,750,464
Premises and equipment, net	218,489		215,976
Bank owned life insurance	201,969		202,664
Accrued interest receivable	47,672		32,660
Net deferred tax asset	38,411		34,059
Derivative financial instruments	86,666		35,007
Goodwill and other intangible assets, net	381,823		342,247
Other assets	226,405		171,135
Total assets	$	17,794,374	$	12,916,016
LIABILITIES AND SHAREHOLDERS’ EQUITY
Liabilities:
Deposits:
Noninterest-bearing demand	$	5,390,291	$	3,477,979
Interest-bearing deposits	9,842,067		7,419,265
Total deposits	15,232,358		10,897,244
Long-term debt	326,956		212,664
Derivative financial instruments	29,003		15,516
Accrued expenses and other liabilities	198,527		154,900
Total liabilities	15,786,844		11,280,324
Commitments and contingencies
Shareholders' equity:
Preferred stock, $1 par value: 10,000,000 shares authorized; Series I, $25,000 per share liquidation   preference; 4,000 and no shares issued and outstanding, respectively	96,422		—
Common stock, $1 par value; 150,000,000 shares authorized; 86,675,279 and 79,013,729 shares issued and outstanding, respectively	86,675		79,014
Common stock issuable; 600,834 and 664,640 shares, respectively	10,855		11,491
Capital surplus	1,638,999		1,496,641
Retained earnings	136,869		40,152
Accumulated other comprehensive income	37,710		8,394
Total shareholders’ equity	2,007,530		1,635,692
Total liabilities and shareholders’ equity	$	17,794,374	$	12,916,016

See accompanying notes to consolidated financial statements.

68

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Consolidated Statements of Income

For the Years Ended December 31, 2020, 2019 and 2018

(in thousands, except per share data)

	2020		2019		2018
Interest revenue:
Loans, including fees	$	494,212	$	476,039	$	420,383
Investment securities:
Taxable	55,031		69,920		73,496
Tax exempt	7,043		4,564		4,189
Deposits in banks and short-term investments	1,710		2,183		2,012
Total interest revenue	557,996		552,706		500,080
Interest expense:
Deposits	41,772		66,856		39,543
Short-term borrowings	3		838		1,112
Federal Home Loan Bank advances	28		2,697		6,345
Long-term debt	14,434		12,921		14,330
Total interest expense	56,237		83,312		61,330
Net interest revenue	501,759		469,394		438,750
Provision for credit losses	80,434		13,150		9,500
Net interest revenue after provision for credit losses	421,325		456,244		429,250
Noninterest income:
Service charges and fees	32,401		36,797		35,997
Mortgage loan gains and related fees	76,087		27,145		19,010
Wealth management fees	9,240		6,150		5,191
Gains from other loan sales, net	5,420		6,867		9,277
Securities gains (losses), net	748		(1,021)		(656)
Other	32,213		28,775		24,142
Total noninterest income	156,109		104,713		92,961
Total revenue	577,434		560,957		522,211
Noninterest expenses:
Salaries and employee benefits	224,060		196,440		181,015
Occupancy	25,791		23,350		22,781
Communications and equipment	27,149		24,613		21,277
Professional fees	18,032		17,028		15,540
Lending and loan servicing expense	10,993		9,416		8,697
Outside services - electronic banking	7,513		7,020		6,623
Postage, printing and supplies	6,779		6,370		6,416
Advertising and public relations	15,203		6,170		5,991
FDIC assessments and other regulatory charges	5,982		4,901		8,491
Amortization of intangibles	4,168		4,938		6,846
Merger-related and other charges	7,018		6,907		5,414
Other	15,301		15,092		17,194
Total noninterest expenses	367,989		322,245		306,285
Income before income taxes	209,445		238,712		215,926
Income tax expense	45,356		52,991		49,815
Net income	$	164,089	$	185,721	$	166,111
Net income available to common shareholders	$	159,269	$	184,346	$	164,927
Income per common share:
Basic	$	1.91	$	2.31	$	2.07
Diluted	1.91		2.31		2.07
Weighted average common shares outstanding:
Basic	83,184		79,700		79,662
Diluted	83,248		79,708		79,671

See accompanying notes to consolidated financial statements.

69

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Consolidated Statements of Comprehensive Income (Loss)

For the Years Ended December 31, 2020, 2019 and 2018

(in thousands, except per share data)

	2020						2019						2018
	Before-tax Amount		Tax (Expense) Benefit		Net of Tax Amount		Before-tax Amount		Tax (Expense) Benefit		Net of Tax Amount		Before-tax Amount		Tax (Expense) Benefit		Net of Tax Amount
Net income	$	209,445	$	(45,356)	$	164,089	$	238,712	$	(52,991)	$	185,721	$	215,926	$	(49,815)	$	166,111
Other comprehensive income (loss):
Unrealized gains (losses) on available-for- sale securities:
Unrealized holding gains (losses) arising during period	39,385		(9,514)		29,871		64,749		(15,696)		49,053		(24,990)		6,081		(18,909)
Reclassification adjustment for losses (gains) recognized in net income	(748)		191		(557)		1,021		(247)		774		656		(132)		524
Net unrealized gains (losses)	38,637		(9,323)		29,314		65,770		(15,943)		49,827		(24,334)		5,949		(18,385)
Amortization of losses included in net income on available-for-sale securities transferred to held-to-maturity	723		(173)		550		383		(92)		291		739		(180)		559
Derivative instruments designated as cash flow hedges:
Amortization of losses included in net income on terminated derivative financial instruments previously accounted for as cash flow hedges	—		—		—		337		(86)		251		499		(129)		370
Unrealized holding losses on derivatives arising during the period	(149)		38		(111)		—		—		—		—		—		—
Reclassification of losses on derivative instruments recognized in net income	359		(91)		268		—		—		—		—		—		—
Net cash flow hedge activity	210		(53)		157		337		(86)		251		499		(129)		370
Defined benefit pension plan activity:
Termination of defined benefit pension plan	—		—		—		1,558		(398)		1,160		—		—		—
Amendments to defined benefit pension plans	—		—		—		(386)		99		(287)		(413)		105		(308)
Net actuarial (loss) gain on defined benefit pension plans	(1,804)		461		(1,343)		(2,390)		610		(1,780)		1,015		(259)		756
Amortization of prior service cost and actuarial losses included in net periodic pension cost for defined benefit pension plans	857		(219)		638		699		(178)		521		907		(247)		660
Net defined benefit pension plan activity	(947)		242		(705)		(519)		133		(386)		1,509		(401)		1,108
Total other comprehensive income (loss)	38,623		(9,307)		29,316		65,971		(15,988)		49,983		(21,587)		5,239		(16,348)
Comprehensive income	$	248,068	$	(54,663)	$	193,405	$	304,683	$	(68,979)	$	235,704	$	194,339	$	(44,576)	$	149,763

See accompanying notes to consolidated financial statements.

70

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Consolidated Statements of Changes in Shareholders’ Equity

For the Years Ended December 31, 2020, 2019 and 2018

(in thousands except share data) 

	Shares of Common Stock	Preferred Stock		Common Stock		Common Stock Issuable		Capital Surplus		Retained Earnings (Accumulated Deficit)		Accumulated Other Comprehensive Income (Loss)		Total
December 31, 2017	77,579,561	$	—	$	77,580	$	9,083	$	1,451,814	$	(209,902)	$	(25,241)	$	1,303,334
Net income										166,111				166,111
Other comprehensive loss												(16,348)		(16,348)
Common stock issued for acquisitions	1,443,987			1,444				44,302						45,746
Common stock dividends ($0.58 per share)										(46,628)				(46,628)
Impact of equity-based compensation awards	137,067			137		1,931		2,143						4,211
Impact of other United sponsored equity plans	73,462			73		(270)		1,325						1,128
December 31, 2018	79,234,077	—		79,234		10,744		1,499,584		(90,419)		(41,589)		1,457,554
Net income										185,721				185,721
Other comprehensive income												49,983		49,983
Purchases of common stock	(500,495)			(500)				(12,520)						(13,020)
Common stock dividends ($0.68 per share)										(54,601)				(54,601)
Impact of equity-based compensation awards	122,100			122		1,476		6,532						8,130
Impact of other United sponsored equity plans	158,047			158		(729)		3,045						2,474
Adoption of new accounting standard										(549)				(549)
December 31, 2019	79,013,729	—		79,014		11,491		1,496,641		40,152		8,394		1,635,692
Net income										164,089				164,089
Other comprehensive income												29,316		29,316
Issuance of preferred stock		96,422												96,422
Common stock issued for acquisitions	8,130,633			8,131				155,458						163,589
Purchases of common stock	(826,482)			(827)				(19,955)						(20,782)
Preferred stock dividends										(3,533)				(3,533)
Common stock dividends ($0.72 per share)										(60,310)				(60,310)
Impact of equity-based compensation awards	202,437			202		1,120		4,764						6,086
Impact of other United sponsored equity plans	154,962			155		(1,756)		2,091						490
Adoption of new accounting standard										(3,529)				(3,529)
December 31, 2020	86,675,279	$	96,422	$	86,675	$	10,855	$	1,638,999	$	136,869	$	37,710	$	2,007,530

See accompanying notes to consolidated financial statements

71

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Consolidated Statements of Cash Flows

For the Years Ended December 31, 2020, 2019 and 2018

(in thousands)

	2020		2019		2018
Operating activities:
Net income	$	164,089	$	185,721	$	166,111
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion	(8,586)		23,952		30,971
Provision for credit losses	80,434		13,150		9,500
Stock-based compensation	7,887		9,360		6,057
Deferred income tax expense	2,668		14,909		32,630
Securities (gains) losses, net	(748)		1,021		656
Gains from other loan sales, net	(5,420)		(6,867)		(9,277)
Changes in assets and liabilities:
(Increase) decrease in other assets and accrued interest receivable	(20,139)		(45,789)		13,195
(Decrease) increase in accrued expenses and other liabilities	(14,783)		(1,975)		3,772
(Increase) decrease in loans held for sale	(46,721)		(39,549)		16,391
Net cash provided by operating activities	158,681		153,933		270,006
Investing activities:
Debt securities held-to-maturity:
Proceeds from maturities and calls	57,981		50,379		58,605
Purchases	(157,465)		(59,629)		(11,983)
Debt securities available-for-sale and equity securities with readily determinable fair values:
Proceeds from sales	40,625		352,106		168,891
Proceeds from maturities and calls	834,725		349,758		346,505
Purchases	(1,456,311)		(294,245)		(566,333)
Net increase in loans	(1,069,089)		(205,612)		(291,890)
Net cash received in (paid for) acquisitions	195,699		(19,545)		(56,800)
Purchases of premises and equipment	(18,462)		(20,944)		(17,617)
Proceeds from sales of premises and equipment	903		6,595		6,483
Proceeds from sale of other real estate owned	1,074		2,439		4,664
Other investing activities, net	(10,243)		1,916		—
Net cash (used in) provided by investing activities	(1,580,563)		163,218		(359,475)
Financing activities:
Net increase in deposits	2,534,471		151,401		727,839
Net decrease in short-term borrowings	—		—		(264,923)
Proceeds from Federal Home Loan Bank advances	5,000		1,625,000		2,860,000
Repayment of Federal Home Loan Bank advances	(134,121)		(1,785,000)		(3,204,003)
Repayment of long-term debt	—		(55,266)		(71,831)
Proceeds from issuance of long-term debt, net of issuance costs	98,552		—		98,188
Proceeds from issuance of common stock for dividend reinvestment and employee benefit plans	1,317		2,193		679
Proceeds from exercise of stock options	—		212		142
Cash paid for shares withheld to cover payroll taxes upon vesting of restricted stock units	(3,119)		(1,686)		(1,998)
Repurchase of common stock	(20,782)		(13,020)		—
Proceeds from issuance of Series I preferred stock, net of issuance costs	96,422		—		—
Cash dividends on common stock	(58,912)		(53,044)		(41,634)
Cash dividends on preferred stock	(3,533)		—		—
Net cash provided by (used in) financing activities	2,515,295		(129,210)		102,459
Net change in cash and cash equivalents, including restricted cash	1,093,413		187,941		12,990
Cash and cash equivalents, including restricted cash, at beginning of year	515,206		327,265		314,275
Cash and cash equivalents, including restricted cash, at end of year	$	1,608,619	$	515,206	$	327,265
Supplemental disclosures of cash flow information:
Cash paid during the period for:
Interest	$	59,967	$	85,973	$	56,830
Income taxes	36,536		33,776		7,880

See accompanying notes to consolidated financial statements.

72

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(1)    Summary of Significant Accounting Policies

See the Glossary of Defined Terms at the beginning of this Report for terms used herein. The accounting principles followed by United and the methods of applying these principles conform with GAAP and with general practices within the banking industry. The following is a description of the significant policies.

Organization and Basis of Presentation

The Holding Company is a bank holding company subject to the regulation of the Board of Governors of the Federal Reserve whose principal business is conducted by its wholly-owned commercial bank subsidiary, United Community Bank (the “Bank”). United is subject to regulation under the BHC Act. The consolidated financial statements include the accounts of the Holding Company, the Bank and other wholly-owned subsidiaries. All significant intercompany accounts and transactions have been eliminated in consolidation.

The Bank is a Georgia state chartered commercial bank that serves both rural and metropolitan markets in Georgia, South Carolina, North Carolina, Tennessee and Florida and provides a full range of banking services. The Bank is insured and subject to the regulation of the FDIC and is also subject to the regulation of the GADBF.

Use of Estimates

In preparing the consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the dates of the balance sheet and revenue and expenses for the years then ended. Actual results could differ significantly from those estimates. Material estimates that are particularly susceptible to significant change are the determination of the ACL, the valuation of acquired loans, the valuation of real estate acquired in connection with foreclosures or in satisfaction of loans, the valuation of goodwill and separately identifiable intangible assets associated with mergers and acquisitions, and the valuation of deferred tax assets.

Operating Segments

Operating segments are components of a business about which separate financial information is available and evaluated regularly by the chief operating decision maker in deciding how to allocate resources and assessing performance. Public companies are required to report certain financial information about operating segments in interim and annual financial statements. United’s community banking operations are divided among geographic regions and local community banks within those regions. Those regions and banks have similar economic characteristics and are therefore considered to be one operating segment.

Additionally, management assessed other operating units to determine if they should be classified and reported as segments, including Mortgage, Wealth Management and Commercial Banking Solutions. Qualitatively, these business units are primarily operating in the same geographic footprint as the community banks and face many of the same customers as the community banks. While the chief operating decision maker does have some limited production information for these entities, that information is not complete since it does not include a full allocation of revenue, costs and capital from key corporate functions. The business units are currently viewed more as a product line extension of the community banks. However, management will continue to evaluate these business units for separate reporting as facts and circumstances change.

Based on this analysis, United concluded that it has one operating and reportable segment.

Cash and Cash Equivalents

Cash equivalents include amounts due from banks, interest-bearing deposits in banks, federal funds sold, commercial paper, reverse repurchase agreements and short-term investments and are carried at cost. Federal funds are generally sold for one-day periods, interest-bearing deposits in banks are available on demand and commercial paper investments and reverse repurchase agreements mature within a period of less than 90 days. A portion of the cash on hand and on deposit with the Federal Reserve Bank of Atlanta was required to meet regulatory reserve requirements.

Investment Securities

Debt Securities: Debt securities are classified as held-to-maturity and carried at amortized cost when management has the positive intent and ability to hold them to maturity. Debt securities are classified as available-for-sale when they may be sold before maturity. Securities available-for-sale are carried at fair value, with unrealized holding gains and losses reported in other comprehensive income, net of tax.

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Interest income includes amortization of purchase premiums or discounts. Premiums and discounts on securities are generally amortized or accreted on the level-yield method without anticipating prepayments, except for mortgage-backed securities where prepayments are anticipated. Premiums on callable debt securities are amortized to their earliest call date. Gains and losses on sales are recorded on the trade date and determined using the specific identification method.

Transfers of securities between categories are recorded at fair value at the date of transfer. Unrealized holding gains or losses associated with transfers of securities from available-for-sale to held-to-maturity are included in the balance of AOCI in the consolidated balance sheets. These unrealized holding gains or losses are amortized/accreted into income over the remaining life of the security as an adjustment to the yield in a manner consistent with the amortization or accretion of the original purchase premium or discount on the associated security.

A debt security is placed on nonaccrual status at the time any principal or interest payments become 90 days delinquent. Interest accrued but not received for a security placed on nonaccrual is reversed against interest income.

ACL - Held-to-Maturity Securities: Since the adoption of ASC 326, management measures current expected credit losses on held-to-maturity debt securities on a collective basis by major security type. Accrued interest receivable on held-to-maturity debt securities totaled $1.78 million at December 31, 2020 and was excluded from the estimate of credit losses.

The estimate of current expected credit losses considers historical credit loss information that is adjusted for current conditions and reasonable and supportable forecasts. Management classifies the held-to-maturity portfolio into the following major security types: U.S. Government agencies and GSEs, state and political subdivisions, residential mortgage-backed, agency and GSEs and commercial mortgage-backed, agency and GSEs.

All of the residential and commercial mortgage-backed securities held by United as held-to-maturity are issued by U.S. Government agencies and GSEs. These securities are either explicitly or implicitly guaranteed by the U.S. government, are highly rated by major rating agencies and have a long history of no credit losses. The state and political subdivision securities are highly rated by major rating agencies.

ACL - Available-For-Sale Securities: For available-for-sale debt securities in an unrealized loss position, United first assesses whether it intends to sell, or whether it is more likely than not that it will be required to sell the security before recovery of its amortized cost basis. If either of the criteria regarding intent or requirement to sell is met, the security's amortized cost basis is written down to fair value through income. For debt securities available-for-sale that do not meet the aforementioned criteria, United evaluates whether the decline in fair value has resulted from credit losses or other factors. In making this assessment, management considers the extent to which fair value is less than amortized cost, any changes to the rating of the security by a rating agency, and adverse conditions specifically related to the security, among other factors. If this assessment indicates that a credit loss exists, the present value of cash flows expected to be collected from the security are compared to the amortized cost basis of the security. Since the adoption of ASC 326, if the present value of cash flows expected to be collected is less than the amortized cost basis, a credit loss exists and an ACL is recorded for the credit loss, limited by the amount that the fair value is less than the amortized cost basis. Any amount of unrealized loss that has not been recorded through an ACL is recognized in other comprehensive income.

Changes in the ACL are recorded as provision for (or reversal of) credit loss expense. Losses are charged against the ACL when management believes the uncollectability of an available-for-sale security is confirmed or when either of the criteria regarding intent or requirement to sell is met.

Accrued interest receivable on available-for-sale debt securities totaled $9.11 million at December 31, 2020 and was excluded from the estimate of credit losses.

Equity securities: Equity securities are included in other assets on the consolidated balance sheets. Those with readily determinable fair values are carried at fair value with changes in fair value recognized in net income. Those without readily determinable fair values include, among others, FHLB stock held to meet FHLB requirements related to outstanding advances and CRA equity investments, including those where the returns are primarily derived from LIHTC. Our investment in FHLB stock, which totaled $13.3 million at December 31, 2020, is accounted for using the cost method of accounting. Our LIHTC investments are accounted for using the proportional amortization method of accounting for qualified affordable housing investments which

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Notes to Consolidated Financial Statements

(1)    Summary of Significant Accounting Policies, continued

results in the amortization being reported as a component of income tax expense. Our obligations related to unfunded commitments for our LIHTC investments are reported in other liabilities. Our other CRA investments are accounted for using the equity method of accounting. As conditions warrant, we review our investments for impairment and will adjust the carrying value of the investment if it is deemed to be impaired.

Loans Held for Sale

United has elected the fair value option for mortgage loans held for sale in order to reduce certain timing differences and match changes in fair values of the loans with changes in the fair value of derivative instruments used to economically hedge them.

Loans and Leases

Loans that management has the intent and ability to hold for the foreseeable future or until maturity or payoff are reported at amortized cost. Amortized cost is the principal balance outstanding, net of purchase premiums and discounts and deferred fees and costs. Accrued interest receivable related to loans totaled $35.5 million at December 31, 2020 and was reported in accrued interest receivable on the consolidated balance sheets. Interest income is accrued on the unpaid principal balance. Loan origination fees, net of certain direct origination costs, are deferred and recognized in interest income using methods that approximate a level yield without anticipating prepayments.

Equipment Financing Lease Receivables: Equipment financing lease receivables, which are classified as sales-type or direct financing leases, are recorded as the sum of the future minimum lease payments, initial deferred costs and, if applicable, estimated or contractual residual values less unearned income and security deposits. For lease receivables with a residual value, the determination of such value is derived from a variety of sources including equipment valuation services, appraisals, and publicly available market data on recent sales transactions on similar equipment. The length of time until contract termination, the cyclical nature of equipment values and the limited marketplace for re-sale of certain leased assets are important variables considered in making this determination. Interest income, which is included in loan interest revenue in the consolidated statements of income, is recognized as earned using the effective interest method. Direct fees and costs associated with the origination of leases are deferred and included as a component of equipment financing receivables. Net deferred fees or costs are recognized as an adjustment to interest income over the contractual life of the lease using the effective interest method. These lease agreements may include options to renew and for the lessee to purchase the leased equipment at the end of the lease term. United excludes sales taxes from consideration in these lease contracts.

PCD Loans (CECL): In acquisitions, United may acquire loans, some of which have experienced more than insignificant credit deterioration since origination. In those cases, United will consider internal loan grades, delinquency status and other relevant factors in assessing whether purchased loans are PCD. PCD loans are recorded at their fair value at the acquisition date. An initial ACL is determined using the same methodology as other loans held for investment and recognized as an adjustment to the acquisition price of the asset; thus, the sum of the loan's purchase price and ACL becomes its initial amortized cost basis. The difference between the initial amortized cost basis and the par value of the loan is a noncredit discount or premium, which is amortized into interest income over the life of the loan. Subsequent to initial recognition, PCD loans are subject to the same interest income recognition and impairment model as non-PCD loans, with changes to the ACL recorded through provision expense.

Upon adoption of ASC 326, loans that were designated as PCI loans under the Incurred Loss guidance were classified as PCD loans without reassessment.

PCI Loans (Incurred Loss): Prior to the adoption of ASC 326 on January 1, 2020, purchased loans with evidence of credit deterioration since origination were accounted for pursuant to ASC Topic 310-30, Loans and Debt Securities Acquired with Deteriorated Credit Quality. These PCI loans were recorded at their estimated fair value at date of purchase. After acquisition, further losses evidenced by decreases in expected cash flows were recognized by an increase in the ACL.

PCI loans were aggregated into pools of loans based on common risk characteristics such as the type of loan, payment status, or collateral type. United estimated the amount and timing of expected cash flows for each purchased loan pool and the expected cash flows in excess of the amount paid were recorded as interest income over the remaining life of the pool (accretable yield). The excess of the pool’s contractual principal and interest over expected cash flows was not recorded (nonaccretable difference).

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Over the life of the loan pool, expected cash flows continued to be estimated. If the present value of expected cash flows was less than the carrying amount, a loss was recorded. If the present value of expected cash flows was greater than the carrying amount, it was recognized as part of future interest revenue.

Nonaccrual Loans: The accrual of interest is generally discontinued when a loan becomes 90 days past due or when management believes, after considering economic and business conditions and collection efforts, that the principal or interest will not be collectable in the normal course of business. A loan may continue to accrue interest after 90 days if it is well collateralized and in the process of collection. Past due status is based on contractual terms of the loan. During 2020, United granted loan payment deferrals in accordance with the CARES Act and interagency guidance for certain borrowers experiencing temporary cash flow shortages as a result of the COVID-19 pandemic. During the temporary payment deferral period, these loans are not considered past due.

All interest accrued but not received for loans placed on nonaccrual is reversed against interest income. Interest received on such loans is accounted for using the cost-recovery method, until qualifying for return to accrual. Under the cost-recovery method, interest income is not recognized until the loan balance is reduced to zero. Loans are returned to accrual status when all the principal and interest amounts contractually due are brought current, there is a sustained period of repayment performance and future payments are reasonably assured.

TDRs: A loan for which the terms have been modified resulting in a more than insignificant concession, and for which the borrower is experiencing financial difficulties, is generally considered to be a TDR. Modified terms that result in a TDR include one or a combination of the following: a reduction of the stated interest rate of the loan, an extension of the amortization period that would not otherwise be considered in the current market for new debt with similar risk characteristics; a restructuring of the borrower’s debt into an “A/B note structure” in which the A note would fall within the borrower’s ability to pay and the remainder would be included in the B note; a mandated bankruptcy restructuring; or interest-only payment terms greater than 90 days where the borrower is unable to amortize the loan.

Collateral dependent TDRs that subsequently default or are placed on nonaccrual are charged down to the fair value of the collateral consistent with United’s policy for nonaccrual loans. 

As discussed in Note 2, in accordance with the CARES Act, United implemented loan modification programs in response to the COVID-19 pandemic in order to provide borrowers with flexibility with respect to repayment terms. These loan modifications were not considered TDRs to the extent that the borrower was impacted by the COVID-19 pandemic and was not more than 30 days past due at December 31, 2019, or in certain circumstances, at the time that the COVID-19 loan modification program was implemented, unless the loan was previously classified as a TDR.

Impaired Loans (Incurred Loss): With the exception of PCI loans, a loan is considered impaired when, based on current events and circumstances, it is probable that all amounts due, according to the contractual terms of the loan, will not be collected. Individually impaired loans are measured based on the present value of expected future cash flows, discounted at the loan’s effective interest rate, at the loan’s observable market price, or the fair value of the collateral if the loan is collateral dependent. Interest revenue on impaired loans is discontinued when the loans meet the criteria for nonaccrual status. Factors considered by management in determining impairment include payment status, collateral value, and the probability of collecting scheduled principal and interest payments when due. Loans that experience insignificant payment delays and payment shortfalls generally are not considered impaired. Management determines the significance of payment delays and payment shortfalls on a case-by-case basis, taking into consideration all of the circumstances surrounding the loan and borrower, including the length of the delay, the reasons for the delay, the borrower’s prior payment record, and the amount of the shortfall in relation to the principal and interest owed.

PCI loans are considered to be impaired when it is probable that United will be unable to collect all the cash flows expected at acquisition, plus additional cash flows expected to be collected arising from changes in estimates after acquisition. Loans that are accounted for in pools are evaluated collectively for impairment on a pool by pool basis based on expected pool cash flows. Discounts continue to be accreted as long as there are expected future cash flows in excess of the current carrying amount of the specifically-reviewed loan or pool. 

Prior to the implementation of CECL, management individually evaluated certain impaired loans on a quarterly basis, including all non-PCI nonaccrual relationships with a balance of $500,000 or greater and all TDRs for impairment. Impairment for

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collateral dependent loans within this population is measured based on the fair value of the collateral. If impairment is identified, the loan is generally charged down to the fair value of the underlying collateral, less selling costs. Impairment for non-collateral dependent TDRs within this population is measured based on discounted cash flows or the loan’s observable market price. Impairment identified using these methods would result in the establishment of a specific reserve.

Concentration of Credit Risk: Most of United’s business activity is with customers located within the markets where it has banking operations. Therefore, United’s exposure to credit risk is significantly affected by changes in the economy within its markets. Approximately 69% of United’s loan portfolio is secured by real estate and is therefore susceptible to changes in real estate valuations.

ACL- Loans

United implemented CECL upon adoption of ASC 326 on January 1, 2020. The following discussion provides a description of the methodology applied to calculate the ACL under CECL for 2020 and under the Incurred Loss method for periods prior to 2020.

CECL: The ACL is a valuation account that is deducted from the loans' amortized cost basis to present the net amount expected to be collected on the loans. Loans are charged off against the ACL when management believes the uncollectability of a loan balance is confirmed. Accrued interest receivable is excluded from the estimate of credit losses.

Management determines the ACL balance using relevant available information, from internal and external sources, relating to past events, current conditions, and reasonable and supportable forecasts. Historical credit behaviors along with model judgments provide the basis for the estimation of expected credit losses. Adjustments to modeled loss estimates may be made for differences in current loan-specific risk characteristics such as differences in underwriting standards, portfolio mix, delinquency level, or term as well as for changes in environmental conditions, such as changes in economic conditions, property values, or other relevant factors.

The ACL-loans is measured on a collective basis when similar risk characteristics exist. United has identified the following portfolio segments and calculates the ACL for each using a discounted cash flow methodology at the loan level, with loss rates, prepayment assumptions and curtailment assumptions driven by each loan’s collateral type:

Owner occupied commercial real estate - Loans in this category are susceptible to business failure and general economic conditions.

Income producing commercial real estate - Common risks for this loan category are declines in general economic conditions, declines in real estate value, declines in occupancy rates, and lack of suitable alternative use for the property.

Commercial & industrial - Risks to this loan category include the inability to monitor the condition of the collateral, which often consists of inventory, accounts receivable and other non-real estate assets. Equipment and inventory obsolescence can also pose a risk. Declines in general economic conditions and other events can cause cash flows to fall to levels insufficient to service debt.

Commercial construction - Risks common to commercial construction loans are cost overruns, changes in market demand for property, inadequate long-term financing arrangements and declines in real estate values.

Equipment financing - Risks associated with equipment financing are similar to those described for commercial and industrial loans, including general economic conditions, as well as appropriate lien priority on equipment, equipment obsolescence and the general mobility of the collateral.

Residential mortgage - Residential mortgage loans are susceptible to weakening general economic conditions, increases in unemployment rates and declining real estate values.

Home equity lines of credit - Risks common to home equity lines of credit are general economic conditions, including an increase in unemployment rates, and declining real estate values that reduce or eliminate the borrower’s home equity.

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Residential construction - Residential construction loans are susceptible to the same risks as residential mortgage loans. Changes in market demand for property lead to longer marketing times resulting in higher carrying costs and declining values.

Consumer - Risks common to consumer direct loans include unemployment and changes in local economic conditions as well as the inability to monitor collateral consisting of personal property.

Indirect auto - Risks common to indirect auto loans include unemployment and changes in local economic conditions as well as the inability to monitor collateral. During 2019, United sold its portfolio of indirect auto loans.

When management determines that foreclosure is probable or when the borrower is experiencing financial difficulty at the reporting date and repayment is expected to be provided substantially through the operation or sale of the collateral, expected credit losses are based on the fair value of the collateral at the reporting date, adjusted for selling costs as appropriate.

When the discounted cash flow method is used to determine the ACL, management adjusts the effective interest rate used to discount expected cash flows to incorporate expected prepayments. The ACL on a TDR is measured using the same method as all other loans held for investment, except that the original interest rate is used to discount the expected cash flows, not the rate specified within the restructuring.

Determining the Contractual Term: Expected credit losses are estimated over the contractual term of the loans, adjusted for expected prepayments when appropriate. The contractual term excludes expected extensions, renewals, and modifications unless either of the following applies: management has a reasonable expectation at the reporting date that a TDR will be executed with an individual borrower or the extension or renewal options are included in the original or modified contract at the reporting date and are not unconditionally cancellable by United.

Incurred Loss ACL: Under the Incurred Loss method, the ACL represents an amount, which, in management’s judgment, is adequate to absorb probable losses on existing loans as of the date of the balance sheet. The Incurred Loss ACL is composed of general reserves, specific reserves, and PCI reserves. General reserves are determined by applying loss percentages to the individual loan categories that are based on actual historical loss experience. Additionally, the general economic and business conditions affecting key lending areas, credit quality trends, collateral values, loan volumes and concentrations, seasoning of the loan portfolio, the findings of internal and external credit reviews and results from external bank regulatory examinations are considered in this evaluation. The need for specific reserves was evaluated on nonaccrual loan relationships greater than $500,000 and all TDRs. The specific reserves were determined on a loan-by-loan basis based on management’s evaluation of United’s exposure for each credit, given the current payment status of the loan and the value of any underlying collateral. Loans for which specific reserves are provided are excluded from the calculation of general reserves. For PCI loans, a valuation allowance is established when it is probable that the Company will be unable to collect all the cash flows expected at acquisition plus additional cash flows expected to be collected arising from changes in estimate after acquisition.

ACL - Off-Balance Sheet Credit Exposures

Management estimates expected credit losses on commitments to extend credit over the contractual period during which United is exposed to credit risk on the underlying commitments. The ACL on off-balance sheet credit exposures is adjusted as a provision for credit loss expense. The estimate includes consideration of the likelihood that funding will occur and an estimate of expected credit losses on commitments expected to be funded over its estimated life. The ACL is calculated using the same aggregate reserve rates calculated for the funded portion of loans at the portfolio level applied to the amount of commitments expected to fund.

Premises and Equipment

Premises and equipment are stated at cost less accumulated depreciation. Depreciation is computed primarily using the straight line method over the estimated useful lives of the related assets. Costs incurred for maintenance and repairs are expensed as incurred. The range of estimated useful lives for buildings and improvements is 10 to 40 years, for land improvements, 10 years, and for furniture and equipment, 3 to 10 years. United periodically reviews the carrying value of premises and equipment for impairment whenever events or circumstances indicate that the carrying amount of such assets may not be fully recoverable.

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Foreclosed Properties (Other Real Estate Owned)

Foreclosed property is initially recorded at fair value, less cost to sell. If the fair value, less cost to sell at the time of foreclosure is less than the loan balance, the deficiency is recorded as a loan charge-off against the ACL. If the fair value, less cost to sell, of the foreclosed property decreases during the holding period, a valuation allowance is established with a charge to operating expenses. When the foreclosed property is sold, a gain or loss is recognized on the sale for the difference between the sales proceeds and the carrying amount of the property.

Goodwill and Other Intangible Assets

Goodwill is an asset representing the future economic benefits from other assets acquired that are not individually identified and separately recognized. Goodwill is measured as the excess of the consideration transferred, net of the fair value of identifiable assets acquired and liabilities assumed at the acquisition date. Goodwill is not amortized, but instead is tested for impairment annually or more frequently if events or circumstances exist that indicate a goodwill impairment test should be performed.

Other intangible assets, which are initially recorded at fair value, consist of core deposit intangible assets and noncompete agreements resulting from acquisitions. Core deposit intangible assets are amortized on a sum-of-the-years-digits basis over their estimated useful lives. Noncompete agreements, which were fully amortized at December 31, 2019, were amortized on a straight line basis over their estimated useful lives.

Management evaluates other intangible assets for impairment whenever events or changes in circumstances indicate the carrying amount of the asset may not be recoverable.

Transfers of Financial Assets

Transfers of financial assets are accounted for as sales when control over the assets has been relinquished. Control over transferred assets is deemed to be surrendered when the assets have been isolated from United, the transferee obtains the right, free of conditions that constrain it from taking advantage of that right, to pledge or exchange the transferred assets and United does not maintain effective control over the transferred assets through an agreement to repurchase them before maturity.

Servicing Rights

United records a separate servicing asset for SBA loans, USDA loans, and residential mortgage loans when the loan is sold but servicing is retained. This asset represents the right to service the loans and receive a fee in compensation. Servicing assets are initially recorded at their fair value as a component of the sale proceeds. The fair value of the servicing assets is based on an analysis of discounted cash flows that incorporates estimates of (1) market servicing costs, (2) market-based prepayment rates, and (3) market profit margins. Servicing assets are included in other assets.

United has elected to subsequently measure the servicing assets for government guaranteed loans and residential mortgage loans at fair value. The rate of prepayment of loans serviced is the most significant estimate involved in the measurement process. Estimates of prepayment rates are based on market expectations of future prepayment rates, industry trends, and other considerations. Actual prepayment rates will differ from those projected by management due to changes in a variety of economic factors, including prevailing interest rates and the availability of alternative financing sources to borrowers. If actual prepayments of the loans being serviced were to occur more quickly than projected, the carrying value of servicing assets might have to be written down through a charge to earnings in the current period. If actual prepayments of the loans being serviced were to occur more slowly than had been projected, the carrying value of servicing assets could increase, and servicing income would exceed previously projected amounts.

United accounts for the servicing liabilities associated with sold equipment financing loans using the amortization method. Servicing liabilities are included in accrued expenses and other liabilities.

BOLI

United has purchased life insurance policies on certain key executives and members of management. United has also received life insurance policies on members of acquired bank management teams through acquisitions of other banks. BOLI is recorded at the amount that can be realized under the insurance contract at the balance sheet date, which is the cash surrender value adjusted for other changes or other amounts due that are probable at settlement.

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Operating Leases

Effective January 1, 2019, United records a right-of-use asset, included in other assets, and a related lease liability, included in other liabilities, for eligible operating leases for which it is the lessee, which include leases for land, buildings, and equipment. Payments related to these leases consist primarily of base rent and, in the case of building leases, additional operating costs associated with the leased property such as common area maintenance and utilities. In most cases these operating costs vary over the term of the lease, and therefore are classified as variable lease costs, which are recognized as incurred in the consolidated statement of income. In addition, certain operating leases include costs such as property taxes and insurance, which are recognized as incurred in the consolidated statement of income. Many of United’s operating leases contain renewal options, which are included in the measurement of the right-of-use asset and lease liability only to the extent they are reasonably certain to be exercised. United also subleases and leases certain real estate properties to third parties under operating leases. United does not recognize a lease liability or right-of-use asset on the consolidated balance sheet related to short-term leases with a term of less than one year. Lease payments for short-term leases are recognized as expense over the lease term.

Loan Commitments and Related Financial Instruments

Financial instruments include off-balance sheet credit instruments such as commitments to make loans and commercial letters of credit issued to meet customer financing needs. The face amount for these items represents the exposure to loss before considering customer collateral or ability to repay. Such financial instruments are recorded when they are funded.

Revenue from Contracts with Customers

In addition to lending and related activities, United offers various services to customers that generate revenue, certain of which are governed by ASC Topic 606 Revenue from Contracts with Customers. United’s services that fall within the scope of this topic are presented within noninterest income and include service charges and fees, wealth management fees, and other transaction-based fees. Revenue is recognized when the transactions occur or as services are performed over primarily monthly or quarterly periods. Payment is typically received in the period the transactions occur. Fees may be fixed or, where applicable, based on a percentage of transaction size.

Income Taxes

DTAs and DTLs are recorded for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Future tax benefits are recognized to the extent that realization of such benefits is more likely than not. DTAs and DTLs are measured using enacted tax rates expected to apply to taxable income in the years in which the assets and liabilities are expected to be recovered or settled. The effect of a change in tax rates on DTAs and DTLs is recognized in income taxes during the period that includes the enactment date.

In the event the future tax consequences of differences between the financial reporting bases and the tax bases of assets and liabilities results in DTAs, an evaluation of the probability of being able to realize the future benefits indicated by such asset is required. A valuation allowance is provided for the portion of the DTA when it is more likely than not that some or all of the DTA will not be realized. In assessing the realizability of the DTAs, management considers the scheduled reversals of DTLs, projected future taxable earnings and prudent and feasible tax planning strategies. Management weighs both the positive and negative evidence, giving more weight to evidence that can be objectively verified.

The income tax benefit or expense is the total of the current year income tax due or refundable and the change in DTAs and DTLs.

A tax position is recognized as a benefit only if it is “more likely than not” that the tax position would be sustained in a tax examination, with a tax examination being presumed to occur. The amount recognized is the largest amount of tax benefit that is greater than 50 percent likely of being realized on examination. For tax positions not meeting the “more likely than not” test, no tax benefit is recorded.

United recognizes interest and / or penalties related to income tax matters in income tax expense.

Derivative Instruments and Hedging Activities

United’s interest rate risk management strategy incorporates the use of derivative instruments to minimize fluctuations in net income that are caused by interest rate volatility. The objective is to manage interest rate sensitivity by modifying the repricing or maturity characteristics of certain balance sheet assets and liabilities so that net interest revenue and certain interest sensitive components of noninterest revenue are not, on a material basis, adversely affected by movements in interest rates. United views

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this strategy as a prudent management of interest rate risk, such that net income is not exposed to undue risk presented by changes in interest rates. In carrying out this part of its interest rate risk management strategy, management uses derivatives, primarily interest rate swaps. Interest rate swaps generally involve the exchange of fixed- and variable-rate interest payments between two parties, based on a common notional principal amount and maturity date. United has also occasionally used interest rate caps to serve as an economic macro hedge of exposure to rising interest rates.

United originates certain residential mortgage loans with the intention of selling these loans. Between the time United enters into an interest-rate lock commitment to originate a residential mortgage loan that is to be held for sale and the time the loan is funded and eventually sold, the Company is subject to the risk of variability in market prices. United enters into forward sale agreements to mitigate risk and to protect the expected gain on the eventual loan sale. The commitments to originate residential mortgage loans and forward loan sales commitments are freestanding derivative instruments which are entered into as part of an economic hedging strategy to manage exposure related to mortgage loans held for sale.

To accommodate customers, United enters into interest rate swaps or caps with certain commercial loan customers, with offsetting positions to dealers under a back-to-back swap/cap program. In addition, United occasionally enters into credit risk participation agreements with counterparty banks to accept a portion of the credit risk related to interest rate swaps. This allows customers to execute an interest rate swap with one bank while allowing for the distribution of the credit risk among participating members. Credit risk participation agreements arise when United contracts with other financial institutions, as a guarantor, to share credit risk associated with certain interest rate swaps. These agreements provide for reimbursement of losses resulting from a third party default on the underlying swap. These transactions are typically executed in conjunction with a participation in a loan with the same customer. Collateral used to support the credit risk for the underlying lending relationship is also available to offset the risk of the credit risk participation.

United classifies its derivative financial instruments as either (1) a hedge of an exposure to changes in the fair value of a recorded asset or liability (“fair value hedge”), (2) a hedge of an exposure to changes in the cash flows of a recognized asset, liability or forecasted transaction (“cash flow hedge”), or (3) derivatives not designated as accounting hedges. Changes in the fair value of derivatives not designated as hedges are recognized in current period earnings. United has master netting agreements with the derivatives dealers with which it does business, but reflects gross assets and liabilities at fair value on the consolidated balance sheets. 

United assesses hedge effectiveness at inception and over the life of the hedge. Management documents, at inception, its analysis of actual and expected hedge effectiveness. This analysis includes techniques such as regression analysis and hypothetical derivatives to demonstrate that the hedge is expected to be highly effective in offsetting corresponding changes in the fair value or cash flows of the hedged item. At least quarterly thereafter, the terms of the hedging instrument and the hedged item are assessed to determine whether a material change has occurred relating to the hedge relationship. If it is determined that a change has occurred, a quantitative analysis as described will occur to determine whether the hedge is expected to be highly effective in offsetting future corresponding changes in the fair value or cash flows of the hedged item. For a qualifying fair value hedge, the changes in the value of derivatives are recognized in current period earnings along with the corresponding changes in the fair value of the designated hedged item attributable to the risk being hedged. For a qualifying cash flow hedge, the changes in the fair value of the derivatives that have been highly effective are recognized in other comprehensive income until the related cash flows from the hedged item are recognized in earnings. 

For fair value hedges and cash flow hedges, ineffectiveness is recognized in the same income statement line as interest accruals on the hedged item to the extent that changes in the value of the derivative instruments do not perfectly offset changes in the value of the hedged items. If the hedge ceases to be highly effective, United discontinues hedge accounting and recognizes the changes in fair value in current period earnings. If a derivative that qualifies as a fair value or cash flow hedge is terminated or the designation removed, the realized or then unrealized gain or loss is recognized into income over the life of the hedged item (fair value hedge) or over the time when the hedged item was forecasted to impact earnings (cash flow hedge). Immediate recognition in earnings is required upon sale or extinguishment of the hedged item (fair value hedge) or if it is probable that the hedged cash flows will not occur (cash flow hedge). 

By using derivative instruments, United is exposed to credit and market risk. If the counterparty fails to perform, credit risk is represented by the fair value gain in a derivative. When the fair value of a derivative contract is positive, this situation generally indicates that the counterparty is obligated to pay United, and, therefore, creates a repayment risk for United. When the fair value of a derivative contract is negative, United is obligated to pay the counterparty and, therefore, has no repayment risk. United minimizes the credit risk in non-customer derivative instruments by entering into transactions with high-quality counterparties

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Notes to Consolidated Financial Statements

(1)    Summary of Significant Accounting Policies, continued

that are reviewed periodically by management. United also requires non-customer counterparties to pledge cash as collateral to cover the net exposure. All new non-customer derivatives that can be cleared are cleared through a central clearinghouse, which reduces counterparty exposure. 

Derivative activities are monitored by the ALCO as part its oversight of asset/liability and treasury functions. The ALCO is responsible for implementing various hedging strategies that are developed through its analysis of data from financial simulation models and other internal and industry sources. The resulting hedging strategies are then incorporated into the overall interest-rate risk management process.

Acquisition Activities

United accounts for business combinations under the acquisition method of accounting. Assets acquired and liabilities assumed are measured and recorded at fair value at the date of acquisition, including identifiable intangible assets. If the fair value of net assets purchased exceeds the fair value of consideration paid, a bargain purchase gain is recognized at the date of acquisition. Conversely, if the consideration paid exceeds the fair value of the net assets acquired, goodwill is recognized at the acquisition date. Fair values are subject to refinement for a period not to exceed one year after the closing date of an acquisition as information relative to closing date fair values becomes available.

Fair values for acquired loans are generally based on a discounted cash flow methodology that considers credit loss expectations, market interest rates and other market factors such as liquidity from the perspective of a market participant. Loans are grouped together according to similar characteristics and are generally treated in the aggregate when applying various valuation techniques. The probability of default, loss given default and prepayment assumptions are the key factors driving credit losses which are embedded into the estimated cash flows. These assumptions are informed by internal data on loan characteristics, historical loss experience, and current and forecasted economic conditions. The interest and liquidity component of the estimate is determined by discounting interest and principal cash flows through the expected life of each loan. The discount rates used for loans are based on current market rates for new originations of comparable loans and include adjustments for liquidity. The discount rate does not include a factor for credit losses as that has been included as a reduction to the estimated cash flows. For additional information about the accounting for purchased loans see PCD Loans (CECL) under the Loans and Leases section of this footnote.

All identifiable intangible assets that are acquired in a business combination are recognized at fair value on the acquisition date. Identifiable intangible assets are recognized separately if they arise from contractual or other legal rights or if they are separable (i.e., capable of being sold, transferred, licensed, rented, or exchanged separately from the entity). Deposit liabilities and the related depositor relationship intangible assets may be exchanged in observable exchange transactions. As a result, the depositor relationship intangible asset is considered identifiable, because the separability criterion has been met.

Earnings Per Common Share

Basic earnings per common share is net income available to common shareholders divided by the weighted average number of shares of common stock outstanding during the period. All outstanding unvested share-based payment awards that contain rights to nonforfeitable dividends are considered participating securities for this calculation. Additionally, shares issuable to participants in United’s deferred compensation plan are considered to be participating securities for purposes of calculating basic earnings per share. Accordingly, net income available to common shareholders is calculated pursuant to the two-class method, whereby net income after subtracting preferred stock dividends is allocated between common shareholders and participating securities. Diluted earnings per common share includes the dilutive effect of additional potential shares of common stock issuable under stock options, unvested restricted stock units without nonforfeitable rights to dividends, warrants and securities convertible into common stock. 

Loss Contingencies

Loss contingencies, including claims and legal actions arising in the ordinary course of business, are recorded as liabilities when the likelihood of loss is probable and an amount or range of loss can be reasonably estimated. Management does not believe there are such matters that will have a material effect on the financial statements. 

Dividend Restrictions

Banking regulations require maintaining certain capital levels and may limit dividends paid by the Bank to the Holding Company or by the Holding Company to shareholders. The Board may declare dividends from the Bank to the Holding Company out of retained earnings of up to fifty percent of the Bank’s net income from the previous year without notifying or seeking approval

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Notes to Consolidated Financial Statements

(1)    Summary of Significant Accounting Policies, continued

from the GADBF as long as total classified assets do not exceed 80% of tier 1 capital and the tier 1 risk based capital ratio is not less than 6%. Dividends paid by the Bank to the Holding Company in excess of that amount require pre-approval of the GADBF. 

Fair Value of Financial Instruments

Fair values of financial instruments are estimated using relevant market information and other assumptions as more fully disclosed in Note 14. Fair value estimates involve uncertainties and matters of significant judgment regarding interest rates, credit risk, prepayments, and other factors, especially in the absence of broad markets for particular items. Changes in assumptions or in market conditions could significantly affect these estimates. 

Stock-Based Compensation

United uses the fair value method of recognizing expense for stock-based compensation based on the fair value of option and restricted stock unit awards at the date of grant. United accounts for forfeitures as they occur. 

(2) Accounting Standards Updates and Recently Adopted Standards

Recently Adopted Standards

On January 1, 2020, United adopted ASC 326, which replaced the Incurred Loss framework in prior GAAP with a CECL framework. The CECL framework requires an estimate of expected credit losses for the remaining estimated life of the financial asset using historical experience, current conditions, and reasonable and supportable forecasts and generally applies to financial assets measured at amortized cost, including loan receivables and held-to-maturity debt securities, and some off-balance sheet credit exposures such as unfunded commitments to extend credit. Financial assets measured at amortized cost will be presented at the net amount expected to be collected by using an ACL. PCD loans will receive an initial allowance at the acquisition date that represents an adjustment to the amortized cost basis of the loan, with no impact to earnings. Credit losses relating to available-for-sale debt securities will be recorded through an ACL prospectively, with such allowance limited to the amount by which fair value is below amortized cost.

United adopted ASC 326 as of January 1, 2020 using the modified retrospective method for loans, leases and off-balance sheet credit exposures. Adoption of this guidance resulted in an $8.75 million increase in the ACL, comprised of increases in the ACL for loans of $6.88 million and the ACL for unfunded commitments of $1.87 million, with $3.59 million of the increase reclassified from the amortized cost basis of PCD financial assets. The cumulative effect adjustment to retained earnings was $3.53 million, net of tax. Calculated credit losses on held-to-maturity debt securities were not material and there was no impact to the available-for-sale securities portfolio or other financial instruments. Results for reporting periods beginning after January 1, 2020 are presented under ASC 326 while prior period amounts continue to be reported in accordance with Incurred Loss.

The ACL for the majority of loans and leases was calculated using a discounted cash flow methodology applied at a loan level with a one-year reasonable and supportable forecast period and a two-year straight-line reversion period. In connection with the adoption, management has implemented changes to relevant systems, processes and controls where necessary. United’s CECL allowance will fluctuate over time due to macroeconomic conditions and forecasts as well as the size and composition of the loan portfolios. United has adopted the relief provided by federal banking regulatory agencies for the delay of the adverse capital impact of CECL at adoption and during the subsequent two-year period following adoption. This optional two-year delay is followed by an optional three-year transition period to phase out the aggregate amount of capital benefit provided during the initial two-year delay. Under the transition provision, the amount of aggregate capital benefit is phased out by 25% each year with the full impact of adoption completely recognized by the beginning of the sixth year.

United adopted ASC 326 using the prospective transition approach for PCD assets that were previously classified as PCI. In accordance with the standard, management did not reassess whether PCI assets met the criteria of PCD assets as of the date of adoption. As mentioned above, the amortized cost basis of the PCD assets was adjusted to reflect the addition of $3.59 million to the ACL. The remaining noncredit discount (based on the adjusted amortized cost basis) is being accreted into interest income at a rate that approximates the effective interest rate beginning on January 1, 2020.

With regard to PCD assets, because United elected to disaggregate the former PCI pools and no longer considers these pools to be the unit of account, contractually delinquent PCD loans are now being reported as nonaccrual loans using the same criteria as other loans. Similarly, although management did not reassess whether modifications to individual acquired financial assets accounted for in pools were TDRs as of the date of adoption, PCD loans that are restructured and meet the definition of TDR after the adoption of ASC 326 are being reported as such.

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UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(2)    Accounting Standards Updates and Recently Adopted Standards, continued

In addition to the aforementioned elections, United made the following elections at adoption:

•not to measure an ACL for accrued interest receivable and instead elected to reverse interest income on those loans that are 90 days past due;

•to exclude accrued interest receivable from the amortized cost basis of financial instruments subject to ASC 326 and to separately state the balance of accrued interest receivable on the consolidated balance sheet;

•to adjust the discount rate used to calculate credit losses for expected prepayments and is including all changes in discounted cash flows as credit loss; and

•as a practical expedient, elected to use the fair value of collateral when determining the ACL for loans if repayment is expected to be provided substantially through the operation or sale of the collateral when the borrower is experiencing financial difficulty (collateral-dependent loans).

On March 27, 2020, the CARES Act was signed into law, with certain relief extended in December 2020 by the Consolidated Appropriations Act, 2021. Additional COVID-19 pandemic relief was granted by the bank regulatory agencies through a series of interagency statements issued during 2020. The CARES Act, as extended, and the interagency statements include a number of provisions that were applicable to United, including the following:

•Accounting Relief for TDRs: The CARES Act provides that modifications under certain forbearance conditions for loans that were not more than 30 days past due at December 31, 2019 will not be considered TDRs for regulatory reporting and GAAP. This exemption period ends on the earlier of January 1, 2022 or the date that is 60 days after the termination date of the national emergency. The interagency statements provide additional relief from TDR status for certain short-term deferrals related to the COVID-19 pandemic for borrowers that were current at the time a modification program was implemented or at the time of the modification itself.

•Optional Delay and Regulatory Relief for ASC 326 Adoption: The CARES Act stipulates that large SEC filers have the option of delaying the adoption of ASC 326 from January 1, 2020 to the earlier of the end of the COVID-19 emergency period or December 31, 2020. Banks that were required to implement ASC 326 by the end of 2020 were granted the option to defer any impact on regulatory capital for two years before beginning the original three-year regulatory phase-in period, for a total five-year phase-in period. Although United did not elect to delay the adoption of ASC 326, the Company elected the five-year phase-in period for regulatory capital purposes, as discussed above.

•PPP: The CARES Act creates the PPP through the SBA, which allowed United to lend money to small businesses to maintain employee payrolls and pay other qualified expenses during the crisis with guarantees from the SBA. Under this program, loan amounts may be forgiven if the proceeds are used for payroll and other permitted expenses in accordance with the requirements of the PPP.

In March 2020, the FASB issued ASU No. 2020-03, Codification Improvements to Financial Instruments. This update clarified certain minor issues within the codification, including, among other things, debt securities disclosure for financial institutions and determination of the contractual term of a net investment in a lease. The standard was effective immediately, and did not have a material impact on the consolidated financial statements.

In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting. This update, the scope of which was clarified with ASU No. 2021-01 in January of 2021, provides expedients for contracts that are modified because of reference rate reform, including receivables, debt, leases, and certain derivatives. In addition, the update provides a one-time election to sell or transfer debt securities classified as held-to-maturity that reference a rate that is affected by reference rate reform. The update is effective as of March 12, 2020 through December 31, 2022. At the time of adoption, there was no material impact on the consolidated financial statements, although United anticipates optional expedients adopted such as contract modification and hedge accounting will provide relief otherwise not provided through December 31, 2022.

In April 2019, the FASB issued ASU No. 2019-04, Codification Improvements to Topic 326, Financial Instruments - Credit Losses, Topic 815, Derivatives and Hedging, and Topic 825 Financial Instruments. In addition to amending guidance related to the new CECL standard, this update clarifies certain aspects of hedge accounting and recognition and measurement of financial instruments. United adopted this update as of January 1, 2020, with no material impact on the consolidated financial statements.

In January 2017, the FASB issued ASU No. 2017-04, Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment. This update eliminates Step 2 from the goodwill impairment test, which required an entity to calculate the

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Notes to Consolidated Financial Statements

(2)    Accounting Standards Updates and Recently Adopted Standards, continued

implied fair value of goodwill by valuing a reporting unit’s assets and liabilities using the same process that would be required to value assets and liabilities in a business combination. Instead, the amendments require that an entity perform its annual goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount. United adopted this update as of January 1, 2020, with no material impact on the consolidated financial statements.

Accounting Standards Updates Not Yet Adopted as of December 31, 2020

In October 2020, the FASB issued ASU No. 2020-10, Codification Improvements. In addition to consolidating existing disclosure guidance into a single codification section to reduce the likelihood of a required disclosure being missed, this update clarifies the application of select guidance in cases where the original guidance may have been unclear. Adoption of this update, which is effective for United as of January 1, 2021, is not expected to have a material impact on the consolidated financial statements.

In October 2020, the FASB issued ASU No. 2020-08, Codification Improvements to Subtopic 310-20, Receivables—Nonrefundable Fees and Other Costs. This update clarifies that an entity should reevaluate whether a callable debt security meets the criteria to adjust the amortization period of any related premium at each reporting period. Adoption of this update, which is effective for United as of January 1, 2021, is not expected to have a material impact on the consolidated financial statements.

In January 2020, the FASB issued ASU No. 2020-01, Investments—Equity Securities (Topic 321), Investments—Equity Method and Joint Ventures (Topic 323), and Derivatives and Hedging (Topic 815)—Clarifying the Interactions between Topic 321, Topic 323, and Topic 815 (a consensus of the Emerging Issues Task Force). This update clarifies whether an entity should consider observable transactions that require it to either apply or discontinue the equity method of accounting for the purposes of applying the measurement alternative and how to account for certain forward contracts and purchased options to purchase securities. For public entities, this guidance is effective for fiscal years beginning after December 15, 2020. United does not expect the new guidance to have a material impact on the consolidated financial statements.

In December 2019, the FASB issued ASU No. 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes. This update removes several exceptions related to intraperiod tax allocation when there is a loss from continuing operations and income from other items, foreign subsidiaries becoming equity method investments and vice versa, and calculating income taxes in an interim period when a year-to-date loss exceeds the anticipated loss for the year. The guidance also amends requirements related to franchise tax that is partially based on income, a step up in the tax basis of goodwill, allocation of consolidated tax expense to a legal entity not subject to tax in its separate financial statements, the effects of enacted changes in tax laws and other minor codification improvements regarding employee stock ownership plans and investments in qualified affordable housing projects. For public entities, this guidance is effective for fiscal years beginning after December 15, 2020. United does not expect the new guidance to have a material impact on the consolidated financial statements.

In August 2018, the FASB issued ASU No. 2018-14, Compensation - Retirement Benefits - Defined Benefit Plans - General (Subtopic 715-20): Disclosure Framework - Changes to the Disclosure Requirements for Defined Benefit Plans. The update removes disclosures that are no longer considered cost beneficial, clarifies specific requirements of disclosures, and adds disclosure requirements identified as relevant. For public entities, this guidance is effective for fiscal years ending after December 15, 2020 and requires retrospective application to prior periods presented. United does not expect the new guidance to have a material impact on the consolidated financial statements.

(3)    Mergers and Acquisitions

Acquisition of Three Shores

On July 1, 2020, United completed the acquisition of Three Shores, including its wholly-owned subsidiary, Seaside, headquartered in Orlando, Florida. Seaside operated a 14-branch network located in key Florida metropolitan markets. In connection with the acquisition, United acquired $2.13 billion of assets and assumed $1.99 billion of liabilities. Under the terms of the merger agreement, Three Shores shareholders received $188 million in total consideration, of which $164 million was United common stock and $24.1 million was cash. United issued 8.13 million shares of common stock to Three Shores shareholders in the acquisition. The fair value of consideration paid exceeded the fair value of the identifiable assets and liabilities acquired and resulted in the establishment of goodwill in the amount of $40.4 million, representing the intangible value of Three Shores’ business and reputation within the markets it served. None of the goodwill is expected to be deductible for income tax purposes. United will amortize the related core deposit intangible of $3.36 million using the sum-of-the-years-digits method over 10 years, which represents the expected useful life of the asset. 

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Notes to Consolidated Financial Statements

(3)    Mergers and Acquisitions, continued

United’s operating results for the year ended December 31, 2020 include the operating results of the acquired business for the period subsequent to the acquisition date of July 1, 2020.

The acquisition of Three Shores has been accounted for as a business combination. Accordingly, the assets acquired and liabilities assumed are presented at their fair values as of the acquisition date. The determination of fair value requires management to make estimates about discount rates, future expected cash flows, market conditions and other future events that are highly subjective in nature and subject to change. Fair values are preliminary and are subject to refinement for a period not to exceed one year after the closing date of an acquisition as information relative to closing date fair values becomes available.

During the fourth quarter of 2020, within the one-year measurement period, United received additional information regarding acquisition date money market fund balances held by third party investment brokers and accrued interest receivable on certain debt securities and loans. As a result, the provisional fair values assigned to acquired cash and cash equivalents and accrued interest receivable increased by $1.09 million and $116,000, respectively. As a result of these adjustments, goodwill was reduced by $1.21 million. These adjustments are reflected in the fair values presented in the table below.

The purchased assets and assumed liabilities were recorded at their acquisition date fair values and are summarized in the table below (in thousands). 

	Fair Value Recorded by United
Assets
Cash and cash equivalents	$	219,807
Debt securities	381,740
Loans	1,427,966
Premises and equipment, net	1,584
Accrued interest receivable	7,681
Derivative assets	11,800
Net deferred tax asset	15,061
Core deposit intangible	3,360
Other assets	65,340
Total assets acquired	2,134,339
Liabilities
Deposits	1,802,694
FHLB advances and long-term debt	144,121
Derivative liabilities	12,165
Other liabilities	28,046
Total liabilities assumed	1,987,026
Total identifiable net assets	147,313
Consideration transferred
Cash	24,108
Common stock issued (8,130,633 shares)	163,589
Total fair value of consideration transferred	187,697
Goodwill	$	40,384

The following table presents additional information related to the acquired loan portfolio at the acquisition date (in thousands):

	July 1, 2020
PCD loans:
Par Value	$	283,137
ACL at acquisition	(11,152)
Non-credit discount	(8,694)
Purchase price	$	263,291
Non-PCD loans:
Fair value	$	1,164,675
Gross contractual amounts receivable	1,358,793
Estimate of contractual cash flows not expected to be collected	76,503

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Notes to Consolidated Financial Statements

(3)    Mergers and Acquisitions, continued

Acquisition of FMBT

On May 1, 2019, United completed the acquisition of FMBT. FMBT operated four banking offices in Athens-Clarke County, Georgia. In connection with the acquisition, United acquired $245 million of assets and assumed $213 million of liabilities. Under the terms of the merger agreement, FMBT shareholders received $52.1 million in cash. The fair value of consideration paid exceeded the fair value of the identifiable assets and liabilities acquired and resulted in the establishment of goodwill in the amount of $20.3 million, representing the intangible value of FMBT’s business and reputation within the markets it served. None of the goodwill recognized is expected to be deductible for income tax purposes. United is amortizing the related core deposit intangible of $2.80 million using the sum-of-the-years-digits method over 9.25 years, which represents the expected useful life of the asset.

The purchased assets and assumed liabilities were recorded at their acquisition date fair values and are summarized in the table below (in thousands). 

	Fair Value Recorded by United
Assets
Cash and cash equivalents	$	32,548
Loans	192,494
Premises and equipment, net	8,524
BOLI	6,823
Net deferred tax asset	157
Core deposit intangible	2,800
Other assets	1,278
Total assets acquired	244,624
Liabilities
Deposits	212,127
Other liabilities	717
Total liabilities assumed	212,844
Total identifiable net assets	31,780
Cash consideration transferred	52,093
Goodwill	$	20,313

The following table presents additional information related to the acquired loan portfolio at the acquisition date (in thousands):

	May 1, 2019
PCI loans:
Contractually required principal and interest	$	13,145
Non-accretable difference	2,517
Cash flows expected to be collected	10,628
Accretable yield	1,300
Fair value	$	9,328
Non-PCI loans:
Fair value	$	183,166
Gross contractual amounts receivable	218,855
Estimate of contractual cash flows not expected to be collected	8,826

Acquisition of Navitas

On February 1, 2018, United completed the acquisition of Navitas, a specialty lending company providing equipment finance credit services to small and medium-sized businesses nationwide. In connection with the acquisition, United acquired $393 million of assets and assumed $350 million of liabilities. Under the terms of the merger agreement, Navitas shareholders received $130 million in total consideration, of which $84.5 million was paid in cash and $45.7 million was paid in United common stock. The fair value of consideration paid exceeded the fair value of the identifiable assets and liabilities acquired and resulted in the establishment of goodwill in the amount of $87.4 million, representing the intangible value of Navitas’ business and reputation within the markets it served. None of the goodwill recognized is expected to be deductible for income tax purposes.

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Notes to Consolidated Financial Statements

(3)    Mergers and Acquisitions, continued

The purchased assets and assumed liabilities were recorded at their acquisition date fair values and are summarized in the table below (in thousands). 

	Fair Value Recorded by United
Assets
Cash and cash equivalents	$	27,700
Loans and leases, net	358,352
Premises and equipment, net	324
Net deferred tax asset	2,873
Other assets	4,051
Total assets acquired	393,300
Liabilities
Short-term borrowings	214,923
Long-term debt	119,402
Other liabilities	16,108
Total liabilities assumed	350,433
Total identifiable net assets	42,867
Consideration transferred
Cash	84,500
Common stock issued (1,443,987 shares)	45,746
Total fair value of consideration transferred	130,246
Goodwill	$	87,379

The following table presents additional information related to the acquired loan and lease portfolio at the acquisition date (in thousands).

	February 1, 2018
PCI loans:
Contractually required principal and interest	$	24,711
Non-accretable difference	5,505
Cash flows expected to be collected	19,206
Accretable yield	1,977
Fair value	$	17,229
Non-PCI loans:
Fair value	$	341,123
Gross contractual amounts receivable	389,432
Estimate of contractual cash flows not expected to be collected	8,624

In January 2018, after announcement of its intention to acquire Navitas but prior to the completion of the acquisition, United purchased $19.9 million in loans from Navitas in a transaction separate from the business combination.

Pro forma information - unaudited

The following table discloses the impact of the mergers with Three Shores, FMBT, and Navitas, since the respective acquisition dates through December 31 of the year of acquisition. The table also presents certain pro forma information as if Three Shores had been acquired January 1, 2019, FMBT had been acquired on January 1, 2018 and Navitas had been acquired on January 1, 2017. These results combine the historical results of the acquired entities with United’s consolidated statements of income and, while adjustments were made for the estimated impact of certain fair value adjustments and other acquisition-related activity, they are not necessarily indicative of what would have occurred had the acquisitions taken place in earlier years.

For purposes of pro forma information, merger-related costs incurred in the year of acquisition are excluded from the actual acquisition year results and included in the pro forma acquisition year results. As a result, merger-related costs related to the acquisition of Three Shores of $5.04 million are reflected in 2019 pro forma information and merger-related costs related to the acquisition of FMBT of $2.02 million are reflected in 2018 pro forma information. Merger-related costs related to the acquisition of Navitas of $4.98 million were previously reported in 2017 pro forma information, which is not presented in the following table.

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Notes to Consolidated Financial Statements

(3)    Mergers and Acquisitions, continued

The following table presents the actual results and pro forma information for the periods indicated (in thousands).

	(Unaudited) Year Ended December 31,
	Revenue		Net Income
2020
Actual Three Shores results included in statement of income since acquisition date	$	24,541	$	6,800
Supplemental consolidated pro forma as if Three Shores had been acquired January 1, 2019	597,729		168,717
2019
Actual FMBT results included in statement of income since acquisition date	$	7,525	$	4,053
Supplemental consolidated pro forma as if Three Shores had been acquired on January 1, 2019 and FMBT had been acquired January 1, 2018	636,079		210,232
2018
Actual Navitas results included in the statement of income since acquisition date	$	24,285	$	7,149
Supplemental consolidated pro forma as if FMBT had been acquired January 1, 2018 and Navitas had been acquired January 1, 2017	539,152		171,218

(4) Cash Flows

During 2020, 2019 and 2018, loans having a value of $822,000, $1.17 million and $3.02 million, respectively, were transferred to foreclosed property.

United accounts for sales of SBA/USDA loans on the trade date. At December 31, 2020 United had no unsettled sales of SBA/USDA loans. At December 31, 2019 and 2018, United had unsettled sales of SBA/USDA loans of $8.19 million and $32.9 million, respectively.

During 2020, United acquired, through a business combination, assets with a fair value totaling $2.17 billion and liabilities with a fair value totaling $1.99 billion, for net assets acquired of $188 million. Common stock issued pursuant to this business combination totaled $164 million.

During 2019, United acquired, through a business combination, assets with a fair value totaling $265 million and liabilities with a fair value totaling $213 million, for net assets acquired of $52.1 million.

During 2018, United acquired, through a business combination, assets with a fair value totaling $481 million and liabilities with a fair value totaling $350 million, for net assets acquired of $130 million. Common stock issued pursuant to this business combination totaled $45.7 million.

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Notes to Consolidated Financial Statements

(5) Investment Securities

At December 31, 2020 and 2019, securities with a carrying value of $1.11 billion and $918 million, respectively, were pledged to secure public deposits, derivatives and other secured borrowings.

The cost basis, unrealized gains and losses, and fair value of debt securities held-to-maturity as of the dates indicated are as follows (in thousands): 

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
As of December 31, 2020
U.S. Government agencies & GSEs	$	10,575	$	26	$	11	$	10,590
State and political subdivisions	197,723		7,658		242		205,139
Residential mortgage-backed, Agency & GSE	113,400		4,774		1		118,173
Commercial mortgage-backed, Agency & GSE	98,663		4,874		246		103,291
Total	$	420,361	$	17,332	$	500	$	437,193
As of December 31, 2019
State and political subdivisions	$	45,479	$	1,574	$	9	$	47,044
Residential mortgage-backed, Agency & GSE	153,967		2,014		694		155,287
Commercial mortgage-backed, Agency & GSE	84,087		1,627		141		85,573
Total	$	283,533	$	5,215	$	844	$	287,904

The cost basis, unrealized gains and losses, and fair value of debt securities available-for-sale as of the dates indicated are as follows (in thousands):

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
As of December 31, 2020
U.S. Treasuries	$	123,677	$	4,395	$	—	$	128,072
U.S. Government agencies & GSEs	152,596		701		325		152,972
State and political subdivisions	253,630		20,891		49		274,472
Residential mortgage-backed, Agency & GSE	1,275,551		29,107		766		1,303,892
Residential mortgage-backed, Non-agency	174,322		7,499		128		181,693
Commercial mortgage-backed, Agency & GSE	524,852		8,013		597		532,268
Commercial mortgage-backed, Non-agency	15,350		1,513		—		16,863
Corporate bonds	70,057		1,711		1		71,767
Asset-backed securities	562,076		1,278		632		562,722
Total	$	3,152,111	$	75,108	$	2,498	$	3,224,721
As of December 31, 2019
U.S. Treasuries	$	152,990	$	1,628	$	—	$	154,618
U.S. Government agencies & GSEs	2,848		188		1		3,035
State and political subdivisions	214,677		11,813		—		226,490
Residential mortgage-backed, Agency & GSE	1,030,948		12,022		726		1,042,244
Residential mortgage-backed, Non-agency	250,550		6,231		—		256,781
Commercial mortgage-backed, Agency & GSE	266,770		2,261		128		268,903
Commercial mortgage-backed, Non-agency	15,395		918		263		16,050
Corporate bonds	202,131		1,178		218		203,091
Asset-backed securities	104,298		743		1,672		103,369
Total	$	2,240,607	$	36,982	$	3,008	$	2,274,581

At year-end 2020 and 2019, there were no holdings of debt obligations of any one issuer, other than the U.S. Government and its agencies, in an amount greater than 10% of shareholders’ equity.

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Notes to Consolidated Financial Statements

(5) Investment Securities, continued

The following summarizes debt securities held-to-maturity in an unrealized loss position as of the dates indicated (in thousands):

	Less than 12 Months				12 Months or More				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
As of December 31, 2020
U.S. Government agencies & GSEs	$	4,677	$	11	$	—	$	—	$	4,677	$	11
State and political subdivisions	14,870		242		—		—		14,870		242
Residential mortgage-backed, Agency & GSE	999		1		—		—		999		1
Commercial mortgage-backed, Agency & GSE	24,956		236		1,352		10		26,308		246
Total unrealized loss position	$	45,502	$	490	$	1,352	$	10	$	46,854	$	500
As of December 31, 2019
State and political subdivisions	$	10,117	$	9	$	—	$	—	$	10,117	$	9
Residential mortgage-backed, Agency & GSE	16,049		64		48,237		630		64,286		694
Commercial mortgage-backed, Agency & GSE	21,841		87		1,685		54		23,526		141
Total unrealized loss position	$	48,007	$	160	$	49,922	$	684	$	97,929	$	844

The following summarizes debt securities available-for-sale in an unrealized loss position as of the dates indicated (in thousands):

	Less than 12 Months				12 Months or More				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
As of December 31, 2020
U.S. Government agencies & GSEs	$	27,952	$	324	$	607	$	1	$	28,559	$	325
State and political subdivisions	9,402		49		—		—		9,402		49
Residential mortgage-backed, Agency & GSE	232,199		766		—		—		232,199		766
Residential mortgage-backed, Non-agency	2,331		128		—		—		2,331		128
Commercial mortgage-backed, Agency & GSE	89,918		597		—		—		89,918		597
Corporate bonds	1,410		1		—		—		1,410		1
Asset-backed securities	87,305		28		53,587		604		140,892		632
Total unrealized loss position	$	450,517	$	1,893	$	54,194	$	605	$	504,711	$	2,498
As of December 31, 2019
U.S. Government agencies & GSEs	$	404	$	1	$	—	$	—	$	404	$	1
Residential mortgage-backed, Agency & GSE	228,611		576		18,294		150		246,905		726
Commercial mortgage-backed, Agency & GSE	—		—		33,517		128		33,517		128
Commercial mortgage-backed, Non-agency	—		—		4,864		263		4,864		263
Corporate bonds	19,742		216		998		2		20,740		218
Asset-backed securities	32,294		625		38,990		1,047		71,284		1,672
Total unrealized loss position	$	281,051	$	1,418	$	96,663	$	1,590	$	377,714	$	3,008

At December 31, 2020, there were 72 debt securities available-for-sale and 13 debt securities held-to-maturity that were in an unrealized loss position. Management does not intend to sell nor believes it will be required to sell securities in an unrealized loss position prior to the recovery of its amortized cost basis. Unrealized losses at December 31, 2020 and 2019 were primarily attributable to changes in interest rates.

At adoption of ASC 326 on January 1, 2020 and at December 31, 2020, calculated credit losses and, thus, the related ACL on held-to-maturity debt securities were not material due to the high credit quality of the portfolio. As a result, no ACL was recorded on the held-to-maturity portfolio at December 31, 2020. In addition, based on the assessment performed as of December 31, 2020, there was no ACL required related to the available-for-sale portfolio. See Note 1 for additional details on the adoption of ASC 326 as it relates to the securities portfolio.

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UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(5) Investment Securities, continued

Prior to the adoption of ASC 326, management evaluated securities for other-than-temporary impairment at least on a quarterly basis, and more frequently when economic or market concerns warranted such evaluation. Consideration was given to the length of time and the extent to which the fair value had been less than cost, the financial condition and near-term prospects of the issuer, among other factors. In analyzing an issuer’s financial condition, management considered whether the securities were issued by the federal government or its agencies, whether downgrades by bond rating agencies had occurred, and industry analyst’s reports. No impairment charges were recognized during 2019 or 2018.

Realized gains and losses are derived using the specific identification method for determining the cost of the securities sold. The following summarizes securities sales activities for the years ended December 31 (in thousands): 

	2020		2019		2018
Proceeds from sales	$	40,625	$	352,106	$	168,891
Gross gains on sales	$	748	$	1,843	$	2,082
Gross losses on sales	—		(2,864)		(2,738)
Net gains (losses) on sales of securities	$	748	$	(1,021)	$	(656)
Income tax expense (benefit) attributable to sales	$	191	$	(247)	$	(132)

The amortized cost and fair value of debt available-for-sale and held-to-maturity securities at December 31, 2020, by contractual maturity, are presented in the following table (in thousands). Expected maturities may differ from contractual maturities because issuers and borrowers may have the right to call or prepay obligations. 

	Available-for-Sale				Held-to-Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Within 1 year:
U.S. Treasuries	$	20,014	$	20,311	$	—	$	—
U.S. Government agencies & GSEs	201		201		—		—
State and political subdivisions	20,020		20,232		1,700		1,743
Corporate bonds	11,441		11,592		—		—
	51,676		52,336		1,700		1,743
1 to 5 years:
U.S. Treasuries	103,663		107,761		—		—
U.S. Government agencies & GSEs	16,710		16,820		—		—
State and political subdivisions	48,354		51,544		14,505		16,059
Corporate bonds	44,636		45,837		—		—
	213,363		221,962		14,505		16,059
5 to 10 years:
U.S. Government agencies & GSEs	55,588		55,481		—		—
State and political subdivisions	59,837		64,843		7,028		7,957
Corporate bonds	13,206		13,485		—		—
	128,631		133,809		7,028		7,957
More than 10 years:
U.S. Government agencies & GSEs	80,097		80,470		10,575		10,590
State and political subdivisions	125,419		137,853		174,490		179,380
Corporate bonds	774		853		—		—
	206,290		219,176		185,065		189,970
Debt securities not due at a single maturity:
Asset-backed securities	562,076		562,722		—		—
Residential mortgage-backed securities	1,449,873		1,485,585		113,400		118,173
Commercial mortgage-backed securities	540,202		549,131		98,663		103,291
Total	$	3,152,111	$	3,224,721	$	420,361	$	437,193

92

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(6)    Loans and Leases and Allowance for Credit Losses

Major classifications of the loan and lease portfolio (collectively referred to as the “loan portfolio” or “loans”) are summarized as of the dates indicated as follows (in thousands):

	December 31,
	2020		2019
Owner occupied commercial real estate	$	2,090,443	$	1,720,227
Income producing commercial real estate	2,540,750		2,007,950
Commercial & industrial(1)	2,498,560		1,220,657
Commercial construction	967,305		976,215
Equipment financing	863,830		744,544
Total commercial	8,960,888		6,669,593
Residential mortgage	1,284,920		1,117,616
Home equity lines of credit	697,117		660,675
Residential construction	281,430		236,437
Consumer	146,460		128,232
Total loans	11,370,815		8,812,553
Less ACL - loans	(137,010)		(62,089)
Loans, net	$	11,233,805	$	8,750,464

(1) Commercial and industrial loans as of December 31, 2020 included $646 million of PPP loans.

At December 31, 2020 and 2019, $2.18 million and $1.30 million, respectively, in overdrawn deposit accounts were reclassified as consumer loans.

At December 31, 2020, the loan portfolio was subject to blanket pledges on certain qualifying loan types with the FHLB and FRB to secure contingent funding sources.

The following table presents loans sold by United for the periods presented (in thousands). The gains and losses on these loan sales were included in noninterest income on the consolidated statements of income.

	Loans Sold
	2020		2019		2018
Guaranteed portion of SBA/USDA loans	$	48,385	$	81,158	$	120,977
Equipment financing receivables	27,018		30,952		—
Indirect auto loans	—		102,789		—
Total	$	75,403	$	214,899	$	120,977

At December 31, 2020 and 2019, equipment financing assets included leases of $36.8 million and $37.4 million, respectively. The components of the net investment in leases, which included both sales-type and direct financing, are presented below (in thousands). 

	December 31,
	2020		2019
Minimum future lease payments receivable	$	38,934	$	39,709
Estimated residual value of leased equipment	3,263		3,631
Initial direct costs	672		842
Security deposits	(727)		(989)
Purchase accounting premium	117		273
Unearned income	(5,457)		(6,088)
Net investment in leases	$	36,802	$	37,378

93

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(6) Loans and Leases and Allowance for Credit Losses, continued

Minimum future lease payments expected to be received from equipment financing lease contracts as of December 31, 2020 were as follows (in thousands): 

Year
2021	$	15,152
2022	11,516
2023	7,452
2024	3,429
2025	1,341
Thereafter	44
Total	$	38,934

Nonaccrual and Past Due Loans

The following table presents the amortized cost basis in loans by aging category and accrual status as of December 31, 2020 (in thousands). Short-term deferrals of approximately $70.7 million related to the COVID-19 crisis are not reported as past due during the deferral period.

	Accruing
			Loans Past Due
	Current Loans		30 - 59 Days		60 - 89 Days		> 90 Days		Nonaccrual Loans		Total Loans
As of December 31, 2020
Owner occupied commercial real estate	$	2,079,845	$	2,013	$	3	$	—	$	8,582	$	2,090,443
Income producing commercial real estate	2,522,743		1,608		1,250		—		15,149		2,540,750
Commercial & industrial	2,480,483		1,176		267		—		16,634		2,498,560
Commercial construction	964,947		231		382		—		1,745		967,305
Equipment financing	856,985		2,431		1,009		—		3,405		863,830
Total commercial	8,905,003		7,459		2,911		—		45,515		8,960,888
Residential mortgage	1,265,019		5,549		1,494		—		12,858		1,284,920
Home equity lines of credit	692,504		1,942		184		—		2,487		697,117
Residential construction	280,551		365		—		—		514		281,430
Consumer	145,770		429		36		—		225		146,460
Total loans	$	11,288,847	$	15,744	$	4,625	$	—	$	61,599	$	11,370,815

The following table presents the aging of recorded investment in loans, including accruing and nonaccrual loans, as of December 31, 2019 (in thousands).

	Loans Past Due - Accrual and Non-accrual
As of December 31, 2019	30 - 59 Days		60 - 89 Days		> 90 Days (1)		Total		Current Loans		PCI Loans		Total
Owner occupied commercial real estate	$	2,913	$	2,007	$	6,079	$	10,999	$	1,700,682	$	8,546	$	1,720,227
Income producing commercial real estate	562		706		401		1,669		1,979,053		27,228		2,007,950
Commercial & industrial	2,140		491		2,119		4,750		1,215,581		326		1,220,657
Commercial construction	1,867		557		96		2,520		966,833		6,862		976,215
Equipment financing	2,065		923		3,045		6,033		734,526		3,985		744,544
Total commercial	9,547		4,684		11,740		25,971		6,596,675		46,947		6,669,593
Residential mortgage	5,655		2,212		2,171		10,038		1,097,999		9,579		1,117,616
Home equity lines of credit	1,697		421		1,385		3,503		655,762		1,410		660,675
Residential construction	325		125		402		852		235,211		374		236,437
Consumer	668		181		27		876		127,020		336		128,232
Total loans	$	17,892	$	7,623	$	15,725	$	41,240	$	8,712,667	$	58,646	$	8,812,553

(1) Excluding PCI loans, substantially all loans more than 90 days past due were on nonaccrual status at December 31, 2019.

94

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(6) Loans and Leases and Allowance for Credit Losses, continued

The following table presents nonaccrual loans by loan class for the periods indicated (in thousands). 

	Nonaccrual loans
	CECL						Incurred Loss
	December 31, 2020						December 31, 2019
	With no allowance		With an allowance		Total
Owner occupied commercial real estate	$	6,614	$	1,968	$	8,582	$	10,544
Income producing commercial real estate	10,008		5,141		15,149		1,996
Commercial & industrial	2,004		14,630		16,634		2,545
Commercial construction	1,339		406		1,745		2,277
Equipment financing	156		3,249		3,405		3,141
Total commercial	20,121		25,394		45,515		20,503
Residential mortgage	1,855		11,003		12,858		10,567
Home equity lines of credit	1,329		1,158		2,487		3,173
Residential construction	274		240		514		939
Consumer	181		44		225		159
Total	$	23,760	$	37,839	$	61,599	$	35,341

The gross additional interest revenue that would have been earned if the loans classified as nonaccrual had performed in accordance with the original terms was approximately $2.86 million, $1.26 million, and $1.09 million for 2020, 2019, and 2018, respectively.

Risk Ratings

United categorizes commercial loans, with the exception of equipment financing receivables, into risk categories based on relevant information about the ability of borrowers to service their debt such as: current financial information, historical payment experience, credit documentation, public information, and current industry and economic trends, among other factors. United analyzes loans individually by classifying the loans as to credit risk. This analysis is performed on a continual basis. United uses the following definitions for its risk ratings:

Pass. Loans in this category are considered to have a low probability of default and do not meet the criteria of the risk categories below.

Watch. Loans in this category are presently protected from apparent loss, however weaknesses exist that could cause future impairment, including the deterioration of financial ratios, past due status and questionable management capabilities. These loans require more than the ordinary amount of supervision. Collateral values generally afford adequate coverage, but may not be immediately marketable.

Substandard. These loans are inadequately protected by the current net worth and paying capacity of the obligor or by the collateral pledged. Specific and well-defined weaknesses exist that may include poor liquidity and deterioration of financial ratios. The loan may be past due and related deposit accounts experiencing overdrafts. There is the distinct possibility that United will sustain some loss if deficiencies are not corrected. If possible, immediate corrective action is taken.

Doubtful. Specific weaknesses characterized as Substandard that are severe enough to make collection in full highly questionable and improbable. There is no reliable secondary source of full repayment.

Loss. Loans categorized as Loss have the same characteristics as Doubtful; however probability of loss is certain. Loans classified as Loss are charged off.

Equipment Financing Receivables and Consumer Purpose Loans. United applies a pass / fail grading system to all equipment financing receivables and consumer purpose loans. Under this system, loans that are on nonaccrual status, become past due 90 days or are in bankruptcy are classified as “fail” and all other loans are classified as “pass”. For reporting purposes, loans classified as “fail” are reported as “substandard” and all other loans are reported as “pass”.

95

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(6) Loans and Leases and Allowance for Credit Losses, continued

Based on the most recent analysis performed, the amortized cost of loans by risk category by vintage year as of December 31, 2020 is as follows (in thousands):

	Term Loans by Origination Year												Revolvers		Revolvers converted to term loans		Total
December 31, 2020	2020		2019		2018		2017		2016		Prior
Pass
Owner occupied commercial real estate	$	707,501	$	368,615	$	231,316	$	197,778	$	201,362	$	229,667	$	56,273	$	9,072	$	2,001,584
Income producing commercial real estate	815,799		376,911		361,539		277,769		206,068		198,080		28,542		12,128		2,276,836
Commercial & industrial	1,092,767		287,857		263,439		115,790		92,968		58,359		515,593		3,777		2,430,550
Commercial construction	314,154		217,643		226,308		53,708		30,812		21,985		20,278		3,947		888,835
Equipment financing	413,653		270,664		125,869		39,982		9,404		445		—		—		860,017
Total commercial	3,343,874		1,521,690		1,208,471		685,027		540,614		508,536		620,686		28,924		8,457,822
Residential mortgage	468,945		195,213		125,492		120,944		122,013		230,771		18		5,393		1,268,789
Home equity lines of credit	—		—		—		—		—		—		675,878		17,581		693,459
Residential construction	225,727		30,646		4,026		4,544		3,172		12,546		—		64		280,725
Consumer	54,997		25,528		14,206		4,531		3,595		1,677		41,445		76		146,055
	4,093,543		1,773,077		1,352,195		815,046		669,394		753,530		1,338,027		52,038		10,846,850
Watch
Owner occupied commercial real estate	8,759		4,088		4,221		10,025		11,138		4,728		100		—		43,059
Income producing commercial real estate	35,471		42,831		39,954		13,238		24,164		11,337		—		1,681		168,676
Commercial & industrial	1,451		16,315		2,176		630		459		17		6,464		—		27,512
Commercial construction	21,366		272		816		23,292		11,775		477		—		—		57,998
Equipment financing	—		—		—		—		—		—		—		—		—
Total commercial	67,047		63,506		47,167		47,185		47,536		16,559		6,564		1,681		297,245
Residential mortgage	—		—		—		—		—		—		—		—		—
Home equity lines of credit	—		—		—		—		—		—		—		—		—
Residential construction	—		—		—		—		—		—		—		—		—
Consumer	—		—		—		—		—		—		—		—		—
	67,047		63,506		47,167		47,185		47,536		16,559		6,564		1,681		297,245
Substandard
Owner occupied commercial real estate	6,586		10,473		7,596		3,717		6,753		8,473		1,528		674		45,800
Income producing commercial real estate	45,125		8,940		2,179		5,034		31,211		2,652		—		97		95,238
Commercial & industrial	1,545		5,536		6,193		1,684		1,292		1,485		22,170		593		40,498
Commercial construction	2,466		735		13,741		340		1,931		250		—		1,009		20,472
Equipment financing	631		1,392		1,371		306		96		17		—		—		3,813
Total commercial	56,353		27,076		31,080		11,081		41,283		12,877		23,698		2,373		205,821
Residential mortgage	2,049		2,106		3,174		1,369		679		5,860		—		894		16,131
Home equity lines of credit	—		—		—		—		—		—		265		3,393		3,658
Residential construction	106		37		54		4		124		380		—		—		705
Consumer	—		97		49		60		78		98		—		23		405
	58,508		29,316		34,357		12,514		42,164		19,215		23,963		6,683		226,720
Total	$	4,219,098	$	1,865,899	$	1,433,719	$	874,745	$	759,094	$	789,304	$	1,368,554	$	60,402	$	11,370,815

96

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(6) Loans and Leases and Allowance for Credit Losses, continued

The following table presents the risk category of loans by class of loan as of December 31, 2019 (in thousands):

As of December 31, 2019	Pass		Watch		Substandard		Doubtful / Loss		Total
Owner occupied commercial real estate	$	1,638,398	$	24,563	$	48,720	$	—	$	1,711,681
Income producing commercial real estate	1,914,524		40,676		25,522		—		1,980,722
Commercial & industrial	1,156,366		16,385		47,580		—		1,220,331
Commercial construction	960,251		2,298		6,804		—		969,353
Equipment financing	737,418		—		3,141		—		740,559
Total commercial	6,406,957		83,922		131,767		—		6,622,646
Residential mortgage	1,093,902		—		14,135		—		1,108,037
Home equity lines of credit	654,619		—		4,646		—		659,265
Residential construction	234,791		—		1,272		—		236,063
Consumer	127,507		8		381		—		127,896
Total loans, excluding PCI loans	8,517,776		83,930		152,201		—		8,753,907
Owner occupied commercial real estate	3,238		2,797		2,511		—		8,546
Income producing commercial real estate	19,648		6,305		1,275		—		27,228
Commercial & industrial	104		81		141		—		326
Commercial construction	3,628		590		2,644		—		6,862
Equipment financing	3,952		—		33		—		3,985
Total commercial	30,570		9,773		6,604		—		46,947
Residential mortgage	8,112		—		1,467		—		9,579
Home equity lines of credit	1,350		—		60		—		1,410
Residential construction	348		—		26		—		374
Consumer	303		—		33		—		336
Total PCI loans	40,683		9,773		8,190		—		58,646
Total loan portfolio	$	8,558,459	$	93,703	$	160,391	$	—	$	8,812,553

At December 31, 2019, the carrying value and outstanding balance of PCI loans was $58.6 million and $83.1 million, respectively. The following table presents changes in the value of the accretable yield for PCI loans for the year ended December 31, 2019 (in thousands):

Balance at beginning of period	$	26,868
Additions due to acquisitions	1,300
Accretion	(17,885)
Reclassification from nonaccretable difference	9,237
Changes in expected cash flows that do not affect nonaccretable difference	4,400
Balance at end of period	$	23,920

Troubled Debt Restructurings and Other Modifications

As of December 31, 2020 and 2019, United had TDRs totaling $61.6 million and $54.2 million, respectively. As of December 31, 2020, United had remaining short-term deferrals related to the COVID-19 crisis of approximately $70.7 million, which generally represented payment deferrals for up to 90 days. To the extent that these deferrals qualified under either the CARES Act or interagency guidance, they were not considered new TDRs.

