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, 2017.

OR

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

Commission file number 0-13089

Hancock Holding Company

(Exact name of registrant as specified in its charter)

Mississippi	64-0693170
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification Number)

One Hancock Plaza, 2510 14th Street, Gulfport, Mississippi	39501	(228) 868-4727
(Address of principal executive offices)	(Zip Code)	Registrant’s telephone number, including area code

Securities registered pursuant to Section 12(b) of the Act:

(Title of Class)	(Name of Exchange on Which Registered)
COMMON STOCK, $3.33 PAR VALUE	The NASDAQ Stock Market, LLC

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 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 and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  ☒    No  ☐

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.  ☒

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, or a non-accelerated filer. See definition of “accelerated filer and large accelerated filer” in Rule 12b-2 of the Exchange Act. (Check One):

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 is a shell company (as defined in Rule 12b-2 of the Act).    Yes  ☐    No  ☒

The aggregate market value of the voting stock held by nonaffiliates of the registrant as of February 23, 2018 was $4.1 billion based upon the closing market price on NASDAQ on June 30, 2017. For purposes of this calculation only, shares held by nonaffiliates are deemed to consist of (a) shares held by all shareholders other than directors and executive officers of the registrant plus (b) shares held by directors and officers as to which beneficial ownership has been disclaimed.

On January 31, 2018, the registrant had 85,253,113 shares of common stock outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the definitive proxy statement for our annual meeting of shareholders to be filed with the Securities and Exchange Commission (“SEC” or “The Commission”) are incorporated by reference into Part III of this Report.

Hancock Holding Company

Form 10-K

Index

PART I
ITEM 1.	BUSINESS	3
ITEM 1A.	RISK FACTORS	17
ITEM 1B.	UNRESOLVED STAFF COMMENTS	27
ITEM 2.	PROPERTIES	27
ITEM 3.	LEGAL PROCEEDINGS	27
ITEM 4.	MINE SAFETY DISCLOSURES	27
PART II
ITEM 5.	MARKET FOR THE REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES	28
ITEM 6.	SELECTED FINANCIAL DATA	31
ITEM 7.	MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS	35
ITEM 7A.	QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK	68
ITEM 8.	FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA	69
ITEM 9.	CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE	127
ITEM 9A.	CONTROLS AND PROCEDURES	127
ITEM 9B.	OTHER INFORMATION	127
PART III
ITEM 10.	DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE	128
ITEM 11.	EXECUTIVE COMPENSATION	128
ITEM 12.	SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS	128
ITEM 13.	CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE	128
ITEM 14.	PRINCIPAL ACCOUNTANT FEES AND SERVICES	128
PART IV
ITEM 15.	EXHIBITS, FINANCIAL STATEMENT SCHEDULES	128
ITEM 16	FORM 10-K SUMMARY	133

Hancock Holding Company

Glossary of Defined Terms

ALCO – Hancock’s Asset Liability Management Committee

AOCI – accumulated other comprehensive income or loss

ALLL – allowance for loan and lease losses

AMT – Alternative Minimum Tax

ASC – Accounting Standards Codification

ATM - automatic teller machine

Bank – Whitney Bank

Basel II - Basel Committee's 2004 Regulatory Capital Framework (Second Accord)

Basel III - Basel Committee's 2010 Regulatory Capital Framework (Third Accord)

Basel Committee - Basel Committee on Banking Supervision

BSA – Bank Secrecy Act

bp(s) – basis point(s)

C&I – commercial and industrial loans

CD – certificate of deposit

CDE – Community Development Entity

CEO – Chief Executive Officer

CET1 – common equity tier 1 capital as defined by Basel III capital rules

CFO – Chief Financial Officer

CFPB – Consumer Finance Protection Bureau

COSO – Committee of Sponsoring Organizations of the Treadway Commission

CMO – Collateralized Mortgage Obligation

Company – Hancock Holding Company and its wholly-owned subsidiaries

CRA – Community Reinvestment Act of 1977

CRE – commercial real estate

DIF – Deposit Insurance Fund

Dodd-Frank Act – The Dodd-Frank Wall Street Reform and Consumer Protection Act

EITF – Emerging Issues Task Force

FASB – Financial Accounting Standards Board

FDIC – Federal Deposit Insurance Corporation

FDICIA – Federal Deposit Insurance Corporation Improvement Act of 1991

Federal Reserve Bank – The 12 banks that are the operating arms of the U.S. central bank. They implement the

policies of the Federal Reserve Board and also conduct economic research.

Federal Reserve Board – The 7-member Board of Governors that oversees the Federal Reserve System, establishes

monetary policy (interest rates, credit, etc.), and monitors the economic health of the country. Its members are appointed

by the President subject to Senate confirmation, and serve 14-year terms.

Federal Reserve System – The 12 Federal Reserve Banks, with each one serving member banks in its own district.

This system, supervised by the Federal Reserve Board, has broad regulatory powers over the money supply and the

credit structure.

FFIEC – Federal Financial Institutions Examination Council

FHA – Federal Housing Administration

FHLB – Federal Home Loan Bank

FNBC or First NBC – The former New Orleans, Louisiana-based First NBC Bank that failed on April 28, 2017

FNBC I – Transaction in which the Company acquired selected assets and liabilities from FNBC under agreement dated March 10, 2017

FNBC II – Transaction in which the Company acquired selected assets and liabilities from the FDIC as receiver for FNBC under agreement dated April 28, 2017

GAAP – Generally Accepted Accounting Principles in the United States of America

Hancock – Hancock Holding Company

Hancock Bank – Whitney Bank does business as Hancock Bank in Mississippi, Alabama, and Florida

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HBHC – ticker symbol for Hancock Holding Company

IRS – Internal Revenue Service

LIBOR – London Interbank Offered Rate

LIHTC – Low Income Housing Tax Credit

LTIP – long-term incentive plan

MBS – mortgage-backed securities

MD&A – management’s discussion and analysis of financial condition and results of operations

MDBCF – Mississippi Department of Banking and Consumer Finance

NAICS – North American Industry Classification System

n/m – not meaningful

NSF – non-sufficient funds

OCI – other comprehensive income

OD - Overdraft

ORE – other real estate

Parent Company – Hancock Holding Company

PPNR – pre-provision net revenue

SEC – U.S. Securities and Exchange Commission

Securities Act – Securities Act of 1933, as amended

Tax Act – Tax Cuts and Jobs Act of 2017

TDR – troubled debt restructuring (as defined in ASC 310-40)

te – taxable equivalent adjustment

USA Patriot – Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism Act of      2001

U.S. Treasury – The United States Department of the Treasury

Volcker Rule – section 619 of the Dodd-Frank Act and regulations promulgated thereunder, as applicable

Whitney Bank – wholly-owned subsidiary of Hancock Holding Company, through which Hancock conducts its banking operations

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PART I

FORWARD-LOOKING STATEMENTS

This report contains forward-looking statements within the meaning and protections of section 27A of the Securities Act of 1933, as amended, and section 21E of the Securities Exchange Act of 1934, as amended.  Important factors that could cause actual results to differ materially from the forward-looking statements we make in this annual report are set forth in this Annual Report on Form 10-K and in other reports or documents that we file from time to time with the SEC and include, but are not limited to, the following:

· balance sheet and revenue growth expectations;

· the provision for loans losses, management’s predictions about charge-offs of loans, including energy-related credits, the impact of changes in oil and gas prices on our energy portfolio, and the downstream impact on businesses that support the energy sector, especially in the Gulf Coast region;

· the impact of the FNBC and Capital One transactions or future business combinations on our performance and financial condition including our ability to successfully integrate the businesses;

· deposit trends;

· credit quality trends;

· net interest margin trends;

· future expense levels;

· success of revenue-generating initiatives;

· the effectiveness of derivative financial instruments and hedging activities to manage risks;

· projected tax rates;

· future profitability;

· changes in interest rates;

· improvements in expense to revenue (efficiency) ratio;

· purchase accounting impacts such as accretion levels;

· possible repurchases of shares under stock buyback programs;

· impact of tax reform; and

· financial impact of regulatory requirements. 

Also, any statement that does not describe historical or current facts is a forward-looking statement. These statements often include the words “believes,” “expects,” “anticipates,” “estimates,” “intends,” “plans,” “forecast,” “goals,” “targets,” “initiatives,” “focus,” “potentially,” “probably,” “projects,” “outlook” or similar expressions or future conditional verbs such as “may,” “will,” “should,” “would,” and “could.” Forward-looking statements are based upon the current beliefs and expectations of management and on information currently available to management. Our statements speak as of the date hereof, and we do not assume any obligation to update these statements or to update the reasons why actual results could differ from those contained in such statements in light of new information or future events.  Factors that could cause actual results to differ from those expressed in the Company’s forward-looking statements include, but are not limited to, those risk factors outlined in Item 1A. “Risk Factors.”

You are cautioned not to place undue reliance on these forward-looking statements. We do not intend, and undertake no obligation, to update or revise any forward-looking statements, whether as a result of differences in actual results, changes in assumptions or changes in other factors affecting such statements, except as required by law.

ITEM 1.       BUSINESS

ORGANIZATION AND RECENT DEVELOPMENTS

Hancock Holding Company (which we refer to as “Hancock” or the “Company”) is a financial services company organized in 1984 as a bank holding company registered under the Bank Holding Company Act of 1956, as amended. In 2002, the Company qualified as a financial holding company, giving it broader powers to engage in financial activities. The corporate headquarters of the Company is located in Gulfport, Mississippi. The Company provides a comprehensive network of full service financial choices to the Gulf South region through its bank subsidiary, Whitney Bank (the “Bank”), a Mississippi state bank. Whitney Bank operates under two century-old brands: “Hancock Bank” in Mississippi, Alabama and Florida and “Whitney Bank” in Louisiana and Texas. Whitney Bank also operates a loan production office in Nashville, Tennessee under both the Hancock and Whitney Bank brands. In May 2018, we plan to consolidate our two iconic brands, subject to necessary approvals, and operate the financial holding company and the Bank as Hancock Whitney Corporation and Hancock Whitney Bank, respectively. This decision highlights our respect for the legacy of two grand old banks, which have come together to serve clients in the Gulf South region and to grow shareholder value.

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Following the Whitney Holding Corporation acquisition in 2011, our growthwas mostly organic through the expansion of products that are targeted across the Company’s footprint.  Additionally, we opened a loan production office in Nashville, Tennessee to further expand our lending footprint.  In the first half of 2017, we completed two transactions in which we acquired certain assets and assumed certain liabilities of the former New Orleans, Louisiana based First NBC Bank (“FNBC”). These transactions added approximately $1.4 billion of loans and $1.9 billion in deposits. In December 2017, we entered into an agreement to acquire the bank-managed high net worth individual and institutional investment management and trust business of Capital One, National Association (“Capital One”). The transaction is expected to close late in the second quarter of 2018, subject to regulatory approvals and other customary conditions.  The combination is expected to bring assets under administration and assets under management to approximately $26 billion and $10 billion, respectively, and produce combined annual revenue of $70 to75 million.  

At December 31, 2017 our balance sheet grew to $27.3 billion, with loans totaling $19.0billion and deposits totaling $22.3 billion, and we had3,887 employees on a full time equivalent basis. 

NATURE OF BUSINESS AND MARKETS

The Bank operates across the Gulf South region comprised of southern Mississippi; southern and central Alabama; southern Louisiana; the northern, central, and panhandle regions of Florida; Houston, Texas; and Nashville, Tennessee. The Bank offers a broad range of traditional and online community banking services to commercial, small business and retail customers, providing a variety of transaction and savings deposit products, treasury management services, investment brokerage services, secured and unsecured loan products (including revolving credit facilities), and letters of credit and similar financial guarantees. The Bank also provides trust and investment management services to retirement plans, corporations and individuals.

We also offer other services through nonbank subsidiaries. Hancock Investment Services, Inc. provides discount investment brokerage services, annuity and life insurance products and participates in select underwriting transactions, primarily for banking clients with which we have an existing relationship. Harrison Finance Company provides consumer financing services. Whitney Equipment Finance, LLC and Whitney Equipment Finance and Leasing, LLC, provide commercial finance products to middle market and corporate clients, including loans, leases and related structures. We also have several special purpose subsidiaries to facilitate investment in new market tax credit activities and others that operate and sell certain foreclosed assets. Total revenue from nonbank subsidiaries accounted for less than 10% of our consolidated revenue in 2017.

Our operating strategy is to provide customers with the financial sophistication and range of products of a regional bank, while successfully retaining the commercial appeal and level of service of a community bank. Our size and scale enables us to attract and retain high quality employees, whom we refer to as associates, who are focused on executing this strategy.

The main industries along the Gulf Coast are energy and related service industries, military and government related facilities, educational and medical complexes, petrochemical industries, port facility activities and transportation and related industries, tourism and related service industries, and the gaming industry. As a result of stress in the energy sector, we have been reducing our overall concentration in that industry while continuing to grow in other areas, creating a more diversified loan portfolio.

Our priority is to grow core revenue in our existing markets, while controlling expenses. We have invested in promoting new and enhanced products that contribute to the goals of continuing to diversify our sources of revenue and increasing core deposit funding.  The FNBC transactions strengthened our position in the greater New Orleans area, where we already hold one of the top market shares.  Our anticipated acquisition of Capital One’s trust and investment management business is expected to position us to become a Top 50 trust firm (by revenue) in the United States. We will continue to evaluate future acquisition opportunities that have the potential to increase shareholder value, provided overall economic conditions and our capital levels support such a transaction. We remain focused on maintaining two hallmarks of our past culture: a strong balance sheet and a commitment to excellent credit quality.

Additional information regarding the Company and the Bank is available at https://www.hancockwhitney.com using the link titled Investor Relations.

Loan Production, Underwriting Standards and Credit Review

The Bank’s primary lending focus is to provide commercial, consumer and real estate loans to consumers, to small and middle market businesses, and to corporate clients in the markets served by the Bank. We seek to provide quality loan products that are attractive to the borrower and profitable to the Bank. We look to build strong, profitable client relationships over time and maintain a strong presence and position of influence in the communities we serve. Through our relationship-based approach we have developed a deep knowledge of our customers and the markets in which they operate. We continually work to ensure consistency of the lending processes across our banking footprint, to strengthen the underwriting criteria we employ to evaluate new loans and loan renewals, and to diversify our loan portfolio in terms of type, industry and geographical concentration. We believe that these measures position the Bank to meet the credit needs of businesses and consumers in the markets we servewhile pursuing a balanced strategy of loan profitability, growth, andcredit quality.

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The following describes the underwriting procedures of the lending function and presents our principal categories of loans. The results of our lending activities and the relative risk of the loan portfolio are discussed in Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations.”

The Bank has a set of loan policies, underwriting standards and key underwriting functions designed to achieve a consistent lending and credit review approach. Our underwriting standards address the following criteria:  

· collateral requirements;

· guarantor requirements (including policies on financial statements, tax returns, and guarantees);

· requirements regarding appraisals and their review;

· loan approval hierarchy;

· standard consumer and small business credit scoring underwriting criteria (including credit score thresholds, maximum maturity and amortization, loan-to-value limits, global debt service coverage, and debt to income limits);

· commercial real estate and commercial and industrial underwriting guidelines (including minimum debt service coverage ratio, maximum amortization, minimum equity requirements, maximum loan-to-value ratios);

· lending limits; and

· credit approval authorities.

Additionally,our loan concentration policy sets limits and manages our exposures within specified concentration tolerances, including those to particular borrowers, foreign entities, industries, and property types for commercial real estate. This policy sets standards for portfolio risk management and reporting, the monitoring of large borrower concentration limits and systematic tracking of large commercial loans and our portfolio mix. We continually monitor our concentration of commercial real estate and energy-related loans to ensure the mix is consistent with our risk tolerance. We define concentration as the total of funded and unfunded commitments as a percentage of total Bank capital (as defined for risk-based capital ratios). Portfolio segment concentrations (shown as a percentage of risk-based capital) as of December 31, 2017 are as follows:

Portfolio Segment Concentrations

· Commercial non-real estate— 487%

· Commercial real estate - owner occupied — 118%

· Non-owner occupied commercial real estate — 169%

· Residential mortgage — 112%

· Consumer real estate secured — 87%

· Consumer other — 50%

The following details the more significant industry concentrations for commercial non-real estate and owner occupied real estate included above (shown as a percentage of risk-based capital) as of December 31, 2017:

Significant Industry Concentrations

· Mining, oil and gas — 65%

· Manufacturing — 55%

· Healthcare and social service — 53%

· Retail trade – 44%

· Real estate — 50%

· Construction — 46%

· Finance and insurance — 38%

· Wholesale trade – 36%

· Government, public administration – 35%

· Transportation and warehousing — 33%

· Professional, scientific and technology services — 27%

· Education – 24%

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Our underwriting process is structured to require oversight that is proportional to the size and complexity of the lending relationship. We delegate designated regional managers, relationship managers, and credit officers loan authority that can be utilized to approve credit commitments for a single borrowing relationship. The limit of delegated authority is based upon the experience, skill, and training of the relationship manager or credit officer. Certain types and sizes of loans and relationships must be approved by either one of the Bank’s centralized underwriting units or by Regional or Senior Regional Commercial Credit Officers, either individually or jointly with the Chief Credit Officer of the Bank, depending upon the overall size of the borrowing relationship.  

Loans are underwritten in accordance with the underwriting standards and loan policies of the Bank. Loans are underwritten primarily on the basis of the borrower’s ability to make timely debt service payments, and secondarily on collateral value. Generally, real estate secured loans and mortgage loans are made when the borrower produces evidence of the ability to make timely debt service payments along with appropriate equity investment in the property. Appropriate and regulatory compliant third party valuations are required at the time of origination for real estate secured loans.

The following briefly describes the composition of our loan portfolio by segment:

Commercial and industrial

The Bank offers a variety of commercial loan services to a diversified customer base over a range of industries, including energy, wholesale and retail trade in various durable and nondurable products, manufacturing of such products, marine transportation and maritime construction, financial and professional services, healthcare services, and agricultural production. Commercial and industrial loans are made available to businesses for working capital (including financing of inventory and receivables), business expansion, to facilitate the acquisition of a business, and the purchase of equipment and machinery, including equipment leasing. These loans are underwritten primarily based on the identified cash flows of the borrower and, when secured, have the added strength of the underlying collateral.

Commercial non-real estate loans may be secured by the assets being financed or other tangible or intangible business assets such as accounts receivable, inventory, ownership, enterprise value, or commodity interests, and may incorporate a personal or corporate guarantee; however, some short-term loans may be made on an unsecured basis, including a small portfolio of corporate credit cards, generally issued as a part of overall customer relationships.  Asset-based loans, such as accounts receivables and commodity interest secured loans, may have limits on borrowing that are based on the collateral values.  In the case of loans secured by accounts receivable, the availability of funds for the repayment of these loans may be substantially dependent on the ability of the borrower to collect amounts due from its customers.

The commercial non-real estate loan portfolio includes the majority of our energy-based lending, which totaled $1.1 billion, or 5.6%, of total loans at December 31, 2017. Industry conditions across the energy sector began to deteriorate in late 2014 and continue to reflect elevated risk. We have responded by gradually reducing overall energy-related loan concentration since the start of the energy cycle, working toward a target of about 5% of total loans.  

Commercial real estate – owner occupied loans consist of commercial mortgages on properties where repayment is generally dependent on the cash flow from the ongoing operations and activities of the borrower.  Like commercial non-real estate, these loans are primarily made based on the identified cash flows of the borrower, but also have the added strength of the value of underlying real estate collateral.  

Commercial real estate – income producing

Commercial real estate – income producing loans consist of loans secured by commercial mortgages on properties where the loan is made to real estate developers or investors and repayment is dependent on the sale, refinance, or income generated from the operation of the property.  Properties financed include retail, office, multifamily, senior housing, hotel/motel, skilled nursing facilities and other commercial properties. 