97

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Notes to Consolidated Financial Statements

(6) Loans and Leases and Allowance for Credit Losses, continued

Loans modified under the terms of a TDR during the years ended December 31 are presented in the table below. In addition, the following table presents loans modified under the terms of a TDR that defaulted (became 90 days or more delinquent) during the years ended December 31 that were initially restructured within one year prior to default (dollars in thousands):

	New TDRs
	Number of Contracts	Post-Modification Outstanding Recorded Investment by Type of Modification								TDRs Modified Within the Year That Have Subsequently Defaulted
Year Ended December 31, 2020		Rate Reduction		Structure		Other		Total		Number of Contracts	Recorded Investment
Owner occupied commercial real estate	8	$	—	$	833	$	1,536	$	2,369	—	$	—
Income producing commercial real estate	7	—		4,856		6,699		11,555		1	5,998
Commercial & industrial	4	—		586		15		601		3	819
Commercial construction	7	—		832		70		902		—	—
Equipment financing	172	—		5,821				5,821		22	944
Total commercial	198	—		12,928		8,320		21,248		26	7,761
Residential mortgage	40	—		4,359		3		4,362		2	145
Home equity lines of credit	4	—		164		—		164		1	60
Residential construction	3	—		123		—		123		—	—
Consumer	7	—		11		24		35		1	3
Total loans	252	$	—	$	17,585	$	8,347	$	25,932	30	$	7,969
Year Ended December 31, 2019
Owner occupied commercial real estate	4	$	—	$	1,739	$	—	$	1,739	—	$	—
Income producing commercial real estate	3	—		9,013		—		9,013		—	—
Commercial & industrial	2	—		75		7		82		—	—
Commercial construction	—	—		—		—		—		—	—
Equipment financing	9	—		1,071		—		1,071		—	—
Total commercial	18	—		11,898		7		11,905		—	—
Residential mortgage	15	—		2,057		—		2,057		1	135
Home equity lines of credit	1	—		50		—		50		—	—
Residential construction	1	—		—		21		21		1	13
Consumer	5	—		—		45		45		—	—
Indirect auto	15	—		—		262		262		—	—
Total loans	55	$	—	$	14,005	$	335	$	14,340	2	$	148
Year Ended December 31, 2018
Owner occupied commercial real estate	5	$	—	$	1,387	$	—	$	1,387	3	$	1,869
Income producing commercial real estate	2	106		3,637		—		3,743		—	—
Commercial & industrial	2	—		32		—		32		1	232
Commercial construction	—	—		—		—		—		1	3
Equipment financing	—	—		—		—		—		—	—
Total commercial	9	106		5,056		—		5,162		5	2,104
Residential mortgage	15	130		1,770		—		1,900		1	101
Home equity lines of credit	1	—		—		41		41		—	—
Residential construction	2	—		32		13		45		—	—
Consumer	2	—		—		7		7		—	—
Indirect auto	35	—		—		643		643		—	—
Total loans	64	$	236	$	6,858	$	704	$	7,798	6	$	2,205

98

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Notes to Consolidated Financial Statements

(6) Loans and Leases and Allowance for Credit Losses, continued

Allowance for Credit Losses

The following table presents the balance and activity in the ACL by portfolio segment for the periods indicated (in thousands): 

	CECL
Year Ended December 31, 2020	Dec. 31, 2019		Adoption of CECL		Jan. 1, 2020		Initial ACL- PCD loans(1)		Charge-Offs		Recoveries		Provision		Ending Balance
Owner occupied commercial real estate	$	11,404	$	(1,616)	$	9,788	$	1,779	$	(70)	$	2,565	$	6,611	$	20,673
Income producing commercial real estate	12,306		(30)		12,276		1,208		(8,430)		3,546		33,137		41,737
Commercial & industrial	5,266		4,012		9,278		7,680		(10,707)		1,371		14,397		22,019
Commercial construction	9,668		(2,583)		7,085		74		(726)		1,045		3,474		10,952
Equipment financing	7,384		5,871		13,255		—		(8,764)		2,004		10,325		16,820
Residential mortgage	8,081		1,569		9,650		195		(398)		455		5,439		15,341
Home equity lines of credit	4,575		1,919		6,494		209		(221)		677		1,258		8,417
Residential construction	2,504		(1,771)		733		—		(93)		156		(32)		764
Consumer	901		(491)		410		7		(2,985)		2,259		596		287
ACL - loans	62,089		6,880		68,969		11,152		(32,394)		14,078		75,205		137,010
ACL - unfunded commitments	3,458		1,871		5,329		—		—		—		5,229		10,558
Total ACL	$	65,547	$	8,751	$	74,298	$	11,152	$	(32,394)	$	14,078	$	80,434	$	147,568

(1) Represents the initial ACL related to PCD loans acquired in the Three Shores transaction.

	Incurred Loss
Year Ended December 31, 2019	Beginning Balance		Charge-Offs		Recoveries		Provision		Ending Balance
Owner occupied commercial real estate	$	12,207	$	(5)	$	375	$	(1,173)	$	11,404
Income producing commercial real estate	11,073		(1,227)		283		2,177		12,306
Commercial & industrial	4,802		(5,849)		852		5,461		5,266
Commercial construction	10,337		(290)		1,165		(1,544)		9,668
Equipment financing	5,452		(5,675)		781		6,826		7,384
Residential mortgage	8,295		(616)		481		(79)		8,081
Home equity lines of credit	4,752		(996)		610		209		4,575
Residential construction	2,433		(306)		157		220		2,504
Consumer	853		(2,390)		911		1,527		901
Indirect auto	999		(663)		186		(522)		—
ACL - loans	61,203		(18,017)		5,801		13,102		62,089
ACL - unfunded commitments	3,410		—		—		48		3,458
Total ACL	$	64,613	$	(18,017)	$	5,801	$	13,150	$	65,547

	Incurred Loss
Year Ended December 31, 2018	Beginning Balance		Charge-Offs		Recoveries		Provision		Ending Balance
Owner occupied commercial real estate	$	14,776	$	(303)	$	1,227	$	(3,493)	$	12,207
Income producing commercial real estate	9,381		(3,304)		1,064		3,932		11,073
Commercial & industrial	3,971		(1,669)		1,390		1,110		4,802
Commercial construction	10,523		(622)		734		(298)		10,337
Equipment financing	—		(1,536)		460		6,528		5,452
Residential mortgage	10,097		(754)		336		(1,384)		8,295
Home equity lines of credit	5,177		(1,194)		423		346		4,752
Residential construction	2,729		(54)		376		(618)		2,433
Consumer	710		(2,445)		807		1,781		853
Indirect auto	1,550		(1,277)		228		498		999
ACL - loans	58,914		(13,158)		7,045		8,402		61,203
ACL - unfunded commitments	2,312		—		—		1,098		3,410
Total ACL	$	61,226	$	(13,158)	$	7,045	$	9,500	$	64,613

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UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(6) Loans and Leases and Allowance for Credit Losses, continued

As of January 1, 2020 and December 31, 2020, United used a discounted cash flow methodology applied at a loan level with a one-year reasonable and supportable forecast period. Expected credit loss rates were estimated using a regression model based on historical data from peer banks which incorporates a third party vendor’s economic forecast to predict the change in credit losses. These results were then combined with a starting value that was based on United’s recent default experience, which was adjusted for select portfolios based on expectations of future performance. At December 31, 2020, the third party vendor’s forecast, which was representative of a baseline scenario, captured the recent challenging economic environment that included high levels of unemployment, but also indicated mild improvement in the short term. The increase in the ACL compared to January 1, 2020 was primarily attributable to the worsening trends in the forecast at December 31, 2020 compared to the beginning of 2020, with the primary economic forecast driver being the change in unemployment claims due to policy decisions made in response to the COVID-19 pandemic. At December 31, 2020, United adjusted the economic forecast by eliminating the initial spike in unemployment evidenced in the first half of the year to account for the impact of government stimulus programs. In addition, United used a model overlay for the economic forecast for residential mortgage loans to better align losses in that portfolio to current conditions.

For periods beyond the reasonable and supportable forecast period of one year, United reverted to historical credit loss information on a straight line basis over two years. For all collateral types excluding residential mortgage, United reverted to through-the-cycle average default rates using peer data from 2000 to 2017. For loans secured by residential mortgages, the peer data was adjusted for changes in lending practices designed to prevent the magnitude of losses observed during the mortgage crisis.

PPP loans were considered low risk assets due to the related 100% guarantee by the SBA and were therefore excluded from the calculation.

Disaggregation of Incurred Loss Impairment Methodology

The following table presents the recorded investment in loans by portfolio segment and the balance of the ACL assigned to each segment based on the method of evaluating the loans for impairment as of December 31, 2019 (in thousands): 

	Loans Outstanding								Allowance for Credit Losses
	Individually evaluated for impairment		Collectively evaluated for impairment		PCI		Ending Balance		Individually evaluated for impairment		Collectively evaluated for impairment		PCI		Ending Balance
Owner occupied commercial real estate	$	19,233	$	1,692,448	$	8,546	$	1,720,227	$	816	$	10,483	$	105	$	11,404
Income producing commercial real estate	18,134		1,962,588		27,228		2,007,950		770		11,507		29		12,306
Commercial & industrial	1,449		1,218,882		326		1,220,657		21		5,193		52		5,266
Commercial construction	3,675		965,678		6,862		976,215		55		9,613		—		9,668
Equipment financing	1,027		739,532		3,985		744,544		—		7,240		144		7,384
Residential mortgage	15,991		1,092,046		9,579		1,117,616		782		7,296		3		8,081
Home equity lines of credit	992		658,273		1,410		660,675		16		4,541		18		4,575
Residential construction	1,256		234,807		374		236,437		47		2,456		1		2,504
Consumer	214		127,682		336		128,232		5		885		11		901
Total ACL - loans	$	61,971	$	8,691,936	$	58,646	$	8,812,553	2,512		59,214		363		62,089
ACL - unfunded commitments									—		3,458		—		3,458
Total ACL									$	2,512	$	62,672	$	363	$	65,547

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UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(6) Loans and Leases and Allowance for Credit Losses, continued

The following table presents loans individually evaluated for impairment by class of loans as of the dates indicated (in thousands):

	December 31, 2019
	Unpaid Principal Balance		Recorded Investment		ACL Allocated
With no related ACL recorded:
Owner occupied commercial real estate	$	9,527	$	8,118	$	—
Income producing commercial real estate	5,159		4,956		—
Commercial & industrial	1,144		890		—
Commercial construction	2,458		2,140		—
Equipment financing	1,027		1,027		—
Total commercial	19,315		17,131		—
Residential mortgage	7,362		6,436		—
Home equity lines of credit	1,116		861		—
Residential construction	731		626		—
Consumer	66		53		—
Total with no related ACL recorded	28,590		25,107		—
With an ACL recorded:
Owner occupied commercial real estate	11,136		11,115		816
Income producing commercial real estate	13,591		13,178		770
Commercial & industrial	559		559		21
Commercial construction	1,535		1,535		55
Equipment financing	—		—		—
Total commercial	26,821		26,387		1,662
Residential mortgage	9,624		9,555		782
Home equity lines of credit	146		131		16
Residential construction	643		630		47
Consumer	161		161		5
Total with an ACL recorded	37,395		36,864		2,512
Total	$	65,985	$	61,971	$	2,512

The average balances of impaired loans and income recognized on impaired loans while they were considered impaired is presented below for the periods indicated (in thousands): 

	2019						2018
	Average Balance		Interest Revenue Recognized During Impairment		Cash Basis Interest Revenue Received		Average Balance		Interest Revenue Recognized During Impairment		Cash Basis Interest Revenue Received
Owner occupied commercial real estate	$	18,575	$	1,124	$	1,171	$	19,881	$	1,078	$	1,119
Income producing commercial real estate	14,253		739		730		17,138		893		895
Commercial & industrial	1,837		84		100		1,777		100		100
Commercial construction	3,233		129		146		3,247		176		174
Equipment financing	159		23		23		—		—		—
Total commercial	38,057		2,099		2,170		42,043		2,247		2,288
Residential mortgage	16,115		748		749		14,515		641		643
Home equity lines of credit	488		14		15		284		18		16
Residential construction	1,332		92		94		1,405		96		95
Consumer	203		15		15		249		18		18
Indirect auto	1,028		50		50		1,252		64		64
Total	$	57,223	$	3,018	$	3,093	$	59,748	$	3,084	$	3,124

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Notes to Consolidated Financial Statements

(7)    Premises and Equipment

Premises and equipment are summarized as follows as of the dates indicated (in thousands): 

	December 31,
	2020		2019
Land and land improvements	$	82,816	$	81,150
Buildings and improvements	173,497		170,629
Furniture and equipment	96,157		97,997
Construction in progress	7,590		1,701
	360,060		351,477
Less accumulated depreciation	(141,571)		(135,501)
Premises and equipment, net	$	218,489	$	215,976

Depreciation expense was $15.6 million, $15.3 million and $14.2 million for 2020, 2019 and 2018, respectively.

(8) Derivatives and Hedging Activities

The table below presents the fair value of derivative financial instruments as of the dates indicated as well as their classification on the consolidated balance sheets (in thousands):

	December 31, 2020						December 31, 2019
	Notional Amount		Fair Value				Fair Value
			Derivative Assets		Derivative Liabilities		Derivative Assets		Derivative Liabilities
Derivatives designated as hedging instruments:
Cash flow hedge of subordinated debt	$	100,000	$	3,378	$	—	$	—	$	—
Cash flow hedge of trust preferred securities	20,000		—		—		—		—
Fair value hedge of brokered CDs	20,000		—		—		—		880
Total	140,000		3,378		—		—		880
Derivatives not designated as hedging instruments:
Customer derivative positions	1,329,271		72,508		17		27,277		446
Dealer offsets to customer derivative positions	1,329,271		1		24,614		394		6,425
Risk participations	48,843		28		12		—		12
Mortgage banking - loan commitment	253,243		10,751		—		1,970		—
Mortgage banking - forward sales commitment	325,145		—		1,964		98		86
Bifurcated embedded derivatives	51,935		—		1,449		5,268		—
Dealer offsets to bifurcated embedded derivatives	51,935		—		947		—		7,667
Total	3,389,643		83,288		29,003		35,007		14,636
Total derivatives	$	3,529,643	$	86,666	$	29,003	$	35,007	$	15,516
Total gross derivative instruments			$	86,666	$	29,003	$	35,007	$	15,516
Less: Amounts subject to master netting agreements			(114)		(114)		(401)		(401)
Less: Cash collateral received/pledged			(3,200)		(27,092)		—		(14,933)
Net amount			$	83,352	$	1,797	$	34,606	$	182

United clears certain derivatives centrally through the CME. CME rules legally characterize variation margin payments for centrally cleared derivatives as settlements of the derivatives’ exposure rather than as collateral. As a result, the variation margin payment and the related derivative instruments are considered a single unit of account for accounting purposes. Variation margin,

102

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(8) Derivatives and Hedging Activities, continued

as determined by the CME, is settled daily. As a result, derivative contracts that clear through the CME have an estimated fair value of zero.

Hedging Derivatives

Cash Flow Hedges of Interest Rate Risk

United enters into cash flow hedges to mitigate exposure to the variability of future cash flows or other forecasted transactions. During the second quarter of 2020, United entered into three cash flow hedges using interest rate caps and swaps with an aggregate notional amount of $120 million to hedge the variability of cash flows due to changes in interest rates on certain of its variable-rate subordinated debt and trust preferred securities. United considers these derivatives to be highly effective at achieving offsetting changes in cash flows attributable to changes in interest rates. Therefore, changes in the fair value of these derivative instruments are recognized in other comprehensive income. Gains and losses related to changes in fair value are reclassified into earnings in the periods the hedged forecasted transactions occur. Losses representing amortization of the premium recorded on cash flow hedges, which is a component excluded from the assessment of effectiveness, are recognized in earnings on a straight-line basis in the same caption as the hedged item over the term of the hedge. Over the next twelve months United expects to reclassify $594,000 of losses from AOCI into earnings related to these agreements.

At December 31, 2019, United had no active cash flow hedges. The loss remaining in other comprehensive income from prior hedges that had previously been de-designated was being amortized into earnings over the original term of the swaps as the forecasted transactions that the swaps were originally designated to hedge were still expected to occur. This was the only effect of cash flow hedges on the consolidated statements of income for the years ended December 31, 2019 and 2018. During the second quarter of 2019, United amortized the remaining balance of losses on terminated hedging positions from other comprehensive income. See Note 17 for further detail.

Fair Value Hedges of Interest Rate Risk

United is exposed to changes in the fair value of certain of its fixed-rate obligations due to changes in interest rates. United uses interest rate swaps to manage its exposure to changes in fair value on these instruments attributable to changes in interest rates. For derivatives designated and that qualify as fair value hedges, the gain or loss on the derivative as well as the offsetting loss or gain on the hedged item attributable to the hedged risk are recognized in earnings. United includes the gain or loss on the hedged items in the same income statement line item as the offsetting loss or gain on the related derivatives.

At December 31, 2020 and 2019, United had two and four interest rate swaps with an aggregate notional amount of $20.0 million and $37.9 million, respectively, that were designated as fair value hedges of fixed-rate brokered time deposits. The swaps involved the receipt of fixed-rate amounts from a counterparty in exchange for United making variable rate payments over the life of the agreements.

In certain cases, the estate of deceased brokered certificate of deposit holders may put the certificate of deposit back to United at par upon the death of the holder. When these events occur (estate puts), a gain or loss is recognized for the difference between the fair value and the par amount of the deposits put back. The change in the fair value of brokered time deposits that are being hedged in fair value hedging relationships reported in the table below includes gains and losses from estate puts.

103

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(8) Derivatives and Hedging Activities, continued

The table below presents the effect of derivatives in hedging relationships on the consolidated statements of income (in thousands).

	Year Ended December 31,
	2020		2019		2018
	Interest expense		Interest expense		Interest expense		Interest revenue - taxable investment securities		Other noninterest income
Total income (expense) presented in the consolidated statements of income	$	(56,237)	$	(83,312)	$	(61,330)	$	73,496	$	24,142
Gains (losses) on fair value hedging relationships:
Interest rate contracts:
Amounts related to interest settlements on derivatives	291		(327)		(245)		17		—
Recognized on derivatives	870		733		(220)		—		356
Recognized on hedged items	(880)		(766)		(145)		—		(447)
Net income (expense) recognized on fair value hedges	$	281	$	(360)	$	(610)	$	17	$	(91)
Losses on cash flow hedging relationships (1):
Interest rate contracts:
Realized losses reclassified from AOCI into net income (2)	$	(359)	$	—	$	—	$	—	$	—
Net expense recognized on cash flow hedges	$	(359)	$	—	$	—	$	—	$	—

(1) Excludes 2019 and 2018 amortization of losses related to de-designated cash flow hedges. See Note 17 for further detail.

(2) Includes $329,000 of premium amortization expense excluded from the assessment of hedge effectiveness for the year ended December 31, 2020.

The table below presents the carrying amount of hedged fixed-rate brokered time deposits and cumulative fair value hedging adjustments included in the carrying amount of the hedged liability for the periods presented (in thousands).

	December 31,
	2020				2019
Balance Sheet Location	Carrying amount of Assets (Liabilities)		Hedge Accounting Basis Adjustment		Carrying amount of Assets (Liabilities)		Hedge Accounting Basis Adjustment
Deposits	$	(20,216)	$	(235)	$	(35,880)	$	645

Derivatives Not Designated as Hedging Instruments

Customer derivative positions include swaps, caps, and collars between United and certain commercial loan customers with offsetting positions to dealers under a back-to-back program. In addition, United occasionally enters into credit risk participation agreements with counterparty banks to accept or transfer a portion of the credit risk related to interest rate swaps. The agreements, which are typically executed in conjunction with a participation in a loan with the same customer, allow customers to execute an interest rate swap with one bank while allowing for the distribution of the credit risk among participating members.

United also has three interest rate swap contracts that are not designated as hedging instruments but are economic hedges of market-linked brokered certificates of deposit. The market-linked brokered certificates of deposit contain embedded derivatives that are bifurcated from the host instruments and marked to market through earnings. The fair value marks on the market linked swaps and the bifurcated embedded derivatives tend to move in opposite directions with changes in 90-day LIBOR and therefore provide an economic hedge.

In addition, United originates certain residential mortgage loans with the intention of selling these loans. Between the time United enters into an interest-rate lock commitment to originate a residential mortgage loan that is to be held for sale and the time the

104

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Notes to Consolidated Financial Statements

(8) Derivatives and Hedging Activities, continued

loan is funded and eventually sold, United is subject to the risk of variability in market prices. United also enters into forward sale agreements to mitigate risk and to protect the expected gain on the eventual loan sale. The commitments to originate residential mortgage loans and forward loan sales commitments are freestanding derivative instruments. Fair value adjustments on these derivative instruments are recorded within mortgage loan gains and related fees in the consolidated statements of income.

The table below presents the gains and losses recognized in income on derivatives not designated as hedging instruments for the periods indicated (in thousands). 

	Income Statement Location	Year Ended December 31,
		2020		2019		2018
Customer derivatives and dealer offsets	Other noninterest income	$	6,732	$	2,878	$	2,658
Bifurcated embedded derivatives and dealer offsets	Other noninterest income	(63)		212		307
Interest rate caps	Other noninterest income	—		—		501
De-designated hedges	Other noninterest income	—		(193)		31
Mortgage banking derivatives	Mortgage loan revenue	(7,873)		(1,797)		904
Risk participations	Other noninterest income	(340)		(3)		12
Total gains and losses		$	(1,544)	$	1,097	$	4,413

Credit-risk-related Contingent Features

United manages its credit exposure on derivative transactions by entering into a bilateral credit support agreement with each non-customer counterparty. The credit support agreements require collateralization of exposures beyond specified minimum threshold amounts. The details of these agreements, including the minimum thresholds, vary by counterparty.

United’s agreements with each of its derivative counterparties contain a provision where if either party defaults on any of its indebtedness, then it could also be declared in default on its derivative obligations. The agreements with derivative counterparties also include provisions that if not met, could result in United being declared in default. United has agreements with certain of its derivative counterparties that provide that if United fails to maintain its status as a well-capitalized institution or is subject to a prompt corrective action directive, the counterparty could terminate the derivative positions and United would be required to settle its obligations under the agreements. Derivatives that are centrally cleared do not have credit-risk-related features that require additional collateral if United’s credit rating were downgraded.

(9)    Goodwill and Other Intangible Assets

The carrying amount of goodwill and other intangible assets is summarized below as of the dates indicated (in thousands):

	December 31,
	2020		2019
Core deposit intangible	$	36,162	$	32,802
Less: accumulated amortization	(22,148)		(17,980)
Net core deposit intangible	14,014		14,822
Goodwill	367,809		327,425
Total goodwill and other intangible assets, net	$	381,823	$	342,247

The following is a summary of changes in the carrying amounts of goodwill for the years indicated (in thousands):

	Goodwill (1)
December 31, 2018	$	307,112
Acquisition of FMBT	20,313
December 31, 2019	327,425
Acquisition of Three Shores	40,384
December 31, 2020	$	367,809

(1) Goodwill balances presented are shown net of accumulated impairment losses of $306 million incurred prior to 2018. Gross goodwill for December 31, 2020, 2019, and 2018 totaled $673 million, $633 million and $613 million, respectively.

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Notes to Consolidated Financial Statements

(9)    Goodwill and Other Intangible Assets, continued

The estimated aggregate amortization expense for future periods for core deposit intangibles is as follows (in thousands): 

Year
2021	$	3,622
2022	2,915
2023	2,321
2024	1,834
2025	1,414
Thereafter	1,908
Total	$	14,014

(10) Servicing Assets and Liabilities

Servicing Rights for SBA/USDA Loans

United accounts for servicing rights for SBA/USDA loans at fair value. The following table summarizes the changes in SBA/USDA servicing rights for the years indicated (in thousands).

	2020		2019		2018
Servicing rights for SBA/USDA loans, beginning of period	$	6,794	$	7,510	$	7,740
Originated servicing rights capitalized upon sale of loans	1,114		1,835		2,573
Disposals	(624)		(1,258)		(810)
Measurement period adjustment to acquired servicing rights	—		—		(354)
Changes in fair value due to change in inputs or assumptions used in the valuation	(822)		(1,293)		(1,639)
Servicing rights for SBA/USDA loans, end of period	$	6,462	$	6,794	$	7,510

The portfolio of SBA/USDA loans serviced for others, which is not included in the accompanying balance sheets, was $402 million and $411 million, respectively, at December 31, 2020 and 2019. The amount of contractually specified servicing fees earned by United on these servicing rights during the years ended December 31, 2020, 2019 and 2018 was $3.77 million, $3.82 million and $3.44 million, respectively.

A summary of the key characteristics, inputs, and economic assumptions used in the discounted cash flow method utilized to estimate the fair value of the servicing asset for SBA/USDA loans and the sensitivity of the fair values to immediate adverse changes in those assumptions are shown in the table below as of the dates indicated (dollars in thousands):

	December 31,
	2020			2019
Fair value of retained servicing assets	$	6,462		$	6,794
Prepayment rate assumption:
Weighted average	17.8		%	16.5		%
Range	2.7% - 33.6%
10% adverse change	$	(358)		$	(352)
20% adverse change	(680)			(671)
Discount rate:
Weighted average	8.9		%	12.3		%
Range	1.6% - 44.1%
100 bps adverse change	$	(171)		$	(184)
200 bps adverse change	(333)			(358)
Life (in years):
Weighted-average	3.5			3.9
Range	0.6 - 5.6
Gross margin:
Weighted-average	1.9		%	1.9		%
Range	0.0% - 3.2%

The above sensitivities are hypothetical and changes in fair value based on variations in assumptions generally cannot be extrapolated because the relationship of the change in assumption to the change in fair value may not be linear. Also, in this table,

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Notes to Consolidated Financial Statements

(10) Servicing Assets and Liabilities, continued

the effect of a variation in a particular assumption is calculated without changing any other assumption. In reality, changes in one factor may result in changes in another, which might magnify or counteract the sensitivities.

Residential Mortgage Servicing Rights

United accounts for residential mortgage servicing rights at fair value. The following table summarizes the changes in residential mortgage servicing rights for the years indicated (in thousands).

	2020		2019		2018
Residential mortgage servicing rights, beginning of period	$	13,565	$	11,877	$	8,262
Originated servicing rights capitalized upon sale of loans	11,911		5,783		4,587
Disposals	(2,868)		(1,098)		(537)
Changes in fair value due to change in inputs or assumptions used in the valuation	(6,392)		(2,997)		(435)
Residential mortgage servicing rights, end of period	$	16,216	$	13,565	$	11,877

The portfolio of residential mortgage loans serviced for others, which is not included in the consolidated balance sheets, was $2.31 billion and $1.60 billion, respectively, at December 31, 2020 and 2019. The amount of contractually specified servicing fees earned by United on these servicing rights during the years ended December 31, 2020, 2019 and 2018 was $4.82 million, $3.67 million and $2.37 million, respectively.

A summary of the key characteristics, inputs, and economic assumptions used to estimate the fair value of the servicing asset for residential mortgage loans and the sensitivity of the fair values to immediate adverse changes in those assumptions are shown in the table below as of the dates indicated (in thousands):

	December 31,
	2020			2019
Fair value of retained servicing assets	$	16,216		$	13,565
Prepayment rate assumption:
Weighted average	17.7		%	14.1		%
Range	8.7% - 19.5%
10% adverse change	$	(999)		$	(662)
20% adverse change	(1,912)			(1,270)
Discount rate:
Weighted average	10.0		%	10.0		%
Range	10.0% - 11.0%
100 bps adverse change	$	(518)		$	(467)
200 bps adverse change	(1,001)			(900)

The above sensitivities are hypothetical and changes in fair value based on variations in assumptions generally cannot be extrapolated because the relationship of the change in assumption to the change in fair value may not be linear. Also, in this table, the effect of a variation in a particular assumption is calculated without changing any other assumption. In reality, changes in one factor may result in changes in another, which might magnify or counteract the sensitivities.

Servicing Liabilities for Equipment Financing Loans

United accounts for servicing liabilities associated with sold equipment finance loans using the amortization method. The portfolio of equipment financing loans serviced for others, which is not included in the accompanying balance sheets, was $45.5 million and $42.4 million at December 31, 2020 and 2019, respectively. The servicing liabilities related to these loans totaled $357,000 and $363,000 at December 31, 2020 and 2019, respectively.

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Notes to Consolidated Financial Statements

(11)    Time Deposits

At December 31, 2020, the contractual maturities of time deposits, including brokered time deposits, are summarized as follows (in thousands):

2021	$	1,418,807
2022	211,523
2023	59,153
2024	25,513
2025	20,816
Thereafter	50,579
Total time deposits	$	1,786,391

At December 31, 2020 and 2019, time deposits, excluding brokered time deposits, that met or exceeded the FDIC insurance limit of $250,000 totaled $317 million and $367 million, respectively.

(12) Long-term Debt

Long-term debt consisted of the following (in thousands):

	December 31,				Issue Date	Stated Maturity Date	Earliest Call Date
	2020		2019					Interest Rate
Obligations of the Bank:
2026 subordinated debentures	$	15,000	$	—	2016	2026	2021	5.875% through August 2021, 3-month LIBOR plus 4.70% thereafter
	15,000		—
Obligations of the Holding Company:
2022 senior debentures	50,000		50,000		2015	2022	2020	5.000% through August 2020, 3-month LIBOR plus 3.814% thereafter
2027 senior debentures	35,000		35,000		2015	2027	2025	5.500% through August 2025, 3-month LIBOR plus 3.71% thereafter
2030 senior debentures	100,000		—		2020	2030	2025	5.00% through June 2025, 3-month SOFR plus 4.87% thereafter
Total senior debentures	185,000		85,000
2028 subordinated debentures	100,000		100,000		2018	2028	2023	4.500% through January 2023, 3-month LIBOR plus 2.12% thereafter
2025 subordinated debentures	11,250		11,250		2015	2025	2020	6.250%
Total subordinated debentures	111,250		111,250
Southern Bancorp Capital Trust I	4,382		4,382		2004	2034	2009	Prime + 1.00%
Tidelands Statutory Trust I	8,248		8,248		2006	2036	2011	3-month LIBOR plus 1.38%
Four Oaks Statutory Trust I	12,372		12,372		2006	2036	2011	3-month LIBOR plus 1.35%
Total trust preferred securities	25,002		25,002
Less net discount	(9,296)		(8,588)
Total long-term debt	$	326,956	$	212,664

Interest is currently paid at least semiannually for all senior and subordinated debentures, and trust preferred securities.

Subsequent to year-end, United redeemed in whole the 2025 subordinated debentures and the Southern Bancorp Capital Trust I trust preferred securities. 

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Notes to Consolidated Financial Statements

(13) Operating Leases

The following table presents the balances of the right-of-use asset and corresponding operating lease liability as of the dates indicated (in thousands).

		December 31,
	Balance Sheet Location	2020		2019
Right-of-use asset	Other assets	$	31,398	$	19,894
Operating lease liability	Other liabilities	33,095		22,039

During 2020, United obtained building and office space right-of-use assets resulting in an increase in its operating lease liability of $17.4 million. Leases assumed as part of the Three Shores transaction accounted for $15.1 million of the increase.

The table below presents the operating lease income and expense recognized for the periods indicated (in thousands).

	Income Statement Location	2020		2019
Operating lease cost	Occupancy expense	$	6,449	$	5,067
Variable lease cost	Occupancy expense	757		449
Short-term lease cost	Occupancy expense	100		136
Total lease cost		$	7,306	$	5,652
Sublease income and rental income from owned properties under operating leases	Other noninterest income	$	1,022	$	1,160

Rent expense recorded in accordance with ASC 840 for the year ended December 31, 2018 was $4.70 million.

As of December 31, 2020, the weighted average remaining lease term and weighted average discount rate of operating leases was 5.74 years and 1.79%, respectively. Absent a readily determinable interest rate in the lease agreement, the discount rate applied to each individual lease obligation was the Bank’s incremental borrowing rate for secured borrowings.

As of December 31, 2020, future minimum lease payments under operating leases were as follows (in thousands):

Year
2021	$	7,446
2022	7,544
2023	6,953
2024	3,417
2025	2,403
Thereafter	6,996
Total	34,759
Less discount	(1,664)
Present value of lease liability	$	33,095

(14)    Fair Value Measurements

Fair value measurements are determined based on the assumptions that market participants would use in pricing the asset or liability. As a basis for considering market participant assumptions in fair value measurements, United uses a fair value hierarchy that distinguishes between market participant assumptions based on market data obtained from sources independent of the reporting entity (observable inputs that are classified within Levels 1 and 2 of the hierarchy) and the reporting entity’s own assumptions about market participant assumptions (unobservable inputs classified within Level 3 of the hierarchy). United has processes in place to review the significant valuation inputs and to reassess how the instruments are classified in the valuation framework.

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Notes to Consolidated Financial Statements

(14) Fair Value Measurements, continued

Fair Value Hierarchy

Level 1 Valuation is based upon quoted prices (unadjusted) in active markets for identical assets or liabilities that United has the ability to access.

Level 2 Valuation is based upon quoted prices for similar assets and liabilities in active markets, as well as inputs that are observable for the asset or liability (other than quoted prices), such as interest rates, foreign exchange rates, and yield curves that are observable at commonly quoted intervals.

Level 3 Valuation is generated from model-based techniques that use at least one significant assumption based on unobservable inputs for the asset or liability, which are typically based on an entity’s own assumptions, as there is little, if any, related market activity.

In instances where the determination of the fair value measurement is based on inputs from different levels of the fair value hierarchy, the level in the fair value hierarchy within which the entire fair value measurement falls is based on the lowest level input that is significant to the fair value measurement in its entirety. United’s assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment, and considers factors specific to the asset or liability. 

The following is a description of the valuation methodologies used for assets and liabilities recorded at fair value.

Investment Securities

Debt securities available-for-sale and equity securities with readily determinable fair values are recorded at fair value on a recurring basis. Fair value measurement is based upon quoted prices, if available. If quoted prices are not available, fair values are measured using independent pricing models or other model-based valuation techniques such as the present value of future cash flows, adjusted for the security’s credit rating, prepayment assumptions and other factors such as credit loss assumptions. Level 1 securities include those traded on an active exchange, such as the New York Stock Exchange, U.S. Treasury securities that are traded by dealers or brokers in active over-the-counter markets and money market funds. Level 2 securities include mortgage-backed securities issued by government sponsored entities, municipal bonds, corporate debt securities and asset-backed securities and are valued based on observable inputs that include: quoted market prices for similar assets, quoted market prices that are not in an active market or other inputs that are observable in the market and can be corroborated by observable market data for substantially the full term of the securities. Securities classified as Level 3 include those traded in less liquid markets and are valued based on estimates obtained from broker-dealers that are not directly observable.

Deferred Compensation Plan Assets and Liabilities

Included in other assets in the consolidated balance sheets are assets related to employee deferred compensation plans. The assets associated with these plans are invested in mutual funds and classified as Level 1. Deferred compensation liabilities, also classified as Level 1, are carried at the fair value of the obligation to the employee, which mirrors the fair value of the invested assets and is included in other liabilities in the consolidated balance sheets.

Mortgage Loans Held for Sale

United has elected the fair value option for newly originated mortgage loans held for sale in order to reduce certain timing differences and better match changes in fair values of the loans with changes in the value of derivative instruments used to economically hedge them. The fair value of mortgage loans held for sale is determined using quoted prices for a similar asset, adjusted for specific attributes of that loan and are classified as Level 2.

Derivative Financial Instruments

United uses derivatives to manage interest rate risk. The valuation of these instruments is typically determined using widely accepted valuation techniques including discounted cash flow analysis on the expected cash flows of each derivative. This analysis reflects the contractual terms of the derivatives, including the period to maturity, and uses observable market-based inputs, including interest rate curves and implied volatilities. The fair values of interest rate swaps are determined using the market standard methodology of netting the discounted future fixed cash receipts and the discounted expected variable cash payments. The variable cash payments are based on an expectation of future interest rates (forward curves) derived from observable market interest rate curves. United also uses best effort and mandatory delivery forward loan sale commitments to hedge risk in its mortgage lending business.

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Notes to Consolidated Financial Statements

(14) Fair Value Measurements, continued

United incorporates credit valuation adjustments (“CVAs”) as necessary to appropriately reflect the respective counterparty’s nonperformance risk in the fair value measurements. In adjusting the fair value of its derivative contracts for the effect of nonperformance risk, United has considered the effect of netting and any applicable credit enhancements, such as collateral postings, thresholds and guarantees.

Management has determined that the majority of the inputs used to value its derivatives fall within Level 2 of the fair value hierarchy. However, the CVAs associated with these derivatives utilize Level 3 inputs, such as estimates of current credit spreads, to evaluate the likelihood of default by itself and its counterparties. Generally, management’s assessment of the significance of the CVAs has indicated that they are not a significant input to the overall valuation of the derivatives. In cases where management’s assessment indicates that the CVA is a significant input, the related derivative is disclosed as a Level 3 value. During the second quarter of 2020, certain derivative assets were transferred from Level 2 to Level 3 of the fair value hierarchy due to a change in the assessment of significance of the CVA.

Other derivatives classified as Level 3 include structured derivatives for which broker quotes, used as a key valuation input, were not observable. Risk participation agreements are classified as Level 3 instruments due to the incorporation of significant Level 3 inputs used to evaluate the probability of funding and the likelihood of customer default. Interest rate lock commitments, which relate to mortgage loan commitments, are categorized as Level 3 instruments as the fair value of these instruments is based on unobservable inputs for commitments that United does not expect to fund.

Servicing Rights for Residential Mortgage and SBA/USDA Loans

United recognizes servicing rights upon the sale of residential mortgage and SBA/USDA loans sold with servicing retained. Management has elected to carry these assets at fair value. Given the nature of the assets, the key valuation inputs are unobservable and management considers these Level 3 assets. For disclosure regarding the fair value of servicing rights, see Note 10.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The table below presents United’s assets and liabilities measured at fair value on a recurring basis, aggregated by the level in the fair value hierarchy within which those measurements fall (in thousands):

December 31, 2020	Level 1		Level 2		Level 3		Total
Assets:
Debt securities available for sale:
U.S. Treasuries	$	128,072	$	—	$	—	$	128,072
U.S. Government agencies & GSEs	—		152,972		—		152,972
State and political subdivisions	—		274,472		—		274,472
Residential mortgage-backed securities	—		1,485,585		—		1,485,585
Commercial mortgage-backed securities	—		549,131		—		549,131
Corporate bonds	—		70,017		1,750		71,767
Asset-backed securities	—		562,722		—		562,722
Equity securities with readily determinable fair values	774		913		—		1,687
Mortgage loans held for sale	—		105,433		—		105,433
Deferred compensation plan assets	9,584		—		—		9,584
Servicing rights for SBA/USDA loans	—		—		6,462		6,462
Residential mortgage servicing rights	—		—		16,216		16,216
Derivative financial instruments	—		75,887		10,779		86,666
Total assets	$	138,430	$	3,277,132	$	35,207	$	3,450,769
Liabilities:
Deferred compensation plan liability	$	9,590	$	—	$	—	$	9,590
Derivative financial instruments	—		26,595		2,408		29,003
Total liabilities	$	9,590	$	26,595	$	2,408	$	38,593

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Notes to Consolidated Financial Statements

(14) Fair Value Measurements, continued

December 31, 2019	Level 1		Level 2		Level 3		Total
Assets:
Securities available for sale:
U.S. Treasuries	$	154,618	$	—	$	—	$	154,618
U.S. Government agencies & GSEs	—		3,035		—		3,035
State and political subdivisions	—		226,490		—		226,490
Residential mortgage-backed securities	—		1,299,025		—		1,299,025
Commercial mortgage-backed securities	—		284,953		—		284,953
Corporate bonds	—		202,093		998		203,091
Asset-backed securities	—		103,369		—		103,369
Equity securities with readily determinable fair values	1,973		—		—		1,973
Mortgage loans held for sale	—		58,484		—		58,484
Deferred compensation plan assets	8,133		—		—		8,133
Servicing rights for SBA/USDA loans	—		—		6,794		6,794
Residential mortgage servicing rights	—		—		13,565		13,565
Derivative financial instruments	—		27,769		7,238		35,007
Total assets	$	164,724	$	2,205,218	$	28,595	$	2,398,537
Liabilities:
Deferred compensation plan liability	$	8,132	$	—	$	—	$	8,132
Derivative financial instruments	—		6,957		8,559		15,516
Total liabilities	$	8,132	$	6,957	$	8,559	$	23,648

For disclosure regarding the fair value of servicing rights, see Note 10. The following table shows a reconciliation of the beginning and ending balances for all other assets measured at fair value on a recurring basis using significant unobservable inputs that are classified as Level 3 values (in thousands):

	Derivative Asset		Derivative Liability		Debt Securities Available- for-Sale
December 31, 2017	$	12,207	$	16,744	$	900
Sales and settlements	(1,029)		(1,347)		—
Other comprehensive income	—		—		95
Amounts included in earnings - fair value adjustments	663		335		—
December 31, 2018	11,841		15,732		995
Sales and settlements	(1,135)		(2,330)		—
Other comprehensive income	—		—		3
Amounts included in earnings - fair value adjustments	(3,468)		(4,843)		—
December 31, 2019	7,238		8,559		998
Transfers into Level 3	583		—		—
Additions	368		—		1,750
Sales and settlements	—		—		(1,000)
Other comprehensive income	—		—		2
Amounts included in earnings - fair value adjustments	2,590		(6,151)		—
December 31, 2020	$	10,779	$	2,408	$	1,750

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Notes to Consolidated Financial Statements

(14) Fair Value Measurements, continued

The following table presents quantitative information about recurring Level 3 fair value measurements, excluding servicing rights which are detailed in Note 10 (in thousands): 

	Valuation Technique		December 31,
Level 3 Assets		Unobservable Inputs	2020			2019
			Low	High	Weighted Average	Weighted Average
Corporate bonds	Indicative bid provided by a broker	Multiple factors, including but not limited to, current operations, financial condition, cash flows, and similar financing transactions executed in the market	N/A	N/A	N/A	N/A
Derivative assets - mortgage	Internal model	Pull through rate	65.6%	100%	83.9%	83.6%
Derivative assets - customer derivative positions	Internal model	Probability of default rate & loss given default	100	100	100	N/A
Derivative assets & liabilities - risk participations	Internal model	Probable exposure rate	0.06	3.66	1.81	0.36
		Probability of default rate	0.16	13.1	4.03	1.80
Derivative assets & liabilities - other	Dealer priced	Dealer priced	N/A	N/A	N/A	N/A

Fair Value Option

United records mortgage loans held for sale at fair value under the fair value option. Interest income on these loans is calculated based on the note rate of the loan and is recorded in interest revenue. The following tables present the fair value and outstanding principal balance of these loans, as well as the gain or loss recognized resulting from the change in fair value for the periods indicated (in thousands).

	Mortgage Loans Held for Sale
	December 31,
	2020		2019
Outstanding principal balance	$	99,746	$	56,613
Fair value	105,433		58,484

	Amount of Gain (Loss) Recognized on Mortgage Loans Held for Sale
Location	2020		2019		2018
Mortgage loan gains and other related fees	$	3,815	$	1,177	$	(133)

Changes in fair value were mostly offset by hedging activities. An immaterial portion of these amounts was attributable to changes in instrument-specific credit risk.

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis

United may be required, from time to time, to measure certain assets at fair value on a nonrecurring basis. These adjustments to fair value usually result from the application of lower of amortized cost or fair value accounting or write-downs of individual assets due to impairment.

The following table presents the fair value hierarchy and carrying value of all assets that were still held as of December 31, 2020 and 2019, for which a nonrecurring fair value adjustment was recorded during the periods presented (in thousands).

December 31, 2020	Level 1		Level 2		Level 3		Total
Loans	$	—	$	—	$	29,404	$	29,404
December 31, 2019
Loans	$	—	$	—	$	20,977	$	20,977

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Notes to Consolidated Financial Statements

(14) Fair Value Measurements, continued

Loans that are reported above as being measured at fair value on a nonrecurring basis are generally impaired loans that have either been partially charged off or have been assigned a specific reserve. Nonaccrual loans that are collateral dependent are generally written down to net realizable value, which reflects fair values less the estimated costs to sell. Specific reserves that are established based on appraised value of collateral are considered nonrecurring fair value adjustments as well. When the fair value of the collateral is based on an observable market price or a current appraised value, United records the impaired loan as nonrecurring Level 2. When an appraised value is not available or management determines the fair value is further impaired below the appraised value and there is no observable market price, United records the impaired loan as nonrecurring Level 3.

Assets and Liabilities Not Measured at Fair Value

For financial instruments that have quoted market prices, those quotes are used to determine fair value. Financial instruments that have no defined maturity, have a remaining maturity of 180 days or less, or reprice frequently to a market rate are assumed to have a fair value that approximates reported book value, after taking into consideration any applicable credit risk. If no market quotes are available, financial instruments are valued by discounting the expected cash flows using an estimated current market interest rate for the financial instrument. For off-balance sheet derivative instruments, fair value is estimated as the amount that United would receive or pay to terminate the contracts at the reporting date, taking into account the current unrealized gains or losses on open contracts.

Cash and cash equivalents and repurchase agreements have short maturities and therefore the carrying value approximates fair value. Due to the short-term settlement of accrued interest receivable and payable, the carrying amount closely approximates fair value.

Fair value estimates are made at a specific point in time, based on relevant market information and information about the financial instrument. These estimates do not reflect the premium or discount on any particular financial instrument that could result from the sale of United’s entire holdings. All estimates are inherently subjective in nature. Changes in assumptions could significantly affect the estimates.

Fair value estimates are based on existing on and off-balance sheet financial instruments without attempting to estimate the value of anticipated future business and the value of assets and liabilities that are not considered financial instruments. Significant assets and liabilities that are not considered financial instruments include the mortgage banking operation, wealth management network, deferred income taxes, premises and equipment and goodwill. In addition, the tax ramifications related to the realization of the unrealized gains and losses can have a significant effect on fair value estimates and have not been considered in the estimates.

Off-balance sheet instruments (commitments to extend credit and standby letters of credit) for which draws can be reasonably predicted are generally short-term and at variable rates. Therefore, both the carrying amount and the estimated fair value associated with these instruments are immaterial.

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Notes to Consolidated Financial Statements

(14) Fair Value Measurements, continued

The carrying amount and fair values for other financial instruments that are not measured at fair value on a recurring basis in United’s consolidated balance sheets are as follows (in thousands):

	Carrying Amount		Fair Value Level
December 31, 2020			Level 1		Level 2		Level 3		Total
Assets:
Securities held to maturity	$	420,361	$	—	$	437,193	$	—	$	437,193
Loans, net	11,233,805		—		—		11,209,717		11,209,717
Liabilities:
Deposits	15,232,358		—		15,232,274		—		15,232,274
Long-term debt	326,956		—		—		336,763		336,763
December 31, 2019
Assets:
Securities held to maturity	$	283,533	$	—	$	287,904	$	—	$	287,904
Loans, net	8,750,464		—		—		8,714,592		8,714,592
Liabilities:
Deposits	10,897,244		—		10,897,465		—		10,897,465
Long-term debt	212,664		—		—		217,665		217,665

(15) Common and Preferred Stock

Common Stock

In November of 2020, United’s Board re-authorized its common stock repurchase plan to permit the repurchase of up to $50 million of its common stock. The program is scheduled to expire on the earlier of United’s repurchase of its common stock having an aggregate purchase price of $50 million or December 31, 2021. Under the program, shares may be repurchased in open market transactions or in privately negotiated transactions, from time to time, subject to market conditions. During 2020 and 2019, 826,482 and 500,495 shares were repurchased under the program, respectively. During 2018, no shares were repurchased under the program. As of December 31, 2020, United had remaining authorization to repurchase up to $50.0 million of outstanding common stock under the program.

United sponsors a DRIP that allows participants who already own United’s common stock to purchase additional shares directly from the Company. The DRIP also allows participants to automatically reinvest their quarterly dividends in additional shares of common stock without a commission. In 2020, 2019 and 2018, 38,107, 62,629 and 7,307 shares, respectively, were issued under the DRIP.

Preferred Stock

During 2020, United issued $100 million, or 4,000 shares, of Series I perpetual non-cumulative preferred stock (“Preferred Stock”) with a dividend rate of 6.875% per annum for net proceeds of $96.4 million and corresponding depositary shares each representing a 1/1,000th interest in one share of Preferred Stock. If declared, dividends are payable quarterly in arrears. The Preferred Stock has no stated maturity and redemption is solely at the option of United in whole, but not in part, upon the occurrence of a regulatory capital treatment event, as defined. In addition, the Preferred Stock may be redeemed on or after September 15, 2025 at a cash redemption price equal to $25,000 per share (equivalent to $25 per depositary share) plus any declared and unpaid dividends. As of December 31, 2020, the Preferred Stock had a carrying amount of $96.4 million. United had no preferred stock outstanding as of December 31, 2019.

(16) Equity Compensation Plans

United has an equity compensation plan that allows for grants of various share-based compensation. Options granted under the plan can have an exercise price no less than the fair market value of the underlying stock at the date of grant. The general terms of the plan include a vesting period (usually four years) with an exercisable period not to exceed ten years. Certain options and restricted stock unit awards provide for accelerated vesting if there is a change in control of United or certain other conditions are met (as defined in the plan document). As of December 31, 2020, 908,000 additional awards could be granted under the plan.

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UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(16) Equity Compensation Plans, continued

Restricted stock units and options outstanding and activity for the years ended December 31 consisted of the following:

	Restricted Stock Units					Options
	Shares	Weighted Average Grant Date Fair Value		Aggregate Intrinsic Value (000’s)		Shares	Weighted Average Exercise Price
December 31, 2017	663,817	$	22.40			60,287	$	24.12
Granted	416,484	30.54				—	—
Vested / Exercised	(290,013)	20.18				(12,000)	11.85
Cancelled	(30,542)	23.65				(1,148)	31.50
December 31, 2018	759,746	27.66				47,139	27.07
Granted	315,827	26.74				—	—
Vested / Exercised	(216,138)	25.38				(13,000)	16.34
Expired	—					(30,243)	31.43
Cancelled	(51,011)	27.18				(2,396)	29.68
December 31, 2019	808,424	27.94				1,500	27.95
Granted	446,512	19.15				—	—
Vested / Exercised	(324,697)	26.42		$	7,212	—	—
Expired	—					(1,500)	27.95
Cancelled	(36,808)	25.73				—	—
December 31, 2020	893,431	23.75		25,409		—

No compensation expense relating to options was included in earnings for 2020 or 2019. Compensation expense relating to options of $18,000 was included in earnings for 2018. The amount of compensation expense for all periods was determined based on the fair value of options at the time of grant, multiplied by the number of options granted that were expected to vest, which was then amortized over the vesting period.

Compensation expense for restricted stock units without market conditions is based on the market value of United’s common stock on the date of grant. United recognizes the impact of forfeitures as they occur. The value of restricted stock unit awards is amortized into expense over the service period. 

Compensation expense recognized in the consolidated statements of income for employee restricted stock unit awards in 2020, 2019 and 2018 was $7.40 million, $8.98 million and $5.69 million, respectively. Of the expense related to restricted stock unit awards during the twelve months ended December 31, 2019, $1.38 million related to the modification of existing awards resulting from an acceleration of vesting of awards due to retirement and $740,000 related to awards granted in conjunction with an acquisition, both of which were recognized in merger-related and other charges in the consolidated statement of income. The remaining 2019 expense of $6.86 million was recognized in salaries and employee benefits expense, as were the entire amounts for 2020 and 2018. In addition, in 2020, 2019, and 2018, $484,000, $379,000 and $338,000, respectively, was recognized in other operating expenses for restricted stock unit awards granted to members of the Board.

During 2020, 2019 and 2018, in addition to time-based restricted stock unit awards, the Board approved PSUs. The PSUs will vest based on achieving, during the applicable calendar-year performance periods, certain performance and market targets relative to a bank peer group. Achievement of the base-level performance and market targets for all applicable periods will result in the issuance of 148,109 shares, which are included in the outstanding balance in the table above. Additional shares may be issued if more stringent performance and market hurdles are met. The grant date per share fair market value of these PSUs was estimated using the Monte Carlo Simulation valuation model.

Deferred income tax benefits related to compensation expense for options and restricted stock units of $2.01 million, $2.39 million and $1.54 million were included in the determination of income tax expense in 2020, 2019 and 2018, respectively. As of December 31, 2020, there was $14.4 million of unrecognized compensation cost related to restricted stock units granted under the plan. The cost is expected to be recognized over a weighted-average period of 2.6 years.

116

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(17)    Reclassifications Out of AOCI

The following presents the details regarding amounts reclassified out of AOCI (in thousands). 

	Amounts Reclassified from AOCI For the Years Ended December 31,
Details about AOCI Components							Affected Line Item in the Statement Where Net Income is Presented
	2020		2019		2018
Realized gains (losses) on available-for-sale securities:
	$	748	$	(1,021)	$	(656)	Securities gains (losses), net
	(191)		247		132		Income tax (expense) benefit
	$	557	$	(774)	$	(524)	Net of tax
Amortization of losses included in net income on available-for-sale securities transferred to held to maturity:
	$	(723)	$	(383)	$	(739)	Investment securities interest revenue
	173		92		180		Income tax benefit
	$	(550)	$	(291)	$	(559)	Net of tax
Reclassifications related to derivative financial instruments accounted for as cash flow hedges:
Amortization of losses on de-designated positions	$	—	$	(235)	$	—	Other expense
Amortization of losses on de-designated positions	—		(102)		(499)		Deposit interest expense
Interest rate contracts	(359)		—		—		Long-term debt interest expense
	(359)		(337)		(499)		Total before tax
	91		86		129		Income tax benefit
	$	(268)	$	(251)	$	(370)	Net of tax
Reclassifications related to defined benefit pension plan activity:
Prior service cost	$	(531)	$	(640)	$	(666)	Salaries and employee benefits expense
Actuarial losses	(326)		(59)		(241)		Other expense
Termination of Funded Plan	—		(1,558)		—		Merger-related and other
	(857)		(2,257)		(907)		Total before tax
	219		576		247		Income tax benefit
	$	(638)	$	(1,681)	$	(660)	Net of tax
Total reclassifications for the period	$	(899)	$	(2,997)	$	(2,113)	Net of tax
Amounts shown above in parentheses reduce earnings

117

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(18) Earnings Per Share

The following table sets forth the computation of basic and diluted net income per common share for the years indicated (in thousands, except per share data):

	Year Ended December 31,
	2020		2019		2018
Net income	$	164,089	$	185,721	$	166,111
Undistributed earnings allocated to participating securities	(1,287)		(1,375)		(1,184)
Dividends on preferred stock	(3,533)		—		—
Net income available to common stockholders	$	159,269	$	184,346	$	164,927
Net income per common share:
Basic	$	1.91	$	2.31	$	2.07
Diluted	1.91		2.31		2.07
Weighted average common shares:
Basic	83,184		79,700		79,662
Effect of dilutive securities:
Stock options	—		1		7
Restricted stock units	64		7		2
Diluted	83,248		79,708		79,671

At December 31, 2020, United had no potentially dilutive instruments outstanding that were not included in the above analysis.

At December 31, 2019, United had the following potentially dilutive instruments outstanding: 1,000 shares of common stock issuable upon exercise of stock options with a weighted average exercise price of $30.45 and 183,168 shares of common stock issuable upon vesting of restricted stock unit awards.

At December 31, 2018, United excluded 32,316 potentially dilutive shares of common stock issuable upon exercise of stock options because of their antidilutive effect.

(19) Income Taxes

Income tax expense is as follows for the years indicated (in thousands):

	Year Ended December 31,
	2020		2019		2018
Current	$	42,688	$	38,082	$	17,185
Deferred	2,668		14,909		32,630
Total income tax expense	$	45,356	$	52,991	$	49,815

118

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(19) Income Taxes, continued

The differences between the provision for income taxes and the amount computed by applying the statutory federal income tax rate of 21% in 2020, 2019 and 2018 to income before income taxes are as follows for the years indicated (in thousands):

	Year Ended December 31,
	2020		2019		2018
Pretax income at statutory rates	$	43,983	$	50,130	$	45,344
Add (deduct):
State taxes, net of federal benefit	5,928		7,168		6,765
BOLI earnings	(1,052)		(1,127)		(747)
Adjustment to reserve for uncertain tax positions	(1,212)		84		80
Tax-exempt interest revenue	(2,169)		(1,827)		(1,229)
Equity compensation	(174)		(375)		(892)
Transaction costs	217		16		78
Tax credit investments	(930)		(464)		(29)
Change in state statutory tax rate	—		—		583
Other	765		(614)		(138)
Total income tax expense	$	45,356	$	52,991	$	49,815

The following summarizes the sources and expected tax consequences of future taxable deductions (revenue) which comprise the net DTA as of the dates indicated (in thousands):

	December 31,
	2020		2019
DTAs:
ACL	$	33,213	$	14,910
Net operating loss carryforwards	22,277		27,568
Deferred compensation	10,012		9,363
Loan purchase accounting adjustments	8,567		6,599
Reserve for losses on foreclosed properties	33		20
Nonqualified share based compensation	1,833		2,041
Accrued expenses	6,865		3,958
Investment in partnerships	71		67
Unamortized pension actuarial losses and prior service cost	1,981		1,739
Securities purchase accounting adjustments	—		687
Lease liability	8,055		5,327
Other	4,018		1,351
Total DTAs	96,925		73,630
DTLs:
Unrealized gains on securities available-for-sale	17,439		7,943
Unrealized gains on cash flow hedges	54		—
Acquired intangible assets	2,576		2,530
Premises and equipment	4,241		3,002
Loan origination costs	4,857		3,538
True tax leases	7,846		7,783
Prepaid expenses	230		373
Servicing assets	4,816		4,428
Derivatives	2,250		1,075
Right-of-use asset	7,642		4,809
Securities purchase accounting adjustments	3,146		—
Uncertain tax positions	1,813		1,792
Total DTLs	56,910		37,273
Less valuation allowance	1,604		2,298
Net DTA	$	38,411	$	34,059

The change in the net DTA includes an increase of $16.3 million due to current year merger and acquisition activity and the adoption of CECL.

119

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(19) Income Taxes, continued

At December 31, 2020, United had:

•$36.0 million of state net operating loss carryforwards subject to annual limitation under IRC Section 382 that begin to expire in 2021, if not previously utilized.

•$113 million of state net operating loss carryforwards that begin to expire in 2031, if not previously utilized.

•$63.8 million in federal net operating loss carryforwards subject to annual limitation under IRC Section 382 that begin to expire in 2027, if not previously utilized.

•$3.70 million of state tax credits that begin to expire in 2021, if not previously utilized.

Management assesses the valuation allowance recorded against DTAs at each reporting period. The determination of whether a valuation allowance for DTAs is appropriate is subject to considerable judgment and requires an evaluation of all the positive and negative evidence. ASC 740 requires that companies assess whether a valuation allowance should be established against their DTAs based on the consideration of all available evidence using a “more likely than not” standard.

At December 31, 2020 and 2019, based on the assessment of all the positive and negative evidence, management concluded that it is more likely than not that nearly all of the net DTA will be realized based upon future taxable income. The valuation allowance of $1.60 million and $2.30 million, respectively, was related to specific state income tax credits that have short carryforward periods and certain acquired state net operating losses, both of which are expected to expire unused.

The valuation allowance could fluctuate in future periods based on the assessment of the positive and negative evidence. Management’s conclusion at December 31, 2020 that it was more likely than not that the net DTA of $38.4 million will be realized is based on management’s estimate of future taxable income. Management’s estimate of future taxable income is based on internal forecasts which consider historical performance, various internal estimates and assumptions, as well as certain external data all of which management believes to be reasonable although inherently subject to significant judgment. If actual results differ significantly from the current estimates of future taxable income, even if caused by adverse macro-economic conditions, the valuation allowance may need to be increased for some or all of the deferred tax asset.

A reconciliation of the beginning and ending unrecognized tax benefit related to uncertain tax positions is as follows for the years indicated (in thousands):

	2020		2019		2018
Balance at beginning of year	$	3,370	$	3,264	$	3,163
Additions based on tax positions related to the current year	421		481		470
Decreases resulting from a lapse in the applicable statute of limitations	(1,628)		(375)		(369)
Balance at end of year	$	2,163	$	3,370	$	3,264

Approximately $1.71 million of the unrecognized tax benefit at December 31, 2020 would increase income from continuing operations, and thus affect United’s effective tax rate, if ultimately recognized into income.

It is United’s policy to recognize interest and penalties accrued relative to unrecognized tax benefits in their respective federal or state income taxes accounts. There were no penalties and interest related to income taxes recorded in the income statement in 2020, 2019 or 2018. No amounts were accrued for interest and penalties on the balance sheet at December 31, 2020 or 2019. 

United and its subsidiaries file a consolidated U.S. federal income tax return, as well as various state returns in the states where it operates. United’s federal and state income tax returns are no longer subject to examination by taxing authorities for years before 2017.

120

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(20) Benefit Plans

Defined Contribution Benefit Plans

401(k) Plan

United offers a defined contribution 401(k) plan (the “401(k) Plan”) that covers substantially all employees meeting certain minimum service requirements. The 401(k) Plan allows employees to make pre-tax contributions to the 401(k) Plan and, United matches 100% of employee contributions up to 5% of eligible compensation. Employees begin to receive matching contributions after completing one year of service.

Effective January 1, 2020, United amended the 401(k) Plan to be a safe harbor plan. Under safe harbor provisions, United is required to provide a matching contribution and participants are immediately 100% vested in safe harbor matching contributions. Under the safe harbor amendment the Company will continue to match 100% of participant deferral contributions up to 5% of the participant’s annual base salary and commissions for those who have completed at least one year of service. Prior to January 1, 2020, matching contributions vested after three years of service.

United’s 401(k) Plan is administered in accordance with applicable laws and regulations. Compensation expense from continuing operations related to the 401(k) Plan totaled $6.16 million, $5.30 million and $4.73 million in 2020, 2019 and 2018, respectively.

Deferred Compensation Plan

United also sponsors a non-qualified deferred compensation plan for its executive officers, certain other key employees and members of the Board and its community banks’ advisory boards of directors. The deferred compensation plan provides for the pre-tax deferral of compensation, fees and other specified benefits. Specifically, the deferred compensation plan permits each employee participant to elect to defer a portion of his or her base salary, bonus or vested restricted stock units and permits each eligible director participant to elect to defer all or a portion of his or her director’s fees. Further, the deferred compensation plan allows for additional contributions by an employee, with matching contributions by United, for amounts that exceed the allowable amounts under the 401(k) Plan.

During 2020, 2019 and 2018, United recognized $49,000, $162,000 and $119,000, respectively, in matching contributions for this provision of the deferred compensation plan. The Board may also elect to make a discretionary contribution to any or all participants. No discretionary contributions were made in 2020, 2019 or 2018.

In addition to common stock related to elected deferrals of vested restricted stock units, United offers its common stock as an investment option for cash contributions to the deferred compensation plan. The common stock component is accounted for as an equity instrument and is reflected in the consolidated balance sheets as common stock issuable. The deferred compensation plan does not allow for diversification once an election is made to invest in United stock and settlement must be accomplished in shares at the time the deferral period is completed. At December 31, 2020 and 2019, United had 600,834 shares and 664,640 shares, respectively, of its common stock that was issuable under the deferred compensation plan.

Defined Benefit Pension Plans

United has an unfunded noncontributory defined benefit pension plan, or the Modified Retirement Plan, that covers certain executive officers and other key employees. The Modified Retirement Plan provides a fixed annual retirement benefit to plan participants.

Weighted-average assumptions used to determine the pension benefit obligation of the Modified Retirement Plan at year end and net periodic pension cost are shown in the table below:

	2020		2019
Discount rate for disclosures	2.55	%	3.25	%
Discount rate for net periodic benefit cost	3.25	%	4.40	%
Measurement date	12/31/2020		12/31/2019

The Modified Retirement Plan discount rates are determined in consultation with the third-party actuary and are set by matching the projected benefit cash flow to a notional yield curve developed by reference to high-quality fixed income investments. The discount rates are determined as the rate which would provide the same present value as the plan cash flows discounted to the measurement date using the full series of spot rates along the notional yield curve as of the measurement date.

121

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Notes to Consolidated Financial Statements

(20) Benefit Plans, continued

United acquired Palmetto on September 1, 2015, including its funded noncontributory defined benefit pension plan, or the Funded Plan, which covered all full-time Palmetto employees who had fulfilled at least 12 months of continuous service and attained age 21 by December 31, 2007. Benefits under the Funded Plan were no longer accrued for service subsequent to 2007. During 2019, United settled the liabilities of its Funded Plan. Participants elected to receive either lump sum distributions or annuity contracts purchased from a third-party insurance company that provided for the payment of vested benefits. United contributed $4.90 million to the Funded Plan in the third quarter 2019 to fund its liquidation.

As a result of the pension termination, unrecognized losses of $1.56 million, which were previously recorded in AOCI on the consolidated balance sheets, were recognized as expense and an additional pension plan settlement loss of $1.38 million was recorded in the consolidated statements of income. Including both charges, the total Funded Plan settlement loss was $2.94 million, which was included in merger-related and other charges for the year ended December 31, 2019.

United recognizes the underfunded status of the plans as a liability in the consolidated balance sheets. Information about changes in obligations and plan assets follows (in thousands): 

	2020		2019
	Modified Retirement Plan		Modified Retirement Plan		Funded Plan
Accumulated benefit obligation:
Accumulated benefit obligation - beginning of year	$	25,105	$	21,736	$	16,011
Service cost	588		392		—
Interest cost	795		931		166
Plan amendments	—		386		—
Actuarial losses	1,804		2,390		1,489
Benefits paid	(1,193)		(730)		(17,666)
Accumulated benefit obligation - end of year	27,099		25,105		—
Change in plan assets, at fair value:
Beginning plan assets	—		—		12,595
Actual return	—		—		173
Employer contribution	1,193		730		4,898
Benefits paid	(1,193)		(730)		(17,666)
Plan assets - end of year	—		—		—
Funded status - end of year (plan assets less benefit obligations)	$	(27,099)	$	(25,105)	$	—

Components of net periodic benefit cost and other amounts recognized in other comprehensive income are as follows (in thousands): 

	2020		2019				2018
	Modified Retirement Plan		Modified Retirement Plan		Funded Plan		Modified Retirement Plan		Funded Plan
Service cost	$	588	$	392	$	—	$	363	$	—
Interest cost	795		931		166		801		647
Expected return on plan assets	—		—		(106)		—		(551)
Amortization of prior service cost	531		635		—		666		—
Amortization of net actuarial losses	326		59		—		241		—
Net periodic benefit cost	$	2,240	$	2,017	$	60	$	2,071	$	96

The estimated net actuarial loss and prior service costs for the Modified Retirement Plan that will be amortized from AOCI into net periodic benefit cost over the next fiscal year are $575,000 and $469,000, respectively, as of December 31, 2020.

122

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Notes to Consolidated Financial Statements

(20) Benefit Plans, continued

The following table summarizes the estimated future benefit payments expected to be paid from the Modified Retirement Plan for the periods indicated (in thousands).

2021	$	1,170
2022	1,165
2023	1,159
2024	1,152
2025	1,195
2026-2030	7,675

Other United sponsored benefit plans

United has an Employee Stock Purchase Program (“ESPP”) that allows eligible employees to purchase shares of common stock at a discount (10%), with no commission charges. During 2020, 2019 and 2018 United issued 34,423, 20,928 shares and 17,941 shares, respectively, through the ESPP.

(21) Regulatory Matters

Capital Requirements

United and the Bank are subject to various regulatory capital requirements administered by the federal banking agencies. Failure to meet minimum capital requirements can initiate certain mandatory and possibly additional discretionary action by regulators that, if undertaken, could have a direct material effect on United. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, United and the Bank must meet specific capital guidelines that involve quantitative measures of the Bank’s assets, liabilities, and certain off-balance sheet items as calculated under regulatory accounting practices. The capital amounts and classification are also subject to qualitative judgments by the regulators about components, risk weightings, and other factors. Quantitative measures (as defined) established by regulation to ensure capital adequacy require United and the Bank to maintain minimum amounts and ratios of total capital, Tier 1 capital, and CET1 to RWAs, and of Tier 1 capital to average assets.

United and the Bank are also subject to a “capital conservation buffer,” which is designed to absorb losses during periods of economic stress. Banking organizations with a ratio of CET1 to RWAs above the minimum but below the conservation buffer (or below the combined capital conservation buffer and countercyclical capital buffer, when the latter is applied) will face constraints on dividends, equity repurchases and discretionary bonus compensation based on the amount of the shortfall.

As of December 31, 2020, United and the Bank were categorized as well-capitalized under the regulatory framework for prompt corrective action in effect at such time. To be categorized as well-capitalized at December 31, 2020, United and the Bank must have exceeded the well-capitalized guideline ratios in effect at such time, as set forth in the table below and have met certain other requirements. Management believes that United and the Bank exceeded all well-capitalized requirements at December 31, 2020, and there have been no conditions or events since year-end that would change the status of well-capitalized.

Pursuant to the CARES Act, United has adopted relief provided by federal banking regulatory agencies for the delay of the adverse capital impact of CECL at adoption of ASC 326 and during the subsequent two-year period after adoption. This optional two-year delay is followed by an optional three-year transition period to phase out the aggregate amount of capital benefit provided during the initial two-year delay. Under the transition provision, the amount of aggregate capital benefit is phased out by 25% each year with the full impact of adoption completely recognized by the beginning of the sixth year after adoption.

123

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Notes to Consolidated Financial Statements

(21) Regulatory Matters, continued

Regulatory capital ratios at December 31, 2020 and 2019, along with the minimum amounts required for capital adequacy purposes and to be well-capitalized under prompt corrective action provisions in effect at such times are presented below for United and the Bank (dollars in thousands):

	Basel III Guidelines				United Community Banks, Inc. (consolidated)						United Community Bank
	Minimum (1)		Well Capitalized		2020			2019			2020			2019
Risk-based ratios:
CET1 capital	4.5	%	6.5	%	12.31		%	12.97		%	13.31		%	14.87		%
Tier 1 capital	6.0		8.0		13.10			13.21			13.31			14.87
Total capital	8.0		10.0		15.15			15.01			14.28			15.54
Tier 1 leverage ratio	4.0		5.0		9.28			10.34			9.42			11.63
CET1 capital					$	1,506,750		$	1,275,148		$	1,625,292		$	1,458,720
Tier 1 capital					1,603,172			1,299,398			1,625,292			1,458,720
Total capital					1,854,368			1,476,302			1,743,045			1,524,267
RWAs					12,240,440			9,834,051			12,207,940			9,810,477
Average total assets					17,276,853			12,568,563			17,246,878			12,545,254

(1) As of December 31, 2020 and 2019, the additional capital conservation buffer in effect was 2.50%.

Cash, Dividend, Loan and Other Restrictions

At December 31, 2020 and 2019, the Bank did not have a required reserve balance at the Federal Reserve Bank of Atlanta.

Federal and state banking regulations place certain restrictions on dividends paid by the Bank to the Holding Company. During 2020, the Bank received regulatory approval to pay cash dividends to the Holding Company of $150 million. No cash dividends were paid by the Bank to the Holding Company in 2019.

The Federal Reserve Act requires that extensions of credit by the Bank to certain affiliates, including the Holding Company, be secured by specific collateral, that the extension of credit to any one affiliate be limited to 10% of capital and surplus (as defined), and that extensions of credit to all such affiliates be limited to 20% of capital and surplus.

The Bank is a party to financial instruments with off-balance sheet risk in the normal course of business to meet the financing needs of their customers. These financial instruments include commitments to extend credit and letters of credit. These instruments involve, to varying degrees, elements of credit risk in excess of the amount recognized in the consolidated balance sheets. The contract amounts of these instruments reflect the extent of involvement the Bank has in particular classes of financial instruments.

The exposure to credit loss in the event of nonperformance by the other party to the financial instrument for commitments to extend credit and letters of credit written is represented by the contractual amount of these instruments. United uses the same credit policies in making commitments and conditional obligations as it uses for underwriting on-balance sheet instruments. In most cases, collateral or other security is required to support financial instruments with credit risk.

(22) Commitments and Contingencies

The following table summarizes, as of the dates indicated, the contract amount of off-balance sheet instruments (in thousands):

	December 31,
	2020		2019
Financial instruments whose contract amounts represent credit risk:
Commitments to extend credit	$	3,052,657	$	2,126,275
Letters of credit	31,748		22,533

Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee.

124

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(22) Commitments and Contingencies, continued

Since many of the commitments may expire without being drawn on, the total commitment amounts do not necessarily represent future cash requirements. United evaluates each customer’s creditworthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary, upon extension of credit is based on management’s credit evaluation. Collateral held varies, but may include unimproved and improved real estate, certificates of deposit, personal property or other acceptable collateral.

Letters of credit are conditional commitments issued by United and could result in the commitment being drawn on when the underlying transaction is consummated between the customer and the third party or upon the non-performance of the customer. Those guarantees are primarily issued to local businesses and government agencies. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers. In most cases, the Bank holds real estate, certificates of deposit, and other acceptable collateral as security supporting those commitments for which collateral is deemed necessary. The extent of collateral held for those commitments varies.

United maintains an ACL for unfunded loan commitments which is included in the balance of other liabilities in the consolidated balance sheets. The ACL for unfunded loan commitments is determined as part of the quarterly ACL analysis. See Note 1 for further detail.

The Bank holds minor investments in certain limited partnerships for CRA purposes. As of December 31, 2020, the Bank had a recorded investment of $58.3 million in these limited partnerships, which is included in other assets on the consolidated balance sheet, and had committed to fund an additional $9.81 million related to future capital calls that has not been reflected in the consolidated balance sheet.

United, in the normal course of business, is subject to various pending and threatened lawsuits in which claims for monetary damages are asserted. Although it is not possible to predict the outcome of these lawsuits, or the range of any possible loss, management, after consultation with legal counsel, does not anticipate that the ultimate aggregate liability, if any, arising from these lawsuits will have a material adverse effect on financial position or results of operations.

(23)    Condensed Financial Statements of United Community Banks, Inc. (Holding Company Only)

Balance Sheets

As of December 31, 2020 and 2019

(in thousands)

	2020		2019
Assets
Cash and cash equivalents	$	289,243	$	32,495
Investment in bank	2,028,965		1,814,414
Investment in other subsidiaries	752		752
Other assets	34,661		29,308
Total assets	$	2,353,621	$	1,876,969
Liabilities and Shareholders’ Equity
Long-term debt	$	311,956	$	212,664
Other liabilities	34,135		28,613
Total liabilities	346,091		241,277
Shareholders’ equity	2,007,530		1,635,692
Total liabilities and shareholders’ equity	$	2,353,621	$	1,876,969

125

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(23) Condensed Financial Statements of United Community Banks, Inc. (Holding Company Only), continued

Statements of Income

For the Years Ended December 31, 2020, 2019 and 2018

(in thousands)

	2020		2019		2018
Dividends from bank	$	150,000	$	—	$	161,500
Dividends from other subsidiaries	—		4,651		850
Shared service fees from subsidiaries	13,020		14,721		10,257
Other	1,436		1,468		133
Total income	164,456		20,840		172,740
Interest expense	13,994		11,573		11,868
Other expense	16,473		18,965		14,456
Total expenses	30,467		30,538		26,324
Income tax benefit	2,681		8,711		1,640
Income (loss) before equity in undistributed earnings of subsidiaries	136,670		(987)		148,056
Equity in undistributed earnings of subsidiaries	27,419		186,708		18,055
Net income	$	164,089	$	185,721	$	166,111

126

UNITED COMMUNITY BANKS, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(23) Condensed Financial Statements of United Community Banks, Inc. (Holding Company Only), continued

Statements of Cash Flows

For the Years Ended December 31, 2020, 2019 and 2018

(in thousands)

	2020		2019		2018
Operating activities:
Net income	$	164,089	$	185,721	$	166,111
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in undistributed earnings of the subsidiaries	(27,419)		(186,708)		(18,055)
Stock-based compensation	7,887		9,360		6,057
Change in assets and liabilities:
Other assets	(3,662)		(3,022)		1,777
Other liabilities	5,261		2,080		3,124
Net cash provided by operating activities	146,156		7,431		159,014
Investing activities:
Net cash received (paid) for acquisition	3,397		(52,093)		(84,499)
Purchases of premises and equipment	—		—		(364)
Purchases of debt securities available-for-sale and equity securities	(2,750)		(3,000)		(2,489)
Proceeds from sales and maturities of debt securities available-for-sale and equity securities	—		83		—
Net cash provided by (used in) investing activities	647		(55,010)		(87,352)
Financing activities:
Repayment of long-term debt	—		(250)		(7,424)
Proceeds from issuance of long-term debt, net of issuance costs	98,552		—		98,188
Proceeds from issuance of preferred stock, net of issuance costs	96,422		—		—
Cash related to shares withheld to cover payroll taxes upon vesting of restricted stock units	(3,119)		(1,686)		(1,998)
Proceeds from issuance of common stock for dividend reinvestment and employee benefit plans	1,317		2,193		679
Proceeds from exercise of stock options	—		212		142
Repurchase of common stock	(20,782)		(13,020)		—
Cash dividends on preferred stock	(3,533)		—		—
Cash dividends on common stock	(58,912)		(53,044)		(41,634)
Net cash provided by (used in) financing activities	109,945		(65,595)		47,953
Net change in cash	256,748		(113,174)		119,615
Cash at beginning of year	32,495		145,669		26,054
Cash at end of year	$	289,243	$	32,495	$	145,669

(24) Subsequent Events

On February 18, 2021, the Board approved a regular quarterly cash dividend of $0.19 per common share and a preferred stock dividend of $429.6875 per preferred share (equivalent to $0.4296875 per depositary share, or 1/1000 interest per share). The common stock dividend is payable April 5, 2021, to common shareholders of record on March 15, 2021. The preferred stock dividend is payable March 15, 2021, to preferred shareholders of record on February 28, 2021.

127

ITEM 9.    CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE.

None.

ITEM 9A.    CONTROLS AND PROCEDURES.

Evaluation of Disclosure Controls and Procedures

Under the supervision and with the participation of our management, including our principal executive officer and principal financial officer, we conducted an evaluation of our disclosure controls and procedures (as such term is defined in Exchange Act Rule 13a-15(e)) as of December 31, 2020. Based on that evaluation, our principal executive officer and chief financial officer concluded that our disclosure controls and procedures were effective as of the end of the period covered by this report.

On July 1, 2020, we completed our acquisition of Three Shores as described in Note 3 to the consolidated financial statements. We are in the process of evaluating the existing controls and procedures of Three Shores and integrating Three Shores into our disclosure controls and procedures and internal control over financial reporting. In accordance with published SEC Staff guidance permitting a company to exclude an acquired business from management’s assessment of the effectiveness of internal control over financial reporting for the year in which the acquisition is completed, and similarly exclude an acquired business from the quarterly evaluation of disclosure controls and procedures to the extent that they are subsumed by internal control over financial reporting, the scope of management’s assessment of the effectiveness of the design and operation of the Company’s disclosure controls and procedures as of December 31, 2020 includes all of our consolidated operations except for those disclosure controls and procedures of Three Shores that are subsumed by internal control over financial reporting. The Three Shores acquisition represented approximately 11% of total consolidated assets at December 31, 2020 and approximately 4% of our total consolidated revenue for the year ended December 31, 2020.

Changes in Internal Control Over Financial Reporting

No changes were made to our internal control over financial reporting (as such term is defined in Exchange Act Rule 13a-15(f)) during the fourth quarter of 2020 that materially affected, or are reasonably likely to materially affect, United’s internal control over financial reporting. We are currently in the process of assessing and integrating Three Shores’ internal control over financial reporting with our existing internal control over financial reporting.

Management’s Report on Internal Control Over Financial Reporting

Management is responsible for establishing and maintaining adequate internal control over financial reporting. Management’s assessment of the effectiveness of our internal control over financial reporting as of December 31, 2020 is included in Part II, Item 8 of this Report under the heading “Management’s Report on Internal Control Over Financial Reporting.”

Our independent auditors have issued an audit report on management’s assessment of internal controls over financial reporting. This report is included in Part II, Item 8 of this Report under the heading “Report of Independent Registered Public Accounting Firm.”

ITEM 9B.        OTHER INFORMATION.

None.

128

PART III

ITEM 10.    DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE.

    (a) Information Regarding Directors and Executive Officers. The information required by this Item 10 regarding our directors and director nominees contained under the caption “Director Nominees for Election” under the heading “Proposal 1: Election of Directors” in the 2021 Proxy Statement is incorporated herein by reference. Pursuant to the instructions to Item 401 of Regulation S-K, information relating to our executive officers of United is included in Part I, Item 1 of this Report.

(b)  Compliance with Section 16(a) of the Exchange Act.  Information required by this Item 10 regarding compliance with Section 16(a) of the Exchange Act is contained under the caption “Delinquent Section 16(a) Reports” under the heading “Security Ownership” in the 2021 Proxy Statement, which information under such caption is incorporated herein by reference.

(c)  Code of Business Conduct and Ethics.  We have adopted a Corporate Code of Ethics (“Code”). This Code is posted on the “Corporate Governance” section of our Internet website at www.ucbi.com. If we choose to no longer post such Code, we will provide a free copy to any person upon written request to Corporate Secretary, United Community Banks, Inc., 2 West Washington Street, Suite 700, Greenville, South Carolina 29601. We intend to provide any required disclosure of any amendment to or waiver from such Code that applies to our principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions, on our Internet website located at www.ucbi.com promptly following the amendment or waiver. We may elect to disclose any such amendment or waiver in a Current Report on Form 8-K filed with the SEC either in addition to or in lieu of the website disclosure. The information contained on or connected to our Internet website is not incorporated by reference into this Report and should not be considered part of this or any other report that we file with or furnish to the SEC.

(d)  Procedures for Shareholders to Recommend Director Nominees.  There have been no material changes to the procedures by which security holders may recommend nominees to our Board.

(e)  Audit Committee Information.  Information required by this Item 10 regarding our Audit Committee and our audit committee financial experts may be found under the captions “Board Committees” and “Audit Committee Financial Expert,” in each case under the heading “Corporate Governance” in the 2021 Proxy Statement, which information pertaining to the audit committee and its membership and audit committee financial experts under such captions is incorporated herein by reference.

ITEM 11.    EXECUTIVE COMPENSATION.

The information required by Item 11 regarding director and executive officer compensation, the Compensation Committee Report, the risks arising from our compensation policies and practices for employees, pay ratio disclosure, and compensation committee interlocks and insider participation is contained under the captions “Director Compensation” and “Executive Compensation ” in the 2021 Proxy Statement and is incorporated herein by reference.

ITEM 12.    SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS.

The information contained under the heading “Security Ownership” and the “Equity Compensation Plan Information” table in the 2021 Proxy Statement is incorporated herein by reference.  

ITEM 13.    CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE.

The information required by this Item 13 regarding certain relationships and related transactions is contained under the caption “Transactions With Management and Others” in the 2021 Proxy Statement, which information under such heading is incorporated herein by reference. The information required by this Item 13 regarding director independence is contained under the caption “Director Independence” in the 2021 Proxy Statement, which information under such caption is incorporated herein by reference.

ITEM 14.    PRINCIPAL ACCOUNTING FEES AND SERVICES.

The information required by Item 14 regarding fees we paid to our principal accountant and the pre-approval policies and procedures established by the Audit Committee of our Board is contained under the caption “Fees Paid to Auditors” in the 2021 Proxy Statement, which information under such caption is incorporated herein by reference.

129

PART IV

ITEM 15.    EXHIBITS, FINANCIAL STATEMENT SCHEDULES.

(a)	1.	Financial Statements.
		The following consolidated financial statements are located in Item 8 of this report:
		Report of Independent Registered Public Accounting Firm
		Consolidated Statements of Income - Years ended December 31, 2020, 2019, and 2018
		Consolidated Balance Sheets - December 31, 2020 and 2019
		Consolidated Statements of Changes in Shareholders’ Equity - Years ended December 31, 2020, 2019, and 2018
		Consolidated Statements of Cash Flows - Years ended December 31, 2020, 2019, and 2018
		Notes to Consolidated Financial Statements
	2.	Financial Statement Schedules.
		Schedules to the consolidated financial statements are omitted, as the required information is not applicable.
	3.	Exhibits.
		The exhibits required to be filed with this Report by Item 601 of Regulation S-K are set forth in the Exhibit Index below:

EXHIBIT INDEX
Exhibit No.	Exhibit
2.1	Agreement and Plan of Merger, dated January 8, 2018, by and between United Community Banks, Inc., United Community Bank, Symph Acquisition Corp., NLFC Holdings Corp. and Shareholder Representative Services LLC (incorporated herein by reference to Exhibit 2.1 to United Community Banks, Inc.’s Current Report on Form 8-K, File No. 001-35095, filed with the SEC on January 9, 2018).
2.2	Agreement and Plan of Merger, dated as of March 9, 2020, by and between United Community Banks, Inc. and Three Shores Bancorporation, Inc. (incorporated herein by reference to Exhibit 2.1 to United Community Banks, Inc.’s Current Report on Form 8-K, File No. 001-35095, filed with the SEC on March 10, 2020).
3.1	Restated Articles of Incorporation of United Community Banks, Inc., as amended (incorporated herein by reference to Exhibit 3.1 to United Community Banks, Inc.’s Quarterly Report on Form 10-Q for the period ended June 30, 2020, filed with the SEC on August 6, 2020).
3.2	Amended and Restated Bylaws of United Community Banks, Inc., as amended (incorporated herein by reference to Exhibit 3.2 to United Community Banks, Inc.’s Quarterly Report on Form 10-Q for the period ended March 31, 2015, filed with the SEC on May 11, 2015).

4.1	Description of Registrant’s Common Stock, $1.00 par value (incorporated herein by reference to Exhibit 4.1 to United Community Banks, Inc.’s Annual Report on Form 10-K, File No. 001-35095, filed with the SEC on February 27, 2020).
4.2	Indenture, dated August 14, 2015, by and between United Community Banks, Inc. and The Bank of New York Mellon Trust Company, N.A., Trustee (incorporated herein by reference to Exhibit 4.1 to United Community Banks, Inc.’s Current Report on Form 8-K, File No. 001-35095, filed with the SEC on August 14, 2015).
4.3	First Supplemental Indenture to the Indenture, dated August 14, 2015, by and between United Community Banks, Inc. and The Bank of New York Mellon Trust Company, N.A., Trustee (incorporated herein by reference to Exhibit 4.2 to United Community Banks, Inc.’s Current Report on Form 8-K, File No. 001-35095, filed with the SEC on August 14, 2015).
4.4	Second Supplemental Indenture to the Indenture, dated August 14, 2015, by and between United Community Banks, Inc. and The Bank of New York Mellon Trust Company, N.A., Trustee (incorporated herein by reference to Exhibit 4.3 to United Community Banks, Inc.’s Current Report on Form 8-K, File No. 001-35095, filed with the SEC on August 14, 2015).
4.5	Indenture, dated January 18, 2018, by and between United and The Bank of New York Mellon, N.A., Trustee (incorporated herein by reference to Exhibit 4.1 to United Community Banks, Inc.’s Current Report on Form 8-K, File No. 001-35095, filed with the SEC on January 23, 2018).

130

4.6	First Supplemental Indenture to the Indenture, dated January 18, 2018, by and between United and The Bank of New York Mellon, N.A., Trustee (incorporated herein by reference to Exhibit 4.2 to United Community Banks, Inc.’s Current Report on Form 8-K, File No. 001-35095, filed with the SEC on January 23, 2018).
4.7	Form of Indenture for Senior Indebtedness (incorporated herein by reference to Exhibit 4.2 to United Community Banks, Inc.’s Form S-3, File No. 333-224367, filed with the SEC on April 20, 2018).
4.8	Form of Indenture for Subordinated Indebtedness (incorporated herein by reference to Exhibit 4.3 to United Community Banks, Inc.’s Form S-3, File No. 333-224367, filed with the SEC on April 20, 2018).
4.9	Deposit Agreement, dated as of June 10, 2020, between the Company and Continental Stock Transfer & Trust Company, as depositary (incorporated herein by reference to Exhibit 4.2 to United Community Banks, Inc.’s Current Report on Form 8-K, File No. 001-35095, filed with the SEC on June 10, 2020).
4.10	Form of Depositary Receipt (included as part of Exhibit 4.9)
4.11	Description of Registrant’s Depositary Shares and underlying Series I Preferred Stock.**
4.12	Indenture, dated as of June 17, 2020, by and between United Community Banks, Inc. and U.S. Bank National Association, as trustee (incorporated herein by reference to Exhibit 4.1 to United Community Banks, Inc.’s Current Report on Form 8-K, File No. 001-35095, filed with the SEC on June 17, 2020).
4.13	First Supplemental Indenture, dated as of June 17, 2020, by and between United Community Banks, Inc. and U.S. Bank National Association, as trustee (incorporated herein by reference to Exhibit 4.2 to United Community Banks, Inc.’s Current Report on Form 8-K, File No. 001-35095, filed with the SEC on June 17, 2020).
4.14	Form of 5.000% Fixed-to-Floating Senior Notes due 2030 (attached as Exhibit A to Exhibit 4.13 hereto)
--	Pursuant to Item 601(b)(4)(iii)(A), other instruments that define the rights of holders of the long-term indebtedness of United Community Banks, Inc. and its subsidiaries that does not exceed 10% of United’s consolidated assets have not been filed; however, United agrees to furnish a copy of any such agreement to the SEC upon request.
10.1	United Community Banks, Inc.’s Amended and Restated 2000 Key Employee Stock Option Plan (incorporated herein by reference to Exhibit 10.1 to United Community Banks, Inc.’s Current Report on Form 8-K, File No. 000-21656, filed with the SEC on May 1, 2007).#
10.2	Amendment No. 1 to United Community Banks, Inc.’s Amended and Restated 2000 Key Employee Stock Option Plan dated April 13, 2007 (incorporated herein by reference to Exhibit 10.1 to United Community Banks, Inc.’s Current Report on Form 8-K, File No. 000-21656, filed with the SEC on April 13, 2007).#
10.3	Amendment No. 2 to United Community Banks, Inc.’s Amended and Restated 2000 Key Employee Stock Option Plan dated March 20, 2012 (incorporated herein by reference to Exhibit 10.1 to United Community Banks, Inc.’s Current Report on Form 8-K, File No. 001-35095, filed with the SEC on May 24, 2012).#
10.4	Amendment No. 3 to United Community Banks, Inc.’s Amended and Restated 2000 Key Employee Stock Option Plan dated March 20, 2012 (incorporated herein by reference to Exhibit 10.1 to United Community Banks, Inc.’s Current Report on Form 8-K, File No. 001-35095, filed with the SEC on May 24, 2012).#
10.5	Amendment No. 4 to United Community Banks, Inc.’s Amended and Restated 2000 Key Employee Stock Option Plan dated March 18, 2016 (incorporated herein by reference to Exhibit 10.1 to United Community Banks, Inc.’s Current Report on Form 8-K, File No. 001-35095, filed with the SEC on June 23, 2016).#
10.6	Amendment No. 5 to United Community Banks, Inc.’s Amended and Restated 2000 Key Employee Stock Option Plan dated August 2, 2017 (incorporated herein by reference to Exhibit 10.7 to United Community Banks, Inc.'s Annual Report on Form 10-K File No. 001-35095, filed with the SEC on February 27, 2020).#
10.7	Change of Control Severance Agreement dated March 31, 2015 by and between United Community Banks, Inc. and H. Lynn Harton (incorporated herein by reference to Exhibit 10.8 to United Community Banks, Inc.'s Annual Report on Form 10-K File No. 001-35095, filed with the SEC on February 27, 2020).#
10.8	Executive Transition Agreement by and between United Community Banks, Inc. and Jimmy C. Tallent dated May 10, 2018 (incorporated herein by reference to Exhibit 10.1 to United Community Banks, Inc.’s Quarterly Report on Form 10-Q for the period ended June 30, 2018, File No. 001-35095, filed with the SEC on August 6, 2018).#
10.9	Change in Control Severance Agreement dated April 17, 2017 by and between United Community Banks, Inc. and Jefferson L. Harralson (incorporated herein by reference to Exhibit 10.11 to United Community Banks, Inc.'s Annual Report on Form 10-K File No. 001-35095, filed with the SEC on February 27, 2020).#
10.10	Change of Control Severance Agreement dated March 31, 2015 by and between United Community Banks, Inc. and Richard William Bradshaw (not filed because substantially identical to Exhibit 10.9). #

131

10.11	Change of Control Severance Agreement dated March 31, 2015 by and between United Community Banks, Inc. and Robert A. Edwards (not filed because substantially identical to Exhibit 10.9). #
10.12	Change of Control Severance Agreement dated February 28, 2020 by and between United Community Banks, Inc. and Melinda Davis Lux (not filed because substantially identical to Exhibit 10.9). #
10.13	Change of Control Severance Agreement dated November 21, 2019 by and between United Community Banks, Inc. and Mark Terry (not filed because substantially identical to Exhibit 10.9). #

10.14	United Community Banks, Inc.’s Modified Retirement Plan (as amended and restated effective as of January 1, 2016) (incorporated herein by reference to Exhibit 10.15 to United Community Banks, Inc.'s Annual Report on Form 10-K File No. 001-35095, filed with the SEC on February 27, 2020).#
10.15	First Amendment dated as of April 1, 2018 to United Community Banks, Inc.’s Modified Retirement Plan (as amended and restated effective as of January 1, 2016) (incorporated herein by reference to Exhibit 10.16 to United Community Banks, Inc.'s Annual Report on Form 10-K File No. 001-35095, filed with the SEC on February 27, 2020).#
10.16	United Community Banks, Inc.’s Amended and Restated Deferred Compensation Plan, effective as of January 1, 2017 (incorporated herein by reference to Exhibit 10.17 to United Community Banks, Inc.'s Annual Report on Form 10-K File No. 001-35095, filed with the SEC on February 27, 2020).#
10.17	Amendment No. 1 to United Community Banks, Inc.’s Amended and Restated Deferred Compensation Plan, effective as of April 1, 2018 (incorporated herein by reference to Exhibit 10.18 to United Community Banks, Inc.'s Annual Report on Form 10-K File No. 001-35095, filed with the SEC on February 27, 2020).#
10.18	Amendment No. 2 to United Community Banks, Inc.’s Amended and Restated Deferred Compensation Plan, effective as of January 1, 2019 (incorporated herein by reference to Exhibit 10.19 to United Community Banks, Inc.'s Annual Report on Form 10-K File No. 001-35095, filed with the SEC on February 27, 2020).#
10.19	United Community Banks, Inc. Amended and Restated Dividend Reinvestment and Share Purchase Plan (incorporated herein by reference to Exhibit 4 to United Community Banks, Inc.’s Registration Statement on Form S-3D, File No. 333-197026, filed with the SEC on June 25, 2014).
10.20	United Community Banks, Inc. Employee Stock Purchase Plan, (as amended and restated effective as of January 1, 2015) (incorporated herein by reference to Exhibit 10.21 to United Community Banks, Inc.'s Annual Report on Form 10-K File No. 001-35095, filed with the SEC on February 27, 2020).#
10.21	United Community Banks, Inc.’s Management Annual Incentive Plan, effective as of January 1, 2007 (incorporated herein by reference to Exhibit 10.5 to United Community Banks, Inc.’s Current Report on Form 8-K, File No. 000-21656, filed with the SEC on May 1, 2007).#
10.22	Form of Incentive Stock Option Award Agreement (incorporated herein by reference to Exhibit 10.15 to United Community Banks, Inc.’s Form 10-K for the year ended December 31, 2014, File No. 001-35095, filed with the SEC on February 27, 2015).#
10.23	Form of Nonqualified Stock Option Award Agreement (incorporated herein by reference to Exhibit 10.16 to United Community Banks, Inc.’s Form 10-K for the year ended December 31, 2014, File No. 001-35095, filed with the SEC on February 27, 2015).#
10.24	Form of Restricted Stock Unit Award Agreement for Directors.#**
10.25	Form of Restricted Stock Unit Award.#**
10.26	Form of Restricted Stock Unit Award for Key Employees.#**
10.27	Form of Performance Restricted Stock Unit Award for Key Employees.#**
10.28	Credit Agreement, dated as of January 7, 2014, between United Community Banks, Inc. and Synovus Bank, as amended, Amendment No, 1 dated as of June 30, 2015, Amendment No. 2 dated as of June 30, 2016 and Amendment No. 3 dated as of June 30, 2017 (incorporated herein by reference to Exhibit 10.1 to United Community Banks, Inc.’s Quarterly Report on Form 10-Q for the period ended June 30, 2017, File No. 001-35095, filed with the SEC on August 4, 2017).
10.29	Amendment No. 4 dated as of August 7, 2018 to Credit Agreement, dated as of January 7, 2014, between United Community Banks, Inc. and Synovus Bank (incorporated herein by reference to Exhibit 10.30 to United Community Banks, Inc.'s Annual Report on Form 10-K File No. 001-35095, filed with the SEC on February 27, 2020).
10.30	Amendment No. 5 dated as of February 18, 2020 to Credit Agreement, dated as of January 7, 2014, between United Community Banks, Inc. and Synovus Bank (incorporated herein by reference to Exhibit 10.31 to United Community Banks, Inc.'s Annual Report on Form 10-K File No. 001-35095, filed with the SEC on February 27, 2020).