Repayment of commercial real estate – income producing loans is generally dependent on the successful operation of the property securing the loan. Commercial real estate loans may be adversely affected by conditions in the real estate markets or in the general economy. The properties securing the Bank’s commercial real estate – income producing portfolios are diverse in terms of type and geographic location. We monitor and evaluate these loans based on collateral, geography and risk grade criteria. This portfolio has experienced minimal losses in the last few years; however, past experience has shown that commercial real estate conditions can be volatile, so we actively monitor concentrations within this portfolio segment. 

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Construction and land development

Construction and land development loans are made to facilitate the acquisition, development, improvement and construction of both commercial and residential-purpose properties.  Such loans are made to builders and investors where repayment is expected to be made from the sale, refinance or operation of the property or to businesses to be used in their business operations. 

Acquisition and development loans are underwritten utilizing feasibility studies, independent appraisal reviews, sensitivity analysis of real estate absorption and lease rates, and financial analysis of the developers and property owners. Construction loans are generally based upon cost estimates, the amount of sponsor equity investment, and the projected value of the completed project. The Bank monitors the construction process to mitigate or identify risks as they arise. Construction loans often involve the disbursement of substantial funds with repayment largely dependent on the success of the ultimate project. Sources of repayment for these types of construction loans may be pre-committed permanent loans from approved long-term lenders, sales of developed property, or an interim loan commitment from the Bank until permanent financing is obtained. These loans are typically closely monitored by on-site inspections and are considered to have higher risks than other real estate loans due to their ultimate repayment being sensitive to interest rate changes, governmental regulation of real property, general economic conditions, and the availability of long-term financing to repay the construction loan in full.

Owner occupied loans for the development and improvement of real property to commercial customers to be used in their business operations are underwritten subject to normal commercial and industrial credit standards and are generally subject to project tracking processes, similar to those required for the non-owner occupied loans.

This portfolio also includes a small amount of residential construction loans and loans secured by raw land not yet under development.

Residential Mortgages

Residential mortgages consist of closed-end loans secured by first liens on 1- 4 family residential properties. The portfolio includes both fixed and adjustable rate loans, although most longer-term, fixed-rate loans originated are sold in the secondary mortgage market.  The sale of fixed-rate mortgage loans allows the Bank to manage the interest rate risks related to such lending operations.

Consumer

Consumer loans include second lien mortgage home loans, home equity lines of credit and nonresidential consumer purpose loans. Nonresidential consumer loans include both direct and indirect loans.   Direct nonresidential consumer loans are made to finance the purchase of personal property, including automobiles, recreational vehicles and boats, and for other personal purposes (secured and unsecured), and deposit account secured loans. Indirect nonresidential loans include automobile financing provided to the consumer through an agreement with automobile dealerships.  Consumer loans also include a small portfolio of credit card receivables issued on the basis of applications received through referrals from the Bank’s branches, online and other marketing efforts.    

The Bank approves consumer loans based on income and financial information submitted by prospective borrowers as well as credit reports collected from various credit agencies. Financial stability and credit history of the borrower are the primary factors the Bank considers in granting such loans. The availability of collateral is also a factor considered in making such loans. Preference is also given to borrowers in the Bank’s primary market areas.

A small consumer finance portfolio is maintained by Harrison Finance Company, one of our nonbank subsidiaries. The portfolio has a higher credit risk profile than the Bank’s consumer portfolio, but carries a higher yield.

Securities Portfolio

Our investment portfolio primarily consists of U.S. agency debt securities, U.S. agency mortgage-related securities and obligations of states and municipalities classified as either available for sale or held to maturity. We consider the available for sale portfolio as one of many sources of liquidity available to fund our operations. Investments are made in accordance with an investment policy approved by the Board Risk Committee.  Company policies generally limit investments to agency securities and municipal securities determined to be investment grade according to an internally generated score, which generally includes a rating of not less than “Baa” or its equivalent by a nationally recognized statistical rating agency.  The investment portfolio is tested monthly under multiple stressed interest rate scenarios, the results of which are used to manage our interest rate risk position. The rate scenarios include regulatory and management agreed upon instantaneous and ramped rate movements that may be up to plus 500 basis points. The combined portfolio has a target effective duration of two to five years.  

We also utilize a significant portion of the securities portfolio to secure certain deposits and other liabilities requiring collateralization. However, to maintain an adequate level of liquidity, we limit the percentage of securities that can be pledged in order to keep a portion

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of securities available for sale. The securities portfolio can also be pledged to increase our line of credit available at the Federal Home Loan Bank (FHLB) of Dallas, although we have not had to do so historically.  

The investments subcommittee of the asset/liability committee (ALCO) is responsible for the oversight, monitoring and management of the investment portfolio. The investments subcommittee is also responsible for the development of investment strategies for the consideration and approval of ALCO. Final authority and responsibility for all aspects of the conduct of investment activities rests with the Board Risk Committee, all in accordance with the overall guidance and limitations of the investment policy. See Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations-Enterprise Risk Management,” for further discussion.

Deposits

The Bank has several programs designed to attract deposit accounts from consumers and businesses at interest rates generally consistent with market conditions. Deposits are the most significant funding source for the Company’s interest-earning assets. Deposits are attracted principally from clients within our retail branch network through the offering of a broad array of deposit products to individuals and businesses, including noninterest-bearing demand deposit accounts, interest-bearing transaction accounts, savings accounts, money market deposit accounts, and time deposit accounts. Terms vary among deposit products with respect to commitment periods, minimum balances, and applicable fees. Interest paid on deposits represents the largest component of our interest expense. Interest rates offered on interest-bearing deposits are determined based on a number of factors, including, but not limited to, (1) interest rates offered in local markets by competitors, (2) current and expected economic conditions, (3) anticipated future interest rates, (4) the expected amount and timing of funding needs, and (5) the availability and cost of alternative funding sources. Deposit flows are controlled by the Bank primarily through pricing, and to a lesser extent, through promotional activities. Management believes that the rates that it offers on deposit accounts are generally competitive with other financial institutions in the Bank’s respective market areas. Client deposits are attractive sources of funding because of their stability and low relative cost. Deposits are regarded as an important part of the overall client relationship.

The Bank also holds deposits of public entities. The Bank’s strategy for acquiring public funds, as with any type of deposit, is determined by ALCO’s funding and liquidity subcommittee while pricing decisions are determined by ALCO’s deposit pricing subcommittee. Typically, many public fund deposits are allocated based upon the rate of interest offered and the ability of a bank to provide collateralization. The Bank can influence the level of its public fund deposits through pricing decisions. Public deposits typically require the pledging of collateral, most commonly marketable securities and Federal Home Loan Bank letters of credit. This is taken into account when determining the level of interest to be paid on public deposits. The pledging of collateral, monitoring and management reporting represents additional operational requirements for the Bank. Public fund deposits are more volatile than other core deposits because they tend to be price sensitive and have high balances. Public funds are only one of many possible sources of liquidity that the Bank has available to draw upon as part of its liquidity funding strategy as set by ALCO.

Total deposits at December 31, 2017 included $820 million of brokered deposits, or less than 4% of total deposits. Brokered deposits represent funds which the Bank obtains through deposit brokers who sell participations in a given bank deposit account or instrument to one or more investors. These brokered deposits are fully insured by the FDIC because they are participated out by the deposit broker in shares of $250,000 or less. These brokered deposits issuances were approved by ALCO as one component of its funding strategy to support ongoing asset growth until such time as customer deposit growth ultimately replaces the brokered deposits. Under the Federal Deposit Insurance Corporation Improvement Act of 1991 (“FDICIA”), the Bank may continue to accept brokered deposits as long as it is either “well-capitalized” or “adequately-capitalized.”

Trust Services

The Bank, through its trust department, offers a full range of trust services on a fee basis. In its trust capacities, the Bank provides investment management services on an agency basis and acts as trustee for pension plans, profit sharing plans, corporate and municipal bond issues, living trusts, life insurance trusts and various other types of trusts created by or for individuals, businesses, and charitable and religious organizations. As of December 31, 2017, the trust department of the Bank had approximately $15.5 billion of assets under administration compared to $15.1 billion as of December 31, 2016.  As of December 31, 2017, administered assets include investment management and investment advisory agency accounts totaling $4.0 billion, corporate trust accounts totaling $4.2 billion, and the remaining balances were personal, employee benefit, estate and other trust accounts.  Trust operations are expected to expand with the pending acquisition of the bank-managed high net worth individual and institutional investment management and trust business from Capital One, announced in December 2017 and expected to close in second quarter of 2018, pending regulatory approval. The transaction provides an opportunity to become a top 50 trust firm by revenue in the United States.

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COMPETITION

The financial services industry is highly competitive in our market area. The principal competitive factors in the markets for deposits and loans are interest rates and fee structures associated with the various products offered. We also compete through the efficiency, quality, and range of services and products we provide, as well as the convenience provided by an extensive network of customer access channels including local branch offices, ATMs, online and mobile banking, and telebanking centers. In attracting deposits and in our lending activities, we generally compete with other commercial banks, savings associations, credit unions, mortgage banking firms, consumer finance companies, securities brokerage firms, mutual funds and insurance companies, and other financial and non-financial institutions offering similar products.  

AVAILABLE INFORMATION

We make available free of charge, on or through our investor relations website www.hancockwhitney.com/investors, our Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K, and other filings pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934, and amendments to such filings, as soon as reasonably practicable after each is electronically filed with, or furnished to, the SEC. You may read and copy any materials we file with the SEC at the SEC’s Public Reference Room at 100 F Street, N.E., Washington, DC 20549. Information on the operation of the Public Reference Room may be obtained by calling the Commission at 1-800-SEC-0330. The SEC maintains a website that contains the Company’s reports, proxy statements, and the Company’s other SEC filings. The address of the SEC’s website is www.sec.gov. Information appearing on the Company’s website is not part of any report that it files with the SEC.

Also available on our investor relations website are our corporate governance documents, including Corporate Governance Guidelines, Code of Business Ethics for Officers and Associates, Whistleblower Policy, Code of Ethics for Financial Officers, Code of Ethics for Directors and Committee Charting.  These documents are also available in print to any stockholder who requests a copy.

SUPERVISION AND REGULATION

Bank holding companies and banks are extensively regulated under federal and state law.  This discussion is a summary and is qualified in its entirety by reference to the particular statutory and regulatory provisions described below and is not intended to be an exhaustive description of the statutes or regulations applicable to the Company or the Bank.

Changes in laws and regulations may alter the structure, regulation and competitive relationships of financial institutions. It cannot be predicted whether and in what form new laws and regulations may be adopted or the extent to which the business of the Company and the Bank may be affected thereby.

Supervision, regulation, and examination of the Company, the Bank, and our respective subsidiaries by the Federal Reserve and regulatory agencies, as described herein, are intended primarily for the protection of consumers, bank depositors and the Deposit Insurance Fund of the FDIC, rather than holders of our capital stock. 

Bank Holding Company Regulation

The Company is subject to extensive supervision and regulation by the Board of Governors of the Federal Reserve System (the “Federal Reserve”) pursuant to the Bank Holding Company Act of 1956, as amended (the “Bank Holding Company Act”). We are required to file with the Federal Reserve periodic reports and such other information as the Federal Reserve may request.  Ongoing supervision is provided through regular examinations by the Federal Reserve and other means that allow the regulators to gauge management’s ability to identify, assess and control risk in all areas of operations in a safe and sound manner and to ensure compliance with laws and regulations. The Federal Reserve may also examine our non-bank subsidiaries. In addition to regulation by the Federal Reserve as a bank holding company, the Company is subject to regulation by the State of Mississippi under its general business corporation laws.

The Company is registered with the Federal Reserve as a bank holding company and has elected to be treated as a financial holding company under the Bank Holding Company Act. Under Federal Reserve policy and federal law, bank holding companies are expected to act as a source of financial and managerial strength to their bank subsidiaries in situations where additional investments in a troubled bank may not otherwise be warranted.  Bank holding companies generally are limited to the business of banking, managing or controlling banks, and other activities that the Federal Reserve determines to be closely related to banking, or managing or controlling banks as to be a proper incident thereto. Bank holding companies are prohibited from acquiring or obtaining control of more than five percent (5%) of the voting interests of any company that engages in activities other than those activities determined by the Federal Reserve to be so closely related to banking or managing or controlling banks as to be properly incident thereto. Examples of activities that the Federal Reserve has determined to be permissible are making, acquiring, brokering, or servicing loans; leasing personal property; providing certain investment or financial advice; performing certain data processing services; acting as agent or broker in selling credit life insurance and other insurance products in certain locations; and performing certain insurance underwriting

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activities. The Bank Holding Company Act does not place geographic limits on permissible non-banking activities of bank holding companies. Even with respect to permissible activities, however, the Federal Reserve has the power to order a holding company or its subsidiaries to terminate any activity or its control of any subsidiary when the Federal Reserve has reasonable cause to believe that continuation of such activity or control of such subsidiary would pose a serious risk to the financial safety, soundness or stability of any bank subsidiary of that holding company.

The Gramm-Leach-Bliley Act of 1999 (the “GLB Act”) substantially revised the statutory restrictions separating banking activities from certain other financial activities, and established a comprehensive framework that permits affiliations among qualified bank holding companies, commercial banks, insurance companies, securities firms, and other financial service providers by revising and expanding the Bank Holding Company Act framework to permit a holding company to engage in a full range of financial activities through a financial holding company. Under the GLB Act, bank holding companies that are “well-capitalized” and “well-managed”, as defined in Federal Reserve Regulation Y, which have and maintain “satisfactory” ratings under the Community Reinvestment Act of 1977, as amended (the “CRA”), and meet certain other conditions, can elect to become “financial holding companies.”  Financial holding companies, like the Company, and their subsidiaries are permitted to acquire or engage in activities such as insurance underwriting, securities underwriting, a broad range of insurance agency activities, merchant banking, and other activities that the Federal Reserve determines to be financial in nature or complementary thereto. 

The Bank Holding Company Act requires every bank holding company to obtain the prior approval of the Federal Reserve or waiver of such prior approval before it: (1) acquires ownership or control of any voting shares of any bank if, after such acquisition, such bank holding company will own or control more than five percent (5%) of the voting shares of such bank, (2) acquires all of the assets of a bank, (3) merges with any other bank holding company, or (4) engages in permissible non-banking activities. In reviewing a proposed covered acquisition, among other factors, the Federal Reserve considers a bank holding company’s financial and managerial resources, the competitive effects of the transaction, the future prospects of the companies and banks concerned, and the convenience and needs of the communities to be served. The Federal Reserve also reviews any indebtedness to be incurred by a bank holding company in connection with a proposed acquisition to ensure that the bank holding company can service such indebtedness without adversely affecting its ability to serve as a source of strength to its bank subsidiaries.

The Riegle-Neal Interstate Banking and Branching Efficiency Act of 1994 (the “Riegle-Neal Act”) permits adequately capitalized and managed bank holding companies to acquire control of banks in any state, subject to federal regulatory approval, without regard to whether such a transaction is prohibited by the laws of any state. However, the Riegle-Neal Act further provides that a bank holding company may not, following an interstate acquisition, control more than 10% of nationwide insured deposits or 30% of deposits within any state in which the acquiring bank operates. States have the right to lower the 30% limit, although no states within the Company’s current market area have done so. Additional provisions of the Riegle-Neal Act require that interstate activities conform to the Community Reinvestment Act, which is intended to encourage depository institutions to help address the credit needs of the communities in which they operate, including low-and moderate-income neighborhoods, consistent with safe and sound operations.

Further, a bank holding company and its subsidiaries are prohibited from engaging in certain tying arrangements in connection with extensions of credit, leases or sales of property, or furnishing of services.

Capital Requirements

The Federal Reserve has adopted capital adequacy guidelines for bank holding companies that are particularly important in the Federal Reserve’s evaluation of its overall safety and soundness, and are an important factor considered by the Federal Reserve in evaluating any applications made by such holding company to the Federal Reserve. If regulatory capital falls below minimum levels, a financial holding company may lose its status as a financial holding company and a bank holding company or bank may be subject to dividend restrictions or denied approval to acquire or establish additional banks or non-bank businesses or to open additional facilities.

Beginning January 1, 2015, the Company and the Bank each became subject to rules implementing the Basel III framework, which substantially revised the leverage and risk-based capital requirements applicable to bank holding companies and depository institutions. These rules were based on international capital accords of the Basel Committee on Banking Supervision. Among other things, the rules established a new category of capital measure, Common Equity Tier 1 capital (“CET1”). Common Equity Tier 1 capital is predominantly comprised of common stock instruments (including related surplus) and retained earnings, net of treasury stock, and after making required capital deductions and adjustments. Tier 1 capital generally is limited to all Common Equity Tier 1 capital plus qualifying minority interests (issued by consolidated depository institutions or foreign bank subsidiaries), accounts of consolidated subsidiaries and an amount of qualifying perpetual preferred stock, limited to 50% of Tier 1 capital. In calculating Common Equity Tier 1 capital and Tier 1 capital, net operating loss and tax credit carryforwards, and goodwill are deducted from stockholders’ equity. Tier 2 capital is a secondary component of risk-based capital, consisting primarily of that portion of perpetual preferred stock that may not be included as Tier 1 capital, mandatory convertible securities, certain types of subordinated debt and a portion of the allowance for loan losses (limited to 1.25% of risk weighted assets).

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The rules required the following initial minimum capital ratios as of January 1, 2015:

· 4.5% CET1 to risk-weighted assets.

· 6.0% Tier 1 capital to risk-weighted assets.

· 8.0% Total capital to risk-weighted assets.

· 4.0% Tier 1 capital to average consolidated assets as reported on consolidated financial statements (known as the "leverage ratio").

Additionally, the rules introduced a capital conservation buffer, composed entirely of Common Equity Tier 1 capital, with respect to each of the Common Equity Tier 1, Tier 1 Risk-based and Total Risk-based capital ratios, which provide for capital levels that exceed the minimum risk-based capital requirements. The capital conservation buffer must be maintained by the holding company to avoid limitations on its capital distributions and on its ability to pay discretionary bonus payments to executive officers. The capital conservation buffer was phased in beginning in 2016, with full implementation to 2.50% by 2019.

There are two measures of regulatory capital applicable to bank holding companies, which are (1) the leverage capital ratio and (2) the risk-based capital ratios. The essential difference between the leverage capital ratio and the risk-based capital ratios is that the latter measures capital against both balance sheet and off-balance sheet risks that are both identified and risk-weighted.

Additionally, there are deductions and adjustments to capital for other intangibles as well as deductions and adjustments to CET1 by the amount that the carrying value of certain assets exceeds 10% of CET1 or all such categories in the aggregate exceed 15% of CET1. Examples of these assets are certain deferred tax assets, mortgage servicing rights, significant investments in unconsolidated subsidiaries, investments in certain capital instruments of financial entities and unrealized gains on cash flow hedges included in accumulated other comprehensive income (“AOCI”) arising from hedges not carried at fair market value on the balance sheet. Implementation of the deductions and other adjustments to CET1 began on January 1, 2015 and will be phased-in over a three-year period (beginning at 40% on January 1, 2015 and an additional 20% per year thereafter until fully phased-in at January 1, 2018).  The rules also preclude companies the size of the Company from counting certain hybrid securities, such as trust preferred securities, as Tier 1 capital after January 1, 2016. 