132

21	Subsidiaries of United Community Banks, Inc.**
23	Consent of Independent Registered Public Accounting Firm**
24	Power of Attorney of certain officers and directors of United (included on signature page hereto)
31.1	Certification of Chief Executive Officer under Exchange Act Rule 13a-14(a)**
31.2	Certification of Chief Financial Officer under Exchange Act Rule 13a-14(a)**
32	Certifications of CEO and CFO pursuant to 18 U.S.C. Section 1350 (furnished only)**

101.INS**	Inline XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document
101.SCH**	Inline XBRL Taxonomy Extension Schema Document
101.CAL**	Inline XBRL Taxonomy Calculation Linkbase Document
101.LAB**	Inline XBRL Taxonomy Label Linkbase Document
101.PRE**	Inline XBRL Presentation Linkbase Document
101.DEF**	Inline XBRL Taxonomy Extension Definition Linkbase Document
104	Cover Page Interactive Data File (formatted in Inline XBRL and contained in Exhibit 101)

#    Management contract or compensatory plan or arrangement.

**    Indicates filed or furnished herewith.

ITEM 16.    FORM 10-K SUMMARY.

Not applicable.

133

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, United has duly caused this annual report on Form 10-K, to be signed on its behalf by the undersigned, thereunto duly authorized, on the 25th day of February, 2021.

UNITED COMMUNITY BANKS, INC.

(Registrant)

/s/ H. Lynn Harton	/s/ Jefferson L. Harralson
H. Lynn Harton	Jefferson L. Harralson
President and Chief Executive Officer	Executive Vice President and Chief Financial Officer
(Principal Executive Officer)	(Principal Financial Officer)
/s/ Alan H. Kumler
Alan H. Kumler
Senior Vice President, Chief Accounting Officer
(Principal Accounting Officer)

134

POWER OF ATTORNEY AND SIGNATURES

Know all men by these presents, that each person whose signature appears below constitutes and appoints H. Lynn Harton and Thomas A. Richlovsky, or either of them, as attorney-in-fact, with each having the power of substitution, for him in any and all capacities, to sign any amendments to this annual report on Form 10-K and to file the same, with exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, hereby ratifying and confirming all that each of said attorneys-in-fact, or his substitute or substitutes, may do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Exchange Act of 1934, this annual report on Form 10-K has been signed below by the following persons on behalf of United and in the capacities set forth and on the 18th day of February, 2021.

/s/ H. Lynn Harton	/s/ Kenneth L. Daniels
H. Lynn Harton	Kenneth L. Daniels
Chairman, President, and Chief Executive Officer	Director
(Principal Executive Officer)
/s/ Jefferson L. Harralson	/s/ Lance F. Drummond
Jefferson L. Harralson	Lance F. Drummond
Executive Vice President and Chief Financial Officer	Director
(Principal Financial Officer)
/s/ Alan H. Kumler	/s/ Jennifer Mann
Alan H. Kumler	Jennifer Mann
Senior Vice President, Chief Accounting Officer	Director
(Principal Accounting Officer)
/s/ Thomas A. Richlovsky	/s/ David C. Shaver
Thomas A. Richlovsky	David C. Shaver
Lead Independent Director	Director
/s/ Robert Blalock	/s/ Tim Wallis
Robert Blalock	Tim Wallis
Director	Director
/s/ James P. Clements	/s/ David H. Wilkins
James P. Clements	David H. Wilkins
Director	Director
/s/ L. Cathy Cox
L. Cathy Cox
Director

135

EX-4.11

Exhibit 4.11

Description of the Company’s Depositary Shares Registered

Under Section 12 of the Securities Exchange Act of 1934

The following summary of the above-referenced Depositary Shares (the “Depositary Shares”) relating to the Series I Preferred Stock (par value $1.00 per share) (the “Series I Preferred Stock”) of United Community Banks, Inc. is based on and qualified by reference to the deposit agreement, dated June 10, 2020 (the “Deposit Agreement”), between the Company and Continental Stock Transfer & Trust Co., as depositary (the “Depositary”) and the depositary receipts (each a “Depositary Receipt”), the form of which is included in the Deposit Agreement. For a complete description of the terms and provisions of the Depositary Shares, refer to the Deposit Agreement (which includes a form of the Depositary Receipt), which is filed or incorporated by reference as an exhibit to this Annual Report on Form 10-K. Throughout this description, references to the “Company,” “we,” “our,” and “us” refer to United Community Banks, Inc.

General.There have been authorized and issued 4,000,000 Depositary Shares. Each Depositary Share represents a 1/1000th ownership interest in a share of Series I Preferred Stock, and is evidenced by a Depositary Receipt.

Series I Preferred Stock. The description of the Series I Preferred Stock that underlay the Depositary Shares is set forth below under “Description of the Series I Preferred Stock”.

Deposit. The shares of Series I Preferred Stock represented by Depositary Shares will be deposited pursuant to the Deposit Agreement. Subject to the terms of the Deposit Agreement, each holder of a Depositary Share will be entitled, in proportion to the applicable fraction of a share of Series I Preferred Stock represented by such Depositary Share, to all the rights and preferences of the Series I Preferred Stock represented thereby (including dividend, voting, redemption and liquidation rights).

Voting. Because each Depositary Share represents a 1/1000th interest in a share of the Series I Preferred Stock, holders of Depositary Receipts will be entitled to 1/1000th of a vote per Depositary Share under those limited circumstances in which holders of the Series I Preferred Stock are entitled to a vote, as described below in “Description of the Series I Preferred Stock — Voting Rights.” When the Depositary receives notice of any meeting at which the holders of Series I Preferred Stock are entitled to vote, the Depositary will mail the information contained in the notice to the record holders of the Depositary Shares. Each record holder of the Depositary Shares on the record date, which will be the same date as the record date for the Series I Preferred Stock, may instruct the Depositary to vote the amount of Series I Preferred Stock represented by the holder’s Depositary Shares. To the extent possible, the Depositary will vote the amount of Series I Preferred Stock represented by Depositary Shares in accordance with the instructions it receives. We will agree to take all reasonable actions that the Depositary determines are necessary to enable the Depositary to vote as instructed. If the Depositary does not receive specific instructions from the holders of any Depositary Shares, it will vote all Depositary Shares held by it proportionately with instructions received. See also “Amendment and Termination” below.

Redemption. If the Series I Preferred Stock represented by the Depositary Shares is redeemed, the Depositary Shares will be redeemed from the proceeds received by the Depositary resulting from the redemption of the Series I Preferred Stock. The redemption price per Depositary Share will be equal to 1/1000th of the redemption price per share payable with respect to the Series I Preferred Stock (or $25 per Depositary Share). Whenever we redeem shares of Series I Preferred Stock held by the Depositary, the Depositary will redeem, as of the same redemption date, the number of Depositary Shares representing shares of Series I Preferred Stock so redeemed.

In case of any redemption of less than all of the outstanding shares of Series I Preferred Stock and, therefore, less than all of the Depositary Shares, the Depositary Shares to be redeemed will be selected by the Depositary pro rata or by lot. In any such case, we will redeem Depositary Shares only in increments of 1,000 shares and any integral multiple thereof. The Depositary will provide notice of redemption to record holders of the

Depositary Shares not less than 30 and not more than 60 days prior to the date fixed for redemption of the Series I Preferred Stock and the related Depositary Shares.

Dividends and Other Distributions. Each dividend on a Depositary Share will be in an amount equal to 1/1000th of the dividend declared per share of the Series I Preferred Stock.

The Depositary will distribute any cash dividends or other cash distributions received in respect of the deposited Series I Preferred Stock to the record holders of Depositary Shares in proportion to the number of Depositary Shares held by the holders. The Depositary will distribute any property received by it other than cash to the record holders of Depositary Shares in proportion to the number of Depositary Shares held by the holders, unless it determines that the distribution cannot be made proportionally among those holders or that it is not feasible to make a distribution. In that event, the Depositary may, with our approval, adopt such method as it deems equitable and practicable, including selling the property and distributing the net proceeds from the sale to the holders of the Depositary Shares in proportion to the number of Depositary Shares they hold.

If the calculation of a dividend or other cash distribution results in an amount that is a fraction of a cent and that fraction is equal to or greater than $0.005, the Depositary will round that amount up to the next highest whole cent and will request that we pay the resulting additional amount to the Depositary for the relevant dividend or other cash distribution. If the fractional amount is less than $0.005, the Depositary will disregard that fractional amount.

Record dates for the payment of dividends and other matters relating to the Depositary Shares will be the same as the corresponding record dates for the Series I Preferred Stock.

The amounts distributed to holders of Depositary Shares will be reduced by any amounts required to be withheld by the Depositary or by us on account of taxes or other governmental charges. The Depositary may refuse to make any payment or distribution, or any transfer, exchange or withdrawal of any Depositary Shares until such taxes or other governmental charges are paid.

Preemption. No holder of Depositary Shares or Series I Preferred Stock has or will have any right, pre-emptive or other, to subscribe for or to purchase from the Company any of the shares of any class of capital stock of the Company that may be issued or sold in the future.

Assessment and Other Provisions. The outstanding Depositary Shares as well as the underlying Series I Preferred Stock are and, upon payment of consideration payable therefor, any Depositary Shares and Series I Preferred Stock issued by United in the future, will be fully paid and nonassessable. Neither the Depositary Shares nor the Series I Preferred Stock has any conversion rights. Neither the Depositary Shares nor the Series I Preferred Stock is subject to any sinking fund provisions or to calls, assessments by, or liabilities of the Company.

Amendment and Termination. We may amend the form of Depositary Receipt evidencing the Depositary Shares and any provision of the Deposit Agreement at any time and from time to time by agreement with the Depositary. However, any amendment that materially and adversely alters any right of the holders of Depositary Shares will not be effective unless the holders of at least two-thirds of the Depositary Shares then outstanding approve the amendment. We will make no amendment that impairs the right of any holder of Depositary Shares to surrender such Depositary Shares to the Depositary with instructions to deliver to such holder shares of the Series I Preferred Stock, except in order to comply with mandatory provisions of applicable law. Holders who retain or acquire their Depositary Receipts after an amendment becomes effective will be deemed to have agreed to the amendment and will be bound by the amended deposit agreement.

The Deposit Agreement may be terminated if:

•all outstanding Depositary Shares have been redeemed;

•a final distribution in respect of the Series I Preferred Stock has been made to the holders of Depositary Shares in connection with any liquidation, dissolution or winding up of United;

•consent of the holders of at least two-thirds of the Depositary Shares outstanding is obtained; or

•there is a material breach of the Deposit Agreement by either party which is not cured by the breaching party within a period not to exceed thirty (30) days after the date of written notice by one of the other parties.

Books of Depositary. The Depositary is required to maintain a register for the registration and registration of transfer of Depositary Receipts. Registered holders of Depositary Shares may inspect such records at the Depositary’s office at all reasonable times during regular business hours, but solely for a proper purpose reasonably related to such person’s interest as an owner of Depositary Shares evidenced by the Depositary Receipts. Such register may be closed at any time or from time to time, when deemed expedient by the Depositary in the performance of its duties under the Deposit Agreement, or because of any requirement of law or any government, governmental body or commission, stock exchange or any applicable self-regulatory body.

Limitation of Liability. Neither the Depositary nor any Depositary’s agent nor any transfer agent nor any registrar nor the Company assumes any obligation or shall be subject to any liability under the Deposit Agreement to holders of Depositary Receipts or any other person other than for its gross negligence, willful misconduct, bad faith or fraud (each as determined by a final non-appealable judgment of a court of competent jurisdiction). Notwithstanding anything in the Deposit Agreement to the contrary, neither the Depositary, nor the Depositary’s agent nor any registrar nor any transfer agent nor the Company shall be liable in any event for special, punitive, incidental, indirect or consequential losses or damages of any kind whatsoever (including but not limited to lost profits) even if that party has been advised of or has foreseen the possibility of such damages and regardless of the form of action. Notwithstanding anything contained herein to the contrary, the Depositary’s, any Depositary’s agent, registrar’s or transfer agent’s aggregate liability during any term of the Deposit Agreement with respect to, arising from, or arising in connection with the Deposit Agreement, or from all services provided or omitted to be provided under the Deposit Agreement, whether in contract, or in tort, or otherwise, is limited to, and shall not exceed, the amounts paid under the Deposit Agreement by the Company to the Depositary as fees and charges, but not including reimbursable expenses.

Neither the Depositary nor any Depositary’s agent nor any registrar nor any transfer agent nor the Company shall be under any obligation to appear in, prosecute or defend any action, suit or other proceeding in respect of the Series I Preferred Stock, the Depositary Shares or the Depositary Receipts which in its opinion may involve it in expense or liability unless indemnity satisfactory to it against all expense and liability be furnished as often as may be reasonably required.

Neither the Depositary nor any Depositary’s agent nor any registrar nor any transfer agent nor the Company shall be liable for any action or any failure to act by it in reliance upon the written advice of legal counsel or accountants, or information from any person presenting Series I Preferred Stock for deposit, any holder of a Depositary Receipt or any other person believed by it in good faith to be competent to give such information. The Depositary, any Depositary’s agent, any registrar or transfer agent and the Company may each rely and shall each be protected in acting upon or omitting to act upon any written notice, request, direction or other document believed by it to be genuine and to have been signed or presented by the proper party or parties.

The Depositary shall not be responsible for any failure to carry out any instruction to vote any of the shares of Series I Preferred Stock or for the manner or effect of any such vote made, as long as any such action or non-action is not taken in bad faith. The Depositary undertakes, and any registrar and transfer agent shall be required to undertake, to perform such duties and only such duties as are specifically set forth in the Deposit Agreement (or as may subsequently be agreed to in writing by the parties), and no implied covenants or obligations shall be read into the Deposit Agreement against the Depositary or any registrar or any transfer agent.

The Depositary, the Depositary’s agents, and any registrar or transfer agent may own and deal in any class of securities of the Company and its affiliates and in Depositary Receipts. The Depositary may also act as transfer agent or registrar of any of the securities of the Company and its affiliates.

The Depositary shall not be under any liability for interest on any monies at any time received by it pursuant to any of the provisions of the Deposit Agreement or of the Depositary Receipts, the Depositary Shares or the Series I Preferred Stock nor shall it be obligated to segregate such monies from other monies held by it, except as required by law. The Depositary shall not be responsible for advancing funds on behalf of the Company and shall have no duty or obligation to make any payments if it has not timely received sufficient funds to make timely payments.

In the event the Depositary, the Depositary’s agent, any registrar or any transfer agent believes any ambiguity or uncertainty exists hereunder or in any notice, instruction, direction, request or other communication, paper or document received by it hereunder, or in the administration of any of the provisions of the Deposit Agreement, the Depositary, the Depositary’s agent, any registrar or any transfer agent shall deem it necessary or desirable that a matter be proved or established prior to taking, omitting or suffering to take any action hereunder, the Depositary, the Depositary’s agent, any registrar or any transfer agent may, in its sole discretion upon written notice to the Company, refrain from taking any action and shall be fully protected and shall not be liable in any way to the Company, any holders of Depositary Receipts or any other person or entity for refraining from taking such action, unless the Depositary, the Depositary’s agent, the registrar or transfer agent, as applicable, receives written instructions or a certificate signed by the Company which eliminates such ambiguity or uncertainty to the satisfaction of the Depositary, the Depositary’s agent, any registrar or any transfer agent or which proves or establishes the applicable matter to its satisfaction.

In the event the Depositary, any Depositary’s agent, any registrar or any transfer agent shall receive conflicting claims, requests or instructions from any holders of Depositary Receipts, on the one hand, and the Company, on the other hand, the Depositary, any Depositary’s agent, any registrar or any transfer agent, shall be entitled to act on such claims, requests or instructions received from the Company, and shall be entitled to the indemnification pursuant to the Deposit Agreement in connection with any action so taken.

From time to time, the Company may provide the Depositary, any Depositary’s agent, any registrar or any transfer agent with instructions concerning the services performed by the Depositary under the Deposit Agreement. In addition, at any time, the Depositary, any Depositary’s agent, any registrar or any transfer agent may apply to any officer of the Company for instruction, and may consult with legal counsel for the Depositary or the Company with respect to any matter arising in connection with the services to be performed by the Depositary, Depositary’s agent, registrar or transfer agent, as applicable, under the Deposit Agreement. The Depositary, Depositary’s agent, registrar, transfer agent and their respective agents and subcontractors shall not be liable and shall be indemnified by the Company for any action taken, suffered or omitted to be taken by them in reliance upon any instructions from the Company or upon the advice or opinion of such counsel. None of the Depositary, any Depositary’s agent, any registrar or any transfer agent shall be held to have notice of any change of authority of any person, until receipt of written notice thereof from the Company.

The Depositary, any Depositary’s agent, transfer agent, and registrar hereunder:

(i) shall have no obligation to make any payment hereunder unless the Company shall have provided the necessary federal or other immediately available funds or securities or property, as the case may be, to pay in full amounts due and payable with respect thereto;

(ii) may rely on and shall be authorized and protected in acting or omitting to act upon any certificate, instrument, opinion, notice, letter, facsimile transmission or other document or security delivered to it and believed by it to be genuine and to have been signed by the proper party or parties, and shall have no responsibility for determining the accuracy thereof;

(iii) may rely on and shall be authorized and protected in acting or omitting to act upon the written, telephonic, electronic and oral instructions given in accordance with the Deposit Agreement, with respect to any matter relating to its actions as Depositary, transfer agent or registrar covered by the Deposit Agreement (or supplementing or qualifying any such actions), of officers of the Company;

(iv) shall not be called upon at any time to advise any Person with respect to the Series I Preferred Stock, Depositary Shares or Depositary Receipts;

(v) shall not be liable or responsible for any recital or statement contained in any documents relating hereto or to the Series I Preferred Stock, the Depositary Shares or Depositary Receipts; and

(vi) shall not be liable in any respect on account of the identity, authority or rights of the parties (other than the Depositary) executing or delivering or purporting to execute or deliver the Deposit Agreement or any documents or papers deposited or called for under the Deposit Agreement.

The obligations of the Company and the rights of the Depositary, the Depositary’s agent, transfer agent or registrar survive the replacement, removal or resignation of any Depositary, registrar, transfer agent or Depositary’s agent or termination of the Deposit Agreement.

It is intended that neither the Depositary nor any Depositary’s agent shall be deemed to be an “issuer” of the securities under the federal securities laws or applicable state securities laws, it being expressly understood and agreed that the Depositary and any Depositary’s agent are acting only in a ministerial capacity as Depositary for the deposited Series I Preferred Stock; provided, however, that the Depositary agrees to comply with all information reporting and withholding requirements applicable to it under law or the Deposit Agreement in its capacity as Depositary.

The Depositary, the Depositary’s agent, transfer agent or registrar will not be under any duty or responsibility to ensure compliance with any applicable federal or state securities laws in connection with the issuance, transfer or exchange of the Depositary Receipts, Series I Preferred Stock or Depositary Shares.

DESCRIPTION OF THE SERIES I PREFERRED STOCK

The following summary of the Series I Preferred Stock (par value $1.00 per share) (“Series I Preferred Stock”) of United Community Banks, Inc., which underlay the Company’s Depositary Shares described above, is based on and qualified by reference to the Company’s amended and restated articles of incorporation (the “Articles”) and does not purport to be complete. Our Articles and the certificate of designations creating the Series I Preferred Stock are included or incorporated by reference as an exhibit to this Annual Report on Form 10-K. Throughout this description, references to the “Company,” “United,” “we,” “our,” and “us” refer to United Community Banks, Inc.

Overview of Series I Preferred Stock. Our Articles authorize up to 10,000,000 shares of preferred stock, par value $1.00 per share, which includes the 4,000 shares of Series I Preferred Stock.

The 4,000 shares of Series I Preferred Stock underlay and are represented by 4,000,000 Depositary Shares, which are described above.

The Depositary will be the sole holder of the Series I Preferred Stock, as described under “Description of the Company’s Depositary Shares Registered Under Section 12 of the Securities Exchange Act of 1934” above.

Shares of the Series I Preferred Stock will rank with respect to the payment of dividends and the distribution of assets upon voluntary or involuntary liquidation, dissolution or winding-up of the affairs of United:

•junior to our secured and unsecured debt;

•senior to our common stock and any other series of our junior stock that may be issued in the future;

•equally with parity stock and each other series of our preferred stock that by its terms is expressly stated to be on parity with the Series I Preferred Stock; and

•junior to any preferred stock that by its terms is expressly stated to be senior to the Series I Preferred Stock.

The Series I Preferred Stock will be fully paid and nonassessable when issued, which means that its holders will have paid their purchase price in full and that we may not ask them to surrender additional funds. Holders of Series I Preferred Stock will not have preemptive or subscription rights to acquire more stock of United.

The Series I Preferred Stock will not be convertible into, or exchangeable for, shares of any other class or series of stock or other securities of United. The Series I Preferred Stock has no stated maturity and will not be subject to any sinking fund or other obligation of United to redeem or repurchase the Series I Preferred Stock. The Series I Preferred Stock represents non-withdrawable capital, is not a bank deposit and is not insured by the FDIC or any other governmental agency, nor is it the obligation of, or guaranteed by, a bank.

Dividends. Dividends on shares of the Series I Preferred Stock will not be mandatory or cumulative. In addition, under the Federal Reserve Board’s risk-based capital rules related to additional tier 1 capital instruments, dividends on the Series I Preferred Stock may only be paid out of our net income, retained earnings, or surplus related to other additional tier 1 capital instruments. Holders of Series I Preferred Stock will be entitled to receive, when, as and if declared by our board of directors (or a duly authorized committee of the board), out of funds legally available for the payment of dividends, non-cumulative cash dividends from the original issue date, quarterly in arrears on the March 15, June 15, September 15 and December 15 of each year (each, a dividend payment date), commencing on September 15, 2020. These dividends will accrue, with respect to each dividend period, on the liquidation preference amount of $25,000 per share (equivalent to $25 per Depositary Share) at a rate per annum equal to 6.875% (equivalent to $1.71875 per Depositary Share per annum). Dollar amounts resulting from that calculation will be rounded to the nearest cent, with one-half cent being rounded upward. In the event that we issue additional shares of Series I Preferred Stock after the original issue date, dividends on such shares may accrue from the original issue date or any other date we specify at the time such additional shares are issued. Payment dates are subject to adjustment for business days.

Dividends will be payable to holders of record of Series I Preferred Stock as they appear on the stock register on the applicable record date, which shall be the 15th calendar day before that dividend payment date or such other record date fixed by our board of directors (or a duly authorized committee of the board) that is not more than 60 days nor less than 10 days prior to such dividend payment date (each, a “dividend record date”). These dividend record dates will apply regardless of whether a particular dividend record date is a business day. The corresponding record dates for the Depositary Shares will be the same as the record dates for the Series I Preferred Stock.

A dividend period is the period from and including a dividend payment date to but excluding the next dividend payment date, except that the initial dividend period will commence on and include the original issue date of the Series I Preferred Stock and will end on and exclude the September 15, 2020 dividend payment date. Dividends payable on the Series I Preferred Stock will be calculated on the basis of a 360-day year consisting of twelve 30-day months. If any date on which dividends would otherwise be payable is not a business day, then the dividend with respect to that dividend payment date will be paid on the next succeeding business day, without interest or other payment in respect of such delayed payment. For the avoidance of doubt, the succeeding dividend period will be from, and including, the previous dividend payment date (that was not a business day) to, but excluding the next succeeding dividend period’s dividend payment date. “Business day” means any weekday that is not a day on which banking institutions in New York City are generally authorized or obligated by law, regulation or executive order to close.

Dividends on shares of Series I Preferred Stock will not be cumulative. Accordingly, if our board of directors (or a duly authorized committee of the board) does not declare a dividend on the Series I Preferred Stock payable in respect of any dividend period before the related dividend payment date, such dividend will not accrue and we will have no obligation to pay a dividend for that dividend period on the dividend payment date or at any future time, whether or not dividends on the Series I Preferred Stock are declared for any future dividend period.

So long as any share of Series I Preferred Stock remains outstanding, (i) no dividend shall be paid or declared on our common stock or any other shares of our junior stock (as defined below) (other than a dividend payable solely in junior stock), (ii) no common stock or other junior stock shall be purchased, redeemed or otherwise acquired for consideration by us, directly or indirectly (other than as a result of a reclassification of junior stock for or into other junior stock, or the exchange or conversion of one share of junior stock for or into another share of junior stock and other than through the use of the proceeds of a substantially contemporaneous sale of junior stock), nor shall any monies be paid to or made available for a sinking fund for the redemption of any such junior stock by us and (iii) no shares of parity stock shall be repurchased, redeemed or otherwise acquired for consideration by us other than pursuant to pro rata offers to purchase all, or a pro-rata portion, of the Series I Preferred Stock and such parity stock except by conversion into or exchange for junior stock unless, in each case, the full dividends for the latest completed dividend period on all outstanding shares of Series I Preferred Stock have been declared and paid (or declared and a sum sufficient for the payment thereof has been set aside). However, the foregoing provision shall not restrict the ability of United, or any of our other affiliates, to engage in any market-making transactions in our junior stock in the ordinary course of business.

As used in this description, “junior stock” means any class or series of stock of United that ranks junior to the Series I Preferred Stock as to the payment of dividends and/or as to the distribution of assets upon any liquidation, dissolution or winding-up of United. Junior stock includes our voting and non-voting common stock.

When dividends are not paid (or declared and a sum sufficient for payment thereof set aside) on any dividend payment date (or, in the case of parity stock, as defined below, having dividend payment dates different from the dividend payment dates pertaining to the Series I Preferred Stock, on a dividend payment date falling within the related dividend period for the Series I Preferred Stock) in full on the Series I Preferred Stock and any shares of parity stock, all dividends declared on the Series I Preferred Stock and all such equally ranking securities payable on such dividend payment date (or, in the case of parity stock having dividend payment dates different from the dividend payment dates pertaining to the Series I Preferred Stock, on a dividend payment date falling within the

related dividend period for the Series I Preferred Stock) shall be declared pro rata so that the respective amounts of such dividends shall bear the same ratio to each other as all accrued but unpaid dividends per share on the Series I Preferred Stock and all parity stock payable on such dividend payment date (or, in the case of parity stock having dividend payment dates different from the dividend payment dates pertaining to the Series I Preferred Stock, on a dividend payment date falling within the related dividend period for the Series I Preferred Stock) bear to each other.

As used in this description, “parity stock” means any other class or series of stock of United that ranks equally with the Series I Preferred Stock in the payment of dividends and in the distribution of assets on any liquidation, dissolution or winding-up of United.

Subject to the foregoing, such dividends (payable in cash, securities or other property) as may be determined by our board of directors (or a duly authorized committee of the board) may be declared and paid on our common stock and any other stock ranking equally with or junior to the Series I Preferred Stock from time to time out of any funds legally available for such payment, and the shares of the Series I Preferred Stock shall not be entitled to participate in any such dividend.

We will not be able to declare, pay, or set aside payment for dividends if we fail to comply, or if and to the extent such act would cause us to fail to comply, with applicable laws, rules and regulations. The certificate of designations creating the Series I Preferred Stock provides that dividends on the Series I Preferred Stock may not be declared or set aside for payment if and to the extent such dividends would cause us to fail to comply with applicable capital adequacy guidelines.

Dividends on shares of the Series I Preferred Stock that are redeemed will cease to accrue on the redemption date, as described below under “— Redemption,” unless we default in the payment of the redemption price of the shares of the Series I Preferred Stock called for redemption.

Liquidation Rights. Upon any voluntary or involuntary liquidation, dissolution or winding-up of United, holders of Series I Preferred Stock are entitled to receive out of assets of United or proceeds thereof available for distribution to shareholders, after satisfaction of all liabilities and obligations to creditors, before any distribution of such assets or proceeds is made to or set aside for holders of common stock or of any of our other shares of stock ranking junior as to such a distribution to the shares of Series I Preferred Stock, and subject to the rights of the holders of any parity stock upon liquidation, a liquidating distribution in the amount of $25,000 per share (equivalent to $25 per Depositary Share) plus declared and unpaid dividends, without accumulation of any undeclared dividends. Holders of Series I Preferred Stock will not be entitled to any other amounts from us after they have received their full liquidation preference.

In any such distribution, if the assets of United or proceeds thereof are not sufficient to pay the liquidation preferences in full to all holders of Series I Preferred Stock and all holders of any other shares of our stock ranking equally as to such distribution with the Series I Preferred Stock, the amounts paid to the holders of Series I Preferred Stock and to the holders of all such other stock will be paid pro rata in accordance with the respective aggregate liquidation preferences of those holders. In any such distribution, the “liquidation preference” of any holder of preferred stock means the amount payable to such holder in such distribution (assuming no limitation on our assets available for such distribution), including any declared but unpaid dividends (and any unpaid, accrued cumulative dividends in the case of any holder of stock on which dividends accrue on a cumulative basis). If the liquidation preference has been paid in full to all holders of Series I Preferred Stock and any other shares of our stock ranking equally as to the liquidation distribution, the holders of our other stock shall be entitled to receive all remaining assets of United or proceeds thereof according to their respective rights and preferences.

For purposes of this description, our consolidation or merger with one or more other entities, including a merger or consolidation in which the holders of Series I Preferred Stock receive cash, securities or property for the shares, or the sale, lease or exchange of all or substantially all of the assets of United for cash, securities or other property, shall not be deemed to be a voluntary or involuntary liquidation, dissolution or winding up.

Because we are a holding company, our rights and the rights of our creditors and shareholders, including the holders of the Series I Preferred Stock, to participate in the assets of any subsidiary upon that subsidiary’s liquidation or recapitalization may be subject to the prior claims of that subsidiary’s creditors, except to the extent that we are a creditor with recognized claims against the subsidiary.

Redemption. The Series I Preferred Stock is perpetual and has no maturity date, and is not subject to any mandatory redemption, sinking fund or other similar provisions. We may, at our option, redeem the Series I Preferred Stock (i) in whole or in part, from time to time, on any date on or after September 15, 2025 (or, if not a business day, on the next succeeding business day), or (ii) in whole but not in part, at any time within 90 days following a Regulatory Capital Event, in each case, at a redemption price equal to $25,000 per share (equivalent to $25 per Depositary Share), plus accrued and unpaid dividends for the then-current dividend period to, but excluding, the redemption date, whether or not declared. Any declared but unpaid dividends payable on a redemption date that occurs subsequent to the dividend record date for a dividend period shall not be paid to the holder entitled to receive the redemption price on the redemption date, but rather shall be paid to the holder of record of the redeemed shares on such dividend record date. Holders of Series I Preferred Stock will have no right to require the redemption or repurchase of the Series I Preferred Stock.

We are a bank holding company and a financial holding company regulated by the Federal Reserve Board. We intend to treat the Series I Preferred Stock as “tier 1 capital” (or its equivalent) for purposes of the capital adequacy guidelines of the Federal Reserve Board (or, as and if applicable, the capital adequacy guidelines or regulations of any successor appropriate federal banking agency).

A “Regulatory Capital Event” means the good faith determination by United that, as a result of (i) any amendment to, or change in, the laws, rules or regulations of the United States or any political subdivision of or in the United States that is enacted or becomes effective after the initial issuance of any share of the Series I Preferred Stock, (ii) any proposed change in those laws, rules or regulations that is announced or becomes effective after the initial issuance of any share of the Series I Preferred Stock, or (iii) any official administrative decision or judicial decision or administrative action or other official pronouncement interpreting or applying those laws, rules or regulations or policies with respect thereto that is announced after the initial issuance of any share of the Series I Preferred Stock, there is more than an insubstantial risk that United will not be entitled to treat the full liquidation preference amount of $25,000 per share of Series I Preferred Stock then outstanding as “additional tier 1 capital” (or its equivalent) for purposes of the capital adequacy guidelines or regulations of the Board of Governors of the Federal Reserve Board (or, as and if applicable, the capital adequacy guidelines or regulations of any successor appropriate federal banking agency) as then in effect and applicable, for so long as any share of Series I Preferred Stock is outstanding. “Appropriate federal banking agency” means the “appropriate federal banking agency” with respect to us as that term is defined in Section 3(q) of the Federal Deposit Insurance Act or any successor provision.

We will not exercise our option to redeem any shares of preferred stock without obtaining the approval of the Federal Reserve Board (or any successor appropriate federal banking agency) as required by applicable law. Unless the Federal Reserve Board (or any successor appropriate federal banking agency) authorizes us to do otherwise in writing, we will redeem the Series I Preferred Stock only if it is replaced with other tier 1capital that is not a restricted core capital element (for example, common stock or another series of noncumulative perpetual preferred stock).

If shares of Series I Preferred Stock are to be redeemed, the notice of redemption shall be given by first class mail to the holders of record of Series I Preferred Stock to be redeemed, mailed not less than 30 days nor more than 60 days prior to the date fixed for redemption thereof; provided that, if the Depositary Shares representing the Series I Preferred Stock are held in global form through The Depositary Trust Company, or “DTC,” we may give such notice at such time and in any manner permitted by DTC. Each notice of redemption will include a statement setting forth:

•the redemption date;

•the number of shares of Series I Preferred Stock to be redeemed and, if less than all the shares held by such holder are to be redeemed, the number of such shares to be redeemed from such holder;

•the redemption price; and

•the place or places where holders may surrender certificates evidencing shares of Series I Preferred Stock for payment of the redemption price.

If notice of redemption of any shares of Series I Preferred Stock has been given and if the funds necessary for such redemption have been set aside by us for the benefit of the holders of any shares of Series I Preferred Stock so called for redemption, then, from and after the redemption date, dividends will cease to accrue on such shares of Series I Preferred Stock, such shares of Series I Preferred Stock shall no longer be deemed outstanding and all rights of the holders of such shares will terminate, except the right to receive the redemption price, without interest.

In case of any redemption of only part of the shares of the Series I Preferred Stock at the time outstanding, the shares to be redeemed shall be selected either pro rata or by lot. If fewer than all the shares represented by any certificate are redeemed, a new certificate shall be issued representing the unredeemed shares without charge to the holder thereof.

Holders of the Series I Preferred Stock will have no right to require the redemption or repurchase of the Series I Preferred Stock, and should not expect such redemption or repurchase.

See ““Description of the Company’s Depositary Shares Registered Under Section 12 of the Securities Exchange Act of 1934”” above for information about redemption of the Depositary Shares relating to our Series I Preferred Stock.

Voting Rights. Except as provided below or as required by law, the holders of Series I Preferred Stock will have no voting rights.

Whenever dividends on any Series I Preferred Stock or any other series of voting preferred stock (as defined herein) shall have not been declared and paid in an aggregate amount equal to full dividends for at least six quarterly dividend periods, whether or not for consecutive dividend periods (a “Nonpayment”), the holders of such Series I Preferred Stock, voting together as a single class with holders of any and all other series of voting preferred stock then outstanding, will be entitled to vote (in proportion to their respective stated amounts) for the election of a total of two additional members of our board of directors (the “Preferred Stock Directors”); provided that the election of any such directors shall not cause us to violate the corporate governance requirement of The Nasdaq Stock Market (or any other exchange on which our securities may be listed) that listed companies must have a majority of independent directors. In that event, the number of directors on our board of directors shall automatically increase by two, and the new directors shall be elected at a special meeting called at the request of the holders of record of at least 20% of the stated amount of the Series I Preferred Stock or of any other series of voting preferred stock (unless such request is received less than 90 days before the date fixed for the next annual or special meeting of the shareholders, in which event such election shall be held at such next annual or special meeting of shareholders), and at each subsequent annual meeting. These voting rights will continue until dividends on the Series I Preferred Stock and any such series of voting preferred stock for at least four consecutive dividend periods following the Nonpayment shall have been fully paid.

As used in this description, “voting preferred stock” means any other class or series of our preferred stock ranking equally with the Series I Preferred Stock either as to the payment of dividends or the distribution of assets upon our liquidation, dissolution or winding-up and upon which like voting rights have been conferred and are exercisable.

If and when dividends for at least four consecutive quarterly dividend periods following a Nonpayment have been paid in full, the holders of the Series I Preferred Stock shall be divested of the foregoing voting rights

(subject to revesting in the event of each subsequent Nonpayment) and, if such voting rights for all other holders of voting preferred stock have terminated, the term of office of each Preferred Stock Director so elected shall terminate and the number of directors on the board of directors shall automatically decrease by two. In determining whether dividends have been paid for four dividend periods following a Nonpayment, we may take account of any dividend we elect to pay for such a dividend period after the regular dividend payment date for that period has passed. Any Preferred Stock Director may be removed at any time with or without cause by the holders of record of a majority of the outstanding Series I Preferred Stock and any other shares of voting preferred stock then outstanding, voting together as a single class in proportion to their respective stated amounts, when they have the voting rights described above. So long as a Nonpayment shall continue, any vacancy in the office of a Preferred Stock Director (other than prior to the initial election after a Nonpayment) shall be filled by the written consent of the Preferred Stock Director remaining in office, or, solely in the case where no Preferred Stock Director remains in office, by a vote of the holders of record of a majority of the outstanding Series I Preferred Stock and any other shares of voting preferred stock then outstanding, voting together as a single class in proportion to their respective stated amounts. The Preferred Stock Directors shall each be entitled to one vote per director on any matter.

So long as any Series I Preferred Stock remains outstanding, we will not, without the affirmative vote or consent of the holders of at least two-thirds of the outstanding Series I Preferred Stock and all other series of voting preferred stock entitled to vote thereon (voting together as a single class in proportion to their respective stated amounts), given in person or by proxy, either in writing or at a meeting:

•amend or alter the provisions of our Articles or the certificate of designations for the Series I Preferred Stock so as to authorize or create, or increase the authorized amount of, any class or series or any securities convertible into shares of any class or series of stock ranking senior to the Series I Preferred Stock with respect to payment of dividends and/or the distribution of assets upon our liquidation, dissolution or winding-up;

•amend, alter or repeal the provisions of our Articles, the certificate of designations for the Series I Preferred Stock or our amended and restated bylaws so as to materially and adversely affect the special rights, preferences, and voting powers of the Series I Preferred Stock, taken as a whole; or

•consummate (i) a binding share exchange or reclassification involving the Series I Preferred Stock, (ii) our merger or consolidation with another entity or (iii) a conversion, transfer, domestication or continuance into another entity or an entity organized under the laws of another jurisdiction, unless in each case (x) the shares of Series I Preferred Stock remain outstanding following the consummation of such binding share exchange, reclassification or merger or, in the case of any such merger or consolidation with respect to which we are not the surviving or resulting entity, or any such conversion, transfer, domestication or continuance, are converted into or exchanged for preference securities of the surviving or resulting entity or its ultimate parent and such surviving or resulting entity or ultimate parent, as the case may be, is organized under the laws of the United States of America, any State thereof, the District of Columbia, Bermuda, the Cayman Islands or any country or state that is a member of the Organization of Economic Cooperation and Development, and (y) such shares of Series I Preferred Stock remaining outstanding or such preference securities, as the case may be, have such rights, preferences, and voting powers, taken as a whole, as are not materially less favorable to the holders thereof than the rights, preferences, and voting powers of the Series I Preferred Stock immediately prior to such consummation, taken as a whole; provided, however, that any increase in the number of the authorized or issued shares of Series I Preferred Stock or the authorized number of shares of preferred stock or the creation and issuance, or an increase in the authorized or issued number of shares of, other series of preferred stock that does not rank senior to the Series I Preferred Stock with respect to either the payment of dividends (whether such dividends are cumulative or non-cumulative) or the distribution of assets upon our liquidation, dissolution or winding-up will not be deemed to materially and adversely affect the special rights, preferences, or voting powers of the Series I Preferred Stock.

If an amendment, alteration, repeal, share exchange, reclassification, merger, consolidation, conversion, transfer, domestication or continuance described above would materially and adversely affect the rights, preferences or voting powers of one or more, but not all, series of voting preferred stock (including the Series I Preferred Stock

for this purpose), then only the series the rights, preferences or voting powers of which are materially and adversely affected by such event and entitled to vote shall vote as a class in lieu of all series of voting preferred stock.

The foregoing voting provisions will not apply if, at or prior to the time when the act with respect to which such vote would otherwise be required shall be effected, all outstanding Series I Preferred Stock shall have been redeemed or called for redemption upon proper notice, and sufficient funds shall have been set aside by us for the benefit of the holders of Series I Preferred Stock to effect such redemption.

Information Rights. During any period in which we are not subject to Section 13 or 15(d) of the Securities Exchange Act of 1934 (“Exchange Act”) and any shares of the Series I Preferred Stock are outstanding, we will use our best efforts to (i) transmit through our website at www.ucbi.com (or other permissible means under the Exchange Act) to all holders of the Series I Preferred Stock, as their names and addresses appear on our record books and without cost to such holders, copies of the annual reports on Form 10-K and quarterly reports on Form 10-Q that we would have been required to file with the SEC pursuant to Section 13 or 15(d) of the Exchange Act if we were subject thereto (other than any exhibits that would have been required) and (ii) promptly, upon request, supply copies of such reports to any holders or prospective holder of the Series I Preferred Stock. We will use our best effort to mail (or otherwise provide) the information to the holders of the Series I Preferred Stock within 15 days after the respective dates by which a periodic report on Form 10-K or Form 10-Q, as the case may be, in respect of such information would have been required to be filed with the SEC, if we were subject to Section 13 or 15(d) of the Exchange Act, in each case, based on the dates on which we would be required to file such periodic reports if we were a “non-accelerated filer” within the meaning of the Exchange Act.

Preemptive and Conversion Rights. The holders of the Series I Preferred Stock do not have any preemptive or conversion rights.

Additional Classes or Series of Stock. We will have the right to authorize and issue additional classes or series of stock ranking equally with or junior to the Series I Preferred Stock as to dividends or distribution of assets upon our liquidation, dissolution, or winding up without the consent of the holders of the Series I Preferred Stock, or the holders of the related Depositary Shares.

Governing Law. The Series I Preferred Stock is governed by Georgia law.

EX-10.24

Exhibit 10.24

UNITED COMMUNITY BANKS, INC.

AMENDED AND RESTATED

2000 KEY EMPLOYEE STOCK OPTION PLAN

RESTRICTED STOCK UNIT AWARD AGREEMENT

(Non-Employee Director)

Grantee:
Number of RSUs:	RSUs
Date of Grant:
Vesting Schedule:

Vesting Date Vest Quantity

THIS AGREEMENT (the “Agreement”) is entered into as of the _____day of ______, _________, by and between UNITED COMMUNITY BANKS, INC., a Georgia corporation (the “Company”), and the individual designated above (the “Grantee”).

WHEREAS, the Company maintains the United Community Banks, Inc. Amended and Restated 2000 Key Employee Stock Option Plan (the “Plan”), and the Grantee has been selected by the Committee to receive a Restricted Stock Unit Award under the Plan in connection with Grantee’s service as a member of the Board of Directors of the Company;

NOW, THEREFORE, IT IS AGREED, by and between the Company and the Grantee, as follows:

1.Award of Restricted Stock Units

1.1    Grant. The Company hereby grants to the Grantee an award of Restricted Stock Units (“RSUs”) in the amount set forth above, subject to, and in accordance with, the restrictions, terms, and conditions set forth in this Agreement and the Plan. The grant date of this award of RSUs is set forth above (the “Date of Grant”).

1.2    Construction. This Agreement shall be construed in accordance and consistent with, and subject to, the provisions of the Plan (the provisions of which are incorporated herein by reference) and, except as otherwise expressly set forth herein, the capitalized terms used in this Agreement shall have the same definitions as set forth in the Plan.

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1.3    Execution of the Agreement. This Award is conditioned on the Grantee’s execution of this Agreement. By executing this Agreement, the Grantee agrees to the terms set forth in this Agreement (and the provisions of the Plan incorporated herein). If this Agreement is not executed by the Grantee and returned to the Company within seven days of the Date of Grant, it may be canceled by the Committee resulting in the immediate forfeiture of all RSUs granted hereunder.

2.Vesting and Termination of Service

2.1    Vesting. Subject to this Section 2 and Section 7, if the Grantee continues to serve as a member of the Board of Directors of the Company, the RSUs shall vest in accordance with the vesting schedule set forth above. Each date on which the RSUs vest is hereinafter referred to as a “Vesting Date”. Notwithstanding the foregoing, no Vesting Date can be any earlier than the day immediately after the day which is twelve (12) months and thirty (30) days following the Date of Grant (the period from the Date of Grant until the day which is twelve (12) months and thirty (30) days following the Date of Grant being hereinafter referred to as the “Initial Restriction Period”). Except as otherwise provided herein, on the Vesting Date, a number of Shares equal to the number of vested RSUs shall be issued to the Grantee free and clear of all restrictions imposed by this Agreement (except those imposed by Sections 3.3 and 7 below). As soon as practicable (and no later than thirty (30) days) after the Vesting Date, the Company shall transfer such Shares to an unrestricted account in the name of the Grantee (or, if the Grantee has died, to his or her surviving spouse or, if none, to the Grantee’s estate). For purposes of this Agreement, employment with the Company or a Subsidiary of the Company or service as a member of the Board of Directors of a Subsidiary of the Company shall be considered continued service as a member of the Board of Directors of the Company.

2.2    Termination of Service Due to Death or Disability. If the Grantee’s service as a member of the Board of Directors of the Company is terminated as a result of the Grantee’s death or Disability (as defined in the Plan), the unvested RSUs shall immediately vest on such Date of Termination, and a number of Shares equal to such vested RSUs shall be issued to the Grantee (or the Grantee’s surviving spouse or estate) in the manner described in Section 2.1.

2.3    Termination of Service by the Company for Cause. If the Grantee’s service as a member of the Board of Directors of the Company is terminated by the Company, the Board or otherwise for Cause (as defined in the Plan), the unvested RSUs shall be forfeited immediately as of the Date of Termination.

2.4    Termination of Service by the Company Following a Change in Control. If the Grantee’s service as a member of the Board of Directors of the Company is terminated by the Company, by the Board or otherwise (x) on or within 18 months after a Change in Control (as defined in the Plan) (other than for Cause or due to death or Disability) and (y) after the expiration of the Initial Restriction Period, the unvested RSUs shall immediately vest on such Date of Termination, and a number of Shares equal to the number of such vested RSUs shall be issued to the Grantee as described in Section 2.1.

2.5    Termination of Service for Other Reasons. If the Grantee’s service as a member of the Board of Directors of the Company is terminated by the Company or the Grantee under

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circumstances other than those outlined above in Sections 2.2, 2.3 or 2.4, the unvested RSUs shall immediately be forfeited as of the Date of Termination.

2.6    Nontransferability. The RSUs may not be sold, assigned, transferred, pledged, or otherwise encumbered prior to the date the Grantee becomes vested in the RSUs and the Shares are issued.

2.7    Section 409A Compliance. To the extent applicable, this Agreement shall at all times be interpreted and operated in compliance with the requirements of Section 409A of the Internal Revenue Code of 1986, as amended and the standards, regulations or other guidance promulgated thereunder (“Section 409A”). Any action that may be taken (and, to the extent possible, any action actually taken) by the Company shall not be taken (or shall be void and without effect), if such action violates the requirements of Section 409A. Any provision in this Agreement that is determined to violate the requirements of Section 409A shall be void and without effect. In addition, any provision that is required to appear in this Agreement in accordance with Section 409A that is not expressly set forth herein shall be deemed to be set forth herein, and the Agreement shall be administered in all respects as if such provision were expressly set forth. The Company shall delay the commencement of any delivery of Shares that are payable to the Grantee upon his separation from service if the Grantee is a “key employee” of the Company (as determined by the Company in accordance with procedures established by the Company that are consistent with Section 409A) to the date which is immediately following the earlier of (i) six months after the date of the Grantee’s separation from service or (ii) the Grantee’s death, to the extent such delay is required under the provisions of Section 409A to avoid imposition of additional income and other taxes, provided that the Company and the Grantee agree to take into account any exemptions available under Section 409A. For purposes of this Agreement, termination of service shall be construed consistent with the meaning of a separation from service within the meaning of Section 409A.

3.Change in Capitalization; Deferral Rights

3.1    Following the Grant Date of the RSUs through the date that is the earlier of (i) the date that the RSUs are vested and transferred to the Grantee pursuant to Section 2.1 or (ii) the date that the RSUs are forfeited, the Grantee shall be credited with dividend equivalents or other distributions declared on the Shares represented by the RSUs in the manner determined by the Committee. Within thirty (30) days after a Vesting Date, Grantee shall be paid in cash the dividend equivalents or other distributions with respect to the vested RSUs to which the dividend equivalents or other distributions relate, less applicable withholdings.

3.2    In the event of a change in capitalization, the Committee shall make appropriate adjustments in accordance with Section 4.3 of the Plan to reflect the change in capitalization, provided that any such additional Shares or additional or different shares or securities reflected in any such adjustment shall remain subject to the restrictions in this Agreement.

3.3    The Grantee represents and warrants that the Grantee is acquiring the Shares under this Agreement for investment purposes only, and not with a view to distribution thereof. The Grantee is aware that the Shares may not be registered under the federal or any state securities laws and that for that reason, in addition to the other restrictions on the Shares, they will not be able to be

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transferred unless an exemption from registration is available or the Shares are registered. By making this award of RSUs, the Company is not undertaking any obligation to register the RSUs under any federal or state securities laws.

3.4    To the extent the Grantee is eligible to participate in a deferred compensation plan established for such purpose, the Grantee may elect to defer delivery of the Shares that would otherwise be due by virtue of the lapse or waiver of the vesting requirements as set forth in Section 2. If such deferral election is made, the Committee shall, in its sole discretion, establish the rules and procedures for such deferrals which shall be in compliance with Section 409A.

4.No Right to Continued Service

Nothing in this Agreement or the Plan shall be interpreted or construed to confer upon the Grantee any right with respect to continuance of service as a member of the Board of Directors of the Company, nor shall this Agreement or the Plan interfere in any way with the right of the Company, the shareholders or others to terminate the Grantee’s service as a member of the Board of Directors of the Company at any time in accordance with applicable law and/or the governing documents of the Company.

5.Taxes and Withholding

The Grantee shall be responsible for all federal, state, and local income taxes payable with respect to this award of RSUs and any dividends or dividend equivalents paid on such RSUs. The Company and the Grantee agree to report the value of the RSUs in a consistent manner for federal income tax purposes.

6.The Grantee Bound by The Plan

The Grantee hereby acknowledges receipt of a copy of the Plan and the prospectus for the Plan, and agrees to be bound by all the terms and provisions thereof.

7.Restrictive Covenants

7.1    In consideration for the grant of the RSUs, continued service as a Board Member, and other good and valuable consideration, the Grantee agrees to the following:

(i)    During the time period when the Grantee is serving as a member of the Board of Directors of the Company or any Subsidiary and for a one (1) year period after that service ends, the Grantee will not directly or indirectly, individually, or on behalf of any Person other than the Company or a Subsidiary:

(a)    solicit any Customers for the purpose of providing services identical to or reasonably substitutable for the Company’s Business;

(b)    solicit or induce, or in any manner attempt to solicit or induce, any Person employed by the Company or any Subsidiary to leave such employment, whether or not

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such employment is pursuant to a written contract with the Company or any Subsidiary or is at will; or

        (c)    knowingly or intentionally damage or destroy the goodwill and esteem of the Company, any Subsidiary, the Company’s Business or the Company’s or any Subsidiary’s suppliers, employees, patrons, customers, and others who may at any time have or have had relations with the Company or any Subsidiary.

(ii)    During the time period when the Grantee is serving as a member of the Board of Directors of the Company or any Subsidiary and at all times thereafter, the Grantee will not disclose or use Confidential Information, except as necessary to carry out Grantee’s duties as a Member of the Board of Directors of the Company or any Subsidiary.

(iii)    Upon termination or expiration of the Grantee’s service on the Board of Directors with the Company for any reason whatsoever or at any time, the Grantee will upon request by the Company deliver promptly to the Company all materials (including electronically-stored materials), documents, plans, records, notes, or other papers, and any copies in the Grantee’s possession or control, relating in any way to the Company’s Business, which at all times shall be the property of the Company.

7.2    For purposes of this Agreement, the following terms shall have the meanings specified below:

(i)    “Company’s Business” means the business of operating a commercial or retail bank, savings association, mutual thrift, credit union, trust company, securities brokerage or insurance agency, or equipment financing business.

(ii)    “Confidential Information” means information, without regard to form, relating to the Company’s or any Subsidiary’s customers, operation, finances, and business that has value to the Company or any Subsidiary, is not generally known to competitors of the Company or a Subsidiary, and that the Grantee became aware of due to Grantee’s relationship with the Company. Confidential Information includes, but is not limited to, technical or non-technical data (including personnel data), formulas, patterns, compilations (including compilations of customer information), programs, devices, methods, techniques, processes, financial data or lists of actual or potential customers (including identifying information about customers), whether or not in writing. Confidential Information includes information disclosed to the Company or any Subsidiary by third parties that the Company or any Subsidiary is obligated to maintain as confidential. Confidential Information subject to this Agreement may include information that is not a trade secret under applicable law, but information not constituting a trade secret only shall be treated as Confidential Information under this Agreement for a five (5) year period after the Date of Termination.

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(iii)    “Customers” means all Persons about whom the Grantee obtained Confidential Information, during the 24 months prior to the Date of Termination, as a result of the Grantee’s association with the Company.

(iv)    “Date of Termination” means the date upon which the Grantee’s service with the Company or any Subsidiary ceases for any reason.

(v)    “Person” means any individual, corporation, bank, partnership, joint venture, association, joint-stock company, trust, unincorporated organization or other entity.

7.3    If the Grantee violates the restrictive covenants set forth in Section 7.1, then the Company shall be entitled to all remedies available in law or equity. In addition (and without limiting the foregoing), if the Grantee violates the restrictive covenants set forth in Section 7.1, the Committee shall, notwithstanding any other provision in this Agreement to the contrary, (i) cancel the outstanding RSUs that are not yet vested or with respect to which Shares have not yet been issued to the Grantee, and (ii) require the Grantee to return to the Company any Shares issued to the Grantee pursuant to vesting of the RSUs (or to pay to the Company the greater of the then current value of such Shares or the value of the shares as of the applicable Vesting Date) that occurred (or will occur) during the period six (6) months prior to and one (1) year after the Date of Termination.

7.4    The Grantee acknowledges and agrees that the provisions of Section 7.1 are reasonable as to time, scope and territory given the Company’s need to protect its and its Subsidiaries’ Confidential Information and its and their relationships and goodwill with its and their customers, suppliers, employees and contractors, all of which have been developed at great time and expense to the Company. The Grantee represents that the Grantee has the skills and abilities to continue or obtain employment after the Date of Termination that would not violate the covenants in Section 7.1 and that these covenants do not pose an undue hardship on the Grantee. The Grantee further acknowledges that the Grantee’s breach of any of the covenants in Section 7.1 would likely cause irreparable injury to the Company, and therefore entitle the Company to injunctive relief, in addition to any other remedies available in law or equity.

7.5    The Defend Trade Secrets Act (18 U.S.C. § 1833(b)) states: “An individual shall not be held criminally or civilly liable under any federal or state trade secret law for the disclosure of a trade secret that (A) is made (i) in confidence to a federal, state, or local government official, either directly or indirectly, or to an attorney; and (ii) solely for the purpose of reporting or investigating a suspected violation of law; or (B) is made in a complaint or other document filed in a lawsuit or other proceeding, if such filing is made under seal.” Accordingly, Grantee shall have the right to disclose in confidence trade secrets to federal, state, and local government officials, or to an attorney, for the sole purpose of reporting or investigating a suspected violation of law. Grantee shall also have the right to disclose trade secrets in a document filed in a lawsuit or other proceeding, but only if the filing is made under seal and protected from public disclosure. Nothing in this Agreement is intended to conflict with 18

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U.S.C. § 1833(b) or create liability for disclosures of trade secrets that are expressly allowed by 18 U.S.C. § 1833(b).

8.    Modification of Agreement; Severability

            If any provision of this Agreement is held by a court of competent jurisdiction to be overly broad or unenforceable for any reason, the parties authorize such court to modify and enforce such provision to the extent the court deems reasonable. If any provision of this Agreement is found by a court to be overbroad or otherwise unenforceable and not capable of modification, it shall be severed and the remaining covenants and clauses enforced in accordance with the tenor of this Agreement. The parties may modify, amend, suspend or terminate this Agreement or may waive any terms or conditions of this Agreement but only by a written instrument executed by the parties hereto.

9.    Governing Law and Forum

The validity, interpretation, construction, and performance of this Agreement shall be governed by the laws of the state of Georgia without giving effect to the conflicts of laws principles thereof. The parties agree that they will not file any action arising out of or relating in any way to this Agreement other than in the United States District Court for the Northern District of Georgia or the Superior Court of Union County, Georgia. The parties consent to personal jurisdiction and venue solely within these forums and waive all possible objections thereto.

10.    Successors in Interest

This Agreement shall inure to the benefit of, and be binding upon, the Company and its successors and assigns, whether by merger, consolidation, reorganization, sale of assets, or otherwise. This Agreement shall inure to the benefit of the Grantee’s legal representatives. All obligations imposed upon the Grantee and all rights granted to the Company under this Agreement shall be final, binding, and conclusive upon the Grantee’s heirs, executors, administrators, and successors.

11.    Entire Agreement

This Agreement and the Plan contain the entire agreement and understanding of the parties hereto with respect to the subject matter contained herein and supersede all prior communications, representations and negotiations in respect thereto. Wherever appropriate in this Agreement, personal pronouns shall be deemed to include the other genders and the singular to include the plural. Wherever used in this Agreement, the term “including” means “including, without limitation.”

12.    Resolution of Disputes

    Any dispute or disagreement which may arise under, or as a result of, or in any way relate to, the interpretation, construction or application of this Agreement and the Plan shall

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be determined by the Committee. Any determination made by the Committee shall be final, binding and conclusive on the Grantee and the Company and their successors, assigns, heirs, executors, administrators and legal representatives for all purposes.

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IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above written.

                        UNITED COMMUNITY BANKS, INC.

By:    

                        Name:    

                        Title: _____________________________________

By accepting this Agreement, the Grantee hereby accepts the RSU grant subject to all its terms and provisions and agrees to be bound by the terms and provisions of this Agreement, including Section 7, and the Plan. The Grantee hereby agrees to accept as binding, conclusive and final all decisions or interpretations of the Board of Directors of the Company, or the Talent and Compensation Committee or other Committee responsible for the administration of the Plan, upon any questions arising under the Plan.

By accepting this Agreement, the Grantee hereby acknowledges that notwithstanding any other provision herein, and in addition to other restrictions stated herein, any award, or any payment related thereto paid to the Grantee, shall be limited to the extent required by the federal or state regulatory agency having authority over the Company. The Grantee agrees that compliance by the Company with such regulatory restrictions, even to the extent that payments are limited, shall not be a breach of this Agreement by the Company.

By accepting this Agreement, the Grantee hereby consents to the holding and processing of personal data provided by the Grantee to the Company for all purposes necessary for the operation of the Plan. These include, but are not limited to:

(a)    administering and maintaining Plan records;

(b)    providing information to any registrars, brokers or third party administrators of the Plan; and

(c)    providing information to future purchasers of the Company or the business in which the Grantee works.    

GRANTEE

Signature: ___________________________

Name:    ______________________________

Date:    ______________________________                        

~#4836-6584-3053 v.1~

EX-10.25

Exhibit 10.25

UNITED COMMUNITY BANKS, INC.

AMENDED AND RESTATED

2000 KEY EMPLOYEE STOCK OPTION PLAN

RESTRICTED STOCK UNIT AWARD AGREEMENT

Grantee:	___________________
Number of RSUs:	______________RSUs
Date of Grant:	___________________
Vesting Schedule:

Vesting Date Vest Quantity

THIS AGREEMENT (the “Agreement”) is entered into as of the ____ day of _______________ by and between UNITED COMMUNITY BANKS, INC., a Georgia corporation (the “Company”), and the individual designated above (the “Grantee”).

WHEREAS, the Company maintains the United Community Banks, Inc. Amended and Restated 2000 Key Employee Stock Option Plan (the “Plan”), and the Grantee has been selected by the Committee to receive a Restricted Stock Unit Award under the Plan;

NOW, THEREFORE, IT IS AGREED, by and between the Company and the Grantee, as follows:

1.Award of Restricted Stock Units

1.1    Grant. The Company hereby grants to the Grantee an award of Restricted Stock Units (“RSUs”) in the amount set forth above, subject to, and in accordance with, the restrictions, terms, and conditions set forth in this Agreement and the Plan. The grant date of this award of RSUs is set forth above (the “Date of Grant”).

1.2    Construction. This Agreement (including any Exhibits) shall be construed in accordance and consistent with, and subject to, the provisions of the Plan (the provisions of which are incorporated herein by reference) and, except as otherwise expressly set forth herein, the capitalized terms used in this Agreement shall have the same definitions as set forth in the Plan.

1.3    Execution of the Agreement. This Award is conditioned on the Grantee’s execution of this Agreement. By executing this Agreement, the Grantee agrees to the terms set forth in this Agreement (and the provisions of the Plan incorporated herein). If this Agreement is not executed

Page | 2

by the Grantee and returned to the Company within seven days of the Date of Grant, it may be canceled by the Committee resulting in the immediate forfeiture of all RSUs granted hereunder.

2.Vesting and Termination of Employment

2.1    Vesting. Subject to this Section 2 and Section 7, if the Grantee remains employed by the Company, the RSUs shall vest in accordance with the vesting schedule set forth above. Each date on which the RSUs vest is hereinafter referred to as a “Vesting Date.” Notwithstanding the foregoing, no Vesting Date can be any earlier than the day immediately after the day which is twelve (12) months and thirty (30) days following the Date of Grant (the period from the Date of Grant until the day which is twelve (12) months and thirty (30) days following the Date of Grant being hereinafter referred to as the “Initial Restriction Period.” Except as otherwise provided herein, on the Vesting Date, a number of Shares equal to the number of vested RSUs shall be issued to the Grantee free and clear of all restrictions imposed by this Agreement (except those imposed by Sections 3.3 and 7 below). As soon as practicable (and no later than thirty (30) days) after the Vesting Date, the Company shall transfer such Shares to an unrestricted account in the name of the Grantee (or, if the Grantee has died, to his or her surviving spouse or, if none, to the Grantee’s estate). For purposes of this Agreement, employment with a Subsidiary of the Company or service as a member of the Board of Directors of the Company or a Subsidiary shall be considered employment with the Company.

2.2    Termination of Employment Due to Death or Disability. If the Grantee’s employment is terminated by the Company as a result of death or Disability (as defined in the Plan), the unvested RSUs shall immediately vest as of the Date of Termination, and a number of Shares equal to the number of such vested RSUs shall be transferred to the Grantee (or the Grantee’s surviving spouse or estate) in the manner provided in Section 2.1.

2.3    Termination in Connection with a Change In Control.

2.3.1    If a Change in Control (as defined in the Plan) occurs and the Grantee’s employment is terminated (x) within six (6) months prior to or eighteen (18) months following the date of the Change in Control and (y) after the expiration of the Initial Restriction Period, and if such termination is either an involuntary termination by the Company without Cause (as defined in the Plan) or a termination by the Grantee for Good Reason (as defined below) and the termination does not arise as a result of Executive’s death or Disability, the unvested RSUs shall fully vest immediately upon the later of (i) the Change in Control, or (ii) the Date of Termination, and a number of Shares equal to the number of such vested RSUs shall be transferred to the Grantee in the manner provided in Section 2.1.

2.3.2    For purposes of this Section 2.3, a “Good Reason” for termination by the Grantee of the Grantee’s employment shall mean the occurrence (without the Grantee’s express written consent), within six (6) months prior to or eighteen (18) months following the date of the Change in Control, of any one of the following acts by the Company, or failures by the Company to act:

~#4827-0305-3933 v.1~~

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(i)    the substantial adverse change in the Grantee’s responsibilities at the Company from those in effect immediately prior to the date that is six (6) months prior to the date of a Change in Control (the “Measurement Date”); or

(ii)    the required relocation of the Grantee to a location outside of the market area of the Company on the Measurement Date; or

(iii)     a material reduction in the levels of coverage of the Grantee under the Company’s director and officer liability insurance policy or indemnification commitments from those levels in effect on the Measurement Date; or

(iv)    after the Measurement Date, a reduction in the Grantee’s base salary, a reduction in his or her incentive compensation or the failure by the Company to continue to provide the Grantee with benefits substantially similar to those enjoyed by the Grantee under any of the Company’s pension, deferred compensation, life insurance, medical, health and accident or disability plans in which the Grantee was participating at the Measurement Date, the taking of any action by the Company which would directly or indirectly reduce any of such benefits or deprive the Grantee of any material fringe benefit enjoyed by the Grantee at the Measurement Date.

2.3.3    The Grantee must give the Company notice of any event or condition that would constitute Good Reason within thirty (30) days of the event or condition, and upon receipt of such notice, the Company shall have thirty (30) days to remedy such event or condition. If such event or condition is not remedied within such 30-day period, any termination of employment by the Grantee for Good Reason must occur within thirty (30) days after the period for remedying the event or condition has expired. Notwithstanding the foregoing, for any act or failure to act described in Section 2.3.2(iv) above, the Grantee must give the Company notice of such event or condition within thirty (30) days after the Change in Control.

2.3.4    The Grantee’s right to terminate the Grantee’s employment for Good Reason shall not be affected by the Grantee’s incapacity due to physical or mental illness, except for a Disability. Grantee’s continued employment shall not constitute consent to, or a waiver of rights with respect to, any act or failure to act constituting Good Reason hereunder.

2.4    Termination of Employment for Other Reasons. If the Grantee’s employment is terminated by the Company or by the Grantee under circumstances other than those outlined above in Sections 2.2 and 2.3, the outstanding unvested RSUs shall immediately be forfeited as of the Date of Termination.

2.5    Nontransferability. The RSUs may not be sold, assigned, transferred, pledged, or otherwise encumbered prior to the date the Grantee becomes vested in the RSUs and the Shares are issued.

2.6    Section 409A Compliance. To the extent applicable, this Agreement shall at all times be interpreted and operated in compliance with the requirements of Section 409A of the Internal Revenue Code of 1986, as amended and the standards, regulations or other guidance

~#4827-0305-3933 v.1~~

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promulgated thereunder (“Section 409A”). Any action that may be taken (and, to the extent possible, any action actually taken) by the Company shall not be taken (or shall be void and without effect), if such action violates the requirements of Section 409A. Any provision in this Agreement that is determined to violate the requirements of Section 409A shall be void and without effect. In addition, any provision that is required to appear in this Agreement in accordance with Section 409A that is not expressly set forth herein shall be deemed to be set forth herein, and the Agreement shall be administered in all respects as if such provision were expressly set forth. The Company shall delay the commencement of any delivery of Shares that are payable to the Grantee upon his separation from service if the Grantee is a “key employee” of the Company (as determined by the Company in accordance with procedures established by the Company that are consistent with Section 409A) to the date which is immediately following the earlier of (i) six months after the date of the Grantee’s separation from service or (ii) the Grantee’s death, to the extent such delay is required under the provisions of Section 409A to avoid imposition of additional income and other taxes, provided that the Company and the Grantee agree to take into account any exemptions available under Section 409A. For purposes of this Agreement, termination of employment shall be construed consistent with the meaning of a separation from service within the meaning of Section 409A.

3.Change in Capitalization; Deferral Rights

3.1    Following the Grant Date of the RSUs through the date that is the earlier of (i) the date that the RSUs are vested and transferred to the Grantee pursuant to Section 2.1 or (ii) the date that the RSUs are forfeited, the Grantee shall be paid in cash, through the Company’s regular payroll process, a dividend equivalent amount equal to any dividends or other distributions declared on the Shares represented by the RSUs, less applicable withholdings, in the manner determined by the Committee.

3.2    In the event of a change in capitalization, the Committee shall make appropriate adjustments in accordance with Section 4.3 of the Plan to reflect the change in capitalization, provided that any such additional Shares or additional or different shares or securities reflected in any such adjustment shall remain subject to the restrictions in this Agreement.

3.3    The Grantee represents and warrants that the Grantee is acquiring the Shares under this Agreement for investment purposes only, and not with a view to distribution thereof. The Grantee is aware that the Shares may not be registered under the federal or any state securities laws and that for that reason, in addition to the other restrictions on the Shares, they will not be able to be transferred unless an exemption from registration is available or the Shares are registered. By making this award of RSUs, the Company is not undertaking any obligation to register the RSUs under any federal or state securities laws.

3.4    To the extent the Grantee is eligible to participate in a deferred compensation plan established for such purpose, the Grantee may elect to defer delivery of the Shares that would otherwise be due by virtue of the lapse or waiver of the vesting requirements as set forth in Section 2. If such deferral election is made, the Committee shall, in its sole discretion, establish the rules and procedures for such deferrals which shall be in compliance with Section 409A.

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4.No Right to Continued Employment

Nothing in this Agreement or the Plan shall be interpreted or construed to confer upon the Grantee any right with respect to continuance of employment by the Company, nor shall this Agreement or the Plan interfere in any way with the right of the Company to terminate the Grantee’s employment at any time. The Grantee is employed by the Company “at will,” which means that either the Grantee or the Company may terminate the Grantee’s employment at any time, for any reason.

5.Taxes and Withholding

The Grantee shall be responsible for all federal, state, and local income taxes payable with respect to this award of RSUs and any dividends or dividend equivalents paid on such RSUs. The Company and the Grantee agree to report the value of the RSUs in a consistent manner for federal income tax purposes. The Company shall have the right to retain and withhold from any payment of Shares (for the minimum required withholdings or such other amounts as will not result in adverse accounting treatment to the Company) or cash the amount of taxes required by any government to be withheld or otherwise deducted and paid with respect to such payment. At its discretion, the Company may require the Grantee to reimburse the Company for any such taxes required to be withheld and may withhold any distribution in whole or in part until the Company is so reimbursed. In lieu thereof, the Company shall have the right to withhold from any other cash amounts due to the Grantee an amount equal to such taxes required to be withheld or withhold and cancel (for the minimum required withholdings or such other amounts as will not result in adverse accounting treatment to the Company) (in whole or in part) a number of Shares having a market value not less than the amount of such taxes.

6.The Grantee Bound by The Plan

The Grantee hereby acknowledges receipt of a copy of the Plan and the prospectus for the Plan, and agrees to be bound by all the terms and provisions thereof.

7.Restrictive Covenants

7.1    In consideration for the grant of the RSUs, continued employment with the Company, and other good and valuable consideration, the Grantee agrees to the following:

(i)    During the Grantee’s employment with the Company or any Subsidiary and for a one (1) year period after the Date of Termination, the Grantee will not directly or indirectly, individually, or on behalf of any Person other than the Company or a Subsidiary:

(a)    solicit any Customers for the purpose of providing services identical to or reasonably substitutable for the Company’s Business;

(b)    solicit or induce, or in any manner attempt to solicit or induce, any Person employed by the Company or any Subsidiary to leave such employment, whether or not

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such employment is pursuant to a written contract with the Company or any Subsidiary or is at will; or

(c)    knowingly or intentionally damage or destroy the goodwill and esteem of the Company, any Subsidiary, the Company’s Business or the Company’s or any Subsidiary’s suppliers, employees, patrons, customers , and others who may at any time have or have had relations with the Company or any Subsidiary.

(ii)    During the Grantee’s employment with the Company or any Subsidiary and at all times thereafter, the Grantee will not disclose or use Confidential Information, except as necessary to carry out Grantee’s duties as an employee of the Company or any Subsidiary.

(iii)    Upon termination or expiration of the Grantee’s employment with the Company for any reason whatsoever or at any time, the Grantee will upon request by the Company deliver promptly to the Company all materials (including electronically-stored materials), documents, plans, records, notes, or other papers, and any copies in the Grantee’s possession or control, relating in any way to the Company’s Business, which at all times shall be the property of the Company.

7.2    For purposes of this Agreement, the following terms shall have the meanings specified below:

(i)    “Company’s Business” means the business of operating a commercial or retail bank, savings association, mutual thrift, credit union, trust company, securities brokerage or insurance agency, or equipment financing business.

(ii)    “Confidential Information” means information, without regard to form, relating to the Company’s or any Subsidiary’s customers, operation, finances, and business that has value to the Company or any Subsidiary, is not generally known to competitors of the Company or a Subsidiary and that the Grantee became aware of due to Grantee’s employment with the Company. Confidential Information includes, but is not limited to, technical or non-technical data (including personnel data), formulas, patterns, compilations (including compilations of customer information), programs, devices, methods, techniques, processes, financial data or lists of actual or potential customers (including identifying information about customers), whether or not in writing. Confidential Information includes information disclosed to the Company or any Subsidiary by third parties that the Company or any Subsidiary is obligated to maintain as confidential. Confidential Information subject to this Agreement may include information that is not a trade secret under applicable law, but information not constituting a trade secret only shall be treated as Confidential Information under this Agreement for a five (5) year period after the Date of Termination.

(iii)    “Customers” means all Persons that (1) the Grantee serviced or solicited on behalf of the Company or any Subsidiary during the 24 months prior to the Date of Termination, (2) whose dealings with the Company or any Subsidiary were coordinated

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or supervised, in whole or in part, by the Grantee during the 24 months prior to the Date of Termination, or (3) about whom the Grantee obtained Confidential Information during the 24 months prior to the Date of Termination, as a result of the Grantee’s association with the Company.

(iv)    “Date of Termination” means the date upon which the Grantee’s employment with the Company or any Subsidiary ceases for any reason.

(v)    “Person” means any individual, corporation, bank, partnership, joint venture, association, joint-stock company, trust, unincorporated organization or other entity.

7.3    If the Grantee violates the restrictive covenants set forth in Section 7.1, then the Company shall be entitled to all remedies available in law or equity. In addition (and without limiting the foregoing), if the Grantee violates the restrictive covenants set forth in Section 7.1, the Committee shall, notwithstanding any other provision in this Agreement to the contrary, (i) cancel the outstanding RSUs that are not yet vested or with respect to which Shares have not yet been issued to the Grantee, and (ii) require the Grantee to return to the Company any Shares issued to the Grantee pursuant to vesting of the RSUs (or to pay to the Company the then current value of any such Shares) that occurred (or will occur) during the period six (6) months prior to and one (1) year after the Date of Termination.

7.4    The Grantee acknowledges and agrees that the provisions of Section 7.1 are reasonable as to time, scope and territory given the Company’s need to protect its and its Subsidiaries’ Confidential Information and its and their relationships and goodwill with its and their customers, suppliers, employees and contractors, all of which have been developed at great time and expense to the Company. The Grantee represents that the Grantee has the skills and abilities to obtain alternative employment after the Date of Termination that would not violate the covenants in Section 7.1 and that these covenants do not pose an undue hardship on the Grantee. The Grantee further acknowledges that the Grantee’s breach of any of the covenants in Section 7.1 would likely cause irreparable injury to the Company, and therefore entitle the Company to injunctive relief, in addition to any other remedies available in law or equity.

7.5    The Defend Trade Secrets Act (18 U.S.C. § 1833(b)) states: “An individual shall not be held criminally or civilly liable under any federal or state trade secret law for the disclosure of a trade secret that (A) is made (i) in confidence to a federal, state, or local government official, either directly or indirectly, or to an attorney; and (ii) solely for the purpose of reporting or investigating a suspected violation of law; or (B) is made in a complaint or other document filed in a lawsuit or other proceeding, if such filing is made under seal.” Accordingly, Grantee shall have the right to disclose in confidence trade secrets to federal, state, and local government officials, or to an attorney, for the sole purpose of reporting or investigating a suspected violation of law. Grantee shall also have the right to disclose trade secrets in a document filed in a lawsuit or other proceeding, but only if the filing is made under seal and protected from public disclosure. Nothing in this Agreement is intended to conflict with 18

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U.S.C. § 1833(b) or create liability for disclosures of trade secrets that are expressly allowed by 18 U.S.C. § 1833(b).

8.    Modification of Agreement; Severability

                If any provision of this Agreement is held by a court of competent jurisdiction to be overly broad or unenforceable for any reason, the parties authorize such court to modify and enforce such provision to the extent the court deems reasonable. If any provision of this Agreement is found by a court to be overbroad or otherwise unenforceable and not capable of modification, it shall be severed and the remaining covenants and clauses enforced in accordance with the tenor of this Agreement. The parties may modify, amend, suspend or terminate this Agreement or may waive any terms or conditions of this Agreement but only by a written instrument executed by the parties hereto.

9.    Governing Law and Forum

The validity, interpretation, construction, and performance of this Agreement shall be governed by the laws of the state of Georgia without giving effect to the conflicts of laws principles thereof. The parties agree that they will not file any action arising out of or relating in any way to this Agreement other than in the United States District Court for the Northern District of Georgia or the Superior Court of Union County, Georgia. The parties consent to personal jurisdiction and venue solely within these forums and waive all possible objections thereto.

10.    Successors in Interest

This Agreement shall inure to the benefit of, and be binding upon, the Company and its successors and assigns, whether by merger, consolidation, reorganization, sale of assets, or otherwise. This Agreement shall inure to the benefit of the Grantee’s legal representatives. All obligations imposed upon the Grantee and all rights granted to the Company under this Agreement shall be final, binding, and conclusive upon the Grantee’s heirs, executors, administrators, and successors.

11.    Entire Agreement

This Agreement and the Plan contain the entire agreement and understanding of the parties hereto with respect to the subject matter contained herein and supersede all prior communications, representations and negotiations in respect thereto. Wherever appropriate in this Agreement, personal pronouns shall be deemed to include the other genders and the singular to include the plural. Wherever used in this Agreement, the term “including” means “including, without limitation.”

12.    Resolution of Disputes

    Any dispute or disagreement which may arise under, or as a result of, or in any way relate to, the interpretation, construction or application of this Agreement and the Plan shall

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be determined by the Committee. Any determination made by the Committee shall be final, binding and conclusive on the Grantee and the Company and their successors, assigns, heirs, executors, administrators and legal representatives for all purposes.

[EXECUTION PAGE FOLLOWS]

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IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above written.

UNITED COMMUNITY BANKS, INC.

By:    

                        Name:    

                        Title:    

By accepting this Agreement, the Grantee hereby accepts the RSU grant subject to all its terms and provisions and agrees to be bound by the terms and provisions of this Agreement, including Section 7, and the Plan. The Grantee hereby agrees to accept as binding, conclusive and final all decisions or interpretations of the Board of Directors of the Company, or the Talent and Compensation Committee or other Committee responsible for the administration of the Plan, upon any questions arising under the Plan.

     By accepting this Agreement, the Grantee hereby acknowledges that notwithstanding any other provision herein, and in addition to other restrictions stated herein, any award, or any payment related thereto paid to the Grantee, shall be limited to the extent required by the federal or state regulatory agency having authority over the Company. The Grantee agrees that compliance by the Company with such regulatory restrictions, even to the extent that payments are limited, shall not be a breach of this Agreement by the Company.

    By accepting this Agreement, the Grantee hereby consents to the holding and processing of personal data provided by the Grantee to the Company for all purposes necessary for the operation of the Plan. These include, but are not limited to:

    (a)    administering and maintaining Plan records;

    (b)    providing information to any registrars, brokers or third party administrators of the Plan; and

    (c)    providing information to future purchasers of the Company or the business in which the Grantee works.

GRANTEE

Signature:                ________    

                    Name:    

                    Date:    

~#4827-0305-3933 v.1~~

EX-10.26

Exhibit 10.26

UNITED COMMUNITY BANKS, INC.

AMENDED AND RESTATED

2000 KEY EMPLOYEE STOCK OPTION PLAN

RESTRICTED STOCK UNIT AWARD AGREEMENT

(Key Employee)

Grantee:
Number of RSUs:	RSUs
Date of Grant:
Vesting Schedule:
	See schedule attached hereto as Schedule A, if applicable

Vesting Date Vest Quantity

THIS AGREEMENT (the “Agreement”) is entered into as of the _____day of ______, _________, by and between UNITED COMMUNITY BANKS, INC., a Georgia corporation (the “Company”), and the individual designated above (the “Grantee”).

WHEREAS, the Company maintains the United Community Banks, Inc. Amended and Restated 2000 Key Employee Stock Option Plan (the “Plan”), and the Grantee has been selected by the Committee to receive a Restricted Stock Unit Award, vesting upon either the specified passage of time as specified above or fulfillment of the performance criteria as set forth in Schedule A attached hereto, under the Plan;

WHEREAS, the performance objectives, if any, shall be established as reasonable and achievable goals consistent with the safe and sound operation of the Company;

NOW, THEREFORE, IT IS AGREED, by and between the Company and the Grantee, as follows:

1.Award of Restricted Stock Units

1.1    Grant. The Company hereby grants to the Grantee an award of Restricted Stock Units (“RSUs”) in the amount set forth above, subject to, and in accordance with, the restrictions, terms, and conditions set forth in this Agreement and the Plan. The grant date of this award of RSUs is set forth above (the “Date of Grant”).

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1.2    Construction. This Agreement (including Schedule A attached hereto, if applicable) shall be construed in accordance and consistent with, and subject to, the provisions of the Plan (the provisions of which are incorporated herein by reference) and, except as otherwise expressly set forth herein, the capitalized terms used in this Agreement shall have the same definitions as set forth in the Plan.

1.3    Execution of the Agreement. This Award is conditioned on the Grantee’s execution of this Agreement. By executing this Agreement, the Grantee agrees to the terms set forth in this Agreement (and the provisions of the Plan incorporated herein). If this Agreement is not executed by the Grantee and returned to the Company within seven (7) days of the Date of Grant, it may be canceled by the Committee resulting in the immediate forfeiture of all RSUs granted hereunder.

2.Vesting and Termination of Employment

2.1    Vesting. Subject to this Section 2 and Section 7, if the Grantee remains employed by the Company, the RSUs shall vest in accordance with the vesting schedule set forth above, if the RSUs vest upon the passage of time, or the schedule attached hereto as Schedule A, if applicable, because the RSUs vest upon the fulfillment of performance criteria set forth herein. Each date on which the RSUs vest, either by the specified passage of time or fulfillment of the performance criteria in accordance with Schedule A, if applicable, is hereinafter referred to as a “Vesting Date”. Notwithstanding the foregoing, no Vesting Date can be any earlier than the day immediately after the day which is twelve (12) months and thirty (30) days following the Date of Grant (the period from the Date of Grant until the day which is twelve (12) months and thirty (30) days following the Date of Grant being hereinafter referred to as the “Initial Restriction Period”). Except as otherwise provided herein, on the Vesting Date, a number of Shares equal to the number of vested RSUs shall be issued to the Grantee free and clear of all restrictions imposed by this Agreement (except those imposed by Sections 3.3 and 7 below). As soon as practicable (and no later than thirty (30) days) after the Vesting Date, the Company shall transfer such Shares to an unrestricted account in the name of the Grantee (or, if the Grantee has died, to his or her surviving spouse or, if none, to the Grantee’s estate). For purposes of this Agreement, employment with a Subsidiary of the Company or service as a member of the Board of Directors of the Company or a Subsidiary shall be considered employment with the Company.

2.2    Termination of Employment Due to Death or Disability. If the Grantee’s employment is terminated by the Company as a result of death or Disability (as defined in the Plan), any unvested portion of the grant that would have vested, either by the specified passage of time or the fulfillment of the performance criteria in accordance with Schedule A, if applicable, with respect to the year in which the termination occurred had the Grantee remained employed and any earlier year, and any unvested portion of the grant that would have vested in the subsequent year following termination had the Grantee remained employed, shall remain outstanding and all remaining unvested RSUs shall be immediately forfeited. A number of Shares equal to the number of unvested RSUs described in the preceding sentence shall become vested and shall be transferred to the Grantee (or the Grantee’s surviving spouse or estate) in the manner provided in Section 2.1 upon attainment of the original Vesting Date(s) (just as if the Grantee had remained employed) and/or the applicable performance criteria set forth on Schedule A, if applicable.

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2.3    Termination of Employment by the Company for Cause. If the Grantee’s employment is terminated by the Company for Cause (as defined in the Plan), the unvested RSUs shall be forfeited immediately as of the Date of Termination.

2.4    Termination of Employment by the Company Without Cause or by the Grantee For Good Reason after the Initial Restriction Period.

2.4.1    If the Grantee’s employment with the Company is terminated after the expiration of the Initial Restriction Period either (i) by the Company without Cause (as defined in the Plan) or (ii) by the Grantee for Good Reason (as defined in Section 2.4.2 below), the unvested RSUs shall continue to vest in accordance with the original vesting schedule (just as if the Grantee had remained employed). In the event of the Grantee’s death after a termination covered by this Section 2.4, the unvested RSUs shall continue to vest as if the Grantee had lived and upon vesting, a number of Shares equal to the number of vested RSUs shall be transferred to the Grantee’s surviving spouse or, if none, to his estate.

2.4.2    For purposes of this Agreement, “Good Reason” for termination by the Grantee of the Grantee’s employment shall mean the occurrence (without the Grantee’s express written consent) of:

        (i)    a material reduction in the Grantee’s responsibilities at the Company;

        (ii)    the required relocation of the Grantee’s employment to a location outside of the market area of the Company;

        (iii)    a material reduction in the levels of coverage of the Grantee under the Company’s director and officer liability insurance policy or indemnification commitments; or

        (iv)    a substantial reduction in the Grantee’s base salary, a material reduction in his or her incentive compensation or the taking of any action by the Company which would, directly or indirectly, materially reduce any of the benefits provided to the Grantee under any of the Company’s pension, 401(k), deferred compensation, life insurance, medical, accident or disability plans in which the Grantee is participating.

2.4.3    The Grantee must give the Company notice of any event or condition that would constitute “Good Reason” within ninety (90) days of its initial existence and upon receipt of such notice, the Company shall have thirty (30) days to remedy the event or condition. If the event or condition is not remedied within such thirty (30) day period, any termination of employment by the Grantee for “Good Reason” must occur within six (6) months of the Grantee learning of the initial existence of the condition or event.

            2.4.4    The Grantee’s right to terminate employment for Good Reason shall not be affected by the Grantee’s incapacity due to physical or mental illness, except for a

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Disability. The Grantee’s continued employment shall not constitute consent to, or a waiver of rights with respect to, any act or failure to act constituting Good Reason hereunder.

2.5    Termination During the Initial Restriction Period. If the Grantee’s employment is terminated by the Company without Cause prior to the expiration of the Initial Restriction Period by the Company, any unvested RSUs shall be forfeited immediately as of the Date of Termination.

2.6    Termination of Employment by the Grantee for Other Reasons. If the Grantee retires or voluntarily terminates his or her employment for any reason other than for Good Reason (as defined above) after the expiration of the Initial Restriction Period, the outstanding unvested RSUs shall immediately be forfeited as of the Date of Termination.

2.7    Nontransferability. The RSUs may not be sold, assigned, transferred, pledged, or otherwise encumbered prior to the date the Grantee becomes vested in the RSUs and the Shares are issued.

2.8    Section 409A Compliance. To the extent applicable, this Agreement shall at all times be interpreted and operated in compliance with the requirements of Section 409A of the Internal Revenue Code of 1986, as amended and the standards, regulations or other guidance promulgated thereunder (“Section 409A”). Any action that may be taken (and, to the extent possible, any action actually taken) by the Company shall not be taken (or shall be void and without effect), if such action violates the requirements of Section 409A. Any provision in this Agreement that is determined to violate the requirements of Section 409A shall be void and without effect. In addition, any provision that is required to appear in this Agreement in accordance with Section 409A that is not expressly set forth herein shall be deemed to be set forth herein, and the Agreement shall be administered in all respects as if such provision were expressly set forth. The Company shall delay the commencement of any delivery of Shares that are payable to the Grantee upon his separation from service if the Grantee is a “key employee” of the Company (as determined by the Company in accordance with procedures established by the Company that are consistent with Section 409A) to the date which is immediately following the earlier of (i) six (6) months after the date of the Grantee’s separation from service or (ii) the Grantee’s death, to the extent such delay is required under the provisions of Section 409A to avoid imposition of additional income and other taxes, provided that the Company and the Grantee agree to take into account any exemptions available under Section 409A. For purposes of this Agreement, termination of employment shall be construed consistent with the meaning of a separation from service within the meaning of Section 409A.

3.Change in Capitalization; Deferral Rights

3.1    Following the Grant Date of the RSUs through the date that is the earlier of (i) the date that the RSUs are vested and transferred to the Grantee pursuant to Section 2.1 or (ii) the date that the RSUs are forfeited, the Grantee shall be credited with dividend equivalents or other distributions declared on the Shares represented by the RSUs in the manner determined by the Committee. Within thirty (30) days after a Vesting Date, Grantee shall be paid in cash the dividend equivalents or other

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distributions with respect to the vested RSUs to which the dividend equivalents or other distributions relate, less applicable withholdings.

3.2    In the event of a change in capitalization, the Committee shall make appropriate adjustments in accordance with Section 4.3 of the Plan to reflect the change in capitalization, provided that any such additional Shares or additional or different shares or securities reflected in any such adjustment shall remain subject to the restrictions in this Agreement.

3.3    The Grantee represents and warrants that the Grantee is acquiring the Shares under this Agreement for investment purposes only, and not with a view to distribution thereof. The Grantee is aware that the Shares may not be registered under the federal or any state securities laws and that for that reason, in addition to the other restrictions on the Shares, they will not be able to be transferred unless an exemption from registration is available or the Shares are registered. By making this award of RSUs, the Company is not undertaking any obligation to register the RSUs under any federal or state securities laws.

3.4    To the extent the Grantee is eligible to participate in a deferred compensation plan established for such purpose, the Grantee may elect to defer delivery of the Shares that would otherwise be due by virtue of the lapse or waiver of the vesting requirements as set forth in Section 2. If such deferral election is made, the Committee shall, in its sole discretion, establish the rules and procedures for such deferrals which shall be in compliance with Section 409A.

4.No Right to Continued Employment

Nothing in this Agreement or the Plan shall be interpreted or construed to confer upon the Grantee any right with respect to continuance of employment by the Company, nor shall this Agreement or the Plan interfere in any way with the right of the Company to terminate the Grantee’s employment at any time. The Grantee is employed by the Company “at will,” which means that either the Grantee or the Company may terminate the Grantee’s employment at any time, for any reason.