The rules are designed to make regulatory capital requirements more sensitive to differences in risk profiles, to take into account off-balance sheet exposure and to minimize disincentives for holding liquid assets. Under the risk-based capital guidelines, assets are assigned to one of several risk categories, ranging from 0% to 1,250%, though the Company does not have any assets assigned to a risk category over 150%.   For example, U.S. Treasury securities are assigned to the 0% risk category while most categories of loans are assigned to the 100% risk category. Off-balance sheet exposures such as unfunded commitments and standby letters of credit are risk-weighted and all or a portion thereof are included in risk-weighted assets based on an assessment of the relative risks that they present. The risk-weighted asset base is equal to the sum of the aggregate dollar values of assets and off-balance sheet items in each risk category, multiplied by the weight assigned to that category.

A financial holding company that becomes aware that it or a subsidiary bank has ceased to be well capitalized or well managed must notify the Federal Reserve and enter into an agreement to cure the identified deficiency within a specified time period. If the deficiency is not cured timely, the Federal Reserve Board may order the financial holding company to divest its banking operations. Alternatively, to avoid divestiture, a financial holding company may cease to engage in the financial holding company activities that are unrelated to banking or otherwise impermissible for a bank holding company.

The new rules also gave some banks, including ours, a one-time “opt out” in which banks could exclude certain volatile AOCI components from inclusion in regulatory capital. The Bank exercised its AOCI opt-out election option on the Bank’s Call Report and the Company’s FR Y-9C filed as of March 31, 2015.

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As of December 31, 2017 and throughout 2017, the Company and the Bank were considered well-capitalized institutions by regulatory agencies. An institution is deemed to be well-capitalized if it is not subject to regulatory order, agreement or directive to meet and maintain a specified capital level for any capital measure, and, in the case of the Bank, exceeds the well-capitalized minimum requirement under the FDIC’s Prompt Corrective Action definition.  Leverage capital ratio and risk-based capital ratios as of December 31, 2017, under currently applicable capital adequacy rules for the Company and the Bank were as follows: 

			Well-Capitalized		Minimum Capital Plus
			Under Prompt		Capital Conservation Buffer								Company at		Bank at
	Minimum		Corrective Action*		2016		2017		2018		2019		12/31/2017		12/31/2017
Tier 1 leverage capital ratio	4.00	%	5.00	%	N/A		N/A		N/A		N/A		8.43	%	8.72	%
Risk-based capital ratios
Common Equity Tier 1 capital	4.50	%	6.50	%	5.125	%	5.75	%	6.375	%	7.00	%	10.21	%	10.54	%
Tier 1 capital	6.00	%	8.00	%	6.625	%	7.25	%	7.875	%	8.50	%	10.21	%	10.54	%
Total risk-based capital   (Tier 1 plus Tier 2)	8.00	%	10.00	%	8.625	%	9.25	%	9.875	%	10.50	%	11.90	%	11.55	%

*Applies to Bank

Payment of Dividends

Hancock is a legal entity separate and distinct from the Bank and other subsidiaries.  Its primary source of cash, other than securities offerings, is dividends from the Bank. Under the Federal Deposit Insurance Act, no dividends may be paid by an insured bank if the bank is in arrears in the payment of any insurance assessment due to the FDIC.  The payment of dividends by the bank may also be affected by other regulatory requirements and policies, such as the maintenance of adequate capital. 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 on 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 formal and informal policies which provide that insured banks should generally pay dividends only out of current operating earnings.

Under a Federal Reserve policy adopted in 2009, the board of directors of a bank holding company must consider certain factors to ensure that its dividend level is prudent relative to maintaining a strong financial position, and is not based on overly optimistic earnings scenarios, such as potential events that could affect its ability to pay, while still maintaining a strong financial position. As a general matter, the Federal Reserve has indicated that the board of directors of a bank holding company should consult with the Federal Reserve and eliminate, defer or significantly reduce the bank holding company’s dividends if:

· its net income available to shareholders for the past four quarters, net of dividends previously paid during that period, is not sufficient to fully fund the dividends;

· its prospective rate of earnings retention is not consistent with its capital needs and overall current and prospective financial condition; or

· it will not meet, or is in danger of not meeting, its minimum regulatory capital adequacy ratios.

Stress Testing

The Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010 (the “Dodd-Frank Act”) requires annual, company-run stress tests of bank holding companies and banks, such as the Company and the Bank, that have more than $10 billion but less than $50 billion of consolidated assets.  Stress tests analyze the potential impact of baseline, adverse, and severely adverse economic scenarios specified by the Federal Reserve for the Company and by the FDIC for the Bank.  The impact of these scenarios is measured against the consolidated earnings, balance sheet and capital of a bank holding company or depository institution over a designated planning horizon of nine quarters, taking into account the organization’s current condition, risks, exposures, strategies, and activities, and such factors as the regulators may request of a specific organization.

Each banking organization’s board of directors and senior management are required to approve and review the policies and procedures of their stress-testing processes as frequently as economic conditions or the condition of the organization may warrant, and at least annually. They are also required to consider the results of the stress test in the normal course of business, including the banking organization’s capital planning (including dividends and share buybacks), assessment of capital adequacy and maintaining capital consistent with its risks, and risk management practices. The results of the stress tests are provided to the applicable federal banking agencies. Public disclosure of annual stress test results for the Company began in 2015.

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Bank Regulation

The operation of the Bank is subject to state and federal statutes applicable to state banks and the regulations of the Federal Reserve, the FDIC and the Consumer Financial Protection Bureau (“CFPB”). The operations of the Bank may also be subject to applicable Office of the Comptroller of the Currency (“OCC”) regulation to the extent state banks are granted parity with national banks. Such statutes and regulations relate to, among other things, required reserves, investments, loans, mergers and consolidations, issuances of securities, payments of dividends, establishment of branches, consumer protection and other aspects of the Bank’s operations. Violations of laws and regulations, or other unsafe and unsound practices, may result in these agencies imposing fines or penalties, cease and desist orders, or taking other enforcement actions.  Under certain circumstances, these agencies may enforce these remedies directly against officers, directors, employees and other parties participating in the affairs of a bank or bank holding company.

Safety and Soundness.  The Federal Deposit Insurance Act requires the federal prudential bank regulatory agencies, such as the FDIC, to prescribe, by regulation or guideline, operational and managerial standards for all insured depository institutions relating to: (1) internal controls; (2) information systems and audit systems; (3) loan documentation; (4) credit underwriting; (5) interest rate risk exposure; and (6) asset quality. The agencies also must prescribe standards for asset quality, earnings, and stock valuation, as well as standards for compensation, fees and benefits. The federal banking agencies have adopted regulations and Interagency Guidelines Establishing Standards for Safety and Soundness to implement these required standards. These guidelines set forth the safety and soundness standards used to identify and address problems at insured depository institutions before capital becomes impaired. Under the regulations, if a regulator determines that a bank fails to meet any standards prescribed by the guidelines, the regulator may require the bank to submit an acceptable plan to achieve compliance, consistent with deadlines for the submission and review of such safety and soundness compliance plans.

Examinations. The Bank is subject to regulation, reporting, and periodic examinations by the FDIC, the Mississippi Department of Banking and Consumer Finance (the “MDBCF”), and the CFPB. These regulatory authorities routinely examine the Bank’s reserves, loan and investment quality, consumer compliance, management policies, procedures and practices and other aspects of operations. The FDIC has adopted the Federal Financial Institutions Examination Council’s (“FFIEC”) rating system and assigns each financial institution a confidential composite rating based on an evaluation and rating of six essential components of an institution’s financial condition and operations, including Capital Adequacy, Asset Quality, Management, Earnings, Liquidity and Sensitivity to Market Risk, as well as the quality of risk management practices. 

Prompt Corrective Action. The Federal Deposit Insurance Corporation Improvement Act of 1991 (“FDICIA”), among other things, requires the federal bank regulatory agencies to take “prompt corrective action” regarding depository institutions that do not meet minimum capital requirements.  FDICIA establishes five regulatory capital tiers: “well capitalized,” “adequately capitalized,” “undercapitalized,” “significantly undercapitalized,” and “critically undercapitalized.”  A depository institution’s capital tier will depend upon how its capital levels compare to various relevant capital measures and certain other factors, as established by regulation.  FDICIA imposes progressively more restrictive restraints on operations, management and capital distributions, depending on the category in which an institution is classified.

FDICIA generally prohibits a depository institution from making any capital distribution (including payment of a dividend) or paying any management fee to its holding company if the depository institution would thereafter be undercapitalized.  Undercapitalized depository institutions are subject to growth limitations and are required to submit a capital restoration plan for approval within 90 days of becoming undercapitalized.  For a capital restoration plan to be acceptable, the depository institution’s parent holding company must guarantee that the institution will comply with such capital restoration plan.  The aggregate liability of the parent holding company is limited to the lesser of 5% of the depository institution’s total assets at the time it became undercapitalized and the amount necessary to bring the institution into compliance with applicable capital standards.  If a depository institution fails to submit an acceptable plan, it is treated as if it is significantly undercapitalized.  If the controlling holding company fails to fulfill its obligations under FDICIA and files (or has filed against it) a petition under the federal Bankruptcy Code, the claim for such liability would be entitled to a priority in such bankruptcy proceeding over third party creditors of the bank holding company.  In addition, an undercapitalized institution is subject to increased monitoring and asset growth restrictions and is required to obtain prior regulatory approval for acquisitions, new lines of business, and branching.  Such an institution also is barred from soliciting, taking or rolling over brokered deposits. 

Significantly undercapitalized depository institutions may be subject to a number of requirements and restrictions, including orders to sell sufficient voting stock to become adequately capitalized, requirements to reduce total assets, and cessation of receipt of deposits from correspondent banks.  Critically undercapitalized institutions are subject to the appointment of a receiver or conservator within 90 days of becoming significantly undercapitalized, except under limited circumstances.  The Bank was well capitalized at December 31, 2017, and brokered deposits are not restricted.

Consumer Protection. The Dodd-Frank Act established the CFPB,  an independent regulatory authority housed within the Federal Reserve having centralized authority, including examination and enforcement authority, for consumer protection in the banking industry.  The CFPB has rule writing, examination, and enforcement authority with regard to the Bank’s (and the Company’s)

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compliance with a wide array of consumer financial protection laws, including the Truth in Lending Act, the Real Estate Settlement Procedures Act, the Truth in Savings Act, the Electronic Funds Transfer Act, the Equal Credit Opportunity Act, the Home Mortgage Disclosure Act, the S.A.F.E. Mortgage Licensing Act, the Fair Credit Reporting Act (except Sections 615(e) and 628), the Fair Debt Collection Practices Act, and the Gramm-Leach-Bliley Act (sections 502 through 509 relating to privacy), among others. The CFPB has broad authority to enforce a prohibition on unfair, deceptive, or abusive acts and practice.  The Bank is subject to direct supervision and examination by the CFPB in respect of the foregoing consumer protection acts and regulations because the Bank’s total assets are over $10 billion as of December 31, 2017.

In addition, the Dodd-Frank Act permits states to adopt consumer protection laws and regulations that are stricter than those regulations promulgated by the CFPB, and state attorneys general are permitted to enforce consumer protection rules adopted by the CFPB against certain institutions.

Branching. The Dodd-Frank Act authorizes national and state banks to establish de novo branches in other states to the same extent a bank chartered in those states would be so permitted.

Deposit Insurance Assessments. The Deposit Insurance Fund (“DIF”) of the FDIC insures the deposits of the Bank generally up to a maximum of $250,000 per separately insured depositor and up to a maximum of $250,000 for self-directed retirement accounts.  The FDIC charges insured depository institutions premiums to maintain the DIF.  Deposit insurance assessments are based on average total assets minus average tier 1 capital.  For larger institutions, such as the Bank, the FDIC uses a performance score and a loss-severity score to calculate an initial assessment.   In calculating these scores, the FDIC uses a bank’s capital level and supervisory ratings (its “CAMELS ratings”) and certain financial measures to assess the institution’s ability to withstand asset-related stress and funding-related stress.  The FDIC 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 October 2010, the FDIC adopted a new DIF restoration plan to ensure that the fund reserve ratio reaches 1.35% by September 30, 2020, as required by the Dodd-Frank Act.  In August 2016, the FDIC announced that the DIF reserve ratio had surpassed 1.15% as of June 30, 2016.  As a result, beginning in the third quarter of 2016, the range of initial assessment rates for all institutions were adjusted downward such that the initial annual base deposit insurance assessment rate ranges from 3 to 30 basis points.  After the effect of potential base-rate adjustments, the total annual base assessment rate could range from 1.5 to 40 basis points.  In March 2016, the FDIC adopted a final rule to increase the reserve ratio for the DIF to 1.35% of total insured deposits.  The rule imposes a surcharge of 4.5 basis points on the excess of the depository institution’s assessment base over $10 billion until the earlier of the quarter that the reserve ratio first reaches or exceeds 1.35% and December 31, 2018.

Insurance of deposits may be terminated by the FDIC upon a finding that an institution has engaged in unsafe or 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.  The Bank does not believe that it is taking or is subject to any action, condition or violation that could lead to termination of its deposit insurance.

Insider Transactions. In addition to regulating capital, the FDIC has broad authority to prevent the development or continuance of unsafe or unsound banking practices. Pursuant to this authority, the FDIC has adopted regulations that restrict preferential loans and loan amounts to “affiliates” and “insiders” of banks, require banks to keep information on loans to major shareholders and executive officers and bar certain director and officer interlocks between financial institutions.

Mergers, Subsidiaries. The FDIC is also authorized to approve mergers, consolidations and assumption of deposit liability transactions between insured banks and between insured banks and uninsured banks or institutions to prevent capital or surplus diminution in such transactions where the resulting, continuing or assumed bank is an insured nonmember state bank.

Reserves. Although the Bank is not a member of the Federal Reserve, it is subject to Federal Reserve regulations that require the Bank to maintain reserves against transaction accounts (primarily checking accounts).

Anti-Money Laundering.  Under the Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism (“USA PATRIOT”) Act of 2001, financial institutions are subject to prohibitions against specified financial transactions and account relationships as well as enhanced due diligence and “know your customer” standards in their dealings with foreign financial institutions and foreign customers. The USA PATRIOT Act requires financial institutions to establish anti-money laundering programs with minimum standards that include:

· the development of internal policies, procedures, and controls;

· the designation of a compliance officer;

· an ongoing employee training program; and

· an independent audit function to test the programs.

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Bank regulators routinely examine institutions for compliance with these anti-money laundering obligations and recently have been active in imposing “cease and desist” and other regulatory orders and money penalty sanctions against institutions found to be in violation of these requirements.  In addition, the Financial Crimes Enforcement Network has adopted new regulations that require financial institutions to obtain beneficial ownership information for certain accounts.

Economic Sanctions. The Office of Foreign Assets Control (“OFAC”) is responsible for helping to ensure that U.S. entities do not engage in transactions with certain prohibited parties, as defined by various Executive Orders and acts of Congress.  OFAC publishes, and routinely updates, lists of names of persons and organizations suspected of aiding, harboring or engaging in terrorist acts, including the Specially Designated Nationals and Blocked Persons List.  If we find a name on any transaction, account or wire transfer that is on an OFAC list, we must undertake certain specified activities, which could include blocking or freezing the account or transaction requested, and we must notify the appropriate authorities.

Mortgage Rules. Pursuant to rules adopted by the CFPB, banks that make residential mortgage loans are required to make a good faith determination that a borrower has the ability to repay a mortgage loan prior to extending such credit, require that certain mortgage loans contain escrow payments, obtain new appraisals under certain circumstances, and follow specific rules regarding the compensation of loan originators and the servicing of residential mortgage loans.

Risk-retention rules. Banks that sponsor the securitization of asset-backed securities and residential-mortgage backed securities are required to retain 5% of any loan they sell or securitize, except for mortgages that meet low-risk standards.

Volcker Rule. In December 2013, the Federal Reserve, the FDIC, and other regulators jointly issued final rules implementing requirements of a new Section 13 to the Bank Holding Company Act, commonly referred to as the “Volcker Rule.” The Volcker Rule generally prohibits us and our subsidiaries from (i) engaging in proprietary trading for our own account, and (ii) acquiring or retaining an ownership interest in or sponsoring a “covered fund,” all subject to certain exceptions. The Volcker Rule also specifies certain limited activities in which we and our subsidiaries may continue to engage, and required us to implement a compliance program.

Transactions with affiliates. There are various restrictions that limit the ability of the Bank to finance, pay dividends or otherwise supply funds to the Company or other affiliates. In addition, subsidiary banks of holding companies are subject to certain restrictions under Section 23A and B of the Federal Reserve Act on any extension of credit to the bank holding company or any of its subsidiaries, on investments in the stock or other securities thereof and on the taking of such stock or securities as collateral for loans to any borrower.

Debit Interchange Fees. Interchange fees, or “swipe” fees, are fees that merchants pay to credit card companies and card-issuing banks such as the Bank for processing electronic payment transactions on their behalf. The maximum permissible interchange fee that an issuer may receive for an electronic debit transaction is the sum of 21 cents per transaction and 5 basis points multiplied by the value of the transaction, subject to an upward adjustment of 1 cent if an issuer certifies that it has implemented policies and procedures reasonably designed to achieve the fraud-prevention standards set forth by the Federal Reserve. In addition, the legislation prohibits card issuers and networks from entering into arrangements requiring that debit card transactions be processed on a single network or only two affiliated networks, and allows merchants to determine transaction routing.

Nonbanking Subsidiaries

The Company’s and Bank’s nonbanking subsidiaries are also subject to a variety of state and federal laws. For example, Hancock Investment Services, Inc. is subject to supervision and regulation by the SEC, Financial Industry Regulatory Authority (FINRA) and the State of Mississippi, and Harrison Finance Company is regulated by the State of Mississippi, including the Mississippi Department of Banking and Consumer Finance.

Compensation

In June 2010, the federal banking agencies issued joint guidance on executive compensation designed to help ensure that a banking organization’s incentive compensation policies do not encourage imprudent risk taking and are consistent with the safety and soundness of the organization. In addition, in June 2012, the Commission issued final rules to implement the Dodd-Frank Act’s requirement that the Commission direct the national securities exchanges to adopt certain listing standards related to the compensation committee of a company’s board of directors as well as its compensation advisers.

In 2016, the Federal Reserve, FDIC and SEC proposed rules that would, depending upon the assets of the institution, directly regulate incentive compensation arrangements and would require enhanced oversight and recordkeeping.  As of December 31, 2017, these rules had not been implemented.

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Accounting and Controls

The Company is also required to file certain reports with, and otherwise comply with the rules and regulations of the SEC under federal securities laws.   For example, we are required to comply with various corporate governance and financial reporting requirements under the Sarbanes-Oxley Act of 2002, as well as rules and regulations adopted by the SEC, the Public Company Accounting Oversight Board, and Nasdaq.  In particular, we are required to include management and independent registered public accounting firm reports on internal controls over financial reporting as part of our Annual Report on Form 10‑K in order to comply with Section 404 of the Sarbanes-Oxley Act.  We have evaluated our controls, including compliance with the SEC rules on internal controls.  The assessments of our financial reporting controls as of December 31, 2017 are included in this report under Item 9A. “Controls and Procedures.”  Our failure to comply with these internal control rules may materially adversely affect our reputation, ability to obtain the necessary certifications to financial statements, and the values of our securities. 

Corporate Governance

The Dodd-Frank Act addresses many investor protection, corporate governance, and executive compensation matters that will affect most U.S. publicly traded companies. The Dodd-Frank Act (1) grants shareholders of U.S. publicly traded companies an advisory vote on executive compensation; (2) enhances independence requirements for Compensation Committee members; and (3) requires companies listed on national securities exchanges to adopt incentive-based compensation clawback policies for executive officers.

Effect of Governmental Monetary and Fiscal Policies

The difference between the interest rate paid on deposits and other borrowings and the interest rate received on loans and securities comprises most of a bank’s earnings. In order to mitigate the interest rate risk inherent in the industry, the banking business is becoming increasingly dependent on the generation of fee and service charge revenue.