5.Taxes and Withholding

The Grantee shall be responsible for all federal, state, and local income taxes payable with respect to this award of RSUs and any dividends or dividend equivalents paid on such RSUs. The Company and the Grantee agree to report the value of the RSUs in a consistent manner for federal income tax purposes. The Company shall have the right to retain and withhold from any payment of Shares (for the minimum required withholdings or such other amounts as will not result in adverse accounting treatment to the Company) or cash the amount of taxes required by any government to be withheld or otherwise deducted and paid with respect to such payment. At its discretion, the Company may require the Grantee to reimburse the Company for any such taxes required to be withheld and may withhold any distribution in whole or in part until the Company is so reimbursed. In lieu thereof, the Company shall have the right to withhold from any other cash amounts due to the Grantee an amount equal to such taxes required to be withheld or withhold and cancel (for the minimum required withholdings or such

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other amounts as will not result in adverse accounting treatment to the Company) (in whole or in part) a number of Shares having a market value not less than the amount of such taxes.

6.The Grantee Bound By The Plan

The Grantee hereby acknowledges receipt of a copy of the Plan and the prospectus for the Plan, and agrees to be bound by all the terms and provisions thereof.

7.Restrictive Covenants

7.1    In consideration for the grant of the RSUs, continued employment with the Company, and other good and valuable consideration, the Grantee agrees to the following:

(i)    During the Grantee’s employment with the Company or any Subsidiary and for a one (1) year period after the Date of Termination, the Grantee will not directly or indirectly, individually, or on behalf of any Person other than the Company or a Subsidiary:

(a)    solicit any Customers for the purpose of providing services identical to or reasonably substitutable for the Company’s Business;

(b)    solicit or induce, or in any manner attempt to solicit or induce, any Person employed by the Company or any Subsidiary to leave such employment, whether or not such employment is pursuant to a written contract with the Company or any Subsidiary or is at will; or

    (c)    knowingly or intentionally damage or destroy the goodwill and esteem of the Company, any Subsidiary, the Company’s Business or the Company’s or any Subsidiary’s suppliers, employees, patrons, customers, and others who may at any time have or have had relations with the Company or any Subsidiary.

(ii)    During the Grantee’s employment with the Company or any Subsidiary and at all times thereafter, the Grantee will not disclose or use Confidential Information, except as necessary to carry out Grantee’s duties as an employee of the Company or any Subsidiary.

(iii)    Upon termination or expiration of the Grantee’s employment with the Company for any reason whatsoever or at any time, the Grantee will upon request by the Company deliver promptly to the Company all materials (including electronically-stored materials), documents, plans, records, notes, or other papers, and any copies in the Grantee’s possession or control, relating in any way to the Company’s Business, which at all times shall be the property of the Company.

7.2    For purposes of this Agreement, the following terms shall have the meanings specified below:

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(i)    “Company’s Business” means the business of operating a commercial or retail bank, savings association, mutual thrift, credit union, trust company, securities brokerage or insurance agency, or equipment financing business.

(ii)    “Confidential Information” means information, without regard to form, relating to the Company’s or any Subsidiary’s customers, operation, finances, and business that has value to the Company or any Subsidiary, is not generally known to competitors of the Company or a Subsidiary and that the Grantee became aware of due to Grantee’s employment with the Company. Confidential Information includes, but is not limited to, technical or non-technical data (including personnel data), formulas, patterns, compilations (including compilations of customer information), programs, devices, methods, techniques, processes, financial data or lists of actual or potential customers (including identifying information about customers), whether or not in writing. Confidential Information includes information disclosed to the Company or any Subsidiary by third parties that the Company or any Subsidiary is obligated to maintain as confidential. Confidential Information subject to this Agreement may include information that is not a trade secret under applicable law, but information not constituting a trade secret only shall be treated as Confidential Information under this Agreement for a five (5) year period after the Date of Termination.

(iii)    “Customers” means all Persons that (1) the Grantee serviced or solicited on behalf of the Company or any Subsidiary during the twenty-four (24) months prior to the Date of Termination, (2) whose dealings with the Company or any Subsidiary were coordinated or supervised, in whole or in part, by the Grantee during the twenty-four (24) months prior to the Date of Termination, or (3) about whom the Grantee obtained Confidential Information during the twenty-four (24) months prior to the Date of Termination, as a result of the Grantee’s association with the Company.

(iv)    “Date of Termination” means the date upon which the Grantee’s employment with the Company or any Subsidiary ceases for any reason.

(v)    “Person” means any individual, corporation, bank, partnership, joint venture, association, joint-stock company, trust, unincorporated organization or other entity.

7.3    If the Grantee violates the restrictive covenants set forth in Section 7.1, then the Company shall be entitled to all remedies available in law or equity. In addition (and without limiting the foregoing), if the Grantee violates the restrictive covenants set forth in Section 7.1, the Committee shall, notwithstanding any other provision in this Agreement to the contrary, (i) cancel the outstanding RSUs that are not yet vested or with respect to which Shares have not yet been issued to the Grantee, and (ii) require the Grantee to return to the Company any Shares issued to the Grantee pursuant to vesting of the RSUs (or to pay to the Company the greater of the then current value of any such Shares or the value of the shares as of the applicable Vesting Date) that occurred (or will occur) during the period six (6) months prior to and one (1) year after the Date of Termination.

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7.4    The Grantee acknowledges and agrees that the provisions of Section 7.1 are reasonable as to time, scope and territory given the Company’s need to protect its and its Subsidiaries’ Confidential Information and its and their relationships and goodwill with its and their customers, suppliers, employees and contractors, all of which have been developed at great time and expense to the Company. The Grantee represents that the Grantee has the skills and abilities to obtain alternative employment after the Date of Termination that would not violate the covenants in Section 7.1 and that these covenants do not pose an undue hardship on the Grantee. The Grantee further acknowledges that the Grantee’s breach of any of the covenants in Section 7.1 would likely cause irreparable injury to the Company, and therefore entitles the Company to injunctive relief, in addition to any other remedies available in law or equity.

7.5    The Defend Trade Secrets Act (18 U.S.C. § 1833(b)) states: “An individual shall not be held criminally or civilly liable under any federal or state trade secret law for the disclosure of a trade secret that (A) is made (i) in confidence to a federal, state, or local government official, either directly or indirectly, or to an attorney; and (ii) solely for the purpose of reporting or investigating a suspected violation of law; or (B) is made in a complaint or other document filed in a lawsuit or other proceeding, if such filing is made under seal.” Accordingly, Grantee shall have the right to disclose in confidence trade secrets to federal, state, and local government officials, or to an attorney, for the sole purpose of reporting or investigating a suspected violation of law. Grantee shall also have the right to disclose trade secrets in a document filed in a lawsuit or other proceeding, but only if the filing is made under seal and protected from public disclosure. Nothing in this Agreement is intended to conflict with 18 U.S.C. § 1833(b) or create liability for disclosures of trade secrets that are expressly allowed by 18 U.S.C. § 1833(b).

8.    Modification of Agreement; Severability

                If any provision of this Agreement is held by a court of competent jurisdiction to be overly broad or unenforceable for any reason, the parties authorize such court to modify and enforce such provision to the extent the court deems reasonable. If any provision of this Agreement is found by a court to be overbroad or otherwise unenforceable and not capable of modification, it shall be severed and the remaining covenants and clauses enforced in accordance with the tenor of this Agreement. The parties may modify, amend, suspend or terminate this Agreement or may waive any terms or conditions of this Agreement but only by a written instrument executed by the parties hereto.

9.    Governing Law and Forum

The validity, interpretation, construction, and performance of this Agreement shall be governed by the laws of the state of Georgia without giving effect to the conflicts of laws principles thereof. The parties agree that they will not file any action arising out of or relating in any way to this Agreement other than in the United States District Court for the Northern District of Georgia or the Superior Court of Union County, Georgia. The parties consent to personal jurisdiction and venue solely within these forums and waive all possible objections thereto.

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10.    Successors in Interest

This Agreement shall inure to the benefit of, and be binding upon, the Company and its successors and assigns, whether by merger, consolidation, reorganization, sale of assets, or otherwise. This Agreement shall inure to the benefit of the Grantee’s legal representatives. All obligations imposed upon the Grantee and all rights granted to the Company under this Agreement shall be final, binding, and conclusive upon the Grantee’s heirs, executors, administrators, and successors.

11.    Entire Agreement

This Agreement and the Plan contain the entire agreement and understanding of the parties hereto with respect to the subject matter contained herein and supersede all prior communications, representations and negotiations in respect thereto. Wherever appropriate in this Agreement, personal pronouns shall be deemed to include the other genders and the singular to include the plural. Wherever used in this Agreement, the term “including” means “including, without limitation.”

12.    Resolution of Disputes

    Any dispute or disagreement which may arise under, or as a result of, or in any way relate to, the interpretation, construction or application of this Agreement and the Plan shall be determined by the Committee. Any determination made by the Committee shall be final, binding and conclusive on the Grantee and the Company and their successors, assigns, heirs, executors, administrators and legal representatives for all purposes.

[EXECUTION PAGE FOLLOWS]

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IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above written.

    UNITED COMMUNITY BANKS, INC.

By:    

                        Name:    

                        Title:    

By accepting this Agreement, the Grantee hereby accepts the RSU grant subject to all its terms and provisions and agrees to be bound by the terms and provisions of this Agreement, including Section 7, the Plan and Schedule A attached hereto, if applicable. The Grantee hereby agrees to accept as binding, conclusive and final all decisions or interpretations of the Board of Directors of the Company, or the Talent and Compensation Committee or other Committee responsible for the administration of the Plan, upon any questions arising under the Plan.

     By accepting this Agreement, the Grantee hereby acknowledges that notwithstanding any other provision herein, and in addition to other restrictions stated herein, any award, or any payment related thereto paid to the Grantee, shall be limited to the extent required by the federal or state regulatory agency having authority over the Company. The Grantee agrees that compliance by the Company with such regulatory restrictions, even to the extent that payments are limited, shall not be a breach of this Agreement by the Company.

    By accepting this Agreement, the Grantee hereby consents to the holding and processing of personal data provided by the Grantee to the Company for all purposes necessary for the operation of the Plan. These include, but are not limited to:

    (a)    administering and maintaining Plan records;

    (b)    providing information to any registrars, brokers or third party administrators of the Plan; and

    (c)    providing information to future purchasers of the Company or the business in which the Grantee works.

GRANTEE

Signature:                ________    

                    Name:    

                    Date:    

~#4834-7409-8271 v.1~

EX-10.27

Exhibit 10.27

UNITED COMMUNITY BANKS, INC.

AMENDED AND RESTATED

2000 KEY EMPLOYEE STOCK OPTION PLAN

RESTRICTED STOCK UNIT AWARD AGREEMENT

(Key Employee)

Grantee:
Number of RSUs Granted:	RSUs subject to Performance-Based Vesting, subject to increase in accordance with this Agreement
Date of Grant:
Vesting Schedule for Performance-Based RSUs:	See Schedule A

THIS AGREEMENT (the “Agreement”) is entered into as of the _____day of ______, _________, by and between UNITED COMMUNITY BANKS, INC., a Georgia corporation (the “Company”), and the individual designated above (the “Grantee”).

WHEREAS, the Company maintains the United Community Banks, Inc. Amended and Restated 2000 Key Employee Stock Option Plan (the “Plan”), and the Grantee has been selected by the Committee to receive a Restricted Stock Unit Award, vesting upon either the specified passage of time as specified above or fulfillment of the performance criteria as set forth in Schedule A attached hereto, under the Plan;

WHEREAS, the performance objectives, if any, shall be established as reasonable and achievable goals consistent with the safe and sound operation of the Company;

NOW, THEREFORE, IT IS AGREED, by and between the Company and the Grantee, as follows:

1.Award of Restricted Stock Units

1.1    Grant. The Company hereby grants to the Grantee an award of Restricted Stock Units (“RSUs”) in the amount set forth above, subject to, and in accordance with, the restrictions, terms, and conditions set forth in this Agreement and the Plan. The grant date of this award of RSUs is set forth above (the “Date of Grant”).

1.2    Construction. This Agreement (including Schedule A attached hereto, if applicable) shall be construed in accordance and consistent with, and subject to, the provisions of the

Plan (the provisions of which are incorporated herein by reference) and, except as otherwise expressly set forth herein, the capitalized terms used in this Agreement shall have the same definitions as set forth in the Plan.

1.3    Execution of the Agreement. This Award is conditioned on the Grantee’s execution of this Agreement. By executing this Agreement, the Grantee agrees to the terms set forth in this Agreement (and the provisions of the Plan incorporated herein). If this Agreement is not executed by the Grantee and returned to the Company within seven (7) days of the Date of Grant, it may be canceled by the Committee resulting in the immediate forfeiture of all RSUs granted hereunder.

2.Vesting and Termination of Employment

2.1    Vesting. Subject to this Section 2 and Section 7, if the Grantee remains employed by the Company, the RSUs shall vest in accordance with the vesting schedule set forth above, if the RSUs vest upon the passage of time, or the schedule attached hereto as Schedule A, if applicable, if the RSUs vest upon the fulfillment of performance criteria set forth herein. Each date on which the RSUs vest, either by the specified passage of time or fulfillment of the performance criteria in accordance with Schedule A, if applicable, is hereinafter referred to as a “Vesting Date”. Notwithstanding the foregoing, no Vesting Date can be any earlier than the day immediately after the day which is twelve (12) months and thirty (30) days following the Date of Grant (the period from the Date of Grant until the day which is twelve (12) months and thirty (30) days following the Date of Grant being hereinafter referred to as the “Initial Restriction Period”). Except as otherwise provided herein, on the Vesting Date, a number of Shares equal to the number of vested RSUs shall be issued to the Grantee free and clear of all restrictions imposed by this Agreement (except those imposed by Sections 3.3 and 7 below). As soon as practicable (and no later than thirty (30) days) after the Vesting Date, the Company shall transfer such Shares to an unrestricted account in the name of the Grantee (or, if the Grantee has died, to his or her surviving spouse or, if none, to the Grantee’s estate). For purposes of this Agreement, employment with a Subsidiary of the Company or service as a member of the Board of Directors of the Company or a Subsidiary shall be considered employment with the Company.

2.2    Termination of Employment Due to Death or Disability. If the Grantee’s employment is terminated by the Company as a result of death or Disability (as defined in the Plan), any unvested portion of the grant that would have vested, either by the specified passage of time or the fulfillment of the performance criteria in accordance with Schedule A, if applicable, with respect to the year in which the termination occurred had the Grantee remained employed and any earlier year, and any unvested portion of the grant that would have vested in the subsequent year following termination had the Grantee remained employed, shall remain outstanding and all remaining unvested RSUs shall be immediately forfeited. A number of Shares equal to the number of unvested RSUs described in the preceding sentence shall become vested and shall be transferred to the Grantee (or the Grantee’s surviving spouse or estate) in the manner provided in Section 2.1 upon attainment of the original Vesting Date(s) (just as if the Grantee had remained employed) and/or the applicable performance criteria set forth on Schedule A, if applicable.

2.3    Termination of Employment by the Company for Cause. If the Grantee’s employment is terminated by the Company for Cause (as defined in the Plan), the unvested RSUs shall be forfeited immediately as of the Date of Termination.

2.4    Termination of Employment by the Company Without Cause or by the Grantee For Good Reason after the Initial Restriction Period.

2.4.1    If the Grantee’s employment with the Company is terminated after the expiration of the Initial Restriction Period either (i) by the Company without Cause (as defined in the Plan) or (ii) by the Grantee for Good Reason (as defined in Section 2.4.2 below), the unvested RSUs shall become vested on a pro-rata basis, as set forth in Schedule A.

2.4.2    For purposes of this Agreement, “Good Reason” for termination by the Grantee of the Grantee’s employment shall mean the occurrence (without the Grantee’s express written consent) of:

        (i)    a material reduction in the Grantee’s responsibilities at the Company;

        (ii)    the required relocation of the Grantee’s employment to a location outside of the market area of the Company;

        (iii)    a material reduction in the levels of coverage of the Grantee under the Company’s director and officer liability insurance policy or indemnification commitments; or

        (iv)    a substantial reduction in the Grantee’s base salary, a material reduction in his or her incentive compensation or the taking of any action by the Company which would, directly or indirectly, materially reduce any of the benefits provided to the Grantee under any of the Company’s pension, 401(k), deferred compensation, life insurance, medical, accident or disability plans in which the Grantee is participating.

2.4.3    The Grantee must give the Company notice of any event or condition that would constitute “Good Reason” within ninety (90) days of its initial existence and upon receipt of such notice, the Company shall have thirty (30) days to remedy the event or condition. If the event or condition is not remedied within such thirty (30) day period, any termination of employment by the Grantee for “Good Reason” must occur within six (6) months of the Grantee learning of the initial existence of the condition or event.

            2.4.4    The Grantee’s right to terminate employment for Good Reason shall not be affected by the Grantee’s incapacity due to physical or mental illness, except for a Disability. The Grantee’s continued employment shall not constitute consent to, or a waiver of rights with respect to, any act or failure to act constituting Good Reason hereunder.

2.5    Termination During the Initial Restriction Period. If the Grantee’s employment is terminated by the Company without Cause prior to the expiration of the Initial Restriction Period by the Company, any unvested RSUs shall be forfeited immediately as of the Date of Termination.

2.6    Termination of Employment by the Grantee for Other Reasons. If the Grantee retires or voluntarily terminates his or her employment for any reason other than for Good Reason (as defined above) after the expiration of the Initial Restriction Period, the outstanding unvested RSUs shall immediately be forfeited as of the Date of Termination.

2.7    Nontransferability. The RSUs may not be sold, assigned, transferred, pledged, or otherwise encumbered prior to the date the Grantee becomes vested in the RSUs and the Shares are issued.

2.8    Section 409A Compliance. To the extent applicable, this Agreement shall at all times be interpreted and operated in compliance with the requirements of Section 409A of the Internal Revenue Code of 1986, as amended and the standards, regulations or other guidance promulgated thereunder (“Section 409A”). Any action that may be taken (and, to the extent possible, any action actually taken) by the Company shall not be taken (or shall be void and without effect), if such action violates the requirements of Section 409A. Any provision in this Agreement that is determined to violate the requirements of Section 409A shall be void and without effect. In addition, any provision that is required to appear in this Agreement in accordance with Section 409A that is not expressly set forth herein shall be deemed to be set forth herein, and the Agreement shall be administered in all respects as if such provision were expressly set forth. The Company shall delay the commencement of any delivery of Shares that are payable to the Grantee upon his separation from service if the Grantee is a “key employee” of the Company (as determined by the Company in accordance with procedures established by the Company that are consistent with Section 409A) to the date which is immediately following the earlier of (i) six (6) months after the date of the Grantee’s separation from service or (ii) the Grantee’s death, to the extent such delay is required under the provisions of Section 409A to avoid imposition of additional income and other taxes, provided that the Company and the Grantee agree to take into account any exemptions available under Section 409A. For purposes of this Agreement, termination of employment shall be construed consistent with the meaning of a separation from service within the meaning of Section 409A.

3.Change in Capitalization; Deferral Rights

3.1    Following the Grant Date of the RSUs through the date that is the earlier of (i) the date that the RSUs are vested and transferred to the Grantee pursuant to Section 2.1 or (ii) the date that the RSUs are forfeited, the Grantee shall be credited with dividend equivalents or other distributions declared on the Shares represented by the RSUs in the manner determined by the Committee. Within thirty (30) days after a Vesting Date, Grantee shall be paid in cash the dividend equivalents or other distributions with respect to the vested RSUs to which the dividend equivalents or other distributions relate, less applicable withholdings.

3.2    In the event of a change in capitalization, the Committee shall make appropriate adjustments in accordance with Section 4.3 of the Plan to reflect the change in capitalization, provided that any such additional Shares or additional or different shares or securities reflected in any such adjustment shall remain subject to the restrictions in this Agreement.

3.3    The Grantee represents and warrants that the Grantee is acquiring the Shares under this Agreement for investment purposes only, and not with a view to distribution thereof. The Grantee is aware that the Shares may not be registered under the federal or any state securities laws and that for that reason, in addition to the other restrictions on the Shares, they will not be able to be transferred unless an exemption from registration is available or the Shares are registered. By making this award of RSUs, the Company is not undertaking any obligation to register the RSUs under any federal or state securities laws.

3.4    To the extent the Grantee is eligible to participate in a deferred compensation plan established for such purpose, the Grantee may elect to defer delivery of the Shares that would otherwise be due by virtue of the lapse or waiver of the vesting requirements as set forth in Section 2. If such deferral election is made, the Committee shall, in its sole discretion, establish the rules and procedures for such deferrals which shall be in compliance with Section 409A.

4.No Right to Continued Employment

Nothing in this Agreement or the Plan shall be interpreted or construed to confer upon the Grantee any right with respect to continuance of employment by the Company, nor shall this Agreement or the Plan interfere in any way with the right of the Company to terminate the Grantee’s employment at any time. The Grantee is employed by the Company “at will,” which means that either the Grantee or the Company may terminate the Grantee’s employment at any time, for any reason.

5.Taxes and Withholding

The Grantee shall be responsible for all federal, state, and local income taxes payable with respect to this award of RSUs and any dividends or dividend equivalents paid on such RSUs. The Company and the Grantee agree to report the value of the RSUs in a consistent manner for federal income tax purposes. The Company shall have the right to retain and withhold from any payment of Shares (for the minimum required withholdings or such other amounts as will not result in adverse accounting treatment to the Company) or cash the amount of taxes required by any government to be withheld or otherwise deducted and paid with respect to such payment. At its discretion, the Company may require the Grantee to reimburse the Company for any such taxes required to be withheld and may withhold any distribution in whole or in part until the Company is so reimbursed. In lieu thereof, the Company shall have the right to withhold from any other cash amounts due to the Grantee an amount equal to such taxes required to be withheld or withhold and cancel (for the minimum required withholdings or such other amounts as will not result in adverse accounting treatment to the Company) (in whole or in part) a number of Shares having a market value not less than the amount of such taxes.

6.The Grantee Bound By The Plan

The Grantee hereby acknowledges receipt of a copy of the Plan and the prospectus for the Plan, and agrees to be bound by all the terms and provisions thereof.

7.Restrictive Covenants

7.1    In consideration for the grant of the RSUs, continued employment with the Company, and other good and valuable consideration, the Grantee agrees to the following:

(i)    During the Grantee’s employment with the Company or any Subsidiary and for a one (1) year period after the Date of Termination, the Grantee will not directly or indirectly, individually, or on behalf of any Person other than the Company or a Subsidiary:

(a)    solicit any Customers for the purpose of providing services identical to or reasonably substitutable for the Company’s Business;

(b)    solicit or induce, or in any manner attempt to solicit or induce, any Person employed by the Company or any Subsidiary to leave such employment, whether or not such employment is pursuant to a written contract with the Company or any Subsidiary or is at will; or

        (c)    knowingly or intentionally damage or destroy the goodwill and esteem of the Company, any Subsidiary, the Company’s Business or the Company’s or any Subsidiary’s suppliers, employees, patrons, customers, and others who may at any time have or have had relations with the Company or any Subsidiary.

(ii)    During the Grantee’s employment with the Company or any Subsidiary and at all times thereafter, the Grantee will not disclose or use Confidential Information, except as necessary to carry out Grantee’s duties as an employee of the Company or any Subsidiary.

(iii)    Upon termination or expiration of the Grantee’s employment with the Company for any reason whatsoever or at any time, the Grantee will upon request by the Company deliver promptly to the Company all materials (including electronically-stored materials), documents, plans, records, notes, or other papers, and any copies in the Grantee’s possession or control, relating in any way to the Company’s Business, which at all times shall be the property of the Company.

7.2    For purposes of this Agreement, the following terms shall have the meanings specified below:

(i)    “Company’s Business” means the business of operating a commercial or retail bank, savings association, mutual thrift, credit union, trust company, securities brokerage or insurance agency, or equipment financing business.

(ii)    “Confidential Information” means information, without regard to form, relating to the Company’s or any Subsidiary’s customers, operation, finances, and business that has value to the Company or any Subsidiary, is not generally known to competitors of the Company or a Subsidiary and that the Grantee became aware of due to Grantee’s employment with the Company. Confidential Information includes, but is not

limited to, technical or non-technical data (including personnel data), formulas, patterns, compilations (including compilations of customer information), programs, devices, methods, techniques, processes, financial data or lists of actual or potential customers (including identifying information about customers), whether or not in writing. Confidential Information includes information disclosed to the Company or any Subsidiary by third parties that the Company or any Subsidiary is obligated to maintain as confidential. Confidential Information subject to this Agreement may include information that is not a trade secret under applicable law, but information not constituting a trade secret only shall be treated as Confidential Information under this Agreement for a five (5) year period after the Date of Termination.

(iii)    “Customers” means all Persons that (1) the Grantee serviced or solicited on behalf of the Company or any Subsidiary during the twenty-four (24) months prior to the Date of Termination, (2) whose dealings with the Company or any Subsidiary were coordinated or supervised, in whole or in part, by the Grantee during the twenty-four (24) months prior to the Date of Termination, or (3) about whom the Grantee obtained Confidential Information during the twenty-four (24) months prior to the Date of Termination, as a result of the Grantee’s association with the Company.

(iv)    “Date of Termination” means the date upon which the Grantee’s employment with the Company or any Subsidiary ceases for any reason.

(v)    “Person” means any individual, corporation, bank, partnership, joint venture, association, joint-stock company, trust, unincorporated organization or other entity.

7.3    If the Grantee violates the restrictive covenants set forth in Section 7.1, then the Company shall be entitled to all remedies available in law or equity. In addition (and without limiting the foregoing), if the Grantee violates the restrictive covenants set forth in Section 7.1, the Committee shall, notwithstanding any other provision in this Agreement to the contrary, (i) cancel the outstanding RSUs that are not yet vested or with respect to which Shares have not yet been issued to the Grantee, and (ii) require the Grantee to return to the Company any Shares issued to the Grantee pursuant to vesting of the RSUs (or to pay to the Company the greater of the then current value of any such Shares or the value of the shares as of the applicable Vesting Date) that occurred (or will occur) during the period six (6) months prior to and one (1) year after the Date of Termination.

7.4    The Grantee acknowledges and agrees that the provisions of Section 7.1 are reasonable as to time, scope and territory given the Company’s need to protect its and its Subsidiaries’ Confidential Information and its and their relationships and goodwill with its and their customers, suppliers, employees and contractors, all of which have been developed at great time and expense to the Company. The Grantee represents that the Grantee has the skills and abilities to obtain alternative employment after the Date of Termination that would not violate the covenants in Section 7.1 and that these covenants do not pose an undue hardship on the Grantee. The Grantee further acknowledges that the Grantee’s breach of any of the covenants in

Section 7.1 would likely cause irreparable injury to the Company, and therefore entitles the Company to injunctive relief, in addition to any other remedies available in law or equity.

7.5    The Defend Trade Secrets Act (18 U.S.C. § 1833(b)) states: “An individual shall not be held criminally or civilly liable under any federal or state trade secret law for the disclosure of a trade secret that (A) is made (i) in confidence to a federal, state, or local government official, either directly or indirectly, or to an attorney; and (ii) solely for the purpose of reporting or investigating a suspected violation of law; or (B) is made in a complaint or other document filed in a lawsuit or other proceeding, if such filing is made under seal.” Accordingly, Grantee shall have the right to disclose in confidence trade secrets to federal, state, and local government officials, or to an attorney, for the sole purpose of reporting or investigating a suspected violation of law. Grantee shall also have the right to disclose trade secrets in a document filed in a lawsuit or other proceeding, but only if the filing is made under seal and protected from public disclosure. Nothing in this Agreement is intended to conflict with 18 U.S.C. § 1833(b) or create liability for disclosures of trade secrets that are expressly allowed by 18 U.S.C. § 1833(b).

8.    Modification of Agreement; Severability

                If any provision of this Agreement is held by a court of competent jurisdiction to be overly broad or unenforceable for any reason, the parties authorize such court to modify and enforce such provision to the extent the court deems reasonable. If any provision of this Agreement is found by a court to be overbroad or otherwise unenforceable and not capable of modification, it shall be severed and the remaining covenants and clauses enforced in accordance with the tenor of this Agreement. The parties may modify, amend, suspend or terminate this Agreement or may waive any terms or conditions of this Agreement but only by a written instrument executed by the parties hereto.

9.    Governing Law and Forum

The validity, interpretation, construction, and performance of this Agreement shall be governed by the laws of the state of Georgia without giving effect to the conflicts of laws principles thereof. The parties agree that they will not file any action arising out of or relating in any way to this Agreement other than in the United States District Court for the Northern District of Georgia or the Superior Court of Union County, Georgia. The parties consent to personal jurisdiction and venue solely within these forums and waive all possible objections thereto.

10.    Successors in Interest

This Agreement shall inure to the benefit of, and be binding upon, the Company and its successors and assigns, whether by merger, consolidation, reorganization, sale of assets, or otherwise. This Agreement shall inure to the benefit of the Grantee’s legal representatives. All obligations imposed upon the Grantee and all rights granted to the Company under this

Agreement shall be final, binding, and conclusive upon the Grantee’s heirs, executors, administrators, and successors.

11.    Entire Agreement

This Agreement and the Plan contain the entire agreement and understanding of the parties hereto with respect to the subject matter contained herein and supersede all prior communications, representations and negotiations in respect thereto. Wherever appropriate in this Agreement, personal pronouns shall be deemed to include the other genders and the singular to include the plural. Wherever used in this Agreement, the term “including” means “including, without limitation.”

12.    Resolution of Disputes

    Any dispute or disagreement which may arise under, or as a result of, or in any way relate to, the interpretation, construction or application of this Agreement and the Plan shall be determined by the Committee. Any determination made by the Committee shall be final, binding and conclusive on the Grantee and the Company and their successors, assigns, heirs, executors, administrators and legal representatives for all purposes.

[EXECUTION PAGE FOLLOWS]

IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above written.

By accepting this Agreement, the Grantee hereby accepts the RSU grant subject to all its terms and provisions and agrees to be bound by the terms and provisions of this Agreement, including Section 7, the Plan and Schedule A attached hereto, if applicable. The Grantee hereby agrees to accept as binding, conclusive and final all decisions or interpretations of the Board of Directors of the Company, or the Talent and Compensation Committee or other Committee responsible for the administration of the Plan, upon any questions arising under the Plan.

     By accepting this Agreement, the Grantee hereby acknowledges that notwithstanding any other provision herein, and in addition to other restrictions stated herein, any award, or any payment related thereto paid to the Grantee, shall be limited to the extent required by the federal or state regulatory agency having authority over the Company. The Grantee agrees that compliance by the Company with such regulatory restrictions, even to the extent that payments are limited, shall not be a breach of this Agreement by the Company.

    By accepting this Agreement, the Grantee hereby consents to the holding and processing of personal data provided by the Grantee to the Company for all purposes necessary for the operation of the Plan. These include, but are not limited to:

    (a)    administering and maintaining Plan records;

    (b)    providing information to any registrars, brokers or third party administrators of the Plan; and

    (c)    providing information to future purchasers of the Company or the business in which the Grantee works.

EX-21

EXHIBIT 21

Subsidiaries of United Community Banks, Inc.

Subsidiary	State of Organization
United Community Bank	Georgia
Navitas Credit Corp.	Florida
Navitas Equipment Receivables LLC 2016-1	Delaware
NLFC Reinsurance Corp.	Tennessee
United Community Insurance Services, Inc.	Georgia
Union Holdings, Inc.	Nevada
Union Investments, Inc.	Nevada
United Community Development Corporation	Georgia
UCB Real Estate Investments, Inc.	Georgia
UCBI Georgia Credits LLC	Georgia
Seaside Insurance, Inc.	Florida
Seaside Capital Management, Inc.	Florida
United Community Payment Systems, LLC (50% owned by United Community Bank)	Delaware
Southern Bancorp Capital Trust I	Delaware
Tidelands Statutory Trust I	Delaware
Four Oaks Statutory Trust I	Delaware
HCSB Financial Trust I	Delaware

EX-23

EXHIBIT 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on FormS-3(No. 333-197026 and 333-224367) andS-8 (No. 333-86876, 333-99849, 333-120623, 333-125017, 333-130489, 333-145027, 333-145029, 333-159989, 333-167185, 333-167186, 333-167187, 333-181675, 333-183767, 333-183768, and 333-183769) of United Community Banks, Inc. of our report dated February 25, 2021 relating to the financial statementsand the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

Atlanta, Georgia

February 25, 2021

EX-31.1

EXHIBIT 31.1

I, H. Lynn Harton, certify that:

1. I have reviewed this annual report on Form 10-K of United Community Banks, Inc. (the “Registrant”);

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a - 15(f) and 15d - 15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors:

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

By:	/s/ H. Lynn Harton
	H. Lynn Harton
	President and Chief Executive Officer
Date:	February 25, 2021

EX-31.2

EXHIBIT 31.2

I, Jefferson L. Harralson, certify that:

1. I have reviewed this annual report on Form 10-K of United Community Banks, Inc. (the “Registrant”);

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a - 15(f) and 15d - 15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors:

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

By:	/s/ Jefferson L. Harralson
	Jefferson L. Harralson
	Executive Vice President and
	Chief Financial Officer
Date:	February 25, 2021

EX-32

EXHIBIT 32

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of United Community Banks, Inc. (“United”) on Form 10-K for the period ending December 31, 2020 filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, H. Lynn Harton, President and Chief Executive Officer of United, and I, Jefferson L. Harralson, Executive Vice President and Chief Financial Officer of United, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1)The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of United.

By:	/s/ H. Lynn Harton
	H. Lynn Harton
	President and Chief Executive Officer
By:	/s/ Jefferson L. Harralson
	Jefferson L. Harralson
	Executive Vice President and Chief Financial Officer
	Date:  February 25, 2021

XML

Cover - USD ($)	12 Months Ended
	Dec. 31, 2020	Jan. 31, 2021	Jun. 30, 2020
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2020
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	001-35095
Entity Registrant Name	UNITED COMMUNITY BANKS, INC.
Entity Central Index Key	0000857855
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Incorporation, State or Country Code	GA
Entity Tax Identification Number	58-1807304
Entity Address, Address Line One	125 Highway 515 East
Entity Address, City or Town	Blairsville
Entity Address, State or Province	GA
Entity Address, Postal Zip Code	30512
City Area Code	706
Local Phone Number	781-2265
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 1,567,580,828
Entity Common Stock, Shares Outstanding		86,736,280
Documents Incorporated by Reference	Portions of the registrant’s Proxy Statement for the 2021 Annual Meeting of Shareholders to be held on May 12, 2021 (the “2021 Proxy Statement”) are incorporated herein into Part III by reference.
Common stock, par value $1 per share
Entity Listings [Line Items]
Title of 12(b) Security	Common stock, par value $1 per share
Trading Symbol	UCBI
Security Exchange Name	NASDAQ
Depositary shares, each representing 1/1000th interest in a share of Series I Non-Cumulative Preferred Stock
Entity Listings [Line Items]
Title of 12(b) Security	Depositary shares, each representing 1/1000th interest in a share of Series I Non-Cumulative Preferred Stock
Trading Symbol	UCBIO
Security Exchange Name	NASDAQ

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
ASSETS
Cash and due from banks	$ 148,896	$ 125,844
Interest-bearing deposits in banks	1,459,723	389,362
Cash and cash equivalents	1,608,619	515,206
Debt securities available-for-sale	3,224,721	2,274,581
Debt securities held-to-maturity (fair value $437,193 and $287,904, respectively)	420,361	283,533
Loans held for sale at fair value	105,433	58,484
Loans and leases held for investment	11,370,815	8,812,553
Less allowance for credit losses - loans and leases	(137,010)	(62,089)
Loans and leases, net	11,233,805	8,750,464
Premises and equipment, net	218,489	215,976
Bank owned life insurance	201,969	202,664
Accrued interest receivable	47,672	32,660
Net deferred tax asset	38,411	34,059
Derivative financial instruments	86,666	35,007
Goodwill and other intangible assets, net	381,823	342,247
Other assets	226,405	171,135
Total assets	17,794,374	12,916,016
Deposits:
Noninterest-bearing demand	5,390,291	3,477,979
Interest-bearing deposits	9,842,067	7,419,265
Total deposits	15,232,358	10,897,244
Long-term debt	326,956	212,664
Derivative financial instruments	29,003	15,516
Accrued expenses and other liabilities	198,527	154,900
Total liabilities	15,786,844	11,280,324
Commitments and contingencies
Shareholders' equity:
Preferred stock, $1 par value: 10,000,000 shares authorized; Series I, $25,000 per share liquidation preference; 4,000 and no shares issued and outstanding, respectively	96,422	0
Common stock, $1 par value; 150,000,000 shares authorized; 86,675,279 and 79,013,729 shares issued and outstanding, respectively	86,675	79,014
Common stock issuable; 600,834 and 664,640 shares, respectively	10,855	11,491
Capital surplus	1,638,999	1,496,641
Retained earnings	136,869	40,152
Accumulated other comprehensive income	37,710	8,394
Total shareholders’ equity	2,007,530	1,635,692
Total liabilities and shareholders’ equity	$ 17,794,374	$ 12,916,016

XML

Consolidated Balance Sheets (Parenthetical) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Securities held to maturity	$ 437,193,000	$ 287,904,000
Preferred stock, par value (in dollars per share)	$ 1
Preferred stock authorized (in shares)	10,000,000
Preferred stock liquidation preference (in dollars per share)	$ 25,000
Preferred stock issued (in shares)	4,000	0
Preferred stock outstanding (in shares)	4,000	0
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock authorized (in shares)	150,000,000	150,000,000
Common stock issued (in shares)	86,675,279	79,013,729
Common stock outstanding (in shares)	86,675,279	79,013,729
Common stock issuable (in shares)	600,834	664,640

XML

Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Interest revenue:
Loans, including fees	$ 494,212	$ 476,039	$ 420,383
Investment securities:
Taxable	55,031	69,920	73,496
Tax exempt	7,043	4,564	4,189
Deposits in banks and short-term investments	1,710	2,183	2,012
Total interest revenue	557,996	552,706	500,080
Interest expense:
Deposits	41,772	66,856	39,543
Short-term borrowings	3	838	1,112
Federal Home Loan Bank advances	28	2,697	6,345
Long-term debt	14,434	12,921	14,330
Total interest expense	56,237	83,312	61,330
Net interest revenue	501,759	469,394	438,750
Provision for credit losses	80,434	13,150	9,500
Net interest revenue after provision for credit losses	421,325	456,244	429,250
Noninterest income:
Wealth management fees	9,240	6,150	5,191
Gains from other loan sales, net	5,420	6,867	9,277
Securities gains (losses), net	748	(1,021)	(656)
Other	32,213	28,775	24,142
Total noninterest income	156,109	104,713	92,961
Total revenue	577,434	560,957	522,211
Noninterest expenses:
Salaries and employee benefits	224,060	196,440	181,015
Occupancy	25,791	23,350	22,781
Communications and equipment	27,149	24,613	21,277
Professional fees	18,032	17,028	15,540
Lending and loan servicing expense	10,993	9,416	8,697
Outside services - electronic banking	7,513	7,020	6,623
Postage, printing and supplies	6,779	6,370	6,416
Advertising and public relations	15,203	6,170	5,991
FDIC assessments and other regulatory charges	5,982	4,901	8,491
Amortization of intangibles	4,168	4,938	6,846
Merger-related and other charges	7,018	6,907	5,414
Other	15,301	15,092	17,194
Total noninterest expenses	367,989	322,245	306,285
Income before income taxes	209,445	238,712	215,926
Income tax expense	45,356	52,991	49,815
Net income	164,089	185,721	166,111
Net income available to common shareholders	$ 159,269	$ 184,346	$ 164,927
Income per common share:
Basic (in dollars per share)	$ 1.91	$ 2.31	$ 2.07
Diluted (in dollars per share)	$ 1.91	$ 2.31	$ 2.07
Weighted average common shares outstanding:
Basic (in shares)	83,184	79,700	79,662
Diluted (in shares)	83,248	79,708	79,671
Service charges and fees
Noninterest income:
Service charges and other related fees	$ 32,401	$ 36,797	$ 35,997
Mortgage loan gains and related fees
Noninterest income:
Service charges and other related fees	$ 76,087	$ 27,145	$ 19,010

XML

Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income, Before-tax Amount	$ 209,445	$ 238,712	$ 215,926
Net income, Tax (Expense) Benefit	(45,356)	(52,991)	(49,815)
Net income	164,089	185,721	166,111
Unrealized gains (losses) on available-for- sale securities:
Unrealized holding gains (losses) arising during period, Before-tax Amount	39,385	64,749	(24,990)
Unrealized holding gains (losses) arising during period, Tax (Expense) Benefit	(9,514)	(15,696)	6,081
Unrealized holding gains (losses) arising during period, Net of Tax Amount	29,871	49,053	(18,909)
Reclassification adjustment for losses (gains) recognized in net income, Before-tax Amount	(748)	1,021	656
Reclassification adjustment for losses (gains) recognized in net income, Tax (Expense) Benefit	191	(247)	(132)
Reclassification adjustment for losses (gains) recognized in net income, Net of Tax Amount	(557)	774	524
Net unrealized gains (losses), Before-tax Amount	38,637	65,770	(24,334)
Net unrealized gains (losses), Tax (Expense) Benefit	(9,323)	(15,943)	5,949
Net unrealized gains (losses), Net of Tax Amount	29,314	49,827	(18,385)
Amortization of losses included in net income on available-for-sale securities transferred to held-to-maturity, Before-tax Amount	723	383	739
Amortization of losses included in net income on available-for-sale securities transferred to held-to-maturity, Tax (Expense) Benefit	(173)	(92)	(180)
Amortization of losses included in net income on available-for-sale securities transferred to held-to-maturity, Net of Tax Amount	550	291	559
Derivative instruments designated as cash flow hedges:
Amortization of losses included in net income on terminated derivative financial instruments previously accounted for as cash flow hedges, Before-tax Amount	0	337	499
Amortization of losses included in net income on terminated derivative financial instruments previously accounted for as cash flow hedges, Tax (Expense) Benefit	0	(86)	(129)
Amortization of losses included in net income on terminated derivative financial instruments previously accounted for as cash flow hedges, Net of Tax Amount	0	251	370
Unrealized holding losses on derivatives arising during the period, Before-tax Amount	(149)	0	0
Unrealized holding losses on derivatives arising during the period, Tax (Expense) Benefit	38	0	0
Unrealized holding losses on derivatives arising during the period, Net of Tax Amount	(111)	0	0
Reclassification of losses on derivative instruments realized in net income, Before-tax Amount	359	0	0
Reclassification of losses on derivative instruments realized in net income, Tax (Expense) Benefit	(91)	0	0
Reclassification of losses on derivative instruments realized in net income, Net of Tax Amount	268	0	0
Net cash flow hedge activity, Before-tax Amount	210	337	499
Net cash flow hedge activity, Tax (Expense) Benefit	(53)	(86)	(129)
Net cash flow hedge activity, Net of Tax Amount	157	251	370
Defined benefit pension plan activity:
Termination of defined benefit pension plan, Before-tax Amount	0	1,558	0
Termination of defined benefit pension plan, Tax (Expense) Benefit	0	(398)	0
Termination of defined benefit pension plan, Net of Tax Amount	0	1,160	0
Amendments to defined benefit pension plan, Before-tax Amount	0	(386)	(413)
Amendments to defined benefit pension plan, Tax (Expense) Benefit	0	99	105
Amendments to defined benefit pension plan, Net of Tax Amount	0	(287)	(308)
Net actuarial gain (loss) on defined benefit pension plans, Before-tax Amount	(1,804)	(2,390)	1,015
Net actuarial gain (loss) on defined benefit pension plans, Tax (Expense) Benefit	461	610	(259)
Net actuarial gain (loss) on defined benefit pension plans, Net of Tax Amount	(1,343)	(1,780)	756
Amortization of prior service cost and actuarial losses included in net periodic pension cost for defined benefit pension plans, Before-tax Amount	857	699	907
Amortization of prior service cost and actuarial losses included in net periodic pension cost for defined benefit pension plans, Tax (Expense) Benefit	(219)	(178)	(247)
Amortization of prior service cost and actuarial losses included in net periodic pension cost for defined benefit pension plans, Net of Tax Amount	638	521	660
Net defined benefit pension plan activity, Before-tax Amount	(947)	(519)	1,509
Net defined benefit pension plan activity, Tax (Expense) Benefit	242	133	(401)
Net defined benefit pension plan activity, Net of Tax Amount	(705)	(386)	1,108
Total other comprehensive income (loss), Before-tax Amount	38,623	65,971	(21,587)
Total other comprehensive income (loss), Tax (Expense) Benefit	(9,307)	(15,988)	5,239
Total other comprehensive income (loss), Net of Tax Amount	29,316	49,983	(16,348)
Comprehensive income, Before-tax Amount	248,068	304,683	194,339
Comprehensive income, Tax (Expense) Benefit	(54,663)	(68,979)	(44,576)
Comprehensive income, Net of Tax Amount	$ 193,405	$ 235,704	$ 149,763

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Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Adoption of new accounting standard	Preferred Stock	Common Stock	Common Stock Issuable	Capital Surplus	Retained Earnings (Accumulated Deficit)	Retained Earnings (Accumulated Deficit) Adoption of new accounting standard	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2017	$ 1,303,334		$ 0	$ 77,580	$ 9,083	$ 1,451,814	$ (209,902)		$ (25,241)
Beginning balance (shares) at Dec. 31, 2017				77,579,561
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	166,111						166,111
Other comprehensive income (loss)	(16,348)								(16,348)
Common stock issued for acquisitions	$ 45,746			$ 1,444		44,302
Common stock issued for acquisitions (shares)				1,443,987
Purchases of common stock (shares)	0
Common stock dividends	$ (46,628)						(46,628)
Impact of equity-based compensation awards	4,211			$ 137	1,931	2,143
Impact of equity-based compensation awards (shares)				137,067
Impact of other United sponsored equity plans	1,128			$ 73	(270)	1,325
Impact of other United sponsored equity plans (shares)				73,462
Ending balance at Dec. 31, 2018	1,457,554	$ (549)	0	$ 79,234	10,744	1,499,584	(90,419)	$ (549)	(41,589)
Ending balance (shares) at Dec. 31, 2018				79,234,077
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	185,721						185,721
Other comprehensive income (loss)	49,983								49,983
Purchases of common stock	$ (13,020)			$ (500)		(12,520)
Purchases of common stock (shares)	(500,495)			(500,495)
Common stock dividends	$ (54,601)						(54,601)
Impact of equity-based compensation awards	8,130			$ 122	1,476	6,532
Impact of equity-based compensation awards (shares)				122,100
Impact of other United sponsored equity plans	2,474			$ 158	(729)	3,045
Impact of other United sponsored equity plans (shares)				158,047
Ending balance at Dec. 31, 2019	1,635,692	$ (3,529)	0	$ 79,014	11,491	1,496,641	40,152	$ (3,529)	8,394
Ending balance (shares) at Dec. 31, 2019				79,013,729
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	164,089						164,089
Other comprehensive income (loss)	29,316								29,316
Issuance of preferred stock	96,422		96,422
Common stock issued for acquisitions	163,589			$ 8,131		155,458
Common stock issued for acquisitions (shares)				8,130,633
Purchases of common stock	$ (20,782)			$ (827)		(19,955)
Purchases of common stock (shares)	(826,482)			(826,482)
Preferred stock dividends	$ (3,533)						(3,533)
Common stock dividends	(60,310)						(60,310)
Impact of equity-based compensation awards	6,086			$ 202	1,120	4,764
Impact of equity-based compensation awards (shares)				202,437
Impact of other United sponsored equity plans	490			$ 155	(1,756)	2,091
Impact of other United sponsored equity plans (shares)				154,962
Ending balance at Dec. 31, 2020	$ 2,007,530		$ 96,422	$ 86,675	$ 10,855	$ 1,638,999	$ 136,869		$ 37,710
Ending balance (shares) at Dec. 31, 2020				86,675,279

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Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Stockholders' Equity [Abstract]
Common stock dividends (in dollars per share)	$ 0.72	$ 0.68	$ 0.58

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Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating activities:
Net income	$ 164,089	$ 185,721	$ 166,111
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion	(8,586)	23,952	30,971
Provision for credit losses	80,434	13,150	9,500
Stock-based compensation	7,887	9,360	6,057
Deferred income tax expense	2,668	14,909	32,630
Securities (gains) losses, net	(748)	1,021	656
Gains from other loan sales, net	(5,420)	(6,867)	(9,277)
Changes in assets and liabilities:
(Increase) decrease in other assets and accrued interest receivable	(20,139)	(45,789)	13,195
(Decrease) increase in accrued expenses and other liabilities	(14,783)	(1,975)	3,772
(Increase) decrease in loans held for sale	(46,721)	(39,549)	16,391
Net cash provided by operating activities	158,681	153,933	270,006
Debt securities held-to-maturity:
Proceeds from maturities and calls	57,981	50,379	58,605
Purchases	(157,465)	(59,629)	(11,983)
Debt securities available-for-sale and equity securities with readily determinable fair values:
Proceeds from sales	40,625	352,106	168,891
Proceeds from maturities and calls	834,725	349,758	346,505
Purchases	(1,456,311)	(294,245)	(566,333)
Net increase in loans	(1,069,089)	(205,612)	(291,890)
Net cash received in (paid for) acquisitions	195,699	(19,545)	(56,800)
Purchases of premises and equipment	(18,462)	(20,944)	(17,617)
Proceeds from sales of premises and equipment	903	6,595	6,483
Proceeds from sale of other real estate owned	1,074	2,439	4,664
Other investing activities, net	(10,243)	1,916	0
Net cash (used in) provided by investing activities	(1,580,563)	163,218	(359,475)
Financing activities:
Net increase in deposits	2,534,471	151,401	727,839
Net decrease in short-term borrowings	0	0	(264,923)
Proceeds from Federal Home Loan Bank advances	5,000	1,625,000	2,860,000
Repayment of Federal Home Loan Bank advances	(134,121)	(1,785,000)	(3,204,003)
Repayment of long-term debt	0	(55,266)	(71,831)
Proceeds from issuance of long-term debt, net of issuance costs	98,552	0	98,188
Proceeds from issuance of common stock for dividend reinvestment and employee benefit plans	1,317	2,193	679
Proceeds from exercise of stock options	0	212	142
Cash paid for shares withheld to cover payroll taxes upon vesting of restricted stock units	(3,119)	(1,686)	(1,998)
Repurchase of common stock	(20,782)	(13,020)	0
Proceeds from issuance of Series I preferred stock, net of issuance costs	96,422	0	0
Cash dividends on common stock	(58,912)	(53,044)	(41,634)
Cash dividends on preferred stock	(3,533)	0	0
Net cash provided by (used in) financing activities	2,515,295	(129,210)	102,459
Net change in cash and cash equivalents, including restricted cash	1,093,413	187,941	12,990
Cash and cash equivalents, including restricted cash, at beginning of year	515,206	327,265	314,275
Cash and cash equivalents, including restricted cash, at end of year	1,608,619	515,206	327,265
Cash paid during the period for:
Interest	59,967	85,973	56,830
Income taxes	$ 36,536	$ 33,776	$ 7,880

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Summary of Significant Accounting Policies

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

See the Glossary of Defined Terms at the beginning of this Report for terms used herein. The accounting principles followed by United and the methods of applying these principles conform with GAAP and with general practices within the banking industry. The following is a description of the significant policies.

Organization and Basis of Presentation

The Holding Company is a bank holding company subject to the regulation of the Board of Governors of the Federal Reserve whose principal business is conducted by its wholly-owned commercial bank subsidiary, United Community Bank (the “Bank”). United is subject to regulation under the BHC Act. The consolidated financial statements include the accounts of the Holding Company, the Bank and other wholly-owned subsidiaries. All significant intercompany accounts and transactions have been eliminated in consolidation.

The Bank is a Georgia state chartered commercial bank that serves both rural and metropolitan markets in Georgia, South Carolina, North Carolina, Tennessee and Florida and provides a full range of banking services. The Bank is insured and subject to the regulation of the FDIC and is also subject to the regulation of the GADBF.

Use of Estimates

In preparing the consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the dates of the balance sheet and revenue and expenses for the years then ended. Actual results could differ significantly from those estimates. Material estimates that are particularly susceptible to significant change are the determination of the ACL, the valuation of acquired loans, the valuation of real estate acquired in connection with foreclosures or in satisfaction of loans, the valuation of goodwill and separately identifiable intangible assets associated with mergers and acquisitions, and the valuation of deferred tax assets.

Operating Segments

Operating segments are components of a business about which separate financial information is available and evaluated regularly by the chief operating decision maker in deciding how to allocate resources and assessing performance. Public companies are required to report certain financial information about operating segments in interim and annual financial statements. United’s community banking operations are divided among geographic regions and local community banks within those regions. Those regions and banks have similar economic characteristics and are therefore considered to be one operating segment.

Additionally, management assessed other operating units to determine if they should be classified and reported as segments, including Mortgage, Wealth Management and Commercial Banking Solutions. Qualitatively, these business units are primarily operating in the same geographic footprint as the community banks and face many of the same customers as the community banks. While the chief operating decision maker does have some limited production information for these entities, that information is not complete since it does not include a full allocation of revenue, costs and capital from key corporate functions. The business units are currently viewed more as a product line extension of the community banks. However, management will continue to evaluate these business units for separate reporting as facts and circumstances change.

Based on this analysis, United concluded that it has one operating and reportable segment.

Cash and Cash Equivalents

Cash equivalents include amounts due from banks, interest-bearing deposits in banks, federal funds sold, commercial paper, reverse repurchase agreements and short-term investments and are carried at cost. Federal funds are generally sold for one-day periods, interest-bearing deposits in banks are available on demand and commercial paper investments and reverse repurchase agreements mature within a period of less than 90 days. A portion of the cash on hand and on deposit with the Federal Reserve Bank of Atlanta was required to meet regulatory reserve requirements.

Investment Securities

Debt Securities: Debt securities are classified as held-to-maturity and carried at amortized cost when management has the positive intent and ability to hold them to maturity. Debt securities are classified as available-for-sale when they may be sold before maturity. Securities available-for-sale are carried at fair value, with unrealized holding gains and losses reported in other comprehensive income, net of tax.

Interest income includes amortization of purchase premiums or discounts. Premiums and discounts on securities are generally amortized or accreted on the level-yield method without anticipating prepayments, except for mortgage-backed securities where prepayments are anticipated. Premiums on callable debt securities are amortized to their earliest call date. Gains and losses on sales are recorded on the trade date and determined using the specific identification method.

Transfers of securities between categories are recorded at fair value at the date of transfer. Unrealized holding gains or losses associated with transfers of securities from available-for-sale to held-to-maturity are included in the balance of AOCI in the consolidated balance sheets. These unrealized holding gains or losses are amortized/accreted into income over the remaining life of the security as an adjustment to the yield in a manner consistent with the amortization or accretion of the original purchase premium or discount on the associated security.

A debt security is placed on nonaccrual status at the time any principal or interest payments become 90 days delinquent. Interest accrued but not received for a security placed on nonaccrual is reversed against interest income.

ACL - Held-to-Maturity Securities: Since the adoption of ASC 326, management measures current expected credit losses on held-to-maturity debt securities on a collective basis by major security type. Accrued interest receivable on held-to-maturity debt securities totaled $1.78 million at December 31, 2020 and was excluded from the estimate of credit losses.

The estimate of current expected credit losses considers historical credit loss information that is adjusted for current conditions and reasonable and supportable forecasts. Management classifies the held-to-maturity portfolio into the following major security types: U.S. Government agencies and GSEs, state and political subdivisions, residential mortgage-backed, agency and GSEs and commercial mortgage-backed, agency and GSEs.

All of the residential and commercial mortgage-backed securities held by United as held-to-maturity are issued by U.S. Government agencies and GSEs. These securities are either explicitly or implicitly guaranteed by the U.S. government, are highly rated by major rating agencies and have a long history of no credit losses. The state and political subdivision securities are highly rated by major rating agencies.

ACL - Available-For-Sale Securities: For available-for-sale debt securities in an unrealized loss position, United first assesses whether it intends to sell, or whether it is more likely than not that it will be required to sell the security before recovery of its amortized cost basis. If either of the criteria regarding intent or requirement to sell is met, the security's amortized cost basis is written down to fair value through income. For debt securities available-for-sale that do not meet the aforementioned criteria, United evaluates whether the decline in fair value has resulted from credit losses or other factors. In making this assessment, management considers the extent to which fair value is less than amortized cost, any changes to the rating of the security by a rating agency, and adverse conditions specifically related to the security, among other factors. If this assessment indicates that a credit loss exists, the present value of cash flows expected to be collected from the security are compared to the amortized cost basis of the security. Since the adoption of ASC 326, if the present value of cash flows expected to be collected is less than the amortized cost basis, a credit loss exists and an ACL is recorded for the credit loss, limited by the amount that the fair value is less than the amortized cost basis. Any amount of unrealized loss that has not been recorded through an ACL is recognized in other comprehensive income.

Changes in the ACL are recorded as provision for (or reversal of) credit loss expense. Losses are charged against the ACL when management believes the uncollectability of an available-for-sale security is confirmed or when either of the criteria regarding intent or requirement to sell is met.

Accrued interest receivable on available-for-sale debt securities totaled $9.11 million at December 31, 2020 and was excluded from the estimate of credit losses.

Equity securities: Equity securities are included in other assets on the consolidated balance sheets. Those with readily determinable fair values are carried at fair value with changes in fair value recognized in net income. Those without readily determinable fair values include, among others, FHLB stock held to meet FHLB requirements related to outstanding advances and CRA equity investments, including those where the returns are primarily derived from LIHTC. Our investment in FHLB stock, which totaled $13.3 million at December 31, 2020, is accounted for using the cost method of accounting. Our LIHTC investments are accounted for using the proportional amortization method of accounting for qualified affordable housing investments which

results in the amortization being reported as a component of income tax expense. Our obligations related to unfunded commitments for our LIHTC investments are reported in other liabilities. Our other CRA investments are accounted for using the equity method of accounting. As conditions warrant, we review our investments for impairment and will adjust the carrying value of the investment if it is deemed to be impaired.

Loans Held for Sale

United has elected the fair value option for mortgage loans held for sale in order to reduce certain timing differences and match changes in fair values of the loans with changes in the fair value of derivative instruments used to economically hedge them.

Loans and Leases

Loans that management has the intent and ability to hold for the foreseeable future or until maturity or payoff are reported at amortized cost. Amortized cost is the principal balance outstanding, net of purchase premiums and discounts and deferred fees and costs. Accrued interest receivable related to loans totaled $35.5 million at December 31, 2020 and was reported in accrued interest receivable on the consolidated balance sheets. Interest income is accrued on the unpaid principal balance. Loan origination fees, net of certain direct origination costs, are deferred and recognized in interest income using methods that approximate a level yield without anticipating prepayments.

Equipment Financing Lease Receivables: Equipment financing lease receivables, which are classified as sales-type or direct financing leases, are recorded as the sum of the future minimum lease payments, initial deferred costs and, if applicable, estimated or contractual residual values less unearned income and security deposits. For lease receivables with a residual value, the determination of such value is derived from a variety of sources including equipment valuation services, appraisals, and publicly available market data on recent sales transactions on similar equipment. The length of time until contract termination, the cyclical nature of equipment values and the limited marketplace for re-sale of certain leased assets are important variables considered in making this determination. Interest income, which is included in loan interest revenue in the consolidated statements of income, is recognized as earned using the effective interest method. Direct fees and costs associated with the origination of leases are deferred and included as a component of equipment financing receivables. Net deferred fees or costs are recognized as an adjustment to interest income over the contractual life of the lease using the effective interest method. These lease agreements may include options to renew and for the lessee to purchase the leased equipment at the end of the lease term. United excludes sales taxes from consideration in these lease contracts.

PCD Loans (CECL): In acquisitions, United may acquire loans, some of which have experienced more than insignificant credit deterioration since origination. In those cases, United will consider internal loan grades, delinquency status and other relevant factors in assessing whether purchased loans are PCD. PCD loans are recorded at their fair value at the acquisition date. An initial ACL is determined using the same methodology as other loans held for investment and recognized as an adjustment to the acquisition price of the asset; thus, the sum of the loan's purchase price and ACL becomes its initial amortized cost basis. The difference between the initial amortized cost basis and the par value of the loan is a noncredit discount or premium, which is amortized into interest income over the life of the loan. Subsequent to initial recognition, PCD loans are subject to the same interest income recognition and impairment model as non-PCD loans, with changes to the ACL recorded through provision expense.

Upon adoption of ASC 326, loans that were designated as PCI loans under the Incurred Loss guidance were classified as PCD loans without reassessment.

PCI Loans (Incurred Loss): Prior to the adoption of ASC 326 on January 1, 2020, purchased loans with evidence of credit deterioration since origination were accounted for pursuant to ASC Topic 310-30, Loans and Debt Securities Acquired with Deteriorated Credit Quality. These PCI loans were recorded at their estimated fair value at date of purchase. After acquisition, further losses evidenced by decreases in expected cash flows were recognized by an increase in the ACL.

PCI loans were aggregated into pools of loans based on common risk characteristics such as the type of loan, payment status, or collateral type. United estimated the amount and timing of expected cash flows for each purchased loan pool and the expected cash flows in excess of the amount paid were recorded as interest income over the remaining life of the pool (accretable yield). The excess of the pool’s contractual principal and interest over expected cash flows was not recorded (nonaccretable difference).

Over the life of the loan pool, expected cash flows continued to be estimated. If the present value of expected cash flows was less than the carrying amount, a loss was recorded. If the present value of expected cash flows was greater than the carrying amount, it was recognized as part of future interest revenue.

Nonaccrual Loans: The accrual of interest is generally discontinued when a loan becomes 90 days past due or when management believes, after considering economic and business conditions and collection efforts, that the principal or interest will not be collectable in the normal course of business. A loan may continue to accrue interest after 90 days if it is well collateralized and in the process of collection. Past due status is based on contractual terms of the loan. During 2020, United granted loan payment deferrals in accordance with the CARES Act and interagency guidance for certain borrowers experiencing temporary cash flow shortages as a result of the COVID-19 pandemic. During the temporary payment deferral period, these loans are not considered past due.

All interest accrued but not received for loans placed on nonaccrual is reversed against interest income. Interest received on such loans is accounted for using the cost-recovery method, until qualifying for return to accrual. Under the cost-recovery method, interest income is not recognized until the loan balance is reduced to zero. Loans are returned to accrual status when all the principal and interest amounts contractually due are brought current, there is a sustained period of repayment performance and future payments are reasonably assured.

TDRs: A loan for which the terms have been modified resulting in a more than insignificant concession, and for which the borrower is experiencing financial difficulties, is generally considered to be a TDR. Modified terms that result in a TDR include one or a combination of the following: a reduction of the stated interest rate of the loan, an extension of the amortization period that would not otherwise be considered in the current market for new debt with similar risk characteristics; a restructuring of the borrower’s debt into an “A/B note structure” in which the A note would fall within the borrower’s ability to pay and the remainder would be included in the B note; a mandated bankruptcy restructuring; or interest-only payment terms greater than 90 days where the borrower is unable to amortize the loan.

Collateral dependent TDRs that subsequently default or are placed on nonaccrual are charged down to the fair value of the collateral consistent with United’s policy for nonaccrual loans. 

As discussed in Note 2, in accordance with the CARES Act, United implemented loan modification programs in response to the COVID-19 pandemic in order to provide borrowers with flexibility with respect to repayment terms. These loan modifications were not considered TDRs to the extent that the borrower was impacted by the COVID-19 pandemic and was not more than 30 days past due at December 31, 2019, or in certain circumstances, at the time that the COVID-19 loan modification program was implemented, unless the loan was previously classified as a TDR.

Impaired Loans (Incurred Loss): With the exception of PCI loans, a loan is considered impaired when, based on current events and circumstances, it is probable that all amounts due, according to the contractual terms of the loan, will not be collected. Individually impaired loans are measured based on the present value of expected future cash flows, discounted at the loan’s effective interest rate, at the loan’s observable market price, or the fair value of the collateral if the loan is collateral dependent. Interest revenue on impaired loans is discontinued when the loans meet the criteria for nonaccrual status. Factors considered by management in determining impairment include payment status, collateral value, and the probability of collecting scheduled principal and interest payments when due. Loans that experience insignificant payment delays and payment shortfalls generally are not considered impaired. Management determines the significance of payment delays and payment shortfalls on a case-by-case basis, taking into consideration all of the circumstances surrounding the loan and borrower, including the length of the delay, the reasons for the delay, the borrower’s prior payment record, and the amount of the shortfall in relation to the principal and interest owed.

PCI loans are considered to be impaired when it is probable that United will be unable to collect all the cash flows expected at acquisition, plus additional cash flows expected to be collected arising from changes in estimates after acquisition. Loans that are accounted for in pools are evaluated collectively for impairment on a pool by pool basis based on expected pool cash flows. Discounts continue to be accreted as long as there are expected future cash flows in excess of the current carrying amount of the specifically-reviewed loan or pool. 

Prior to the implementation of CECL, management individually evaluated certain impaired loans on a quarterly basis, including all non-PCI nonaccrual relationships with a balance of $500,000 or greater and all TDRs for impairment. Impairment for

collateral dependent loans within this population is measured based on the fair value of the collateral. If impairment is identified, the loan is generally charged down to the fair value of the underlying collateral, less selling costs. Impairment for non-collateral dependent TDRs within this population is measured based on discounted cash flows or the loan’s observable market price. Impairment identified using these methods would result in the establishment of a specific reserve.

Concentration of Credit Risk: Most of United’s business activity is with customers located within the markets where it has banking operations. Therefore, United’s exposure to credit risk is significantly affected by changes in the economy within its markets. Approximately 69% of United’s loan portfolio is secured by real estate and is therefore susceptible to changes in real estate valuations.

ACL- Loans

United implemented CECL upon adoption of ASC 326 on January 1, 2020. The following discussion provides a description of the methodology applied to calculate the ACL under CECL for 2020 and under the Incurred Loss method for periods prior to 2020.

CECL: The ACL is a valuation account that is deducted from the loans' amortized cost basis to present the net amount expected to be collected on the loans. Loans are charged off against the ACL when management believes the uncollectability of a loan balance is confirmed. Accrued interest receivable is excluded from the estimate of credit losses.

Management determines the ACL balance using relevant available information, from internal and external sources, relating to past events, current conditions, and reasonable and supportable forecasts. Historical credit behaviors along with model judgments provide the basis for the estimation of expected credit losses. Adjustments to modeled loss estimates may be made for differences in current loan-specific risk characteristics such as differences in underwriting standards, portfolio mix, delinquency level, or term as well as for changes in environmental conditions, such as changes in economic conditions, property values, or other relevant factors.

The ACL-loans is measured on a collective basis when similar risk characteristics exist. United has identified the following portfolio segments and calculates the ACL for each using a discounted cash flow methodology at the loan level, with loss rates, prepayment assumptions and curtailment assumptions driven by each loan’s collateral type:

Owner occupied commercial real estate - Loans in this category are susceptible to business failure and general economic conditions.

Income producing commercial real estate - Common risks for this loan category are declines in general economic conditions, declines in real estate value, declines in occupancy rates, and lack of suitable alternative use for the property.

Commercial & industrial - Risks to this loan category include the inability to monitor the condition of the collateral, which often consists of inventory, accounts receivable and other non-real estate assets. Equipment and inventory obsolescence can also pose a risk. Declines in general economic conditions and other events can cause cash flows to fall to levels insufficient to service debt.

Commercial construction - Risks common to commercial construction loans are cost overruns, changes in market demand for property, inadequate long-term financing arrangements and declines in real estate values.

Equipment financing - Risks associated with equipment financing are similar to those described for commercial and industrial loans, including general economic conditions, as well as appropriate lien priority on equipment, equipment obsolescence and the general mobility of the collateral.

Residential mortgage - Residential mortgage loans are susceptible to weakening general economic conditions, increases in unemployment rates and declining real estate values.

Home equity lines of credit - Risks common to home equity lines of credit are general economic conditions, including an increase in unemployment rates, and declining real estate values that reduce or eliminate the borrower’s home equity.

Residential construction - Residential construction loans are susceptible to the same risks as residential mortgage loans. Changes in market demand for property lead to longer marketing times resulting in higher carrying costs and declining values.

Consumer - Risks common to consumer direct loans include unemployment and changes in local economic conditions as well as the inability to monitor collateral consisting of personal property.

Indirect auto - Risks common to indirect auto loans include unemployment and changes in local economic conditions as well as the inability to monitor collateral. During 2019, United sold its portfolio of indirect auto loans.

When management determines that foreclosure is probable or when the borrower is experiencing financial difficulty at the reporting date and repayment is expected to be provided substantially through the operation or sale of the collateral, expected credit losses are based on the fair value of the collateral at the reporting date, adjusted for selling costs as appropriate.

When the discounted cash flow method is used to determine the ACL, management adjusts the effective interest rate used to discount expected cash flows to incorporate expected prepayments. The ACL on a TDR is measured using the same method as all other loans held for investment, except that the original interest rate is used to discount the expected cash flows, not the rate specified within the restructuring.

Determining the Contractual Term: Expected credit losses are estimated over the contractual term of the loans, adjusted for expected prepayments when appropriate. The contractual term excludes expected extensions, renewals, and modifications unless either of the following applies: management has a reasonable expectation at the reporting date that a TDR will be executed with an individual borrower or the extension or renewal options are included in the original or modified contract at the reporting date and are not unconditionally cancellable by United.

Incurred Loss ACL: Under the Incurred Loss method, the ACL represents an amount, which, in management’s judgment, is adequate to absorb probable losses on existing loans as of the date of the balance sheet. The Incurred Loss ACL is composed of general reserves, specific reserves, and PCI reserves. General reserves are determined by applying loss percentages to the individual loan categories that are based on actual historical loss experience. Additionally, the general economic and business conditions affecting key lending areas, credit quality trends, collateral values, loan volumes and concentrations, seasoning of the loan portfolio, the findings of internal and external credit reviews and results from external bank regulatory examinations are considered in this evaluation. The need for specific reserves was evaluated on nonaccrual loan relationships greater than $500,000 and all TDRs. The specific reserves were determined on a loan-by-loan basis based on management’s evaluation of United’s exposure for each credit, given the current payment status of the loan and the value of any underlying collateral. Loans for which specific reserves are provided are excluded from the calculation of general reserves. For PCI loans, a valuation allowance is established when it is probable that the Company will be unable to collect all the cash flows expected at acquisition plus additional cash flows expected to be collected arising from changes in estimate after acquisition.

ACL - Off-Balance Sheet Credit Exposures

Management estimates expected credit losses on commitments to extend credit over the contractual period during which United is exposed to credit risk on the underlying commitments. The ACL on off-balance sheet credit exposures is adjusted as a provision for credit loss expense. The estimate includes consideration of the likelihood that funding will occur and an estimate of expected credit losses on commitments expected to be funded over its estimated life. The ACL is calculated using the same aggregate reserve rates calculated for the funded portion of loans at the portfolio level applied to the amount of commitments expected to fund.

Premises and Equipment

Premises and equipment are stated at cost less accumulated depreciation. Depreciation is computed primarily using the straight line method over the estimated useful lives of the related assets. Costs incurred for maintenance and repairs are expensed as incurred. The range of estimated useful lives for buildings and improvements is 10 to 40 years, for land improvements, 10 years, and for furniture and equipment, 3 to 10 years. United periodically reviews the carrying value of premises and equipment for impairment whenever events or circumstances indicate that the carrying amount of such assets may not be fully recoverable.

Foreclosed Properties (Other Real Estate Owned)

Foreclosed property is initially recorded at fair value, less cost to sell. If the fair value, less cost to sell at the time of foreclosure is less than the loan balance, the deficiency is recorded as a loan charge-off against the ACL. If the fair value, less cost to sell, of the foreclosed property decreases during the holding period, a valuation allowance is established with a charge to operating expenses. When the foreclosed property is sold, a gain or loss is recognized on the sale for the difference between the sales proceeds and the carrying amount of the property.

Goodwill and Other Intangible Assets

Goodwill is an asset representing the future economic benefits from other assets acquired that are not individually identified and separately recognized. Goodwill is measured as the excess of the consideration transferred, net of the fair value of identifiable assets acquired and liabilities assumed at the acquisition date. Goodwill is not amortized, but instead is tested for impairment annually or more frequently if events or circumstances exist that indicate a goodwill impairment test should be performed.

Other intangible assets, which are initially recorded at fair value, consist of core deposit intangible assets and noncompete agreements resulting from acquisitions. Core deposit intangible assets are amortized on a sum-of-the-years-digits basis over their estimated useful lives. Noncompete agreements, which were fully amortized at December 31, 2019, were amortized on a straight line basis over their estimated useful lives.

Management evaluates other intangible assets for impairment whenever events or changes in circumstances indicate the carrying amount of the asset may not be recoverable.

Transfers of Financial Assets

Transfers of financial assets are accounted for as sales when control over the assets has been relinquished. Control over transferred assets is deemed to be surrendered when the assets have been isolated from United, the transferee obtains the right, free of conditions that constrain it from taking advantage of that right, to pledge or exchange the transferred assets and United does not maintain effective control over the transferred assets through an agreement to repurchase them before maturity.

Servicing Rights

United records a separate servicing asset for SBA loans, USDA loans, and residential mortgage loans when the loan is sold but servicing is retained. This asset represents the right to service the loans and receive a fee in compensation. Servicing assets are initially recorded at their fair value as a component of the sale proceeds. The fair value of the servicing assets is based on an analysis of discounted cash flows that incorporates estimates of (1) market servicing costs, (2) market-based prepayment rates, and (3) market profit margins. Servicing assets are included in other assets.

United has elected to subsequently measure the servicing assets for government guaranteed loans and residential mortgage loans at fair value. The rate of prepayment of loans serviced is the most significant estimate involved in the measurement process. Estimates of prepayment rates are based on market expectations of future prepayment rates, industry trends, and other considerations. Actual prepayment rates will differ from those projected by management due to changes in a variety of economic factors, including prevailing interest rates and the availability of alternative financing sources to borrowers. If actual prepayments of the loans being serviced were to occur more quickly than projected, the carrying value of servicing assets might have to be written down through a charge to earnings in the current period. If actual prepayments of the loans being serviced were to occur more slowly than had been projected, the carrying value of servicing assets could increase, and servicing income would exceed previously projected amounts.

United accounts for the servicing liabilities associated with sold equipment financing loans using the amortization method. Servicing liabilities are included in accrued expenses and other liabilities.

BOLI

United has purchased life insurance policies on certain key executives and members of management. United has also received life insurance policies on members of acquired bank management teams through acquisitions of other banks. BOLI is recorded at the amount that can be realized under the insurance contract at the balance sheet date, which is the cash surrender value adjusted for other changes or other amounts due that are probable at settlement.

Operating Leases

Effective January 1, 2019, United records a right-of-use asset, included in other assets, and a related lease liability, included in other liabilities, for eligible operating leases for which it is the lessee, which include leases for land, buildings, and equipment. Payments related to these leases consist primarily of base rent and, in the case of building leases, additional operating costs associated with the leased property such as common area maintenance and utilities. In most cases these operating costs vary over the term of the lease, and therefore are classified as variable lease costs, which are recognized as incurred in the consolidated statement of income. In addition, certain operating leases include costs such as property taxes and insurance, which are recognized as incurred in the consolidated statement of income. Many of United’s operating leases contain renewal options, which are included in the measurement of the right-of-use asset and lease liability only to the extent they are reasonably certain to be exercised. United also subleases and leases certain real estate properties to third parties under operating leases. United does not recognize a lease liability or right-of-use asset on the consolidated balance sheet related to short-term leases with a term of less than one year. Lease payments for short-term leases are recognized as expense over the lease term.

Loan Commitments and Related Financial Instruments

Financial instruments include off-balance sheet credit instruments such as commitments to make loans and commercial letters of credit issued to meet customer financing needs. The face amount for these items represents the exposure to loss before considering customer collateral or ability to repay. Such financial instruments are recorded when they are funded.

Revenue from Contracts with Customers

In addition to lending and related activities, United offers various services to customers that generate revenue, certain of which are governed by ASC Topic 606 Revenue from Contracts with Customers. United’s services that fall within the scope of this topic are presented within noninterest income and include service charges and fees, wealth management fees, and other transaction-based fees. Revenue is recognized when the transactions occur or as services are performed over primarily monthly or quarterly periods. Payment is typically received in the period the transactions occur. Fees may be fixed or, where applicable, based on a percentage of transaction size.

Income Taxes

DTAs and DTLs are recorded for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Future tax benefits are recognized to the extent that realization of such benefits is more likely than not. DTAs and DTLs are measured using enacted tax rates expected to apply to taxable income in the years in which the assets and liabilities are expected to be recovered or settled. The effect of a change in tax rates on DTAs and DTLs is recognized in income taxes during the period that includes the enactment date.

In the event the future tax consequences of differences between the financial reporting bases and the tax bases of assets and liabilities results in DTAs, an evaluation of the probability of being able to realize the future benefits indicated by such asset is required. A valuation allowance is provided for the portion of the DTA when it is more likely than not that some or all of the DTA will not be realized. In assessing the realizability of the DTAs, management considers the scheduled reversals of DTLs, projected future taxable earnings and prudent and feasible tax planning strategies. Management weighs both the positive and negative evidence, giving more weight to evidence that can be objectively verified.

The income tax benefit or expense is the total of the current year income tax due or refundable and the change in DTAs and DTLs.

A tax position is recognized as a benefit only if it is “more likely than not” that the tax position would be sustained in a tax examination, with a tax examination being presumed to occur. The amount recognized is the largest amount of tax benefit that is greater than 50 percent likely of being realized on examination. For tax positions not meeting the “more likely than not” test, no tax benefit is recorded.

United recognizes interest and / or penalties related to income tax matters in income tax expense.

Derivative Instruments and Hedging Activities

United’s interest rate risk management strategy incorporates the use of derivative instruments to minimize fluctuations in net income that are caused by interest rate volatility. The objective is to manage interest rate sensitivity by modifying the repricing or maturity characteristics of certain balance sheet assets and liabilities so that net interest revenue and certain interest sensitive components of noninterest revenue are not, on a material basis, adversely affected by movements in interest rates. United views

this strategy as a prudent management of interest rate risk, such that net income is not exposed to undue risk presented by changes in interest rates. In carrying out this part of its interest rate risk management strategy, management uses derivatives, primarily interest rate swaps. Interest rate swaps generally involve the exchange of fixed- and variable-rate interest payments between two parties, based on a common notional principal amount and maturity date. United has also occasionally used interest rate caps to serve as an economic macro hedge of exposure to rising interest rates.

United originates certain residential mortgage loans with the intention of selling these loans. Between the time United enters into an interest-rate lock commitment to originate a residential mortgage loan that is to be held for sale and the time the loan is funded and eventually sold, the Company is subject to the risk of variability in market prices. United enters into forward sale agreements to mitigate risk and to protect the expected gain on the eventual loan sale. The commitments to originate residential mortgage loans and forward loan sales commitments are freestanding derivative instruments which are entered into as part of an economic hedging strategy to manage exposure related to mortgage loans held for sale.

To accommodate customers, United enters into interest rate swaps or caps with certain commercial loan customers, with offsetting positions to dealers under a back-to-back swap/cap program. In addition, United occasionally enters into credit risk participation agreements with counterparty banks to accept a portion of the credit risk related to interest rate swaps. This allows customers to execute an interest rate swap with one bank while allowing for the distribution of the credit risk among participating members. Credit risk participation agreements arise when United contracts with other financial institutions, as a guarantor, to share credit risk associated with certain interest rate swaps. These agreements provide for reimbursement of losses resulting from a third party default on the underlying swap. These transactions are typically executed in conjunction with a participation in a loan with the same customer. Collateral used to support the credit risk for the underlying lending relationship is also available to offset the risk of the credit risk participation.

United classifies its derivative financial instruments as either (1) a hedge of an exposure to changes in the fair value of a recorded asset or liability (“fair value hedge”), (2) a hedge of an exposure to changes in the cash flows of a recognized asset, liability or forecasted transaction (“cash flow hedge”), or (3) derivatives not designated as accounting hedges. Changes in the fair value of derivatives not designated as hedges are recognized in current period earnings. United has master netting agreements with the derivatives dealers with which it does business, but reflects gross assets and liabilities at fair value on the consolidated balance sheets. 

United assesses hedge effectiveness at inception and over the life of the hedge. Management documents, at inception, its analysis of actual and expected hedge effectiveness. This analysis includes techniques such as regression analysis and hypothetical derivatives to demonstrate that the hedge is expected to be highly effective in offsetting corresponding changes in the fair value or cash flows of the hedged item. At least quarterly thereafter, the terms of the hedging instrument and the hedged item are assessed to determine whether a material change has occurred relating to the hedge relationship. If it is determined that a change has occurred, a quantitative analysis as described will occur to determine whether the hedge is expected to be highly effective in offsetting future corresponding changes in the fair value or cash flows of the hedged item. For a qualifying fair value hedge, the changes in the value of derivatives are recognized in current period earnings along with the corresponding changes in the fair value of the designated hedged item attributable to the risk being hedged. For a qualifying cash flow hedge, the changes in the fair value of the derivatives that have been highly effective are recognized in other comprehensive income until the related cash flows from the hedged item are recognized in earnings. 

For fair value hedges and cash flow hedges, ineffectiveness is recognized in the same income statement line as interest accruals on the hedged item to the extent that changes in the value of the derivative instruments do not perfectly offset changes in the value of the hedged items. If the hedge ceases to be highly effective, United discontinues hedge accounting and recognizes the changes in fair value in current period earnings. If a derivative that qualifies as a fair value or cash flow hedge is terminated or the designation removed, the realized or then unrealized gain or loss is recognized into income over the life of the hedged item (fair value hedge) or over the time when the hedged item was forecasted to impact earnings (cash flow hedge). Immediate recognition in earnings is required upon sale or extinguishment of the hedged item (fair value hedge) or if it is probable that the hedged cash flows will not occur (cash flow hedge). 

By using derivative instruments, United is exposed to credit and market risk. If the counterparty fails to perform, credit risk is represented by the fair value gain in a derivative. When the fair value of a derivative contract is positive, this situation generally indicates that the counterparty is obligated to pay United, and, therefore, creates a repayment risk for United. When the fair value of a derivative contract is negative, United is obligated to pay the counterparty and, therefore, has no repayment risk. United minimizes the credit risk in non-customer derivative instruments by entering into transactions with high-quality counterparties

that are reviewed periodically by management. United also requires non-customer counterparties to pledge cash as collateral to cover the net exposure. All new non-customer derivatives that can be cleared are cleared through a central clearinghouse, which reduces counterparty exposure. 

Derivative activities are monitored by the ALCO as part its oversight of asset/liability and treasury functions. The ALCO is responsible for implementing various hedging strategies that are developed through its analysis of data from financial simulation models and other internal and industry sources. The resulting hedging strategies are then incorporated into the overall interest-rate risk management process.

Acquisition Activities

United accounts for business combinations under the acquisition method of accounting. Assets acquired and liabilities assumed are measured and recorded at fair value at the date of acquisition, including identifiable intangible assets. If the fair value of net assets purchased exceeds the fair value of consideration paid, a bargain purchase gain is recognized at the date of acquisition. Conversely, if the consideration paid exceeds the fair value of the net assets acquired, goodwill is recognized at the acquisition date. Fair values are subject to refinement for a period not to exceed one year after the closing date of an acquisition as information relative to closing date fair values becomes available.

Fair values for acquired loans are generally based on a discounted cash flow methodology that considers credit loss expectations, market interest rates and other market factors such as liquidity from the perspective of a market participant. Loans are grouped together according to similar characteristics and are generally treated in the aggregate when applying various valuation techniques. The probability of default, loss given default and prepayment assumptions are the key factors driving credit losses which are embedded into the estimated cash flows. These assumptions are informed by internal data on loan characteristics, historical loss experience, and current and forecasted economic conditions. The interest and liquidity component of the estimate is determined by discounting interest and principal cash flows through the expected life of each loan. The discount rates used for loans are based on current market rates for new originations of comparable loans and include adjustments for liquidity. The discount rate does not include a factor for credit losses as that has been included as a reduction to the estimated cash flows. For additional information about the accounting for purchased loans see PCD Loans (CECL) under the Loans and Leases section of this footnote.

All identifiable intangible assets that are acquired in a business combination are recognized at fair value on the acquisition date. Identifiable intangible assets are recognized separately if they arise from contractual or other legal rights or if they are separable (i.e., capable of being sold, transferred, licensed, rented, or exchanged separately from the entity). Deposit liabilities and the related depositor relationship intangible assets may be exchanged in observable exchange transactions. As a result, the depositor relationship intangible asset is considered identifiable, because the separability criterion has been met.

Earnings Per Common Share

Basic earnings per common share is net income available to common shareholders divided by the weighted average number of shares of common stock outstanding during the period. All outstanding unvested share-based payment awards that contain rights to nonforfeitable dividends are considered participating securities for this calculation. Additionally, shares issuable to participants in United’s deferred compensation plan are considered to be participating securities for purposes of calculating basic earnings per share. Accordingly, net income available to common shareholders is calculated pursuant to the two-class method, whereby net income after subtracting preferred stock dividends is allocated between common shareholders and participating securities. Diluted earnings per common share includes the dilutive effect of additional potential shares of common stock issuable under stock options, unvested restricted stock units without nonforfeitable rights to dividends, warrants and securities convertible into common stock. 

Loss Contingencies

Loss contingencies, including claims and legal actions arising in the ordinary course of business, are recorded as liabilities when the likelihood of loss is probable and an amount or range of loss can be reasonably estimated. Management does not believe there are such matters that will have a material effect on the financial statements. 

Dividend Restrictions

Banking regulations require maintaining certain capital levels and may limit dividends paid by the Bank to the Holding Company or by the Holding Company to shareholders. The Board may declare dividends from the Bank to the Holding Company out of retained earnings of up to fifty percent of the Bank’s net income from the previous year without notifying or seeking approval

from the GADBF as long as total classified assets do not exceed 80% of tier 1 capital and the tier 1 risk based capital ratio is not less than 6%. Dividends paid by the Bank to the Holding Company in excess of that amount require pre-approval of the GADBF. 

Fair Value of Financial Instruments

Fair values of financial instruments are estimated using relevant market information and other assumptions as more fully disclosed in Note 14. Fair value estimates involve uncertainties and matters of significant judgment regarding interest rates, credit risk, prepayments, and other factors, especially in the absence of broad markets for particular items. Changes in assumptions or in market conditions could significantly affect these estimates. 

Stock-Based Compensation

United uses the fair value method of recognizing expense for stock-based compensation based on the fair value of option and restricted stock unit awards at the date of grant. United accounts for forfeitures as they occur.

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Accounting Standards Updates and Recently Adopted Standards

12 Months Ended

Dec. 31, 2020

Accounting Standards Update and Change in Accounting Principle [Abstract]

Accounting Standards Updates and Recently Adopted Standards

Accounting Standards Updates and Recently Adopted Standards

Recently Adopted Standards

On January 1, 2020, United adopted ASC 326, which replaced the Incurred Loss framework in prior GAAP with a CECL framework. The CECL framework requires an estimate of expected credit losses for the remaining estimated life of the financial asset using historical experience, current conditions, and reasonable and supportable forecasts and generally applies to financial assets measured at amortized cost, including loan receivables and held-to-maturity debt securities, and some off-balance sheet credit exposures such as unfunded commitments to extend credit. Financial assets measured at amortized cost will be presented at the net amount expected to be collected by using an ACL. PCD loans will receive an initial allowance at the acquisition date that represents an adjustment to the amortized cost basis of the loan, with no impact to earnings. Credit losses relating to available-for-sale debt securities will be recorded through an ACL prospectively, with such allowance limited to the amount by which fair value is below amortized cost.

United adopted ASC 326 as of January 1, 2020 using the modified retrospective method for loans, leases and off-balance sheet credit exposures. Adoption of this guidance resulted in an $8.75 million increase in the ACL, comprised of increases in the ACL for loans of $6.88 million and the ACL for unfunded commitments of $1.87 million, with $3.59 million of the increase reclassified from the amortized cost basis of PCD financial assets. The cumulative effect adjustment to retained earnings was $3.53 million, net of tax. Calculated credit losses on held-to-maturity debt securities were not material and there was no impact to the available-for-sale securities portfolio or other financial instruments. Results for reporting periods beginning after January 1, 2020 are presented under ASC 326 while prior period amounts continue to be reported in accordance with Incurred Loss.

The ACL for the majority of loans and leases was calculated using a discounted cash flow methodology applied at a loan level with a one-year reasonable and supportable forecast period and a two-year straight-line reversion period. In connection with the adoption, management has implemented changes to relevant systems, processes and controls where necessary. United’s CECL allowance will fluctuate over time due to macroeconomic conditions and forecasts as well as the size and composition of the loan portfolios. United has adopted the relief provided by federal banking regulatory agencies for the delay of the adverse capital impact of CECL at adoption and during the subsequent two-year period following adoption. This optional two-year delay is followed by an optional three-year transition period to phase out the aggregate amount of capital benefit provided during the initial two-year delay. Under the transition provision, the amount of aggregate capital benefit is phased out by 25% each year with the full impact of adoption completely recognized by the beginning of the sixth year.

United adopted ASC 326 using the prospective transition approach for PCD assets that were previously classified as PCI. In accordance with the standard, management did not reassess whether PCI assets met the criteria of PCD assets as of the date of adoption. As mentioned above, the amortized cost basis of the PCD assets was adjusted to reflect the addition of $3.59 million to the ACL. The remaining noncredit discount (based on the adjusted amortized cost basis) is being accreted into interest income at a rate that approximates the effective interest rate beginning on January 1, 2020.

With regard to PCD assets, because United elected to disaggregate the former PCI pools and no longer considers these pools to be the unit of account, contractually delinquent PCD loans are now being reported as nonaccrual loans using the same criteria as other loans. Similarly, although management did not reassess whether modifications to individual acquired financial assets accounted for in pools were TDRs as of the date of adoption, PCD loans that are restructured and meet the definition of TDR after the adoption of ASC 326 are being reported as such.

In addition to the aforementioned elections, United made the following elections at adoption:

•not to measure an ACL for accrued interest receivable and instead elected to reverse interest income on those loans that are 90 days past due;

•to exclude accrued interest receivable from the amortized cost basis of financial instruments subject to ASC 326 and to separately state the balance of accrued interest receivable on the consolidated balance sheet;

•to adjust the discount rate used to calculate credit losses for expected prepayments and is including all changes in discounted cash flows as credit loss; and

•as a practical expedient, elected to use the fair value of collateral when determining the ACL for loans if repayment is expected to be provided substantially through the operation or sale of the collateral when the borrower is experiencing financial difficulty (collateral-dependent loans).

On March 27, 2020, the CARES Act was signed into law, with certain relief extended in December 2020 by the Consolidated Appropriations Act, 2021. Additional COVID-19 pandemic relief was granted by the bank regulatory agencies through a series of interagency statements issued during 2020. The CARES Act, as extended, and the interagency statements include a number of provisions that were applicable to United, including the following:

•Accounting Relief for TDRs: The CARES Act provides that modifications under certain forbearance conditions for loans that were not more than 30 days past due at December 31, 2019 will not be considered TDRs for regulatory reporting and GAAP. This exemption period ends on the earlier of January 1, 2022 or the date that is 60 days after the termination date of the national emergency. The interagency statements provide additional relief from TDR status for certain short-term deferrals related to the COVID-19 pandemic for borrowers that were current at the time a modification program was implemented or at the time of the modification itself.

•Optional Delay and Regulatory Relief for ASC 326 Adoption: The CARES Act stipulates that large SEC filers have the option of delaying the adoption of ASC 326 from January 1, 2020 to the earlier of the end of the COVID-19 emergency period or December 31, 2020. Banks that were required to implement ASC 326 by the end of 2020 were granted the option to defer any impact on regulatory capital for two years before beginning the original three-year regulatory phase-in period, for a total five-year phase-in period. Although United did not elect to delay the adoption of ASC 326, the Company elected the five-year phase-in period for regulatory capital purposes, as discussed above.

•PPP: The CARES Act creates the PPP through the SBA, which allowed United to lend money to small businesses to maintain employee payrolls and pay other qualified expenses during the crisis with guarantees from the SBA. Under this program, loan amounts may be forgiven if the proceeds are used for payroll and other permitted expenses in accordance with the requirements of the PPP.

In March 2020, the FASB issued ASU No. 2020-03, Codification Improvements to Financial Instruments. This update clarified certain minor issues within the codification, including, among other things, debt securities disclosure for financial institutions and determination of the contractual term of a net investment in a lease. The standard was effective immediately, and did not have a material impact on the consolidated financial statements.

In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting. This update, the scope of which was clarified with ASU No. 2021-01 in January of 2021, provides expedients for contracts that are modified because of reference rate reform, including receivables, debt, leases, and certain derivatives. In addition, the update provides a one-time election to sell or transfer debt securities classified as held-to-maturity that reference a rate that is affected by reference rate reform. The update is effective as of March 12, 2020 through December 31, 2022. At the time of adoption, there was no material impact on the consolidated financial statements, although United anticipates optional expedients adopted such as contract modification and hedge accounting will provide relief otherwise not provided through December 31, 2022.

In April 2019, the FASB issued ASU No. 2019-04, Codification Improvements to Topic 326, Financial Instruments - Credit Losses, Topic 815, Derivatives and Hedging, and Topic 825 Financial Instruments. In addition to amending guidance related to the new CECL standard, this update clarifies certain aspects of hedge accounting and recognition and measurement of financial instruments. United adopted this update as of January 1, 2020, with no material impact on the consolidated financial statements.

In January 2017, the FASB issued ASU No. 2017-04, Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment. This update eliminates Step 2 from the goodwill impairment test, which required an entity to calculate the

implied fair value of goodwill by valuing a reporting unit’s assets and liabilities using the same process that would be required to value assets and liabilities in a business combination. Instead, the amendments require that an entity perform its annual goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount. United adopted this update as of January 1, 2020, with no material impact on the consolidated financial statements.

Accounting Standards Updates Not Yet Adopted as of December 31, 2020

In October 2020, the FASB issued ASU No. 2020-10, Codification Improvements. In addition to consolidating existing disclosure guidance into a single codification section to reduce the likelihood of a required disclosure being missed, this update clarifies the application of select guidance in cases where the original guidance may have been unclear. Adoption of this update, which is effective for United as of January 1, 2021, is not expected to have a material impact on the consolidated financial statements.

In October 2020, the FASB issued ASU No. 2020-08, Codification Improvements to Subtopic 310-20, Receivables—Nonrefundable Fees and Other Costs. This update clarifies that an entity should reevaluate whether a callable debt security meets the criteria to adjust the amortization period of any related premium at each reporting period. Adoption of this update, which is effective for United as of January 1, 2021, is not expected to have a material impact on the consolidated financial statements.

In January 2020, the FASB issued ASU No. 2020-01, Investments—Equity Securities (Topic 321), Investments—Equity Method and Joint Ventures (Topic 323), and Derivatives and Hedging (Topic 815)—Clarifying the Interactions between Topic 321, Topic 323, and Topic 815 (a consensus of the Emerging Issues Task Force). This update clarifies whether an entity should consider observable transactions that require it to either apply or discontinue the equity method of accounting for the purposes of applying the measurement alternative and how to account for certain forward contracts and purchased options to purchase securities. For public entities, this guidance is effective for fiscal years beginning after December 15, 2020. United does not expect the new guidance to have a material impact on the consolidated financial statements.

In December 2019, the FASB issued ASU No. 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes. This update removes several exceptions related to intraperiod tax allocation when there is a loss from continuing operations and income from other items, foreign subsidiaries becoming equity method investments and vice versa, and calculating income taxes in an interim period when a year-to-date loss exceeds the anticipated loss for the year. The guidance also amends requirements related to franchise tax that is partially based on income, a step up in the tax basis of goodwill, allocation of consolidated tax expense to a legal entity not subject to tax in its separate financial statements, the effects of enacted changes in tax laws and other minor codification improvements regarding employee stock ownership plans and investments in qualified affordable housing projects. For public entities, this guidance is effective for fiscal years beginning after December 15, 2020. United does not expect the new guidance to have a material impact on the consolidated financial statements.

In August 2018, the FASB issued ASU No. 2018-14, Compensation - Retirement Benefits - Defined Benefit Plans - General (Subtopic 715-20): Disclosure Framework - Changes to the Disclosure Requirements for Defined Benefit Plans. The update removes disclosures that are no longer considered cost beneficial, clarifies specific requirements of disclosures, and adds disclosure requirements identified as relevant. For public entities, this guidance is effective for fiscal years ending after December 15, 2020 and requires retrospective application to prior periods presented. United does not expect the new guidance to have a material impact on the consolidated financial statements.

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Mergers and Acquisitions

12 Months Ended

Dec. 31, 2020

Business Combinations [Abstract]

Mergers and Acquisitions

Mergers and Acquisitions

Acquisition of Three Shores

On July 1, 2020, United completed the acquisition of Three Shores, including its wholly-owned subsidiary, Seaside, headquartered in Orlando, Florida. Seaside operated a 14-branch network located in key Florida metropolitan markets. In connection with the acquisition, United acquired $2.13 billion of assets and assumed $1.99 billion of liabilities. Under the terms of the merger agreement, Three Shores shareholders received $188 million in total consideration, of which $164 million was United common stock and $24.1 million was cash. United issued 8.13 million shares of common stock to Three Shores shareholders in the acquisition. The fair value of consideration paid exceeded the fair value of the identifiable assets and liabilities acquired and resulted in the establishment of goodwill in the amount of $40.4 million, representing the intangible value of Three Shores’ business and reputation within the markets it served. None of the goodwill is expected to be deductible for income tax purposes. United will amortize the related core deposit intangible of $3.36 million using the sum-of-the-years-digits method over 10 years, which represents the expected useful life of the asset. 

United’s operating results for the year ended December 31, 2020 include the operating results of the acquired business for the period subsequent to the acquisition date of July 1, 2020.

The acquisition of Three Shores has been accounted for as a business combination. Accordingly, the assets acquired and liabilities assumed are presented at their fair values as of the acquisition date. The determination of fair value requires management to make estimates about discount rates, future expected cash flows, market conditions and other future events that are highly subjective in nature and subject to change. Fair values are preliminary and are subject to refinement for a period not to exceed one year after the closing date of an acquisition as information relative to closing date fair values becomes available.

During the fourth quarter of 2020, within the one-year measurement period, United received additional information regarding acquisition date money market fund balances held by third party investment brokers and accrued interest receivable on certain debt securities and loans. As a result, the provisional fair values assigned to acquired cash and cash equivalents and accrued interest receivable increased by $1.09 million and $116,000, respectively. As a result of these adjustments, goodwill was reduced by $1.21 million. These adjustments are reflected in the fair values presented in the table below.

The purchased assets and assumed liabilities were recorded at their acquisition date fair values and are summarized in the table below (in thousands). 

	Fair Value Recorded by United
Assets
Cash and cash equivalents	$	219,807
Debt securities	381,740
Loans	1,427,966
Premises and equipment, net	1,584
Accrued interest receivable	7,681
Derivative assets	11,800
Net deferred tax asset	15,061
Core deposit intangible	3,360
Other assets	65,340
Total assets acquired	2,134,339
Liabilities
Deposits	1,802,694
FHLB advances and long-term debt	144,121
Derivative liabilities	12,165
Other liabilities	28,046
Total liabilities assumed	1,987,026
Total identifiable net assets	147,313
Consideration transferred
Cash	24,108
Common stock issued (8,130,633 shares)	163,589
Total fair value of consideration transferred	187,697
Goodwill	$	40,384

The following table presents additional information related to the acquired loan portfolio at the acquisition date (in thousands):

	July 1, 2020
PCD loans:
Par Value	$	283,137
ACL at acquisition	(11,152)
Non-credit discount	(8,694)
Purchase price	$	263,291
Non-PCD loans:
Fair value	$	1,164,675
Gross contractual amounts receivable	1,358,793
Estimate of contractual cash flows not expected to be collected	76,503

Acquisition of FMBT

On May 1, 2019, United completed the acquisition of FMBT. FMBT operated four banking offices in Athens-Clarke County, Georgia. In connection with the acquisition, United acquired $245 million of assets and assumed $213 million of liabilities. Under the terms of the merger agreement, FMBT shareholders received $52.1 million in cash. The fair value of consideration paid exceeded the fair value of the identifiable assets and liabilities acquired and resulted in the establishment of goodwill in the amount of $20.3 million, representing the intangible value of FMBT’s business and reputation within the markets it served. None of the goodwill recognized is expected to be deductible for income tax purposes. United is amortizing the related core deposit intangible of $2.80 million using the sum-of-the-years-digits method over 9.25 years, which represents the expected useful life of the asset.

The purchased assets and assumed liabilities were recorded at their acquisition date fair values and are summarized in the table below (in thousands). 

	Fair Value Recorded by United
Assets
Cash and cash equivalents	$	32,548
Loans	192,494
Premises and equipment, net	8,524
BOLI	6,823
Net deferred tax asset	157
Core deposit intangible	2,800
Other assets	1,278
Total assets acquired	244,624
Liabilities
Deposits	212,127
Other liabilities	717
Total liabilities assumed	212,844
Total identifiable net assets	31,780
Cash consideration transferred	52,093
Goodwill	$	20,313

The following table presents additional information related to the acquired loan portfolio at the acquisition date (in thousands):

	May 1, 2019
PCI loans:
Contractually required principal and interest	$	13,145
Non-accretable difference	2,517
Cash flows expected to be collected	10,628
Accretable yield	1,300
Fair value	$	9,328
Non-PCI loans:
Fair value	$	183,166
Gross contractual amounts receivable	218,855
Estimate of contractual cash flows not expected to be collected	8,826

Acquisition of Navitas

On February 1, 2018, United completed the acquisition of Navitas, a specialty lending company providing equipment finance credit services to small and medium-sized businesses nationwide. In connection with the acquisition, United acquired $393 million of assets and assumed $350 million of liabilities. Under the terms of the merger agreement, Navitas shareholders received $130 million in total consideration, of which $84.5 million was paid in cash and $45.7 million was paid in United common stock. The fair value of consideration paid exceeded the fair value of the identifiable assets and liabilities acquired and resulted in the establishment of goodwill in the amount of $87.4 million, representing the intangible value of Navitas’ business and reputation within the markets it served. None of the goodwill recognized is expected to be deductible for income tax purposes.

The purchased assets and assumed liabilities were recorded at their acquisition date fair values and are summarized in the table below (in thousands). 

	Fair Value Recorded by United
Assets
Cash and cash equivalents	$	27,700
Loans and leases, net	358,352
Premises and equipment, net	324
Net deferred tax asset	2,873
Other assets	4,051
Total assets acquired	393,300
Liabilities
Short-term borrowings	214,923
Long-term debt	119,402
Other liabilities	16,108
Total liabilities assumed	350,433
Total identifiable net assets	42,867
Consideration transferred
Cash	84,500
Common stock issued (1,443,987 shares)	45,746
Total fair value of consideration transferred	130,246
Goodwill	$	87,379

The following table presents additional information related to the acquired loan and lease portfolio at the acquisition date (in thousands).

	February 1, 2018
PCI loans:
Contractually required principal and interest	$	24,711
Non-accretable difference	5,505
Cash flows expected to be collected	19,206
Accretable yield	1,977
Fair value	$	17,229
Non-PCI loans:
Fair value	$	341,123
Gross contractual amounts receivable	389,432
Estimate of contractual cash flows not expected to be collected	8,624

In January 2018, after announcement of its intention to acquire Navitas but prior to the completion of the acquisition, United purchased $19.9 million in loans from Navitas in a transaction separate from the business combination.

Pro forma information - unaudited

The following table discloses the impact of the mergers with Three Shores, FMBT, and Navitas, since the respective acquisition dates through December 31 of the year of acquisition. The table also presents certain pro forma information as if Three Shores had been acquired January 1, 2019, FMBT had been acquired on January 1, 2018 and Navitas had been acquired on January 1, 2017. These results combine the historical results of the acquired entities with United’s consolidated statements of income and, while adjustments were made for the estimated impact of certain fair value adjustments and other acquisition-related activity, they are not necessarily indicative of what would have occurred had the acquisitions taken place in earlier years.

For purposes of pro forma information, merger-related costs incurred in the year of acquisition are excluded from the actual acquisition year results and included in the pro forma acquisition year results. As a result, merger-related costs related to the acquisition of Three Shores of $5.04 million are reflected in 2019 pro forma information and merger-related costs related to the acquisition of FMBT of $2.02 million are reflected in 2018 pro forma information. Merger-related costs related to the acquisition of Navitas of $4.98 million were previously reported in 2017 pro forma information, which is not presented in the following table.

The following table presents the actual results and pro forma information for the periods indicated (in thousands).

	(Unaudited) Year Ended December 31,
	Revenue		Net Income
2020
Actual Three Shores results included in statement of income since acquisition date	$	24,541	$	6,800
Supplemental consolidated pro forma as if Three Shores had been acquired January 1, 2019	597,729		168,717
2019
Actual FMBT results included in statement of income since acquisition date	$	7,525	$	4,053
Supplemental consolidated pro forma as if Three Shores had been acquired on January 1, 2019 and FMBT had been acquired January 1, 2018	636,079		210,232
2018
Actual Navitas results included in the statement of income since acquisition date	$	24,285	$	7,149
Supplemental consolidated pro forma as if FMBT had been acquired January 1, 2018 and Navitas had been acquired January 1, 2017	539,152		171,218

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Cash Flows

12 Months Ended

Dec. 31, 2020

Supplemental Cash Flow Elements [Abstract]

Cash Flows

Cash Flows

During 2020, 2019 and 2018, loans having a value of $822,000, $1.17 million and $3.02 million, respectively, were transferred to foreclosed property.

United accounts for sales of SBA/USDA loans on the trade date. At December 31, 2020 United had no unsettled sales of SBA/USDA loans. At December 31, 2019 and 2018, United had unsettled sales of SBA/USDA loans of $8.19 million and $32.9 million, respectively.

During 2020, United acquired, through a business combination, assets with a fair value totaling $2.17 billion and liabilities with a fair value totaling $1.99 billion, for net assets acquired of $188 million. Common stock issued pursuant to this business combination totaled $164 million.

During 2019, United acquired, through a business combination, assets with a fair value totaling $265 million and liabilities with a fair value totaling $213 million, for net assets acquired of $52.1 million.

During 2018, United acquired, through a business combination, assets with a fair value totaling $481 million and liabilities with a fair value totaling $350 million, for net assets acquired of $130 million. Common stock issued pursuant to this business combination totaled $45.7 million.

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Investment Securities

12 Months Ended

Dec. 31, 2020

Investments, Debt and Equity Securities [Abstract]

Investment Securities

Investment Securities

At December 31, 2020 and 2019, securities with a carrying value of $1.11 billion and $918 million, respectively, were pledged to secure public deposits, derivatives and other secured borrowings.

The cost basis, unrealized gains and losses, and fair value of debt securities held-to-maturity as of the dates indicated are as follows (in thousands): 

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
As of December 31, 2020
U.S. Government agencies & GSEs	$	10,575	$	26	$	11	$	10,590
State and political subdivisions	197,723		7,658		242		205,139
Residential mortgage-backed, Agency & GSE	113,400		4,774		1		118,173
Commercial mortgage-backed, Agency & GSE	98,663		4,874		246		103,291
Total	$	420,361	$	17,332	$	500	$	437,193
As of December 31, 2019
State and political subdivisions	$	45,479	$	1,574	$	9	$	47,044
Residential mortgage-backed, Agency & GSE	153,967		2,014		694		155,287
Commercial mortgage-backed, Agency & GSE	84,087		1,627		141		85,573
Total	$	283,533	$	5,215	$	844	$	287,904

The cost basis, unrealized gains and losses, and fair value of debt securities available-for-sale as of the dates indicated are as follows (in thousands):

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
As of December 31, 2020
U.S. Treasuries	$	123,677	$	4,395	$	—	$	128,072
U.S. Government agencies & GSEs	152,596		701		325		152,972
State and political subdivisions	253,630		20,891		49		274,472
Residential mortgage-backed, Agency & GSE	1,275,551		29,107		766		1,303,892
Residential mortgage-backed, Non-agency	174,322		7,499		128		181,693
Commercial mortgage-backed, Agency & GSE	524,852		8,013		597		532,268
Commercial mortgage-backed, Non-agency	15,350		1,513		—		16,863
Corporate bonds	70,057		1,711		1		71,767
Asset-backed securities	562,076		1,278		632		562,722
Total	$	3,152,111	$	75,108	$	2,498	$	3,224,721
As of December 31, 2019
U.S. Treasuries	$	152,990	$	1,628	$	—	$	154,618
U.S. Government agencies & GSEs	2,848		188		1		3,035
State and political subdivisions	214,677		11,813		—		226,490
Residential mortgage-backed, Agency & GSE	1,030,948		12,022		726		1,042,244
Residential mortgage-backed, Non-agency	250,550		6,231		—		256,781
Commercial mortgage-backed, Agency & GSE	266,770		2,261		128		268,903
Commercial mortgage-backed, Non-agency	15,395		918		263		16,050
Corporate bonds	202,131		1,178		218		203,091
Asset-backed securities	104,298		743		1,672		103,369
Total	$	2,240,607	$	36,982	$	3,008	$	2,274,581

At year-end 2020 and 2019, there were no holdings of debt obligations of any one issuer, other than the U.S. Government and its agencies, in an amount greater than 10% of shareholders’ equity.

The following summarizes debt securities held-to-maturity in an unrealized loss position as of the dates indicated (in thousands):

	Less than 12 Months				12 Months or More				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
As of December 31, 2020
U.S. Government agencies & GSEs	$	4,677	$	11	$	—	$	—	$	4,677	$	11
State and political subdivisions	14,870		242		—		—		14,870		242
Residential mortgage-backed, Agency & GSE	999		1		—		—		999		1
Commercial mortgage-backed, Agency & GSE	24,956		236		1,352		10		26,308		246
Total unrealized loss position	$	45,502	$	490	$	1,352	$	10	$	46,854	$	500
As of December 31, 2019
State and political subdivisions	$	10,117	$	9	$	—	$	—	$	10,117	$	9
Residential mortgage-backed, Agency & GSE	16,049		64		48,237		630		64,286		694
Commercial mortgage-backed, Agency & GSE	21,841		87		1,685		54		23,526		141
Total unrealized loss position	$	48,007	$	160	$	49,922	$	684	$	97,929	$	844

The following summarizes debt securities available-for-sale in an unrealized loss position as of the dates indicated (in thousands):

	Less than 12 Months				12 Months or More				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
As of December 31, 2020
U.S. Government agencies & GSEs	$	27,952	$	324	$	607	$	1	$	28,559	$	325
State and political subdivisions	9,402		49		—		—		9,402		49
Residential mortgage-backed, Agency & GSE	232,199		766		—		—		232,199		766
Residential mortgage-backed, Non-agency	2,331		128		—		—		2,331		128
Commercial mortgage-backed, Agency & GSE	89,918		597		—		—		89,918		597
Corporate bonds	1,410		1		—		—		1,410		1
Asset-backed securities	87,305		28		53,587		604		140,892		632
Total unrealized loss position	$	450,517	$	1,893	$	54,194	$	605	$	504,711	$	2,498
As of December 31, 2019
U.S. Government agencies & GSEs	$	404	$	1	$	—	$	—	$	404	$	1
Residential mortgage-backed, Agency & GSE	228,611		576		18,294		150		246,905		726
Commercial mortgage-backed, Agency & GSE	—		—		33,517		128		33,517		128
Commercial mortgage-backed, Non-agency	—		—		4,864		263		4,864		263
Corporate bonds	19,742		216		998		2		20,740		218
Asset-backed securities	32,294		625		38,990		1,047		71,284		1,672
Total unrealized loss position	$	281,051	$	1,418	$	96,663	$	1,590	$	377,714	$	3,008

At December 31, 2020, there were 72 debt securities available-for-sale and 13 debt securities held-to-maturity that were in an unrealized loss position. Management does not intend to sell nor believes it will be required to sell securities in an unrealized loss position prior to the recovery of its amortized cost basis. Unrealized losses at December 31, 2020 and 2019 were primarily attributable to changes in interest rates.

At adoption of ASC 326 on January 1, 2020 and at December 31, 2020, calculated credit losses and, thus, the related ACL on held-to-maturity debt securities were not material due to the high credit quality of the portfolio. As a result, no ACL was recorded on the held-to-maturity portfolio at December 31, 2020. In addition, based on the assessment performed as of December 31, 2020, there was no ACL required related to the available-for-sale portfolio. See Note 1 for additional details on the adoption of ASC 326 as it relates to the securities portfolio.

Prior to the adoption of ASC 326, management evaluated securities for other-than-temporary impairment at least on a quarterly basis, and more frequently when economic or market concerns warranted such evaluation. Consideration was given to the length of time and the extent to which the fair value had been less than cost, the financial condition and near-term prospects of the issuer, among other factors. In analyzing an issuer’s financial condition, management considered whether the securities were issued by the federal government or its agencies, whether downgrades by bond rating agencies had occurred, and industry analyst’s reports. No impairment charges were recognized during 2019 or 2018.

Realized gains and losses are derived using the specific identification method for determining the cost of the securities sold. The following summarizes securities sales activities for the years ended December 31 (in thousands): 

	2020		2019		2018
Proceeds from sales	$	40,625	$	352,106	$	168,891
Gross gains on sales	$	748	$	1,843	$	2,082
Gross losses on sales	—		(2,864)		(2,738)
Net gains (losses) on sales of securities	$	748	$	(1,021)	$	(656)
Income tax expense (benefit) attributable to sales	$	191	$	(247)	$	(132)

The amortized cost and fair value of debt available-for-sale and held-to-maturity securities at December 31, 2020, by contractual maturity, are presented in the following table (in thousands). Expected maturities may differ from contractual maturities because issuers and borrowers may have the right to call or prepay obligations. 

	Available-for-Sale				Held-to-Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Within 1 year:
U.S. Treasuries	$	20,014	$	20,311	$	—	$	—
U.S. Government agencies & GSEs	201		201		—		—
State and political subdivisions	20,020		20,232		1,700		1,743
Corporate bonds	11,441		11,592		—		—
	51,676		52,336		1,700		1,743
1 to 5 years:
U.S. Treasuries	103,663		107,761		—		—
U.S. Government agencies & GSEs	16,710		16,820		—		—
State and political subdivisions	48,354		51,544		14,505		16,059
Corporate bonds	44,636		45,837		—		—
	213,363		221,962		14,505		16,059
5 to 10 years:
U.S. Government agencies & GSEs	55,588		55,481		—		—
State and political subdivisions	59,837		64,843		7,028		7,957
Corporate bonds	13,206		13,485		—		—
	128,631		133,809		7,028		7,957
More than 10 years:
U.S. Government agencies & GSEs	80,097		80,470		10,575		10,590
State and political subdivisions	125,419		137,853		174,490		179,380
Corporate bonds	774		853		—		—
	206,290		219,176		185,065		189,970
Debt securities not due at a single maturity:
Asset-backed securities	562,076		562,722		—		—
Residential mortgage-backed securities	1,449,873		1,485,585		113,400		118,173
Commercial mortgage-backed securities	540,202		549,131		98,663		103,291
Total	$	3,152,111	$	3,224,721	$	420,361	$	437,193

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Loans and Leases and Allowance for Credit Losses

12 Months Ended

Dec. 31, 2020

Receivables [Abstract]

Loans and Leases and Allowance for Credit Losses

Loans and Leases and Allowance for Credit Losses

Major classifications of the loan and lease portfolio (collectively referred to as the “loan portfolio” or “loans”) are summarized as of the dates indicated as follows (in thousands):

	December 31,
	2020		2019
Owner occupied commercial real estate	$	2,090,443	$	1,720,227
Income producing commercial real estate	2,540,750		2,007,950
Commercial & industrial(1)	2,498,560		1,220,657
Commercial construction	967,305		976,215
Equipment financing	863,830		744,544
Total commercial	8,960,888		6,669,593
Residential mortgage	1,284,920		1,117,616
Home equity lines of credit	697,117		660,675
Residential construction	281,430		236,437
Consumer	146,460		128,232
Total loans	11,370,815		8,812,553
Less ACL - loans	(137,010)		(62,089)
Loans, net	$	11,233,805	$	8,750,464

(1) Commercial and industrial loans as of December 31, 2020 included $646 million of PPP loans.

At December 31, 2020 and 2019, $2.18 million and $1.30 million, respectively, in overdrawn deposit accounts were reclassified as consumer loans.

At December 31, 2020, the loan portfolio was subject to blanket pledges on certain qualifying loan types with the FHLB and FRB to secure contingent funding sources.

The following table presents loans sold by United for the periods presented (in thousands). The gains and losses on these loan sales were included in noninterest income on the consolidated statements of income.

	Loans Sold
	2020		2019		2018
Guaranteed portion of SBA/USDA loans	$	48,385	$	81,158	$	120,977
Equipment financing receivables	27,018		30,952		—
Indirect auto loans	—		102,789		—
Total	$	75,403	$	214,899	$	120,977

At December 31, 2020 and 2019, equipment financing assets included leases of $36.8 million and $37.4 million, respectively. The components of the net investment in leases, which included both sales-type and direct financing, are presented below (in thousands). 

	December 31,
	2020		2019
Minimum future lease payments receivable	$	38,934	$	39,709
Estimated residual value of leased equipment	3,263		3,631
Initial direct costs	672		842
Security deposits	(727)		(989)
Purchase accounting premium	117		273
Unearned income	(5,457)		(6,088)
Net investment in leases	$	36,802	$	37,378

Minimum future lease payments expected to be received from equipment financing lease contracts as of December 31, 2020 were as follows (in thousands): 

Year
2021	$	15,152
2022	11,516
2023	7,452
2024	3,429
2025	1,341
Thereafter	44
Total	$	38,934

Nonaccrual and Past Due Loans

The following table presents the amortized cost basis in loans by aging category and accrual status as of December 31, 2020 (in thousands). Short-term deferrals of approximately $70.7 million related to the COVID-19 crisis are not reported as past due during the deferral period.

	Accruing
			Loans Past Due
	Current Loans		30 - 59 Days		60 - 89 Days		> 90 Days		Nonaccrual Loans		Total Loans
As of December 31, 2020
Owner occupied commercial real estate	$	2,079,845	$	2,013	$	3	$	—	$	8,582	$	2,090,443
Income producing commercial real estate	2,522,743		1,608		1,250		—		15,149		2,540,750
Commercial & industrial	2,480,483		1,176		267		—		16,634		2,498,560
Commercial construction	964,947		231		382		—		1,745		967,305
Equipment financing	856,985		2,431		1,009		—		3,405		863,830
Total commercial	8,905,003		7,459		2,911		—		45,515		8,960,888
Residential mortgage	1,265,019		5,549		1,494		—		12,858		1,284,920
Home equity lines of credit	692,504		1,942		184		—		2,487		697,117
Residential construction	280,551		365		—		—		514		281,430
Consumer	145,770		429		36		—		225		146,460
Total loans	$	11,288,847	$	15,744	$	4,625	$	—	$	61,599	$	11,370,815

The following table presents the aging of recorded investment in loans, including accruing and nonaccrual loans, as of December 31, 2019 (in thousands).

	Loans Past Due - Accrual and Non-accrual
As of December 31, 2019	30 - 59 Days		60 - 89 Days		> 90 Days (1)		Total		Current Loans		PCI Loans		Total
Owner occupied commercial real estate	$	2,913	$	2,007	$	6,079	$	10,999	$	1,700,682	$	8,546	$	1,720,227
Income producing commercial real estate	562		706		401		1,669		1,979,053		27,228		2,007,950
Commercial & industrial	2,140		491		2,119		4,750		1,215,581		326		1,220,657
Commercial construction	1,867		557		96		2,520		966,833		6,862		976,215
Equipment financing	2,065		923		3,045		6,033		734,526		3,985		744,544
Total commercial	9,547		4,684		11,740		25,971		6,596,675		46,947		6,669,593
Residential mortgage	5,655		2,212		2,171		10,038		1,097,999		9,579		1,117,616
Home equity lines of credit	1,697		421		1,385		3,503		655,762		1,410		660,675
Residential construction	325		125		402		852		235,211		374		236,437
Consumer	668		181		27		876		127,020		336		128,232
Total loans	$	17,892	$	7,623	$	15,725	$	41,240	$	8,712,667	$	58,646	$	8,812,553

(1) Excluding PCI loans, substantially all loans more than 90 days past due were on nonaccrual status at December 31, 2019.

The following table presents nonaccrual loans by loan class for the periods indicated (in thousands). 

	Nonaccrual loans
	CECL						Incurred Loss
	December 31, 2020						December 31, 2019
	With no allowance		With an allowance		Total
Owner occupied commercial real estate	$	6,614	$	1,968	$	8,582	$	10,544
Income producing commercial real estate	10,008		5,141		15,149		1,996
Commercial & industrial	2,004		14,630		16,634		2,545
Commercial construction	1,339		406		1,745		2,277
Equipment financing	156		3,249		3,405		3,141
Total commercial	20,121		25,394		45,515		20,503
Residential mortgage	1,855		11,003		12,858		10,567
Home equity lines of credit	1,329		1,158		2,487		3,173
Residential construction	274		240		514		939
Consumer	181		44		225		159
Total	$	23,760	$	37,839	$	61,599	$	35,341

The gross additional interest revenue that would have been earned if the loans classified as nonaccrual had performed in accordance with the original terms was approximately $2.86 million, $1.26 million, and $1.09 million for 2020, 2019, and 2018, respectively.

Risk Ratings

United categorizes commercial loans, with the exception of equipment financing receivables, into risk categories based on relevant information about the ability of borrowers to service their debt such as: current financial information, historical payment experience, credit documentation, public information, and current industry and economic trends, among other factors. United analyzes loans individually by classifying the loans as to credit risk. This analysis is performed on a continual basis. United uses the following definitions for its risk ratings:

Pass. Loans in this category are considered to have a low probability of default and do not meet the criteria of the risk categories below.

Watch. Loans in this category are presently protected from apparent loss, however weaknesses exist that could cause future impairment, including the deterioration of financial ratios, past due status and questionable management capabilities. These loans require more than the ordinary amount of supervision. Collateral values generally afford adequate coverage, but may not be immediately marketable.

Substandard. These loans are inadequately protected by the current net worth and paying capacity of the obligor or by the collateral pledged. Specific and well-defined weaknesses exist that may include poor liquidity and deterioration of financial ratios. The loan may be past due and related deposit accounts experiencing overdrafts. There is the distinct possibility that United will sustain some loss if deficiencies are not corrected. If possible, immediate corrective action is taken.

Doubtful. Specific weaknesses characterized as Substandard that are severe enough to make collection in full highly questionable and improbable. There is no reliable secondary source of full repayment.

Loss. Loans categorized as Loss have the same characteristics as Doubtful; however probability of loss is certain. Loans classified as Loss are charged off.

Equipment Financing Receivables and Consumer Purpose Loans. United applies a pass / fail grading system to all equipment financing receivables and consumer purpose loans. Under this system, loans that are on nonaccrual status, become past due 90 days or are in bankruptcy are classified as “fail” and all other loans are classified as “pass”. For reporting purposes, loans classified as “fail” are reported as “substandard” and all other loans are reported as “pass”.

Based on the most recent analysis performed, the amortized cost of loans by risk category by vintage year as of December 31, 2020 is as follows (in thousands):

	Term Loans by Origination Year												Revolvers		Revolvers converted to term loans		Total
December 31, 2020	2020		2019		2018		2017		2016		Prior
Pass
Owner occupied commercial real estate	$	707,501	$	368,615	$	231,316	$	197,778	$	201,362	$	229,667	$	56,273	$	9,072	$	2,001,584
Income producing commercial real estate	815,799		376,911		361,539		277,769		206,068		198,080		28,542		12,128		2,276,836
Commercial & industrial	1,092,767		287,857		263,439		115,790		92,968		58,359		515,593		3,777		2,430,550
Commercial construction	314,154		217,643		226,308		53,708		30,812		21,985		20,278		3,947		888,835
Equipment financing	413,653		270,664		125,869		39,982		9,404		445		—		—		860,017
Total commercial	3,343,874		1,521,690		1,208,471		685,027		540,614		508,536		620,686		28,924		8,457,822
Residential mortgage	468,945		195,213		125,492		120,944		122,013		230,771		18		5,393		1,268,789
Home equity lines of credit	—		—		—		—		—		—		675,878		17,581		693,459
Residential construction	225,727		30,646		4,026		4,544		3,172		12,546		—		64		280,725
Consumer	54,997		25,528		14,206		4,531		3,595		1,677		41,445		76		146,055
	4,093,543		1,773,077		1,352,195		815,046		669,394		753,530		1,338,027		52,038		10,846,850
Watch
Owner occupied commercial real estate	8,759		4,088		4,221		10,025		11,138		4,728		100		—		43,059
Income producing commercial real estate	35,471		42,831		39,954		13,238		24,164		11,337		—		1,681		168,676
Commercial & industrial	1,451		16,315		2,176		630		459		17		6,464		—		27,512
Commercial construction	21,366		272		816		23,292		11,775		477		—		—		57,998
Equipment financing	—		—		—		—		—		—		—		—		—
Total commercial	67,047		63,506		47,167		47,185		47,536		16,559		6,564		1,681		297,245
Residential mortgage	—		—		—		—		—		—		—		—		—
Home equity lines of credit	—		—		—		—		—		—		—		—		—
Residential construction	—		—		—		—		—		—		—		—		—
Consumer	—		—		—		—		—		—		—		—		—
	67,047		63,506		47,167		47,185		47,536		16,559		6,564		1,681		297,245
Substandard
Owner occupied commercial real estate	6,586		10,473		7,596		3,717		6,753		8,473		1,528		674		45,800
Income producing commercial real estate	45,125		8,940		2,179		5,034		31,211		2,652		—		97		95,238
Commercial & industrial	1,545		5,536		6,193		1,684		1,292		1,485		22,170		593		40,498
Commercial construction	2,466		735		13,741		340		1,931		250		—		1,009		20,472
Equipment financing	631		1,392		1,371		306		96		17		—		—		3,813
Total commercial	56,353		27,076		31,080		11,081		41,283		12,877		23,698		2,373		205,821
Residential mortgage	2,049		2,106		3,174		1,369		679		5,860		—		894		16,131
Home equity lines of credit	—		—		—		—		—		—		265		3,393		3,658
Residential construction	106		37		54		4		124		380		—		—		705
Consumer	—		97		49		60		78		98		—		23		405
	58,508		29,316		34,357		12,514		42,164		19,215		23,963		6,683		226,720
Total	$	4,219,098	$	1,865,899	$	1,433,719	$	874,745	$	759,094	$	789,304	$	1,368,554	$	60,402	$	11,370,815

The following table presents the risk category of loans by class of loan as of December 31, 2019 (in thousands):

As of December 31, 2019	Pass		Watch		Substandard		Doubtful / Loss		Total
Owner occupied commercial real estate	$	1,638,398	$	24,563	$	48,720	$	—	$	1,711,681
Income producing commercial real estate	1,914,524		40,676		25,522		—		1,980,722
Commercial & industrial	1,156,366		16,385		47,580		—		1,220,331
Commercial construction	960,251		2,298		6,804		—		969,353
Equipment financing	737,418		—		3,141		—		740,559
Total commercial	6,406,957		83,922		131,767		—		6,622,646
Residential mortgage	1,093,902		—		14,135		—		1,108,037
Home equity lines of credit	654,619		—		4,646		—		659,265
Residential construction	234,791		—		1,272		—		236,063
Consumer	127,507		8		381		—		127,896
Total loans, excluding PCI loans	8,517,776		83,930		152,201		—		8,753,907
Owner occupied commercial real estate	3,238		2,797		2,511		—		8,546
Income producing commercial real estate	19,648		6,305		1,275		—		27,228
Commercial & industrial	104		81		141		—		326
Commercial construction	3,628		590		2,644		—		6,862
Equipment financing	3,952		—		33		—		3,985
Total commercial	30,570		9,773		6,604		—		46,947
Residential mortgage	8,112		—		1,467		—		9,579
Home equity lines of credit	1,350		—		60		—		1,410
Residential construction	348		—		26		—		374
Consumer	303		—		33		—		336
Total PCI loans	40,683		9,773		8,190		—		58,646
Total loan portfolio	$	8,558,459	$	93,703	$	160,391	$	—	$	8,812,553

At December 31, 2019, the carrying value and outstanding balance of PCI loans was $58.6 million and $83.1 million, respectively. The following table presents changes in the value of the accretable yield for PCI loans for the year ended December 31, 2019 (in thousands):

Balance at beginning of period	$	26,868
Additions due to acquisitions	1,300
Accretion	(17,885)
Reclassification from nonaccretable difference	9,237
Changes in expected cash flows that do not affect nonaccretable difference	4,400
Balance at end of period	$	23,920

Troubled Debt Restructurings and Other Modifications

As of December 31, 2020 and 2019, United had TDRs totaling $61.6 million and $54.2 million, respectively. As of December 31, 2020, United had remaining short-term deferrals related to the COVID-19 crisis of approximately $70.7 million, which generally represented payment deferrals for up to 90 days. To the extent that these deferrals qualified under either the CARES Act or interagency guidance, they were not considered new TDRs.

Loans modified under the terms of a TDR during the years ended December 31 are presented in the table below. In addition, the following table presents loans modified under the terms of a TDR that defaulted (became 90 days or more delinquent) during the years ended December 31 that were initially restructured within one year prior to default (dollars in thousands):

	New TDRs
	Number of Contracts	Post-Modification Outstanding Recorded Investment by Type of Modification								TDRs Modified Within the Year That Have Subsequently Defaulted
Year Ended December 31, 2020		Rate Reduction		Structure		Other		Total		Number of Contracts	Recorded Investment
Owner occupied commercial real estate	8	$	—	$	833	$	1,536	$	2,369	—	$	—
Income producing commercial real estate	7	—		4,856		6,699		11,555		1	5,998
Commercial & industrial	4	—		586		15		601		3	819
Commercial construction	7	—		832		70		902		—	—
Equipment financing	172	—		5,821				5,821		22	944
Total commercial	198	—		12,928		8,320		21,248		26	7,761
Residential mortgage	40	—		4,359		3		4,362		2	145
Home equity lines of credit	4	—		164		—		164		1	60
Residential construction	3	—		123		—		123		—	—
Consumer	7	—		11		24		35		1	3
Total loans	252	$	—	$	17,585	$	8,347	$	25,932	30	$	7,969
Year Ended December 31, 2019
Owner occupied commercial real estate	4	$	—	$	1,739	$	—	$	1,739	—	$	—
Income producing commercial real estate	3	—		9,013		—		9,013		—	—
Commercial & industrial	2	—		75		7		82		—	—
Commercial construction	—	—		—		—		—		—	—
Equipment financing	9	—		1,071		—		1,071		—	—
Total commercial	18	—		11,898		7		11,905		—	—
Residential mortgage	15	—		2,057		—		2,057		1	135
Home equity lines of credit	1	—		50		—		50		—	—
Residential construction	1	—		—		21		21		1	13
Consumer	5	—		—		45		45		—	—
Indirect auto	15	—		—		262		262		—	—
Total loans	55	$	—	$	14,005	$	335	$	14,340	2	$	148
Year Ended December 31, 2018
Owner occupied commercial real estate	5	$	—	$	1,387	$	—	$	1,387	3	$	1,869
Income producing commercial real estate	2	106		3,637		—		3,743		—	—
Commercial & industrial	2	—		32		—		32		1	232
Commercial construction	—	—		—		—		—		1	3
Equipment financing	—	—		—		—		—		—	—
Total commercial	9	106		5,056		—		5,162		5	2,104
Residential mortgage	15	130		1,770		—		1,900		1	101
Home equity lines of credit	1	—		—		41		41		—	—
Residential construction	2	—		32		13		45		—	—
Consumer	2	—		—		7		7		—	—
Indirect auto	35	—		—		643		643		—	—
Total loans	64	$	236	$	6,858	$	704	$	7,798	6	$	2,205

Allowance for Credit Losses

The following table presents the balance and activity in the ACL by portfolio segment for the periods indicated (in thousands): 

	CECL
Year Ended December 31, 2020	Dec. 31, 2019		Adoption of CECL		Jan. 1, 2020		Initial ACL- PCD loans(1)		Charge-Offs		Recoveries		Provision		Ending Balance
Owner occupied commercial real estate	$	11,404	$	(1,616)	$	9,788	$	1,779	$	(70)	$	2,565	$	6,611	$	20,673
Income producing commercial real estate	12,306		(30)		12,276		1,208		(8,430)		3,546		33,137		41,737
Commercial & industrial	5,266		4,012		9,278		7,680		(10,707)		1,371		14,397		22,019
Commercial construction	9,668		(2,583)		7,085		74		(726)		1,045		3,474		10,952
Equipment financing	7,384		5,871		13,255		—		(8,764)		2,004		10,325		16,820
Residential mortgage	8,081		1,569		9,650		195		(398)		455		5,439		15,341
Home equity lines of credit	4,575		1,919		6,494		209		(221)		677		1,258		8,417
Residential construction	2,504		(1,771)		733		—		(93)		156		(32)		764
Consumer	901		(491)		410		7		(2,985)		2,259		596		287
ACL - loans	62,089		6,880		68,969		11,152		(32,394)		14,078		75,205		137,010
ACL - unfunded commitments	3,458		1,871		5,329		—		—		—		5,229		10,558
Total ACL	$	65,547	$	8,751	$	74,298	$	11,152	$	(32,394)	$	14,078	$	80,434	$	147,568

(1) Represents the initial ACL related to PCD loans acquired in the Three Shores transaction.

	Incurred Loss
Year Ended December 31, 2019	Beginning Balance		Charge-Offs		Recoveries		Provision		Ending Balance
Owner occupied commercial real estate	$	12,207	$	(5)	$	375	$	(1,173)	$	11,404
Income producing commercial real estate	11,073		(1,227)		283		2,177		12,306
Commercial & industrial	4,802		(5,849)		852		5,461		5,266
Commercial construction	10,337		(290)		1,165		(1,544)		9,668
Equipment financing	5,452		(5,675)		781		6,826		7,384
Residential mortgage	8,295		(616)		481		(79)		8,081
Home equity lines of credit	4,752		(996)		610		209		4,575
Residential construction	2,433		(306)		157		220		2,504
Consumer	853		(2,390)		911		1,527		901
Indirect auto	999		(663)		186		(522)		—
ACL - loans	61,203		(18,017)		5,801		13,102		62,089
ACL - unfunded commitments	3,410		—		—		48		3,458
Total ACL	$	64,613	$	(18,017)	$	5,801	$	13,150	$	65,547

	Incurred Loss
Year Ended December 31, 2018	Beginning Balance		Charge-Offs		Recoveries		Provision		Ending Balance
Owner occupied commercial real estate	$	14,776	$	(303)	$	1,227	$	(3,493)	$	12,207
Income producing commercial real estate	9,381		(3,304)		1,064		3,932		11,073
Commercial & industrial	3,971		(1,669)		1,390		1,110		4,802
Commercial construction	10,523		(622)		734		(298)		10,337
Equipment financing	—		(1,536)		460		6,528		5,452
Residential mortgage	10,097		(754)		336		(1,384)		8,295
Home equity lines of credit	5,177		(1,194)		423		346		4,752
Residential construction	2,729		(54)		376		(618)		2,433
Consumer	710		(2,445)		807		1,781		853
Indirect auto	1,550		(1,277)		228		498		999
ACL - loans	58,914		(13,158)		7,045		8,402		61,203
ACL - unfunded commitments	2,312		—		—		1,098		3,410
Total ACL	$	61,226	$	(13,158)	$	7,045	$	9,500	$	64,613

As of January 1, 2020 and December 31, 2020, United used a discounted cash flow methodology applied at a loan level with a one-year reasonable and supportable forecast period. Expected credit loss rates were estimated using a regression model based on historical data from peer banks which incorporates a third party vendor’s economic forecast to predict the change in credit losses. These results were then combined with a starting value that was based on United’s recent default experience, which was adjusted for select portfolios based on expectations of future performance. At December 31, 2020, the third party vendor’s forecast, which was representative of a baseline scenario, captured the recent challenging economic environment that included high levels of unemployment, but also indicated mild improvement in the short term. The increase in the ACL compared to January 1, 2020 was primarily attributable to the worsening trends in the forecast at December 31, 2020 compared to the beginning of 2020, with the primary economic forecast driver being the change in unemployment claims due to policy decisions made in response to the COVID-19 pandemic. At December 31, 2020, United adjusted the economic forecast by eliminating the initial spike in unemployment evidenced in the first half of the year to account for the impact of government stimulus programs. In addition, United used a model overlay for the economic forecast for residential mortgage loans to better align losses in that portfolio to current conditions.

For periods beyond the reasonable and supportable forecast period of one year, United reverted to historical credit loss information on a straight line basis over two years. For all collateral types excluding residential mortgage, United reverted to through-the-cycle average default rates using peer data from 2000 to 2017. For loans secured by residential mortgages, the peer data was adjusted for changes in lending practices designed to prevent the magnitude of losses observed during the mortgage crisis.

PPP loans were considered low risk assets due to the related 100% guarantee by the SBA and were therefore excluded from the calculation.

Disaggregation of Incurred Loss Impairment Methodology

The following table presents the recorded investment in loans by portfolio segment and the balance of the ACL assigned to each segment based on the method of evaluating the loans for impairment as of December 31, 2019 (in thousands): 

	Loans Outstanding								Allowance for Credit Losses
	Individually evaluated for impairment		Collectively evaluated for impairment		PCI		Ending Balance		Individually evaluated for impairment		Collectively evaluated for impairment		PCI		Ending Balance
Owner occupied commercial real estate	$	19,233	$	1,692,448	$	8,546	$	1,720,227	$	816	$	10,483	$	105	$	11,404
Income producing commercial real estate	18,134		1,962,588		27,228		2,007,950		770		11,507		29		12,306
Commercial & industrial	1,449		1,218,882		326		1,220,657		21		5,193		52		5,266
Commercial construction	3,675		965,678		6,862		976,215		55		9,613		—		9,668
Equipment financing	1,027		739,532		3,985		744,544		—		7,240		144		7,384
Residential mortgage	15,991		1,092,046		9,579		1,117,616		782		7,296		3		8,081
Home equity lines of credit	992		658,273		1,410		660,675		16		4,541		18		4,575
Residential construction	1,256		234,807		374		236,437		47		2,456		1		2,504
Consumer	214		127,682		336		128,232		5		885		11		901
Total ACL - loans	$	61,971	$	8,691,936	$	58,646	$	8,812,553	2,512		59,214		363		62,089
ACL - unfunded commitments									—		3,458		—		3,458
Total ACL									$	2,512	$	62,672	$	363	$	65,547

The following table presents loans individually evaluated for impairment by class of loans as of the dates indicated (in thousands):

	December 31, 2019
	Unpaid Principal Balance		Recorded Investment		ACL Allocated
With no related ACL recorded:
Owner occupied commercial real estate	$	9,527	$	8,118	$	—
Income producing commercial real estate	5,159		4,956		—
Commercial & industrial	1,144		890		—
Commercial construction	2,458		2,140		—
Equipment financing	1,027		1,027		—
Total commercial	19,315		17,131		—
Residential mortgage	7,362		6,436		—
Home equity lines of credit	1,116		861		—
Residential construction	731		626		—
Consumer	66		53		—
Total with no related ACL recorded	28,590		25,107		—
With an ACL recorded:
Owner occupied commercial real estate	11,136		11,115		816
Income producing commercial real estate	13,591		13,178		770
Commercial & industrial	559		559		21
Commercial construction	1,535		1,535		55
Equipment financing	—		—		—
Total commercial	26,821		26,387		1,662
Residential mortgage	9,624		9,555		782
Home equity lines of credit	146		131		16
Residential construction	643		630		47
Consumer	161		161		5
Total with an ACL recorded	37,395		36,864		2,512
Total	$	65,985	$	61,971	$	2,512

The average balances of impaired loans and income recognized on impaired loans while they were considered impaired is presented below for the periods indicated (in thousands): 

	2019						2018
	Average Balance		Interest Revenue Recognized During Impairment		Cash Basis Interest Revenue Received		Average Balance		Interest Revenue Recognized During Impairment		Cash Basis Interest Revenue Received
Owner occupied commercial real estate	$	18,575	$	1,124	$	1,171	$	19,881	$	1,078	$	1,119
Income producing commercial real estate	14,253		739		730		17,138		893		895
Commercial & industrial	1,837		84		100		1,777		100		100
Commercial construction	3,233		129		146		3,247		176		174
Equipment financing	159		23		23		—		—		—
Total commercial	38,057		2,099		2,170		42,043		2,247		2,288
Residential mortgage	16,115		748		749		14,515		641		643
Home equity lines of credit	488		14		15		284		18		16
Residential construction	1,332		92		94		1,405		96		95
Consumer	203		15		15		249		18		18
Indirect auto	1,028		50		50		1,252		64		64
Total	$	57,223	$	3,018	$	3,093	$	59,748	$	3,084	$	3,124

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Premises and Equipment

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Premises and Equipment

Premises and Equipment

Premises and equipment are summarized as follows as of the dates indicated (in thousands): 

	December 31,
	2020		2019
Land and land improvements	$	82,816	$	81,150
Buildings and improvements	173,497		170,629
Furniture and equipment	96,157		97,997
Construction in progress	7,590		1,701
	360,060		351,477
Less accumulated depreciation	(141,571)		(135,501)
Premises and equipment, net	$	218,489	$	215,976

Depreciation expense was $15.6 million, $15.3 million and $14.2 million for 2020, 2019 and 2018, respectively.

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Derivatives and Hedging Activities

12 Months Ended

Dec. 31, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives and Hedging Activities

Derivatives and Hedging Activities

The table below presents the fair value of derivative financial instruments as of the dates indicated as well as their classification on the consolidated balance sheets (in thousands):

	December 31, 2020						December 31, 2019
	Notional Amount		Fair Value				Fair Value
			Derivative Assets		Derivative Liabilities		Derivative Assets		Derivative Liabilities
Derivatives designated as hedging instruments:
Cash flow hedge of subordinated debt	$	100,000	$	3,378	$	—	$	—	$	—
Cash flow hedge of trust preferred securities	20,000		—		—		—		—
Fair value hedge of brokered CDs	20,000		—		—		—		880
Total	140,000		3,378		—		—		880
Derivatives not designated as hedging instruments:
Customer derivative positions	1,329,271		72,508		17		27,277		446
Dealer offsets to customer derivative positions	1,329,271		1		24,614		394		6,425
Risk participations	48,843		28		12		—		12
Mortgage banking - loan commitment	253,243		10,751		—		1,970		—
Mortgage banking - forward sales commitment	325,145		—		1,964		98		86
Bifurcated embedded derivatives	51,935		—		1,449		5,268		—
Dealer offsets to bifurcated embedded derivatives	51,935		—		947		—		7,667
Total	3,389,643		83,288		29,003		35,007		14,636
Total derivatives	$	3,529,643	$	86,666	$	29,003	$	35,007	$	15,516
Total gross derivative instruments			$	86,666	$	29,003	$	35,007	$	15,516
Less: Amounts subject to master netting agreements			(114)		(114)		(401)		(401)
Less: Cash collateral received/pledged			(3,200)		(27,092)		—		(14,933)
Net amount			$	83,352	$	1,797	$	34,606	$	182

United clears certain derivatives centrally through the CME. CME rules legally characterize variation margin payments for centrally cleared derivatives as settlements of the derivatives’ exposure rather than as collateral. As a result, the variation margin payment and the related derivative instruments are considered a single unit of account for accounting purposes. Variation margin,

as determined by the CME, is settled daily. As a result, derivative contracts that clear through the CME have an estimated fair value of zero.

Hedging Derivatives

Cash Flow Hedges of Interest Rate Risk

United enters into cash flow hedges to mitigate exposure to the variability of future cash flows or other forecasted transactions. During the second quarter of 2020, United entered into three cash flow hedges using interest rate caps and swaps with an aggregate notional amount of $120 million to hedge the variability of cash flows due to changes in interest rates on certain of its variable-rate subordinated debt and trust preferred securities. United considers these derivatives to be highly effective at achieving offsetting changes in cash flows attributable to changes in interest rates. Therefore, changes in the fair value of these derivative instruments are recognized in other comprehensive income. Gains and losses related to changes in fair value are reclassified into earnings in the periods the hedged forecasted transactions occur. Losses representing amortization of the premium recorded on cash flow hedges, which is a component excluded from the assessment of effectiveness, are recognized in earnings on a straight-line basis in the same caption as the hedged item over the term of the hedge. Over the next twelve months United expects to reclassify $594,000 of losses from AOCI into earnings related to these agreements.

At December 31, 2019, United had no active cash flow hedges. The loss remaining in other comprehensive income from prior hedges that had previously been de-designated was being amortized into earnings over the original term of the swaps as the forecasted transactions that the swaps were originally designated to hedge were still expected to occur. This was the only effect of cash flow hedges on the consolidated statements of income for the years ended December 31, 2019 and 2018. During the second quarter of 2019, United amortized the remaining balance of losses on terminated hedging positions from other comprehensive income. See Note 17 for further detail.

Fair Value Hedges of Interest Rate Risk

United is exposed to changes in the fair value of certain of its fixed-rate obligations due to changes in interest rates. United uses interest rate swaps to manage its exposure to changes in fair value on these instruments attributable to changes in interest rates. For derivatives designated and that qualify as fair value hedges, the gain or loss on the derivative as well as the offsetting loss or gain on the hedged item attributable to the hedged risk are recognized in earnings. United includes the gain or loss on the hedged items in the same income statement line item as the offsetting loss or gain on the related derivatives.

At December 31, 2020 and 2019, United had two and four interest rate swaps with an aggregate notional amount of $20.0 million and $37.9 million, respectively, that were designated as fair value hedges of fixed-rate brokered time deposits. The swaps involved the receipt of fixed-rate amounts from a counterparty in exchange for United making variable rate payments over the life of the agreements.

In certain cases, the estate of deceased brokered certificate of deposit holders may put the certificate of deposit back to United at par upon the death of the holder. When these events occur (estate puts), a gain or loss is recognized for the difference between the fair value and the par amount of the deposits put back. The change in the fair value of brokered time deposits that are being hedged in fair value hedging relationships reported in the table below includes gains and losses from estate puts.

The table below presents the effect of derivatives in hedging relationships on the consolidated statements of income (in thousands).

	Year Ended December 31,
	2020		2019		2018
	Interest expense		Interest expense		Interest expense		Interest revenue - taxable investment securities		Other noninterest income
Total income (expense) presented in the consolidated statements of income	$	(56,237)	$	(83,312)	$	(61,330)	$	73,496	$	24,142
Gains (losses) on fair value hedging relationships:
Interest rate contracts:
Amounts related to interest settlements on derivatives	291		(327)		(245)		17		—
Recognized on derivatives	870		733		(220)		—		356
Recognized on hedged items	(880)		(766)		(145)		—		(447)
Net income (expense) recognized on fair value hedges	$	281	$	(360)	$	(610)	$	17	$	(91)
Losses on cash flow hedging relationships (1):
Interest rate contracts:
Realized losses reclassified from AOCI into net income (2)	$	(359)	$	—	$	—	$	—	$	—
Net expense recognized on cash flow hedges	$	(359)	$	—	$	—	$	—	$	—

(1) Excludes 2019 and 2018 amortization of losses related to de-designated cash flow hedges. See Note 17 for further detail.

(2) Includes $329,000 of premium amortization expense excluded from the assessment of hedge effectiveness for the year ended December 31, 2020.

The table below presents the carrying amount of hedged fixed-rate brokered time deposits and cumulative fair value hedging adjustments included in the carrying amount of the hedged liability for the periods presented (in thousands).

	December 31,
	2020				2019
Balance Sheet Location	Carrying amount of Assets (Liabilities)		Hedge Accounting Basis Adjustment		Carrying amount of Assets (Liabilities)		Hedge Accounting Basis Adjustment
Deposits	$	(20,216)	$	(235)	$	(35,880)	$	645

Derivatives Not Designated as Hedging Instruments

Customer derivative positions include swaps, caps, and collars between United and certain commercial loan customers with offsetting positions to dealers under a back-to-back program. In addition, United occasionally enters into credit risk participation agreements with counterparty banks to accept or transfer a portion of the credit risk related to interest rate swaps. The agreements, which are typically executed in conjunction with a participation in a loan with the same customer, allow customers to execute an interest rate swap with one bank while allowing for the distribution of the credit risk among participating members.

United also has three interest rate swap contracts that are not designated as hedging instruments but are economic hedges of market-linked brokered certificates of deposit. The market-linked brokered certificates of deposit contain embedded derivatives that are bifurcated from the host instruments and marked to market through earnings. The fair value marks on the market linked swaps and the bifurcated embedded derivatives tend to move in opposite directions with changes in 90-day LIBOR and therefore provide an economic hedge.

In addition, United originates certain residential mortgage loans with the intention of selling these loans. Between the time United enters into an interest-rate lock commitment to originate a residential mortgage loan that is to be held for sale and the time the

loan is funded and eventually sold, United is subject to the risk of variability in market prices. United also enters into forward sale agreements to mitigate risk and to protect the expected gain on the eventual loan sale. The commitments to originate residential mortgage loans and forward loan sales commitments are freestanding derivative instruments. Fair value adjustments on these derivative instruments are recorded within mortgage loan gains and related fees in the consolidated statements of income.

The table below presents the gains and losses recognized in income on derivatives not designated as hedging instruments for the periods indicated (in thousands). 

	Income Statement Location	Year Ended December 31,
		2020		2019		2018
Customer derivatives and dealer offsets	Other noninterest income	$	6,732	$	2,878	$	2,658
Bifurcated embedded derivatives and dealer offsets	Other noninterest income	(63)		212		307
Interest rate caps	Other noninterest income	—		—		501
De-designated hedges	Other noninterest income	—		(193)		31
Mortgage banking derivatives	Mortgage loan revenue	(7,873)		(1,797)		904
Risk participations	Other noninterest income	(340)		(3)		12
Total gains and losses		$	(1,544)	$	1,097	$	4,413

Credit-risk-related Contingent Features

United manages its credit exposure on derivative transactions by entering into a bilateral credit support agreement with each non-customer counterparty. The credit support agreements require collateralization of exposures beyond specified minimum threshold amounts. The details of these agreements, including the minimum thresholds, vary by counterparty.

United’s agreements with each of its derivative counterparties contain a provision where if either party defaults on any of its indebtedness, then it could also be declared in default on its derivative obligations. The agreements with derivative counterparties also include provisions that if not met, could result in United being declared in default. United has agreements with certain of its derivative counterparties that provide that if United fails to maintain its status as a well-capitalized institution or is subject to a prompt corrective action directive, the counterparty could terminate the derivative positions and United would be required to settle its obligations under the agreements. Derivatives that are centrally cleared do not have credit-risk-related features that require additional collateral if United’s credit rating were downgraded.

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Goodwill and Other Intangible Assets

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

The carrying amount of goodwill and other intangible assets is summarized below as of the dates indicated (in thousands):

	December 31,
	2020		2019
Core deposit intangible	$	36,162	$	32,802
Less: accumulated amortization	(22,148)		(17,980)
Net core deposit intangible	14,014		14,822
Goodwill	367,809		327,425
Total goodwill and other intangible assets, net	$	381,823	$	342,247

The following is a summary of changes in the carrying amounts of goodwill for the years indicated (in thousands):

	Goodwill (1)
December 31, 2018	$	307,112
Acquisition of FMBT	20,313
December 31, 2019	327,425
Acquisition of Three Shores	40,384
December 31, 2020	$	367,809

(1) Goodwill balances presented are shown net of accumulated impairment losses of $306 million incurred prior to 2018. Gross goodwill for December 31, 2020, 2019, and 2018 totaled $673 million, $633 million and $613 million, respectively.

The estimated aggregate amortization expense for future periods for core deposit intangibles is as follows (in thousands): 

Year
2021	$	3,622
2022	2,915
2023	2,321
2024	1,834
2025	1,414
Thereafter	1,908
Total	$	14,014

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Servicing Assets and Liabilities

12 Months Ended

Dec. 31, 2020

Transfers and Servicing [Abstract]

Servicing Assets and Liabilities

Servicing Assets and Liabilities

Servicing Rights for SBA/USDA Loans

United accounts for servicing rights for SBA/USDA loans at fair value. The following table summarizes the changes in SBA/USDA servicing rights for the years indicated (in thousands).

	2020		2019		2018
Servicing rights for SBA/USDA loans, beginning of period	$	6,794	$	7,510	$	7,740
Originated servicing rights capitalized upon sale of loans	1,114		1,835		2,573
Disposals	(624)		(1,258)		(810)
Measurement period adjustment to acquired servicing rights	—		—		(354)
Changes in fair value due to change in inputs or assumptions used in the valuation	(822)		(1,293)		(1,639)
Servicing rights for SBA/USDA loans, end of period	$	6,462	$	6,794	$	7,510

The portfolio of SBA/USDA loans serviced for others, which is not included in the accompanying balance sheets, was $402 million and $411 million, respectively, at December 31, 2020 and 2019. The amount of contractually specified servicing fees earned by United on these servicing rights during the years ended December 31, 2020, 2019 and 2018 was $3.77 million, $3.82 million and $3.44 million, respectively.

A summary of the key characteristics, inputs, and economic assumptions used in the discounted cash flow method utilized to estimate the fair value of the servicing asset for SBA/USDA loans and the sensitivity of the fair values to immediate adverse changes in those assumptions are shown in the table below as of the dates indicated (dollars in thousands):

	December 31,
	2020			2019
Fair value of retained servicing assets	$	6,462		$	6,794
Prepayment rate assumption:
Weighted average	17.8		%	16.5		%
Range	2.7% - 33.6%
10% adverse change	$	(358)		$	(352)
20% adverse change	(680)			(671)
Discount rate:
Weighted average	8.9		%	12.3		%
Range	1.6% - 44.1%
100 bps adverse change	$	(171)		$	(184)
200 bps adverse change	(333)			(358)
Life (in years):
Weighted-average	3.5			3.9
Range	0.6 - 5.6
Gross margin:
Weighted-average	1.9		%	1.9		%
Range	0.0% - 3.2%

The above sensitivities are hypothetical and changes in fair value based on variations in assumptions generally cannot be extrapolated because the relationship of the change in assumption to the change in fair value may not be linear. Also, in this table,

the effect of a variation in a particular assumption is calculated without changing any other assumption. In reality, changes in one factor may result in changes in another, which might magnify or counteract the sensitivities.

Residential Mortgage Servicing Rights

United accounts for residential mortgage servicing rights at fair value. The following table summarizes the changes in residential mortgage servicing rights for the years indicated (in thousands).

	2020		2019		2018
Residential mortgage servicing rights, beginning of period	$	13,565	$	11,877	$	8,262
Originated servicing rights capitalized upon sale of loans	11,911		5,783		4,587
Disposals	(2,868)		(1,098)		(537)
Changes in fair value due to change in inputs or assumptions used in the valuation	(6,392)		(2,997)		(435)
Residential mortgage servicing rights, end of period	$	16,216	$	13,565	$	11,877

The portfolio of residential mortgage loans serviced for others, which is not included in the consolidated balance sheets, was $2.31 billion and $1.60 billion, respectively, at December 31, 2020 and 2019. The amount of contractually specified servicing fees earned by United on these servicing rights during the years ended December 31, 2020, 2019 and 2018 was $4.82 million, $3.67 million and $2.37 million, respectively.

A summary of the key characteristics, inputs, and economic assumptions used to estimate the fair value of the servicing asset for residential mortgage loans and the sensitivity of the fair values to immediate adverse changes in those assumptions are shown in the table below as of the dates indicated (in thousands):

	December 31,
	2020			2019
Fair value of retained servicing assets	$	16,216		$	13,565
Prepayment rate assumption:
Weighted average	17.7		%	14.1		%
Range	8.7% - 19.5%
10% adverse change	$	(999)		$	(662)
20% adverse change	(1,912)			(1,270)
Discount rate:
Weighted average	10.0		%	10.0		%
Range	10.0% - 11.0%
100 bps adverse change	$	(518)		$	(467)
200 bps adverse change	(1,001)			(900)

The above sensitivities are hypothetical and changes in fair value based on variations in assumptions generally cannot be extrapolated because the relationship of the change in assumption to the change in fair value may not be linear. Also, in this table, the effect of a variation in a particular assumption is calculated without changing any other assumption. In reality, changes in one factor may result in changes in another, which might magnify or counteract the sensitivities.

Servicing Liabilities for Equipment Financing Loans

United accounts for servicing liabilities associated with sold equipment finance loans using the amortization method. The portfolio of equipment financing loans serviced for others, which is not included in the accompanying balance sheets, was $45.5 million and $42.4 million at December 31, 2020 and 2019, respectively. The servicing liabilities related to these loans totaled $357,000 and $363,000 at December 31, 2020 and 2019, respectively.

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Time Deposits

12 Months Ended

Dec. 31, 2020

Deposits [Abstract]

Time Deposits

Time Deposits

At December 31, 2020, the contractual maturities of time deposits, including brokered time deposits, are summarized as follows (in thousands):

2021	$	1,418,807
2022	211,523
2023	59,153
2024	25,513
2025	20,816
Thereafter	50,579
Total time deposits	$	1,786,391

At December 31, 2020 and 2019, time deposits, excluding brokered time deposits, that met or exceeded the FDIC insurance limit of $250,000 totaled $317 million and $367 million, respectively.

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Long-term Debt

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Long-term Debt

Long-term Debt

Long-term debt consisted of the following (in thousands):

	December 31,				Issue Date	Stated Maturity Date	Earliest Call Date
	2020		2019					Interest Rate
Obligations of the Bank:
2026 subordinated debentures	$	15,000	$	—	2016	2026	2021	5.875% through August 2021, 3-month LIBOR plus 4.70% thereafter
	15,000		—
Obligations of the Holding Company:
2022 senior debentures	50,000		50,000		2015	2022	2020	5.000% through August 2020, 3-month LIBOR plus 3.814% thereafter
2027 senior debentures	35,000		35,000		2015	2027	2025	5.500% through August 2025, 3-month LIBOR plus 3.71% thereafter
2030 senior debentures	100,000		—		2020	2030	2025	5.00% through June 2025, 3-month SOFR plus 4.87% thereafter
Total senior debentures	185,000		85,000
2028 subordinated debentures	100,000		100,000		2018	2028	2023	4.500% through January 2023, 3-month LIBOR plus 2.12% thereafter
2025 subordinated debentures	11,250		11,250		2015	2025	2020	6.250%
Total subordinated debentures	111,250		111,250
Southern Bancorp Capital Trust I	4,382		4,382		2004	2034	2009	Prime + 1.00%
Tidelands Statutory Trust I	8,248		8,248		2006	2036	2011	3-month LIBOR plus 1.38%
Four Oaks Statutory Trust I	12,372		12,372		2006	2036	2011	3-month LIBOR plus 1.35%
Total trust preferred securities	25,002		25,002
Less net discount	(9,296)		(8,588)
Total long-term debt	$	326,956	$	212,664

Interest is currently paid at least semiannually for all senior and subordinated debentures, and trust preferred securities.

Subsequent to year-end, United redeemed in whole the 2025 subordinated debentures and the Southern Bancorp Capital Trust I trust preferred securities.

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Operating Leases

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Operating Leases

Operating Leases

The following table presents the balances of the right-of-use asset and corresponding operating lease liability as of the dates indicated (in thousands).

		December 31,
	Balance Sheet Location	2020		2019
Right-of-use asset	Other assets	$	31,398	$	19,894
Operating lease liability	Other liabilities	33,095		22,039

During 2020, United obtained building and office space right-of-use assets resulting in an increase in its operating lease liability of $17.4 million. Leases assumed as part of the Three Shores transaction accounted for $15.1 million of the increase.

The table below presents the operating lease income and expense recognized for the periods indicated (in thousands).

	Income Statement Location	2020		2019
Operating lease cost	Occupancy expense	$	6,449	$	5,067
Variable lease cost	Occupancy expense	757		449
Short-term lease cost	Occupancy expense	100		136
Total lease cost		$	7,306	$	5,652
Sublease income and rental income from owned properties under operating leases	Other noninterest income	$	1,022	$	1,160

Rent expense recorded in accordance with ASC 840 for the year ended December 31, 2018 was $4.70 million.

As of December 31, 2020, the weighted average remaining lease term and weighted average discount rate of operating leases was 5.74 years and 1.79%, respectively. Absent a readily determinable interest rate in the lease agreement, the discount rate applied to each individual lease obligation was the Bank’s incremental borrowing rate for secured borrowings.

As of December 31, 2020, future minimum lease payments under operating leases were as follows (in thousands):

Year
2021	$	7,446
2022	7,544
2023	6,953
2024	3,417
2025	2,403
Thereafter	6,996
Total	34,759
Less discount	(1,664)
Present value of lease liability	$	33,095

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Fair Value Measurements

12 Months Ended

Dec. 31, 2020

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value MeasurementsFair value measurements are determined based on the assumptions that market participants would use in pricing the asset or liability. As a basis for considering market participant assumptions in fair value measurements, United uses a fair value hierarchy that distinguishes between market participant assumptions based on market data obtained from sources independent of the reporting entity (observable inputs that are classified within Levels 1 and 2 of the hierarchy) and the reporting entity’s own assumptions about market participant assumptions (unobservable inputs classified within Level 3 of the hierarchy). United has processes in place to review the significant valuation inputs and to reassess how the instruments are classified in the valuation framework.

Fair Value Hierarchy

Level 1 Valuation is based upon quoted prices (unadjusted) in active markets for identical assets or liabilities that United has the ability to access.

Level 2 Valuation is based upon quoted prices for similar assets and liabilities in active markets, as well as inputs that are observable for the asset or liability (other than quoted prices), such as interest rates, foreign exchange rates, and yield curves that are observable at commonly quoted intervals.

Level 3 Valuation is generated from model-based techniques that use at least one significant assumption based on unobservable inputs for the asset or liability, which are typically based on an entity’s own assumptions, as there is little, if any, related market activity.

In instances where the determination of the fair value measurement is based on inputs from different levels of the fair value hierarchy, the level in the fair value hierarchy within which the entire fair value measurement falls is based on the lowest level input that is significant to the fair value measurement in its entirety. United’s assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment, and considers factors specific to the asset or liability. 

The following is a description of the valuation methodologies used for assets and liabilities recorded at fair value.

Investment Securities

Debt securities available-for-sale and equity securities with readily determinable fair values are recorded at fair value on a recurring basis. Fair value measurement is based upon quoted prices, if available. If quoted prices are not available, fair values are measured using independent pricing models or other model-based valuation techniques such as the present value of future cash flows, adjusted for the security’s credit rating, prepayment assumptions and other factors such as credit loss assumptions. Level 1 securities include those traded on an active exchange, such as the New York Stock Exchange, U.S. Treasury securities that are traded by dealers or brokers in active over-the-counter markets and money market funds. Level 2 securities include mortgage-backed securities issued by government sponsored entities, municipal bonds, corporate debt securities and asset-backed securities and are valued based on observable inputs that include: quoted market prices for similar assets, quoted market prices that are not in an active market or other inputs that are observable in the market and can be corroborated by observable market data for substantially the full term of the securities. Securities classified as Level 3 include those traded in less liquid markets and are valued based on estimates obtained from broker-dealers that are not directly observable.

Deferred Compensation Plan Assets and Liabilities

Included in other assets in the consolidated balance sheets are assets related to employee deferred compensation plans. The assets associated with these plans are invested in mutual funds and classified as Level 1. Deferred compensation liabilities, also classified as Level 1, are carried at the fair value of the obligation to the employee, which mirrors the fair value of the invested assets and is included in other liabilities in the consolidated balance sheets.

Mortgage Loans Held for Sale

United has elected the fair value option for newly originated mortgage loans held for sale in order to reduce certain timing differences and better match changes in fair values of the loans with changes in the value of derivative instruments used to economically hedge them. The fair value of mortgage loans held for sale is determined using quoted prices for a similar asset, adjusted for specific attributes of that loan and are classified as Level 2.

Derivative Financial Instruments

United uses derivatives to manage interest rate risk. The valuation of these instruments is typically determined using widely accepted valuation techniques including discounted cash flow analysis on the expected cash flows of each derivative. This analysis reflects the contractual terms of the derivatives, including the period to maturity, and uses observable market-based inputs, including interest rate curves and implied volatilities. The fair values of interest rate swaps are determined using the market standard methodology of netting the discounted future fixed cash receipts and the discounted expected variable cash payments. The variable cash payments are based on an expectation of future interest rates (forward curves) derived from observable market interest rate curves. United also uses best effort and mandatory delivery forward loan sale commitments to hedge risk in its mortgage lending business.

United incorporates credit valuation adjustments (“CVAs”) as necessary to appropriately reflect the respective counterparty’s nonperformance risk in the fair value measurements. In adjusting the fair value of its derivative contracts for the effect of nonperformance risk, United has considered the effect of netting and any applicable credit enhancements, such as collateral postings, thresholds and guarantees.

Management has determined that the majority of the inputs used to value its derivatives fall within Level 2 of the fair value hierarchy. However, the CVAs associated with these derivatives utilize Level 3 inputs, such as estimates of current credit spreads, to evaluate the likelihood of default by itself and its counterparties. Generally, management’s assessment of the significance of the CVAs has indicated that they are not a significant input to the overall valuation of the derivatives. In cases where management’s assessment indicates that the CVA is a significant input, the related derivative is disclosed as a Level 3 value. During the second quarter of 2020, certain derivative assets were transferred from Level 2 to Level 3 of the fair value hierarchy due to a change in the assessment of significance of the CVA.

Other derivatives classified as Level 3 include structured derivatives for which broker quotes, used as a key valuation input, were not observable. Risk participation agreements are classified as Level 3 instruments due to the incorporation of significant Level 3 inputs used to evaluate the probability of funding and the likelihood of customer default. Interest rate lock commitments, which relate to mortgage loan commitments, are categorized as Level 3 instruments as the fair value of these instruments is based on unobservable inputs for commitments that United does not expect to fund.

Servicing Rights for Residential Mortgage and SBA/USDA Loans

United recognizes servicing rights upon the sale of residential mortgage and SBA/USDA loans sold with servicing retained. Management has elected to carry these assets at fair value. Given the nature of the assets, the key valuation inputs are unobservable and management considers these Level 3 assets. For disclosure regarding the fair value of servicing rights, see Note 10.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The table below presents United’s assets and liabilities measured at fair value on a recurring basis, aggregated by the level in the fair value hierarchy within which those measurements fall (in thousands):

December 31, 2020	Level 1		Level 2		Level 3		Total
Assets:
Debt securities available for sale:
U.S. Treasuries	$	128,072	$	—	$	—	$	128,072
U.S. Government agencies & GSEs	—		152,972		—		152,972
State and political subdivisions	—		274,472		—		274,472
Residential mortgage-backed securities	—		1,485,585		—		1,485,585
Commercial mortgage-backed securities	—		549,131		—		549,131
Corporate bonds	—		70,017		1,750		71,767
Asset-backed securities	—		562,722		—		562,722
Equity securities with readily determinable fair values	774		913		—		1,687
Mortgage loans held for sale	—		105,433		—		105,433
Deferred compensation plan assets	9,584		—		—		9,584
Servicing rights for SBA/USDA loans	—		—		6,462		6,462
Residential mortgage servicing rights	—		—		16,216		16,216
Derivative financial instruments	—		75,887		10,779		86,666
Total assets	$	138,430	$	3,277,132	$	35,207	$	3,450,769
Liabilities:
Deferred compensation plan liability	$	9,590	$	—	$	—	$	9,590
Derivative financial instruments	—		26,595		2,408		29,003
Total liabilities	$	9,590	$	26,595	$	2,408	$	38,593

December 31, 2019	Level 1		Level 2		Level 3		Total
Assets:
Securities available for sale:
U.S. Treasuries	$	154,618	$	—	$	—	$	154,618
U.S. Government agencies & GSEs	—		3,035		—		3,035
State and political subdivisions	—		226,490		—		226,490
Residential mortgage-backed securities	—		1,299,025		—		1,299,025
Commercial mortgage-backed securities	—		284,953		—		284,953
Corporate bonds	—		202,093		998		203,091
Asset-backed securities	—		103,369		—		103,369
Equity securities with readily determinable fair values	1,973		—		—		1,973
Mortgage loans held for sale	—		58,484		—		58,484
Deferred compensation plan assets	8,133		—		—		8,133
Servicing rights for SBA/USDA loans	—		—		6,794		6,794
Residential mortgage servicing rights	—		—		13,565		13,565
Derivative financial instruments	—		27,769		7,238		35,007
Total assets	$	164,724	$	2,205,218	$	28,595	$	2,398,537
Liabilities:
Deferred compensation plan liability	$	8,132	$	—	$	—	$	8,132
Derivative financial instruments	—		6,957		8,559		15,516
Total liabilities	$	8,132	$	6,957	$	8,559	$	23,648

For disclosure regarding the fair value of servicing rights, see Note 10. The following table shows a reconciliation of the beginning and ending balances for all other assets measured at fair value on a recurring basis using significant unobservable inputs that are classified as Level 3 values (in thousands):

	Derivative Asset		Derivative Liability		Debt Securities Available- for-Sale
December 31, 2017	$	12,207	$	16,744	$	900
Sales and settlements	(1,029)		(1,347)		—
Other comprehensive income	—		—		95
Amounts included in earnings - fair value adjustments	663		335		—
December 31, 2018	11,841		15,732		995
Sales and settlements	(1,135)		(2,330)		—
Other comprehensive income	—		—		3
Amounts included in earnings - fair value adjustments	(3,468)		(4,843)		—
December 31, 2019	7,238		8,559		998
Transfers into Level 3	583		—		—
Additions	368		—		1,750
Sales and settlements	—		—		(1,000)
Other comprehensive income	—		—		2
Amounts included in earnings - fair value adjustments	2,590		(6,151)		—
December 31, 2020	$	10,779	$	2,408	$	1,750

The following table presents quantitative information about recurring Level 3 fair value measurements, excluding servicing rights which are detailed in Note 10 (in thousands): 

	Valuation Technique		December 31,
Level 3 Assets		Unobservable Inputs	2020			2019
			Low	High	Weighted Average	Weighted Average
Corporate bonds	Indicative bid provided by a broker	Multiple factors, including but not limited to, current operations, financial condition, cash flows, and similar financing transactions executed in the market	N/A	N/A	N/A	N/A
Derivative assets - mortgage	Internal model	Pull through rate	65.6%	100%	83.9%	83.6%
Derivative assets - customer derivative positions	Internal model	Probability of default rate & loss given default	100	100	100	N/A
Derivative assets & liabilities - risk participations	Internal model	Probable exposure rate	0.06	3.66	1.81	0.36
		Probability of default rate	0.16	13.1	4.03	1.80
Derivative assets & liabilities - other	Dealer priced	Dealer priced	N/A	N/A	N/A	N/A

Fair Value Option

United records mortgage loans held for sale at fair value under the fair value option. Interest income on these loans is calculated based on the note rate of the loan and is recorded in interest revenue. The following tables present the fair value and outstanding principal balance of these loans, as well as the gain or loss recognized resulting from the change in fair value for the periods indicated (in thousands).

	Mortgage Loans Held for Sale
	December 31,
	2020		2019
Outstanding principal balance	$	99,746	$	56,613
Fair value	105,433		58,484

	Amount of Gain (Loss) Recognized on Mortgage Loans Held for Sale
Location	2020		2019		2018
Mortgage loan gains and other related fees	$	3,815	$	1,177	$	(133)

Changes in fair value were mostly offset by hedging activities. An immaterial portion of these amounts was attributable to changes in instrument-specific credit risk.

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis

United may be required, from time to time, to measure certain assets at fair value on a nonrecurring basis. These adjustments to fair value usually result from the application of lower of amortized cost or fair value accounting or write-downs of individual assets due to impairment.

The following table presents the fair value hierarchy and carrying value of all assets that were still held as of December 31, 2020 and 2019, for which a nonrecurring fair value adjustment was recorded during the periods presented (in thousands).

December 31, 2020	Level 1		Level 2		Level 3		Total
Loans	$	—	$	—	$	29,404	$	29,404
December 31, 2019
Loans	$	—	$	—	$	20,977	$	20,977

Loans that are reported above as being measured at fair value on a nonrecurring basis are generally impaired loans that have either been partially charged off or have been assigned a specific reserve. Nonaccrual loans that are collateral dependent are generally written down to net realizable value, which reflects fair values less the estimated costs to sell. Specific reserves that are established based on appraised value of collateral are considered nonrecurring fair value adjustments as well. When the fair value of the collateral is based on an observable market price or a current appraised value, United records the impaired loan as nonrecurring Level 2. When an appraised value is not available or management determines the fair value is further impaired below the appraised value and there is no observable market price, United records the impaired loan as nonrecurring Level 3.

Assets and Liabilities Not Measured at Fair Value

For financial instruments that have quoted market prices, those quotes are used to determine fair value. Financial instruments that have no defined maturity, have a remaining maturity of 180 days or less, or reprice frequently to a market rate are assumed to have a fair value that approximates reported book value, after taking into consideration any applicable credit risk. If no market quotes are available, financial instruments are valued by discounting the expected cash flows using an estimated current market interest rate for the financial instrument. For off-balance sheet derivative instruments, fair value is estimated as the amount that United would receive or pay to terminate the contracts at the reporting date, taking into account the current unrealized gains or losses on open contracts.

Cash and cash equivalents and repurchase agreements have short maturities and therefore the carrying value approximates fair value. Due to the short-term settlement of accrued interest receivable and payable, the carrying amount closely approximates fair value.

Fair value estimates are made at a specific point in time, based on relevant market information and information about the financial instrument. These estimates do not reflect the premium or discount on any particular financial instrument that could result from the sale of United’s entire holdings. All estimates are inherently subjective in nature. Changes in assumptions could significantly affect the estimates.

Fair value estimates are based on existing on and off-balance sheet financial instruments without attempting to estimate the value of anticipated future business and the value of assets and liabilities that are not considered financial instruments. Significant assets and liabilities that are not considered financial instruments include the mortgage banking operation, wealth management network, deferred income taxes, premises and equipment and goodwill. In addition, the tax ramifications related to the realization of the unrealized gains and losses can have a significant effect on fair value estimates and have not been considered in the estimates.

Off-balance sheet instruments (commitments to extend credit and standby letters of credit) for which draws can be reasonably predicted are generally short-term and at variable rates. Therefore, both the carrying amount and the estimated fair value associated with these instruments are immaterial.

The carrying amount and fair values for other financial instruments that are not measured at fair value on a recurring basis in United’s consolidated balance sheets are as follows (in thousands):

	Carrying Amount		Fair Value Level
December 31, 2020			Level 1		Level 2		Level 3		Total
Assets:
Securities held to maturity	$	420,361	$	—	$	437,193	$	—	$	437,193
Loans, net	11,233,805		—		—		11,209,717		11,209,717
Liabilities:
Deposits	15,232,358		—		15,232,274		—		15,232,274
Long-term debt	326,956		—		—		336,763		336,763
December 31, 2019
Assets:
Securities held to maturity	$	283,533	$	—	$	287,904	$	—	$	287,904
Loans, net	8,750,464		—		—		8,714,592		8,714,592
Liabilities:
Deposits	10,897,244		—		10,897,465		—		10,897,465
Long-term debt	212,664		—		—		217,665		217,665

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Common and Preferred Stock

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Common and Preferred Stock

Common and Preferred Stock

Common Stock

In November of 2020, United’s Board re-authorized its common stock repurchase plan to permit the repurchase of up to $50 million of its common stock. The program is scheduled to expire on the earlier of United’s repurchase of its common stock having an aggregate purchase price of $50 million or December 31, 2021. Under the program, shares may be repurchased in open market transactions or in privately negotiated transactions, from time to time, subject to market conditions. During 2020 and 2019, 826,482 and 500,495 shares were repurchased under the program, respectively. During 2018, no shares were repurchased under the program. As of December 31, 2020, United had remaining authorization to repurchase up to $50.0 million of outstanding common stock under the program.

United sponsors a DRIP that allows participants who already own United’s common stock to purchase additional shares directly from the Company. The DRIP also allows participants to automatically reinvest their quarterly dividends in additional shares of common stock without a commission. In 2020, 2019 and 2018, 38,107, 62,629 and 7,307 shares, respectively, were issued under the DRIP.

Preferred Stock

During 2020, United issued $100 million, or 4,000 shares, of Series I perpetual non-cumulative preferred stock (“Preferred Stock”) with a dividend rate of 6.875% per annum for net proceeds of $96.4 million and corresponding depositary shares each representing a 1/1,000th interest in one share of Preferred Stock. If declared, dividends are payable quarterly in arrears. The Preferred Stock has no stated maturity and redemption is solely at the option of United in whole, but not in part, upon the occurrence of a regulatory capital treatment event, as defined. In addition, the Preferred Stock may be redeemed on or after September 15, 2025 at a cash redemption price equal to $25,000 per share (equivalent to $25 per depositary share) plus any declared and unpaid dividends. As of December 31, 2020, the Preferred Stock had a carrying amount of $96.4 million. United had no preferred stock outstanding as of December 31, 2019.

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Equity Compensation Plans

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement [Abstract]

Equity Compensation Plans

Equity Compensation PlansUnited has an equity compensation plan that allows for grants of various share-based compensation. Options granted under the plan can have an exercise price no less than the fair market value of the underlying stock at the date of grant. The general terms of the plan include a vesting period (usually four years) with an exercisable period not to exceed ten years. Certain options and restricted stock unit awards provide for accelerated vesting if there is a change in control of United or certain other conditions are met (as defined in the plan document). As of December 31, 2020, 908,000 additional awards could be granted under the plan.

Restricted stock units and options outstanding and activity for the years ended December 31 consisted of the following:

	Restricted Stock Units					Options
	Shares	Weighted Average Grant Date Fair Value		Aggregate Intrinsic Value (000’s)		Shares	Weighted Average Exercise Price
December 31, 2017	663,817	$	22.40			60,287	$	24.12
Granted	416,484	30.54				—	—
Vested / Exercised	(290,013)	20.18				(12,000)	11.85
Cancelled	(30,542)	23.65				(1,148)	31.50
December 31, 2018	759,746	27.66				47,139	27.07
Granted	315,827	26.74				—	—
Vested / Exercised	(216,138)	25.38				(13,000)	16.34
Expired	—					(30,243)	31.43
Cancelled	(51,011)	27.18				(2,396)	29.68
December 31, 2019	808,424	27.94				1,500	27.95
Granted	446,512	19.15				—	—
Vested / Exercised	(324,697)	26.42		$	7,212	—	—
Expired	—					(1,500)	27.95
Cancelled	(36,808)	25.73				—	—
December 31, 2020	893,431	23.75		25,409		—

No compensation expense relating to options was included in earnings for 2020 or 2019. Compensation expense relating to options of $18,000 was included in earnings for 2018. The amount of compensation expense for all periods was determined based on the fair value of options at the time of grant, multiplied by the number of options granted that were expected to vest, which was then amortized over the vesting period.

Compensation expense for restricted stock units without market conditions is based on the market value of United’s common stock on the date of grant. United recognizes the impact of forfeitures as they occur. The value of restricted stock unit awards is amortized into expense over the service period. 

Compensation expense recognized in the consolidated statements of income for employee restricted stock unit awards in 2020, 2019 and 2018 was $7.40 million, $8.98 million and $5.69 million, respectively. Of the expense related to restricted stock unit awards during the twelve months ended December 31, 2019, $1.38 million related to the modification of existing awards resulting from an acceleration of vesting of awards due to retirement and $740,000 related to awards granted in conjunction with an acquisition, both of which were recognized in merger-related and other charges in the consolidated statement of income. The remaining 2019 expense of $6.86 million was recognized in salaries and employee benefits expense, as were the entire amounts for 2020 and 2018. In addition, in 2020, 2019, and 2018, $484,000, $379,000 and $338,000, respectively, was recognized in other operating expenses for restricted stock unit awards granted to members of the Board.

During 2020, 2019 and 2018, in addition to time-based restricted stock unit awards, the Board approved PSUs. The PSUs will vest based on achieving, during the applicable calendar-year performance periods, certain performance and market targets relative to a bank peer group. Achievement of the base-level performance and market targets for all applicable periods will result in the issuance of 148,109 shares, which are included in the outstanding balance in the table above. Additional shares may be issued if more stringent performance and market hurdles are met. The grant date per share fair market value of these PSUs was estimated using the Monte Carlo Simulation valuation model.

Deferred income tax benefits related to compensation expense for options and restricted stock units of $2.01 million, $2.39 million and $1.54 million were included in the determination of income tax expense in 2020, 2019 and 2018, respectively. As of December 31, 2020, there was $14.4 million of unrecognized compensation cost related to restricted stock units granted under the plan. The cost is expected to be recognized over a weighted-average period of 2.6 years.

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Reclassifications Out of AOCI

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Reclassifications Out of AOCI

Reclassifications Out of AOCI

The following presents the details regarding amounts reclassified out of AOCI (in thousands). 

	Amounts Reclassified from AOCI For the Years Ended December 31,
Details about AOCI Components							Affected Line Item in the Statement Where Net Income is Presented
	2020		2019		2018
Realized gains (losses) on available-for-sale securities:
	$	748	$	(1,021)	$	(656)	Securities gains (losses), net
	(191)		247		132		Income tax (expense) benefit
	$	557	$	(774)	$	(524)	Net of tax
Amortization of losses included in net income on available-for-sale securities transferred to held to maturity:
	$	(723)	$	(383)	$	(739)	Investment securities interest revenue
	173		92		180		Income tax benefit
	$	(550)	$	(291)	$	(559)	Net of tax
Reclassifications related to derivative financial instruments accounted for as cash flow hedges:
Amortization of losses on de-designated positions	$	—	$	(235)	$	—	Other expense
Amortization of losses on de-designated positions	—		(102)		(499)		Deposit interest expense
Interest rate contracts	(359)		—		—		Long-term debt interest expense
	(359)		(337)		(499)		Total before tax
	91		86		129		Income tax benefit
	$	(268)	$	(251)	$	(370)	Net of tax
Reclassifications related to defined benefit pension plan activity:
Prior service cost	$	(531)	$	(640)	$	(666)	Salaries and employee benefits expense
Actuarial losses	(326)		(59)		(241)		Other expense
Termination of Funded Plan	—		(1,558)		—		Merger-related and other
	(857)		(2,257)		(907)		Total before tax
	219		576		247		Income tax benefit
	$	(638)	$	(1,681)	$	(660)	Net of tax
Total reclassifications for the period	$	(899)	$	(2,997)	$	(2,113)	Net of tax
Amounts shown above in parentheses reduce earnings

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Earnings Per Share

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

The following table sets forth the computation of basic and diluted net income per common share for the years indicated (in thousands, except per share data):

	Year Ended December 31,
	2020		2019		2018
Net income	$	164,089	$	185,721	$	166,111
Undistributed earnings allocated to participating securities	(1,287)		(1,375)		(1,184)
Dividends on preferred stock	(3,533)		—		—
Net income available to common stockholders	$	159,269	$	184,346	$	164,927
Net income per common share:
Basic	$	1.91	$	2.31	$	2.07
Diluted	1.91		2.31		2.07
Weighted average common shares:
Basic	83,184		79,700		79,662
Effect of dilutive securities:
Stock options	—		1		7
Restricted stock units	64		7		2
Diluted	83,248		79,708		79,671

At December 31, 2020, United had no potentially dilutive instruments outstanding that were not included in the above analysis.

At December 31, 2019, United had the following potentially dilutive instruments outstanding: 1,000 shares of common stock issuable upon exercise of stock options with a weighted average exercise price of $30.45 and 183,168 shares of common stock issuable upon vesting of restricted stock unit awards.

At December 31, 2018, United excluded 32,316 potentially dilutive shares of common stock issuable upon exercise of stock options because of their antidilutive effect.

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Income Taxes

12 Months Ended

Dec. 31, 2020

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

Income tax expense is as follows for the years indicated (in thousands):

	Year Ended December 31,
	2020		2019		2018
Current	$	42,688	$	38,082	$	17,185
Deferred	2,668		14,909		32,630
Total income tax expense	$	45,356	$	52,991	$	49,815

The differences between the provision for income taxes and the amount computed by applying the statutory federal income tax rate of 21% in 2020, 2019 and 2018 to income before income taxes are as follows for the years indicated (in thousands):

	Year Ended December 31,
	2020		2019		2018
Pretax income at statutory rates	$	43,983	$	50,130	$	45,344
Add (deduct):
State taxes, net of federal benefit	5,928		7,168		6,765
BOLI earnings	(1,052)		(1,127)		(747)
Adjustment to reserve for uncertain tax positions	(1,212)		84		80
Tax-exempt interest revenue	(2,169)		(1,827)		(1,229)
Equity compensation	(174)		(375)		(892)
Transaction costs	217		16		78
Tax credit investments	(930)		(464)		(29)
Change in state statutory tax rate	—		—		583
Other	765		(614)		(138)
Total income tax expense	$	45,356	$	52,991	$	49,815

The following summarizes the sources and expected tax consequences of future taxable deductions (revenue) which comprise the net DTA as of the dates indicated (in thousands):

	December 31,
	2020		2019
DTAs:
ACL	$	33,213	$	14,910
Net operating loss carryforwards	22,277		27,568
Deferred compensation	10,012		9,363
Loan purchase accounting adjustments	8,567		6,599
Reserve for losses on foreclosed properties	33		20
Nonqualified share based compensation	1,833		2,041
Accrued expenses	6,865		3,958
Investment in partnerships	71		67
Unamortized pension actuarial losses and prior service cost	1,981		1,739
Securities purchase accounting adjustments	—		687
Lease liability	8,055		5,327
Other	4,018		1,351
Total DTAs	96,925		73,630
DTLs:
Unrealized gains on securities available-for-sale	17,439		7,943
Unrealized gains on cash flow hedges	54		—
Acquired intangible assets	2,576		2,530
Premises and equipment	4,241		3,002
Loan origination costs	4,857		3,538
True tax leases	7,846		7,783
Prepaid expenses	230		373
Servicing assets	4,816		4,428
Derivatives	2,250		1,075
Right-of-use asset	7,642		4,809
Securities purchase accounting adjustments	3,146		—
Uncertain tax positions	1,813		1,792
Total DTLs	56,910		37,273
Less valuation allowance	1,604		2,298
Net DTA	$	38,411	$	34,059

The change in the net DTA includes an increase of $16.3 million due to current year merger and acquisition activity and the adoption of CECL.