The earnings and growth of a bank will be affected by both general economic conditions and the monetary and fiscal policy of the U.S. government and its agencies, particularly the Federal Reserve. The Federal Reserve sets national monetary policy such as seeking to curb inflation and combat recession. This is accomplished by its open-market operations in U.S. government securities, adjustments in the amount of reserves that financial institutions are required to maintain and adjustments to the discount rates on borrowings and target rates for federal funds transactions. The actions of the Federal Reserve in these areas influence the growth of bank loans, investments and deposits and also affect interest rates on loans and deposits. The nature and timing of any future changes in monetary policies and their potential impact on the Company cannot be predicted.

EXECUTIVE OFFICERS OF THE REGISTRANT

The names, ages, positions and business experience of our executive officers as of February 26, 2018:

Name	Age	Position
John M. Hairston	54	President of the Company since 2014; Chief Executive Officer since 2008 and Chief Operating Officer from 2008 to 2014; Director since 2006.
Michael M. Achary	57	Sr. Executive Vice President since 2017; Executive Vice President from 2008 to 2016; Chief Financial Officer since 2007.
Joseph S. Exnicios	62	Sr. Executive Vice President since 2017; Executive Vice President from 2011 to 2016; President of Whitney Bank since 2011.
D. Shane Loper	52	Sr. Executive Vice President since 2017; Executive Vice President from 2008 to 2016; Chief Operating Officer since 2014; Chief Administrative Officer from 2013 to 2014 and Chief Risk Officer from 2012 to 2013.
Stephen E. Barker	61	Executive Vice President since 2016; Chief Accounting Officer since 2011.
Cecil W. Knight Jr.	54	Executive Vice President since 2016; Chief Banking Officer since 2016; President and owner of Alidade partners, LLC from 2012 to 2016.
Joy Lambert Phillips	62	Executive Vice President since 2009; Corporate Secretary since 2011; General Counsel since 1999.

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ITEM 1A.    RISK FACTORS

We face a number of significant risks and uncertainties in connection with our operations. Our business, results of operations and financial condition could be materially adversely affected by the factors described below.

While we describe each risk separately, some of these risks are interrelated and certain risks could trigger the applicability of other risks described below. Also, the risks and uncertainties described below are not the only ones that we may face. Additional risks and uncertainties not presently known to us, or that we currently do not consider significant, could also potentially impair, and have a material adverse effect on our business, results of operations, and financial condition.

Risks Related to Economic and Market Conditions

We may be vulnerable to certain sectors of the economy and to economic conditions both generally and locally across the specific markets in which we operate.

Our financial performance may be adversely affected by macroeconomic factors that affect the U.S. economy. Unfavorable economic conditions, particularly in the Gulf South region, could significantly affect the demand for our loans and other products, the ability of borrowers to repay loans, and the value of collateral securing loans.  A substantial portion of our loan portfolio is secured by real estate. In weak economies, or in areas where real estate market conditions are distressed, we may experience a higher than normal level of nonperforming real estate loans. The collateral value of the portfolio and the revenue stream from those loans could come under stress, and additional provisions for the allowance for loan and lease losses could be necessitated. Our ability to dispose of foreclosed real estate at prices at or above the respective carrying values could also be impaired, causing additional losses.

The energy sector of the economy experienced an increase in drilling activity and demand over the prior year; however, the sector remains under stress.The downturn in this industry has affected the performance of our energy loan portfolio and is expected to continue to have such effects in the near term.  Although the price of oil continues to trend upward, management expects a lag in the recovery of energy service and support credits. Additional risk rating downgrades could occur, which may result in additional loan loss provisions, a higher allowance for loan losses, and additional charge-offs. As of December 31, 2017, energy or energy-related loans comprised approximately 5.6% of our loan portfolio. Given the importance of the energy industry to the overall economies of Texas and Louisiana, two of our core markets, the performance of other business and commercial segments in these markets may become adversely affected when the energy sector is under stress.

Volatility in global financial markets may have a spillover effect that would ultimately impair the performance of the U.S. economy.

Certain changes in interest rates, mortgage origination, inflation, deflation, or the financial markets could affect our results of operations, demand for our products and our ability to deliver products efficiently.

Our assets and liabilities are primarily monetary in nature and we are subject to significant risks tied to changes in interest rates that are highly sensitive to many factors that are beyond our control. Our ability to operate profitably is largely dependent upon net interest income. Net interest income is the primary component of our earnings and is affected by both local external factors such as economic conditions in the Gulf South and local competition for loans and deposits, as well as broader influences, such as federal monetary policy and market interest rates. Unexpected movement in interest rates markedly changing the slope of the current yield curve could cause our net interest margins to decrease, subsequently reducing net interest income. In addition, such changes could adversely affect the valuation of our assets and liabilities.

As the Federal Reserve Board increases the Fed Funds rate, overall interest rates will likely rise, which may negatively impact the U.S. economy.  Further, changes in monetary policy, including changes in interest rates, could influence (i) the amount of interest we receive on loans and securities, (ii) the amount of interest we pay on deposits and borrowings, (iii) our ability to originate loans and obtain deposits, (iv) the fair value of our assets and liabilities, and (v) the reinvestment risk associated with changes in the duration of our mortgage-backed securities portfolio. When interest-bearing liabilities reprice or mature more quickly than interest-earning assets, an increase in interest rates generally would tend to result in a decrease in net interest income.

In addition, loan originations, and potentially loan revenues, could be adversely impacted by sharply rising interest rates. If market rates of interest were to increase, it would increase debt service requirements for some of our borrowers; adversely affect those borrowers’ ability to pay as contractually obligated; potentially reduce loan demand or result in additional delinquencies or charge-offs; and increase the cost of our deposits, which are a primary source of funding.

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We are also subject to the following risks:

· an underperforming stock market could adversely affect wealth management fees associated with managed securities portfolios and could also reduce brokerage transactions, therefore reducing investment brokerage revenues; and

· an increase in inflation could cause our operating costs related to salaries and benefits, technology, and supplies to increase at a faster pace than revenues.

The fair market value of our securities portfolio and the investment income from these securities also fluctuate depending on general economic and market conditions. In addition, actual net investment income and/or cash flows from investments that carry prepayment risk, such as mortgage-backed and other asset-backed securities, may differ from those anticipated at the time of investment as a result of interest rate fluctuations.

Although management believes it has implemented an effective asset and liability management strategy to manage the potential effects of changes in interest rates, including the use of adjustable rate and/or short-term assets, and FHLB advances or longer term repurchase agreements, any substantial, unexpected, prolonged change in market interest rates could have a material adverse effect on our financial condition and results of our operation and our strategies may not always be successful in managing the risk associated with changes in interest rates.

The financial soundness and stability 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 soundness and stability of other financial institutions as a result of credit, trading, clearing or other relationships with such institutions. We routinely execute transactions with counterparties in the financial industry, including brokers and dealers, commercial banks and other institutional clients. As a result, defaults by, and even rumors regarding, other financial institutions, or the financial services industry generally, could impair our ability to effect such transactions and could lead to losses or defaults by us. In addition, a number of our transactions expose us to credit risk in the event of default of a counterparty or client. Additionally, our credit risk may be increased if the collateral we hold in connection with such transactions cannot be realized or can only be liquidated at prices that are not sufficient to cover the full amount of our financial exposure. Any such losses could have a material adverse effect on our financial condition and results of operations.

Changes in the policies of monetary authorities and other government action could adversely affect our profitability.

Our financial performance is affected by credit policies of monetary authorities, particularly the Federal Reserve. The instruments of monetary policy employed by the Federal Reserve include open market transactions in U.S. government securities, changes in the discount rate or the federal funds rate on bank borrowings and changes in reserve requirements against bank deposits. In view of changing conditions in the national economy and in the money markets, we cannot predict the potential impact of future changes in interest rates, deposit levels, and loan demand on our business and earnings. Furthermore, the actions of the U.S. government and other governments may result in currency fluctuations, exchange controls, market disruption, material decreases in the values of certain of our financial assets and other adverse effects.

Tax law and regulatory changes could adversely affect our financial condition and results of operations.

The Tax Cuts and Jobs Act enacted on December 22, 2017 provides significant changes to U.S. corporate and individual tax laws.The Act is expected to stimulate the U.S. economy, but the extent and timing of tangible benefits are uncertain.  Future changes to tax laws, including a repeal of all or part of this Act, could significantly impact our business in the form of greater than expected income tax expense. Such changes may also negatively impact the financial condition of our customers and/or overall economic conditions.

Governmental responses to market disruptions and other events may be inadequate and may have unintended consequences.

Congress and financial regulators may implement measures designed to stabilize financial markets in periods of disruption.  The overall impact of these efforts on the financial markets may be unclear and could adversely affect our business.

We compete with a number of financial services companies that are not subject to the same degree of regulatory oversight. The impact of the existing regulatory framework and any future changes to it could negatively affect our ability to compete with these institutions, which could have a material adverse effect on our results of operations and prospects.

We may need to rely on the financial markets to provide needed capital.

Our common stock is listed and traded on the NASDAQ Global Select Market. If our capital resources prove in the future to be inadequate to meet our capital requirements, we may need to raise additional debt or equity capital. If conditions in the capital markets are not favorable, we may be constrained in raising capital. We maintain a consistent analyst following; therefore, downgrades in our

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prospects by one or more of our analysts may cause our stock price to fall and significantly limit our ability to access the markets for additional capital requirements. An inability to raise additional capital on acceptable terms when and if needed could have a material adverse effect on our business, financial condition or results of operations.

The interest rates that we pay on our securities are also influenced by, among other things, the credit ratings that we, our affiliates and/or our securities receive from recognized rating agencies. Our credit ratings are based on a number of factors, including our financial strength and some factors not entirely within our control such as conditions affecting the financial services industry generally, and remain subject to change at any time. A downgrade to the credit rating of us or our affiliates could affect our ability to access the capital markets, increase our borrowing cost and negatively impact our profitability. A downgrade to us, our affiliates or our securities could create obligations or liabilities to us under the terms of our outstanding securities that could increase our costs or otherwise have a negative effect on our results of operations or financial condition. Additionally, a downgrade to the credit rating of any particular security issued by us or our affiliates could negatively affect the ability of the holders of that security to sell the securities and the prices at which any such securities may be sold.

Because our decision to incur debt and issue securities in future offerings will depend on market conditions and other factors beyond our control, we cannot predict or estimate the amount, timing or nature of our future offerings and debt financings. Further, market conditions could require us to accept less favorable terms for the issuance of our securities in the future. In addition, geopolitical and worldwide market conditions may cause disruption or volatility in the U.S. equity and debt markets, which could hinder our ability to issue debt and equity securities in the future on favorable terms.

Securities analysts might not continue coverage on our common stock, which could adversely affect the market for our common stock.

The trading price of our common stock depends in part on the research and reports that securities analysts publish about us and our business.  We do not have any control over these analysts, and they may not continue to cover our common stock.  If securities analysts do not continue to cover our common stock, the lack of research coverage may adversely affect our market price.  If securities analysts continue to cover our common stock, and our common stock is the subject of an unfavorable report, the price of our common stock may decline.   If one or more of these analysts cease to cover us or fail to publish regular reports on us, we could lose visibility in the financial markets, which could cause the price or trading volume of our common stock to decline.

Risks Related to the Financial Services Industry

We must maintain adequate sources of funding and liquidity.

Effective liquidity management is essential for the operation of our business. We require sufficient liquidity to support our operations and fund outstanding liabilities, as well as to meet regulatory requirements. Our access to sources of liquidity in amounts adequate to fund our activities on terms that are acceptable to us could be impaired by factors that affect us specifically or the financial services industry or economy generally. Factors that could detrimentally impact our access to liquidity sources include an economic downturn that affects the geographic markets in which our loans and operations are concentrated, or any material deterioration of the credit markets. Our access to deposits may also be affected by the liquidity needs of our depositors and the loss of deposits to alternative investments. Although we have historically been successful in replacing maturing deposits and advances as necessary, we might not be able to duplicate that success in the future, especially if a large number of our depositors were to withdraw their amounts on deposit. A failure to maintain an adequate level of liquidity could materially and adversely affect our business, financial condition and results of operations.

We may rely on the mortgage secondary market from time to time to provide liquidity.

From time to time, we have sold to certain agencies certain types of mortgage loans that meet their conforming loan requirements in order to reduce our interest rate risk and provide liquidity. There is a risk that these agencies will limit or discontinue their purchases of loans that are conforming due to capital constraints, a change in the criteria for conforming loans or other factors. Additionally, various proposals have been made to reform the U.S. residential mortgage finance market, including the role of the agencies. The exact effects of any such reforms are not yet known, but may limit our ability to sell conforming loans to the agencies. If we are unable to continue to sell conforming loans to the agencies, our ability to fund, and thus originate, additional mortgage loans may be adversely affected, which would in turn adversely affect our results of operations.

Greater loan losses than expected may adversely affect our earnings.

We are exposed to the risk that our borrowers will be unable to repay their loans in accordance with their terms and that any collateral securing the payment of their loans may not be sufficient to assure repayment. Credit risk is inherent in our business and any material level of credit failure could have a material adverse effect on our operating results. Our credit risk with respect to our real estate and construction loan portfolio relates principally to the creditworthiness of our corporate borrowers and the value of the real estate

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pledged as security for the repayment of loans. Our credit risk with respect to our commercial and consumer loan portfolio will depend on the general creditworthiness of businesses and individuals within our local markets. Our credit risk with respect to our energy loan portfolio is subject to commodity pricing that is determined by factors outside of our control.

We make various assumptions and judgments about the collectability of our loan portfolio and provide an allowance for estimated loan losses based on a number of factors. This process requires difficult, subjective and complex judgments, including analysis of economic or market conditions that might impair the ability of borrowers to repay their loans. If our assumptions or judgments prove to be incorrect, the allowance for loan losses may not be sufficient to cover actual loan losses. We may have to increase our allowance in the future in response to the request of one of our primary banking regulators, to adjust for changing conditions and assumptions, or as a result of any deterioration in the quality of our loan portfolio. Losses in excess of the existing allowance or any provisions for loan losses taken to increase the allowance will reduce our net income and could materially adversely affect our financial condition and results of operations. Future provisions for loan losses may vary materially from the amounts of past provisions.

We depend on the accuracy and completeness of information about clients and counterparties.

In deciding whether to extend credit or enter into other transactions with clients and counterparties, we rely in substantial part on information furnished by or on behalf of clients and counterparties, including financial statements and other financial information. We also may rely on representations of clients and counterparties as to the accuracy and completeness of that information and, with respect to financial statements, on reports of independent auditors if made available. If this information is inaccurate, we may be subject to loan defaults, financial losses, regulatory action, reputational harm or other adverse effects with respect to our business, financial condition and results of operations.

We are subject to a variety of risks in connection with any sale of loans we may conduct.

From time to time we may sell all or a portion of one of more loan portfolios, and in connection therewith we may make certain representations and warranties to the purchaser concerning the loans sold and the procedures under which those loans have been originated and serviced. If any of these representations and warranties are incorrect, we may be required to indemnify the purchaser for any related losses, or we may be required to repurchase part or all of the affected loans. We may also be required to repurchase loans as a result of borrower fraud or in the event of early payment default by the borrower on a loan we have sold. If we are required to make any indemnity payments or repurchases and do not have a remedy available to us against a solvent counterparty to the loan or loans, we may not be able to recover our losses resulting from these indemnity payments and repurchases. Consequently, our results of operations may be adversely affected.

Risks Related to Our Operations

A failure in our operational systems or infrastructure, or those of third parties, could impair our liquidity, disrupt our businesses, result in the unauthorized disclosure of confidential information, damage our reputation and cause financial losses.

Our ability to adequately conduct and grow our business is dependent on our ability to create and maintain an appropriate operational and organizational control infrastructure. Operational risk can arise in numerous ways including employee fraud, theft or malfeasance; customer fraud; and control lapses in bank operations and information technology. Because the nature of the financial services business involves a high volume of transactions, certain errors in processing or recording transactions appropriately may be repeated or compounded before they are discovered. Our dependence on our employees and automated systems, including the automated systems used by acquired entities and third parties, to record and process transactions may further increase the risk that technical failures or tampering of those systems will result in losses that are difficult to detect. We are also subject to disruptions of our operating systems arising from events that are wholly or partially beyond our control. In addition, products, services and processes are continually changing and we may not fully appreciate or identify new operational risks that may arise from such changes. Failure to maintain an appropriate operational infrastructure can lead to loss of service to customers, additional expenditures related to the detection and correction of operational failures, reputational damage and loss of customer confidence, legal actions, and noncompliance with various laws and regulations.

We continuously monitor our operational and technological capabilities and make modifications and improvements when we believe it will be cost effective to do so. However, there are inherent limits to such capabilities. In some instances, we may build and maintain these capabilities ourselves. We also outsource some of these functions to third parties. These third parties may experience errors or disruptions that could adversely impact us and over which we may have limited control. Third parties may fail to properly perform services or comply with applicable laws and regulations, and replacing third party providers could entail significant delay and expense. We also face risk from the integration of new infrastructure platforms and/or new third party providers of such platforms into existing businesses.

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An interruption or breach in our information systems or infrastructure, or those of third parties, could disrupt our business, result in the unauthorized disclosure of confidential information, damage our reputation and cause financial losses.

Our business is dependent on our ability to process and monitor a large number of transactions on a daily basis and to securely process, store and transmit confidential and other information on our computer systems and networks. We rely heavily on our information and communications systems and those of third parties who provide critical components of our information and communications infrastructure. These systems are critical to the operation of our business and essential to our ability to perform day-to-day operations. Our financial, accounting, data processing or other information systems and facilities, or those of third parties on whom we rely, may fail to operate properly or become disabled as a result of events that are wholly or partially beyond our control, such as a spike in transaction volume, cyber attack or other unforeseen catastrophic events, which may adversely affect our ability to process transactions or provide services.

Although we make continuous efforts to maintain the security and integrity of our information systems and have not experienced a significant, successful cyber attack, threats to information systems continue to evolve and there can be no assurance that our security efforts and measures, or those of third parties on whom we rely, will continue to be effective. The risk of a security breach or disruption, particularly through cyber attack or cyber intrusion, has increased as the number, intensity and sophistication of attempted attacks and intrusions from around the world have increased. Threats to our information systems may originate externally from third parties such as foreign governments, organized crime and other hackers, outsourced or infrastructure support providers and application developers, or may originate internally. In addition, customers may use computers, smartphones and other mobile devices not protected by our control systems to access our products and services, including through bank kiosks or other remote locations. As a financial institution, we face a heightened risk of a security breach or disruption from attempts to gain unauthorized access to our and our customers’ data and financial information, whether through cyber attack, cyber intrusion over the internet, malware, computer viruses, attachments to e-mails, spoofing, phishing, or spyware. As cyber threats continue to evolve, we may be required to expend significant additional resources to continue to modify or enhance our protective measures or to investigate and remediate any information security vulnerabilities.

As a result, our information, communications and related systems, software and networks may be vulnerable to breaches or other significant disruptions that could: (1) disrupt the proper functioning of our networks and systems, which could in turn disrupt our operations and those of certain of our customers; (2) result in the unauthorized access to, and destruction, loss, theft, misappropriation or release of confidential, sensitive or otherwise valuable information of ours or our customers, including account numbers and other financial information; (3) result in a violation of applicable privacy and other laws, subjecting us to additional regulatory scrutiny and exposing us to civil litigation and possible financial liability; (4) require significant management attention and resources to remedy the damages that result; and (5) harm our reputation or impair our customer relationships. The occurrence of such failures, disruptions or security breaches could have a negative impact on our results of operations, financial condition and cash flows. To date we have not experienced an attack that has significantly impacted our results of operations, financial condition and cash flows. However, “denial of service” attacks continue to be launched against a number of other large financial services institutions. Such attacks adversely affected the performance of certain institutions’ websites, and, in some instances, prevented customers from accessing secure websites for consumer and commercial applications. Future attacks could prove to be even more disruptive and damaging, and as threats continue to evolve, we may not be able to anticipate or prevent all such attacks.

We maintain an insurance policy which we believe provides sufficient coverage at a manageable expense for an institution of our size and scope with similar technological systems. However, we cannot assure that this policy will afford coverage for all possible losses or would be sufficient to cover all financial losses, damages, penalties, including lost revenues, should we experience any one or more of our or a third party’s systems failing or experiencing attack.

We must attract and retain skilled personnel.

Our success depends, in substantial part, on our ability to attract and retain skilled, experienced personnel in key positions within the organization. Competition for qualified candidates in the activities and markets that we serve is intense. If we are not able to hire or retain these key individuals, we may be unable to execute our business strategies and may suffer adverse consequences to our business, financial condition and results of operations.

If we are unable to attract and retain qualified employees, or do so at rates insufficient to maintain our competitive position, or if compensation costs required to attract and retain employees increase materially, our business and results of operations could be materially adversely affected.

Natural and man-made disasters could affect our ability to operate.

Our market areas are susceptible to hurricanes. Natural disasters, such as hurricanes and flooding and man-made disasters, such as oil spills in the Gulf of Mexico, can disrupt our operations; result in significant damage to our properties or properties and businesses of

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our borrowers, including property pledged as collateral; interrupt our ability to conduct business; and negatively affect the local economies in which we operate.

We cannot predict whether or to what extent damage caused by future hurricanes and other disasters will affect our operations or the economies in our market areas, but such events could cause a decline in loan originations, a decline in the value or destruction of properties securing the loans and an increase in the risk of delinquencies, foreclosures or loan losses.

We are exposed to reputational risk.

Negative public opinion can result from our actual or alleged improper activities, such as lending practices, data security breaches, corporate governance policies and decisions, and acquisitions, any of which may damage our reputation. Additionally, actions taken by government regulators and community organizations may also damage our reputation. Negative public opinion could adversely affect our ability to attract and retain customers or expose us to litigation and regulatory action.

Returns on pension plan assets may not be adequate to cover future funding requirements.

Investments in the portfolio of our defined benefit pension plan may not provide adequate returns to fully fund benefits as they come due, thus causing higher annual plan expenses and requiring additional contributions by us to the defined benefit pension plan.

The value of our goodwill and other intangible assets may decline in the future.

A significant decline in our expected future cash flows, a significant adverse change in the business climate, slower growth rates or a significant and sustained decline in the price of our common stock may necessitate our taking charges in the future to reflect an impairment of our goodwill. Future regulatory actions could also have a material impact on assessments of goodwill for impairment.

Adverse events or circumstances could impact the recoverability of our intangible assets including loss of core deposits, significant losses of credit card accounts and/or balances, increased competition or adverse changes in the economy. To the extent these intangible assets are deemed unrecoverable, a non-cash impairment charge would be recorded, which could have a material adverse effect on our results of operations.

Risks Related to Our Business Strategy

We are subject to industry competition which may have an impact upon our success.

Our profitability depends on our ability to compete successfully in a highly competitive market for banking and financial services, and we expect such challenges to continue. Certain of our competitors are larger and have more resources than we do. We face competition in our regional market areas from other commercial banks, savings associations, credit unions, mortgage banking firms, consumer finance companies, securities brokerage firms, mutual funds and insurance companies, and other financial institutions that offer similar services. Some of our nonbank competitors are not subject to the same extensive supervision and regulation to which we or the Bank are subject, and may accordingly have greater flexibility in competing for business. Over time, certain sectors of the financial services industry have become more concentrated, as institutions involved in a broad range of financial services have been acquired by other firms. These developments could result in our competitors gaining greater capital and other resources, or being able to offer a broader range of products and services with more geographic range.

Another competitive factor is that the financial services market, including banking services, is undergoing rapid changes with frequent introductions of new technology-driven products and services. Our future success may depend, in part, on our ability to use technology competitively to offer products and services that provide convenience to customers and create additional efficiencies in our operations. The widespread adoption of new technologies could require us to make substantial capital expenditures to modify or adapt our systems to remain competitive and offer new products and services. We may not be successful in introducing new products and services in response to industry trends or developments in technology, or those new products may not be accepted by customers.

If we are unable to successfully compete for new customers and to retain our current customers, our business, financial condition or results of operations may also be adversely affected, perhaps materially. In particular, if we experience an outflow of deposits as a result of our customers desiring to do business with our competitors, we may be forced to rely more heavily on borrowings and other sources of funding to operate our business and meet withdrawal demands, thereby adversely affecting our net interest margin.

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Our future growth and financial performance may be negatively affected if we are unable to successfully execute our growth plans, which may include acquisitions and de novo branching.

We may not be able to continue our organic, or internal, growth, which depends upon economic conditions, our ability to identify appropriate markets for expansion, our ability to recruit and retain qualified personnel, our ability to fund growth at a reasonable cost, sufficient capital to support our growth initiatives, competitive factors, banking laws, and other factors.

We may seek to supplement our internal growth through acquisitions. We cannot predict the number, size or timing of acquisitions, or whether any such acquisition will occur at all. Our acquisition efforts have traditionally focused on targeted banking entities in markets in which we currently operate and markets in which we believe we can compete effectively. However, as consolidation of the financial services industry continues, the competition for suitable acquisition candidates may increase. We may compete with other financial services companies for acquisition opportunities, and many of these competitors have greater financial resources than we do and may be able to pay more for an acquisition than we are able or willing to pay.

We also may be required to use a substantial amount of our available cash and other liquid assets, or seek additional debt or equity financing, to fund future acquisitions. Such events could make us more susceptible to economic downturns and competitive pressures, and additional debt service requirements may impose a significant burden on our results of operations and financial condition. If we are unable to locate suitable acquisition candidates willing to sell on terms acceptable to us, or we are otherwise unable to obtain additional debt or equity financing necessary for us to continue making acquisitions, we would be required to find other methods to grow our business and we may not grow at the same rate we have in the past, or at all.

We must generally satisfy several conditions, including receiving federal regulatory approval, before we can acquire a bank or bank holding company. In determining whether to approve a proposed bank acquisition, federal bank regulators will consider, among other factors, the effect of the acquisition on competition, financial condition, and future prospects. The regulators also review current and projected capital ratios and levels; the competence, experience, and integrity of management and its record of compliance with laws and regulations; the convenience and needs of the communities to be served (including the acquiring institution’s record of compliance under the Community Reinvestment Act) and the effectiveness of the acquiring institution in combating money laundering activities. We cannot be certain when or if, or on what terms and conditions, any required regulatory approvals will be granted. We may also be required to sell banks or branches as a condition to receiving regulatory approval, which condition may not be acceptable to us or, if acceptable to us, may reduce the benefit of any acquisition. Additionally, federal and/or state regulators may charge us with regulatory and compliance failures of an acquired business that occurred prior to the date of acquisition, and such failures may result in the imposition of formal or informal enforcement actions.

We cannot assure you that we will be able to successfully consolidate any business or assets we acquire with our existing business. The integration of acquired operations and assets may require substantial management effort, time and resources and may divert management’s focus from other strategic opportunities and operational matters. Acquisitions may not perform as expected when the transaction was consummated and may be dilutive to our overall operating results. Specifically, acquisitions could result in higher than expected deposit attrition, loss of key employees or other consequences that could adversely affect our ability to maintain relationships with customers and employees. We may also sell or consider selling one or more of our businesses. Such a sale would generally be subject to certain federal and/or state regulatory approvals, and may not be able to generate gains on sale or related increases in shareholder’s equity commensurate with desirable levels.

In addition to the acquisition of existing financial institutions, as opportunities arise, we plan to continue de novo branching as a part of our internal growth strategy and possibly enter into new markets through de novo branching. De novo branching and any acquisition carry numerous risks, including the following:

· the inability to obtain all required regulatory approvals;

· significant costs and anticipated operating losses associated with establishing a de novo branch or a new bank;

· the inability to secure the services of qualified senior management;

· the failure of the local market to accept the services of a new bank owned and managed by a bank holding company headquartered outside of the market area of the new bank;

· economic downturns in the new market;

· the inability to obtain attractive locations within a new market at a reasonable cost; and

· the additional strain on management resources and internal systems and controls.

We have experienced, to some extent, many of these risks with our de novo branching to date.

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Our decisions regarding the credit risk associated with the loan portfolios acquired in the FNBC transactions could be incorrect and our credit mark may be inadequate, which may adversely affect our financial condition and results of operations.

Before entering into the FNBC I transaction, the Company conducted extensive due diligence on a significant portion of the loans ultimately acquired.  However, the Company’s review did not encompass each and every loan in the loan portfolio acquired.  In accordance with customary industry practices, the Company evaluated the loan portfolio based on various factors including, among other things, historical loss experience, economic risks associated with each loan category, volume and types of loans, trends in classification, volume and trends in delinquencies and nonaccruals, and general economic conditions, both local and national.  In this process, the Company’s management made various assumptions and judgments about the collectability of the loan portfolio, including the creditworthiness and financial condition of the borrowers, the value of the real estate, which is obtained from independent appraisers, other assets serving as collateral for the repayment of the loans, the existence of any guarantees and the economic environment in which the borrowers operate.  If the Company’s assumptions and judgments turn out to be incorrect, including as a result of the fact that its due diligence review did not cover each individual loan, the Company’s estimated credit mark against the loan portfolio in total may be insufficient to cover actual loan losses after the transaction closes, and adjustments may be necessary to allow for different economic conditions affecting borrowers, new information regarding existing loans, identification of additional problem loans and other factors, both within and outside management’s control may require an increase in the provision for loan losses.  Material additions to the credit mark and/or allowance for loan losses would materially decrease the Company’s net income.

Changes in retail distribution strategies and consumer behavior may adversely impact our investments in bank premises, equipment, technology and other assets and may lead to increased expenditures to change our retail distribution channel.

We have significant investments in bank premises and equipment for our branch network.  Advances in technology such as e-commerce, telephone, internet and mobile banking, and in-branch self-service technologies including automated teller machines and other equipment, as well as an increasing customer preference for these other methods of accessing our products and services, could decrease the value of our branch network, technology, or other retail distribution physical assets and may cause us to change our retail distribution strategy, close and/or sell certain branches or parcels of land held for development and restructure or reduce our remaining branches and work force. These actions could lead to losses on these assets or could adversely impact the carrying value of any long-lived assets and may lead to increased expenditures to renovate, reconfigure or close a number of our remaining branches or to otherwise reform our retail distribution channel.

Risks Related to the Legal and Regulatory Environment

We are subject to regulation by various federal and state entities.

We are subject to the regulations of the Commission, the Federal Reserve, the FDIC, the CFPB and the MDBCF. New regulations issued by these agencies may adversely affect our ability to carry on our business activities. We are subject to various federal and state laws, and certain changes in these laws and regulations may adversely affect our operations. Other than the federal securities laws, the laws and regulations governing our business are intended primarily for the protection of our depositors, our customers, the financial system and the FDIC insurance fund, not our shareholders or other creditors. Further, we must obtain approval from our regulators before engaging in certain activities, and our regulators have the ability to compel us to, or restrict us from, taking certain actions entirely, such as increasing dividends, entering into merger or acquisition transactions, acquiring or establishing new branches, and entering into certain new businesses. Noncompliance with certain of these regulations may impact our business plans, including our ability to branch, offer certain products, or execute existing or planned business strategies.

The U.S. government responded to the 2008 financial crisis at an unprecedented level by introducing various actions and passing legislation such as the Dodd-Frank Act that place increased focus and scrutiny on the financial services industry. The Dodd-Frank Act contains various provisions designed to enhance the regulation of depository institutions and prevent the recurrence of a financial crisis such as the one that occurred in 2008-2009. New regulations from the CFPB, which was established by the Dodd-Frank Act, such as the Ability to Repay Rules, may materially raise the risk of consummating consumer credit transactions. The full impact on our business and operations will not be fully known until regulations implementing the statute are fully implemented and applied. The new rules issued in the wake of the Dodd-Frank Act may have a material impact on our operations, particularly through increased compliance costs resulting from possible future consumer and fair lending regulations.

Additionally, the “Basel III” regulatory capital reforms and changes required by the Dodd-Frank Act have impacted our regulatory capital levels. Basel III and its regulations require bank holding companies and banks to undertake significant activities to demonstrate compliance with the new and higher capital standards. Compliance with these rules impose additional costs on banking entities and their holding companies. The need to maintain more and higher quality capital as well as greater liquidity going forward could limit our business activities and our ability to maintain dividends. In addition, the new liquidity standards could require us to increase our holdings of highly liquid short-term investments, thereby reducing our ability to invest in longer-term, potentially higher yielding assets. We may also be required to pay significantly higher deposit insurance premiums if the number of bank failures or the cost of

24

resolving failed banks increase. For additional information regarding the Dodd-Frank Act, Basel III and other regulations to which our business is subject, see “Supervision and Regulation.”

Any of the laws or regulations to which we are subject, including tax laws, regulations or their interpretations, may be modified or changed from time to time, and we cannot be assured that such modifications or changes will not adversely affect us. Failure to appropriately comply with any such laws or regulations could result in sanctions by regulatory authorities, civil monetary penalties or damage to our reputation, all of which could adversely affect our business, financial condition or results of operations.

Changes in accounting policies or in accounting standards could materially affect how we report our financial condition and results of operations.

The preparation of consolidated financial statements in conformity with U.S generally accepted accounting principles (“GAAP”), including the accounting rules and regulations of the Commission and the Financial Accounting Standards Board (the “FASB”), requires management to make significant estimates and assumptions that impact our financial statements by affecting the value of our assets or liabilities and results of operations. Some of our accounting policies are critical because they require management to make difficult, subjective and complex judgments about matters that are inherently uncertain and because materially different amounts may be reported if different estimates or assumptions are used. If such estimates or assumptions underlying our financial statements are incorrect, our financial condition and results of operations could be adversely affected.

From time to time, the FASB and the Commission change the financial accounting and reporting standards or the interpretation of such standards that govern the preparation of our external financial statements. These changes are beyond our control, can be difficult to predict, may require extraordinary efforts or additional costs to implement and could materially impact how we report our financial condition and results of operations. Additionally, we may be required to apply a new or revised standard retrospectively, resulting in the restatement of prior period financial statements in material amounts.

We and other financial institutions have been the subject of litigation, investigations and other proceedings which could result in legal liability and damage to our reputation.

We and certain of our directors, officers and subsidiaries may be named from time to time as defendants in various class actions and other litigation relating to our business and activities. Past, present and future litigation has included or could include claims for substantial compensatory and/or punitive damages or claims for indeterminate amounts of damages. We are also involved from time to time in other reviews, investigations and proceedings (both formal and informal) by governmental, law enforcement and self-regulatory agencies regarding our business. These matters could result in adverse judgments, settlements, fines, penalties, injunctions, amendments and/or restatements of our Commission filings and/or financial statements, determinations of material weaknesses in our disclosure controls and procedures or other relief. Like other financial institutions and companies, we are also subject to risk from employee misconduct, including non-compliance with policies and improper use or disclosure of confidential information. Substantial legal liability or significant regulatory action against us, as well as matters in which we are involved that are ultimately determined in our favor, could materially adversely affect our business, financial condition or results of operations, cause significant reputational harm to our business, divert management attention from the operation of our business and/or result in additional litigation.

In addition, in recent years, a number of judicial decisions have upheld the right of borrowers to sue lending institutions on the basis of various evolving legal theories, collectively termed “lender liability.” Generally, lender liability is founded on the premise that a lender has either violated a duty, whether implied or contractual, of good faith and fair dealing owed to the borrower or has assumed a degree of control over the borrower resulting in the creation of a fiduciary duty owed to the borrower or its other creditors or shareholders. In the future, we could become subject to claims based on this or other evolving legal theories.

Risks Related to Our Common Stock

Securities issued may be senior to our common stock and may have a dilutive effect.

Our common stock ranks junior to all of our existing and future indebtedness with respect to distributions and liquidation. In addition, future issuances of equity securities, including pursuant to outstanding options, could dilute the interests of our existing shareholders, including you, and could cause the market price of our common stock to decline. The issuance of any additional shares of common or preferred stock could be substantially dilutive to shareholders of our common stock. Moreover, to the extent that we issue restricted stock units, phantom shares, stock appreciation rights, options or warrants to purchase our common stock in the future and those stock appreciation rights, options or warrants are exercised or as the restricted stock units vest, our shareholders may experience further dilution.

Holders of our shares of common stock do not have preemptive rights. Additionally, sales of a substantial number of shares of our common stock in the public markets and the availability of those shares for sale could adversely affect the market price of our common stock.

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Our ability to deliver and pay dividends depends primarily upon the results of operations of our subsidiary Bank, and we may not pay, or be permitted to pay, dividends in the future.

We are a bank holding company that conducts substantially all of our operations through our subsidiary Bank. As a result, our ability to make dividend payments on our common stock will depend primarily upon the receipt of dividends and other distributions from the Bank.

The ability of the Bank to pay dividends or make other payments to us, as well as our ability to pay dividends on our common stock, is limited by the Bank’s obligation to maintain sufficient capital and by other general regulatory restrictions on its dividends, which have tightened since the financial crisis. The Federal Reserve has stated that bank holding companies should not pay dividends from sources other than current earnings. If these requirements are not satisfied, we will be unable to pay dividends on our common stock.

We may also decide to limit the payment of dividends even when we have the legal ability to pay them in order to retain earnings for use in our business, which could adversely affect the market value of our common stock. There can be no assurance of whether or when we may pay dividends in the future.

Anti-takeover provisions in our amended articles of incorporation and bylaws, Mississippi law, and our Shareholder Rights Plan could make a third-party acquisition of us difficult and may adversely affect share value.

Our amended articles of incorporation and bylaws contain provisions that make it more difficult for a third party to acquire us (even if doing so might be beneficial to our shareholders) and for holders of our securities to receive any related takeover premium for their securities.

We are also subject to certain provisions of state and federal law and our articles of incorporation that may make it more difficult for someone to acquire control of us. Under federal law, subject to certain exemptions, a person, entity, or group must notify the federal banking agencies before acquiring 10% or more of the outstanding voting stock of a bank holding company, including our shares. Banking agencies review the acquisition to determine if it will result in a change of control. The banking agencies have 60 days to act on the notice, and take into account several factors, including the resources of the acquirer and the antitrust effects of the acquisition. Additionally, a bank holding company must obtain the prior approval of the Federal Reserve before, among other things, acquiring direct or indirect ownership or control of more than 5% of the voting shares of any bank. There are also Mississippi statutory provisions and provisions in our articles of incorporation that may be used to delay or block a takeover attempt. As a result, these statutory provisions and provisions in our articles of incorporation could result in our being less attractive to a potential acquirer and limit the price that investors might be willing to pay in the future for shares of our common stock.

Shares of our common stock are not insured deposits and may lose value.

Shares of our common stock are not savings accounts, deposits or other obligations of any depository institution and are not insured or guaranteed by the FDIC or any other governmental agency or instrumentality, any other deposit insurance fund or by any other public or private entity, and are subject to investment risk, including the possible loss of principal.

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ITEM1B.       UNRESOLVED STAFF COMMENTS

None.

ITEM2.       PROPERTIES

The Company’s main office, which is the headquarters of the holding company, is located at One Hancock Plaza, in Gulfport, Mississippi. The Bank makes portions of their main office facilities and certain other facilities available for lease to third parties, although such incidental leasing activity is not material to the Company’s overall operations.