At December 31, 2020, United had:

•$36.0 million of state net operating loss carryforwards subject to annual limitation under IRC Section 382 that begin to expire in 2021, if not previously utilized.

•$113 million of state net operating loss carryforwards that begin to expire in 2031, if not previously utilized.

•$63.8 million in federal net operating loss carryforwards subject to annual limitation under IRC Section 382 that begin to expire in 2027, if not previously utilized.

•$3.70 million of state tax credits that begin to expire in 2021, if not previously utilized.

Management assesses the valuation allowance recorded against DTAs at each reporting period. The determination of whether a valuation allowance for DTAs is appropriate is subject to considerable judgment and requires an evaluation of all the positive and negative evidence. ASC 740 requires that companies assess whether a valuation allowance should be established against their DTAs based on the consideration of all available evidence using a “more likely than not” standard.

At December 31, 2020 and 2019, based on the assessment of all the positive and negative evidence, management concluded that it is more likely than not that nearly all of the net DTA will be realized based upon future taxable income. The valuation allowance of $1.60 million and $2.30 million, respectively, was related to specific state income tax credits that have short carryforward periods and certain acquired state net operating losses, both of which are expected to expire unused.

The valuation allowance could fluctuate in future periods based on the assessment of the positive and negative evidence. Management’s conclusion at December 31, 2020 that it was more likely than not that the net DTA of $38.4 million will be realized is based on management’s estimate of future taxable income. Management’s estimate of future taxable income is based on internal forecasts which consider historical performance, various internal estimates and assumptions, as well as certain external data all of which management believes to be reasonable although inherently subject to significant judgment. If actual results differ significantly from the current estimates of future taxable income, even if caused by adverse macro-economic conditions, the valuation allowance may need to be increased for some or all of the deferred tax asset.

A reconciliation of the beginning and ending unrecognized tax benefit related to uncertain tax positions is as follows for the years indicated (in thousands):

	2020		2019		2018
Balance at beginning of year	$	3,370	$	3,264	$	3,163
Additions based on tax positions related to the current year	421		481		470
Decreases resulting from a lapse in the applicable statute of limitations	(1,628)		(375)		(369)
Balance at end of year	$	2,163	$	3,370	$	3,264

Approximately $1.71 million of the unrecognized tax benefit at December 31, 2020 would increase income from continuing operations, and thus affect United’s effective tax rate, if ultimately recognized into income.

It is United’s policy to recognize interest and penalties accrued relative to unrecognized tax benefits in their respective federal or state income taxes accounts. There were no penalties and interest related to income taxes recorded in the income statement in 2020, 2019 or 2018. No amounts were accrued for interest and penalties on the balance sheet at December 31, 2020 or 2019. 

United and its subsidiaries file a consolidated U.S. federal income tax return, as well as various state returns in the states where it operates. United’s federal and state income tax returns are no longer subject to examination by taxing authorities for years before 2017.

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Benefit Plans

12 Months Ended

Dec. 31, 2020

Retirement Benefits [Abstract]

Benefit Plans

Benefit Plans

Defined Contribution Benefit Plans

401(k) Plan

United offers a defined contribution 401(k) plan (the “401(k) Plan”) that covers substantially all employees meeting certain minimum service requirements. The 401(k) Plan allows employees to make pre-tax contributions to the 401(k) Plan and, United matches 100% of employee contributions up to 5% of eligible compensation. Employees begin to receive matching contributions after completing one year of service.

Effective January 1, 2020, United amended the 401(k) Plan to be a safe harbor plan. Under safe harbor provisions, United is required to provide a matching contribution and participants are immediately 100% vested in safe harbor matching contributions. Under the safe harbor amendment the Company will continue to match 100% of participant deferral contributions up to 5% of the participant’s annual base salary and commissions for those who have completed at least one year of service. Prior to January 1, 2020, matching contributions vested after three years of service.

United’s 401(k) Plan is administered in accordance with applicable laws and regulations. Compensation expense from continuing operations related to the 401(k) Plan totaled $6.16 million, $5.30 million and $4.73 million in 2020, 2019 and 2018, respectively.

Deferred Compensation Plan

United also sponsors a non-qualified deferred compensation plan for its executive officers, certain other key employees and members of the Board and its community banks’ advisory boards of directors. The deferred compensation plan provides for the pre-tax deferral of compensation, fees and other specified benefits. Specifically, the deferred compensation plan permits each employee participant to elect to defer a portion of his or her base salary, bonus or vested restricted stock units and permits each eligible director participant to elect to defer all or a portion of his or her director’s fees. Further, the deferred compensation plan allows for additional contributions by an employee, with matching contributions by United, for amounts that exceed the allowable amounts under the 401(k) Plan.

During 2020, 2019 and 2018, United recognized $49,000, $162,000 and $119,000, respectively, in matching contributions for this provision of the deferred compensation plan. The Board may also elect to make a discretionary contribution to any or all participants. No discretionary contributions were made in 2020, 2019 or 2018.

In addition to common stock related to elected deferrals of vested restricted stock units, United offers its common stock as an investment option for cash contributions to the deferred compensation plan. The common stock component is accounted for as an equity instrument and is reflected in the consolidated balance sheets as common stock issuable. The deferred compensation plan does not allow for diversification once an election is made to invest in United stock and settlement must be accomplished in shares at the time the deferral period is completed. At December 31, 2020 and 2019, United had 600,834 shares and 664,640 shares, respectively, of its common stock that was issuable under the deferred compensation plan.

Defined Benefit Pension Plans

United has an unfunded noncontributory defined benefit pension plan, or the Modified Retirement Plan, that covers certain executive officers and other key employees. The Modified Retirement Plan provides a fixed annual retirement benefit to plan participants.

Weighted-average assumptions used to determine the pension benefit obligation of the Modified Retirement Plan at year end and net periodic pension cost are shown in the table below:

	2020		2019
Discount rate for disclosures	2.55	%	3.25	%
Discount rate for net periodic benefit cost	3.25	%	4.40	%
Measurement date	12/31/2020		12/31/2019

The Modified Retirement Plan discount rates are determined in consultation with the third-party actuary and are set by matching the projected benefit cash flow to a notional yield curve developed by reference to high-quality fixed income investments. The discount rates are determined as the rate which would provide the same present value as the plan cash flows discounted to the measurement date using the full series of spot rates along the notional yield curve as of the measurement date.

United acquired Palmetto on September 1, 2015, including its funded noncontributory defined benefit pension plan, or the Funded Plan, which covered all full-time Palmetto employees who had fulfilled at least 12 months of continuous service and attained age 21 by December 31, 2007. Benefits under the Funded Plan were no longer accrued for service subsequent to 2007. During 2019, United settled the liabilities of its Funded Plan. Participants elected to receive either lump sum distributions or annuity contracts purchased from a third-party insurance company that provided for the payment of vested benefits. United contributed $4.90 million to the Funded Plan in the third quarter 2019 to fund its liquidation.

As a result of the pension termination, unrecognized losses of $1.56 million, which were previously recorded in AOCI on the consolidated balance sheets, were recognized as expense and an additional pension plan settlement loss of $1.38 million was recorded in the consolidated statements of income. Including both charges, the total Funded Plan settlement loss was $2.94 million, which was included in merger-related and other charges for the year ended December 31, 2019.

United recognizes the underfunded status of the plans as a liability in the consolidated balance sheets. Information about changes in obligations and plan assets follows (in thousands): 

	2020		2019
	Modified Retirement Plan		Modified Retirement Plan		Funded Plan
Accumulated benefit obligation:
Accumulated benefit obligation - beginning of year	$	25,105	$	21,736	$	16,011
Service cost	588		392		—
Interest cost	795		931		166
Plan amendments	—		386		—
Actuarial losses	1,804		2,390		1,489
Benefits paid	(1,193)		(730)		(17,666)
Accumulated benefit obligation - end of year	27,099		25,105		—
Change in plan assets, at fair value:
Beginning plan assets	—		—		12,595
Actual return	—		—		173
Employer contribution	1,193		730		4,898
Benefits paid	(1,193)		(730)		(17,666)
Plan assets - end of year	—		—		—
Funded status - end of year (plan assets less benefit obligations)	$	(27,099)	$	(25,105)	$	—

Components of net periodic benefit cost and other amounts recognized in other comprehensive income are as follows (in thousands): 

	2020		2019				2018
	Modified Retirement Plan		Modified Retirement Plan		Funded Plan		Modified Retirement Plan		Funded Plan
Service cost	$	588	$	392	$	—	$	363	$	—
Interest cost	795		931		166		801		647
Expected return on plan assets	—		—		(106)		—		(551)
Amortization of prior service cost	531		635		—		666		—
Amortization of net actuarial losses	326		59		—		241		—
Net periodic benefit cost	$	2,240	$	2,017	$	60	$	2,071	$	96

The estimated net actuarial loss and prior service costs for the Modified Retirement Plan that will be amortized from AOCI into net periodic benefit cost over the next fiscal year are $575,000 and $469,000, respectively, as of December 31, 2020.

The following table summarizes the estimated future benefit payments expected to be paid from the Modified Retirement Plan for the periods indicated (in thousands).

2021	$	1,170
2022	1,165
2023	1,159
2024	1,152
2025	1,195
2026-2030	7,675

Other United sponsored benefit plans

United has an Employee Stock Purchase Program (“ESPP”) that allows eligible employees to purchase shares of common stock at a discount (10%), with no commission charges. During 2020, 2019 and 2018 United issued 34,423, 20,928 shares and 17,941 shares, respectively, through the ESPP.

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Regulatory Matters

12 Months Ended

Dec. 31, 2020

Regulatory Capital Requirements Under Banking Regulations [Abstract]

Regulatory Matters

Regulatory Matters

Capital Requirements

United and the Bank are subject to various regulatory capital requirements administered by the federal banking agencies. Failure to meet minimum capital requirements can initiate certain mandatory and possibly additional discretionary action by regulators that, if undertaken, could have a direct material effect on United. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, United and the Bank must meet specific capital guidelines that involve quantitative measures of the Bank’s assets, liabilities, and certain off-balance sheet items as calculated under regulatory accounting practices. The capital amounts and classification are also subject to qualitative judgments by the regulators about components, risk weightings, and other factors. Quantitative measures (as defined) established by regulation to ensure capital adequacy require United and the Bank to maintain minimum amounts and ratios of total capital, Tier 1 capital, and CET1 to RWAs, and of Tier 1 capital to average assets.

United and the Bank are also subject to a “capital conservation buffer,” which is designed to absorb losses during periods of economic stress. Banking organizations with a ratio of CET1 to RWAs above the minimum but below the conservation buffer (or below the combined capital conservation buffer and countercyclical capital buffer, when the latter is applied) will face constraints on dividends, equity repurchases and discretionary bonus compensation based on the amount of the shortfall.

As of December 31, 2020, United and the Bank were categorized as well-capitalized under the regulatory framework for prompt corrective action in effect at such time. To be categorized as well-capitalized at December 31, 2020, United and the Bank must have exceeded the well-capitalized guideline ratios in effect at such time, as set forth in the table below and have met certain other requirements. Management believes that United and the Bank exceeded all well-capitalized requirements at December 31, 2020, and there have been no conditions or events since year-end that would change the status of well-capitalized.

Pursuant to the CARES Act, United has adopted relief provided by federal banking regulatory agencies for the delay of the adverse capital impact of CECL at adoption of ASC 326 and during the subsequent two-year period after adoption. This optional two-year delay is followed by an optional three-year transition period to phase out the aggregate amount of capital benefit provided during the initial two-year delay. Under the transition provision, the amount of aggregate capital benefit is phased out by 25% each year with the full impact of adoption completely recognized by the beginning of the sixth year after adoption.

Regulatory capital ratios at December 31, 2020 and 2019, along with the minimum amounts required for capital adequacy purposes and to be well-capitalized under prompt corrective action provisions in effect at such times are presented below for United and the Bank (dollars in thousands):

	Basel III Guidelines				United Community Banks, Inc. (consolidated)						United Community Bank
	Minimum (1)		Well Capitalized		2020			2019			2020			2019
Risk-based ratios:
CET1 capital	4.5	%	6.5	%	12.31		%	12.97		%	13.31		%	14.87		%
Tier 1 capital	6.0		8.0		13.10			13.21			13.31			14.87
Total capital	8.0		10.0		15.15			15.01			14.28			15.54
Tier 1 leverage ratio	4.0		5.0		9.28			10.34			9.42			11.63
CET1 capital					$	1,506,750		$	1,275,148		$	1,625,292		$	1,458,720
Tier 1 capital					1,603,172			1,299,398			1,625,292			1,458,720
Total capital					1,854,368			1,476,302			1,743,045			1,524,267
RWAs					12,240,440			9,834,051			12,207,940			9,810,477
Average total assets					17,276,853			12,568,563			17,246,878			12,545,254

(1) As of December 31, 2020 and 2019, the additional capital conservation buffer in effect was 2.50%.

Cash, Dividend, Loan and Other Restrictions

At December 31, 2020 and 2019, the Bank did not have a required reserve balance at the Federal Reserve Bank of Atlanta.

Federal and state banking regulations place certain restrictions on dividends paid by the Bank to the Holding Company. During 2020, the Bank received regulatory approval to pay cash dividends to the Holding Company of $150 million. No cash dividends were paid by the Bank to the Holding Company in 2019.

The Federal Reserve Act requires that extensions of credit by the Bank to certain affiliates, including the Holding Company, be secured by specific collateral, that the extension of credit to any one affiliate be limited to 10% of capital and surplus (as defined), and that extensions of credit to all such affiliates be limited to 20% of capital and surplus.

The Bank is a party to financial instruments with off-balance sheet risk in the normal course of business to meet the financing needs of their customers. These financial instruments include commitments to extend credit and letters of credit. These instruments involve, to varying degrees, elements of credit risk in excess of the amount recognized in the consolidated balance sheets. The contract amounts of these instruments reflect the extent of involvement the Bank has in particular classes of financial instruments.

The exposure to credit loss in the event of nonperformance by the other party to the financial instrument for commitments to extend credit and letters of credit written is represented by the contractual amount of these instruments. United uses the same credit policies in making commitments and conditional obligations as it uses for underwriting on-balance sheet instruments. In most cases, collateral or other security is required to support financial instruments with credit risk.

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Commitments and Contingencies

12 Months Ended

Dec. 31, 2020

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

The following table summarizes, as of the dates indicated, the contract amount of off-balance sheet instruments (in thousands):

	December 31,
	2020		2019
Financial instruments whose contract amounts represent credit risk:
Commitments to extend credit	$	3,052,657	$	2,126,275
Letters of credit	31,748		22,533

Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee.

Since many of the commitments may expire without being drawn on, the total commitment amounts do not necessarily represent future cash requirements. United evaluates each customer’s creditworthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary, upon extension of credit is based on management’s credit evaluation. Collateral held varies, but may include unimproved and improved real estate, certificates of deposit, personal property or other acceptable collateral.

Letters of credit are conditional commitments issued by United and could result in the commitment being drawn on when the underlying transaction is consummated between the customer and the third party or upon the non-performance of the customer. Those guarantees are primarily issued to local businesses and government agencies. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers. In most cases, the Bank holds real estate, certificates of deposit, and other acceptable collateral as security supporting those commitments for which collateral is deemed necessary. The extent of collateral held for those commitments varies.

United maintains an ACL for unfunded loan commitments which is included in the balance of other liabilities in the consolidated balance sheets. The ACL for unfunded loan commitments is determined as part of the quarterly ACL analysis. See Note 1 for further detail.

The Bank holds minor investments in certain limited partnerships for CRA purposes. As of December 31, 2020, the Bank had a recorded investment of $58.3 million in these limited partnerships, which is included in other assets on the consolidated balance sheet, and had committed to fund an additional $9.81 million related to future capital calls that has not been reflected in the consolidated balance sheet.

United, in the normal course of business, is subject to various pending and threatened lawsuits in which claims for monetary damages are asserted. Although it is not possible to predict the outcome of these lawsuits, or the range of any possible loss, management, after consultation with legal counsel, does not anticipate that the ultimate aggregate liability, if any, arising from these lawsuits will have a material adverse effect on financial position or results of operations.

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Condensed Financial Statements of United Community Banks, Inc. (Holding Company Only)

12 Months Ended

Dec. 31, 2020

Condensed Financial Information Disclosure [Abstract]

Condensed Financial Statements of United Community Banks, Inc. (Holding Company Only)

Condensed Financial Statements of United Community Banks, Inc. (Holding Company Only)

Balance Sheets

As of December 31, 2020 and 2019

(in thousands)

	2020		2019
Assets
Cash and cash equivalents	$	289,243	$	32,495
Investment in bank	2,028,965		1,814,414
Investment in other subsidiaries	752		752
Other assets	34,661		29,308
Total assets	$	2,353,621	$	1,876,969
Liabilities and Shareholders’ Equity
Long-term debt	$	311,956	$	212,664
Other liabilities	34,135		28,613
Total liabilities	346,091		241,277
Shareholders’ equity	2,007,530		1,635,692
Total liabilities and shareholders’ equity	$	2,353,621	$	1,876,969

Statements of Income

For the Years Ended December 31, 2020, 2019 and 2018

(in thousands)

	2020		2019		2018
Dividends from bank	$	150,000	$	—	$	161,500
Dividends from other subsidiaries	—		4,651		850
Shared service fees from subsidiaries	13,020		14,721		10,257
Other	1,436		1,468		133
Total income	164,456		20,840		172,740
Interest expense	13,994		11,573		11,868
Other expense	16,473		18,965		14,456
Total expenses	30,467		30,538		26,324
Income tax benefit	2,681		8,711		1,640
Income (loss) before equity in undistributed earnings of subsidiaries	136,670		(987)		148,056
Equity in undistributed earnings of subsidiaries	27,419		186,708		18,055
Net income	$	164,089	$	185,721	$	166,111

Statements of Cash Flows

For the Years Ended December 31, 2020, 2019 and 2018

(in thousands)

	2020		2019		2018
Operating activities:
Net income	$	164,089	$	185,721	$	166,111
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in undistributed earnings of the subsidiaries	(27,419)		(186,708)		(18,055)
Stock-based compensation	7,887		9,360		6,057
Change in assets and liabilities:
Other assets	(3,662)		(3,022)		1,777
Other liabilities	5,261		2,080		3,124
Net cash provided by operating activities	146,156		7,431		159,014
Investing activities:
Net cash received (paid) for acquisition	3,397		(52,093)		(84,499)
Purchases of premises and equipment	—		—		(364)
Purchases of debt securities available-for-sale and equity securities	(2,750)		(3,000)		(2,489)
Proceeds from sales and maturities of debt securities available-for-sale and equity securities	—		83		—
Net cash provided by (used in) investing activities	647		(55,010)		(87,352)
Financing activities:
Repayment of long-term debt	—		(250)		(7,424)
Proceeds from issuance of long-term debt, net of issuance costs	98,552		—		98,188
Proceeds from issuance of preferred stock, net of issuance costs	96,422		—		—
Cash related to shares withheld to cover payroll taxes upon vesting of restricted stock units	(3,119)		(1,686)		(1,998)
Proceeds from issuance of common stock for dividend reinvestment and employee benefit plans	1,317		2,193		679
Proceeds from exercise of stock options	—		212		142
Repurchase of common stock	(20,782)		(13,020)		—
Cash dividends on preferred stock	(3,533)		—		—
Cash dividends on common stock	(58,912)		(53,044)		(41,634)
Net cash provided by (used in) financing activities	109,945		(65,595)		47,953
Net change in cash	256,748		(113,174)		119,615
Cash at beginning of year	32,495		145,669		26,054
Cash at end of year	$	289,243	$	32,495	$	145,669

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Subsequent Events	12 Months Ended
	Dec. 31, 2020
Subsequent Events [Abstract]
Subsequent Events	Subsequent EventsOn February 18, 2021, the Board approved a regular quarterly cash dividend of $0.19 per common share and a preferred stock dividend of $429.6875 per preferred share (equivalent to $0.4296875 per depositary share, or 1/1000 interest per share). The common stock dividend is payable April 5, 2021, to common shareholders of record on March 15, 2021. The preferred stock dividend is payable March 15, 2021, to preferred shareholders of record on February 28, 2021.

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Summary of Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Basis of accounting

The accounting principles followed by United and the methods of applying these principles conform with GAAP and with general practices within the banking industry. The following is a description of the significant policies.

Organization and Basis of Presentation

Organization and Basis of Presentation

The Holding Company is a bank holding company subject to the regulation of the Board of Governors of the Federal Reserve whose principal business is conducted by its wholly-owned commercial bank subsidiary, United Community Bank (the “Bank”). United is subject to regulation under the BHC Act. The consolidated financial statements include the accounts of the Holding Company, the Bank and other wholly-owned subsidiaries. All significant intercompany accounts and transactions have been eliminated in consolidation.

The Bank is a Georgia state chartered commercial bank that serves both rural and metropolitan markets in Georgia, South Carolina, North Carolina, Tennessee and Florida and provides a full range of banking services. The Bank is insured and subject to the regulation of the FDIC and is also subject to the regulation of the GADBF.

Use of Estimates

Use of Estimates

In preparing the consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the dates of the balance sheet and revenue and expenses for the years then ended. Actual results could differ significantly from those estimates. Material estimates that are particularly susceptible to significant change are the determination of the ACL, the valuation of acquired loans, the valuation of real estate acquired in connection with foreclosures or in satisfaction of loans, the valuation of goodwill and separately identifiable intangible assets associated with mergers and acquisitions, and the valuation of deferred tax assets.

Operating Segments

Operating Segments

Operating segments are components of a business about which separate financial information is available and evaluated regularly by the chief operating decision maker in deciding how to allocate resources and assessing performance. Public companies are required to report certain financial information about operating segments in interim and annual financial statements. United’s community banking operations are divided among geographic regions and local community banks within those regions. Those regions and banks have similar economic characteristics and are therefore considered to be one operating segment.

Additionally, management assessed other operating units to determine if they should be classified and reported as segments, including Mortgage, Wealth Management and Commercial Banking Solutions. Qualitatively, these business units are primarily operating in the same geographic footprint as the community banks and face many of the same customers as the community banks. While the chief operating decision maker does have some limited production information for these entities, that information is not complete since it does not include a full allocation of revenue, costs and capital from key corporate functions. The business units are currently viewed more as a product line extension of the community banks. However, management will continue to evaluate these business units for separate reporting as facts and circumstances change.

Based on this analysis, United concluded that it has one operating and reportable segment.

Cash and Cash Equivalents

Cash and Cash Equivalents

Cash equivalents include amounts due from banks, interest-bearing deposits in banks, federal funds sold, commercial paper, reverse repurchase agreements and short-term investments and are carried at cost. Federal funds are generally sold for one-day periods, interest-bearing deposits in banks are available on demand and commercial paper investments and reverse repurchase agreements mature within a period of less than 90 days. A portion of the cash on hand and on deposit with the Federal Reserve Bank of Atlanta was required to meet regulatory reserve requirements.

Investment Securities

Investment Securities

Debt Securities: Debt securities are classified as held-to-maturity and carried at amortized cost when management has the positive intent and ability to hold them to maturity. Debt securities are classified as available-for-sale when they may be sold before maturity. Securities available-for-sale are carried at fair value, with unrealized holding gains and losses reported in other comprehensive income, net of tax.

Interest income includes amortization of purchase premiums or discounts. Premiums and discounts on securities are generally amortized or accreted on the level-yield method without anticipating prepayments, except for mortgage-backed securities where prepayments are anticipated. Premiums on callable debt securities are amortized to their earliest call date. Gains and losses on sales are recorded on the trade date and determined using the specific identification method.

Transfers of securities between categories are recorded at fair value at the date of transfer. Unrealized holding gains or losses associated with transfers of securities from available-for-sale to held-to-maturity are included in the balance of AOCI in the consolidated balance sheets. These unrealized holding gains or losses are amortized/accreted into income over the remaining life of the security as an adjustment to the yield in a manner consistent with the amortization or accretion of the original purchase premium or discount on the associated security.

A debt security is placed on nonaccrual status at the time any principal or interest payments become 90 days delinquent. Interest accrued but not received for a security placed on nonaccrual is reversed against interest income.

Equity securities: Equity securities are included in other assets on the consolidated balance sheets. Those with readily determinable fair values are carried at fair value with changes in fair value recognized in net income. Those without readily determinable fair values include, among others, FHLB stock held to meet FHLB requirements related to outstanding advances and CRA equity investments, including those where the returns are primarily derived from LIHTC. Our investment in FHLB stock, which totaled $13.3 million at December 31, 2020, is accounted for using the cost method of accounting. Our LIHTC investments are accounted for using the proportional amortization method of accounting for qualified affordable housing investments which results in the amortization being reported as a component of income tax expense. Our obligations related to unfunded commitments for our LIHTC investments are reported in other liabilities. Our other CRA investments are accounted for using the equity method of accounting. As conditions warrant, we review our investments for impairment and will adjust the carrying value of the investment if it is deemed to be impaired.

ACL - Held-to-Maturity Securities, Available-For-Sale Securities, and Off-Balance Sheet Credit Exposures

ACL - Held-to-Maturity Securities: Since the adoption of ASC 326, management measures current expected credit losses on held-to-maturity debt securities on a collective basis by major security type. Accrued interest receivable on held-to-maturity debt securities totaled $1.78 million at December 31, 2020 and was excluded from the estimate of credit losses.

The estimate of current expected credit losses considers historical credit loss information that is adjusted for current conditions and reasonable and supportable forecasts. Management classifies the held-to-maturity portfolio into the following major security types: U.S. Government agencies and GSEs, state and political subdivisions, residential mortgage-backed, agency and GSEs and commercial mortgage-backed, agency and GSEs.

All of the residential and commercial mortgage-backed securities held by United as held-to-maturity are issued by U.S. Government agencies and GSEs. These securities are either explicitly or implicitly guaranteed by the U.S. government, are highly rated by major rating agencies and have a long history of no credit losses. The state and political subdivision securities are highly rated by major rating agencies.

ACL - Available-For-Sale Securities: For available-for-sale debt securities in an unrealized loss position, United first assesses whether it intends to sell, or whether it is more likely than not that it will be required to sell the security before recovery of its amortized cost basis. If either of the criteria regarding intent or requirement to sell is met, the security's amortized cost basis is written down to fair value through income. For debt securities available-for-sale that do not meet the aforementioned criteria, United evaluates whether the decline in fair value has resulted from credit losses or other factors. In making this assessment, management considers the extent to which fair value is less than amortized cost, any changes to the rating of the security by a rating agency, and adverse conditions specifically related to the security, among other factors. If this assessment indicates that a credit loss exists, the present value of cash flows expected to be collected from the security are compared to the amortized cost basis of the security. Since the adoption of ASC 326, if the present value of cash flows expected to be collected is less than the amortized cost basis, a credit loss exists and an ACL is recorded for the credit loss, limited by the amount that the fair value is less than the amortized cost basis. Any amount of unrealized loss that has not been recorded through an ACL is recognized in other comprehensive income.

Changes in the ACL are recorded as provision for (or reversal of) credit loss expense. Losses are charged against the ACL when management believes the uncollectability of an available-for-sale security is confirmed or when either of the criteria regarding intent or requirement to sell is met.

Accrued interest receivable on available-for-sale debt securities totaled $9.11 million at December 31, 2020 and was excluded from the estimate of credit losses.

ACL - Off-Balance Sheet Credit Exposures Management estimates expected credit losses on commitments to extend credit over the contractual period during which United is exposed to credit risk on the underlying commitments. The ACL on off-balance sheet credit exposures is adjusted as a provision for credit loss expense. The estimate includes consideration of the likelihood that funding will occur and an estimate of expected credit losses on commitments expected to be funded over its estimated life. The ACL is calculated using the same aggregate reserve rates calculated for the funded portion of loans at the portfolio level applied to the amount of commitments expected to fund.

Loans Held for Sale

Loans Held for SaleUnited has elected the fair value option for mortgage loans held for sale in order to reduce certain timing differences and match changes in fair values of the loans with changes in the fair value of derivative instruments used to economically hedge them.

Loans and Leases

Loans and Leases

Loans that management has the intent and ability to hold for the foreseeable future or until maturity or payoff are reported at amortized cost. Amortized cost is the principal balance outstanding, net of purchase premiums and discounts and deferred fees and costs. Accrued interest receivable related to loans totaled $35.5 million at December 31, 2020 and was reported in accrued interest receivable on the consolidated balance sheets. Interest income is accrued on the unpaid principal balance. Loan origination fees, net of certain direct origination costs, are deferred and recognized in interest income using methods that approximate a level yield without anticipating prepayments.

Equipment Financing Lease Receivables: Equipment financing lease receivables, which are classified as sales-type or direct financing leases, are recorded as the sum of the future minimum lease payments, initial deferred costs and, if applicable, estimated or contractual residual values less unearned income and security deposits. For lease receivables with a residual value, the determination of such value is derived from a variety of sources including equipment valuation services, appraisals, and publicly available market data on recent sales transactions on similar equipment. The length of time until contract termination, the cyclical nature of equipment values and the limited marketplace for re-sale of certain leased assets are important variables considered in making this determination. Interest income, which is included in loan interest revenue in the consolidated statements of income, is recognized as earned using the effective interest method. Direct fees and costs associated with the origination of leases are deferred and included as a component of equipment financing receivables. Net deferred fees or costs are recognized as an adjustment to interest income over the contractual life of the lease using the effective interest method. These lease agreements may include options to renew and for the lessee to purchase the leased equipment at the end of the lease term. United excludes sales taxes from consideration in these lease contracts.

PCD Loans (CECL): In acquisitions, United may acquire loans, some of which have experienced more than insignificant credit deterioration since origination. In those cases, United will consider internal loan grades, delinquency status and other relevant factors in assessing whether purchased loans are PCD. PCD loans are recorded at their fair value at the acquisition date. An initial ACL is determined using the same methodology as other loans held for investment and recognized as an adjustment to the acquisition price of the asset; thus, the sum of the loan's purchase price and ACL becomes its initial amortized cost basis. The difference between the initial amortized cost basis and the par value of the loan is a noncredit discount or premium, which is amortized into interest income over the life of the loan. Subsequent to initial recognition, PCD loans are subject to the same interest income recognition and impairment model as non-PCD loans, with changes to the ACL recorded through provision expense.

Upon adoption of ASC 326, loans that were designated as PCI loans under the Incurred Loss guidance were classified as PCD loans without reassessment.

PCI Loans (Incurred Loss): Prior to the adoption of ASC 326 on January 1, 2020, purchased loans with evidence of credit deterioration since origination were accounted for pursuant to ASC Topic 310-30, Loans and Debt Securities Acquired with Deteriorated Credit Quality. These PCI loans were recorded at their estimated fair value at date of purchase. After acquisition, further losses evidenced by decreases in expected cash flows were recognized by an increase in the ACL.

PCI loans were aggregated into pools of loans based on common risk characteristics such as the type of loan, payment status, or collateral type. United estimated the amount and timing of expected cash flows for each purchased loan pool and the expected cash flows in excess of the amount paid were recorded as interest income over the remaining life of the pool (accretable yield). The excess of the pool’s contractual principal and interest over expected cash flows was not recorded (nonaccretable difference).

Over the life of the loan pool, expected cash flows continued to be estimated. If the present value of expected cash flows was less than the carrying amount, a loss was recorded. If the present value of expected cash flows was greater than the carrying amount, it was recognized as part of future interest revenue.

Nonaccrual Loans: The accrual of interest is generally discontinued when a loan becomes 90 days past due or when management believes, after considering economic and business conditions and collection efforts, that the principal or interest will not be collectable in the normal course of business. A loan may continue to accrue interest after 90 days if it is well collateralized and in the process of collection. Past due status is based on contractual terms of the loan. During 2020, United granted loan payment deferrals in accordance with the CARES Act and interagency guidance for certain borrowers experiencing temporary cash flow shortages as a result of the COVID-19 pandemic. During the temporary payment deferral period, these loans are not considered past due.

All interest accrued but not received for loans placed on nonaccrual is reversed against interest income. Interest received on such loans is accounted for using the cost-recovery method, until qualifying for return to accrual. Under the cost-recovery method, interest income is not recognized until the loan balance is reduced to zero. Loans are returned to accrual status when all the principal and interest amounts contractually due are brought current, there is a sustained period of repayment performance and future payments are reasonably assured.

TDRs: A loan for which the terms have been modified resulting in a more than insignificant concession, and for which the borrower is experiencing financial difficulties, is generally considered to be a TDR. Modified terms that result in a TDR include one or a combination of the following: a reduction of the stated interest rate of the loan, an extension of the amortization period that would not otherwise be considered in the current market for new debt with similar risk characteristics; a restructuring of the borrower’s debt into an “A/B note structure” in which the A note would fall within the borrower’s ability to pay and the remainder would be included in the B note; a mandated bankruptcy restructuring; or interest-only payment terms greater than 90 days where the borrower is unable to amortize the loan.

Collateral dependent TDRs that subsequently default or are placed on nonaccrual are charged down to the fair value of the collateral consistent with United’s policy for nonaccrual loans. 

As discussed in Note 2, in accordance with the CARES Act, United implemented loan modification programs in response to the COVID-19 pandemic in order to provide borrowers with flexibility with respect to repayment terms. These loan modifications were not considered TDRs to the extent that the borrower was impacted by the COVID-19 pandemic and was not more than 30 days past due at December 31, 2019, or in certain circumstances, at the time that the COVID-19 loan modification program was implemented, unless the loan was previously classified as a TDR.

Impaired Loans (Incurred Loss): With the exception of PCI loans, a loan is considered impaired when, based on current events and circumstances, it is probable that all amounts due, according to the contractual terms of the loan, will not be collected. Individually impaired loans are measured based on the present value of expected future cash flows, discounted at the loan’s effective interest rate, at the loan’s observable market price, or the fair value of the collateral if the loan is collateral dependent. Interest revenue on impaired loans is discontinued when the loans meet the criteria for nonaccrual status. Factors considered by management in determining impairment include payment status, collateral value, and the probability of collecting scheduled principal and interest payments when due. Loans that experience insignificant payment delays and payment shortfalls generally are not considered impaired. Management determines the significance of payment delays and payment shortfalls on a case-by-case basis, taking into consideration all of the circumstances surrounding the loan and borrower, including the length of the delay, the reasons for the delay, the borrower’s prior payment record, and the amount of the shortfall in relation to the principal and interest owed.

PCI loans are considered to be impaired when it is probable that United will be unable to collect all the cash flows expected at acquisition, plus additional cash flows expected to be collected arising from changes in estimates after acquisition. Loans that are accounted for in pools are evaluated collectively for impairment on a pool by pool basis based on expected pool cash flows. Discounts continue to be accreted as long as there are expected future cash flows in excess of the current carrying amount of the specifically-reviewed loan or pool. 

Prior to the implementation of CECL, management individually evaluated certain impaired loans on a quarterly basis, including all non-PCI nonaccrual relationships with a balance of $500,000 or greater and all TDRs for impairment. Impairment for

collateral dependent loans within this population is measured based on the fair value of the collateral. If impairment is identified, the loan is generally charged down to the fair value of the underlying collateral, less selling costs. Impairment for non-collateral dependent TDRs within this population is measured based on discounted cash flows or the loan’s observable market price. Impairment identified using these methods would result in the establishment of a specific reserve.

Concentration of Credit Risk

Concentration of Credit Risk: Most of United’s business activity is with customers located within the markets where it has banking operations. Therefore, United’s exposure to credit risk is significantly affected by changes in the economy within its markets. Approximately 69% of United’s loan portfolio is secured by real estate and is therefore susceptible to changes in real estate valuations.

ACL - Loans

ACL- Loans

United implemented CECL upon adoption of ASC 326 on January 1, 2020. The following discussion provides a description of the methodology applied to calculate the ACL under CECL for 2020 and under the Incurred Loss method for periods prior to 2020.

CECL: The ACL is a valuation account that is deducted from the loans' amortized cost basis to present the net amount expected to be collected on the loans. Loans are charged off against the ACL when management believes the uncollectability of a loan balance is confirmed. Accrued interest receivable is excluded from the estimate of credit losses.

Management determines the ACL balance using relevant available information, from internal and external sources, relating to past events, current conditions, and reasonable and supportable forecasts. Historical credit behaviors along with model judgments provide the basis for the estimation of expected credit losses. Adjustments to modeled loss estimates may be made for differences in current loan-specific risk characteristics such as differences in underwriting standards, portfolio mix, delinquency level, or term as well as for changes in environmental conditions, such as changes in economic conditions, property values, or other relevant factors.

The ACL-loans is measured on a collective basis when similar risk characteristics exist. United has identified the following portfolio segments and calculates the ACL for each using a discounted cash flow methodology at the loan level, with loss rates, prepayment assumptions and curtailment assumptions driven by each loan’s collateral type:

Owner occupied commercial real estate - Loans in this category are susceptible to business failure and general economic conditions.

Income producing commercial real estate - Common risks for this loan category are declines in general economic conditions, declines in real estate value, declines in occupancy rates, and lack of suitable alternative use for the property.

Commercial & industrial - Risks to this loan category include the inability to monitor the condition of the collateral, which often consists of inventory, accounts receivable and other non-real estate assets. Equipment and inventory obsolescence can also pose a risk. Declines in general economic conditions and other events can cause cash flows to fall to levels insufficient to service debt.

Commercial construction - Risks common to commercial construction loans are cost overruns, changes in market demand for property, inadequate long-term financing arrangements and declines in real estate values.

Equipment financing - Risks associated with equipment financing are similar to those described for commercial and industrial loans, including general economic conditions, as well as appropriate lien priority on equipment, equipment obsolescence and the general mobility of the collateral.

Residential mortgage - Residential mortgage loans are susceptible to weakening general economic conditions, increases in unemployment rates and declining real estate values.

Home equity lines of credit - Risks common to home equity lines of credit are general economic conditions, including an increase in unemployment rates, and declining real estate values that reduce or eliminate the borrower’s home equity.

Residential construction - Residential construction loans are susceptible to the same risks as residential mortgage loans. Changes in market demand for property lead to longer marketing times resulting in higher carrying costs and declining values.

Consumer - Risks common to consumer direct loans include unemployment and changes in local economic conditions as well as the inability to monitor collateral consisting of personal property.

Indirect auto - Risks common to indirect auto loans include unemployment and changes in local economic conditions as well as the inability to monitor collateral. During 2019, United sold its portfolio of indirect auto loans.

When management determines that foreclosure is probable or when the borrower is experiencing financial difficulty at the reporting date and repayment is expected to be provided substantially through the operation or sale of the collateral, expected credit losses are based on the fair value of the collateral at the reporting date, adjusted for selling costs as appropriate.

When the discounted cash flow method is used to determine the ACL, management adjusts the effective interest rate used to discount expected cash flows to incorporate expected prepayments. The ACL on a TDR is measured using the same method as all other loans held for investment, except that the original interest rate is used to discount the expected cash flows, not the rate specified within the restructuring.

Determining the Contractual Term: Expected credit losses are estimated over the contractual term of the loans, adjusted for expected prepayments when appropriate. The contractual term excludes expected extensions, renewals, and modifications unless either of the following applies: management has a reasonable expectation at the reporting date that a TDR will be executed with an individual borrower or the extension or renewal options are included in the original or modified contract at the reporting date and are not unconditionally cancellable by United.

Incurred Loss ACL: Under the Incurred Loss method, the ACL represents an amount, which, in management’s judgment, is adequate to absorb probable losses on existing loans as of the date of the balance sheet. The Incurred Loss ACL is composed of general reserves, specific reserves, and PCI reserves. General reserves are determined by applying loss percentages to the individual loan categories that are based on actual historical loss experience. Additionally, the general economic and business conditions affecting key lending areas, credit quality trends, collateral values, loan volumes and concentrations, seasoning of the loan portfolio, the findings of internal and external credit reviews and results from external bank regulatory examinations are considered in this evaluation. The need for specific reserves was evaluated on nonaccrual loan relationships greater than $500,000 and all TDRs. The specific reserves were determined on a loan-by-loan basis based on management’s evaluation of United’s exposure for each credit, given the current payment status of the loan and the value of any underlying collateral. Loans for which specific reserves are provided are excluded from the calculation of general reserves. For PCI loans, a valuation allowance is established when it is probable that the Company will be unable to collect all the cash flows expected at acquisition plus additional cash flows expected to be collected arising from changes in estimate after acquisition.

Premises and Equipment

Premises and Equipment

Premises and equipment are stated at cost less accumulated depreciation. Depreciation is computed primarily using the straight line method over the estimated useful lives of the related assets. Costs incurred for maintenance and repairs are expensed as incurred. The range of estimated useful lives for buildings and improvements is 10 to 40 years, for land improvements, 10 years, and for furniture and equipment, 3 to 10 years. United periodically reviews the carrying value of premises and equipment for impairment whenever events or circumstances indicate that the carrying amount of such assets may not be fully recoverable.

Foreclosed Properties (Other Real Estate Owned)

Foreclosed Properties (Other Real Estate Owned)Foreclosed property is initially recorded at fair value, less cost to sell. If the fair value, less cost to sell at the time of foreclosure is less than the loan balance, the deficiency is recorded as a loan charge-off against the ACL. If the fair value, less cost to sell, of the foreclosed property decreases during the holding period, a valuation allowance is established with a charge to operating expenses. When the foreclosed property is sold, a gain or loss is recognized on the sale for the difference between the sales proceeds and the carrying amount of the property.

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

Goodwill is an asset representing the future economic benefits from other assets acquired that are not individually identified and separately recognized. Goodwill is measured as the excess of the consideration transferred, net of the fair value of identifiable assets acquired and liabilities assumed at the acquisition date. Goodwill is not amortized, but instead is tested for impairment annually or more frequently if events or circumstances exist that indicate a goodwill impairment test should be performed.

Other intangible assets, which are initially recorded at fair value, consist of core deposit intangible assets and noncompete agreements resulting from acquisitions. Core deposit intangible assets are amortized on a sum-of-the-years-digits basis over their estimated useful lives. Noncompete agreements, which were fully amortized at December 31, 2019, were amortized on a straight line basis over their estimated useful lives.

Management evaluates other intangible assets for impairment whenever events or changes in circumstances indicate the carrying amount of the asset may not be recoverable.

Transfers of Financial Assets

Transfers of Financial Assets

Transfers of financial assets are accounted for as sales when control over the assets has been relinquished. Control over transferred assets is deemed to be surrendered when the assets have been isolated from United, the transferee obtains the right, free of conditions that constrain it from taking advantage of that right, to pledge or exchange the transferred assets and United does not maintain effective control over the transferred assets through an agreement to repurchase them before maturity.

Servicing Rights

Servicing Rights

United records a separate servicing asset for SBA loans, USDA loans, and residential mortgage loans when the loan is sold but servicing is retained. This asset represents the right to service the loans and receive a fee in compensation. Servicing assets are initially recorded at their fair value as a component of the sale proceeds. The fair value of the servicing assets is based on an analysis of discounted cash flows that incorporates estimates of (1) market servicing costs, (2) market-based prepayment rates, and (3) market profit margins. Servicing assets are included in other assets.

United has elected to subsequently measure the servicing assets for government guaranteed loans and residential mortgage loans at fair value. The rate of prepayment of loans serviced is the most significant estimate involved in the measurement process. Estimates of prepayment rates are based on market expectations of future prepayment rates, industry trends, and other considerations. Actual prepayment rates will differ from those projected by management due to changes in a variety of economic factors, including prevailing interest rates and the availability of alternative financing sources to borrowers. If actual prepayments of the loans being serviced were to occur more quickly than projected, the carrying value of servicing assets might have to be written down through a charge to earnings in the current period. If actual prepayments of the loans being serviced were to occur more slowly than had been projected, the carrying value of servicing assets could increase, and servicing income would exceed previously projected amounts.

United accounts for the servicing liabilities associated with sold equipment financing loans using the amortization method. Servicing liabilities are included in accrued expenses and other liabilities.

BOLI

BOLI

United has purchased life insurance policies on certain key executives and members of management. United has also received life insurance policies on members of acquired bank management teams through acquisitions of other banks. BOLI is recorded at the amount that can be realized under the insurance contract at the balance sheet date, which is the cash surrender value adjusted for other changes or other amounts due that are probable at settlement.

Operating Leases

Operating Leases

Effective January 1, 2019, United records a right-of-use asset, included in other assets, and a related lease liability, included in other liabilities, for eligible operating leases for which it is the lessee, which include leases for land, buildings, and equipment. Payments related to these leases consist primarily of base rent and, in the case of building leases, additional operating costs associated with the leased property such as common area maintenance and utilities. In most cases these operating costs vary over the term of the lease, and therefore are classified as variable lease costs, which are recognized as incurred in the consolidated statement of income. In addition, certain operating leases include costs such as property taxes and insurance, which are recognized as incurred in the consolidated statement of income. Many of United’s operating leases contain renewal options, which are included in the measurement of the right-of-use asset and lease liability only to the extent they are reasonably certain to be exercised. United also subleases and leases certain real estate properties to third parties under operating leases. United does not recognize a lease liability or right-of-use asset on the consolidated balance sheet related to short-term leases with a term of less than one year. Lease payments for short-term leases are recognized as expense over the lease term.

Loan Commitments and Related Financial Instruments

Loan Commitments and Related Financial Instruments

Financial instruments include off-balance sheet credit instruments such as commitments to make loans and commercial letters of credit issued to meet customer financing needs. The face amount for these items represents the exposure to loss before considering customer collateral or ability to repay. Such financial instruments are recorded when they are funded.

Revenue from Contracts with Customers

Revenue from Contracts with Customers

In addition to lending and related activities, United offers various services to customers that generate revenue, certain of which are governed by ASC Topic 606 Revenue from Contracts with Customers. United’s services that fall within the scope of this topic are presented within noninterest income and include service charges and fees, wealth management fees, and other transaction-based fees. Revenue is recognized when the transactions occur or as services are performed over primarily monthly or quarterly periods. Payment is typically received in the period the transactions occur. Fees may be fixed or, where applicable, based on a percentage of transaction size.

Income Taxes

Income Taxes

DTAs and DTLs are recorded for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Future tax benefits are recognized to the extent that realization of such benefits is more likely than not. DTAs and DTLs are measured using enacted tax rates expected to apply to taxable income in the years in which the assets and liabilities are expected to be recovered or settled. The effect of a change in tax rates on DTAs and DTLs is recognized in income taxes during the period that includes the enactment date.

In the event the future tax consequences of differences between the financial reporting bases and the tax bases of assets and liabilities results in DTAs, an evaluation of the probability of being able to realize the future benefits indicated by such asset is required. A valuation allowance is provided for the portion of the DTA when it is more likely than not that some or all of the DTA will not be realized. In assessing the realizability of the DTAs, management considers the scheduled reversals of DTLs, projected future taxable earnings and prudent and feasible tax planning strategies. Management weighs both the positive and negative evidence, giving more weight to evidence that can be objectively verified.

The income tax benefit or expense is the total of the current year income tax due or refundable and the change in DTAs and DTLs.

A tax position is recognized as a benefit only if it is “more likely than not” that the tax position would be sustained in a tax examination, with a tax examination being presumed to occur. The amount recognized is the largest amount of tax benefit that is greater than 50 percent likely of being realized on examination. For tax positions not meeting the “more likely than not” test, no tax benefit is recorded.

United recognizes interest and / or penalties related to income tax matters in income tax expense.

Derivative Instruments and Hedging Activities

Derivative Instruments and Hedging Activities

United’s interest rate risk management strategy incorporates the use of derivative instruments to minimize fluctuations in net income that are caused by interest rate volatility. The objective is to manage interest rate sensitivity by modifying the repricing or maturity characteristics of certain balance sheet assets and liabilities so that net interest revenue and certain interest sensitive components of noninterest revenue are not, on a material basis, adversely affected by movements in interest rates. United views

this strategy as a prudent management of interest rate risk, such that net income is not exposed to undue risk presented by changes in interest rates. In carrying out this part of its interest rate risk management strategy, management uses derivatives, primarily interest rate swaps. Interest rate swaps generally involve the exchange of fixed- and variable-rate interest payments between two parties, based on a common notional principal amount and maturity date. United has also occasionally used interest rate caps to serve as an economic macro hedge of exposure to rising interest rates.

United originates certain residential mortgage loans with the intention of selling these loans. Between the time United enters into an interest-rate lock commitment to originate a residential mortgage loan that is to be held for sale and the time the loan is funded and eventually sold, the Company is subject to the risk of variability in market prices. United enters into forward sale agreements to mitigate risk and to protect the expected gain on the eventual loan sale. The commitments to originate residential mortgage loans and forward loan sales commitments are freestanding derivative instruments which are entered into as part of an economic hedging strategy to manage exposure related to mortgage loans held for sale.

To accommodate customers, United enters into interest rate swaps or caps with certain commercial loan customers, with offsetting positions to dealers under a back-to-back swap/cap program. In addition, United occasionally enters into credit risk participation agreements with counterparty banks to accept a portion of the credit risk related to interest rate swaps. This allows customers to execute an interest rate swap with one bank while allowing for the distribution of the credit risk among participating members. Credit risk participation agreements arise when United contracts with other financial institutions, as a guarantor, to share credit risk associated with certain interest rate swaps. These agreements provide for reimbursement of losses resulting from a third party default on the underlying swap. These transactions are typically executed in conjunction with a participation in a loan with the same customer. Collateral used to support the credit risk for the underlying lending relationship is also available to offset the risk of the credit risk participation.

United classifies its derivative financial instruments as either (1) a hedge of an exposure to changes in the fair value of a recorded asset or liability (“fair value hedge”), (2) a hedge of an exposure to changes in the cash flows of a recognized asset, liability or forecasted transaction (“cash flow hedge”), or (3) derivatives not designated as accounting hedges. Changes in the fair value of derivatives not designated as hedges are recognized in current period earnings. United has master netting agreements with the derivatives dealers with which it does business, but reflects gross assets and liabilities at fair value on the consolidated balance sheets. 

United assesses hedge effectiveness at inception and over the life of the hedge. Management documents, at inception, its analysis of actual and expected hedge effectiveness. This analysis includes techniques such as regression analysis and hypothetical derivatives to demonstrate that the hedge is expected to be highly effective in offsetting corresponding changes in the fair value or cash flows of the hedged item. At least quarterly thereafter, the terms of the hedging instrument and the hedged item are assessed to determine whether a material change has occurred relating to the hedge relationship. If it is determined that a change has occurred, a quantitative analysis as described will occur to determine whether the hedge is expected to be highly effective in offsetting future corresponding changes in the fair value or cash flows of the hedged item. For a qualifying fair value hedge, the changes in the value of derivatives are recognized in current period earnings along with the corresponding changes in the fair value of the designated hedged item attributable to the risk being hedged. For a qualifying cash flow hedge, the changes in the fair value of the derivatives that have been highly effective are recognized in other comprehensive income until the related cash flows from the hedged item are recognized in earnings. 

For fair value hedges and cash flow hedges, ineffectiveness is recognized in the same income statement line as interest accruals on the hedged item to the extent that changes in the value of the derivative instruments do not perfectly offset changes in the value of the hedged items. If the hedge ceases to be highly effective, United discontinues hedge accounting and recognizes the changes in fair value in current period earnings. If a derivative that qualifies as a fair value or cash flow hedge is terminated or the designation removed, the realized or then unrealized gain or loss is recognized into income over the life of the hedged item (fair value hedge) or over the time when the hedged item was forecasted to impact earnings (cash flow hedge). Immediate recognition in earnings is required upon sale or extinguishment of the hedged item (fair value hedge) or if it is probable that the hedged cash flows will not occur (cash flow hedge). 

By using derivative instruments, United is exposed to credit and market risk. If the counterparty fails to perform, credit risk is represented by the fair value gain in a derivative. When the fair value of a derivative contract is positive, this situation generally indicates that the counterparty is obligated to pay United, and, therefore, creates a repayment risk for United. When the fair value of a derivative contract is negative, United is obligated to pay the counterparty and, therefore, has no repayment risk. United minimizes the credit risk in non-customer derivative instruments by entering into transactions with high-quality counterparties

that are reviewed periodically by management. United also requires non-customer counterparties to pledge cash as collateral to cover the net exposure. All new non-customer derivatives that can be cleared are cleared through a central clearinghouse, which reduces counterparty exposure. 

Derivative activities are monitored by the ALCO as part its oversight of asset/liability and treasury functions. The ALCO is responsible for implementing various hedging strategies that are developed through its analysis of data from financial simulation models and other internal and industry sources. The resulting hedging strategies are then incorporated into the overall interest-rate risk management process.

Acquisition Activities

Acquisition Activities

United accounts for business combinations under the acquisition method of accounting. Assets acquired and liabilities assumed are measured and recorded at fair value at the date of acquisition, including identifiable intangible assets. If the fair value of net assets purchased exceeds the fair value of consideration paid, a bargain purchase gain is recognized at the date of acquisition. Conversely, if the consideration paid exceeds the fair value of the net assets acquired, goodwill is recognized at the acquisition date. Fair values are subject to refinement for a period not to exceed one year after the closing date of an acquisition as information relative to closing date fair values becomes available.

Fair values for acquired loans are generally based on a discounted cash flow methodology that considers credit loss expectations, market interest rates and other market factors such as liquidity from the perspective of a market participant. Loans are grouped together according to similar characteristics and are generally treated in the aggregate when applying various valuation techniques. The probability of default, loss given default and prepayment assumptions are the key factors driving credit losses which are embedded into the estimated cash flows. These assumptions are informed by internal data on loan characteristics, historical loss experience, and current and forecasted economic conditions. The interest and liquidity component of the estimate is determined by discounting interest and principal cash flows through the expected life of each loan. The discount rates used for loans are based on current market rates for new originations of comparable loans and include adjustments for liquidity. The discount rate does not include a factor for credit losses as that has been included as a reduction to the estimated cash flows. For additional information about the accounting for purchased loans see PCD Loans (CECL) under the Loans and Leases section of this footnote.

All identifiable intangible assets that are acquired in a business combination are recognized at fair value on the acquisition date. Identifiable intangible assets are recognized separately if they arise from contractual or other legal rights or if they are separable (i.e., capable of being sold, transferred, licensed, rented, or exchanged separately from the entity). Deposit liabilities and the related depositor relationship intangible assets may be exchanged in observable exchange transactions. As a result, the depositor relationship intangible asset is considered identifiable, because the separability criterion has been met.

Earnings Per Common Share

Earnings Per Common ShareBasic earnings per common share is net income available to common shareholders divided by the weighted average number of shares of common stock outstanding during the period. All outstanding unvested share-based payment awards that contain rights to nonforfeitable dividends are considered participating securities for this calculation. Additionally, shares issuable to participants in United’s deferred compensation plan are considered to be participating securities for purposes of calculating basic earnings per share. Accordingly, net income available to common shareholders is calculated pursuant to the two-class method, whereby net income after subtracting preferred stock dividends is allocated between common shareholders and participating securities. Diluted earnings per common share includes the dilutive effect of additional potential shares of common stock issuable under stock options, unvested restricted stock units without nonforfeitable rights to dividends, warrants and securities convertible into common stock.

Loss Contingencies

Loss ContingenciesLoss contingencies, including claims and legal actions arising in the ordinary course of business, are recorded as liabilities when the likelihood of loss is probable and an amount or range of loss can be reasonably estimated. Management does not believe there are such matters that will have a material effect on the financial statements.

Dividend Restrictions

Dividend Restrictions

Banking regulations require maintaining certain capital levels and may limit dividends paid by the Bank to the Holding Company or by the Holding Company to shareholders. The Board may declare dividends from the Bank to the Holding Company out of retained earnings of up to fifty percent of the Bank’s net income from the previous year without notifying or seeking approval

from the GADBF as long as total classified assets do not exceed 80% of tier 1 capital and the tier 1 risk based capital ratio is not less than 6%. Dividends paid by the Bank to the Holding Company in excess of that amount require pre-approval of the GADBF.

Fair Value of Financial Instruments

Fair Value of Financial InstrumentsFair values of financial instruments are estimated using relevant market information and other assumptions as more fully disclosed in Note 14. Fair value estimates involve uncertainties and matters of significant judgment regarding interest rates, credit risk, prepayments, and other factors, especially in the absence of broad markets for particular items. Changes in assumptions or in market conditions could significantly affect these estimates.

Stock-Based Compensation

Stock-Based CompensationUnited uses the fair value method of recognizing expense for stock-based compensation based on the fair value of option and restricted stock unit awards at the date of grant. United accounts for forfeitures as they occur.

Accounting Standards Updates and Recently Adopted Standards

Recently Adopted Standards

On January 1, 2020, United adopted ASC 326, which replaced the Incurred Loss framework in prior GAAP with a CECL framework. The CECL framework requires an estimate of expected credit losses for the remaining estimated life of the financial asset using historical experience, current conditions, and reasonable and supportable forecasts and generally applies to financial assets measured at amortized cost, including loan receivables and held-to-maturity debt securities, and some off-balance sheet credit exposures such as unfunded commitments to extend credit. Financial assets measured at amortized cost will be presented at the net amount expected to be collected by using an ACL. PCD loans will receive an initial allowance at the acquisition date that represents an adjustment to the amortized cost basis of the loan, with no impact to earnings. Credit losses relating to available-for-sale debt securities will be recorded through an ACL prospectively, with such allowance limited to the amount by which fair value is below amortized cost.

United adopted ASC 326 as of January 1, 2020 using the modified retrospective method for loans, leases and off-balance sheet credit exposures. Adoption of this guidance resulted in an $8.75 million increase in the ACL, comprised of increases in the ACL for loans of $6.88 million and the ACL for unfunded commitments of $1.87 million, with $3.59 million of the increase reclassified from the amortized cost basis of PCD financial assets. The cumulative effect adjustment to retained earnings was $3.53 million, net of tax. Calculated credit losses on held-to-maturity debt securities were not material and there was no impact to the available-for-sale securities portfolio or other financial instruments. Results for reporting periods beginning after January 1, 2020 are presented under ASC 326 while prior period amounts continue to be reported in accordance with Incurred Loss.

The ACL for the majority of loans and leases was calculated using a discounted cash flow methodology applied at a loan level with a one-year reasonable and supportable forecast period and a two-year straight-line reversion period. In connection with the adoption, management has implemented changes to relevant systems, processes and controls where necessary. United’s CECL allowance will fluctuate over time due to macroeconomic conditions and forecasts as well as the size and composition of the loan portfolios. United has adopted the relief provided by federal banking regulatory agencies for the delay of the adverse capital impact of CECL at adoption and during the subsequent two-year period following adoption. This optional two-year delay is followed by an optional three-year transition period to phase out the aggregate amount of capital benefit provided during the initial two-year delay. Under the transition provision, the amount of aggregate capital benefit is phased out by 25% each year with the full impact of adoption completely recognized by the beginning of the sixth year.

United adopted ASC 326 using the prospective transition approach for PCD assets that were previously classified as PCI. In accordance with the standard, management did not reassess whether PCI assets met the criteria of PCD assets as of the date of adoption. As mentioned above, the amortized cost basis of the PCD assets was adjusted to reflect the addition of $3.59 million to the ACL. The remaining noncredit discount (based on the adjusted amortized cost basis) is being accreted into interest income at a rate that approximates the effective interest rate beginning on January 1, 2020.

With regard to PCD assets, because United elected to disaggregate the former PCI pools and no longer considers these pools to be the unit of account, contractually delinquent PCD loans are now being reported as nonaccrual loans using the same criteria as other loans. Similarly, although management did not reassess whether modifications to individual acquired financial assets accounted for in pools were TDRs as of the date of adoption, PCD loans that are restructured and meet the definition of TDR after the adoption of ASC 326 are being reported as such.

In addition to the aforementioned elections, United made the following elections at adoption:

•not to measure an ACL for accrued interest receivable and instead elected to reverse interest income on those loans that are 90 days past due;

•to exclude accrued interest receivable from the amortized cost basis of financial instruments subject to ASC 326 and to separately state the balance of accrued interest receivable on the consolidated balance sheet;

•to adjust the discount rate used to calculate credit losses for expected prepayments and is including all changes in discounted cash flows as credit loss; and

•as a practical expedient, elected to use the fair value of collateral when determining the ACL for loans if repayment is expected to be provided substantially through the operation or sale of the collateral when the borrower is experiencing financial difficulty (collateral-dependent loans).

On March 27, 2020, the CARES Act was signed into law, with certain relief extended in December 2020 by the Consolidated Appropriations Act, 2021. Additional COVID-19 pandemic relief was granted by the bank regulatory agencies through a series of interagency statements issued during 2020. The CARES Act, as extended, and the interagency statements include a number of provisions that were applicable to United, including the following:

•Accounting Relief for TDRs: The CARES Act provides that modifications under certain forbearance conditions for loans that were not more than 30 days past due at December 31, 2019 will not be considered TDRs for regulatory reporting and GAAP. This exemption period ends on the earlier of January 1, 2022 or the date that is 60 days after the termination date of the national emergency. The interagency statements provide additional relief from TDR status for certain short-term deferrals related to the COVID-19 pandemic for borrowers that were current at the time a modification program was implemented or at the time of the modification itself.

•Optional Delay and Regulatory Relief for ASC 326 Adoption: The CARES Act stipulates that large SEC filers have the option of delaying the adoption of ASC 326 from January 1, 2020 to the earlier of the end of the COVID-19 emergency period or December 31, 2020. Banks that were required to implement ASC 326 by the end of 2020 were granted the option to defer any impact on regulatory capital for two years before beginning the original three-year regulatory phase-in period, for a total five-year phase-in period. Although United did not elect to delay the adoption of ASC 326, the Company elected the five-year phase-in period for regulatory capital purposes, as discussed above.

•PPP: The CARES Act creates the PPP through the SBA, which allowed United to lend money to small businesses to maintain employee payrolls and pay other qualified expenses during the crisis with guarantees from the SBA. Under this program, loan amounts may be forgiven if the proceeds are used for payroll and other permitted expenses in accordance with the requirements of the PPP.

In March 2020, the FASB issued ASU No. 2020-03, Codification Improvements to Financial Instruments. This update clarified certain minor issues within the codification, including, among other things, debt securities disclosure for financial institutions and determination of the contractual term of a net investment in a lease. The standard was effective immediately, and did not have a material impact on the consolidated financial statements.

In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting. This update, the scope of which was clarified with ASU No. 2021-01 in January of 2021, provides expedients for contracts that are modified because of reference rate reform, including receivables, debt, leases, and certain derivatives. In addition, the update provides a one-time election to sell or transfer debt securities classified as held-to-maturity that reference a rate that is affected by reference rate reform. The update is effective as of March 12, 2020 through December 31, 2022. At the time of adoption, there was no material impact on the consolidated financial statements, although United anticipates optional expedients adopted such as contract modification and hedge accounting will provide relief otherwise not provided through December 31, 2022.

In April 2019, the FASB issued ASU No. 2019-04, Codification Improvements to Topic 326, Financial Instruments - Credit Losses, Topic 815, Derivatives and Hedging, and Topic 825 Financial Instruments. In addition to amending guidance related to the new CECL standard, this update clarifies certain aspects of hedge accounting and recognition and measurement of financial instruments. United adopted this update as of January 1, 2020, with no material impact on the consolidated financial statements.

In January 2017, the FASB issued ASU No. 2017-04, Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment. This update eliminates Step 2 from the goodwill impairment test, which required an entity to calculate the

implied fair value of goodwill by valuing a reporting unit’s assets and liabilities using the same process that would be required to value assets and liabilities in a business combination. Instead, the amendments require that an entity perform its annual goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount. United adopted this update as of January 1, 2020, with no material impact on the consolidated financial statements.

Accounting Standards Updates Not Yet Adopted as of December 31, 2020

In October 2020, the FASB issued ASU No. 2020-10, Codification Improvements. In addition to consolidating existing disclosure guidance into a single codification section to reduce the likelihood of a required disclosure being missed, this update clarifies the application of select guidance in cases where the original guidance may have been unclear. Adoption of this update, which is effective for United as of January 1, 2021, is not expected to have a material impact on the consolidated financial statements.

In October 2020, the FASB issued ASU No. 2020-08, Codification Improvements to Subtopic 310-20, Receivables—Nonrefundable Fees and Other Costs. This update clarifies that an entity should reevaluate whether a callable debt security meets the criteria to adjust the amortization period of any related premium at each reporting period. Adoption of this update, which is effective for United as of January 1, 2021, is not expected to have a material impact on the consolidated financial statements.

In January 2020, the FASB issued ASU No. 2020-01, Investments—Equity Securities (Topic 321), Investments—Equity Method and Joint Ventures (Topic 323), and Derivatives and Hedging (Topic 815)—Clarifying the Interactions between Topic 321, Topic 323, and Topic 815 (a consensus of the Emerging Issues Task Force). This update clarifies whether an entity should consider observable transactions that require it to either apply or discontinue the equity method of accounting for the purposes of applying the measurement alternative and how to account for certain forward contracts and purchased options to purchase securities. For public entities, this guidance is effective for fiscal years beginning after December 15, 2020. United does not expect the new guidance to have a material impact on the consolidated financial statements.

In December 2019, the FASB issued ASU No. 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes. This update removes several exceptions related to intraperiod tax allocation when there is a loss from continuing operations and income from other items, foreign subsidiaries becoming equity method investments and vice versa, and calculating income taxes in an interim period when a year-to-date loss exceeds the anticipated loss for the year. The guidance also amends requirements related to franchise tax that is partially based on income, a step up in the tax basis of goodwill, allocation of consolidated tax expense to a legal entity not subject to tax in its separate financial statements, the effects of enacted changes in tax laws and other minor codification improvements regarding employee stock ownership plans and investments in qualified affordable housing projects. For public entities, this guidance is effective for fiscal years beginning after December 15, 2020. United does not expect the new guidance to have a material impact on the consolidated financial statements.

In August 2018, the FASB issued ASU No. 2018-14, Compensation - Retirement Benefits - Defined Benefit Plans - General (Subtopic 715-20): Disclosure Framework - Changes to the Disclosure Requirements for Defined Benefit Plans. The update removes disclosures that are no longer considered cost beneficial, clarifies specific requirements of disclosures, and adds disclosure requirements identified as relevant. For public entities, this guidance is effective for fiscal years ending after December 15, 2020 and requires retrospective application to prior periods presented. United does not expect the new guidance to have a material impact on the consolidated financial statements.

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Mergers and Acquisitions (Tables)

12 Months Ended

Dec. 31, 2020

Business Acquisition [Line Items]

Schedule of actual results and pro forma information

The following table presents the actual results and pro forma information for the periods indicated (in thousands).

	(Unaudited) Year Ended December 31,
	Revenue		Net Income
2020
Actual Three Shores results included in statement of income since acquisition date	$	24,541	$	6,800
Supplemental consolidated pro forma as if Three Shores had been acquired January 1, 2019	597,729		168,717
2019
Actual FMBT results included in statement of income since acquisition date	$	7,525	$	4,053
Supplemental consolidated pro forma as if Three Shores had been acquired on January 1, 2019 and FMBT had been acquired January 1, 2018	636,079		210,232
2018
Actual Navitas results included in the statement of income since acquisition date	$	24,285	$	7,149
Supplemental consolidated pro forma as if FMBT had been acquired January 1, 2018 and Navitas had been acquired January 1, 2017	539,152		171,218

Three Shores

Business Acquisition [Line Items]

Schedule of purchased assets and assumed liabilities

The purchased assets and assumed liabilities were recorded at their acquisition date fair values and are summarized in the table below (in thousands). 

	Fair Value Recorded by United
Assets
Cash and cash equivalents	$	219,807
Debt securities	381,740
Loans	1,427,966
Premises and equipment, net	1,584
Accrued interest receivable	7,681
Derivative assets	11,800
Net deferred tax asset	15,061
Core deposit intangible	3,360
Other assets	65,340
Total assets acquired	2,134,339
Liabilities
Deposits	1,802,694
FHLB advances and long-term debt	144,121
Derivative liabilities	12,165
Other liabilities	28,046
Total liabilities assumed	1,987,026
Total identifiable net assets	147,313
Consideration transferred
Cash	24,108
Common stock issued (8,130,633 shares)	163,589
Total fair value of consideration transferred	187,697
Goodwill	$	40,384

Schedule of additional information related to acquired loan portfolio

The following table presents additional information related to the acquired loan portfolio at the acquisition date (in thousands):

	July 1, 2020
PCD loans:
Par Value	$	283,137
ACL at acquisition	(11,152)
Non-credit discount	(8,694)
Purchase price	$	263,291
Non-PCD loans:
Fair value	$	1,164,675
Gross contractual amounts receivable	1,358,793
Estimate of contractual cash flows not expected to be collected	76,503

FMBT

Business Acquisition [Line Items]

Schedule of purchased assets and assumed liabilities

The purchased assets and assumed liabilities were recorded at their acquisition date fair values and are summarized in the table below (in thousands). 

	Fair Value Recorded by United
Assets
Cash and cash equivalents	$	32,548
Loans	192,494
Premises and equipment, net	8,524
BOLI	6,823
Net deferred tax asset	157
Core deposit intangible	2,800
Other assets	1,278
Total assets acquired	244,624
Liabilities
Deposits	212,127
Other liabilities	717
Total liabilities assumed	212,844
Total identifiable net assets	31,780
Cash consideration transferred	52,093
Goodwill	$	20,313

Schedule of additional information related to acquired loan portfolio

The following table presents additional information related to the acquired loan portfolio at the acquisition date (in thousands):

	May 1, 2019
PCI loans:
Contractually required principal and interest	$	13,145
Non-accretable difference	2,517
Cash flows expected to be collected	10,628
Accretable yield	1,300
Fair value	$	9,328
Non-PCI loans:
Fair value	$	183,166
Gross contractual amounts receivable	218,855
Estimate of contractual cash flows not expected to be collected	8,826

Navitas

Business Acquisition [Line Items]

Schedule of purchased assets and assumed liabilities

The purchased assets and assumed liabilities were recorded at their acquisition date fair values and are summarized in the table below (in thousands). 

	Fair Value Recorded by United
Assets
Cash and cash equivalents	$	27,700
Loans and leases, net	358,352
Premises and equipment, net	324
Net deferred tax asset	2,873
Other assets	4,051
Total assets acquired	393,300
Liabilities
Short-term borrowings	214,923
Long-term debt	119,402
Other liabilities	16,108
Total liabilities assumed	350,433
Total identifiable net assets	42,867
Consideration transferred
Cash	84,500
Common stock issued (1,443,987 shares)	45,746
Total fair value of consideration transferred	130,246
Goodwill	$	87,379

Schedule of additional information related to acquired loan portfolio

The following table presents additional information related to the acquired loan and lease portfolio at the acquisition date (in thousands).

	February 1, 2018
PCI loans:
Contractually required principal and interest	$	24,711
Non-accretable difference	5,505
Cash flows expected to be collected	19,206
Accretable yield	1,977
Fair value	$	17,229
Non-PCI loans:
Fair value	$	341,123
Gross contractual amounts receivable	389,432
Estimate of contractual cash flows not expected to be collected	8,624

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Investment Securities (Tables)

12 Months Ended

Dec. 31, 2020

Investments, Debt and Equity Securities [Abstract]

Schedule of cost basis, unrealized gains and losses, and fair value of debt securities held-to-maturity

The cost basis, unrealized gains and losses, and fair value of debt securities held-to-maturity as of the dates indicated are as follows (in thousands): 

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
As of December 31, 2020
U.S. Government agencies & GSEs	$	10,575	$	26	$	11	$	10,590
State and political subdivisions	197,723		7,658		242		205,139
Residential mortgage-backed, Agency & GSE	113,400		4,774		1		118,173
Commercial mortgage-backed, Agency & GSE	98,663		4,874		246		103,291
Total	$	420,361	$	17,332	$	500	$	437,193
As of December 31, 2019
State and political subdivisions	$	45,479	$	1,574	$	9	$	47,044
Residential mortgage-backed, Agency & GSE	153,967		2,014		694		155,287
Commercial mortgage-backed, Agency & GSE	84,087		1,627		141		85,573
Total	$	283,533	$	5,215	$	844	$	287,904

Schedule of cost basis, unrealized gains and losses, and fair value of debt securities available-for-sale

The cost basis, unrealized gains and losses, and fair value of debt securities available-for-sale as of the dates indicated are as follows (in thousands):

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
As of December 31, 2020
U.S. Treasuries	$	123,677	$	4,395	$	—	$	128,072
U.S. Government agencies & GSEs	152,596		701		325		152,972
State and political subdivisions	253,630		20,891		49		274,472
Residential mortgage-backed, Agency & GSE	1,275,551		29,107		766		1,303,892
Residential mortgage-backed, Non-agency	174,322		7,499		128		181,693
Commercial mortgage-backed, Agency & GSE	524,852		8,013		597		532,268
Commercial mortgage-backed, Non-agency	15,350		1,513		—		16,863
Corporate bonds	70,057		1,711		1		71,767
Asset-backed securities	562,076		1,278		632		562,722
Total	$	3,152,111	$	75,108	$	2,498	$	3,224,721
As of December 31, 2019
U.S. Treasuries	$	152,990	$	1,628	$	—	$	154,618
U.S. Government agencies & GSEs	2,848		188		1		3,035
State and political subdivisions	214,677		11,813		—		226,490
Residential mortgage-backed, Agency & GSE	1,030,948		12,022		726		1,042,244
Residential mortgage-backed, Non-agency	250,550		6,231		—		256,781
Commercial mortgage-backed, Agency & GSE	266,770		2,261		128		268,903
Commercial mortgage-backed, Non-agency	15,395		918		263		16,050
Corporate bonds	202,131		1,178		218		203,091
Asset-backed securities	104,298		743		1,672		103,369
Total	$	2,240,607	$	36,982	$	3,008	$	2,274,581

Schedule of debt securities held to maturity in an unrealized loss position

The following summarizes debt securities held-to-maturity in an unrealized loss position as of the dates indicated (in thousands):

	Less than 12 Months				12 Months or More				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
As of December 31, 2020
U.S. Government agencies & GSEs	$	4,677	$	11	$	—	$	—	$	4,677	$	11
State and political subdivisions	14,870		242		—		—		14,870		242
Residential mortgage-backed, Agency & GSE	999		1		—		—		999		1
Commercial mortgage-backed, Agency & GSE	24,956		236		1,352		10		26,308		246
Total unrealized loss position	$	45,502	$	490	$	1,352	$	10	$	46,854	$	500
As of December 31, 2019
State and political subdivisions	$	10,117	$	9	$	—	$	—	$	10,117	$	9
Residential mortgage-backed, Agency & GSE	16,049		64		48,237		630		64,286		694
Commercial mortgage-backed, Agency & GSE	21,841		87		1,685		54		23,526		141
Total unrealized loss position	$	48,007	$	160	$	49,922	$	684	$	97,929	$	844

Schedule of debt securities available for sale in an unrealized loss position

The following summarizes debt securities available-for-sale in an unrealized loss position as of the dates indicated (in thousands):

	Less than 12 Months				12 Months or More				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
As of December 31, 2020
U.S. Government agencies & GSEs	$	27,952	$	324	$	607	$	1	$	28,559	$	325
State and political subdivisions	9,402		49		—		—		9,402		49
Residential mortgage-backed, Agency & GSE	232,199		766		—		—		232,199		766
Residential mortgage-backed, Non-agency	2,331		128		—		—		2,331		128
Commercial mortgage-backed, Agency & GSE	89,918		597		—		—		89,918		597
Corporate bonds	1,410		1		—		—		1,410		1
Asset-backed securities	87,305		28		53,587		604		140,892		632
Total unrealized loss position	$	450,517	$	1,893	$	54,194	$	605	$	504,711	$	2,498
As of December 31, 2019
U.S. Government agencies & GSEs	$	404	$	1	$	—	$	—	$	404	$	1
Residential mortgage-backed, Agency & GSE	228,611		576		18,294		150		246,905		726
Commercial mortgage-backed, Agency & GSE	—		—		33,517		128		33,517		128
Commercial mortgage-backed, Non-agency	—		—		4,864		263		4,864		263
Corporate bonds	19,742		216		998		2		20,740		218
Asset-backed securities	32,294		625		38,990		1,047		71,284		1,672
Total unrealized loss position	$	281,051	$	1,418	$	96,663	$	1,590	$	377,714	$	3,008

Schedule of available-for-sale securities sales activity

Realized gains and losses are derived using the specific identification method for determining the cost of the securities sold. The following summarizes securities sales activities for the years ended December 31 (in thousands): 

	2020		2019		2018
Proceeds from sales	$	40,625	$	352,106	$	168,891
Gross gains on sales	$	748	$	1,843	$	2,082
Gross losses on sales	—		(2,864)		(2,738)
Net gains (losses) on sales of securities	$	748	$	(1,021)	$	(656)
Income tax expense (benefit) attributable to sales	$	191	$	(247)	$	(132)

Schedule of amortized cost and fair value of available-for-sale and held-to-maturity securities by contractual maturity

The amortized cost and fair value of debt available-for-sale and held-to-maturity securities at December 31, 2020, by contractual maturity, are presented in the following table (in thousands). Expected maturities may differ from contractual maturities because issuers and borrowers may have the right to call or prepay obligations. 

	Available-for-Sale				Held-to-Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Within 1 year:
U.S. Treasuries	$	20,014	$	20,311	$	—	$	—
U.S. Government agencies & GSEs	201		201		—		—
State and political subdivisions	20,020		20,232		1,700		1,743
Corporate bonds	11,441		11,592		—		—
	51,676		52,336		1,700		1,743
1 to 5 years:
U.S. Treasuries	103,663		107,761		—		—
U.S. Government agencies & GSEs	16,710		16,820		—		—
State and political subdivisions	48,354		51,544		14,505		16,059
Corporate bonds	44,636		45,837		—		—
	213,363		221,962		14,505		16,059
5 to 10 years:
U.S. Government agencies & GSEs	55,588		55,481		—		—
State and political subdivisions	59,837		64,843		7,028		7,957
Corporate bonds	13,206		13,485		—		—
	128,631		133,809		7,028		7,957
More than 10 years:
U.S. Government agencies & GSEs	80,097		80,470		10,575		10,590
State and political subdivisions	125,419		137,853		174,490		179,380
Corporate bonds	774		853		—		—
	206,290		219,176		185,065		189,970
Debt securities not due at a single maturity:
Asset-backed securities	562,076		562,722		—		—
Residential mortgage-backed securities	1,449,873		1,485,585		113,400		118,173
Commercial mortgage-backed securities	540,202		549,131		98,663		103,291
Total	$	3,152,111	$	3,224,721	$	420,361	$	437,193

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Loans and Leases and Allowance for Credit Losses (Tables)

12 Months Ended

Dec. 31, 2020

Receivables [Abstract]

Schedule of major classifications of loans and lease portfolio

Major classifications of the loan and lease portfolio (collectively referred to as the “loan portfolio” or “loans”) are summarized as of the dates indicated as follows (in thousands):

	December 31,
	2020		2019
Owner occupied commercial real estate	$	2,090,443	$	1,720,227
Income producing commercial real estate	2,540,750		2,007,950
Commercial & industrial(1)	2,498,560		1,220,657
Commercial construction	967,305		976,215
Equipment financing	863,830		744,544
Total commercial	8,960,888		6,669,593
Residential mortgage	1,284,920		1,117,616
Home equity lines of credit	697,117		660,675
Residential construction	281,430		236,437
Consumer	146,460		128,232
Total loans	11,370,815		8,812,553
Less ACL - loans	(137,010)		(62,089)
Loans, net	$	11,233,805	$	8,750,464

(1) Commercial and industrial loans as of December 31, 2020 included $646 million of PPP loans.

Schedule of loans sold

The following table presents loans sold by United for the periods presented (in thousands). The gains and losses on these loan sales were included in noninterest income on the consolidated statements of income.

	Loans Sold
	2020		2019		2018
Guaranteed portion of SBA/USDA loans	$	48,385	$	81,158	$	120,977
Equipment financing receivables	27,018		30,952		—
Indirect auto loans	—		102,789		—
Total	$	75,403	$	214,899	$	120,977

Schedule of components of net investment in leases

At December 31, 2020 and 2019, equipment financing assets included leases of $36.8 million and $37.4 million, respectively. The components of the net investment in leases, which included both sales-type and direct financing, are presented below (in thousands). 

	December 31,
	2020		2019
Minimum future lease payments receivable	$	38,934	$	39,709
Estimated residual value of leased equipment	3,263		3,631
Initial direct costs	672		842
Security deposits	(727)		(989)
Purchase accounting premium	117		273
Unearned income	(5,457)		(6,088)
Net investment in leases	$	36,802	$	37,378

Schedule of minimum future lease payments expected to be received from equipment financing lease contracts

Minimum future lease payments expected to be received from equipment financing lease contracts as of December 31, 2020 were as follows (in thousands): 

Year
2021	$	15,152
2022	11,516
2023	7,452
2024	3,429
2025	1,341
Thereafter	44
Total	$	38,934

Schedule of loans by aging category and accrual status

The following table presents the amortized cost basis in loans by aging category and accrual status as of December 31, 2020 (in thousands). Short-term deferrals of approximately $70.7 million related to the COVID-19 crisis are not reported as past due during the deferral period.

	Accruing
			Loans Past Due
	Current Loans		30 - 59 Days		60 - 89 Days		> 90 Days		Nonaccrual Loans		Total Loans
As of December 31, 2020
Owner occupied commercial real estate	$	2,079,845	$	2,013	$	3	$	—	$	8,582	$	2,090,443
Income producing commercial real estate	2,522,743		1,608		1,250		—		15,149		2,540,750
Commercial & industrial	2,480,483		1,176		267		—		16,634		2,498,560
Commercial construction	964,947		231		382		—		1,745		967,305
Equipment financing	856,985		2,431		1,009		—		3,405		863,830
Total commercial	8,905,003		7,459		2,911		—		45,515		8,960,888
Residential mortgage	1,265,019		5,549		1,494		—		12,858		1,284,920
Home equity lines of credit	692,504		1,942		184		—		2,487		697,117
Residential construction	280,551		365		—		—		514		281,430
Consumer	145,770		429		36		—		225		146,460
Total loans	$	11,288,847	$	15,744	$	4,625	$	—	$	61,599	$	11,370,815

The following table presents the aging of recorded investment in loans, including accruing and nonaccrual loans, as of December 31, 2019 (in thousands).

	Loans Past Due - Accrual and Non-accrual
As of December 31, 2019	30 - 59 Days		60 - 89 Days		> 90 Days (1)		Total		Current Loans		PCI Loans		Total
Owner occupied commercial real estate	$	2,913	$	2,007	$	6,079	$	10,999	$	1,700,682	$	8,546	$	1,720,227
Income producing commercial real estate	562		706		401		1,669		1,979,053		27,228		2,007,950
Commercial & industrial	2,140		491		2,119		4,750		1,215,581		326		1,220,657
Commercial construction	1,867		557		96		2,520		966,833		6,862		976,215
Equipment financing	2,065		923		3,045		6,033		734,526		3,985		744,544
Total commercial	9,547		4,684		11,740		25,971		6,596,675		46,947		6,669,593
Residential mortgage	5,655		2,212		2,171		10,038		1,097,999		9,579		1,117,616
Home equity lines of credit	1,697		421		1,385		3,503		655,762		1,410		660,675
Residential construction	325		125		402		852		235,211		374		236,437
Consumer	668		181		27		876		127,020		336		128,232
Total loans	$	17,892	$	7,623	$	15,725	$	41,240	$	8,712,667	$	58,646	$	8,812,553

(1) Excluding PCI loans, substantially all loans more than 90 days past due were on nonaccrual status at December 31, 2019.

Schedule of nonaccrual loans by loan class

The following table presents nonaccrual loans by loan class for the periods indicated (in thousands). 

	Nonaccrual loans
	CECL						Incurred Loss
	December 31, 2020						December 31, 2019
	With no allowance		With an allowance		Total
Owner occupied commercial real estate	$	6,614	$	1,968	$	8,582	$	10,544
Income producing commercial real estate	10,008		5,141		15,149		1,996
Commercial & industrial	2,004		14,630		16,634		2,545
Commercial construction	1,339		406		1,745		2,277
Equipment financing	156		3,249		3,405		3,141
Total commercial	20,121		25,394		45,515		20,503
Residential mortgage	1,855		11,003		12,858		10,567
Home equity lines of credit	1,329		1,158		2,487		3,173
Residential construction	274		240		514		939
Consumer	181		44		225		159
Total	$	23,760	$	37,839	$	61,599	$	35,341

Schedule of risk category of loans by vintage year or class of loans

Based on the most recent analysis performed, the amortized cost of loans by risk category by vintage year as of December 31, 2020 is as follows (in thousands):

	Term Loans by Origination Year												Revolvers		Revolvers converted to term loans		Total
December 31, 2020	2020		2019		2018		2017		2016		Prior
Pass
Owner occupied commercial real estate	$	707,501	$	368,615	$	231,316	$	197,778	$	201,362	$	229,667	$	56,273	$	9,072	$	2,001,584
Income producing commercial real estate	815,799		376,911		361,539		277,769		206,068		198,080		28,542		12,128		2,276,836
Commercial & industrial	1,092,767		287,857		263,439		115,790		92,968		58,359		515,593		3,777		2,430,550
Commercial construction	314,154		217,643		226,308		53,708		30,812		21,985		20,278		3,947		888,835
Equipment financing	413,653		270,664		125,869		39,982		9,404		445		—		—		860,017
Total commercial	3,343,874		1,521,690		1,208,471		685,027		540,614		508,536		620,686		28,924		8,457,822
Residential mortgage	468,945		195,213		125,492		120,944		122,013		230,771		18		5,393		1,268,789
Home equity lines of credit	—		—		—		—		—		—		675,878		17,581		693,459
Residential construction	225,727		30,646		4,026		4,544		3,172		12,546		—		64		280,725
Consumer	54,997		25,528		14,206		4,531		3,595		1,677		41,445		76		146,055
	4,093,543		1,773,077		1,352,195		815,046		669,394		753,530		1,338,027		52,038		10,846,850
Watch
Owner occupied commercial real estate	8,759		4,088		4,221		10,025		11,138		4,728		100		—		43,059
Income producing commercial real estate	35,471		42,831		39,954		13,238		24,164		11,337		—		1,681		168,676
Commercial & industrial	1,451		16,315		2,176		630		459		17		6,464		—		27,512
Commercial construction	21,366		272		816		23,292		11,775		477		—		—		57,998
Equipment financing	—		—		—		—		—		—		—		—		—
Total commercial	67,047		63,506		47,167		47,185		47,536		16,559		6,564		1,681		297,245
Residential mortgage	—		—		—		—		—		—		—		—		—
Home equity lines of credit	—		—		—		—		—		—		—		—		—
Residential construction	—		—		—		—		—		—		—		—		—
Consumer	—		—		—		—		—		—		—		—		—
	67,047		63,506		47,167		47,185		47,536		16,559		6,564		1,681		297,245
Substandard
Owner occupied commercial real estate	6,586		10,473		7,596		3,717		6,753		8,473		1,528		674		45,800
Income producing commercial real estate	45,125		8,940		2,179		5,034		31,211		2,652		—		97		95,238
Commercial & industrial	1,545		5,536		6,193		1,684		1,292		1,485		22,170		593		40,498
Commercial construction	2,466		735		13,741		340		1,931		250		—		1,009		20,472
Equipment financing	631		1,392		1,371		306		96		17		—		—		3,813
Total commercial	56,353		27,076		31,080		11,081		41,283		12,877		23,698		2,373		205,821
Residential mortgage	2,049		2,106		3,174		1,369		679		5,860		—		894		16,131
Home equity lines of credit	—		—		—		—		—		—		265		3,393		3,658
Residential construction	106		37		54		4		124		380		—		—		705
Consumer	—		97		49		60		78		98		—		23		405
	58,508		29,316		34,357		12,514		42,164		19,215		23,963		6,683		226,720
Total	$	4,219,098	$	1,865,899	$	1,433,719	$	874,745	$	759,094	$	789,304	$	1,368,554	$	60,402	$	11,370,815

The following table presents the risk category of loans by class of loan as of December 31, 2019 (in thousands):

As of December 31, 2019	Pass		Watch		Substandard		Doubtful / Loss		Total
Owner occupied commercial real estate	$	1,638,398	$	24,563	$	48,720	$	—	$	1,711,681
Income producing commercial real estate	1,914,524		40,676		25,522		—		1,980,722
Commercial & industrial	1,156,366		16,385		47,580		—		1,220,331
Commercial construction	960,251		2,298		6,804		—		969,353
Equipment financing	737,418		—		3,141		—		740,559
Total commercial	6,406,957		83,922		131,767		—		6,622,646
Residential mortgage	1,093,902		—		14,135		—		1,108,037
Home equity lines of credit	654,619		—		4,646		—		659,265
Residential construction	234,791		—		1,272		—		236,063
Consumer	127,507		8		381		—		127,896
Total loans, excluding PCI loans	8,517,776		83,930		152,201		—		8,753,907
Owner occupied commercial real estate	3,238		2,797		2,511		—		8,546
Income producing commercial real estate	19,648		6,305		1,275		—		27,228
Commercial & industrial	104		81		141		—		326
Commercial construction	3,628		590		2,644		—		6,862
Equipment financing	3,952		—		33		—		3,985
Total commercial	30,570		9,773		6,604		—		46,947
Residential mortgage	8,112		—		1,467		—		9,579
Home equity lines of credit	1,350		—		60		—		1,410
Residential construction	348		—		26		—		374
Consumer	303		—		33		—		336
Total PCI loans	40,683		9,773		8,190		—		58,646
Total loan portfolio	$	8,558,459	$	93,703	$	160,391	$	—	$	8,812,553

Schedule of changes in the value of the accretable yield for PCI loans

The following table presents changes in the value of the accretable yield for PCI loans for the year ended December 31, 2019 (in thousands):

Balance at beginning of period	$	26,868
Additions due to acquisitions	1,300
Accretion	(17,885)
Reclassification from nonaccretable difference	9,237
Changes in expected cash flows that do not affect nonaccretable difference	4,400
Balance at end of period	$	23,920

Schedule of loans modified under the terms of a TDR

Loans modified under the terms of a TDR during the years ended December 31 are presented in the table below. In addition, the following table presents loans modified under the terms of a TDR that defaulted (became 90 days or more delinquent) during the years ended December 31 that were initially restructured within one year prior to default (dollars in thousands):

	New TDRs
	Number of Contracts	Post-Modification Outstanding Recorded Investment by Type of Modification								TDRs Modified Within the Year That Have Subsequently Defaulted
Year Ended December 31, 2020		Rate Reduction		Structure		Other		Total		Number of Contracts	Recorded Investment
Owner occupied commercial real estate	8	$	—	$	833	$	1,536	$	2,369	—	$	—
Income producing commercial real estate	7	—		4,856		6,699		11,555		1	5,998
Commercial & industrial	4	—		586		15		601		3	819
Commercial construction	7	—		832		70		902		—	—
Equipment financing	172	—		5,821				5,821		22	944
Total commercial	198	—		12,928		8,320		21,248		26	7,761
Residential mortgage	40	—		4,359		3		4,362		2	145
Home equity lines of credit	4	—		164		—		164		1	60
Residential construction	3	—		123		—		123		—	—
Consumer	7	—		11		24		35		1	3
Total loans	252	$	—	$	17,585	$	8,347	$	25,932	30	$	7,969
Year Ended December 31, 2019
Owner occupied commercial real estate	4	$	—	$	1,739	$	—	$	1,739	—	$	—
Income producing commercial real estate	3	—		9,013		—		9,013		—	—
Commercial & industrial	2	—		75		7		82		—	—
Commercial construction	—	—		—		—		—		—	—
Equipment financing	9	—		1,071		—		1,071		—	—
Total commercial	18	—		11,898		7		11,905		—	—
Residential mortgage	15	—		2,057		—		2,057		1	135
Home equity lines of credit	1	—		50		—		50		—	—
Residential construction	1	—		—		21		21		1	13
Consumer	5	—		—		45		45		—	—
Indirect auto	15	—		—		262		262		—	—
Total loans	55	$	—	$	14,005	$	335	$	14,340	2	$	148
Year Ended December 31, 2018
Owner occupied commercial real estate	5	$	—	$	1,387	$	—	$	1,387	3	$	1,869
Income producing commercial real estate	2	106		3,637		—		3,743		—	—
Commercial & industrial	2	—		32		—		32		1	232
Commercial construction	—	—		—		—		—		1	3
Equipment financing	—	—		—		—		—		—	—
Total commercial	9	106		5,056		—		5,162		5	2,104
Residential mortgage	15	130		1,770		—		1,900		1	101
Home equity lines of credit	1	—		—		41		41		—	—
Residential construction	2	—		32		13		45		—	—
Consumer	2	—		—		7		7		—	—
Indirect auto	35	—		—		643		643		—	—
Total loans	64	$	236	$	6,858	$	704	$	7,798	6	$	2,205

Schedule of balance and activity in the ACL by portfolio segment

The following table presents the balance and activity in the ACL by portfolio segment for the periods indicated (in thousands): 

	CECL
Year Ended December 31, 2020	Dec. 31, 2019		Adoption of CECL		Jan. 1, 2020		Initial ACL- PCD loans(1)		Charge-Offs		Recoveries		Provision		Ending Balance
Owner occupied commercial real estate	$	11,404	$	(1,616)	$	9,788	$	1,779	$	(70)	$	2,565	$	6,611	$	20,673
Income producing commercial real estate	12,306		(30)		12,276		1,208		(8,430)		3,546		33,137		41,737
Commercial & industrial	5,266		4,012		9,278		7,680		(10,707)		1,371		14,397		22,019
Commercial construction	9,668		(2,583)		7,085		74		(726)		1,045		3,474		10,952
Equipment financing	7,384		5,871		13,255		—		(8,764)		2,004		10,325		16,820
Residential mortgage	8,081		1,569		9,650		195		(398)		455		5,439		15,341
Home equity lines of credit	4,575		1,919		6,494		209		(221)		677		1,258		8,417
Residential construction	2,504		(1,771)		733		—		(93)		156		(32)		764
Consumer	901		(491)		410		7		(2,985)		2,259		596		287
ACL - loans	62,089		6,880		68,969		11,152		(32,394)		14,078		75,205		137,010
ACL - unfunded commitments	3,458		1,871		5,329		—		—		—		5,229		10,558
Total ACL	$	65,547	$	8,751	$	74,298	$	11,152	$	(32,394)	$	14,078	$	80,434	$	147,568

(1) Represents the initial ACL related to PCD loans acquired in the Three Shores transaction.