The Company operates 237 full service banking and financial services offices and 277 automated teller machines across a Gulf south corridor comprising south Mississippi; southern and central Alabama; southern Louisiana; the northern, central, and Panhandle regions of Florida; and Houston, Texas. Additionally, the Company operates a loan production office in Nashville, Tennessee. The Company owns approximately 46% of these facilities, and the remaining banking facilities are subject to leases, each of which we consider reasonable and appropriate for its location. We ensure that all properties, whether owned or leased, are maintained in suitable condition. We also evaluate our banking facilities on an ongoing basis to identify possible under-utilization and to determine the need for functional improvements, relocations, closures or possible sales. The Bank and subsidiaries of the Bank hold a variety of property interests acquired in settlement of loans. Some of these properties were acquired in transactions before 1979 and are carried at nominal amounts on our balance sheet and reflected a net loss of $50,500 in our operating results in 2017.

ITEM 3.       LEGAL PROCEEDINGS

We and our subsidiaries are party to various legal proceedings arising in the ordinary course of business. We do not believe that loss contingencies, if any, arising from pending litigation and regulatory matters will have a material adverse effect on our consolidated financial position or liquidity.

ITEM 4.       MINE SAFETY DISCLOSURES

Not applicable.

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PART II

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

Market Information

The Company’s common stock trades on the NASDAQ Global Select Market under the ticker symbol “HBHC.” The following table sets forth the high and low sale prices of the Company’s common stock as reported on the NASDAQ Global Select Market. These prices do not reflect retail mark-ups, mark-downs or commissions.

					Cash
	High		Low		Dividends
	Sale		Sale		Paid
2017
4th quarter	$	53.35	$	46.18	$	0.24
3rd quarter		50.40		41.05		0.24
2nd quarter		52.94		42.70		0.24
1st quarter		49.50		41.71		0.24
2016
4th quarter	$	45.50	$	31.73	$	0.24
3rd quarter		32.94		24.49		0.24
2nd quarter		27.84		21.93		0.24
1st quarter		25.84		20.01		0.24

There were 9,879 active holders of record of the Company’s common stock at January 31, 2018 and 85,253,113 shares outstanding. On January 31, 2018, the high and low sale prices of the Company’s common stock as reported on the NASDAQ Global Select Market were $54.83 and $53.58, respectively.

The principal sources of funds to the Company to pay cash dividends are the dividends received from the Bank. Consequently, cash dividends paid are dependent upon the Bank’s earnings, capital needs and statutory and regulatory limitations. Federal and state banking laws and regulations restrict the amount of dividends and loans a bank may make to its parent company. Dividends paid to the Company by the Bank are subject to approval by the Commissioner of Banking and Consumer Finance of the State of Mississippi. We do not expect the foregoing restrictions to affect our ability to pay cash dividends. Although no assurance can be given that the Company will continue to declare and pay regular quarterly cash dividends on its common stock, regular cash dividends have been paid to shareholders since 1937.

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Stock Performance Graph

The following performance graph and related information are neither “soliciting material” nor “filed” with the SEC, nor shall such information be incorporated by reference into any future filings under the Securities Act of 1933 or the Securities Exchange Act of 1934, each as amended, except to the extent the Company specifically incorporates it by reference into such filing.

The performance graph compares the cumulative five-year shareholder return on the Company’s common stock, assuming an investment of $100 on December 31, 2012 and the reinvestment of dividends thereafter, to that of the common stocks of United States companies reported in the Nasdaq Total Return Index and the common stocks of the KBW Regional Banks Total Return Index. The KBW Regional Banks Total Return Index is a proprietary stock index of Keefe, Bruyette & Woods, Inc., that tracks the returns of 50 regional banking companies throughout the United States.

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Equity Compensation Plan Information

The following table provides information as of December 31, 2017 with respect to shares of common stock that may be issued under the Company’s equity compensation plans.

	Number of Securities to be Issued Upon Exercise of Outstanding Options, Warrants and Rights		Weighted-Average Exercise Price of Outstanding Options, Warrants and Rights			Number of Securities Remaining Available for Future Issuance Under Equity Compensation Plans (Excluding Securities Reflected in Column (a))
Plan Category	(a)		(b)			(c)
Equity compensation plans approved by security holders	258,588	(1)	$	33.71	(2)	1,635,888
Equity compensation plans not approved by security holders	9,097	(3)		44.68	(3)	—
Total	267,685					1,635,888

(1) Includes 72,222 shares potentially issuable upon the vesting of outstanding restricted share units and 24,508 shares potentially issuable upon the vesting of outstanding performance share units that represent awards deferred into the Company’s Nonqualified Deferred Compensation Plan. This includes 87,386 performance stock awards at 100% of target. If the highest level of performance conditions is met, the total performance shares would be 174,772and the total performance share units would be 49,016.  

(2) The weighted average exercise price relates only to the exercise of outstanding options included in column (a)

(3) Represents securities to be issued upon the exercise of options that were assumed by the Company in the acquisition of Whitney Holding Corporation.

Issuer Purchases of Equity Securities

None.

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ITEM6.SELECTED FINANCIAL DATA

The following tables set forth certain selected historical consolidated financial data and should be read in conjunction with Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and the Consolidated Financial Statements and Notes thereto included in Item 8. “Financial Statements and Supplementary Data.”  An overview of non-GAAP measures and the reasons why management believes they are useful is included in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” that appears in Item 7. “Non-GAAP financial measures.”

	Years Ended December 31,
(in thousands, except per share data)	2017		2016		2015		2014		2013
Income Statement:
Interest income	$	900,581	$	732,167	$	679,646	$	692,813	$	722,210
Interest income (te) (a)		934,971		758,006		693,234		703,460		732,620
Interest expense		108,269		73,051		54,472		38,119		41,479
Net interest income (te) (a)		826,702		684,955		638,762		665,341		691,141
Provision for loan losses		58,968		110,659		73,038		33,840		32,734
Noninterest income		267,781		250,781		237,284		227,999		246,143
Noninterest expense (excluding amortization
of intangibles)		670,274		592,534		595,471		579,869		648,804
Amortization of intangibles		22,417		19,781		24,184		26,797		29,470
Income before income taxes		308,434		186,923		169,765		242,187		215,866
Income tax expense		92,802		37,627		38,304		66,465		52,510
Net income	$	215,632	$	149,296	$	131,461	$	175,722	$	163,356
For informational purposes only:
Nonoperating items, net - pre-tax		24,121		4,978		15,908		25,686		37,898
Impact of re-measurement of deferred tax asset (b)		19,520		—		—		—		—
Common Share Data:
Earnings per share:
Basic earnings per share	$	2.49	$	1.87	$	1.64	$	2.10	$	1.93
Diluted earnings per share		2.48		1.87		1.64		2.10		1.93
Cash dividends paid		0.96		0.96		0.96		0.96		0.96
Book value per share (period-end)		33.86		32.29		31.14		30.74		29.49
Tangible book value per share (period-end)		24.05		23.87		21.74		21.37		19.94

(a) For analytical purposes, management adjusts interest income and net interest income to a taxable equivalent basis using a 35% federal tax rate on tax-exempt items.  

(b) Income tax expense resulting from re-measurement of the net deferred tax asset following the enactment of the Tax Act.

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	At and For the Years Ended December 31,
(in thousands)	2017		2016		2015		2014		2013
Period-End Balance Sheet Data:
Total loans, net of unearned income (a)	$	19,004,163	$	16,752,151	$	15,703,314	$	13,895,276	$	12,324,817
Loans held for sale		39,865		34,064		20,434		20,252		24,515
Securities		5,888,380		5,017,128		4,463,792		3,826,454		4,033,124
Short-term investments		92,384		78,177		565,555		802,948		268,839
Total earning assets		25,024,792		21,881,520		20,753,095		18,544,930		16,651,295
Allowance for loan losses		(217,308)		(229,418)		(181,179)		(128,762)		(133,626)
Goodwill		745,523		621,193		621,193		621,193		625,675
Other intangible assets, net		90,640		87,757		107,538		132,810		159,773
Other assets		1,692,439		1,614,250		1,532,958		1,576,371		1,704,722
Total assets	$	27,336,086	$	23,975,302	$	22,833,605	$	20,746,542	$	19,007,839
Noninterest-bearing deposits	$	8,307,497	$	7,658,203	$	7,276,127	$	5,945,208	$	5,530,253
Interest-bearing transaction and savings deposits		8,181,554		6,910,466		6,767,881		6,531,628		6,162,959
Interest-bearing public fund deposits		3,040,318		2,563,758		2,253,645		1,982,616		1,571,532
Time deposits		2,723,833		2,291,839		2,051,259		2,113,379		2,095,772
Total interest-bearing deposits		13,945,705		11,766,063		11,072,785		10,627,623		9,830,263
Total deposits		22,253,202		19,424,266		18,348,912		16,572,831		15,360,516
Short-term borrowings		1,703,890		1,225,406		1,423,644		1,151,573		657,960
Long-term debt		305,513		436,280		490,145		373,647		384,414
Other liabilities		188,532		169,582		157,761		176,089		179,880
Stockholders' equity		2,884,949		2,719,768		2,413,143		2,472,402		2,425,069
Total liabilities & stockholders' equity	$	27,336,086	$	23,975,302	$	22,833,605	$	20,746,542	$	19,007,839
Average Balance Sheet Data:
Total loans, net of unearned income (a)	$	18,280,885	$	16,064,593	$	14,433,367	$	12,938,869	$	11,700,218
Loans held for sale		21,920		28,777		18,101		16,540		24,986
Securities (b)		5,442,829		4,706,482		4,208,195		3,816,724		4,140,051
Short-term investments		363,077		380,294		513,659		423,359		578,613
Total earning assets		24,108,711		21,180,146		19,173,322		17,195,492		16,443,868
Allowance for loan losses		(223,416)		(217,550)		(133,470)		(129,642)		(137,897)
Goodwill and other intangible assets		806,900		718,592		740,666		768,047		799,996
Other assets		1,548,556		1,497,445		1,464,502		1,601,883		1,821,333
Total  assets	$	26,240,751	$	23,178,633	$	21,245,020	$	19,435,780	$	18,927,300
Noninterest-bearing deposits	$	7,777,652	$	7,232,221	$	6,195,234	$	5,641,792	$	5,393,955
Interest-bearing transaction and savings deposits		7,746,220		6,772,364		6,877,394		6,173,683		5,962,114
Interest-bearing public fund deposits		2,664,929		2,261,659		1,844,802		1,530,972		1,410,679
Time deposits		2,642,781		2,390,081		2,207,359		2,053,546		2,350,488
Total  interest-bearing deposits		13,053,930		11,424,104		10,929,555		9,758,201		9,723,281
Total deposits		20,831,582		18,656,325		17,124,789		15,399,993		15,117,236
Short-term borrowings		2,006,896		1,412,194		1,025,133		1,005,680		806,082
Long-term debt		384,127		469,064		478,078		378,645		387,435
Other liabilities		211,278		177,983		174,233		176,514		229,983
Stockholders' equity		2,806,868		2,463,067		2,442,787		2,474,948		2,386,564
Total liabilities & stockholders' equity	$	26,240,751	$	23,178,633	$	21,245,020	$	19,435,780	$	18,927,300

(a) Includes nonaccrual loans.

(b) Average securities does not include unrealized holding gains/losses on available for sale securities.

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	Years Ended December 31,
($ in thousands)	2017		2016		2015		2014		2013
Performance Ratios:
Return on average assets		0.82%		0.64%		0.62%		0.90%		0.86%
Return on average common equity		7.68%		6.06%		5.38%		7.10%		6.84%
Return on average tangible common equity		10.78%		8.56%		7.72%		10.30%		10.30%
Earning asset yield (te)		3.88%		3.58%		3.62%		4.09%		4.45%
Total cost of funds		0.45%		0.34%		0.28%		0.22%		0.25%
Net interest margin (te)		3.43%		3.23%		3.33%		3.87%		4.20%
Noninterest income to total revenue (te)		24.47%		26.80%		27.09%		25.52%		26.26%
Efficiency ratio (a)		58.87%		62.79%		66.12%		62.03%		65.17%
Average loan/deposit ratio		87.76%		86.11%		84.28%		84.02%		77.40%
FTE employees (period-end)		3,887		3,724		3,921		3,794		3,978
Capital Ratios:
Common stockholders' equity to total assets		10.55%		11.34%		10.57%		11.92%		12.76%
Tangible common equity ratio (b)		7.73%		8.64%		7.62%		8.59%		9.00%
Tier 1 leverage		8.43%		9.56%		8.55%		9.17%		9.34%
Tier 1 risk-based capital		10.21%		11.26%		9.96%		11.23%		11.76%
Total risk-based capital		11.90%		13.21%		11.86%		12.30%		13.11%
Asset Quality Information:
Nonaccrual loans (c)	$	252,800	$	317,970	$	159,713	$	79,537	$	99,686
Restructured loans		120,493		39,818		4,297		8,971		9,272
Total nonperforming loans		373,293		357,788		164,010		88,508		108,958
Other real estate (ORE) and foreclosed assets		27,542		18,943		27,133		59,569		76,979
Total nonperforming assets	$	400,835	$	376,731	$	191,143	$	148,077	$	185,937
Accruing loans 90 days past due (d)		27,766		3,039		7,653		4,825		10,387
Net charge-offs  - non-purchased credit impaired		68,729		59,057		16,212		17,119		24,309
Net charge-offs - purchased credit impaired		(177)		(594)		1,609		2,501		2,355
Allowance for loan losses		217,308		229,418		181,179		128,762		133,626
Provision for loan losses		58,968		110,659		73,038		33,840		32,734
Ratios:
Nonperforming assets to loans + ORE
and foreclosed assets		2.11%		2.25%		1.22%		1.06%		1.50%
Accruing loans 90 days past due as a percent of loans		0.15%		0.02%		0.05%		0.03%		0.08%
Nonperforming assets + accruing loans 90 days past
due to loans + foreclosed assets		2.25%		2.26%		1.26%		1.10%		1.58%
Net charge-offs - non-purchased credit impaired to average loans		0.38%		0.37%		0.11%		0.13%		0.21%
Allowance for loan losses to period-end loans		1.14%		1.37%		1.15%		0.93%		1.08%
Allowance for loan losses to nonperforming loans
and accruing loans 90 days past due		54.18%		63.58%		105.54%		137.96%		111.97%

(a) The efficiency ratio is noninterest expense to total net interest (te) and noninterest income, excluding amortization of purchased intangibles and nonoperating items

(b) The tangible common equity ratio is common shareholders’ equity less intangible assets divided by total assets less intangible assets.

(c) Included in nonaccrual loans are $99.2 million, $81.9 million, $8.8 million, $7.0 million, and $15.7 million of nonaccruing restructured loans at December 31, 2017, 2016, 2015, 2014, and 2013, respectively.  Nonaccrual loans and accruing loans past due 90 days or more do not include purchased credit impaired loans, which were written down to fair value upon acquisition and accrete interest income over the remaining life of the loan. 

(d) Nonaccrual loans and accruing loans past due 90 days or more do not include purchased credit impaired loans with an accretable yield. 

33

Reconciliation of reported to core net interest income (te) and core net interest margin (te)

	Years Ended December 31,
(in thousands)	2017			2016				2015			2014		2013
Net Interest income	$	792,312		$	659,116		$	625,174		$	654,694		$	680,731
Tax-equivalent adjustment (te) (a)		34,390			25,839			13,588			10,647			10,410
Net interest income (te)	$	826,702		$	684,955		$	638,762		$	665,341		$	691,141
Purchase accounting adjustments
Loan discount accretion (b)		29,809			21,745			38,884			97,748			144,682
Bond premium amortization (c)		(1,536)			(2,460)			(3,797)			(5,449)			(11,502)
CD premium accretion		—			—			—			203			744
Total net purchase accounting adjustments		28,273			19,285			35,087			92,502			133,924
Net interest income (te) - core	$	798,429		$	665,670		$	603,675		$	572,839		$	557,217
Average earning assets	$	24,108,711		$	21,180,146		$	19,173,322		$	17,195,492		$	16,443,868
Net interest margin - reported		3.43	%		3.23	%		3.33	%		3.87	%		4.20	%
Net purchase accounting adjustments		0.12	%		0.09	%		0.19	%		0.54	%		0.81	%
Net interest margin - core		3.31	%		3.14	%		3.14	%		3.33	%		3.39	%

Core revenue (te) and core pre-provision net revenue (te)

	Years Ended December 31,
(in thousands)		2017		2016		2015		2014		2013
Net interest income	$	792,312	$	659,116	$	625,174	$	654,694	$	680,731
Noninterest income		267,781		250,781		237,284		227,999		246,143
Total revenue	$	1,060,093	$	909,897	$	862,458	$	882,693	$	926,874
Tax-equivalent adjustment (a)		34,390		25,839		13,588		10,647		10,410
Purchase accounting adjustments - revenue (d)		(25,846)		(13,367)		(29,343)		(80,417)		(132,335)
Nonoperating revenue		(4,352)		—		—		—		—
Core revenue (te)	$	1,064,285	$	922,369	$	846,703	$	812,923	$	804,949
Noninterest expense		(692,691)		(612,315)		(619,655)		(606,666)		(678,274)
Intangible amortization		22,417		19,781		24,184		26,797		29,470
Nonoperating expense		28,473		4,978		15,908		25,686		37,898
Core pre-provision net revenue (te)	$	422,484	$	334,813	$	267,140	$	258,740	$	194,043

(a) Taxable equivalent (te) amounts are calculated using a marginal federal income tax rate of 35%.

(b) Includes net loan discount accretion arising from acquisitions accounted for as business combinations.

(c) Includes net investment premium amortization arising from acquisitions accounted for as a business combination.

(d) Includes net loan discount accretion and net investment premium amortization as defined in (b) and (c) and amortization of the FDIC loss share receivable.

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ITEM7.MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The purpose of this discussion and analysis is to focus on significant changes and events in the financial condition and results of operations of Hancock Holding Company and our subsidiaries during 2017 and selected prior periods. This discussion and analysis is intended to highlight and supplement financial and operating data and information presented elsewhere in this report, including the consolidated financial statements and related notes.

Non-GAAP Financial Measures

Management’s Discussion and Analysis of Financial Condition and Results of Operations include non-GAAP measures used to describe our performance.  A reconciliation of those measures to GAAP measures are provided in Item 6. “Selected Financial Data.”  The following is an overview of the non-GAAP measures used and the reasons why management believes they are useful and important in understanding the Company’s financial condition and results of operations are included below.

Consistent with Securities and Exchange Commission Industry Guide 3, we present net interest income, net interest margin and efficiency ratios on a fully taxable equivalent (“te”) basis. The te basis adjusts for the tax-favored status of net interest income from certain loans and investments using the statutory federal tax rate (35% for all periods presented) to increase tax-exempt interest income to a taxable-equivalent basis. We believe this measure to be the preferred industry measurement of net interest income and it enhances comparability of net interest income arising from taxable and tax-exempt sources.

We continue our focus on strategic initiatives to improve core income, which we define as income excluding net purchase accounting income and expense and nonoperating items. We present core income non-GAAP measures including core net interest income and core net interest margin, core revenue and core pre-provision net revenue.  These measures are provided to assist the reader with a better understanding of the Company’s performance period over period, as well as to assist investors in understanding the success management has experienced in executing its strategic initiatives.

We define Core Net Interest Income as net interest income (te) excluding net purchase accounting accretion resulting from the fair market value adjustments related to acquired operations.  We define Core Net Interest Margin as reported core net interest income, annualized, expressed as a percentage of average earning assets. 

We define Core Revenue as core net interest income and noninterest income less the amortization of the FDIC loss share receivable related to loans acquired in an FDIC assisted transaction and other nonoperating items.

We define Core Pre-Provision Net Revenue as core revenue less noninterest expense, excluding nonoperating items and amortization of intangibles. Management believes that core pre-provision net revenue is a useful financial measure because it enables investors and others to assess the Company’s ability to generate capital to cover credit losses through a credit cycle.