	Incurred Loss
Year Ended December 31, 2019	Beginning Balance		Charge-Offs		Recoveries		Provision		Ending Balance
Owner occupied commercial real estate	$	12,207	$	(5)	$	375	$	(1,173)	$	11,404
Income producing commercial real estate	11,073		(1,227)		283		2,177		12,306
Commercial & industrial	4,802		(5,849)		852		5,461		5,266
Commercial construction	10,337		(290)		1,165		(1,544)		9,668
Equipment financing	5,452		(5,675)		781		6,826		7,384
Residential mortgage	8,295		(616)		481		(79)		8,081
Home equity lines of credit	4,752		(996)		610		209		4,575
Residential construction	2,433		(306)		157		220		2,504
Consumer	853		(2,390)		911		1,527		901
Indirect auto	999		(663)		186		(522)		—
ACL - loans	61,203		(18,017)		5,801		13,102		62,089
ACL - unfunded commitments	3,410		—		—		48		3,458
Total ACL	$	64,613	$	(18,017)	$	5,801	$	13,150	$	65,547

	Incurred Loss
Year Ended December 31, 2018	Beginning Balance		Charge-Offs		Recoveries		Provision		Ending Balance
Owner occupied commercial real estate	$	14,776	$	(303)	$	1,227	$	(3,493)	$	12,207
Income producing commercial real estate	9,381		(3,304)		1,064		3,932		11,073
Commercial & industrial	3,971		(1,669)		1,390		1,110		4,802
Commercial construction	10,523		(622)		734		(298)		10,337
Equipment financing	—		(1,536)		460		6,528		5,452
Residential mortgage	10,097		(754)		336		(1,384)		8,295
Home equity lines of credit	5,177		(1,194)		423		346		4,752
Residential construction	2,729		(54)		376		(618)		2,433
Consumer	710		(2,445)		807		1,781		853
Indirect auto	1,550		(1,277)		228		498		999
ACL - loans	58,914		(13,158)		7,045		8,402		61,203
ACL - unfunded commitments	2,312		—		—		1,098		3,410
Total ACL	$	61,226	$	(13,158)	$	7,045	$	9,500	$	64,613

The following table presents the recorded investment in loans by portfolio segment and the balance of the ACL assigned to each segment based on the method of evaluating the loans for impairment as of December 31, 2019 (in thousands): 

	Loans Outstanding								Allowance for Credit Losses
	Individually evaluated for impairment		Collectively evaluated for impairment		PCI		Ending Balance		Individually evaluated for impairment		Collectively evaluated for impairment		PCI		Ending Balance
Owner occupied commercial real estate	$	19,233	$	1,692,448	$	8,546	$	1,720,227	$	816	$	10,483	$	105	$	11,404
Income producing commercial real estate	18,134		1,962,588		27,228		2,007,950		770		11,507		29		12,306
Commercial & industrial	1,449		1,218,882		326		1,220,657		21		5,193		52		5,266
Commercial construction	3,675		965,678		6,862		976,215		55		9,613		—		9,668
Equipment financing	1,027		739,532		3,985		744,544		—		7,240		144		7,384
Residential mortgage	15,991		1,092,046		9,579		1,117,616		782		7,296		3		8,081
Home equity lines of credit	992		658,273		1,410		660,675		16		4,541		18		4,575
Residential construction	1,256		234,807		374		236,437		47		2,456		1		2,504
Consumer	214		127,682		336		128,232		5		885		11		901
Total ACL - loans	$	61,971	$	8,691,936	$	58,646	$	8,812,553	2,512		59,214		363		62,089
ACL - unfunded commitments									—		3,458		—		3,458
Total ACL									$	2,512	$	62,672	$	363	$	65,547

Schedule of loans individually evaluated for impairment under Incurred Loss by class

The following table presents loans individually evaluated for impairment by class of loans as of the dates indicated (in thousands):

	December 31, 2019
	Unpaid Principal Balance		Recorded Investment		ACL Allocated
With no related ACL recorded:
Owner occupied commercial real estate	$	9,527	$	8,118	$	—
Income producing commercial real estate	5,159		4,956		—
Commercial & industrial	1,144		890		—
Commercial construction	2,458		2,140		—
Equipment financing	1,027		1,027		—
Total commercial	19,315		17,131		—
Residential mortgage	7,362		6,436		—
Home equity lines of credit	1,116		861		—
Residential construction	731		626		—
Consumer	66		53		—
Total with no related ACL recorded	28,590		25,107		—
With an ACL recorded:
Owner occupied commercial real estate	11,136		11,115		816
Income producing commercial real estate	13,591		13,178		770
Commercial & industrial	559		559		21
Commercial construction	1,535		1,535		55
Equipment financing	—		—		—
Total commercial	26,821		26,387		1,662
Residential mortgage	9,624		9,555		782
Home equity lines of credit	146		131		16
Residential construction	643		630		47
Consumer	161		161		5
Total with an ACL recorded	37,395		36,864		2,512
Total	$	65,985	$	61,971	$	2,512

Schedule of average balances of impaired loans and income recognized on impaired loans while they were considered impaired

The average balances of impaired loans and income recognized on impaired loans while they were considered impaired is presented below for the periods indicated (in thousands): 

	2019						2018
	Average Balance		Interest Revenue Recognized During Impairment		Cash Basis Interest Revenue Received		Average Balance		Interest Revenue Recognized During Impairment		Cash Basis Interest Revenue Received
Owner occupied commercial real estate	$	18,575	$	1,124	$	1,171	$	19,881	$	1,078	$	1,119
Income producing commercial real estate	14,253		739		730		17,138		893		895
Commercial & industrial	1,837		84		100		1,777		100		100
Commercial construction	3,233		129		146		3,247		176		174
Equipment financing	159		23		23		—		—		—
Total commercial	38,057		2,099		2,170		42,043		2,247		2,288
Residential mortgage	16,115		748		749		14,515		641		643
Home equity lines of credit	488		14		15		284		18		16
Residential construction	1,332		92		94		1,405		96		95
Consumer	203		15		15		249		18		18
Indirect auto	1,028		50		50		1,252		64		64
Total	$	57,223	$	3,018	$	3,093	$	59,748	$	3,084	$	3,124

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Premises and Equipment (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Schedule of premises and equipment

Premises and equipment are summarized as follows as of the dates indicated (in thousands): 

	December 31,
	2020		2019
Land and land improvements	$	82,816	$	81,150
Buildings and improvements	173,497		170,629
Furniture and equipment	96,157		97,997
Construction in progress	7,590		1,701
	360,060		351,477
Less accumulated depreciation	(141,571)		(135,501)
Premises and equipment, net	$	218,489	$	215,976

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Derivatives and Hedging Activities (Tables)

12 Months Ended

Dec. 31, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of derivative financial instruments on consolidated balance sheet

The table below presents the fair value of derivative financial instruments as of the dates indicated as well as their classification on the consolidated balance sheets (in thousands):

	December 31, 2020						December 31, 2019
	Notional Amount		Fair Value				Fair Value
			Derivative Assets		Derivative Liabilities		Derivative Assets		Derivative Liabilities
Derivatives designated as hedging instruments:
Cash flow hedge of subordinated debt	$	100,000	$	3,378	$	—	$	—	$	—
Cash flow hedge of trust preferred securities	20,000		—		—		—		—
Fair value hedge of brokered CDs	20,000		—		—		—		880
Total	140,000		3,378		—		—		880
Derivatives not designated as hedging instruments:
Customer derivative positions	1,329,271		72,508		17		27,277		446
Dealer offsets to customer derivative positions	1,329,271		1		24,614		394		6,425
Risk participations	48,843		28		12		—		12
Mortgage banking - loan commitment	253,243		10,751		—		1,970		—
Mortgage banking - forward sales commitment	325,145		—		1,964		98		86
Bifurcated embedded derivatives	51,935		—		1,449		5,268		—
Dealer offsets to bifurcated embedded derivatives	51,935		—		947		—		7,667
Total	3,389,643		83,288		29,003		35,007		14,636
Total derivatives	$	3,529,643	$	86,666	$	29,003	$	35,007	$	15,516
Total gross derivative instruments			$	86,666	$	29,003	$	35,007	$	15,516
Less: Amounts subject to master netting agreements			(114)		(114)		(401)		(401)
Less: Cash collateral received/pledged			(3,200)		(27,092)		—		(14,933)
Net amount			$	83,352	$	1,797	$	34,606	$	182

Schedule of effect of derivatives in hedging relationships consolidated statements of income

The table below presents the effect of derivatives in hedging relationships on the consolidated statements of income (in thousands).

	Year Ended December 31,
	2020		2019		2018
	Interest expense		Interest expense		Interest expense		Interest revenue - taxable investment securities		Other noninterest income
Total income (expense) presented in the consolidated statements of income	$	(56,237)	$	(83,312)	$	(61,330)	$	73,496	$	24,142
Gains (losses) on fair value hedging relationships:
Interest rate contracts:
Amounts related to interest settlements on derivatives	291		(327)		(245)		17		—
Recognized on derivatives	870		733		(220)		—		356
Recognized on hedged items	(880)		(766)		(145)		—		(447)
Net income (expense) recognized on fair value hedges	$	281	$	(360)	$	(610)	$	17	$	(91)
Losses on cash flow hedging relationships (1):
Interest rate contracts:
Realized losses reclassified from AOCI into net income (2)	$	(359)	$	—	$	—	$	—	$	—
Net expense recognized on cash flow hedges	$	(359)	$	—	$	—	$	—	$	—

(1) Excludes 2019 and 2018 amortization of losses related to de-designated cash flow hedges. See Note 17 for further detail.

(2) Includes $329,000 of premium amortization expense excluded from the assessment of hedge effectiveness for the year ended December 31, 2020.

Schedule of carrying amount and cumulative fair value hedging adjustments on hedged liability

The table below presents the carrying amount of hedged fixed-rate brokered time deposits and cumulative fair value hedging adjustments included in the carrying amount of the hedged liability for the periods presented (in thousands).

	December 31,
	2020				2019
Balance Sheet Location	Carrying amount of Assets (Liabilities)		Hedge Accounting Basis Adjustment		Carrying amount of Assets (Liabilities)		Hedge Accounting Basis Adjustment
Deposits	$	(20,216)	$	(235)	$	(35,880)	$	645

Schedule of gains and losses recognized in income on derivatives not designated as hedging instruments

The table below presents the gains and losses recognized in income on derivatives not designated as hedging instruments for the periods indicated (in thousands). 

	Income Statement Location	Year Ended December 31,
		2020		2019		2018
Customer derivatives and dealer offsets	Other noninterest income	$	6,732	$	2,878	$	2,658
Bifurcated embedded derivatives and dealer offsets	Other noninterest income	(63)		212		307
Interest rate caps	Other noninterest income	—		—		501
De-designated hedges	Other noninterest income	—		(193)		31
Mortgage banking derivatives	Mortgage loan revenue	(7,873)		(1,797)		904
Risk participations	Other noninterest income	(340)		(3)		12
Total gains and losses		$	(1,544)	$	1,097	$	4,413

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Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of carrying amount of goodwill and other intangible assets

The carrying amount of goodwill and other intangible assets is summarized below as of the dates indicated (in thousands):

	December 31,
	2020		2019
Core deposit intangible	$	36,162	$	32,802
Less: accumulated amortization	(22,148)		(17,980)
Net core deposit intangible	14,014		14,822
Goodwill	367,809		327,425
Total goodwill and other intangible assets, net	$	381,823	$	342,247

Schedule of changes in the carrying amounts of goodwill

The following is a summary of changes in the carrying amounts of goodwill for the years indicated (in thousands):

	Goodwill (1)
December 31, 2018	$	307,112
Acquisition of FMBT	20,313
December 31, 2019	327,425
Acquisition of Three Shores	40,384
December 31, 2020	$	367,809

(1) Goodwill balances presented are shown net of accumulated impairment losses of $306 million incurred prior to 2018. Gross goodwill for December 31, 2020, 2019, and 2018 totaled $673 million, $633 million and $613 million, respectively.

Schedule of amortization expense for future periods

The estimated aggregate amortization expense for future periods for core deposit intangibles is as follows (in thousands): 

Year
2021	$	3,622
2022	2,915
2023	2,321
2024	1,834
2025	1,414
Thereafter	1,908
Total	$	14,014

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Servicing Assets and Liabilities (Tables)

12 Months Ended

Dec. 31, 2020

Transfers and Servicing [Abstract]

Schedule of changes in SBA/USDA servicing rights

The following table summarizes the changes in SBA/USDA servicing rights for the years indicated (in thousands).

	2020		2019		2018
Servicing rights for SBA/USDA loans, beginning of period	$	6,794	$	7,510	$	7,740
Originated servicing rights capitalized upon sale of loans	1,114		1,835		2,573
Disposals	(624)		(1,258)		(810)
Measurement period adjustment to acquired servicing rights	—		—		(354)
Changes in fair value due to change in inputs or assumptions used in the valuation	(822)		(1,293)		(1,639)
Servicing rights for SBA/USDA loans, end of period	$	6,462	$	6,794	$	7,510

Schedule of key characteristics, inputs, and economic assumptions used to estimate the fair value of SBA/USDA loans servicing asset and sensitivity

A summary of the key characteristics, inputs, and economic assumptions used in the discounted cash flow method utilized to estimate the fair value of the servicing asset for SBA/USDA loans and the sensitivity of the fair values to immediate adverse changes in those assumptions are shown in the table below as of the dates indicated (dollars in thousands):

	December 31,
	2020			2019
Fair value of retained servicing assets	$	6,462		$	6,794
Prepayment rate assumption:
Weighted average	17.8		%	16.5		%
Range	2.7% - 33.6%
10% adverse change	$	(358)		$	(352)
20% adverse change	(680)			(671)
Discount rate:
Weighted average	8.9		%	12.3		%
Range	1.6% - 44.1%
100 bps adverse change	$	(171)		$	(184)
200 bps adverse change	(333)			(358)
Life (in years):
Weighted-average	3.5			3.9
Range	0.6 - 5.6
Gross margin:
Weighted-average	1.9		%	1.9		%
Range	0.0% - 3.2%

Schedule of changes in residential mortgage servicing rights

The following table summarizes the changes in residential mortgage servicing rights for the years indicated (in thousands).

	2020		2019		2018
Residential mortgage servicing rights, beginning of period	$	13,565	$	11,877	$	8,262
Originated servicing rights capitalized upon sale of loans	11,911		5,783		4,587
Disposals	(2,868)		(1,098)		(537)
Changes in fair value due to change in inputs or assumptions used in the valuation	(6,392)		(2,997)		(435)
Residential mortgage servicing rights, end of period	$	16,216	$	13,565	$	11,877

Schedule of key characteristics, inputs, and economic assumptions used to estimate the fair value of residential mortgage loans servicing asset and sensitivity

A summary of the key characteristics, inputs, and economic assumptions used to estimate the fair value of the servicing asset for residential mortgage loans and the sensitivity of the fair values to immediate adverse changes in those assumptions are shown in the table below as of the dates indicated (in thousands):

	December 31,
	2020			2019
Fair value of retained servicing assets	$	16,216		$	13,565
Prepayment rate assumption:
Weighted average	17.7		%	14.1		%
Range	8.7% - 19.5%
10% adverse change	$	(999)		$	(662)
20% adverse change	(1,912)			(1,270)
Discount rate:
Weighted average	10.0		%	10.0		%
Range	10.0% - 11.0%
100 bps adverse change	$	(518)		$	(467)
200 bps adverse change	(1,001)			(900)

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Time Deposits (Tables)

12 Months Ended

Dec. 31, 2020

Deposits [Abstract]

Schedule of contractual maturities of time deposits, including brokered time deposits

At December 31, 2020, the contractual maturities of time deposits, including brokered time deposits, are summarized as follows (in thousands):

2021	$	1,418,807
2022	211,523
2023	59,153
2024	25,513
2025	20,816
Thereafter	50,579
Total time deposits	$	1,786,391

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Long-term Debt (Tables)

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Schedule of long-term debt

Long-term debt consisted of the following (in thousands):

	December 31,				Issue Date	Stated Maturity Date	Earliest Call Date
	2020		2019					Interest Rate
Obligations of the Bank:
2026 subordinated debentures	$	15,000	$	—	2016	2026	2021	5.875% through August 2021, 3-month LIBOR plus 4.70% thereafter
	15,000		—
Obligations of the Holding Company:
2022 senior debentures	50,000		50,000		2015	2022	2020	5.000% through August 2020, 3-month LIBOR plus 3.814% thereafter
2027 senior debentures	35,000		35,000		2015	2027	2025	5.500% through August 2025, 3-month LIBOR plus 3.71% thereafter
2030 senior debentures	100,000		—		2020	2030	2025	5.00% through June 2025, 3-month SOFR plus 4.87% thereafter
Total senior debentures	185,000		85,000
2028 subordinated debentures	100,000		100,000		2018	2028	2023	4.500% through January 2023, 3-month LIBOR plus 2.12% thereafter
2025 subordinated debentures	11,250		11,250		2015	2025	2020	6.250%
Total subordinated debentures	111,250		111,250
Southern Bancorp Capital Trust I	4,382		4,382		2004	2034	2009	Prime + 1.00%
Tidelands Statutory Trust I	8,248		8,248		2006	2036	2011	3-month LIBOR plus 1.38%
Four Oaks Statutory Trust I	12,372		12,372		2006	2036	2011	3-month LIBOR plus 1.35%
Total trust preferred securities	25,002		25,002
Less net discount	(9,296)		(8,588)
Total long-term debt	$	326,956	$	212,664

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Operating Leases (Tables)

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Schedule of right-of-use asset and operating lease liability

The following table presents the balances of the right-of-use asset and corresponding operating lease liability as of the dates indicated (in thousands).

		December 31,
	Balance Sheet Location	2020		2019
Right-of-use asset	Other assets	$	31,398	$	19,894
Operating lease liability	Other liabilities	33,095		22,039

Schedule of operating lease income and expense and other supplemental information

The table below presents the operating lease income and expense recognized for the periods indicated (in thousands).

	Income Statement Location	2020		2019
Operating lease cost	Occupancy expense	$	6,449	$	5,067
Variable lease cost	Occupancy expense	757		449
Short-term lease cost	Occupancy expense	100		136
Total lease cost		$	7,306	$	5,652
Sublease income and rental income from owned properties under operating leases	Other noninterest income	$	1,022	$	1,160

Schedule of future minimum lease payments under operating leases

As of December 31, 2020, future minimum lease payments under operating leases were as follows (in thousands):

Year
2021	$	7,446
2022	7,544
2023	6,953
2024	3,417
2025	2,403
Thereafter	6,996
Total	34,759
Less discount	(1,664)
Present value of lease liability	$	33,095

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Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2020

Fair Value Disclosures [Abstract]

Schedule of assets and liabilities measured at fair value on a recurring basis

The table below presents United’s assets and liabilities measured at fair value on a recurring basis, aggregated by the level in the fair value hierarchy within which those measurements fall (in thousands):

December 31, 2020	Level 1		Level 2		Level 3		Total
Assets:
Debt securities available for sale:
U.S. Treasuries	$	128,072	$	—	$	—	$	128,072
U.S. Government agencies & GSEs	—		152,972		—		152,972
State and political subdivisions	—		274,472		—		274,472
Residential mortgage-backed securities	—		1,485,585		—		1,485,585
Commercial mortgage-backed securities	—		549,131		—		549,131
Corporate bonds	—		70,017		1,750		71,767
Asset-backed securities	—		562,722		—		562,722
Equity securities with readily determinable fair values	774		913		—		1,687
Mortgage loans held for sale	—		105,433		—		105,433
Deferred compensation plan assets	9,584		—		—		9,584
Servicing rights for SBA/USDA loans	—		—		6,462		6,462
Residential mortgage servicing rights	—		—		16,216		16,216
Derivative financial instruments	—		75,887		10,779		86,666
Total assets	$	138,430	$	3,277,132	$	35,207	$	3,450,769
Liabilities:
Deferred compensation plan liability	$	9,590	$	—	$	—	$	9,590
Derivative financial instruments	—		26,595		2,408		29,003
Total liabilities	$	9,590	$	26,595	$	2,408	$	38,593

December 31, 2019	Level 1		Level 2		Level 3		Total
Assets:
Securities available for sale:
U.S. Treasuries	$	154,618	$	—	$	—	$	154,618
U.S. Government agencies & GSEs	—		3,035		—		3,035
State and political subdivisions	—		226,490		—		226,490
Residential mortgage-backed securities	—		1,299,025		—		1,299,025
Commercial mortgage-backed securities	—		284,953		—		284,953
Corporate bonds	—		202,093		998		203,091
Asset-backed securities	—		103,369		—		103,369
Equity securities with readily determinable fair values	1,973		—		—		1,973
Mortgage loans held for sale	—		58,484		—		58,484
Deferred compensation plan assets	8,133		—		—		8,133
Servicing rights for SBA/USDA loans	—		—		6,794		6,794
Residential mortgage servicing rights	—		—		13,565		13,565
Derivative financial instruments	—		27,769		7,238		35,007
Total assets	$	164,724	$	2,205,218	$	28,595	$	2,398,537
Liabilities:
Deferred compensation plan liability	$	8,132	$	—	$	—	$	8,132
Derivative financial instruments	—		6,957		8,559		15,516
Total liabilities	$	8,132	$	6,957	$	8,559	$	23,648

Schedule of assets measured at fair value on a recurring basis using significant unobservable inputs

The following table shows a reconciliation of the beginning and ending balances for all other assets measured at fair value on a recurring basis using significant unobservable inputs that are classified as Level 3 values (in thousands):

	Derivative Asset		Derivative Liability		Debt Securities Available- for-Sale
December 31, 2017	$	12,207	$	16,744	$	900
Sales and settlements	(1,029)		(1,347)		—
Other comprehensive income	—		—		95
Amounts included in earnings - fair value adjustments	663		335		—
December 31, 2018	11,841		15,732		995
Sales and settlements	(1,135)		(2,330)		—
Other comprehensive income	—		—		3
Amounts included in earnings - fair value adjustments	(3,468)		(4,843)		—
December 31, 2019	7,238		8,559		998
Transfers into Level 3	583		—		—
Additions	368		—		1,750
Sales and settlements	—		—		(1,000)
Other comprehensive income	—		—		2
Amounts included in earnings - fair value adjustments	2,590		(6,151)		—
December 31, 2020	$	10,779	$	2,408	$	1,750

Schedule of liabilities measured at fair value on a recurring basis using significant unobservable inputs

The following table shows a reconciliation of the beginning and ending balances for all other assets measured at fair value on a recurring basis using significant unobservable inputs that are classified as Level 3 values (in thousands):

	Derivative Asset		Derivative Liability		Debt Securities Available- for-Sale
December 31, 2017	$	12,207	$	16,744	$	900
Sales and settlements	(1,029)		(1,347)		—
Other comprehensive income	—		—		95
Amounts included in earnings - fair value adjustments	663		335		—
December 31, 2018	11,841		15,732		995
Sales and settlements	(1,135)		(2,330)		—
Other comprehensive income	—		—		3
Amounts included in earnings - fair value adjustments	(3,468)		(4,843)		—
December 31, 2019	7,238		8,559		998
Transfers into Level 3	583		—		—
Additions	368		—		1,750
Sales and settlements	—		—		(1,000)
Other comprehensive income	—		—		2
Amounts included in earnings - fair value adjustments	2,590		(6,151)		—
December 31, 2020	$	10,779	$	2,408	$	1,750

Schedule of quantitative information about Level 3 fair value measurements for fair value on a recurring basis

The following table presents quantitative information about recurring Level 3 fair value measurements, excluding servicing rights which are detailed in Note 10 (in thousands): 

	Valuation Technique		December 31,
Level 3 Assets		Unobservable Inputs	2020			2019
			Low	High	Weighted Average	Weighted Average
Corporate bonds	Indicative bid provided by a broker	Multiple factors, including but not limited to, current operations, financial condition, cash flows, and similar financing transactions executed in the market	N/A	N/A	N/A	N/A
Derivative assets - mortgage	Internal model	Pull through rate	65.6%	100%	83.9%	83.6%
Derivative assets - customer derivative positions	Internal model	Probability of default rate & loss given default	100	100	100	N/A
Derivative assets & liabilities - risk participations	Internal model	Probable exposure rate	0.06	3.66	1.81	0.36
		Probability of default rate	0.16	13.1	4.03	1.80
Derivative assets & liabilities - other	Dealer priced	Dealer priced	N/A	N/A	N/A	N/A

Schedule of loans held for sale at fair value under the fair value option

The following tables present the fair value and outstanding principal balance of these loans, as well as the gain or loss recognized resulting from the change in fair value for the periods indicated (in thousands).

	Mortgage Loans Held for Sale
	December 31,
	2020		2019
Outstanding principal balance	$	99,746	$	56,613
Fair value	105,433		58,484

	Amount of Gain (Loss) Recognized on Mortgage Loans Held for Sale
Location	2020		2019		2018
Mortgage loan gains and other related fees	$	3,815	$	1,177	$	(133)

Schedule of presentation of assets measured at fair value on nonrecurring basis

The following table presents the fair value hierarchy and carrying value of all assets that were still held as of December 31, 2020 and 2019, for which a nonrecurring fair value adjustment was recorded during the periods presented (in thousands).

December 31, 2020	Level 1		Level 2		Level 3		Total
Loans	$	—	$	—	$	29,404	$	29,404
December 31, 2019
Loans	$	—	$	—	$	20,977	$	20,977

Schedule of carrying amount and fair values for other financial instruments that are not measured at fair value on a recurring basis

The carrying amount and fair values for other financial instruments that are not measured at fair value on a recurring basis in United’s consolidated balance sheets are as follows (in thousands):

	Carrying Amount		Fair Value Level
December 31, 2020			Level 1		Level 2		Level 3		Total
Assets:
Securities held to maturity	$	420,361	$	—	$	437,193	$	—	$	437,193
Loans, net	11,233,805		—		—		11,209,717		11,209,717
Liabilities:
Deposits	15,232,358		—		15,232,274		—		15,232,274
Long-term debt	326,956		—		—		336,763		336,763
December 31, 2019
Assets:
Securities held to maturity	$	283,533	$	—	$	287,904	$	—	$	287,904
Loans, net	8,750,464		—		—		8,714,592		8,714,592
Liabilities:
Deposits	10,897,244		—		10,897,465		—		10,897,465
Long-term debt	212,664		—		—		217,665		217,665

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Equity Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement [Abstract]

Schedule of restricted stock units and options outstanding and activity

Restricted stock units and options outstanding and activity for the years ended December 31 consisted of the following:

	Restricted Stock Units					Options
	Shares	Weighted Average Grant Date Fair Value		Aggregate Intrinsic Value (000’s)		Shares	Weighted Average Exercise Price
December 31, 2017	663,817	$	22.40			60,287	$	24.12
Granted	416,484	30.54				—	—
Vested / Exercised	(290,013)	20.18				(12,000)	11.85
Cancelled	(30,542)	23.65				(1,148)	31.50
December 31, 2018	759,746	27.66				47,139	27.07
Granted	315,827	26.74				—	—
Vested / Exercised	(216,138)	25.38				(13,000)	16.34
Expired	—					(30,243)	31.43
Cancelled	(51,011)	27.18				(2,396)	29.68
December 31, 2019	808,424	27.94				1,500	27.95
Granted	446,512	19.15				—	—
Vested / Exercised	(324,697)	26.42		$	7,212	—	—
Expired	—					(1,500)	27.95
Cancelled	(36,808)	25.73				—	—
December 31, 2020	893,431	23.75		25,409		—

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Reclassifications Out of AOCI (Tables)

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Schedule of details regarding amounts reclassified out of AOCI

The following presents the details regarding amounts reclassified out of AOCI (in thousands). 

	Amounts Reclassified from AOCI For the Years Ended December 31,
Details about AOCI Components							Affected Line Item in the Statement Where Net Income is Presented
	2020		2019		2018
Realized gains (losses) on available-for-sale securities:
	$	748	$	(1,021)	$	(656)	Securities gains (losses), net
	(191)		247		132		Income tax (expense) benefit
	$	557	$	(774)	$	(524)	Net of tax
Amortization of losses included in net income on available-for-sale securities transferred to held to maturity:
	$	(723)	$	(383)	$	(739)	Investment securities interest revenue
	173		92		180		Income tax benefit
	$	(550)	$	(291)	$	(559)	Net of tax
Reclassifications related to derivative financial instruments accounted for as cash flow hedges:
Amortization of losses on de-designated positions	$	—	$	(235)	$	—	Other expense
Amortization of losses on de-designated positions	—		(102)		(499)		Deposit interest expense
Interest rate contracts	(359)		—		—		Long-term debt interest expense
	(359)		(337)		(499)		Total before tax
	91		86		129		Income tax benefit
	$	(268)	$	(251)	$	(370)	Net of tax
Reclassifications related to defined benefit pension plan activity:
Prior service cost	$	(531)	$	(640)	$	(666)	Salaries and employee benefits expense
Actuarial losses	(326)		(59)		(241)		Other expense
Termination of Funded Plan	—		(1,558)		—		Merger-related and other
	(857)		(2,257)		(907)		Total before tax
	219		576		247		Income tax benefit
	$	(638)	$	(1,681)	$	(660)	Net of tax
Total reclassifications for the period	$	(899)	$	(2,997)	$	(2,113)	Net of tax
Amounts shown above in parentheses reduce earnings

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Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Schedule of computation of basic and diluted net income per common share

The following table sets forth the computation of basic and diluted net income per common share for the years indicated (in thousands, except per share data):

	Year Ended December 31,
	2020		2019		2018
Net income	$	164,089	$	185,721	$	166,111
Undistributed earnings allocated to participating securities	(1,287)		(1,375)		(1,184)
Dividends on preferred stock	(3,533)		—		—
Net income available to common stockholders	$	159,269	$	184,346	$	164,927
Net income per common share:
Basic	$	1.91	$	2.31	$	2.07
Diluted	1.91		2.31		2.07
Weighted average common shares:
Basic	83,184		79,700		79,662
Effect of dilutive securities:
Stock options	—		1		7
Restricted stock units	64		7		2
Diluted	83,248		79,708		79,671

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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

Income Tax Disclosure [Abstract]

Schedule of income tax expense

Income tax expense is as follows for the years indicated (in thousands):

	Year Ended December 31,
	2020		2019		2018
Current	$	42,688	$	38,082	$	17,185
Deferred	2,668		14,909		32,630
Total income tax expense	$	45,356	$	52,991	$	49,815

Schedule of differences between the provision for income taxes and statutory federal income tax rate

The differences between the provision for income taxes and the amount computed by applying the statutory federal income tax rate of 21% in 2020, 2019 and 2018 to income before income taxes are as follows for the years indicated (in thousands):

	Year Ended December 31,
	2020		2019		2018
Pretax income at statutory rates	$	43,983	$	50,130	$	45,344
Add (deduct):
State taxes, net of federal benefit	5,928		7,168		6,765
BOLI earnings	(1,052)		(1,127)		(747)
Adjustment to reserve for uncertain tax positions	(1,212)		84		80
Tax-exempt interest revenue	(2,169)		(1,827)		(1,229)
Equity compensation	(174)		(375)		(892)
Transaction costs	217		16		78
Tax credit investments	(930)		(464)		(29)
Change in state statutory tax rate	—		—		583
Other	765		(614)		(138)
Total income tax expense	$	45,356	$	52,991	$	49,815

Schedule of summarizes the sources and expected tax consequences of future taxable deductions (revenue)

The following summarizes the sources and expected tax consequences of future taxable deductions (revenue) which comprise the net DTA as of the dates indicated (in thousands):

	December 31,
	2020		2019
DTAs:
ACL	$	33,213	$	14,910
Net operating loss carryforwards	22,277		27,568
Deferred compensation	10,012		9,363
Loan purchase accounting adjustments	8,567		6,599
Reserve for losses on foreclosed properties	33		20
Nonqualified share based compensation	1,833		2,041
Accrued expenses	6,865		3,958
Investment in partnerships	71		67
Unamortized pension actuarial losses and prior service cost	1,981		1,739
Securities purchase accounting adjustments	—		687
Lease liability	8,055		5,327
Other	4,018		1,351
Total DTAs	96,925		73,630
DTLs:
Unrealized gains on securities available-for-sale	17,439		7,943
Unrealized gains on cash flow hedges	54		—
Acquired intangible assets	2,576		2,530
Premises and equipment	4,241		3,002
Loan origination costs	4,857		3,538
True tax leases	7,846		7,783
Prepaid expenses	230		373
Servicing assets	4,816		4,428
Derivatives	2,250		1,075
Right-of-use asset	7,642		4,809
Securities purchase accounting adjustments	3,146		—
Uncertain tax positions	1,813		1,792
Total DTLs	56,910		37,273
Less valuation allowance	1,604		2,298
Net DTA	$	38,411	$	34,059

Schedule of reconciliation of the beginning and ending unrecognized tax benefit related to uncertain tax positions

A reconciliation of the beginning and ending unrecognized tax benefit related to uncertain tax positions is as follows for the years indicated (in thousands):

	2020		2019		2018
Balance at beginning of year	$	3,370	$	3,264	$	3,163
Additions based on tax positions related to the current year	421		481		470
Decreases resulting from a lapse in the applicable statute of limitations	(1,628)		(375)		(369)
Balance at end of year	$	2,163	$	3,370	$	3,264

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Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2020

Retirement Benefits [Abstract]

Schedule of weighted-average assumptions used to determine pension benefit obligations

Weighted-average assumptions used to determine the pension benefit obligation of the Modified Retirement Plan at year end and net periodic pension cost are shown in the table below:

	2020		2019
Discount rate for disclosures	2.55	%	3.25	%
Discount rate for net periodic benefit cost	3.25	%	4.40	%
Measurement date	12/31/2020		12/31/2019

Schedule of changes in obligations and plan assets

United recognizes the underfunded status of the plans as a liability in the consolidated balance sheets. Information about changes in obligations and plan assets follows (in thousands): 

	2020		2019
	Modified Retirement Plan		Modified Retirement Plan		Funded Plan
Accumulated benefit obligation:
Accumulated benefit obligation - beginning of year	$	25,105	$	21,736	$	16,011
Service cost	588		392		—
Interest cost	795		931		166
Plan amendments	—		386		—
Actuarial losses	1,804		2,390		1,489
Benefits paid	(1,193)		(730)		(17,666)
Accumulated benefit obligation - end of year	27,099		25,105		—
Change in plan assets, at fair value:
Beginning plan assets	—		—		12,595
Actual return	—		—		173
Employer contribution	1,193		730		4,898
Benefits paid	(1,193)		(730)		(17,666)
Plan assets - end of year	—		—		—
Funded status - end of year (plan assets less benefit obligations)	$	(27,099)	$	(25,105)	$	—

Schedule of components of net periodic benefit cost and other amounts recognized in other comprehensive income

Components of net periodic benefit cost and other amounts recognized in other comprehensive income are as follows (in thousands): 

	2020		2019				2018
	Modified Retirement Plan		Modified Retirement Plan		Funded Plan		Modified Retirement Plan		Funded Plan
Service cost	$	588	$	392	$	—	$	363	$	—
Interest cost	795		931		166		801		647
Expected return on plan assets	—		—		(106)		—		(551)
Amortization of prior service cost	531		635		—		666		—
Amortization of net actuarial losses	326		59		—		241		—
Net periodic benefit cost	$	2,240	$	2,017	$	60	$	2,071	$	96

Schedule of estimated future benefit payments expected to be paid

The following table summarizes the estimated future benefit payments expected to be paid from the Modified Retirement Plan for the periods indicated (in thousands).

2021	$	1,170
2022	1,165
2023	1,159
2024	1,152
2025	1,195
2026-2030	7,675

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Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2020

Regulatory Capital Requirements Under Banking Regulations [Abstract]

Schedule of minimum amounts required for capital adequacy purposes

Regulatory capital ratios at December 31, 2020 and 2019, along with the minimum amounts required for capital adequacy purposes and to be well-capitalized under prompt corrective action provisions in effect at such times are presented below for United and the Bank (dollars in thousands):

	Basel III Guidelines				United Community Banks, Inc. (consolidated)						United Community Bank
	Minimum (1)		Well Capitalized		2020			2019			2020			2019
Risk-based ratios:
CET1 capital	4.5	%	6.5	%	12.31		%	12.97		%	13.31		%	14.87		%
Tier 1 capital	6.0		8.0		13.10			13.21			13.31			14.87
Total capital	8.0		10.0		15.15			15.01			14.28			15.54
Tier 1 leverage ratio	4.0		5.0		9.28			10.34			9.42			11.63
CET1 capital					$	1,506,750		$	1,275,148		$	1,625,292		$	1,458,720
Tier 1 capital					1,603,172			1,299,398			1,625,292			1,458,720
Total capital					1,854,368			1,476,302			1,743,045			1,524,267
RWAs					12,240,440			9,834,051			12,207,940			9,810,477
Average total assets					17,276,853			12,568,563			17,246,878			12,545,254

(1) As of December 31, 2020 and 2019, the additional capital conservation buffer in effect was 2.50%.

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Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2020

Commitments and Contingencies Disclosure [Abstract]

Schedule of the contract amount of off-balance sheet instruments

The following table summarizes, as of the dates indicated, the contract amount of off-balance sheet instruments (in thousands):

	December 31,
	2020		2019
Financial instruments whose contract amounts represent credit risk:
Commitments to extend credit	$	3,052,657	$	2,126,275
Letters of credit	31,748		22,533

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Condensed Financial Statements of United Community Banks, Inc. (Holding Company Only) (Tables)

12 Months Ended

Dec. 31, 2020

Condensed Financial Information Disclosure [Abstract]

Schedule of condensed balance sheets

Balance Sheets

As of December 31, 2020 and 2019

(in thousands)

	2020		2019
Assets
Cash and cash equivalents	$	289,243	$	32,495
Investment in bank	2,028,965		1,814,414
Investment in other subsidiaries	752		752
Other assets	34,661		29,308
Total assets	$	2,353,621	$	1,876,969
Liabilities and Shareholders’ Equity
Long-term debt	$	311,956	$	212,664
Other liabilities	34,135		28,613
Total liabilities	346,091		241,277
Shareholders’ equity	2,007,530		1,635,692
Total liabilities and shareholders’ equity	$	2,353,621	$	1,876,969

Schedule of condensed statements of income

Statements of Income

For the Years Ended December 31, 2020, 2019 and 2018

(in thousands)

	2020		2019		2018
Dividends from bank	$	150,000	$	—	$	161,500
Dividends from other subsidiaries	—		4,651		850
Shared service fees from subsidiaries	13,020		14,721		10,257
Other	1,436		1,468		133
Total income	164,456		20,840		172,740
Interest expense	13,994		11,573		11,868
Other expense	16,473		18,965		14,456
Total expenses	30,467		30,538		26,324
Income tax benefit	2,681		8,711		1,640
Income (loss) before equity in undistributed earnings of subsidiaries	136,670		(987)		148,056
Equity in undistributed earnings of subsidiaries	27,419		186,708		18,055
Net income	$	164,089	$	185,721	$	166,111

Schedule of condensed statements of cash flows

Statements of Cash Flows

For the Years Ended December 31, 2020, 2019 and 2018

(in thousands)

	2020		2019		2018
Operating activities:
Net income	$	164,089	$	185,721	$	166,111
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in undistributed earnings of the subsidiaries	(27,419)		(186,708)		(18,055)
Stock-based compensation	7,887		9,360		6,057
Change in assets and liabilities:
Other assets	(3,662)		(3,022)		1,777
Other liabilities	5,261		2,080		3,124
Net cash provided by operating activities	146,156		7,431		159,014
Investing activities:
Net cash received (paid) for acquisition	3,397		(52,093)		(84,499)
Purchases of premises and equipment	—		—		(364)
Purchases of debt securities available-for-sale and equity securities	(2,750)		(3,000)		(2,489)
Proceeds from sales and maturities of debt securities available-for-sale and equity securities	—		83		—
Net cash provided by (used in) investing activities	647		(55,010)		(87,352)
Financing activities:
Repayment of long-term debt	—		(250)		(7,424)
Proceeds from issuance of long-term debt, net of issuance costs	98,552		—		98,188
Proceeds from issuance of preferred stock, net of issuance costs	96,422		—		—
Cash related to shares withheld to cover payroll taxes upon vesting of restricted stock units	(3,119)		(1,686)		(1,998)
Proceeds from issuance of common stock for dividend reinvestment and employee benefit plans	1,317		2,193		679
Proceeds from exercise of stock options	—		212		142
Repurchase of common stock	(20,782)		(13,020)		—
Cash dividends on preferred stock	(3,533)		—		—
Cash dividends on common stock	(58,912)		(53,044)		(41,634)
Net cash provided by (used in) financing activities	109,945		(65,595)		47,953
Net change in cash	256,748		(113,174)		119,615
Cash at beginning of year	32,495		145,669		26,054
Cash at end of year	$	289,243	$	32,495	$	145,669

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Summary of Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2020 USD ($) segment	Dec. 31, 2019 USD ($)
Accounting Policies [Line Items]
Number of operating segments | segment	1
Number of reportable segments | segment	1
Accrued interest receivable	$ 47,672,000	$ 32,660,000
Investment in FHLB stock	13,300,000
Minimum nonaccrual loan relationships for reserve evaluation	500,000
Loans receivable
Accounting Policies [Line Items]
Accrued interest receivable	35,500,000
Held-to-maturity debt securities
Accounting Policies [Line Items]
Accrued interest receivable	1,780,000
Available-for-sale debt securities
Accounting Policies [Line Items]
Accrued interest receivable	$ 9,110,000
Buildings and improvements | Minimum
Accounting Policies [Line Items]
Estimated useful life (in years)	10 years
Buildings and improvements | Maximum
Accounting Policies [Line Items]
Estimated useful life (in years)	40 years
Land improvements
Accounting Policies [Line Items]
Estimated useful life (in years)	10 years
Furniture and equipment | Minimum
Accounting Policies [Line Items]
Estimated useful life (in years)	3 years
Furniture and equipment | Maximum
Accounting Policies [Line Items]
Estimated useful life (in years)	10 years
Loan Portfolio | Credit Concentration Risk
Accounting Policies [Line Items]
Concentration risk, percentage	69.00%

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Accounting Standards Updates and Recently Adopted Standards (Details) - USD ($) $ in Thousands	Jan. 01, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Increase in ACL		$ 147,568	$ 65,547	$ 64,613	$ 61,226
Increase in ACL for loans		137,010	62,089	61,203	58,914
Increase in ACL for unfunded commitments		10,558	3,458	3,410	2,312
Reduction in equity		(2,007,530)	(1,635,692)	(1,457,554)	(1,303,334)
Retained earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reduction in equity		$ (136,869)	(40,152)	90,419	$ 209,902
Adoption of new accounting standard
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Increase in ACL			8,751
Increase in ACL for loans			6,880
Increase in ACL for unfunded commitments			1,871
Reduction in equity			3,529	549
Adoption of new accounting standard | Retained earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reduction in equity			3,529	$ 549
ASU No. 2016-13 | Adoption of new accounting standard
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Increase in ACL			8,750
Increase in ACL for loans			6,880
Increase in ACL for unfunded commitments			1,870
Increase reclassified from amortized cost basis of PCD financial assets previously classified as PCI	$ 3,590
ASU No. 2016-13 | Adoption of new accounting standard | Retained earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reduction in equity			$ 3,530

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Mergers and Acquisitions - Narrative (Details)				1 Months Ended	3 Months Ended	12 Months Ended
	Jul. 01, 2020 USD ($) bank_branch shares	May 01, 2019 USD ($) bank_branch	Feb. 01, 2018 USD ($) shares	Jan. 31, 2018 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Business Acquisition [Line Items]
Goodwill					$ 367,809,000	$ 367,809,000	$ 327,425,000	$ 307,112,000
Merger-related and other charges						7,018,000	6,907,000	5,414,000
Three Shores
Business Acquisition [Line Items]
Number of banking offices | bank_branch	14
Assets acquired	$ 2,134,339,000
Liabilities assumed	1,987,026,000
Total consideration	187,697,000
Common stock issued in acquisition	163,589,000
Cash consideration	$ 24,108,000
Shares issued in acquisition (in shares) | shares	8,130,633
Goodwill	$ 40,384,000
Goodwill expected to be tax deductible	0
Intangible assets acquired	3,360,000
Measurement period adjustment increase to cash and cash equivalents					1,090,000.00
Measurement period adjustment increase to accrued interest receivable					116,000
Goodwill adjustment increase (decrease)					$ (1,210,000)
Three Shores | Merger-related costs
Business Acquisition [Line Items]
Merger-related and other charges						$ 5,040,000.00
Three Shores | Core deposit intangible
Business Acquisition [Line Items]
Intangible assets acquired	$ 3,360,000
Expected useful life of acquired intangible (in years)	10 years
FMBT
Business Acquisition [Line Items]
Number of banking offices | bank_branch		4
Assets acquired		$ 244,624,000
Liabilities assumed		212,844,000
Cash consideration		52,093,000
Goodwill		20,313,000
Goodwill expected to be tax deductible		0
Intangible assets acquired		2,800,000
FMBT | Merger-related costs
Business Acquisition [Line Items]
Merger-related and other charges							$ 2,020,000.00
FMBT | Core deposit intangible
Business Acquisition [Line Items]
Intangible assets acquired		$ 2,800,000
Expected useful life of acquired intangible (in years)		9 years 3 months
Navitas
Business Acquisition [Line Items]
Assets acquired			$ 393,300,000
Liabilities assumed			350,433,000
Total consideration			130,246,000
Common stock issued in acquisition			45,746,000
Cash consideration			$ 84,500,000
Shares issued in acquisition (in shares) | shares			1,443,987
Goodwill			$ 87,379,000
Goodwill expected to be tax deductible			$ 0
Value of loans acquired separate from the business combination				$ 19,900,000
Navitas | Merger-related costs
Business Acquisition [Line Items]
Merger-related and other charges								$ 4,980,000

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Mergers and Acquisitions - Acquisition date fair value of purchased assets and assumed liabilities (Details) - USD ($) $ in Thousands	Jul. 01, 2020	May 01, 2019	Feb. 01, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Consideration transferred
Goodwill				$ 367,809	$ 327,425	$ 307,112
Three Shores
Assets
Cash and cash equivalents	$ 219,807
Debt securities	381,740
Loans and leases, net	1,427,966
Premises and equipment, net	1,584
Accrued interest receivable	7,681
Derivative assets	11,800
Net deferred tax asset	15,061
Core deposit intangible	3,360
Other assets	65,340
Total assets acquired	2,134,339
Liabilities
Deposits	1,802,694
FHLB advances and long-term debt	144,121
Derivative liabilities	12,165
Other liabilities	28,046
Total liabilities assumed	1,987,026
Total identifiable net assets	147,313
Consideration transferred
Cash	24,108
Common stock issued	$ 163,589
Common stock issued (in shares)	8,130,633
Total fair value of consideration transferred	$ 187,697
Goodwill	$ 40,384
FMBT
Assets
Cash and cash equivalents		$ 32,548
Loans and leases, net		192,494
Premises and equipment, net		8,524
BOLI		6,823
Net deferred tax asset		157
Core deposit intangible		2,800
Other assets		1,278
Total assets acquired		244,624
Liabilities
Deposits		212,127
Other liabilities		717
Total liabilities assumed		212,844
Total identifiable net assets		31,780
Consideration transferred
Cash		52,093
Goodwill		$ 20,313
Navitas
Assets
Cash and cash equivalents			$ 27,700
Loans and leases, net			358,352
Premises and equipment, net			324
Net deferred tax asset			2,873
Other assets			4,051
Total assets acquired			393,300
Liabilities
Short-term borrowings			214,923
Long-term debt			119,402
Other liabilities			16,108
Total liabilities assumed			350,433
Total identifiable net assets			42,867
Consideration transferred
Cash			84,500
Common stock issued			$ 45,746
Common stock issued (in shares)			1,443,987
Total fair value of consideration transferred			$ 130,246
Goodwill			$ 87,379

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Mergers and Acquisitions - Acquired loan and lease portfolio at acquisition (Details) - USD ($) $ in Thousands	Jul. 01, 2020	May 01, 2019	Feb. 01, 2018
Three Shores
Non-PCD loans / Non-PCI loans:
Fair value	$ 1,164,675
Gross contractual amounts receivable	1,358,793
Estimate of contractual cash flows not expected to be collected	76,503
Three Shores | Purchase loans
PCD loans:
Par Value	283,137
ACL at acquisition	(11,152)
Non-credit discount	(8,694)
Purchase price	$ 263,291
FMBT
PCI loans:
Contractually required principal and interest		$ 13,145
Non-accretable difference		2,517
Cash flows expected to be collected		10,628
Accretable yield		1,300
Fair value		9,328
Non-PCD loans / Non-PCI loans:
Fair value		183,166
Gross contractual amounts receivable		218,855
Estimate of contractual cash flows not expected to be collected		$ 8,826
Navitas
PCI loans:
Contractually required principal and interest			$ 24,711
Non-accretable difference			5,505
Cash flows expected to be collected			19,206
Accretable yield			1,977
Fair value			17,229
Non-PCD loans / Non-PCI loans:
Fair value			341,123
Gross contractual amounts receivable			389,432
Estimate of contractual cash flows not expected to be collected			$ 8,624

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Mergers and Acquisitions - Pro forma information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Supplemental consolidated pro forma revenue	$ 597,729	$ 636,079	$ 539,152
Supplemental consolidated pro forma net income (loss)	168,717	210,232	171,218
Three Shores
Business Acquisition [Line Items]
Actual revenue included since acquisition date	24,541
Actual net income included since acquisition date	$ 6,800
FMBT
Business Acquisition [Line Items]
Actual revenue included since acquisition date		7,525
Actual net income included since acquisition date		$ 4,053
Navitas
Business Acquisition [Line Items]
Actual revenue included since acquisition date			24,285
Actual net income included since acquisition date			$ 7,149

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Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cash Flow [Line Items]
Transferred to foreclosed property	$ 822	$ 1,170	$ 3,020
Unsettled sales of government guaranteed loans	0	8,190	32,900
Assets acquired, fair value	2,170,000	265,000	481,000
Liabilities assumed, fair value	1,990,000	213,000	350,000
Net assets acquired	188,000	$ 52,100	130,000
Common stock issued for acquisitions	163,589		45,746
Common Stock
Cash Flow [Line Items]
Common stock issued for acquisitions	$ 164,000		$ 45,700

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Investment Securities - Narrative (Details)	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2020 USD ($) security
Investments, Debt and Equity Securities [Abstract]
Carrying value of securities pledged to secure public deposits, derivatives and other secured borrowings	$ 918,000,000		$ 1,110,000,000
Number of debt securities available for sale in unrealized loss position | security			72
Number of debt securities held-to-maturity in unrealized loss position | security			13
Other-than-temporary impairment charges	$ 0	$ 0
Allowance for credit losses, held-to-maturity portfolio			$ 0
Allowance for credit losses, available-for-sale portfolio			$ 0

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Investment Securities - Cost basis, unrealized gains and losses, and fair value of debt securities held to maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Debt securities held to maturity:
Amortized Cost	$ 420,361	$ 283,533
Gross Unrealized Gains	17,332	5,215
Gross Unrealized Losses	500	844
Fair Value	437,193	287,904
U.S. Government agencies & GSEs
Debt securities held to maturity:
Amortized Cost	10,575
Gross Unrealized Gains	26
Gross Unrealized Losses	11
Fair Value	10,590
State and political subdivisions
Debt securities held to maturity:
Amortized Cost	197,723	45,479
Gross Unrealized Gains	7,658	1,574
Gross Unrealized Losses	242	9
Fair Value	205,139	47,044
Residential mortgage-backed, Agency & GSE
Debt securities held to maturity:
Amortized Cost	113,400	153,967
Gross Unrealized Gains	4,774	2,014
Gross Unrealized Losses	1	694
Fair Value	118,173	155,287
Commercial mortgage-backed, Agency & GSE
Debt securities held to maturity:
Amortized Cost	98,663	84,087
Gross Unrealized Gains	4,874	1,627
Gross Unrealized Losses	246	141
Fair Value	$ 103,291	$ 85,573

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Investment Securities - Cost basis, unrealized gains and losses, and fair value of debt securities available for sale (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Debt securities available for sale:
Amortized Cost	$ 3,152,111	$ 2,240,607
Gross Unrealized Gains	75,108	36,982
Gross Unrealized Losses	2,498	3,008
Fair Value	3,224,721	2,274,581
U.S. Treasuries
Debt securities available for sale:
Amortized Cost	123,677	152,990
Gross Unrealized Gains	4,395	1,628
Gross Unrealized Losses	0	0
Fair Value	128,072	154,618
U.S. Government agencies & GSEs
Debt securities available for sale:
Amortized Cost	152,596	2,848
Gross Unrealized Gains	701	188
Gross Unrealized Losses	325	1
Fair Value	152,972	3,035
State and political subdivisions
Debt securities available for sale:
Amortized Cost	253,630	214,677
Gross Unrealized Gains	20,891	11,813
Gross Unrealized Losses	49	0
Fair Value	274,472	226,490
Residential mortgage-backed, Agency & GSE
Debt securities available for sale:
Amortized Cost	1,275,551	1,030,948
Gross Unrealized Gains	29,107	12,022
Gross Unrealized Losses	766	726
Fair Value	1,303,892	1,042,244
Residential mortgage-backed, Non-agency
Debt securities available for sale:
Amortized Cost	174,322	250,550
Gross Unrealized Gains	7,499	6,231
Gross Unrealized Losses	128	0
Fair Value	181,693	256,781
Commercial mortgage-backed, Agency & GSE
Debt securities available for sale:
Amortized Cost	524,852	266,770
Gross Unrealized Gains	8,013	2,261
Gross Unrealized Losses	597	128
Fair Value	532,268	268,903
Commercial mortgage-backed, Non-agency
Debt securities available for sale:
Amortized Cost	15,350	15,395
Gross Unrealized Gains	1,513	918
Gross Unrealized Losses	0	263
Fair Value	16,863	16,050
Corporate bonds
Debt securities available for sale:
Amortized Cost	70,057	202,131
Gross Unrealized Gains	1,711	1,178
Gross Unrealized Losses	1	218
Fair Value	71,767	203,091
Asset-backed securities
Debt securities available for sale:
Amortized Cost	562,076	104,298
Gross Unrealized Gains	1,278	743
Gross Unrealized Losses	632	1,672
Fair Value	$ 562,722	$ 103,369

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Investment Securities - Summary of held-to-maturity securities in unrealized loss position (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Debt securities held-to-maturity in an unrealized loss position
Fair Value, Less than 12 Months	$ 45,502	$ 48,007
Unrealized Loss, Less than 12 Months	490	160
Fair Value, 12 Months or More	1,352	49,922
Unrealized Loss, 12 Months or More	10	684
Fair Value, Total	46,854	97,929
Unrealized Loss, Total	500	844
U.S. Government agencies & GSEs
Debt securities held-to-maturity in an unrealized loss position
Fair Value, Less than 12 Months	4,677
Unrealized Loss, Less than 12 Months	11
Fair Value, 12 Months or More	0
Unrealized Loss, 12 Months or More	0
Fair Value, Total	4,677
Unrealized Loss, Total	11
State and political subdivisions
Debt securities held-to-maturity in an unrealized loss position
Fair Value, Less than 12 Months	14,870	10,117
Unrealized Loss, Less than 12 Months	242	9
Fair Value, 12 Months or More	0	0
Unrealized Loss, 12 Months or More	0	0
Fair Value, Total	14,870	10,117
Unrealized Loss, Total	242	9
Residential mortgage-backed, Agency & GSE
Debt securities held-to-maturity in an unrealized loss position
Fair Value, Less than 12 Months	999	16,049
Unrealized Loss, Less than 12 Months	1	64
Fair Value, 12 Months or More	0	48,237
Unrealized Loss, 12 Months or More	0	630
Fair Value, Total	999	64,286
Unrealized Loss, Total	1	694
Commercial mortgage-backed, Agency & GSE
Debt securities held-to-maturity in an unrealized loss position
Fair Value, Less than 12 Months	24,956	21,841
Unrealized Loss, Less than 12 Months	236	87
Fair Value, 12 Months or More	1,352	1,685
Unrealized Loss, 12 Months or More	10	54
Fair Value, Total	26,308	23,526
Unrealized Loss, Total	$ 246	$ 141

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Investment Securities - Summary of available-for-sale securities in unrealized loss position (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Debt securities available-for-sale in an unrealized loss position
Fair Value, Less than 12 Months	$ 450,517	$ 281,051
Unrealized Loss, Less than 12 Months	1,893	1,418
Fair Value, 12 Months or More	54,194	96,663
Unrealized Loss, 12 Months or More	605	1,590
Fair Value, Total	504,711	377,714
Unrealized Loss, Total	2,498	3,008
U.S. Government agencies & GSEs
Debt securities available-for-sale in an unrealized loss position
Fair Value, Less than 12 Months	27,952	404
Unrealized Loss, Less than 12 Months	324	1
Fair Value, 12 Months or More	607	0
Unrealized Loss, 12 Months or More	1	0
Fair Value, Total	28,559	404
Unrealized Loss, Total	325	1
State and political subdivisions
Debt securities available-for-sale in an unrealized loss position
Fair Value, Less than 12 Months	9,402
Unrealized Loss, Less than 12 Months	49
Fair Value, 12 Months or More	0
Unrealized Loss, 12 Months or More	0
Fair Value, Total	9,402
Unrealized Loss, Total	49
Residential mortgage-backed, Agency & GSE
Debt securities available-for-sale in an unrealized loss position
Fair Value, Less than 12 Months	232,199	228,611
Unrealized Loss, Less than 12 Months	766	576
Fair Value, 12 Months or More	0	18,294
Unrealized Loss, 12 Months or More	0	150
Fair Value, Total	232,199	246,905
Unrealized Loss, Total	766	726
Residential mortgage-backed, Non-agency
Debt securities available-for-sale in an unrealized loss position
Fair Value, Less than 12 Months	2,331
Unrealized Loss, Less than 12 Months	128
Fair Value, 12 Months or More	0
Unrealized Loss, 12 Months or More	0
Fair Value, Total	2,331
Unrealized Loss, Total	128
Commercial mortgage-backed, Agency & GSE
Debt securities available-for-sale in an unrealized loss position
Fair Value, Less than 12 Months	89,918	0
Unrealized Loss, Less than 12 Months	597	0
Fair Value, 12 Months or More	0	33,517
Unrealized Loss, 12 Months or More	0	128
Fair Value, Total	89,918	33,517
Unrealized Loss, Total	597	128
Commercial mortgage-backed, Non-agency
Debt securities available-for-sale in an unrealized loss position
Fair Value, Less than 12 Months		0
Unrealized Loss, Less than 12 Months		0
Fair Value, 12 Months or More		4,864
Unrealized Loss, 12 Months or More		263
Fair Value, Total		4,864
Unrealized Loss, Total		263
Corporate bonds
Debt securities available-for-sale in an unrealized loss position
Fair Value, Less than 12 Months	1,410	19,742
Unrealized Loss, Less than 12 Months	1	216
Fair Value, 12 Months or More	0	998
Unrealized Loss, 12 Months or More	0	2
Fair Value, Total	1,410	20,740
Unrealized Loss, Total	1	218
Asset-backed securities
Debt securities available-for-sale in an unrealized loss position
Fair Value, Less than 12 Months	87,305	32,294
Unrealized Loss, Less than 12 Months	28	625
Fair Value, 12 Months or More	53,587	38,990
Unrealized Loss, 12 Months or More	604	1,047
Fair Value, Total	140,892	71,284
Unrealized Loss, Total	$ 632	$ 1,672

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Investment Securities - Summary of securities sales activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Investments, Debt and Equity Securities [Abstract]
Proceeds from sales	$ 40,625	$ 352,106	$ 168,891
Gross gains on sales	748	1,843	2,082
Gross losses on sales	0	(2,864)	(2,738)
Net gains (losses) on sales of securities	748	(1,021)	(656)
Income tax expense (benefit) attributable to sales	$ 191	$ (247)	$ (132)

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Investment Securities - Amortized cost and fair value of held-to-maturity and available-for-sale securities by contractual maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Available-for-Sale, Amortized Cost
Available-for-Sale, Amortized Cost, Within 1 year	$ 51,676
Available-for-Sale, Amortized Cost, 1 to 5 years	213,363
Available-for-Sale, Amortized Cost, 5 to 10 years	128,631
Available-for-Sale, Amortized Cost, More than 10 years	206,290
Amortized Cost	3,152,111	$ 2,240,607
Available-for-Sale, Fair Value
Available-for-Sale, Fair Value, Within 1 year	52,336
Available-for-Sale, Fair Value, 1 to 5 years	221,962
Available-for-Sale, Fair Value, 5 to 10 years	133,809
Available-for-Sale, Fair Value, More than 10 years	219,176
Fair Value	3,224,721	2,274,581
Held-to-Maturity, Amortized Cost
Held-to-Maturity, Amortized Cost, Within 1 year	1,700
Held-to-Maturity, Amortized Cost, 1 to 5 years	14,505
Held-to-Maturity, Amortized Cost, 5 to 10 years	7,028
Held-to-Maturity, Amortized Cost, More than 10 years	185,065
Amortized Cost	420,361	283,533
Held-to-Maturity, Fair Value
Held-to-Maturity, Fair Value, Within 1 year	1,743
Held-to-Maturity, Fair Value, 1 to 5 years	16,059
Held-to-Maturity, Fair Value, 5 to 10 years	7,957
Held-to-Maturity, Fair Value, More than 10 years	189,970
Fair value	437,193	287,904
U.S. Treasuries
Available-for-Sale, Amortized Cost
Available-for-Sale, Amortized Cost, Within 1 year	20,014
Available-for-Sale, Amortized Cost, 1 to 5 years	103,663
Amortized Cost	123,677	152,990
Available-for-Sale, Fair Value
Available-for-Sale, Fair Value, Within 1 year	20,311
Available-for-Sale, Fair Value, 1 to 5 years	107,761
Fair Value	128,072	154,618
Held-to-Maturity, Amortized Cost
Held-to-Maturity, Amortized Cost, Within 1 year	0
Held-to-Maturity, Amortized Cost, 1 to 5 years	0
Held-to-Maturity, Fair Value
Held-to-Maturity, Fair Value, Within 1 year	0
Held-to-Maturity, Fair Value, 1 to 5 years	0
U.S. Government agencies & GSEs
Available-for-Sale, Amortized Cost
Available-for-Sale, Amortized Cost, Within 1 year	201
Available-for-Sale, Amortized Cost, 1 to 5 years	16,710
Available-for-Sale, Amortized Cost, 5 to 10 years	55,588
Available-for-Sale, Amortized Cost, More than 10 years	80,097
Amortized Cost	152,596	2,848
Available-for-Sale, Fair Value
Available-for-Sale, Fair Value, Within 1 year	201
Available-for-Sale, Fair Value, 1 to 5 years	16,820
Available-for-Sale, Fair Value, 5 to 10 years	55,481
Available-for-Sale, Fair Value, More than 10 years	80,470
Fair Value	152,972	3,035
Held-to-Maturity, Amortized Cost
Held-to-Maturity, Amortized Cost, Within 1 year	0
Held-to-Maturity, Amortized Cost, 1 to 5 years	0
Held-to-Maturity, Amortized Cost, 5 to 10 years	0
Held-to-Maturity, Amortized Cost, More than 10 years	10,575
Amortized Cost	10,575
Held-to-Maturity, Fair Value
Held-to-Maturity, Fair Value, Within 1 year	0
Held-to-Maturity, Fair Value, 1 to 5 years	0
Held-to-Maturity, Fair Value, 5 to 10 years	0
Held-to-Maturity, Fair Value, More than 10 years	10,590
Fair value	10,590
State and political subdivisions
Available-for-Sale, Amortized Cost
Available-for-Sale, Amortized Cost, Within 1 year	20,020
Available-for-Sale, Amortized Cost, 1 to 5 years	48,354
Available-for-Sale, Amortized Cost, 5 to 10 years	59,837
Available-for-Sale, Amortized Cost, More than 10 years	125,419
Amortized Cost	253,630	214,677
Available-for-Sale, Fair Value
Available-for-Sale, Fair Value, Within 1 year	20,232
Available-for-Sale, Fair Value, 1 to 5 years	51,544
Available-for-Sale, Fair Value, 5 to 10 years	64,843
Available-for-Sale, Fair Value, More than 10 years	137,853
Fair Value	274,472	226,490
Held-to-Maturity, Amortized Cost
Held-to-Maturity, Amortized Cost, Within 1 year	1,700
Held-to-Maturity, Amortized Cost, 1 to 5 years	14,505
Held-to-Maturity, Amortized Cost, 5 to 10 years	7,028
Held-to-Maturity, Amortized Cost, More than 10 years	174,490
Amortized Cost	197,723	45,479
Held-to-Maturity, Fair Value
Held-to-Maturity, Fair Value, Within 1 year	1,743
Held-to-Maturity, Fair Value, 1 to 5 years	16,059
Held-to-Maturity, Fair Value, 5 to 10 years	7,957
Held-to-Maturity, Fair Value, More than 10 years	179,380
Fair value	205,139	47,044
Corporate bonds
Available-for-Sale, Amortized Cost
Available-for-Sale, Amortized Cost, Within 1 year	11,441
Available-for-Sale, Amortized Cost, 1 to 5 years	44,636
Available-for-Sale, Amortized Cost, 5 to 10 years	13,206
Available-for-Sale, Amortized Cost, More than 10 years	774
Amortized Cost	70,057	202,131
Available-for-Sale, Fair Value
Available-for-Sale, Fair Value, Within 1 year	11,592
Available-for-Sale, Fair Value, 1 to 5 years	45,837
Available-for-Sale, Fair Value, 5 to 10 years	13,485
Available-for-Sale, Fair Value, More than 10 years	853
Fair Value	71,767	203,091
Held-to-Maturity, Amortized Cost
Held-to-Maturity, Amortized Cost, Within 1 year	0
Held-to-Maturity, Amortized Cost, 1 to 5 years	0
Held-to-Maturity, Amortized Cost, 5 to 10 years	0
Held-to-Maturity, Amortized Cost, More than 10 years	0
Held-to-Maturity, Fair Value
Held-to-Maturity, Fair Value, Within 1 year	0
Held-to-Maturity, Fair Value, 1 to 5 years	0
Held-to-Maturity, Fair Value, 5 to 10 years	0
Held-to-Maturity, Fair Value, More than 10 years	0
Asset-backed securities
Available-for-Sale, Amortized Cost
Available-for-Sale, Amortized Cost, Not due at single maturity	562,076
Amortized Cost	562,076	104,298
Available-for-Sale, Fair Value
Available-for-Sale, Fair Value, Not due at single maturity	562,722
Fair Value	562,722	$ 103,369
Held-to-Maturity, Amortized Cost
Held-to-Maturity, Amortized Cost, Not due at single maturity	0
Held-to-Maturity, Fair Value
Held-to-Maturity, Fair Value, Not due at single maturity	0
Residential mortgage-backed securities
Available-for-Sale, Amortized Cost
Available-for-Sale, Amortized Cost, Not due at single maturity	1,449,873
Available-for-Sale, Fair Value
Available-for-Sale, Fair Value, Not due at single maturity	1,485,585
Held-to-Maturity, Amortized Cost
Held-to-Maturity, Amortized Cost, Not due at single maturity	113,400
Held-to-Maturity, Fair Value
Held-to-Maturity, Fair Value, Not due at single maturity	118,173
Commercial mortgage-backed securities
Available-for-Sale, Amortized Cost
Available-for-Sale, Amortized Cost, Not due at single maturity	540,202
Available-for-Sale, Fair Value
Available-for-Sale, Fair Value, Not due at single maturity	549,131
Held-to-Maturity, Amortized Cost
Held-to-Maturity, Amortized Cost, Not due at single maturity	98,663
Held-to-Maturity, Fair Value
Held-to-Maturity, Fair Value, Not due at single maturity	$ 103,291

XML

Loans and Leases and Allowance for Credit Losses - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net investment in leases	$ 36,802	$ 37,378
Gross additional interest income that would have been earned if the nonaccrual loans had performed as per original term	2,860	1,260	$ 1,090
Carrying value of PCI loans		58,646
TDRs	61,600	54,200
Loans receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term deferrals related to COVID-19 crisis	70,700
Carrying value of PCI loans		58,646
Outstanding balance of PCI loans		83,100
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Overdrawn deposit accounts	$ 2,180	1,300
Consumer | Loans receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying value of PCI loans		$ 336

XML

Loans and Leases and Allowance for Credit Losses - Major classifications of the loan and lease portfolio (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Classifications of loans
Total loans	$ 11,370,815	$ 8,812,553
Less ACL - loans	(137,010)	(62,089)	$ (61,203)	$ (58,914)
Loans and leases, net	11,233,805	8,750,464
Loans receivable
Classifications of loans
Total loans	11,370,815	8,812,553
Loans receivable | Commercial
Classifications of loans
Total loans	8,960,888	6,669,593
Loans receivable | Commercial | Owner occupied commercial real estate
Classifications of loans
Total loans	2,090,443	1,720,227
Less ACL - loans	(20,673)	(11,404)	(12,207)	(14,776)
Loans receivable | Commercial | Income producing commercial real estate
Classifications of loans
Total loans	2,540,750	2,007,950
Less ACL - loans	(41,737)	(12,306)	(11,073)	(9,381)
Loans receivable | Commercial | Commercial & industrial
Classifications of loans
Total loans	2,498,560	1,220,657
Less ACL - loans	(22,019)	(5,266)	(4,802)	(3,971)
Loans receivable | Commercial | PPP loans included in commercial & industrial
Classifications of loans
Total loans	646,000
Loans receivable | Commercial | Construction
Classifications of loans
Total loans	967,305	976,215
Less ACL - loans	(10,952)	(9,668)	(10,337)	(10,523)
Loans receivable | Commercial | Equipment financing
Classifications of loans
Total loans	863,830	744,544
Less ACL - loans	(16,820)	(7,384)	(5,452)	0
Loans receivable | Residential | Residential mortgage
Classifications of loans
Total loans	1,284,920	1,117,616
Less ACL - loans	(15,341)	(8,081)	(8,295)	(10,097)
Loans receivable | Residential | Home equity lines of credit
Classifications of loans
Total loans	697,117	660,675
Less ACL - loans	(8,417)	(4,575)	(4,752)	(5,177)
Loans receivable | Residential | Construction
Classifications of loans
Total loans	281,430	236,437
Less ACL - loans	(764)	(2,504)	(2,433)	(2,729)
Loans receivable | Consumer
Classifications of loans
Total loans	146,460	128,232
Less ACL - loans	$ (287)	$ (901)	$ (853)	$ (710)

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Loans and Leases and Allowance for Credit Losses - Loans Sold (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans sold	$ 75,403	$ 214,899	$ 120,977
Guaranteed portion of SBA/USDA loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans sold	48,385	81,158	120,977
Equipment financing
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans sold	27,018	30,952	0
Indirect auto
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans sold	$ 0	$ 102,789	$ 0

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Loans and Leases and Allowance for Credit Losses - Components of net investment in leases (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Receivables [Abstract]
Minimum future lease payments receivable	$ 38,934	$ 39,709
Estimated residual value of leased equipment	3,263	3,631
Initial direct costs	672	842
Security deposits	(727)	(989)
Purchase accounting premium	117	273
Unearned income	(5,457)	(6,088)
Net investment in leases	$ 36,802	$ 37,378

XML

Loans and Leases and Allowance for Credit Losses - Minimum future lease payments to be received (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Minimum future lease payments expected to be received
2021	$ 15,152
2022	11,516
2023	7,452
2024	3,429
2025	1,341
Thereafter	44
Total	$ 38,934

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Loans and Leases and Allowance for Credit Losses - Aging of amortized cost basis in loans by aging category and accrual status (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Loans by aging category
Total loans	$ 11,370,815	$ 8,812,553
Loans receivable
Loans by aging category
Total loans	11,370,815	8,812,553
Nonaccrual Loans	61,599	35,341
Loans receivable | Current Loans
Loans by aging category
Total loans	11,288,847	8,712,667
Loans receivable | Loans Past Due, 30 - 59 Days
Loans by aging category
Total loans	15,744
Loans receivable | Loans Past Due, 60 - 89 Days
Loans by aging category
Total loans	4,625
Loans receivable | Loans Past Due, > 90 Days
Loans by aging category
Loans Past Due	0
Loans receivable | Commercial
Loans by aging category
Total loans	8,960,888	6,669,593
Nonaccrual Loans	45,515	20,503
Loans receivable | Commercial | Current Loans
Loans by aging category
Total loans	8,905,003	6,596,675
Loans receivable | Commercial | Loans Past Due, 30 - 59 Days
Loans by aging category
Total loans	7,459
Loans receivable | Commercial | Loans Past Due, 60 - 89 Days
Loans by aging category
Total loans	2,911
Loans receivable | Commercial | Loans Past Due, > 90 Days
Loans by aging category
Loans Past Due	0
Loans receivable | Commercial | Owner occupied commercial real estate
Loans by aging category
Total loans	2,090,443	1,720,227
Nonaccrual Loans	8,582	10,544
Loans receivable | Commercial | Owner occupied commercial real estate | Current Loans
Loans by aging category
Total loans	2,079,845	1,700,682
Loans receivable | Commercial | Owner occupied commercial real estate | Loans Past Due, 30 - 59 Days
Loans by aging category
Total loans	2,013
Loans receivable | Commercial | Owner occupied commercial real estate | Loans Past Due, 60 - 89 Days
Loans by aging category
Total loans	3
Loans receivable | Commercial | Owner occupied commercial real estate | Loans Past Due, > 90 Days
Loans by aging category
Loans Past Due	0
Loans receivable | Commercial | Income producing commercial real estate
Loans by aging category
Total loans	2,540,750	2,007,950
Nonaccrual Loans	15,149	1,996
Loans receivable | Commercial | Income producing commercial real estate | Current Loans
Loans by aging category
Total loans	2,522,743	1,979,053
Loans receivable | Commercial | Income producing commercial real estate | Loans Past Due, 30 - 59 Days
Loans by aging category
Total loans	1,608
Loans receivable | Commercial | Income producing commercial real estate | Loans Past Due, 60 - 89 Days
Loans by aging category
Total loans	1,250
Loans receivable | Commercial | Income producing commercial real estate | Loans Past Due, > 90 Days
Loans by aging category
Loans Past Due	0
Loans receivable | Commercial | Commercial & industrial
Loans by aging category
Total loans	2,498,560	1,220,657
Nonaccrual Loans	16,634	2,545
Loans receivable | Commercial | Commercial & industrial | Current Loans
Loans by aging category
Total loans	2,480,483	1,215,581
Loans receivable | Commercial | Commercial & industrial | Loans Past Due, 30 - 59 Days
Loans by aging category
Total loans	1,176
Loans receivable | Commercial | Commercial & industrial | Loans Past Due, 60 - 89 Days
Loans by aging category
Total loans	267
Loans receivable | Commercial | Commercial & industrial | Loans Past Due, > 90 Days
Loans by aging category
Loans Past Due	0
Loans receivable | Commercial | Construction
Loans by aging category
Total loans	967,305	976,215
Nonaccrual Loans	1,745	2,277
Loans receivable | Commercial | Construction | Current Loans
Loans by aging category
Total loans	964,947	966,833
Loans receivable | Commercial | Construction | Loans Past Due, 30 - 59 Days
Loans by aging category
Total loans	231
Loans receivable | Commercial | Construction | Loans Past Due, 60 - 89 Days
Loans by aging category
Total loans	382
Loans receivable | Commercial | Construction | Loans Past Due, > 90 Days
Loans by aging category
Loans Past Due	0
Loans receivable | Commercial | Equipment financing
Loans by aging category
Total loans	863,830	744,544
Nonaccrual Loans	3,405	3,141
Loans receivable | Commercial | Equipment financing | Current Loans
Loans by aging category
Total loans	856,985	734,526
Loans receivable | Commercial | Equipment financing | Loans Past Due, 30 - 59 Days
Loans by aging category
Total loans	2,431
Loans receivable | Commercial | Equipment financing | Loans Past Due, 60 - 89 Days
Loans by aging category
Total loans	1,009
Loans receivable | Commercial | Equipment financing | Loans Past Due, > 90 Days
Loans by aging category
Loans Past Due	0
Loans receivable | Residential | Construction
Loans by aging category
Total loans	281,430	236,437
Nonaccrual Loans	514	939
Loans receivable | Residential | Construction | Current Loans
Loans by aging category
Total loans	280,551	235,211
Loans receivable | Residential | Construction | Loans Past Due, 30 - 59 Days
Loans by aging category
Total loans	365
Loans receivable | Residential | Construction | Loans Past Due, 60 - 89 Days
Loans by aging category
Total loans	0
Loans receivable | Residential | Construction | Loans Past Due, > 90 Days
Loans by aging category
Loans Past Due	0
Loans receivable | Residential | Residential mortgage
Loans by aging category
Total loans	1,284,920	1,117,616
Nonaccrual Loans	12,858	10,567
Loans receivable | Residential | Residential mortgage | Current Loans
Loans by aging category
Total loans	1,265,019	1,097,999
Loans receivable | Residential | Residential mortgage | Loans Past Due, 30 - 59 Days
Loans by aging category
Total loans	5,549
Loans receivable | Residential | Residential mortgage | Loans Past Due, 60 - 89 Days
Loans by aging category
Total loans	1,494
Loans receivable | Residential | Residential mortgage | Loans Past Due, > 90 Days
Loans by aging category
Loans Past Due	0
Loans receivable | Residential | Home equity lines of credit
Loans by aging category
Total loans	697,117	660,675
Nonaccrual Loans	2,487	3,173
Loans receivable | Residential | Home equity lines of credit | Current Loans
Loans by aging category
Total loans	692,504	655,762
Loans receivable | Residential | Home equity lines of credit | Loans Past Due, 30 - 59 Days
Loans by aging category
Total loans	1,942
Loans receivable | Residential | Home equity lines of credit | Loans Past Due, 60 - 89 Days
Loans by aging category
Total loans	184
Loans receivable | Residential | Home equity lines of credit | Loans Past Due, > 90 Days
Loans by aging category
Loans Past Due	0
Loans receivable | Consumer
Loans by aging category
Total loans	146,460	128,232
Nonaccrual Loans	225	159
Loans receivable | Consumer | Current Loans
Loans by aging category
Total loans	145,770	$ 127,020
Loans receivable | Consumer | Loans Past Due, 30 - 59 Days
Loans by aging category
Total loans	429
Loans receivable | Consumer | Loans Past Due, 60 - 89 Days
Loans by aging category
Total loans	36
Loans receivable | Consumer | Loans Past Due, > 90 Days
Loans by aging category
Loans Past Due	$ 0

XML

Loans and Leases and Allowance for Credit Losses - Aging of recorded investment in loans, including accruing and nonaccrual loans (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Financing Receivable, Past Due [Line Items]
PCI Loans		$ 58,646
Total loans	$ 11,370,815	8,812,553
Loans receivable
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		41,240
PCI Loans		58,646
Total loans	11,370,815	8,812,553
Loans receivable | Loans Past Due, 30 - 59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		17,892
Total loans	15,744
Loans receivable | Loans Past Due, 60 - 89 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		7,623
Total loans	4,625
Loans receivable | Loans Past Due, > 90 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		15,725
Loans receivable | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans	11,288,847	8,712,667
Loans receivable | Commercial
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		25,971
PCI Loans		46,947
Total loans	8,960,888	6,669,593
Loans receivable | Commercial | Loans Past Due, 30 - 59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		9,547
Total loans	7,459
Loans receivable | Commercial | Loans Past Due, 60 - 89 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		4,684
Total loans	2,911
Loans receivable | Commercial | Loans Past Due, > 90 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		11,740
Loans receivable | Commercial | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans	8,905,003	6,596,675
Loans receivable | Commercial | Owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		10,999
PCI Loans		8,546
Total loans	2,090,443	1,720,227
Loans receivable | Commercial | Owner occupied commercial real estate | Loans Past Due, 30 - 59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		2,913
Total loans	2,013
Loans receivable | Commercial | Owner occupied commercial real estate | Loans Past Due, 60 - 89 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		2,007
Total loans	3
Loans receivable | Commercial | Owner occupied commercial real estate | Loans Past Due, > 90 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		6,079
Loans receivable | Commercial | Owner occupied commercial real estate | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans	2,079,845	1,700,682
Loans receivable | Commercial | Income producing commercial real estate
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		1,669
PCI Loans		27,228
Total loans	2,540,750	2,007,950
Loans receivable | Commercial | Income producing commercial real estate | Loans Past Due, 30 - 59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		562
Total loans	1,608
Loans receivable | Commercial | Income producing commercial real estate | Loans Past Due, 60 - 89 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		706
Total loans	1,250
Loans receivable | Commercial | Income producing commercial real estate | Loans Past Due, > 90 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		401
Loans receivable | Commercial | Income producing commercial real estate | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans	2,522,743	1,979,053
Loans receivable | Commercial | Commercial & industrial
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		4,750
PCI Loans		326
Total loans	2,498,560	1,220,657
Loans receivable | Commercial | Commercial & industrial | Loans Past Due, 30 - 59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		2,140
Total loans	1,176
Loans receivable | Commercial | Commercial & industrial | Loans Past Due, 60 - 89 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		491
Total loans	267
Loans receivable | Commercial | Commercial & industrial | Loans Past Due, > 90 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		2,119
Loans receivable | Commercial | Commercial & industrial | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans	2,480,483	1,215,581
Loans receivable | Commercial | Construction
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		2,520
PCI Loans		6,862
Total loans	967,305	976,215
Loans receivable | Commercial | Construction | Loans Past Due, 30 - 59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		1,867
Total loans	231
Loans receivable | Commercial | Construction | Loans Past Due, 60 - 89 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		557
Total loans	382
Loans receivable | Commercial | Construction | Loans Past Due, > 90 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		96
Loans receivable | Commercial | Construction | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans	964,947	966,833
Loans receivable | Commercial | Equipment financing
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		6,033
PCI Loans		3,985
Total loans	863,830	744,544
Loans receivable | Commercial | Equipment financing | Loans Past Due, 30 - 59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		2,065
Total loans	2,431
Loans receivable | Commercial | Equipment financing | Loans Past Due, 60 - 89 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		923
Total loans	1,009
Loans receivable | Commercial | Equipment financing | Loans Past Due, > 90 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		3,045
Loans receivable | Commercial | Equipment financing | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans	856,985	734,526
Loans receivable | Residential | Construction
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		852
PCI Loans		374
Total loans	281,430	236,437
Loans receivable | Residential | Construction | Loans Past Due, 30 - 59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		325
Total loans	365
Loans receivable | Residential | Construction | Loans Past Due, 60 - 89 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		125
Total loans	0
Loans receivable | Residential | Construction | Loans Past Due, > 90 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		402
Loans receivable | Residential | Construction | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans	280,551	235,211
Loans receivable | Residential | Residential mortgage
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		10,038
PCI Loans		9,579
Total loans	1,284,920	1,117,616
Loans receivable | Residential | Residential mortgage | Loans Past Due, 30 - 59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		5,655
Total loans	5,549
Loans receivable | Residential | Residential mortgage | Loans Past Due, 60 - 89 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		2,212
Total loans	1,494
Loans receivable | Residential | Residential mortgage | Loans Past Due, > 90 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		2,171
Loans receivable | Residential | Residential mortgage | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans	1,265,019	1,097,999
Loans receivable | Residential | Home equity lines of credit
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		3,503
PCI Loans		1,410
Total loans	697,117	660,675
Loans receivable | Residential | Home equity lines of credit | Loans Past Due, 30 - 59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		1,697
Total loans	1,942
Loans receivable | Residential | Home equity lines of credit | Loans Past Due, 60 - 89 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		421
Total loans	184
Loans receivable | Residential | Home equity lines of credit | Loans Past Due, > 90 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		1,385
Loans receivable | Residential | Home equity lines of credit | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans	692,504	655,762
Loans receivable | Consumer
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		876
PCI Loans		336
Total loans	146,460	128,232
Loans receivable | Consumer | Loans Past Due, 30 - 59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		668
Total loans	429
Loans receivable | Consumer | Loans Past Due, 60 - 89 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		181
Total loans	36
Loans receivable | Consumer | Loans Past Due, > 90 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due - Accruing And Nonaccrual		27
Loans receivable | Consumer | Current Loans
Financing Receivable, Past Due [Line Items]
Total loans	$ 145,770	$ 127,020

XML

Loans and Leases and Allowance for Credit Losses - Recorded investment in nonaccrual loans by loan class (Details) - Loans receivable - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Loans by aging category
Nonaccrual loans with no allowance	$ 23,760
Nonaccrual loans with an allowance	37,839
Nonaccrual Loans	61,599	$ 35,341
Commercial
Loans by aging category
Nonaccrual loans with no allowance	20,121
Nonaccrual loans with an allowance	25,394
Nonaccrual Loans	45,515	20,503
Commercial | Owner occupied commercial real estate
Loans by aging category
Nonaccrual loans with no allowance	6,614
Nonaccrual loans with an allowance	1,968
Nonaccrual Loans	8,582	10,544
Commercial | Income producing commercial real estate
Loans by aging category
Nonaccrual loans with no allowance	10,008
Nonaccrual loans with an allowance	5,141
Nonaccrual Loans	15,149	1,996
Commercial | Commercial & industrial
Loans by aging category
Nonaccrual loans with no allowance	2,004
Nonaccrual loans with an allowance	14,630
Nonaccrual Loans	16,634	2,545
Commercial | Construction
Loans by aging category
Nonaccrual loans with no allowance	1,339
Nonaccrual loans with an allowance	406
Nonaccrual Loans	1,745	2,277
Commercial | Equipment financing
Loans by aging category
Nonaccrual loans with no allowance	156
Nonaccrual loans with an allowance	3,249
Nonaccrual Loans	3,405	3,141
Residential | Construction
Loans by aging category
Nonaccrual loans with no allowance	274
Nonaccrual loans with an allowance	240
Nonaccrual Loans	514	939
Residential | Residential mortgage
Loans by aging category
Nonaccrual loans with no allowance	1,855
Nonaccrual loans with an allowance	11,003
Nonaccrual Loans	12,858	10,567
Residential | Home equity lines of credit
Loans by aging category
Nonaccrual loans with no allowance	1,329
Nonaccrual loans with an allowance	1,158
Nonaccrual Loans	2,487	3,173
Consumer
Loans by aging category
Nonaccrual loans with no allowance	181
Nonaccrual loans with an allowance	44
Nonaccrual Loans	$ 225	$ 159

XML

Loans and Leases and Allowance for Credit Losses - Amortized cost of loans by risk category by vintage year (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
2020	$ 4,219,098
2019	1,865,899
2018	1,433,719
2017	874,745
2016	759,094
Prior	789,304
Revolvers	1,368,554
Revolvers converted to term loans	60,402
Total	11,370,815	$ 8,812,553
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	4,093,543
2019	1,773,077
2018	1,352,195
2017	815,046
2016	669,394
Prior	753,530
Revolvers	1,338,027
Revolvers converted to term loans	52,038
Total	10,846,850	8,558,459
Watch
Financing Receivable, Credit Quality Indicator [Line Items]
2020	67,047
2019	63,506
2018	47,167
2017	47,185
2016	47,536
Prior	16,559
Revolvers	6,564
Revolvers converted to term loans	1,681
Total	297,245	93,703
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	58,508
2019	29,316
2018	34,357
2017	12,514
2016	42,164
Prior	19,215
Revolvers	23,963
Revolvers converted to term loans	6,683
Total	226,720	$ 160,391
Commercial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	3,343,874
2019	1,521,690
2018	1,208,471
2017	685,027
2016	540,614
Prior	508,536
Revolvers	620,686
Revolvers converted to term loans	28,924
Total	8,457,822
Commercial | Watch
Financing Receivable, Credit Quality Indicator [Line Items]
2020	67,047
2019	63,506
2018	47,167
2017	47,185
2016	47,536
Prior	16,559
Revolvers	6,564
Revolvers converted to term loans	1,681
Total	297,245
Commercial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	56,353
2019	27,076
2018	31,080
2017	11,081
2016	41,283
Prior	12,877
Revolvers	23,698
Revolvers converted to term loans	2,373
Total	205,821
Commercial | Owner occupied commercial real estate | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	707,501
2019	368,615
2018	231,316
2017	197,778
2016	201,362
Prior	229,667
Revolvers	56,273
Revolvers converted to term loans	9,072
Total	2,001,584
Commercial | Owner occupied commercial real estate | Watch
Financing Receivable, Credit Quality Indicator [Line Items]
2020	8,759
2019	4,088
2018	4,221
2017	10,025
2016	11,138
Prior	4,728
Revolvers	100
Revolvers converted to term loans	0
Total	43,059
Commercial | Owner occupied commercial real estate | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	6,586
2019	10,473
2018	7,596
2017	3,717
2016	6,753
Prior	8,473
Revolvers	1,528
Revolvers converted to term loans	674
Total	45,800
Commercial | Income producing commercial real estate | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	815,799
2019	376,911
2018	361,539
2017	277,769
2016	206,068
Prior	198,080
Revolvers	28,542
Revolvers converted to term loans	12,128
Total	2,276,836
Commercial | Income producing commercial real estate | Watch
Financing Receivable, Credit Quality Indicator [Line Items]
2020	35,471
2019	42,831
2018	39,954
2017	13,238
2016	24,164
Prior	11,337
Revolvers	0
Revolvers converted to term loans	1,681
Total	168,676
Commercial | Income producing commercial real estate | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	45,125
2019	8,940
2018	2,179
2017	5,034
2016	31,211
Prior	2,652
Revolvers	0
Revolvers converted to term loans	97
Total	95,238
Commercial | Commercial & industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,092,767
2019	287,857
2018	263,439
2017	115,790
2016	92,968
Prior	58,359
Revolvers	515,593
Revolvers converted to term loans	3,777
Total	2,430,550
Commercial | Commercial & industrial | Watch
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,451
2019	16,315
2018	2,176
2017	630
2016	459
Prior	17
Revolvers	6,464
Revolvers converted to term loans	0
Total	27,512
Commercial | Commercial & industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,545
2019	5,536
2018	6,193
2017	1,684
2016	1,292
Prior	1,485
Revolvers	22,170
Revolvers converted to term loans	593
Total	40,498
Commercial | Construction | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	314,154
2019	217,643
2018	226,308
2017	53,708
2016	30,812
Prior	21,985
Revolvers	20,278
Revolvers converted to term loans	3,947
Total	888,835
Commercial | Construction | Watch
Financing Receivable, Credit Quality Indicator [Line Items]
2020	21,366
2019	272
2018	816
2017	23,292
2016	11,775
Prior	477
Revolvers	0
Revolvers converted to term loans	0
Total	57,998
Commercial | Construction | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	2,466
2019	735
2018	13,741
2017	340
2016	1,931
Prior	250
Revolvers	0
Revolvers converted to term loans	1,009
Total	20,472
Commercial | Equipment financing | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	413,653
2019	270,664
2018	125,869
2017	39,982
2016	9,404
Prior	445
Revolvers	0
Revolvers converted to term loans	0
Total	860,017
Commercial | Equipment financing | Watch
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolvers	0
Revolvers converted to term loans	0
Total	0
Commercial | Equipment financing | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	631
2019	1,392
2018	1,371
2017	306
2016	96
Prior	17
Revolvers	0
Revolvers converted to term loans	0
Total	3,813
Residential | Construction | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	225,727
2019	30,646
2018	4,026
2017	4,544
2016	3,172
Prior	12,546
Revolvers	0
Revolvers converted to term loans	64
Total	280,725
Residential | Construction | Watch
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolvers	0
Revolvers converted to term loans	0
Total	0
Residential | Construction | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	106
2019	37
2018	54
2017	4
2016	124
Prior	380
Revolvers	0
Revolvers converted to term loans	0
Total	705
Residential | Residential mortgage | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	468,945
2019	195,213
2018	125,492
2017	120,944
2016	122,013
Prior	230,771
Revolvers	18
Revolvers converted to term loans	5,393
Total	1,268,789
Residential | Residential mortgage | Watch
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolvers	0
Revolvers converted to term loans	0
Total	0
Residential | Residential mortgage | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	2,049
2019	2,106
2018	3,174
2017	1,369
2016	679
Prior	5,860
Revolvers	0
Revolvers converted to term loans	894
Total	16,131
Residential | Home equity lines of credit | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolvers	675,878
Revolvers converted to term loans	17,581
Total	693,459
Residential | Home equity lines of credit | Watch
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolvers	0
Revolvers converted to term loans	0
Total	0
Residential | Home equity lines of credit | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolvers	265
Revolvers converted to term loans	3,393
Total	3,658
Consumer | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	54,997
2019	25,528
2018	14,206
2017	4,531
2016	3,595
Prior	1,677
Revolvers	41,445
Revolvers converted to term loans	76
Total	146,055
Consumer | Watch
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolvers	0
Revolvers converted to term loans	0
Total	0
Consumer | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	97
2018	49
2017	60
2016	78
Prior	98
Revolvers	0
Revolvers converted to term loans	23
Total	$ 405