EXECUTIVE OVERVIEW

Management is proud of our activities and operating results in 2017.  We have re-entered the acquisition arena and successfully completed two transactions and integrations that expanded our customer base and market position in our footprint.  We introduced new online and mobile banking capabilities for our customers, offering more products and services to improve overall customer experience.  We were able to meet our previous corporate objectives for earnings and performance measures earlier than targeted.  We believe that we are well positioned in 2018 to continue to build on our success.

Acquisitions

On March 10, 2017, we, through our wholly-owned subsidiary, Whitney Bank (“Whitney”), completed a transaction with First NBC Bank (“FNBC”), whereby Whitney acquired approximately $1.2 billion in loans (net of fair value discount or “loan mark”), nine branch locations with $398 million in deposits, and assumed $604 million in FHLB borrowings.  The operational conversion of the branch locations occurred in the second quarter of 2017, along with the simultaneous closure of 10 overlapping branches.  This transaction is referred to as the FNBC I transaction throughout this annual report.

On April 28, 2017, Whitney entered into a purchase and assumption agreement with the FDIC (“Agreement”), which acted as the receiver for the Louisiana Office of Financial Institutions (OFI) following the OFI’s closure of FNBC.  This transaction is referred to as the FNBC II transaction throughout this annual report. Pursuant to the Agreement, Whitney acquired select assets and assumed select liabilities of FNBC from the FDIC and continued to operate the 29 former FNBC branch locations until systems conversion, which occurred in July 2017.  In the third quarter of 2017, Whitney exercised its option to acquire seven additional former FNBC locations and closed and consolidated 25 overlapping branch locations.

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Under the Agreement, Whitney assumed approximately $1.6 billion in deposits and customer repurchase agreements and acquired $165 million in performing loans, and $791 million in other assets.  Whitney received approximately $642 million in cash from the FDIC for the net liabilities assumed.

The terms of the Agreement require the FDIC to indemnify Whitney against certain liabilities of FNBC and its affiliates not assumed or otherwise purchased by Whitney. Neither the Company nor Whitney Bank acquired any assets, common stock, preferred stock, or assumed any debt or other obligations, of First NBC Bank Holding Company.

Management believes these low risk in-market transactions strengthen our position in the Greater New Orleans area and are financially compelling, which will help us achieve our long term goals.

In December 2017, we announced our entry into an agreement to acquire the bank-managed high net worth individual and institutional investment management and trust business from Capital One. The transaction is expected to close late in the second quarter of 2018, subject to regulatory approvals and other customary conditions.  The combination is expected to bring assets under administration and assets under management to approximately $26 billion and $10 billion, respectively, and produce combined annual revenue of $70 to $75 million. Additionally, it will provide opportunity to develop relationships for other private, wholesale and retail services.

For additional information on these transactions, refer to Note 2 – Acquisitions in Item 8. “Financial Statements and Supplementary Data.”

Current Economic Environment

Most of our market area experienced a modest to moderate expansion in economic activity during 2017, according to the Federal Reserve’s Summary of Commentary on Current Economic Conditions (“Beige Book”).  Energy-related businesses operating mainly in Hancock’s south Louisiana and Houston, Texas markets expanded.  Although inventories decreased as a result of Hurricane Harvey, drilling activity has returned to pre-hurricane levels.  Overall growth in oil and gas production continued with oilfield services steady in the Permian Basin and improving in the Eagle Ford Shale. The outlook for 2018 is improved but remains conservative as drilling activity, production and employment is expected to grow throughout the year. An increase in lending and investments deals is expected during 2018.

The commercial real estate market continued to improve in most of our footprint, with growing demand for multi-family construction.  In the Houston market, apartment leasing activity picked up, occupancy rose and rent concessions diminished following Hurricane Harvey.  Commercial construction activity also increased in these sectors.  Continued improvement is expected in the commercial real estate market in 2018. 

Modest growth in residential real estate in most of our markets was noted, with construction activity slightly up over last year.  Brokers noted home sales activity was flat to down slightly from last year while builders said home sales were flat to slightly up from last year. Homebuilders noted ongoing pushback from buyers on new home pricing.   Residential real estate contacts signaled flat to modest growth over last year and builders expect the pace of construction activity to be flat or increase slightly. 

Retail sales activity and consumer spending outlook was positive.  Auto sales remained very strong.  Employment growth was steady, however, challenges in finding workers was noted as constraining growth to some extent.  Wage growth remained steady, with compensation negotiations being more prevalent among highly skilled and specialized workers.

The overall economic outlook remains positive, as we see increasing economic optimism throughout our primary market areas.  Overall, demand for loans is positive; however the supply of lenders is growing and terms and conditions are aggressive, resulting in the potential for moderating growth for the year.Commercial loan demand remains strong, but is mixed across our footprint.  Nonbank lenders are making inroads with aggressive terms and underwriting, which may have the impact of dampening new loan origination volumes for traditional banks.  Strong home prices, reduced inventories and continuing interest rate increases in 2018 may have a softening impact on residential mortgage demand and associated originations for the year. 

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Overview of 2017 Financial Results

Net income for the year ended December 31, 2017 was $215.6 million, or $2.48 per diluted common share, compared to $149.3 million, or $1.87 per diluted common share in 2016. This 44% increase was mainly attributable to increases in both net interest and noninterest income and a decrease in provision for loan losses, partially offset by an increase in noninterest expense.  The Company’s return on average assets (ROA) for 2017 was 0.82% compared to 0.64% for 2016. Results for 2017 reflect the impact of the FNBC I and II transactions from their respective effective dates, including nonoperating costs related to the transactions as well as nonpermanent costs incurred prior to branch consolidations and conversions.  The results of 2017 also include a $19.5 million charge to income tax expense associated with the re-measurement of our net deferred tax asset following the enactment of the Tax Cuts and Jobs Act of 2017 (“Tax Act”).

· Net interest income (te) totaled $827 million in 2017, a $142 million, or 21%, increase from 2016. This increase was mainly the result of the impact from a $2.9 billion increase in average earning assets, due in part to the FNBC transactions. Net interest margin increased 20 basis points (bps) to 3.43% in 2017 due in part to a $9.0 million increase in net purchase accounting discount accretion related to the FNBC transactions.  Excluding the net purchase accounting discount accretion, the Company’s core net interest margin for 2017 was 3.31%, up 17 bps from 2016.

· The provision for loan losses was $59.0 million in 2017, a decrease of $51.7 million, or 47%, compared to 2016.  The 2016provision expense reflected an allowance build for credit quality deterioration related to energy sector loans. While the energy sector continues to be under stress and drove higher than average losses in 2017, we believe the allowance for energy-related loans is adequate and allowed it to decline in 2017 with the resolution of credits. The allowance for loan losses totaled $217.3 million at December 31, 2017, a $12 million decrease from the previous yearend.  The allowance for loan losses related to the energy portfolio totaled $70.2 million at December 31, 2017, or 6.7% of energy loans outstanding, down from $106.5 million, or 7.5%, at December 31, 2016.  

· Noninterest income for 2017 totaled $267.8 million compared to $250.8 million in 2016.  This $17.0 million, or 7%, increase was driven by increases in a number of categories including service charges on deposit accounts and bankcard fees, as well as a $4.4 million gain on the sale of selected Hancock Horizon funds which is considered a nonoperating item.

· Noninterest expense totaled $692.7 million in 2017 compared to $612.3 million in 2016.  This increase was mainly related to the FNBC transactions.  Nonoperating expenses were $28.5 million in 2017 compared to $5.0 million in 2016.   Nonoperating expense in 2017 related primarily to acquisition-related costs as well as a $6.6 million expense associated with the termination of FDIC loss share agreements.

· Core pre-provision net revenue(te) (“core PPNR”) was $422.5 million for the year ended December 31, 2017, compared to $334.8 million for the year ended December 31, 2016.  The company established as one of its 2017 corporate objectives to achieve a core PPNR of $371.7 million.  The company exceeded this goal by $50.8 million.

· Income tax expense for 2017 totaled $92.8 million with an effective tax rate of 30% compared to $37.6 million with an effective tax rate of 20% for 2016.  Income tax expense for 2017 included a $19.5 million charge for the re-measurement of net deferred tax assets following the enactment of the Tax Act.  Excluding the impact of the re-measurement charge, the effective tax rate was 24% in 2017, lower than the 2017 statutory rate of 35% due primarily to tax-exempt income and tax credits.  We expect to earn back the re-measurement charge through tax savings in 2018, while also using the benefits to accelerate planned technology projects and other investments to improve customer experience.

Total assets at December 31, 2017 were $27.3 billion, up $3.4 billion, or 14%, from the prior yearend. Total loans increased $2.2 billion, or 13%, during 2017, with approximately $1 billion related to the FNBC transactions.  Net loan growth was experienced in most major product lines across the Company’s footprint, except energy, during 2017.  At December 31, 2017, energy- related loans totaled $1.06 billion, or 5.6% of total loans, down $356 million, or 25%, from December 31, 2016, as we continue to reduce our concentration in this industry.

At December 31, 2017, total deposits were $22.3 billion, up approximately $2.8 billion, or 15%, from December 31, 2016.  The deposits acquired in the FNBC transactions accounted for $1.5 million of the increase.  All deposit categories reflected a year-over-year increase. Noninterest-bearing deposits increased 8%, to $8.3 billion, and comprised 37% of total deposits at December 31, 2017.  Total noninterest-bearing and interest-bearing transaction and savings deposits were up $1.9 billion, or 13%, in 2017, with $1.2 billion related to the FNBC transactions.

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RESULTS OF OPERATIONS

Net Interest Income

Net interest income (te) is the primary component of our earnings and represents the difference, or spread, between revenue generated from interest-earning assets and the interest expense related to funding those assets. For analytical purposes, net interest income is adjusted to a taxable equivalent basis using the statutory federal tax rate (35% for all periods presented) on tax exempt items (primarily interest on municipal securities and loans).

The net interest margin will be negatively impacted by approximately 8 bps as a result of the reduced tax benefit from the change in the tax rate from 35% to 21% by the Tax Act.

2017 compared to 2016

Net interest income (te) for 2017 totaled $827 million, a $142 million, or 21%, increase from 2016. Excluding net purchase accounting discount accretion, core net interest income was $798 million, up $133 million, or 20%, in 2017 compared to 2016. This increase primarily resulted from interest earned on a $2.9 billion, or 14%, increase in average earning assets.  The average earning asset growth is attributable to both the FNBC transactions and continued growth from a number of strategic initiatives management implemented in recent years to increase sustainable interest income. These initiatives included, among other items, hiring experienced middle market commercial lenders in growing markets, expanding the Company’s product base in areas such as specialty financing, lease financing and health care, and opening business banking centers specifically designed for commercial customers.

The net interest margin increased 20 bps to 3.43% in 2017 from 3.23% in 2016 primarily due to the acquisition of higher-yielding FNBC loans and the Federal Reserve rate increases, as well as a 3 bp increase in net purchase accounting discount accretion. Excluding purchase accounting discount accretion, the 2017 core net interest margin increased 17 bps to 3.31% in 2017 from 3.14% in 2016. The net interest margin is the ratio of net interest income (te) to average earning assets. The sections on Asset/Liability Management and Net Interest Income at Risk in this section provide additional information regarding the Company’s management of interest rate risk and the potential impact from changes in interest rates, respectively.

The overall yield on earning assets was 3.88% in 2017, up 30 bps from 2016. The loan portfolio yield was 4.35% in 2017 compared to 4.01% in 2016. Excluding the impact from purchase accounting discount accretion, the loan yield was up 31 bps to 4.18%. The tax-equivalent yield on the investment securities portfolio increased 13 bps from 2016 to 2.50%, reflecting a change in the mix within the investment securities portfolio with a higher concentration of higher-yielding municipal loans andin commercial mortgage-backed securities.Commercial mortgage-backed securities totaled approximately $1.0 billion at December 31, 2017, and $501 million at December 31, 2016.

The cost of funding earning assets increased 11 bps to 0.45% in 2017 due to a combination of higher cost deposits acquired in the FNBC transactions and interest rate increases during the year. Borrowing costs increased 5 bps from 1.28% in 2016 to 1.33% in 2017. This increase was attributable to the Company’s borrowing mix, which included an increased usage of FHLB borrowings secured by a portion of the Company’s residential mortgage portfolio in 2017, and increases in the federal funds rate. Interest-free funding sources, including noninterest-bearing deposits, funded approximately 36% of average earning assets in 2017, down slightly from 37% in 2016.  

2016 compared to 2015

Net interest income (te) for 2016 totaled $685 million, a $46 million, or 7%, increase from 2015. Excluding net purchase accounting discount accretion, core net interest income was up $62 million in 2016 compared to 2015. This increase primarily resulted from interest earned on a $2.0 billion, or 10%, increase in average earning assets. 

The net interest margin declined 10 bps to 3.23% in 2016 from 3.33% in 2015 due to a 10 bp decrease in net purchase accounting discount accretion. Excluding purchase accounting discount accretion, the 2016 core net interest margin was 3.14% for both 2016 and 2015.

The overall yield on earning assets was 3.58% in 2016, down 4 bps from 2015. The  loan portfolio yield was 4.01% in 2016 compared to 4.13% in 2015. Excluding the impact from purchase accounting discount accretion, the loan yield was up 1 bp to 3.87%.  The tax-equivalent yield on the investment securities portfolio increased 9 bps from 2015 to 2.37% for 2016, reflecting a change in the mix within the investment securities portfolio.  The Company increased the percentage of high-quality municipal securities in the portfolio during 2016.  These securities offer higher tax-equivalent yields than those available for mortgage-backed securities or collateral mortgage obligations.

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The cost of funding earning assets increased 6 bps to 0.34% in 2016. The overall rate paid on interest-bearing deposits was up 12 bps from 2015 to 0.43% in 2016 as the Company’s strategic initiatives implemented during late 2014 and the first half of 2015 to grow deposits to fund loan growth resulted in slightly higher rates paid for interest-bearing deposits. Borrowing costs decreased 9 bps from 1.37% in 2015 to 1.28% in 2016. This decrease was attributable to the Company’s borrowing mix, which included an increased usage of lower-rate short-term FHLB borrowings.  Interest-free funding sources, including noninterest-bearing deposits, funded approximately 37% of average earning assets in 2016, up from 35% in 2015 as noninterest-bearing deposits averaged $7.2 billion in 2016, up 17% compared to 2015.

TABLE 1. Summary of Average Balances, Interest and Rates (te)(a)

	Years Ended December 31,
	2017						2016						2015
	Average						Average						Average
($ in millions)	Balance		Interest		Rate		Balance		Interest		Rate		Balance		Interest		Rate
Assets
Interest-Earnings Assets:
Commercial & real estate   loans (te)	$	13,751.0	$	584.6	4.25	%	$	11,959.2	$	457.7	3.83	%	$	10,595.2	$	419.1	3.95	%
Residential mortgage loans		2,445.8		95.0	3.89			2,044.7		83.0	4.06			1,960.4		81.2	4.14
Consumer loans		2,084.1		115.1	5.52			2,060.7		105.8	5.13			1,877.7		95.4	5.08
Loan fees & late charges				(0.4)						(2.7)						(0.1)
Loans (te) (b)		18,280.9		794.3	4.35			16,064.6		643.8	4.01			14,433.3		595.6	4.13
Loans held for sale		21.9		0.9	3.88			28.8		1.0	3.55			18.1		0.7	3.74
Investment securities:
U.S. Treasury and government   agency securities		128.1		2.7	2.11			64.6		1.2	1.78			197.3		3.1	1.57
Mortgage-backed securities   and collateralized   mortgage obligations		4,327.8		96.2	2.22			4,044.3		86.4	2.14			3,804.0		83.5	2.19
Municipals
Taxable		92.5		2.8	3.03			104.2		3.4	3.25			108.5		3.7	3.46
Nontaxable (te)		875.6		34.2	3.91			488.5		20.3	4.16			90.9		5.3	5.81
Other securities		18.8		0.4	1.92			4.9		0.1	2.00			7.5		0.2	2.76
Total investment
securities (te) (c)		5,442.8		136.3	2.50			4,706.5		111.4	2.37			4,208.2		95.8	2.28
Short-term investments		363.1		3.5	0.95			380.3		1.8	0.47			513.7		1.2	0.24
Total earning assets (te)		24,108.7		935.0	3.88	%		21,180.1		758.0	3.58	%		19,173.3		693.3	3.62	%
Nonearning assets:
Other assets		2,355.5						2,216.0						2,205.2
Allowance for loan losses		(223.4)						(217.6)						(133.5)
Total assets	$	26,240.8					$	23,178.6					$	21,245.0
Liabilities and   Stockholders' Equity
Interest-bearing Liabilities:
Interest-bearing transaction   and savings deposits	$	7,746.2	$	29.4	0.38	%	$	6,772.4	$	18.2	0.27	%	$	6,877.4	$	12.9	0.19	%
Time deposits		2,642.8		28.0	1.06			2,390.1		21.4	0.90			2,207.4		15.6	0.70
Public funds		2,664.9		19.2	0.72			2,261.6		9.3	0.41			1,844.8		5.4	0.30
Total interest-bearing deposits		13,053.9		76.6	0.59			11,424.1		48.9	0.43			10,929.6		33.9	0.31
Repurchase agreements		501.7		0.6	0.12			454.5		0.1	0.03			539.2		0.2	0.03
Other short-term borrowings		1,505.2		15.1	1.01			957.6		3.9	0.41			486.0		0.9	0.19
Long-term debt		384.1		16.0	4.16			469.1		20.1	4.27			478.0		19.5	4.08
Total interest-   bearing liabilities		15,444.9		108.3	0.70	%		13,305.3		73.0	0.55	%		12,432.8		54.5	0.44	%
Noninterest-bearing:
Noninterest-bearing deposits		7,777.7						7,232.1						6,195.2
Other liabilities		211.3						178.1						174.2
Stockholders' equity		2,806.9						2,463.1						2,442.8
Total liabilities and   stockholders' equity	$	26,240.8					$	23,178.6					$	21,245.0
Net interest income (te)   and margin			$	826.7	3.43				$	685.0	3.23				$	638.8	3.33
Net earning assets and spread	$	8,663.8			3.18		$	7,864.8			3.03		$	6,740.5			3.18
Interest cost of funding   earning assets					0.45	%					0.34	%					0.28	%

(a) Taxable equivalent (te) amounts are calculated using a marginal federal income tax rate of 35%.

(b) Includes nonaccrual loans.

(c) Average securities do not include unrealized holding gains or losses on available for sale securities.

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TABLE 2. Summary of Changes in Net Interest Income (te)(a) (b)

	2017 Compared to 2016						2016 Compared to 2015
	Due to				Total		Due to				Total
	Change in				Increase		Change in				Increase
(in thousands)	Volume		Rate		(Decrease)		Volume		Rate		(Decrease)
Interest Income (te)
Commercial & real estate loans (te)	$	72,951	$	54,000	$	126,951	$	52,554	$	(13,851)	$	38,703
Residential mortgage loans		15,708		(3,651)		12,057		3,443		(1,643)		1,800
Consumer loans		(170)		9,502		9,332		9,381		1,011		10,392
Loan fees & late charges		—		2,353		2,353		—		(2,629)		(2,629)
Loans (te) (c)		88,489		62,204		150,693		65,378		(17,112)		48,266
Loans held for sale		(260)		89		(171)		381		(37)		344
Investment securities:
U.S. Treasury and government
agency securities		1,299		240		1,539		(2,317)		369		(1,948)
Mortgage-backed securities and
collateralized mortgage obligations		6,463		3,271		9,734		5,175		(2,183)		2,992
Municipals
Taxable		(364)		(260)		(624)		(144)		(215)		(359)
Nontaxable (te)		15,191		(1,312)		13,879		16,930		(1,898)		15,032
Other securities		267		(4)		263		(59)		(48)		(107)
Total investment in securities (te) (d)		22,856		1,935		24,791		19,585		(3,975)		15,610
Short-term investments		(86)		1,738		1,652		(390)		943		553
Total earning assets (te)		110,999		65,966		176,965		84,954		(20,181)		64,773
Interest-bearing transaction and
savings deposits		2,894		8,273		11,167		(200)		5,509		5,309
Time deposits		2,419		4,111		6,530		1,369		4,532		5,901
Public funds		1,896		8,019		9,915		1,406		2,443		3,849
Total interest-bearing deposits		7,209		20,403		27,612		2,575		12,484		15,059
Repurchase agreements		16		425		441		(28)		6		(22)
Other interest-bearing liabilities		3,169		8,060		11,229		1,352		1,656		3,008
Long-term debt		(3,547)		(517)		(4,064)		(373)		907		534
Total interest expense		6,847		28,371		35,218		3,526		15,053		18,579
Net interest income (te) variance	$	104,152	$	37,595	$	141,747	$	81,428	$	(35,234)	$	46,194

(a) Taxable equivalent (te) amounts are calculated using a marginal federal income tax rate of 35%.