XML

Loans and Leases and Allowance for Credit Losses - Risk category of loans by class of loans (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Risk category of loans by class of loans
PCI Loans		$ 58,646
Total loans	$ 11,370,815	8,812,553
Pass
Risk category of loans by class of loans
Total loans	10,846,850	8,558,459
Watch
Risk category of loans by class of loans
Total loans	297,245	93,703
Substandard
Risk category of loans by class of loans
Total loans	226,720	160,391
Doubtful / Loss
Risk category of loans by class of loans
Total loans		0
Commercial | Pass
Risk category of loans by class of loans
Total loans	8,457,822
Commercial | Watch
Risk category of loans by class of loans
Total loans	297,245
Commercial | Substandard
Risk category of loans by class of loans
Total loans	205,821
Commercial | Owner occupied commercial real estate | Pass
Risk category of loans by class of loans
Total loans	2,001,584
Commercial | Owner occupied commercial real estate | Watch
Risk category of loans by class of loans
Total loans	43,059
Commercial | Owner occupied commercial real estate | Substandard
Risk category of loans by class of loans
Total loans	45,800
Commercial | Income producing commercial real estate | Pass
Risk category of loans by class of loans
Total loans	2,276,836
Commercial | Income producing commercial real estate | Watch
Risk category of loans by class of loans
Total loans	168,676
Commercial | Income producing commercial real estate | Substandard
Risk category of loans by class of loans
Total loans	95,238
Commercial | Commercial & industrial | Pass
Risk category of loans by class of loans
Total loans	2,430,550
Commercial | Commercial & industrial | Watch
Risk category of loans by class of loans
Total loans	27,512
Commercial | Commercial & industrial | Substandard
Risk category of loans by class of loans
Total loans	40,498
Commercial | Construction | Pass
Risk category of loans by class of loans
Total loans	888,835
Commercial | Construction | Watch
Risk category of loans by class of loans
Total loans	57,998
Commercial | Construction | Substandard
Risk category of loans by class of loans
Total loans	20,472
Commercial | Equipment financing | Pass
Risk category of loans by class of loans
Total loans	860,017
Commercial | Equipment financing | Watch
Risk category of loans by class of loans
Total loans	0
Commercial | Equipment financing | Substandard
Risk category of loans by class of loans
Total loans	3,813
Residential | Construction | Pass
Risk category of loans by class of loans
Total loans	280,725
Residential | Construction | Watch
Risk category of loans by class of loans
Total loans	0
Residential | Construction | Substandard
Risk category of loans by class of loans
Total loans	705
Residential | Residential mortgage | Pass
Risk category of loans by class of loans
Total loans	1,268,789
Residential | Residential mortgage | Watch
Risk category of loans by class of loans
Total loans	0
Residential | Residential mortgage | Substandard
Risk category of loans by class of loans
Total loans	16,131
Residential | Home equity lines of credit | Pass
Risk category of loans by class of loans
Total loans	693,459
Residential | Home equity lines of credit | Watch
Risk category of loans by class of loans
Total loans	0
Residential | Home equity lines of credit | Substandard
Risk category of loans by class of loans
Total loans	3,658
Consumer | Pass
Risk category of loans by class of loans
Total loans	146,055
Consumer | Watch
Risk category of loans by class of loans
Total loans	0
Consumer | Substandard
Risk category of loans by class of loans
Total loans	405
Loans receivable
Risk category of loans by class of loans
Total loans, excluding PCI loans		8,753,907
PCI Loans		58,646
Total loans	11,370,815	8,812,553
Loans receivable | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans		8,517,776
PCI Loans		40,683
Loans receivable | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans		83,930
PCI Loans		9,773
Loans receivable | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans		152,201
PCI Loans		8,190
Loans receivable | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans		0
PCI Loans		0
Loans receivable | Commercial
Risk category of loans by class of loans
Total loans, excluding PCI loans		6,622,646
PCI Loans		46,947
Total loans	8,960,888	6,669,593
Loans receivable | Commercial | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans		6,406,957
PCI Loans		30,570
Loans receivable | Commercial | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans		83,922
PCI Loans		9,773
Loans receivable | Commercial | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans		131,767
PCI Loans		6,604
Loans receivable | Commercial | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans		0
PCI Loans		0
Loans receivable | Commercial | Owner occupied commercial real estate
Risk category of loans by class of loans
Total loans, excluding PCI loans		1,711,681
PCI Loans		8,546
Total loans	2,090,443	1,720,227
Loans receivable | Commercial | Owner occupied commercial real estate | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans		1,638,398
PCI Loans		3,238
Loans receivable | Commercial | Owner occupied commercial real estate | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans		24,563
PCI Loans		2,797
Loans receivable | Commercial | Owner occupied commercial real estate | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans		48,720
PCI Loans		2,511
Loans receivable | Commercial | Owner occupied commercial real estate | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans		0
PCI Loans		0
Loans receivable | Commercial | Income producing commercial real estate
Risk category of loans by class of loans
Total loans, excluding PCI loans		1,980,722
PCI Loans		27,228
Total loans	2,540,750	2,007,950
Loans receivable | Commercial | Income producing commercial real estate | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans		1,914,524
PCI Loans		19,648
Loans receivable | Commercial | Income producing commercial real estate | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans		40,676
PCI Loans		6,305
Loans receivable | Commercial | Income producing commercial real estate | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans		25,522
PCI Loans		1,275
Loans receivable | Commercial | Income producing commercial real estate | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans		0
PCI Loans		0
Loans receivable | Commercial | Commercial & industrial
Risk category of loans by class of loans
Total loans, excluding PCI loans		1,220,331
PCI Loans		326
Total loans	2,498,560	1,220,657
Loans receivable | Commercial | Commercial & industrial | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans		1,156,366
PCI Loans		104
Loans receivable | Commercial | Commercial & industrial | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans		16,385
PCI Loans		81
Loans receivable | Commercial | Commercial & industrial | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans		47,580
PCI Loans		141
Loans receivable | Commercial | Commercial & industrial | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans		0
PCI Loans		0
Loans receivable | Commercial | Construction
Risk category of loans by class of loans
Total loans, excluding PCI loans		969,353
PCI Loans		6,862
Total loans	967,305	976,215
Loans receivable | Commercial | Construction | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans		960,251
PCI Loans		3,628
Loans receivable | Commercial | Construction | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans		2,298
PCI Loans		590
Loans receivable | Commercial | Construction | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans		6,804
PCI Loans		2,644
Loans receivable | Commercial | Construction | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans		0
PCI Loans		0
Loans receivable | Commercial | Equipment financing
Risk category of loans by class of loans
Total loans, excluding PCI loans		740,559
PCI Loans		3,985
Total loans	863,830	744,544
Loans receivable | Commercial | Equipment financing | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans		737,418
PCI Loans		3,952
Loans receivable | Commercial | Equipment financing | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans		0
PCI Loans		0
Loans receivable | Commercial | Equipment financing | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans		3,141
PCI Loans		33
Loans receivable | Commercial | Equipment financing | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans		0
PCI Loans		0
Loans receivable | Residential | Construction
Risk category of loans by class of loans
Total loans, excluding PCI loans		236,063
PCI Loans		374
Total loans	281,430	236,437
Loans receivable | Residential | Construction | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans		234,791
PCI Loans		348
Loans receivable | Residential | Construction | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans		0
PCI Loans		0
Loans receivable | Residential | Construction | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans		1,272
PCI Loans		26
Loans receivable | Residential | Construction | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans		0
PCI Loans		0
Loans receivable | Residential | Residential mortgage
Risk category of loans by class of loans
Total loans, excluding PCI loans		1,108,037
PCI Loans		9,579
Total loans	1,284,920	1,117,616
Loans receivable | Residential | Residential mortgage | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans		1,093,902
PCI Loans		8,112
Loans receivable | Residential | Residential mortgage | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans		0
PCI Loans		0
Loans receivable | Residential | Residential mortgage | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans		14,135
PCI Loans		1,467
Loans receivable | Residential | Residential mortgage | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans		0
PCI Loans		0
Loans receivable | Residential | Home equity lines of credit
Risk category of loans by class of loans
Total loans, excluding PCI loans		659,265
PCI Loans		1,410
Total loans	697,117	660,675
Loans receivable | Residential | Home equity lines of credit | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans		654,619
PCI Loans		1,350
Loans receivable | Residential | Home equity lines of credit | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans		0
PCI Loans		0
Loans receivable | Residential | Home equity lines of credit | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans		4,646
PCI Loans		60
Loans receivable | Residential | Home equity lines of credit | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans		0
PCI Loans		0
Loans receivable | Consumer
Risk category of loans by class of loans
Total loans, excluding PCI loans		127,896
PCI Loans		336
Total loans	$ 146,460	128,232
Loans receivable | Consumer | Pass
Risk category of loans by class of loans
Total loans, excluding PCI loans		127,507
PCI Loans		303
Loans receivable | Consumer | Watch
Risk category of loans by class of loans
Total loans, excluding PCI loans		8
PCI Loans		0
Loans receivable | Consumer | Substandard
Risk category of loans by class of loans
Total loans, excluding PCI loans		381
PCI Loans		33
Loans receivable | Consumer | Doubtful / Loss
Risk category of loans by class of loans
Total loans, excluding PCI loans		0
PCI Loans		$ 0

XML

Loans and Leases and Allowance for Credit Losses - Changes in the value of the accretable yield for PCI loans (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Changes in balance of accretable yield for PCI loans
Balance at beginning of period	$ 26,868
Additions due to acquisitions	1,300
Accretion	(17,885)
Reclassification from nonaccretable difference	9,237
Changes in expected cash flows that do not affect nonaccretable difference	4,400
Balance at end of period	$ 23,920

XML

Loans and Leases and Allowance for Credit Losses - Loans modified under terms of TDR (Details) - Loans receivable $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) contract	Dec. 31, 2019 USD ($) contract	Dec. 31, 2018 USD ($) contract
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract	252	55	64
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 25,932	$ 14,340	$ 7,798
TDRs Modified Within the Year That Have Subsequently Defaulted, Number of Contracts | contract	30	2	6
TDRs Modified Within the Year That Have Subsequently Defaulted, Recorded Investment	$ 7,969	$ 148	$ 2,205
Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0	236
Structure
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	17,585	14,005	6,858
Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 8,347	$ 335	$ 704
Indirect auto
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract		15	35
Post-Modification Outstanding Recorded Investment by Type of Modification		$ 262	$ 643
TDRs Modified Within the Year That Have Subsequently Defaulted, Number of Contracts | contract		0	0
TDRs Modified Within the Year That Have Subsequently Defaulted, Recorded Investment		$ 0	$ 0
Indirect auto | Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification		0	0
Indirect auto | Structure
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification		0	0
Indirect auto | Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification		$ 262	$ 643
Commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract	198	18	9
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 21,248	$ 11,905	$ 5,162
TDRs Modified Within the Year That Have Subsequently Defaulted, Number of Contracts | contract	26	0	5
TDRs Modified Within the Year That Have Subsequently Defaulted, Recorded Investment	$ 7,761	$ 0	$ 2,104
Commercial | Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0	106
Commercial | Structure
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	12,928	11,898	5,056
Commercial | Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 8,320	$ 7	$ 0
Commercial | Owner occupied commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract	8	4	5
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 2,369	$ 1,739	$ 1,387
TDRs Modified Within the Year That Have Subsequently Defaulted, Number of Contracts | contract	0	0	3
TDRs Modified Within the Year That Have Subsequently Defaulted, Recorded Investment	$ 0	$ 0	$ 1,869
Commercial | Owner occupied commercial real estate | Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0	0
Commercial | Owner occupied commercial real estate | Structure
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	833	1,739	1,387
Commercial | Owner occupied commercial real estate | Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 1,536	$ 0	$ 0
Commercial | Income producing commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract	7	3	2
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 11,555	$ 9,013	$ 3,743
TDRs Modified Within the Year That Have Subsequently Defaulted, Number of Contracts | contract	1	0	0
TDRs Modified Within the Year That Have Subsequently Defaulted, Recorded Investment	$ 5,998	$ 0	$ 0
Commercial | Income producing commercial real estate | Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0	106
Commercial | Income producing commercial real estate | Structure
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	4,856	9,013	3,637
Commercial | Income producing commercial real estate | Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 6,699	$ 0	$ 0
Commercial | Commercial & industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract	4	2	2
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 601	$ 82	$ 32
TDRs Modified Within the Year That Have Subsequently Defaulted, Number of Contracts | contract	3	0	1
TDRs Modified Within the Year That Have Subsequently Defaulted, Recorded Investment	$ 819	$ 0	$ 232
Commercial | Commercial & industrial | Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0	0
Commercial | Commercial & industrial | Structure
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	586	75	32
Commercial | Commercial & industrial | Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 15	$ 7	$ 0
Commercial | Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract	7	0	0
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 902	$ 0	$ 0
TDRs Modified Within the Year That Have Subsequently Defaulted, Number of Contracts | contract	0	0	1
TDRs Modified Within the Year That Have Subsequently Defaulted, Recorded Investment	$ 0	$ 0	$ 3
Commercial | Construction | Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0	0
Commercial | Construction | Structure
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	832	0	0
Commercial | Construction | Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 70	$ 0	$ 0
Commercial | Equipment financing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract	172	9	0
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 5,821	$ 1,071	$ 0
TDRs Modified Within the Year That Have Subsequently Defaulted, Number of Contracts | contract	22	0	0
TDRs Modified Within the Year That Have Subsequently Defaulted, Recorded Investment	$ 944	$ 0	$ 0
Commercial | Equipment financing | Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0	0
Commercial | Equipment financing | Structure
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	5,821	1,071	0
Commercial | Equipment financing | Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification		$ 0	$ 0
Residential | Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract	3	1	2
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 123	$ 21	$ 45
TDRs Modified Within the Year That Have Subsequently Defaulted, Number of Contracts | contract	0	1	0
TDRs Modified Within the Year That Have Subsequently Defaulted, Recorded Investment	$ 0	$ 13	$ 0
Residential | Construction | Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0	0
Residential | Construction | Structure
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	123	0	32
Residential | Construction | Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 0	$ 21	$ 13
Residential | Residential mortgage
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract	40	15	15
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 4,362	$ 2,057	$ 1,900
TDRs Modified Within the Year That Have Subsequently Defaulted, Number of Contracts | contract	2	1	1
TDRs Modified Within the Year That Have Subsequently Defaulted, Recorded Investment	$ 145	$ 135	$ 101
Residential | Residential mortgage | Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0	130
Residential | Residential mortgage | Structure
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	4,359	2,057	1,770
Residential | Residential mortgage | Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 3	$ 0	$ 0
Residential | Home equity lines of credit
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract	4	1	1
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 164	$ 50	$ 41
TDRs Modified Within the Year That Have Subsequently Defaulted, Number of Contracts | contract	1	0	0
TDRs Modified Within the Year That Have Subsequently Defaulted, Recorded Investment	$ 60	$ 0	$ 0
Residential | Home equity lines of credit | Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0	0
Residential | Home equity lines of credit | Structure
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	164	50	0
Residential | Home equity lines of credit | Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 0	$ 0	$ 41
Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | contract	7	5	2
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 35	$ 45	$ 7
TDRs Modified Within the Year That Have Subsequently Defaulted, Number of Contracts | contract	1	0	0
TDRs Modified Within the Year That Have Subsequently Defaulted, Recorded Investment	$ 3	$ 0	$ 0
Consumer | Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	0	0	0
Consumer | Structure
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	11	0	0
Consumer | Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment by Type of Modification	$ 24	$ 45	$ 7

XML

Loans and Leases and Allowance for Credit Losses - Balance and activity in the ACL by portfolio segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	$ 62,089	$ 61,203	$ 58,914
Allowance for credit losses - loans, Initial ACL - PCD loans	11,152
Allowance for credit losses - loans, Charge-Offs	(32,394)	(18,017)	(13,158)
Allowance for credit losses - loans, Recoveries	14,078	5,801	7,045
Allowance for credit losses - loans, (Release) Provision	75,205	13,102	8,402
Allowance for credit losses - loans, Ending Balance	137,010	62,089	61,203
Allowance for unfunded commitments, Beginning Balance	3,458	3,410	2,312
Allowance for unfunded commitments, (Release) Provision	5,229	48	1,098
Allowance for unfunded commitments, Ending Balance	10,558	3,458	3,410
Total allowance for credit losses, Beginning Balance	65,547	64,613	61,226
Total allowance for credit losses, Initial ACL - PCD loans	11,152
Total allowance for credit losses, Charge-Offs	(32,394)	(18,017)	(13,158)
Total allowance for credit losses, Recoveries	14,078	5,801	7,045
Total allowance for credit losses, (Release) Provision	80,434	13,150	9,500
Total allowance for credit losses, Ending Balance	147,568	65,547	64,613
Adoption of CECL
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	6,880
Allowance for credit losses - loans, Ending Balance		6,880
Allowance for unfunded commitments, Beginning Balance	1,871
Allowance for unfunded commitments, Ending Balance		1,871
Total allowance for credit losses, Beginning Balance	8,751
Total allowance for credit losses, Ending Balance		8,751
Adjusted Balance
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	68,969
Allowance for credit losses - loans, Ending Balance		68,969
Allowance for unfunded commitments, Beginning Balance	5,329
Allowance for unfunded commitments, Ending Balance		5,329
Total allowance for credit losses, Beginning Balance	74,298
Total allowance for credit losses, Ending Balance		74,298
Loans receivable | Indirect auto
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	0	999	1,550
Allowance for credit losses - loans, Charge-Offs		(663)	(1,277)
Allowance for credit losses - loans, Recoveries		186	228
Allowance for credit losses - loans, (Release) Provision		(522)	498
Allowance for credit losses - loans, Ending Balance		0	999
Loans receivable | Commercial | Owner occupied commercial real estate
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	11,404	12,207	14,776
Allowance for credit losses - loans, Initial ACL - PCD loans	1,779
Allowance for credit losses - loans, Charge-Offs	(70)	(5)	(303)
Allowance for credit losses - loans, Recoveries	2,565	375	1,227
Allowance for credit losses - loans, (Release) Provision	6,611	(1,173)	(3,493)
Allowance for credit losses - loans, Ending Balance	20,673	11,404	12,207
Loans receivable | Commercial | Owner occupied commercial real estate | Adoption of CECL
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	(1,616)
Allowance for credit losses - loans, Ending Balance		(1,616)
Loans receivable | Commercial | Owner occupied commercial real estate | Adjusted Balance
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	9,788
Allowance for credit losses - loans, Ending Balance		9,788
Loans receivable | Commercial | Income producing commercial real estate
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	12,306	11,073	9,381
Allowance for credit losses - loans, Initial ACL - PCD loans	1,208
Allowance for credit losses - loans, Charge-Offs	(8,430)	(1,227)	(3,304)
Allowance for credit losses - loans, Recoveries	3,546	283	1,064
Allowance for credit losses - loans, (Release) Provision	33,137	2,177	3,932
Allowance for credit losses - loans, Ending Balance	41,737	12,306	11,073
Loans receivable | Commercial | Income producing commercial real estate | Adoption of CECL
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	(30)
Allowance for credit losses - loans, Ending Balance		(30)
Loans receivable | Commercial | Income producing commercial real estate | Adjusted Balance
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	12,276
Allowance for credit losses - loans, Ending Balance		12,276
Loans receivable | Commercial | Commercial & industrial
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	5,266	4,802	3,971
Allowance for credit losses - loans, Initial ACL - PCD loans	7,680
Allowance for credit losses - loans, Charge-Offs	(10,707)	(5,849)	(1,669)
Allowance for credit losses - loans, Recoveries	1,371	852	1,390
Allowance for credit losses - loans, (Release) Provision	14,397	5,461	1,110
Allowance for credit losses - loans, Ending Balance	22,019	5,266	4,802
Loans receivable | Commercial | Commercial & industrial | Adoption of CECL
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	4,012
Allowance for credit losses - loans, Ending Balance		4,012
Loans receivable | Commercial | Commercial & industrial | Adjusted Balance
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	9,278
Allowance for credit losses - loans, Ending Balance		9,278
Loans receivable | Commercial | Construction
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	9,668	10,337	10,523
Allowance for credit losses - loans, Initial ACL - PCD loans	74
Allowance for credit losses - loans, Charge-Offs	(726)	(290)	(622)
Allowance for credit losses - loans, Recoveries	1,045	1,165	734
Allowance for credit losses - loans, (Release) Provision	3,474	(1,544)	(298)
Allowance for credit losses - loans, Ending Balance	10,952	9,668	10,337
Loans receivable | Commercial | Construction | Adoption of CECL
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	(2,583)
Allowance for credit losses - loans, Ending Balance		(2,583)
Loans receivable | Commercial | Construction | Adjusted Balance
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	7,085
Allowance for credit losses - loans, Ending Balance		7,085
Loans receivable | Commercial | Equipment financing
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	7,384	5,452	0
Allowance for credit losses - loans, Initial ACL - PCD loans	0
Allowance for credit losses - loans, Charge-Offs	(8,764)	(5,675)	(1,536)
Allowance for credit losses - loans, Recoveries	2,004	781	460
Allowance for credit losses - loans, (Release) Provision	10,325	6,826	6,528
Allowance for credit losses - loans, Ending Balance	16,820	7,384	5,452
Loans receivable | Commercial | Equipment financing | Adoption of CECL
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	5,871
Allowance for credit losses - loans, Ending Balance		5,871
Loans receivable | Commercial | Equipment financing | Adjusted Balance
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	13,255
Allowance for credit losses - loans, Ending Balance		13,255
Loans receivable | Residential | Construction
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	2,504	2,433	2,729
Allowance for credit losses - loans, Initial ACL - PCD loans	0
Allowance for credit losses - loans, Charge-Offs	(93)	(306)	(54)
Allowance for credit losses - loans, Recoveries	156	157	376
Allowance for credit losses - loans, (Release) Provision	(32)	220	(618)
Allowance for credit losses - loans, Ending Balance	764	2,504	2,433
Loans receivable | Residential | Construction | Adoption of CECL
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	(1,771)
Allowance for credit losses - loans, Ending Balance		(1,771)
Loans receivable | Residential | Construction | Adjusted Balance
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	733
Allowance for credit losses - loans, Ending Balance		733
Loans receivable | Residential | Residential mortgage
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	8,081	8,295	10,097
Allowance for credit losses - loans, Initial ACL - PCD loans	195
Allowance for credit losses - loans, Charge-Offs	(398)	(616)	(754)
Allowance for credit losses - loans, Recoveries	455	481	336
Allowance for credit losses - loans, (Release) Provision	5,439	(79)	(1,384)
Allowance for credit losses - loans, Ending Balance	15,341	8,081	8,295
Loans receivable | Residential | Residential mortgage | Adoption of CECL
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	1,569
Allowance for credit losses - loans, Ending Balance		1,569
Loans receivable | Residential | Residential mortgage | Adjusted Balance
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	9,650
Allowance for credit losses - loans, Ending Balance		9,650
Loans receivable | Residential | Home equity lines of credit
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	4,575	4,752	5,177
Allowance for credit losses - loans, Initial ACL - PCD loans	209
Allowance for credit losses - loans, Charge-Offs	(221)	(996)	(1,194)
Allowance for credit losses - loans, Recoveries	677	610	423
Allowance for credit losses - loans, (Release) Provision	1,258	209	346
Allowance for credit losses - loans, Ending Balance	8,417	4,575	4,752
Loans receivable | Residential | Home equity lines of credit | Adoption of CECL
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	1,919
Allowance for credit losses - loans, Ending Balance		1,919
Loans receivable | Residential | Home equity lines of credit | Adjusted Balance
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	6,494
Allowance for credit losses - loans, Ending Balance		6,494
Loans receivable | Consumer
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	901	853	710
Allowance for credit losses - loans, Initial ACL - PCD loans	7
Allowance for credit losses - loans, Charge-Offs	(2,985)	(2,390)	(2,445)
Allowance for credit losses - loans, Recoveries	2,259	911	807
Allowance for credit losses - loans, (Release) Provision	596	1,527	1,781
Allowance for credit losses - loans, Ending Balance	287	901	$ 853
Loans receivable | Consumer | Adoption of CECL
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	(491)
Allowance for credit losses - loans, Ending Balance		(491)
Loans receivable | Consumer | Adjusted Balance
Allowance for Credit Loss
Allowance for credit losses - loans, Beginning Balance	$ 410
Allowance for credit losses - loans, Ending Balance		$ 410

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Loans and Leases and Allowance for Credit Losses - Recorded investment in loans by portfolio segment and the balance of the ACL (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans Outstanding, Individually evaluated for impairment		$ 61,971
Loans Outstanding, Collectively evaluated for impairment		8,691,936
PCI Loans		58,646
Total	$ 11,370,815	8,812,553
Allowance for Credit Losses, Individually evaluated for impairment		2,512
Allowance for Credit Losses, Collectively evaluated for impairment		59,214
Allowance for Credit Losses, PCI		363
Allowance for Credit Losses, Ending balance	137,010	62,089	$ 61,203	$ 58,914
ACL - unfunded commitments, Individually evaluated for impairment		0
ACL - unfunded commitments, Collectively evaluated for impairment		3,458
ACL - unfunded commitments, Ending Balance	10,558	3,458	3,410	2,312
Total ACL, Individually evaluated for impairment		2,512
Total ACL, Collectively evaluated for impairment		62,672
Total ACL, PCI		363
Total ACL, Ending Balance	147,568	65,547	64,613	61,226
Loans receivable
Financing Receivable, Allowance for Credit Loss [Line Items]
PCI Loans		58,646
Total	11,370,815	8,812,553
Loans receivable | Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
PCI Loans		46,947
Total	8,960,888	6,669,593
Loans receivable | Commercial | Owner occupied commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans Outstanding, Individually evaluated for impairment		19,233
Loans Outstanding, Collectively evaluated for impairment		1,692,448
PCI Loans		8,546
Total	2,090,443	1,720,227
Allowance for Credit Losses, Individually evaluated for impairment		816
Allowance for Credit Losses, Collectively evaluated for impairment		10,483
Allowance for Credit Losses, PCI		105
Allowance for Credit Losses, Ending balance	20,673	11,404	12,207	14,776
Loans receivable | Commercial | Income producing commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans Outstanding, Individually evaluated for impairment		18,134
Loans Outstanding, Collectively evaluated for impairment		1,962,588
PCI Loans		27,228
Total	2,540,750	2,007,950
Allowance for Credit Losses, Individually evaluated for impairment		770
Allowance for Credit Losses, Collectively evaluated for impairment		11,507
Allowance for Credit Losses, PCI		29
Allowance for Credit Losses, Ending balance	41,737	12,306	11,073	9,381
Loans receivable | Commercial | Commercial & industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans Outstanding, Individually evaluated for impairment		1,449
Loans Outstanding, Collectively evaluated for impairment		1,218,882
PCI Loans		326
Total	2,498,560	1,220,657
Allowance for Credit Losses, Individually evaluated for impairment		21
Allowance for Credit Losses, Collectively evaluated for impairment		5,193
Allowance for Credit Losses, PCI		52
Allowance for Credit Losses, Ending balance	22,019	5,266	4,802	3,971
Loans receivable | Commercial | Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans Outstanding, Individually evaluated for impairment		3,675
Loans Outstanding, Collectively evaluated for impairment		965,678
PCI Loans		6,862
Total	967,305	976,215
Allowance for Credit Losses, Individually evaluated for impairment		55
Allowance for Credit Losses, Collectively evaluated for impairment		9,613
Allowance for Credit Losses, PCI		0
Allowance for Credit Losses, Ending balance	10,952	9,668	10,337	10,523
Loans receivable | Commercial | Equipment financing
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans Outstanding, Individually evaluated for impairment		1,027
Loans Outstanding, Collectively evaluated for impairment		739,532
PCI Loans		3,985
Total	863,830	744,544
Allowance for Credit Losses, Individually evaluated for impairment		0
Allowance for Credit Losses, Collectively evaluated for impairment		7,240
Allowance for Credit Losses, PCI		144
Allowance for Credit Losses, Ending balance	16,820	7,384	5,452	0
Loans receivable | Residential | Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans Outstanding, Individually evaluated for impairment		1,256
Loans Outstanding, Collectively evaluated for impairment		234,807
PCI Loans		374
Total	281,430	236,437
Allowance for Credit Losses, Individually evaluated for impairment		47
Allowance for Credit Losses, Collectively evaluated for impairment		2,456
Allowance for Credit Losses, PCI		1
Allowance for Credit Losses, Ending balance	764	2,504	2,433	2,729
Loans receivable | Residential | Residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans Outstanding, Individually evaluated for impairment		15,991
Loans Outstanding, Collectively evaluated for impairment		1,092,046
PCI Loans		9,579
Total	1,284,920	1,117,616
Allowance for Credit Losses, Individually evaluated for impairment		782
Allowance for Credit Losses, Collectively evaluated for impairment		7,296
Allowance for Credit Losses, PCI		3
Allowance for Credit Losses, Ending balance	15,341	8,081	8,295	10,097
Loans receivable | Residential | Home equity lines of credit
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans Outstanding, Individually evaluated for impairment		992
Loans Outstanding, Collectively evaluated for impairment		658,273
PCI Loans		1,410
Total	697,117	660,675
Allowance for Credit Losses, Individually evaluated for impairment		16
Allowance for Credit Losses, Collectively evaluated for impairment		4,541
Allowance for Credit Losses, PCI		18
Allowance for Credit Losses, Ending balance	8,417	4,575	4,752	5,177
Loans receivable | Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans Outstanding, Individually evaluated for impairment		214
Loans Outstanding, Collectively evaluated for impairment		127,682
PCI Loans		336
Total	146,460	128,232
Allowance for Credit Losses, Individually evaluated for impairment		5
Allowance for Credit Losses, Collectively evaluated for impairment		885
Allowance for Credit Losses, PCI		11
Allowance for Credit Losses, Ending balance	$ 287	$ 901	$ 853	$ 710

XML

Loans and Leases and Allowance for Credit Losses - Loans individually evaluated for impairment by class of loans (Details) - Loans receivable $ in Thousands	Dec. 31, 2019 USD ($)
Unpaid Principal Balance
Unpaid Principal Balance, With no related ACL recorded	$ 28,590
Unpaid Principal Balance, With an ACL recorded	37,395
Unpaid Principal Balance	65,985
Recorded Investment
Recorded Investment, With no related ACL recorded	25,107
Recorded Investment, With an ACL recorded	36,864
Recorded Investment	61,971
ACL Allocated	2,512
Commercial
Unpaid Principal Balance
Unpaid Principal Balance, With no related ACL recorded	19,315
Unpaid Principal Balance, With an ACL recorded	26,821
Recorded Investment
Recorded Investment, With no related ACL recorded	17,131
Recorded Investment, With an ACL recorded	26,387
ACL Allocated	1,662
Commercial | Owner occupied commercial real estate
Unpaid Principal Balance
Unpaid Principal Balance, With no related ACL recorded	9,527
Unpaid Principal Balance, With an ACL recorded	11,136
Recorded Investment
Recorded Investment, With no related ACL recorded	8,118
Recorded Investment, With an ACL recorded	11,115
ACL Allocated	816
Commercial | Income producing commercial real estate
Unpaid Principal Balance
Unpaid Principal Balance, With no related ACL recorded	5,159
Unpaid Principal Balance, With an ACL recorded	13,591
Recorded Investment
Recorded Investment, With no related ACL recorded	4,956
Recorded Investment, With an ACL recorded	13,178
ACL Allocated	770
Commercial | Commercial & industrial
Unpaid Principal Balance
Unpaid Principal Balance, With no related ACL recorded	1,144
Unpaid Principal Balance, With an ACL recorded	559
Recorded Investment
Recorded Investment, With no related ACL recorded	890
Recorded Investment, With an ACL recorded	559
ACL Allocated	21
Commercial | Construction Loans
Unpaid Principal Balance
Unpaid Principal Balance, With no related ACL recorded	2,458
Unpaid Principal Balance, With an ACL recorded	1,535
Recorded Investment
Recorded Investment, With no related ACL recorded	2,140
Recorded Investment, With an ACL recorded	1,535
ACL Allocated	55
Commercial | Equipment financing
Unpaid Principal Balance
Unpaid Principal Balance, With no related ACL recorded	1,027
Unpaid Principal Balance, With an ACL recorded	0
Recorded Investment
Recorded Investment, With no related ACL recorded	1,027
Recorded Investment, With an ACL recorded	0
ACL Allocated	0
Residential | Construction Loans
Unpaid Principal Balance
Unpaid Principal Balance, With no related ACL recorded	731
Unpaid Principal Balance, With an ACL recorded	643
Recorded Investment
Recorded Investment, With no related ACL recorded	626
Recorded Investment, With an ACL recorded	630
ACL Allocated	47
Residential | Residential mortgage
Unpaid Principal Balance
Unpaid Principal Balance, With no related ACL recorded	7,362
Unpaid Principal Balance, With an ACL recorded	9,624
Recorded Investment
Recorded Investment, With no related ACL recorded	6,436
Recorded Investment, With an ACL recorded	9,555
ACL Allocated	782
Residential | Home equity lines of credit
Unpaid Principal Balance
Unpaid Principal Balance, With no related ACL recorded	1,116
Unpaid Principal Balance, With an ACL recorded	146
Recorded Investment
Recorded Investment, With no related ACL recorded	861
Recorded Investment, With an ACL recorded	131
ACL Allocated	16
Consumer
Unpaid Principal Balance
Unpaid Principal Balance, With no related ACL recorded	66
Unpaid Principal Balance, With an ACL recorded	161
Recorded Investment
Recorded Investment, With no related ACL recorded	53
Recorded Investment, With an ACL recorded	161
ACL Allocated	$ 5

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Loans and Leases and Allowance for Credit Losses - Average balances of impaired loans and income recognized on impaired loans (Details) - Loans receivable - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Average balances of impaired loans and income recognized on impaired loans
Average Balance	$ 57,223	$ 59,748
Interest Revenue Recognized During Impairment	3,018	3,084
Cash Basis Interest Revenue Received	3,093	3,124
Indirect auto
Average balances of impaired loans and income recognized on impaired loans
Average Balance	1,028	1,252
Interest Revenue Recognized During Impairment	50	64
Cash Basis Interest Revenue Received	50	64
Commercial
Average balances of impaired loans and income recognized on impaired loans
Average Balance	38,057	42,043
Interest Revenue Recognized During Impairment	2,099	2,247
Cash Basis Interest Revenue Received	2,170	2,288
Commercial | Owner occupied commercial real estate
Average balances of impaired loans and income recognized on impaired loans
Average Balance	18,575	19,881
Interest Revenue Recognized During Impairment	1,124	1,078
Cash Basis Interest Revenue Received	1,171	1,119
Commercial | Income producing commercial real estate
Average balances of impaired loans and income recognized on impaired loans
Average Balance	14,253	17,138
Interest Revenue Recognized During Impairment	739	893
Cash Basis Interest Revenue Received	730	895
Commercial | Commercial & industrial
Average balances of impaired loans and income recognized on impaired loans
Average Balance	1,837	1,777
Interest Revenue Recognized During Impairment	84	100
Cash Basis Interest Revenue Received	100	100
Commercial | Construction
Average balances of impaired loans and income recognized on impaired loans
Average Balance	3,233	3,247
Interest Revenue Recognized During Impairment	129	176
Cash Basis Interest Revenue Received	146	174
Commercial | Equipment financing
Average balances of impaired loans and income recognized on impaired loans
Average Balance	159	0
Interest Revenue Recognized During Impairment	23	0
Cash Basis Interest Revenue Received	23	0
Residential | Construction
Average balances of impaired loans and income recognized on impaired loans
Average Balance	1,332	1,405
Interest Revenue Recognized During Impairment	92	96
Cash Basis Interest Revenue Received	94	95
Residential | Residential mortgage
Average balances of impaired loans and income recognized on impaired loans
Average Balance	16,115	14,515
Interest Revenue Recognized During Impairment	748	641
Cash Basis Interest Revenue Received	749	643
Residential | Home equity lines of credit
Average balances of impaired loans and income recognized on impaired loans
Average Balance	488	284
Interest Revenue Recognized During Impairment	14	18
Cash Basis Interest Revenue Received	15	16
Consumer
Average balances of impaired loans and income recognized on impaired loans
Average Balance	203	249
Interest Revenue Recognized During Impairment	15	18
Cash Basis Interest Revenue Received	$ 15	$ 18

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Premises and Equipment - Summary (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Premises and equipments
Premises and equipment, gross	$ 360,060	$ 351,477
Less accumulated depreciation	(141,571)	(135,501)
Premises and equipment, net	218,489	215,976
Land and land improvements
Premises and equipments
Premises and equipment, gross	82,816	81,150
Buildings and improvements
Premises and equipments
Premises and equipment, gross	173,497	170,629
Furniture and equipment
Premises and equipments
Premises and equipment, gross	96,157	97,997
Construction in progress
Premises and equipments
Premises and equipment, gross	$ 7,590	$ 1,701

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Premises and Equipment - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Abstract]
Depreciation expense	$ 15.6	$ 15.3	$ 14.2

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Derivatives and Hedging Activities - Fair value of derivative financial instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Derivatives, Fair Value [Line Items]
Notional Amount	$ 3,529,643
Derivative Assets
Total gross derivative instruments	86,666	$ 35,007
Less: Amounts subject to master netting agreements	(114)	(401)
Less: Cash collateral received/pledged	(3,200)	0
Net amount	83,352	34,606
Derivative Liabilities
Total gross derivative instruments	29,003	15,516
Less: Amounts subject to master netting agreements	(114)	(401)
Less: Cash collateral received/pledged	(27,092)	(14,933)
Net amount	1,797	182
Derivative assets
Derivative Assets
Total gross derivative instruments	86,666	35,007
Derivative liabilities
Derivative Liabilities
Total gross derivative instruments	29,003	15,516
Designated as hedging instrument
Derivatives, Fair Value [Line Items]
Notional Amount	140,000
Designated as hedging instrument | Cash flow hedge of subordinated debt
Derivatives, Fair Value [Line Items]
Notional Amount	100,000
Designated as hedging instrument | Cash flow hedge of trust preferred securities
Derivatives, Fair Value [Line Items]
Notional Amount	20,000
Designated as hedging instrument | Fair value hedge of brokered CDs
Derivatives, Fair Value [Line Items]
Notional Amount	20,000
Designated as hedging instrument | Derivative assets
Derivative Assets
Derivatives designated as hedging instruments	3,378	0
Designated as hedging instrument | Derivative assets | Cash flow hedge of subordinated debt
Derivative Assets
Cash flow hedge	3,378	0
Designated as hedging instrument | Derivative assets | Cash flow hedge of trust preferred securities
Derivative Assets
Cash flow hedge	0	0
Designated as hedging instrument | Derivative assets | Fair value hedge of brokered CDs
Derivative Assets
Fair value hedge	0	0
Designated as hedging instrument | Derivative liabilities
Derivative Liabilities
Derivatives designated as hedging instruments	0	880
Designated as hedging instrument | Derivative liabilities | Cash flow hedge of subordinated debt
Derivative Liabilities
Cash flow hedge	0	0
Designated as hedging instrument | Derivative liabilities | Cash flow hedge of trust preferred securities
Derivative Liabilities
Cash flow hedge	0	0
Designated as hedging instrument | Derivative liabilities | Fair value hedge of brokered CDs
Derivative Liabilities
Fair value hedge	0	880
Not designated as hedging instrument
Derivatives, Fair Value [Line Items]
Notional Amount	3,389,643
Not designated as hedging instrument | Customer derivative positions
Derivatives, Fair Value [Line Items]
Notional Amount	1,329,271
Not designated as hedging instrument | Dealer offsets to customer derivative positions
Derivatives, Fair Value [Line Items]
Notional Amount	1,329,271
Not designated as hedging instrument | Risk participations
Derivatives, Fair Value [Line Items]
Notional Amount	48,843
Not designated as hedging instrument | Mortgage banking - loan commitment
Derivatives, Fair Value [Line Items]
Notional Amount	253,243
Not designated as hedging instrument | Mortgage banking - forward sales commitment
Derivatives, Fair Value [Line Items]
Notional Amount	325,145
Not designated as hedging instrument | Bifurcated embedded derivatives
Derivatives, Fair Value [Line Items]
Notional Amount	51,935
Not designated as hedging instrument | Dealer offsets to bifurcated embedded derivatives
Derivatives, Fair Value [Line Items]
Notional Amount	51,935
Not designated as hedging instrument | Derivative assets
Derivative Assets
Derivatives not designated as hedging instruments	83,288	35,007
Not designated as hedging instrument | Derivative assets | Customer derivative positions
Derivative Assets
Derivatives not designated as hedging instruments	72,508	27,277
Not designated as hedging instrument | Derivative assets | Dealer offsets to customer derivative positions
Derivative Assets
Derivatives not designated as hedging instruments	1	394
Not designated as hedging instrument | Derivative assets | Risk participations
Derivative Assets
Derivatives not designated as hedging instruments	28	0
Not designated as hedging instrument | Derivative assets | Mortgage banking - loan commitment
Derivative Assets
Derivatives not designated as hedging instruments	10,751	1,970
Not designated as hedging instrument | Derivative assets | Mortgage banking - forward sales commitment
Derivative Assets
Derivatives not designated as hedging instruments	0	98
Not designated as hedging instrument | Derivative assets | Bifurcated embedded derivatives
Derivative Assets
Derivatives not designated as hedging instruments	0	5,268
Not designated as hedging instrument | Derivative assets | Dealer offsets to bifurcated embedded derivatives
Derivative Assets
Derivatives not designated as hedging instruments	0	0
Not designated as hedging instrument | Derivative liabilities
Derivative Liabilities
Derivatives not designated as hedging instruments	29,003	14,636
Not designated as hedging instrument | Derivative liabilities | Customer derivative positions
Derivative Liabilities
Derivatives not designated as hedging instruments	17	446
Not designated as hedging instrument | Derivative liabilities | Dealer offsets to customer derivative positions
Derivative Liabilities
Derivatives not designated as hedging instruments	24,614	6,425
Not designated as hedging instrument | Derivative liabilities | Risk participations
Derivative Liabilities
Derivatives not designated as hedging instruments	12	12
Not designated as hedging instrument | Derivative liabilities | Mortgage banking - loan commitment
Derivative Liabilities
Derivatives not designated as hedging instruments	0	0
Not designated as hedging instrument | Derivative liabilities | Mortgage banking - forward sales commitment
Derivative Liabilities
Derivatives not designated as hedging instruments	1,964	86
Not designated as hedging instrument | Derivative liabilities | Bifurcated embedded derivatives
Derivative Liabilities
Derivatives not designated as hedging instruments	1,449	0
Not designated as hedging instrument | Derivative liabilities | Dealer offsets to bifurcated embedded derivatives
Derivative Liabilities
Derivatives not designated as hedging instruments	$ 947	$ 7,667

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Derivatives and Hedging Activities - Narrative (Details)	Dec. 31, 2020 USD ($) contract	Dec. 31, 2019 USD ($) contract
Derivative Instruments [Line Items]
Aggregate notional amount	$ 3,529,643,000
Losses to be reclassified from accumulated other comprehensive income into earnings over the next twelve months	$ 594,000
Interest rate swaps | Cash flow hedging
Derivative Instruments [Line Items]
Number of derivative contracts | contract	3	0
Aggregate notional amount	$ 120,000,000
Interest rate swaps | Fair value hedging of interest rate risk
Derivative Instruments [Line Items]
Number of derivative contracts | contract	2	4
Aggregate notional amount	$ 20,000,000.0	$ 37,900,000
Not designated as hedging instrument, economic hedge | Interest rate swaps
Derivative Instruments [Line Items]
Number of derivative contracts | contract	3

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Derivatives and Hedging Activities - Effect of derivatives in hedging relationships (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Derivative Instruments [Line Items]
Total income (expense) presented in the consolidated statements of income	$ (56,237)	$ (83,312)	$ (61,330)
Interest revenue - taxable investment securities	55,031	69,920	73,496
Other noninterest income	32,213	28,775	24,142
Fair value hedge | Interest expense
Gains (losses) on fair value hedging relationships:
Amounts related to interest settlements on derivatives	291	(327)	(245)
Recognized on derivatives	870	733	(220)
Recognized on hedged items	(880)	(766)	(145)
Net income (expense) recognized on fair value hedges	281	(360)	(610)
Fair value hedge | Interest revenue - taxable investment securities
Gains (losses) on fair value hedging relationships:
Amounts related to interest settlements on derivatives			17
Recognized on derivatives			0
Recognized on hedged items			0
Net income (expense) recognized on fair value hedges			17
Fair value hedge | Other noninterest income
Gains (losses) on fair value hedging relationships:
Amounts related to interest settlements on derivatives			0
Recognized on derivatives			356
Recognized on hedged items			(447)
Net income (expense) recognized on fair value hedges			(91)
Cash flow hedging | Interest expense
Losses on active cash flow hedging relationships:
Realized losses reclassified from AOCI into net income	(359)	0	0
Net expense recognized on cash flow hedges	(359)	$ 0	0
Premium amortization expense excluded from assessment of hedge effectiveness	$ 329
Cash flow hedging | Interest revenue - taxable investment securities
Losses on active cash flow hedging relationships:
Realized losses reclassified from AOCI into net income			0
Net expense recognized on cash flow hedges			0
Cash flow hedging | Other noninterest income
Losses on active cash flow hedging relationships:
Realized losses reclassified from AOCI into net income			0
Net expense recognized on cash flow hedges			$ 0

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Derivatives and Hedging Activities - Carrying amount and hedge accounting basis adjustment (Details) - Fair value hedge - Interest rate swaps - Deposits - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Derivative [Line Items]
Carrying amount of Assets (Liabilities)	$ (20,216)	$ (35,880)
Hedge Accounting Basis Adjustment	$ (235)	$ 645

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Derivatives and Hedging Activities - Gains and losses recognized in income on derivatives not designated as hedging instruments (Details) - Not designated as hedging instrument - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Derivative Instruments [Line Items]
Amount of gain (loss) recognized in income on derivatives	$ (1,544)	$ 1,097	$ 4,413
Customer derivatives and dealer offsets | Other noninterest income
Derivative Instruments [Line Items]
Amount of gain (loss) recognized in income on derivatives	6,732	2,878	2,658
Bifurcated embedded derivatives and dealer offsets | Other noninterest income
Derivative Instruments [Line Items]
Amount of gain (loss) recognized in income on derivatives	(63)	212	307
Interest rate caps | Other noninterest income
Derivative Instruments [Line Items]
Amount of gain (loss) recognized in income on derivatives	0	0	501
De-designated hedges | Other noninterest income
Derivative Instruments [Line Items]
Amount of gain (loss) recognized in income on derivatives	0	(193)	31
Mortgage banking derivatives | Mortgage loan revenue
Derivative Instruments [Line Items]
Amount of gain (loss) recognized in income on derivatives	(7,873)	(1,797)	904
Risk participations | Other noninterest income
Derivative Instruments [Line Items]
Amount of gain (loss) recognized in income on derivatives	$ (340)	$ (3)	$ 12

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Goodwill and Other Intangible Assets - Summary (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Carrying amount of goodwill and other intangible assets
Core deposit intangible	$ 36,162	$ 32,802
Less: accumulated amortization	(22,148)	(17,980)
Net core deposit intangible	14,014	14,822
Goodwill	367,809	327,425	$ 307,112
Total goodwill and other intangible assets, net	$ 381,823	$ 342,247

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Goodwill and Other Intangible Assets - Changes in carrying amount of goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Changes in carrying amount of goodwill
Goodwill, beginning balance	$ 327,425	$ 307,112
Acquisitions	40,384	20,313
Goodwill, ending balance	367,809	327,425
Accumulated impairment losses	306,000	306,000	$ 306,000
Gross goodwill	$ 673,000	$ 633,000	$ 613,000

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Goodwill and Other Intangible Assets - Estimated aggregate amortization expense for future periods (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Estimated aggregate amortization expense for future periods
2021	$ 3,622
2022	2,915
2023	2,321
2024	1,834
2025	1,414
Thereafter	1,908
Net core deposit intangible	$ 14,014	$ 14,822

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Servicing Assets and Liabilities - Changes in SBA/USDA loans servicing rights (Details) - SBA/USDA loans - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Servicing rights roll forward
Servicing rights, beginning of period	$ 6,794	$ 7,510	$ 7,740
Originated servicing rights capitalized upon sale of loans	1,114	1,835	2,573
Disposals	(624)	(1,258)	(810)
Measurement period adjustment to acquired servicing rights	0	0	(354)
Changes in fair value due to change in inputs or assumptions used in the valuation	(822)	(1,293)	(1,639)
Servicing rights, end of period	$ 6,462	$ 6,794	$ 7,510

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Servicing Assets and Liabilities - Key characteristics, inputs, and economic assumptions for SBA/USDA loans and related sensitivity (Details) - SBA/USDA loans - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Servicing Assets at Fair Value [Line Items]
Fair value of retained servicing assets	$ 6,462	$ 6,794	$ 7,510	$ 7,740
10% adverse change	(358)	(352)
20% adverse change	(680)	(671)
100 bps adverse change	(171)	(184)
200 bps adverse change	$ (333)	$ (358)
Weighted average
Servicing Assets at Fair Value [Line Items]
Prepayment rate assumption	17.80%	16.50%
Discount rate	8.90%	12.30%
Life (years)	3 years 6 months	3 years 10 months 24 days
Gross margin	1.90%	1.90%
Minimum
Servicing Assets at Fair Value [Line Items]
Prepayment rate assumption	2.70%
Discount rate	1.60%
Life (years)	7 months 6 days
Gross margin	0.00%
Maximum
Servicing Assets at Fair Value [Line Items]
Prepayment rate assumption	33.60%
Discount rate	44.10%
Life (years)	5 years 7 months 6 days
Gross margin	3.20%

XML

Servicing Assets and Liabilities - Changes in residential mortgage loans servicing rights (Details) - Residential mortgage servicing rights - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Servicing rights roll forward
Servicing rights, beginning of period	$ 13,565	$ 11,877	$ 8,262
Originated servicing rights capitalized upon sale of loans	11,911	5,783	4,587
Disposals	(2,868)	(1,098)	(537)
Changes in fair value due to change in inputs or assumptions used in the valuation	(6,392)	(2,997)	(435)
Servicing rights, end of period	$ 16,216	$ 13,565	$ 11,877

XML

Servicing Assets and Liabilities - Key characteristics, inputs, and economic assumptions for residential mortgage loans and related sensitivity (Details) - Residential mortgage servicing rights - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Servicing Assets at Fair Value [Line Items]
Fair value of retained servicing assets	$ 16,216	$ 13,565	$ 11,877	$ 8,262
10% adverse change	(999)	(662)
20% adverse change	(1,912)	(1,270)
100 bps adverse change	(518)	(467)
200 bps adverse change	$ (1,001)	$ (900)
Weighted average
Servicing Assets at Fair Value [Line Items]
Prepayment rate assumption	17.70%	14.10%
Discount rate	10.00%	10.00%
Minimum
Servicing Assets at Fair Value [Line Items]
Prepayment rate assumption	8.70%
Discount rate	10.00%
Maximum
Servicing Assets at Fair Value [Line Items]
Prepayment rate assumption	19.50%
Discount rate	11.00%

XML

Servicing Assets and Liabilities - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Schedule Of Servicing Asset [Line Items]
Servicing liabilities	$ 357	$ 363
SBA/USDA loans
Schedule Of Servicing Asset [Line Items]
Loans serviced for others not included in balance sheet	402,000	411,000
Contractually specified servicing fees earned by United on servicing rights	3,770	3,820	$ 3,440
Residential mortgage servicing rights
Schedule Of Servicing Asset [Line Items]
Loans serviced for others not included in balance sheet	2,310,000	1,600,000
Contractually specified servicing fees earned by United on servicing rights	4,820	3,670	$ 2,370
Equipment financing loans
Schedule Of Servicing Asset [Line Items]
Loans serviced for others not included in balance sheet	$ 45,500	$ 42,400

XML

Time Deposits - Contractual maturities of time deposits (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Contractual maturities of time deposits
2021	$ 1,418,807
2022	211,523
2023	59,153
2024	25,513
2025	20,816
Thereafter	50,579
Total time deposits	$ 1,786,391

XML

Time Deposits - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Deposits [Abstract]
Time deposits (excluding brokered time deposits) that met or exceeded FDIC insurance limit	$ 317	$ 367

XML

Long-term Debt - Schedule of long-term debt (Details) - USD ($) $ in Thousands	12 Months Ended	29 Months Ended		64 Months Ended	67 Months Ended	71 Months Ended
	Dec. 31, 2020	Dec. 31, 2027	Dec. 31, 2022	Dec. 31, 2026	Dec. 31, 2030	Dec. 31, 2028	Dec. 31, 2019
Debt Instrument [Line Items]
Less net discount	$ (9,296)						$ (8,588)
Total long-term debt	326,956						212,664
Senior debentures
Debt Instrument [Line Items]
Long-term debt, gross	185,000						85,000
Senior debentures | 2022 senior debentures
Debt Instrument [Line Items]
Long-term debt, gross	$ 50,000						50,000
Interest Rate (percent)	5.00%
Senior debentures | 2022 senior debentures | LIBOR | Forecast
Debt Instrument [Line Items]
Basis spread on variable rate (percent)			3.814%
Senior debentures | 2027 senior debentures
Debt Instrument [Line Items]
Long-term debt, gross	$ 35,000						35,000
Interest Rate (percent)	5.50%
Senior debentures | 2027 senior debentures | LIBOR | Forecast
Debt Instrument [Line Items]
Basis spread on variable rate (percent)		3.71%
Senior debentures | 2030 senior debentures
Debt Instrument [Line Items]
Long-term debt, gross	$ 100,000						0
Interest Rate (percent)	5.00%
Senior debentures | 2030 senior debentures | SOFR | Forecast
Debt Instrument [Line Items]
Basis spread on variable rate (percent)					4.87%
Subordinated debentures
Debt Instrument [Line Items]
Long-term debt, gross	$ 111,250						111,250
Subordinated debentures | 2026 subordinated debentures
Debt Instrument [Line Items]
Long-term debt, gross	$ 15,000						0
Interest Rate (percent)	5.875%
Subordinated debentures | 2026 subordinated debentures | LIBOR | Forecast
Debt Instrument [Line Items]
Basis spread on variable rate (percent)				4.70%
Subordinated debentures | 2028 subordinated debentures
Debt Instrument [Line Items]
Long-term debt, gross	$ 100,000						100,000
Interest Rate (percent)	4.50%
Subordinated debentures | 2028 subordinated debentures | LIBOR | Forecast
Debt Instrument [Line Items]
Basis spread on variable rate (percent)						2.12%
Subordinated debentures | 2025 subordinated debentures
Debt Instrument [Line Items]
Long-term debt, gross	$ 11,250						11,250
Interest Rate (percent)	6.25%
Trust preferred securities
Debt Instrument [Line Items]
Long-term debt, gross	$ 25,002						25,002
Trust preferred securities | Southern Bancorp Capital Trust I
Debt Instrument [Line Items]
Long-term debt, gross	$ 4,382						4,382
Trust preferred securities | Southern Bancorp Capital Trust I | Prime Rate
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.00%
Trust preferred securities | Tidelands Statutory Trust I
Debt Instrument [Line Items]
Long-term debt, gross	$ 8,248						8,248
Trust preferred securities | Tidelands Statutory Trust I | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.38%
Trust preferred securities | Four Oaks Statutory Trust I
Debt Instrument [Line Items]
Long-term debt, gross	$ 12,372						$ 12,372
Trust preferred securities | Four Oaks Statutory Trust I | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.35%

XML

Operating Leases - Right-of-use asset and operating lease liability (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Right-of-use asset	$ 31,398	$ 19,894
Operating lease liability	$ 33,095	$ 22,039
Right-of-use asset, balance sheet line item	us-gaap:OtherAssets	us-gaap:OtherAssets
Operating lease liability, balance sheet line item	us-gaap:OtherLiabilities	us-gaap:OtherLiabilities

XML

Operating Leases - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2018
Lessee, Lease, Description [Line Items]
Right-of-use assets resulting in net increase in operating lease liability	$ 17,400
Rent expense in accordance with ASC 840		$ 4,700
Operating lease, weighted average remaining lease term (in years)	5 years 8 months 26 days
Operating lease, weighted average discount rate (percent)	1.79%
Three Shores
Lessee, Lease, Description [Line Items]
Right-of-use assets resulting in net increase in operating lease liability	$ 15,100

XML

Operating Leases - Operating lease income and expense and other supplemental information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Operating lease income and expense
Operating lease cost	$ 6,449	$ 5,067
Variable lease cost	757	449
Short-term lease cost	100	136
Total lease cost	7,306	5,652
Sublease income and rental income from owned properties under operating leases	$ 1,022	$ 1,160

XML

Operating Leases - Future minimum lease payments (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Future minimum lease payments
2021	$ 7,446
2022	7,544
2023	6,953
2024	3,417
2025	2,403
Thereafter	6,996
Total	34,759
Less discount	(1,664)
Present value of lease liability	$ 33,095	$ 22,039

XML

Fair Value Measurements - Assets and liabilities measured at fair value on recurring basis (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Assets:
Debt securities available-for-sale	$ 3,224,721	$ 2,274,581
Mortgage loans held for sale	105,433	58,484
U.S. Treasuries
Assets:
Debt securities available-for-sale	128,072	154,618
U.S. Government agencies & GSEs
Assets:
Debt securities available-for-sale	152,972	3,035
State and political subdivisions
Assets:
Debt securities available-for-sale	274,472	226,490
Corporate bonds
Assets:
Debt securities available-for-sale	71,767	203,091
Asset-backed securities
Assets:
Debt securities available-for-sale	562,722	103,369
Recurring
Assets:
Equity securities with readily determinable fair values	1,687	1,973
Mortgage loans held for sale	105,433	58,484
Deferred compensation plan assets	9,584	8,133
Servicing rights for SBA/USDA loans	6,462	6,794
Residential mortgage servicing rights	16,216	13,565
Derivative financial instruments	86,666	35,007
Total assets	3,450,769	2,398,537
Liabilities:
Deferred compensation plan liability	9,590	8,132
Derivative financial instruments	29,003	15,516
Total liabilities	38,593	23,648
Recurring | U.S. Treasuries
Assets:
Debt securities available-for-sale	128,072	154,618
Recurring | U.S. Government agencies & GSEs
Assets:
Debt securities available-for-sale	152,972	3,035
Recurring | State and political subdivisions
Assets:
Debt securities available-for-sale	274,472	226,490
Recurring | Residential mortgage-backed securities
Assets:
Debt securities available-for-sale	1,485,585	1,299,025
Recurring | Commercial mortgage-backed securities
Assets:
Debt securities available-for-sale	549,131	284,953
Recurring | Corporate bonds
Assets:
Debt securities available-for-sale	71,767	203,091
Recurring | Asset-backed securities
Assets:
Debt securities available-for-sale	562,722	103,369
Recurring | Level 1
Assets:
Equity securities with readily determinable fair values	774	1,973
Mortgage loans held for sale	0	0
Deferred compensation plan assets	9,584	8,133
Servicing rights for SBA/USDA loans	0	0
Residential mortgage servicing rights	0	0
Derivative financial instruments	0	0
Total assets	138,430	164,724
Liabilities:
Deferred compensation plan liability	9,590	8,132
Derivative financial instruments	0	0
Total liabilities	9,590	8,132
Recurring | Level 1 | U.S. Treasuries
Assets:
Debt securities available-for-sale	128,072	154,618
Recurring | Level 1 | U.S. Government agencies & GSEs
Assets:
Debt securities available-for-sale	0	0
Recurring | Level 1 | State and political subdivisions
Assets:
Debt securities available-for-sale	0	0
Recurring | Level 1 | Residential mortgage-backed securities
Assets:
Debt securities available-for-sale	0	0
Recurring | Level 1 | Commercial mortgage-backed securities
Assets:
Debt securities available-for-sale	0	0
Recurring | Level 1 | Corporate bonds
Assets:
Debt securities available-for-sale	0	0
Recurring | Level 1 | Asset-backed securities
Assets:
Debt securities available-for-sale	0	0
Recurring | Level 2
Assets:
Equity securities with readily determinable fair values	913	0
Mortgage loans held for sale	105,433	58,484
Deferred compensation plan assets	0	0
Servicing rights for SBA/USDA loans	0	0
Residential mortgage servicing rights	0	0
Derivative financial instruments	75,887	27,769
Total assets	3,277,132	2,205,218
Liabilities:
Deferred compensation plan liability	0	0
Derivative financial instruments	26,595	6,957
Total liabilities	26,595	6,957
Recurring | Level 2 | U.S. Treasuries
Assets:
Debt securities available-for-sale	0	0
Recurring | Level 2 | U.S. Government agencies & GSEs
Assets:
Debt securities available-for-sale	152,972	3,035
Recurring | Level 2 | State and political subdivisions
Assets:
Debt securities available-for-sale	274,472	226,490
Recurring | Level 2 | Residential mortgage-backed securities
Assets:
Debt securities available-for-sale	1,485,585	1,299,025
Recurring | Level 2 | Commercial mortgage-backed securities
Assets:
Debt securities available-for-sale	549,131	284,953
Recurring | Level 2 | Corporate bonds
Assets:
Debt securities available-for-sale	70,017	202,093
Recurring | Level 2 | Asset-backed securities
Assets:
Debt securities available-for-sale	562,722	103,369
Recurring | Level 3
Assets:
Equity securities with readily determinable fair values	0	0
Mortgage loans held for sale	0	0
Deferred compensation plan assets	0	0
Servicing rights for SBA/USDA loans	6,462	6,794
Residential mortgage servicing rights	16,216	13,565
Derivative financial instruments	10,779	7,238
Total assets	35,207	28,595
Liabilities:
Deferred compensation plan liability	0	0
Derivative financial instruments	2,408	8,559
Total liabilities	2,408	8,559
Recurring | Level 3 | U.S. Treasuries
Assets:
Debt securities available-for-sale	0	0
Recurring | Level 3 | U.S. Government agencies & GSEs
Assets:
Debt securities available-for-sale	0	0
Recurring | Level 3 | State and political subdivisions
Assets:
Debt securities available-for-sale	0	0
Recurring | Level 3 | Residential mortgage-backed securities
Assets:
Debt securities available-for-sale	0	0
Recurring | Level 3 | Commercial mortgage-backed securities
Assets:
Debt securities available-for-sale	0	0
Recurring | Level 3 | Corporate bonds
Assets:
Debt securities available-for-sale	1,750	998
Recurring | Level 3 | Asset-backed securities
Assets:
Debt securities available-for-sale	$ 0	$ 0

XML

Fair Value Measurements - Reconciliation for measurements at fair value on a recurring basis using significant unobservable inputs (Details) - Recurring - Level 3 - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Derivative Asset
Reconciliation of Assets at Level 3 Measurement
Balance at beginning of period	$ 7,238	$ 11,841	$ 12,207
Transfers into Level 3	583
Additions	368
Sales and settlements	0	(1,135)	(1,029)
Other comprehensive income	0	0	0
Amounts included in earnings - fair value adjustments	2,590	(3,468)	663
Balance at end of period	10,779	7,238	11,841
Debt Securities Available- for-Sale
Reconciliation of Assets at Level 3 Measurement
Balance at beginning of period	998	995	900
Transfers into Level 3	0
Additions	1,750
Sales and settlements	(1,000)	0	0
Other comprehensive income	2	3	95
Amounts included in earnings - fair value adjustments	0	0	0
Balance at end of period	1,750	998	995
Derivative Liability
Reconciliation of Liabilities at Level 3 Measurement
Balance at beginning of period	8,559	15,732	16,744
Transfers into Level 3	0
Additions	0
Sales and settlements	0	(2,330)	(1,347)
Other comprehensive income	0	0	0
Amounts included in earnings - fair value adjustments	(6,151)	(4,843)	335
Balance at end of period	$ 2,408	$ 8,559	$ 15,732

XML

Fair Value Measurements - Quantitative information about Level 3 measurements for fair value on a recurring basis (Details) - Recurring - Level 3	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Corporate bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Valuation technique	Indicative bid provided by a broker
Derivative assets - mortgage
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Valuation technique	Internal model
Derivative assets - mortgage | Pull through rate | Low
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative assets, measurement input	0.656
Derivative assets - mortgage | Pull through rate | High
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative assets, measurement input	1
Derivative assets - mortgage | Pull through rate | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative assets, measurement input	0.839	0.836
Derivative assets - customer derivative positions
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Valuation technique	Internal model
Derivative assets - customer derivative positions | Probability of default rate | Low
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative assets, measurement input	1
Derivative assets - customer derivative positions | Probability of default rate | High
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative assets, measurement input	1
Derivative assets - customer derivative positions | Probability of default rate | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative assets, measurement input	1
Derivative assets - customer derivative positions | Loss given default rate | Low
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative assets, measurement input	1
Derivative assets - customer derivative positions | Loss given default rate | High
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative assets, measurement input	1
Derivative assets - customer derivative positions | Loss given default rate | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative assets, measurement input	1
Derivative assets & liabilities - risk participations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Valuation technique	Internal model
Derivative assets & liabilities - risk participations | Probability of default rate | Low
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative assets and liabilities, measurement input	0.0016
Derivative assets & liabilities - risk participations | Probability of default rate | High
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative assets and liabilities, measurement input	0.131
Derivative assets & liabilities - risk participations | Probability of default rate | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative assets and liabilities, measurement input	0.0403	0.0180
Derivative assets & liabilities - risk participations | Probable exposure rate | Low
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative assets and liabilities, measurement input	0.0006
Derivative assets & liabilities - risk participations | Probable exposure rate | High
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative assets and liabilities, measurement input	0.0366
Derivative assets & liabilities - risk participations | Probable exposure rate | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative assets and liabilities, measurement input	0.0181	0.0036
Derivative assets & liabilities - other
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Valuation technique	Dealer priced

XML

Fair Value Measurements - Fair value option (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Mortgage Loans Held for Sale
Outstanding principal balance	$ 99,746	$ 56,613
Fair value	105,433	58,484
Mortgage loan gains and other related fees	$ 3,815	$ 1,177	$ (133)

XML

Fair Value Measurements - Assets and liabilities measured at fair value on nonrecurring basis (Details) - Nonrecurring - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans	$ 29,404	$ 20,977
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans	0	0
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans	0	0
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans	$ 29,404	$ 20,977

XML

Fair Value Measurements - Fair values for other financial instruments that are not measured at fair value on recurring basis (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Assets:
Securities held to maturity	$ 437,193	$ 287,904
Carrying Amount
Assets:
Securities held to maturity	420,361	283,533
Loans, net	11,233,805	8,750,464
Liabilities:
Deposits	15,232,358	10,897,244
Long-term debt	326,956	212,664
Fair Value
Assets:
Securities held to maturity	437,193	287,904
Loans, net	11,209,717	8,714,592
Liabilities:
Deposits	15,232,274	10,897,465
Long-term debt	336,763	217,665
Fair Value | Level 1
Assets:
Securities held to maturity	0	0
Loans, net	0	0
Liabilities:
Deposits	0	0
Long-term debt	0	0
Fair Value | Level 2
Assets:
Securities held to maturity	437,193	287,904
Loans, net	0	0
Liabilities:
Deposits	15,232,274	10,897,465
Long-term debt	0	0
Fair Value | Level 3
Assets:
Securities held to maturity	0	0
Loans, net	11,209,717	8,714,592
Liabilities:
Deposits	0	0
Long-term debt	$ 336,763	$ 217,665

XML

Fair Value Measurements - Narrative (Details)	12 Months Ended
	Dec. 31, 2020
Fair Value Disclosures [Abstract]
Maximum remaining maturity of financial instruments having no defined maturity	180 days

XML

Common and Preferred Stock (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Nov. 30, 2020
Class of Stock [Line Items]
Repurchase program authorized amount	$ 50,000,000			$ 50,000,000
Shares repurchased (in shares)	826,482	500,495	0
Repurchase program remaining authorization	$ 50,000,000.0
Shares issued in connection with DRIP (in shares)	38,107	62,629	7,307
Preferred stock authorized (in shares)	10,000,000
Preferred stock carrying amount	$ 96,422,000	$ 0
Net proceeds from issuance of preferred stock	96,422,000	0	$ 0
Series I perpetual non-cumulative preferred stock
Class of Stock [Line Items]
Preferred stock carrying amount	96,400,000	$ 0
Preferred stock issued	$ 100,000,000
Issuance of stock (in shares)	4,000
Preferred stock dividend rate (percent)	6.875%
Net proceeds from issuance of preferred stock	$ 96,400,000
Preferred stock redemption price (in dollars per share)	$ 25,000
Depositary share on Series I perpetual non-cumulative preferred stock
Class of Stock [Line Items]
Preferred stock redemption price (in dollars per share)	$ 25

XML

Equity Compensation Plans - Restricted stock units and options outstanding activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Restricted Stock Units
Restricted Stock Units, Shares
Beginning balance, outstanding (in shares)	808,424	759,746	663,817
Granted (in shares)	446,512	315,827	416,484
Vested / Exercised (in shares)	(324,697)	(216,138)	(290,013)
Expired (in shares)	0	0
Cancelled (in shares)	(36,808)	(51,011)	(30,542)
Ending balance, outstanding (in shares)	893,431	808,424	759,746
Restricted Stock Units, Weighted Average Grant Date Fair Value
Beginning balance, outstanding (in dollars per share)	$ 27.94	$ 27.66	$ 22.40
Granted (in dollars per share)	19.15	26.74	30.54
Vested / Exercised (in dollars per share)	26.42	25.38	20.18
Expired (in dollars per share)
Cancelled (in dollars per share)	25.73	27.18	23.65
Ending balance, outstanding (in dollars per share)	$ 23.75	$ 27.94	$ 27.66
Vested, Aggregate Intrinsic Value	$ 7,212
Outstanding, Aggregate Intrinsic Value	$ 25,409
Options
Options, Shares
Beginning balance, outstanding (in shares)	1,500	47,139	60,287
Granted (in shares)	0	0	0
Vested / Exercised (in shares)	0	(13,000)	(12,000)
Expired (in shares)	(1,500)	(30,243)
Cancelled (in shares)	0	(2,396)	(1,148)
Ending balance, outstanding (in shares)	0	1,500	47,139
Options, Weighted Average Exercise Price
Beginning balance, outstanding (in dollars per share)	$ 27.95	$ 27.07	$ 24.12
Granted (in dollars per share)	0	0	0
Vested / Exercised (in dollars per shares)	0	16.34	11.85
Expired (in dollars per share)	27.95	31.43
Cancelled (in dollars per share)	$ 0	29.68	31.50
Ending balance, outstanding (in dollars per share)		$ 27.95	$ 27.07

XML

Equity Compensation Plans - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period under plan	4 years
Exercisable period	10 years
Additional awards remaining available under plan (in shares)	908,000
Deferred income tax benefit related to compensation expense for awards	$ 2,010,000.00	$ 2,390,000	$ 1,540,000
Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	0	0	18,000
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 7,400,000	$ 8,980,000	$ 5,690,000
Units outstanding (in shares)	893,431	808,424	759,746	663,817
Unrecognized compensation cost	$ 14,400,000
Weighted-average recognition period for unrecognized compensation cost	2 years 7 months 6 days
Restricted stock units | Merger-related and other charges
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense related to acceleration of vesting		$ 1,380,000
Compensation expense related to acquisition		740,000
Restricted stock units | Salaries and employee benefits expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense		6,860,000
Restricted stock units | Other operating expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 484,000	$ 379,000	$ 338,000
Performance-based restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units outstanding (in shares)	148,109

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Reclassifications Out of AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Securities gains (losses), net	$ 748	$ (1,021)	$ (656)
Investment securities interest revenue	557,996	552,706	500,080
Salaries and employee benefits expense	(224,060)	(196,440)	(181,015)
Other expense	(15,301)	(15,092)	(17,194)
Deposit interest expense	(41,772)	(66,856)	(39,543)
Long-term debt interest expense	(14,434)	(12,921)	(14,330)
Merger-related and other	(7,018)	(6,907)	(5,414)
Total before tax	209,445	238,712	215,926
Income tax benefit	(45,356)	(52,991)	(49,815)
Net income	164,089	185,721	166,111
Reclassifications Out of AOCI
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income	(899)	(2,997)	(2,113)
Reclassifications Out of AOCI | Realized gains (losses) on available-for-sale securities
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Securities gains (losses), net	748	(1,021)	(656)
Income tax benefit	(191)	247	132
Net income	557	(774)	(524)
Reclassifications Out of AOCI | Amortization of losses included in net income on available-for-sale securities transferred to held to maturity
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Investment securities interest revenue	(723)	(383)	(739)
Income tax benefit	173	92	180
Net income	(550)	(291)	(559)
Reclassifications Out of AOCI | Reclassifications related to derivative financial instruments accounted for as cash flow hedges
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other expense	0	(235)	0
Deposit interest expense	0	(102)	(499)
Long-term debt interest expense	(359)	0	0
Total before tax	(359)	(337)	(499)
Income tax benefit	91	86	129
Net income	(268)	(251)	(370)
Reclassifications Out of AOCI | Reclassifications related to defined benefit pension plan activity
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total before tax	(857)	(2,257)	(907)
Income tax benefit	219	576	247
Net income	(638)	(1,681)	(660)
Reclassifications Out of AOCI | Prior service cost
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Salaries and employee benefits expense	(531)	(640)	(666)
Reclassifications Out of AOCI | Actuarial losses
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other expense	(326)	(59)	(241)
Reclassifications Out of AOCI | Termination of Funded Plan
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Merger-related and other	$ 0	$ (1,558)	$ 0

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Earnings Per Share - Computation of basic and diluted earnings per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Computation of basic and diluted earnings per share
Net income	$ 164,089	$ 185,721	$ 166,111
Undistributed earnings allocated to participating securities	(1,287)	(1,375)	(1,184)
Dividends on preferred stock	(3,533)	0	0
Net income available to common shareholders	$ 159,269	$ 184,346	$ 164,927
Net income per common share:
Basic (in dollars per share)	$ 1.91	$ 2.31	$ 2.07
Diluted (in dollars per share)	$ 1.91	$ 2.31	$ 2.07
Weighted average common shares:
Basic (in shares)	83,184	79,700	79,662
Effect of dilutive securities:
Diluted (in shares)	83,248	79,708	79,671
Stock options
Effect of dilutive securities:
Dilutive securities (in shares)	0	1	7
Restricted stock units
Effect of dilutive securities:
Dilutive securities (in shares)	64	7	2

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Earnings Per Share - Narrative (Details) - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Class of Stock [Line Items]
Antidilutive securities excluded from computation (in shares)	0
Stock options
Class of Stock [Line Items]
Antidilutive securities excluded from computation (in shares)		1,000	32,316
Weighted average exercise price of stock options (in dollars per share)		$ 30.45
Restricted stock units
Class of Stock [Line Items]
Antidilutive securities excluded from computation (in shares)		183,168

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Income Taxes - Income tax expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Current	$ 42,688	$ 38,082	$ 17,185
Deferred	2,668	14,909	32,630
Total income tax expense	$ 45,356	$ 52,991	$ 49,815

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Income Taxes - Differences between provision for income taxes and amount computed as statutory rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Differences between the provision for income taxes and statutory federal income tax rate
Pretax income at statutory rates	$ 43,983	$ 50,130	$ 45,344
Add (deduct):
State taxes, net of federal benefit	5,928	7,168	6,765
BOLI earnings	(1,052)	(1,127)	(747)
Adjustment to reserve for uncertain tax positions	(1,212)	84	80
Tax-exempt interest revenue	(2,169)	(1,827)	(1,229)
Equity compensation	(174)	(375)	(892)
Transaction costs	217	16	78
Tax credit investments	(930)	(464)	(29)
Change in state statutory tax rate	0	0	583
Other	765	(614)	(138)
Total income tax expense	$ 45,356	$ 52,991	$ 49,815

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Income Taxes - Deferred taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
DTAs:
ACL	$ 33,213	$ 14,910
Net operating loss carryforwards	22,277	27,568
Deferred compensation	10,012	9,363
Loan purchase accounting adjustments	8,567	6,599
Reserve for losses on foreclosed properties	33	20
Nonqualified share based compensation	1,833	2,041
Accrued expenses	6,865	3,958
Investment in partnerships	71	67
Unamortized pension actuarial losses and prior service cost	1,981	1,739
Securities purchase accounting adjustments	0	687
Lease liability	8,055	5,327
Other	4,018	1,351
Total DTAs	96,925	73,630
DTLs:
Unrealized gains on securities available-for-sale	17,439	7,943
Unrealized gains on cash flow hedges	54	0
Acquired intangible assets	2,576	2,530
Premises and equipment	4,241	3,002
Loan origination costs	4,857	3,538
True tax leases	7,846	7,783
Prepaid expenses	230	373
Servicing assets	4,816	4,428
Derivatives	2,250	1,075
Right-of-use asset	7,642	4,809
Securities purchase accounting adjustments	3,146	0
Uncertain tax positions	1,813	1,792
Total DTLs	56,910	37,273
Less valuation allowance	1,604	2,298
Net DTA	$ 38,411	$ 34,059

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Income Taxes - Reconciliation of unrecognized tax benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Reconciliation of the beginning and ending unrecognized tax benefit
Balance at beginning of year	$ 3,370	$ 3,264	$ 3,163
Additions based on tax positions related to the current year	421	481	470
Decreases resulting from a lapse in the applicable statute of limitations	(1,628)	(375)	(369)
Balance at end of year	$ 2,163	$ 3,370	$ 3,264

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Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Tax Credit Carryforward [Line Items]
Increase in net DTA	$ 16,300,000
Valuation allowance	1,604,000	$ 2,298,000
Net DTA	38,411,000	34,059,000
Tax benefit related to uncertain tax positions that increases income from continuing operations	1,710,000
Penalties and interest related to income taxes	0	0	$ 0
Accrued penalties and interest	0	$ 0
Begin to expire in 2021 | State
Tax Credit Carryforward [Line Items]
Net operating loss carryforwards	36,000,000.0
State tax credits	3,700,000
Begin to expire in 2031 | State
Tax Credit Carryforward [Line Items]
Net operating loss carryforwards	113,000,000
Begin to expire in 2027 | Federal
Tax Credit Carryforward [Line Items]
Net operating loss carryforwards	$ 63,800,000

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Benefit Plans - Narrative (Details) - USD ($)	3 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Defined Benefit Plan Disclosure [Line Items]
Employer match of employee contributions (percent)		100.00%
Employer matching contribution maximum percent of employee's eligible compensation (percent)		5.00%
Service period to receive matching contribution		1 year
Vesting period of benefits			3 years
Compensation expense related to 401(k) Plan		$ 6,160,000	$ 5,300,000	$ 4,730,000
Common stock issuable under the deferred compensation plan (shares)		600,834	664,640
Unrecognized losses previously in accumulated other income (loss) recognized upon fund liquidation		$ 0	$ 1,558,000	$ 0
Shares issued through ESPP (in shares)		34,423	20,928	17,941
Executive officers, certain key employees, and board of directors
Defined Benefit Plan Disclosure [Line Items]
Matching contributions to deferred compensation plan		$ 49,000	$ 162,000	$ 119,000
Discretionary contributions to deferred compensation plan		0	0	$ 0
Funded Plan | Defined benefit plan
Defined Benefit Plan Disclosure [Line Items]
United contributions to the plan	$ 4,900,000
Unrecognized losses previously in accumulated other income (loss) recognized upon fund liquidation			1,560,000
Pension plan settlement expense			1,380,000
Total settlement loss upon plan termination			2,940,000
Modified Retirement Plan | Unfunded Plan
Defined Benefit Plan Disclosure [Line Items]
United contributions to the plan		1,193,000	730,000
Estimated net loss to be amortized in next fiscal year		575,000
Estimated prior service costs to be amortized in next fiscal year		$ 469,000
Funded Plan | Funded Plan
Defined Benefit Plan Disclosure [Line Items]
United contributions to the plan			$ 4,898,000

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Benefit Plans - Weighted-average assumptions to determine pension benefit obligation (Details) - Modified Retirement Plan - Unfunded Plan	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Discount rate for disclosures (percent)	2.55%	3.25%
Discount rate for net periodic benefit cost (percent)	3.25%	4.40%

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Benefit Plans - Changes in obligations and plan assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Modified Retirement Plan | Unfunded Plan
Accumulated benefit obligation:
Accumulated benefit obligation - beginning of year	$ 25,105	$ 21,736
Service cost	588	392	$ 363
Interest cost	795	931	801
Plan amendments	0	386
Actuarial losses	1,804	2,390
Benefits paid	(1,193)	(730)
Accumulated benefit obligation - end of year	27,099	25,105	21,736
Change in plan assets, at fair value:
Beginning plan assets	0	0
Actual return	0	0
Employer contribution	1,193	730
Benefits paid	(1,193)	(730)
Plan assets - end of year	0	0	0
Funded status - end of year (plan assets less benefit obligations)	(27,099)	(25,105)
Funded Plan | Funded Plan
Accumulated benefit obligation:
Accumulated benefit obligation - beginning of year	0	16,011
Service cost		0	0
Interest cost		166	647
Plan amendments		0
Actuarial losses		1,489
Benefits paid		(17,666)
Accumulated benefit obligation - end of year		0	16,011
Change in plan assets, at fair value:
Beginning plan assets	$ 0	12,595
Actual return		173
Employer contribution		4,898
Benefits paid		(17,666)
Plan assets - end of year		0	$ 12,595
Funded status - end of year (plan assets less benefit obligations)		$ 0

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Benefit Plans - Components of net periodic benefit cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Modified Retirement Plan | Unfunded Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 588	$ 392	$ 363
Interest cost	795	931	801
Expected return on plan assets	0	0	0
Amortization of prior service cost	531	635	666
Amortization of net actuarial losses	326	59	241
Net periodic benefit cost	$ 2,240	2,017	2,071
Funded Plan | Funded Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost		0	0
Interest cost		166	647
Expected return on plan assets		(106)	(551)
Amortization of prior service cost		0	0
Amortization of net actuarial losses		0	0
Net periodic benefit cost		$ 60	$ 96

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Benefit Plans - Estimated future benefit payments expected to be paid (Details) - Modified Retirement Plan - Unfunded Plan $ in Thousands	Dec. 31, 2020 USD ($)
Defined Benefit Plan Disclosure [Line Items]
2021	$ 1,170
2022	1,165
2023	1,159
2024	1,152
2025	1,195
2026-2030	$ 7,675

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Regulatory Matters - Regulatory capital ratios and minimum amounts required (Details) $ in Thousands	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Risk-based ratios:
CET1 capital, Minimum	0.045
CET1 capital, Well Capitalized	0.065
CET1 capital	0.1231	0.1297
Tier 1 capital, Minimum	0.060
Tier 1 capital, Well Capitalized	0.080
Tier 1 capital	0.1310	0.1321
Total capital, Minimum	0.080
Total capital, Well Capitalized	0.100
Total capital	0.1515	0.1501
Tier 1 leverage ratio, Minimum	0.040
Tier 1 leverage ratio, Well Capitalized	0.050
Tier 1 leverage ratio	0.0928	0.1034
CET1 capital	$ 1,506,750	$ 1,275,148
Tier 1 capital	1,603,172	1,299,398
Total capital	1,854,368	1,476,302
RWAs	12,240,440	9,834,051
Average total assets	$ 17,276,853	$ 12,568,563
United Community Bank
Risk-based ratios:
CET1 capital	0.1331	0.1487
Tier 1 capital	0.1331	0.1487
Total capital	0.1428	0.1554
Tier 1 leverage ratio	0.0942	0.1163
CET1 capital	$ 1,625,292	$ 1,458,720
Tier 1 capital	1,625,292	1,458,720
Total capital	1,743,045	1,524,267
RWAs	12,207,940	9,810,477
Average total assets	$ 17,246,878	$ 12,545,254

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Regulatory Matters - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Regulatory Capital Requirements Under Banking Regulations [Abstract]
Cash dividend from Bank paid to Holding Company	$ 150	$ 0

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Commitments and Contingencies - Contractual amount of off-balance sheet instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Commitments to extend credit
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments	$ 3,052,657	$ 2,126,275
Letters of credit
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments	$ 31,748	$ 22,533

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Commitments and Contingencies - Narrative (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Investment in limited partnerships	$ 58,300
Commitment for additional fund	$ 9,810

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Condensed Financial Statements of United Community Banks, Inc. (Holding Company Only) - Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
ASSETS
Other assets	$ 226,405	$ 171,135
Total assets	17,794,374	12,916,016
LIABILITIES AND SHAREHOLDERS’ EQUITY
Long-term debt	326,956	212,664
Total liabilities	15,786,844	11,280,324
Shareholders’ equity	2,007,530	1,635,692	$ 1,457,554	$ 1,303,334
Total liabilities and shareholders’ equity	17,794,374	12,916,016
Holding Company
ASSETS
Cash and cash equivalents	289,243	32,495
Investment in bank	2,028,965	1,814,414
Investment in other subsidiaries	752	752
Other assets	34,661	29,308
Total assets	2,353,621	1,876,969
LIABILITIES AND SHAREHOLDERS’ EQUITY
Long-term debt	311,956	212,664
Other liabilities	34,135	28,613
Total liabilities	346,091	241,277
Shareholders’ equity	2,007,530	1,635,692
Total liabilities and shareholders’ equity	$ 2,353,621	$ 1,876,969

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Condensed Financial Statements of United Community Banks, Inc. (Holding Company Only) - Statements of Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Operations
Dividends from bank	$ 150,000	$ 0
Interest expense	56,237	83,312	$ 61,330
Income tax benefit	(45,356)	(52,991)	(49,815)
Net income	164,089	185,721	166,111
Holding Company
Statement of Operations
Dividends from bank	150,000	0	161,500
Dividends from other subsidiaries	0	4,651	850
Shared service fees from subsidiaries	13,020	14,721	10,257
Other	1,436	1,468	133
Total income	164,456	20,840	172,740
Interest expense	13,994	11,573	11,868
Other expense	16,473	18,965	14,456
Total expenses	30,467	30,538	26,324
Income tax benefit	2,681	8,711	1,640
Income (loss) before equity in undistributed earnings of subsidiaries	136,670	(987)	148,056
Equity in undistributed earnings of subsidiaries	27,419	186,708	18,055
Net income	$ 164,089	$ 185,721	$ 166,111

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Condensed Financial Statements of United Community Banks, Inc. (Holding Company Only) - Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating activities:
Net income	$ 164,089	$ 185,721	$ 166,111
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation	7,887	9,360	6,057
Changes in assets and liabilities:
Other assets	(20,139)	(45,789)	13,195
Net cash provided by operating activities	158,681	153,933	270,006
Investing activities:
Net cash received (paid) for acquisition	195,699	(19,545)	(56,800)
Purchases of premises and equipment	(18,462)	(20,944)	(17,617)
Net cash provided by (used in) investing activities	(1,580,563)	163,218	(359,475)
Financing activities:
Proceeds from issuance of Series I preferred stock, net of issuance costs	96,422	0	0
Cash paid for shares withheld to cover payroll taxes upon vesting of restricted stock units	(3,119)	(1,686)	(1,998)
Proceeds from issuance of common stock for dividend reinvestment and employee benefit plans	1,317	2,193	679
Proceeds from exercise of stock options	0	212	142
Repurchase of common stock	(20,782)	(13,020)	0
Cash dividends on preferred stock	(3,533)	0	0
Cash dividends on common stock	(58,912)	(53,044)	(41,634)
Net cash provided by (used in) financing activities	2,515,295	(129,210)	102,459
Net change in cash and cash equivalents, including restricted cash	1,093,413	187,941	12,990
Cash and cash equivalents, including restricted cash, at beginning of year	515,206	327,265	314,275
Cash and cash equivalents, including restricted cash, at end of year	1,608,619	515,206	327,265
Holding Company
Operating activities:
Net income	164,089	185,721	166,111
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in undistributed earnings of the subsidiaries	(27,419)	(186,708)	(18,055)
Stock-based compensation	7,887	9,360	6,057
Changes in assets and liabilities:
Other assets	(3,662)	(3,022)	1,777
Other liabilities	5,261	2,080	3,124
Net cash provided by operating activities	146,156	7,431	159,014
Investing activities:
Net cash received (paid) for acquisition	3,397	(52,093)	(84,499)
Purchases of premises and equipment	0	0	(364)
Purchases of debt securities available-for-sale and equity securities	(2,750)	(3,000)	(2,489)
Proceeds from sales and maturities of debt securities available-for-sale and equity securities	0	83	0
Net cash provided by (used in) investing activities	647	(55,010)	(87,352)
Financing activities:
Repayment of long-term debt	0	(250)	(7,424)
Proceeds from issuance of long-term debt, net of issuance costs	98,552	0	98,188
Proceeds from issuance of Series I preferred stock, net of issuance costs	96,422	0	0
Cash paid for shares withheld to cover payroll taxes upon vesting of restricted stock units	(3,119)	(1,686)	(1,998)
Proceeds from issuance of common stock for dividend reinvestment and employee benefit plans	1,317	2,193	679
Proceeds from exercise of stock options	0	212	142
Repurchase of common stock	(20,782)	(13,020)	0
Cash dividends on preferred stock	3,533	0	0
Cash dividends on common stock	(58,912)	(53,044)	(41,634)
Net cash provided by (used in) financing activities	109,945	(65,595)	47,953
Net change in cash and cash equivalents, including restricted cash	256,748	(113,174)	119,615
Cash and cash equivalents, including restricted cash, at beginning of year	32,495	145,669	26,054
Cash and cash equivalents, including restricted cash, at end of year	$ 289,243	$ 32,495	$ 145,669

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Subsequent Events (Details) - $ / shares		12 Months Ended
	Feb. 18, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Subsequent Event [Line Items]
Cash dividend declared per common share (in dollars per share)		$ 0.72	$ 0.68	$ 0.58
Subsequent Event
Subsequent Event [Line Items]
Dividend date declared	Feb. 18, 2021
Subsequent Event | Common stock, par value $1 per share
Subsequent Event [Line Items]
Cash dividend declared per common share (in dollars per share)	$ 0.19
Dividend payable date	Apr. 05, 2021
Dividend date of record	Mar. 15, 2021
Subsequent Event | Series I perpetual non-cumulative preferred stock
Subsequent Event [Line Items]
Preferred stock dividend per preferred share (in dollars per share)	$ 429.6875
Dividend payable date	Mar. 15, 2021
Dividend date of record	Feb. 28, 2021
Subsequent Event | Depositary share on Series I perpetual non-cumulative preferred stock
Subsequent Event [Line Items]
Preferred stock dividend per preferred share (in dollars per share)	$ 0.4296875