(b) Amounts shown as due to changes in either volume or rate includes an allocation of the amount that reflects the interaction of volume and rate changes. This allocation is based on the absolute dollar amounts of change due solely to changes in volume or rate.

(c) Includes nonaccrual loans.

(d) Average securities do not include unrealized holding gains or losses on available for sale securities.

Provision for Loan Losses

The provision for loan losses was $59.0 million in 2017 compared to $110.7 million in 2016. The decrease from the prior year is mainly related to building the allowance for the energy portfolio in 2016.  Management believes the allowance level as built in prior years was adequate and allowed the allowance to decline in 2017 with the resolution of several credits.

Net charge-offs from the non-purchased credit impaired portfolio totaled $68.7 million, or 0.38% of average loans outstanding, in 2017.  This increased from $59.1 million, or 0.37%, in 2016.  Net charge-offs from the energy portfolio totaled $35.0 million in 2017, compared to $37.8 million in 2016.  Net charge-offs to date for the current energy cycle (November 2014 – December 2017) total approximately $76 million.  Recent higher overall oil prices are helpful in the recovery of credits impacted by the energy cycle, however, the key to resolution of many of those credits, especially those in the support services sector, is stabilization of prices over the long term. Management continues to believe that total net charge-offs could be as high as $95 million over the duration of the energy cycle.

Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Balance Sheet Analysis—Allowance for Loan and Lease Losses” provides additional information on changes in the allowance for loans losses and general

40

credit quality. Certain differences in the determination of the allowance for loan losses for originated loans, purchased performing and purchased credit-impaired loans are described in Note 1 to the consolidated financial statements.

Noninterest Income

2017 compared to 2016

Noninterest income for 2017 totaled $268 million, a $17.0 million, or 7%, increase from 2016. Several noninterest income categories, including service charges, bankcard fees, and other fees experienced increases in 2017. As a result of the termination of the loss share agreement with the FDIC in the second quarter of 2017, amortization of the indemnification asset was eliminated beginning in the third quarter of 2017.  These increases were partially offset by a decline in gains on sales of assets of $4.7 million, however, included in 2017 is a $4.4 million gain related to the sale of selected Hancock Horizon funds classified as nonoperating.

Table 3 presents the components of noninterest income for the prior three years along with the percentage changes between years:

TABLE 3. Noninterest Income

($ in thousands)		2017	% Change			2016	% Change			2015
Service charges on deposit accounts	$	83,166	12	%	$	74,187	2	%	$	72,813
Trust fees		44,538	(4)			46,589	2			45,627
Bank card and ATM fees		53,779	13			47,427	2			46,480
Investment and annuity fees		20,529	11			18,477	(11)			20,669
Secondary mortgage market operations		15,209	(7)			16,282	29			12,579
Insurance commissions and fees		3,212	(29)			4,501	(47)			8,567
Amortization of loss share receivable		(2,427)	59			(5,918)	(3)			(5,747)
Income from bank-owned life insurance		11,473	(16)			13,596	25			10,881
Credit-related fees		11,140	12			9,926	(10)			11,057
Income from derivatives		5,870	13			5,196	89			2,745
Net gain on sales of assets		3,126	(60)			7,814	n/m			186
Other miscellaneous income		13,814	26			10,950	(1)			11,092
Securities transactions		—	(100)			1,754	424			335
Total operating noninterest income		263,429	5	%		250,781	6	%		237,284
Nonoperating income items		4,352	n/m			—	n/m			—
Total noninterest income	$	267,781	7	%	$	250,781	6	%	$	237,284

n/m = not meaningful

Service charges on deposit accounts were up $9.0 million, or 12%, from 2016 due to increasedactivity in consumer overdrafts as well as the introduction of the sustained overdraft fee.

Trust fees totaled $44.5 million in 2017, a $2.1 million, or 4%, decrease from 2016 due in part to the sale of select Hancock Horizon funds mentioned above.  Trust assets under management totaled $5.9 billion at December 31, 2017 compared to $6.3 billion at December 31, 2016.

Bank card and ATM fees totaled $53.8 million in 2017, up $6.4 million, or 13% compared to 2016. Bank card and ATM fees include income from credit card, debit card and ATM transactions, and merchant service fees. Product and delivery platform enhancements, including smart phone payment functionality and improved on-line management tools, continue to drive growth.

Investment and annuity fees totaled $20.5 million in 2017 compared to $18.5 million in 2016.  The $2.1 million, or 11%, increase is primarily attributable to fees from newcorporate underwriting activities and higher fees earned due to an overall appreciation in asset values as a result of favorable market conditions.

Fees from secondary mortgage operations totaled $15.2 million in 2017, down $1.1 million, or 7%, from a year earlier. Mortgage loan production increased by approximately 4% in 2017 compared to 2016 with the percentage of loan production sold in the secondary market increasing slightly. Secondary mortgage market operations fee income is generated from selling certain types of originated single-family mortgage loans into the secondary market in an effort to provide mortgage products for our customers while managing interest rate risk and liquidity. These loans are primarily originated by the Company through its branch network. The Company typically sells its longer-term fixed-rate loans while retaining in the portfolio the majority of its adjustable rate loans as well as loans generated through certain programs to support customer relationships including programs for high net worth individuals and non-

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builder construction loans. The ultimate amount of loans sold in the secondary market relative to the amount retained by the Company is a management decision made as part of the Company’s ALCO process.

Insurance commissions and fees decreased $1.3 million, or 29%, from 2016, due primarily to lower fees on credit life insurance.

Income from bank-owned life insurance decreased $2.1 million, or 16%, in 2017, to $11.5 million. This decrease was mainly due to higher death benefits recognized in 2016 relative to 2017, partially offset with income earned from a $56.5 million year-over-year increase in the average balance of insurance contracts outstanding.

Credit-related fee income increased $1.2 million, or 12%, from 2016 mainly due to increases in unused commitment and standby letter of credit fees.

Income from derivatives totaled $5.9 million in 2017 compared to $5.2 million in 2016. The $0.7 million, or 13%, increase was driven by a  higher level of customer swap sales in 2017 compared to 2016.

Gains on sales of assets, which include gains on sales of select portfolios of loans as a part of the Company’s balance sheet management process and sales of bank property, decreased $4.7 million, or 60%, in 2017 compared to 2016.

2016 compared to 2015

Noninterest income for 2016 totaled $251 million, a $13.5 million, or 6%, increase from 2015. Several noninterest income categories, including secondary mortgage market operations, income from bank-owned life insurance (“BOLI”) and derivatives, and gain on sales of assets, experienced increases in 2016. These increases were partially offset by a $4.1 million decline in insurance commissions and fees as a result of the Company exiting its title insurance line of business and other strategic changes impacting the insurance line of business.

Service charges on deposit accounts were up $1.4 million, or 2% from 2015. Service charges on transaction accounts increased $1.3 million, or 4%, partially due to the new suite of consumer products introduced in 2015. Additionally, overdraft fees were up $0.8 million with increased activity.

Trust fees totaled $46.6 million in 2016, a $1.0 million, or 2%, increase from 2015. The 2016 fee growth came mostly from corporate trust services with small decreases in personal and retirement services products.  Trust assets under management totaled $6.3 billion at December 31, 2016 compared to $6.1 billion at December 31, 2015.  Market volatility and uncertain economic conditions limited the ability of the Company to increase its managed asset balances and grow revenue in 2016.

Bank card and ATM fees totaled $47.4 million in 2016, up $0.9 million, or 2%, compared to 2015.

Investment and annuity fees totaled $18.5 million in 2016 compared to $20.7 million in 2015.  The $2.2 million, or 11%, decrease is primarily attributable to a change in the mix of products sold.  Customer demand for longer-term annuity products was replaced with shorter duration products which resulted in a lower up-front commission.  Additionally, the Company shifted its focus in 2016 more towards selling products with higher recurring revenue streams that earn little to no up-front commissions, but generate a higher level of recurring revenue over time.

Fees from secondary mortgage operations totaled $16.3 million in 2016, up $3.7 million, or 29%, from a year earlier. The increase is attributable to an increased level of mortgage loan production. Mortgage loan production increased approximately 41% in 2016 compared to 2015 with the percentage of loan production sold in the secondary market declining slightly. The Company implemented a number of initiatives during the second half of 2015 to increase its mortgage loan production and fee income from secondary mortgage operations including an expanded sales force with originators that specialize in loans sold in the secondary market and a streamlined operation that added efficiencies to the mortgage origination process.

Insurance commissions and fees decreased $4.1 million, or 47%, from 2015. This decrease resulted from the discontinuation of our title insurance operation during the third quarter of 2015, combined with a strategic decision to reduce risk by deemphasizing the sale of certain products in the consumer finance subsidiary.

Income from bank-owned life insurance increased $2.7 million, or 25%, in 2016, to $13.6 million. This increase was mainly due to higher death benefits recognized in 2016 relative to 2015, combined with income earned from a $36.2 million year-over-year increase in the average balance of insurance contracts outstanding.

Credit-related fee income decreased $1.1 million, or 10%, from 2015 mainly due to decreases in unused commitment fee income and standby letter of credit fees.

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Income from derivatives totaled $5.2 million in 2016 compared to $2.7 million in 2015. The $2.5 million, or 89%, increase was driven by a significantly higher level of customer swap sales in 2016 compared to 2015.

Gains on sales of assets increased $7.6 million in 2016 compared to 2015 as a result of $4.3 million in gains from the sale of single family mortgage portfolio loans and a $3.3 million gain realized from the sale of a bank property.  The single family loans were sold as part of the Company’s balance sheet management process because certain of their terms were deemed no longer compatible with the Company’s strategic direction.

Noninterest Expense

2017 compared to 2016

Noninterest expense for 2017 totaled $693 million, up  $80.4 million, or 13%, compared to 2016. Excluding nonoperating expenses, noninterest expense increased  $56.9 million, or 9%, to $664 million in 2017, compared to 2016.  The largest components of this increase were personnel expense, data processing, occupancy and deposit insurance and regulatory fees. The increase also included nonpermanent costs to operate the former FNBC branches and maintain separate operations to serve customers following the FNBC II transaction until systems conversion and overlapping branches were consolidated. These increases were partially offset by a $13.2 million decrease in other expense.

Table 4 presents noninterest expense, with operating expenses by component and nonoperating expenses aggregated, for the prior three years, along with the percentage changes between years. Table 5 presents nonoperating expenses by component.

TABLE 4. Noninterest Expense

($ in thousands)	2017		% Change		2016		% Change		2015
Compensation expense	$	316,849	11	%	$	284,219	2	%	$	277,412
Employee benefits		56,153	1			55,473	1			54,708
Personnel expense		373,002	10			339,692	2			332,120
Net occupancy expense		47,417	15			41,296	(8)			44,788
Equipment expense		14,516	6			13,663	(12)			15,481
Data processing expense		65,411	12			58,619	6			55,484
Professional services expense		30,554	4			29,380	4			28,287
Amortization of intangibles		22,417	13			19,781	(18)			24,184
Telecommunications and postage		14,618	11			13,146	(7)			14,126
Deposit insurance and regulatory fees		29,307	25			23,499	40			16,736
Other real estate expense, net		(1,158)	(70)			(3,804)	(239)			2,740
Advertising		13,642	25			10,938	(2)			11,211
Ad valorem and franchise taxes		12,797	46			8,741	(17)			10,498
Printing and supplies		4,956	12			4,422	(9)			4,851
Travel		4,846	14			4,268	(20)			5,329
Entertainment and contributions		7,930	11			7,122	6			6,723
Tax credit investment amortization		4,850	14			4,263	(50)			8,513
Other expense		19,113	(41)			32,311	45			22,343
Total operating noninterest expense		664,218	9			607,337	1			603,414
Nonoperating expense		28,473	472			4,978	(69)			16,241
Total noninterest expense	$	692,691	13	%	$	612,315	(1)	%	$	619,655

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TABLE 5. Nonoperating Expense

(in thousands)	2017		2016		2015
Personnel expense	$	3,662	$	3,975	$	1,421
Net occupancy expense		452		—		54
Equipment expense		325		—		13
Data processing expense		974		—		106
Professional services expense		9,681		181		11,911
Telecommunications and postage		68		—		1
Deposit insurance and regulatory fees		320		—		—
Other real estate expense, net		(1,511)		323		—
Advertising		1,389		—		14
Printing and supplies		183		—		—
Travel		197		—		2
Entertainment and contributions		330		—		—
Write-down related to FDIC loss share termination		6,603		—		—
Other expense		5,800		499		2,719
Total nonoperating expense	$	28,473	$	4,978	$	16,241

Total personnel expense was up $33.3 million, or 10%, in 2017 compared to 2016 due mainly to nonpermanent transition costs related to the FNBC acquisition, merit increases and an increase in bonus and other incentive compensation related, in part, to the Company exceeding its overall corporate objectives for 2017.

Total occupancy and equipment expenses increased $7.0 million, or 13%, in 2017 compared to 2016. This increase was attributable to the FNBC transactions in 2017.

Data processing expense in 2017 was up $6.8 million, or 12%, from 2016, primarily related to increased debit and credit card processing activity, as well as outside processing costs related to the new Online and Mobile Banking platform.

Professional services expense increased $1.2 million, or 4%, from 2016, primarily due to consulting and other professional fees related to the implementation of revenue initiatives. Deposit insurance and regulatory fees increased $5.8 million, or 25%, mainly due to asset growth, including those acquired in the FNBC transactions.  Ad valorem and franchise taxes were up $4.1 million, or 46%, to $12.8 million in 2017.

Amortization of intangibles in 2017 totaled $22.4 million, a $2.6 million, or 13%, increase from 2016, due to additional amortization of $4.6 million related to the core deposit intangibles recognized in the FNBC transactions. 

Other real estate expense for 2017 was a net credit of $1.2 million compared to a net credit of $3.8 million in 2016.  Included in 2016 was a $5.3 million gain related to a single asset disposition.

Other expenses decreased $13.2 million, or 41%, from 2016 due primarily to unusual expenses incurred in 2016, including a $4.0 million expense related to an early contract termination and $3.7 million in flood-related expenses associated with major flooding that impacted the Baton Rouge, Louisiana metropolitan area during August 2016.

Nonoperating expenses increased $23.5 million from 2016. The increase was primarily due to merger-related costs associated with theFNBC transactions, as well as the write-down of $6.6 million for the termination of the FDIC loss share agreements.  The components of nonoperating expense are presented in the table below.

2016 compared to 2015

Noninterest expense for 2016 totaled $612 million, down $7.3 million, or 1%, compared to 2015. Excluding nonoperating expenses, noninterest expense increased $3.9 million, or 1%, to $607 million in 2016 compared to 2015. The largest components of this increase were personnel expense and deposit insurance and regulatory fees. These increases were partially offset by a $6.5 million decrease in other real estate (ORE) expense as a result of a $5.3 million gain in 2016 from the foreclosure and disposition of a large property that had been acquired in the Peoples First Community Bank acquisition. 

Total personnel expense was up $7.6 million, or 2%, in 2016 compared to 2015 due mainly to an increase in bonus and other incentive compensation related, in part, to the Company achieving its overall corporate objectives for 2016.

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Total occupancy and equipment expenses decreased $5.3 million, or 9%, in 2016 compared to 2015. This decrease was attributable to a number of cost control measures implemented during 2016, including eliminating excess space through consolidation of certain back office areas and revamping our property insurance coverage.

Data processing expense in 2016 was up $3.1 million, or 6%, from 2015, primarily related to debit and credit card processing activity, as well as the outside processing costs related to new products brought on-line in 2016 to support the Company’s revenue initiatives. 

Professional services expense increased $1.1 million, or 4%, from 2015, primarily due to consulting and other professional fees related to the implementation of revenue initiatives. Deposit insurance and regulatory fees increased $6.8 million, or 40%, mainly due to asset growth and increases in criticized assets. Ad valorem and franchise taxes were down $1.8 million, or 17%, to $8.7 million in 2016.

Amortization of intangibles in 2016 totaled $19.8 million, a $4.4 million, or 18%, decrease from 2015.  The Trade Name intangible related to the Whitney Holding Company acquisition was fully amortized in 2015, saving $2.4 million in 2016.

Other real estate expense for 2016 was a net credit of $3.8 million compared to net expense of $2.7 million in 2015. Excluding the $5.3 million credit related to an asset disposition mentioned above, ORE expense was down $1.2 million from 2015, as the Company’s average balance of ORE decreased $18.1 million, or 46%, in 2016 compared to 2015.

Other expenses increased $10.0 million, or 45%, to $32.3 million in 2016. The major components of this increase were a $4.0 million expense related to an early contract termination; $3.7 million in flood-related expenses associated with major flooding that impacted the Baton Rouge, Louisiana metropolitan area during August 2016; and a $1.4 million increase in fraud and other branch-related losses.

Nonoperating expenses decreased $11.3 million, or 69%, from 2015. The decline was due to expense reductions related to the Company’s expense and efficiency initiatives. Nonoperating expenses in 2015 included such items as lease buy-outs, branch and equipment disposition costs and severance packages from the branch rationalization project, settlement of an FDIC assessment related to loss claim reimbursement, early termination fees on repurchase obligations, and severance costs associated with organizational restructuring.

Income Taxes

Income tax expense totaled $92.8 million in 2017, up from $37.6 million in 2016.  Income tax expense for 2017 included a $19.5 million charge for the re-measurement of our net deferred tax assets following the enactment of the Tax Act signed into law on December 22, 2017. The Tax Act significantly revised the U.S. corporate income tax laws by, among other things, lowering the statutory corporate tax rate from 35% to 21%, accelerating depreciation for certain assets placed into service after September 27, 2017, eliminating the corporate alternative minimum tax, eliminating or reducing the deductibility of certain meals and entertainment expenses, limiting the deduction of FDIC insurance premiums as well as modifying the deductibility of executive compensation through the elimination of the performance-based compensation exception and changes to the definition of a covered employee.  U.S. GAAP requires entities to recognize the effects of changes in tax rates and laws upon deferred tax balances in the period in which the legislation is enacted. 

The $19.5 million re-measurement charge in 2017 is comprised of $25.3 million of expense related to certain items included within AOCI and a provisional income tax benefit of $5.8 million related to items included in continuing operations. The provisional benefit is a reasonable estimate as we have not completed our analysis of the impact of the Tax Act and the related calculations that could affect the measurement of deferred tax assets and liabilities. The SEC’s Staff Accounting Bulletin No. 118 permits the recording of provisional amounts related to the impact of the Tax Act during a measurement period which is not to exceed one year from the enactment date of the Tax Act. Adjustments to the provisional amount may occur during the measurement period as we continue to collect information, finalize calculations and interpret any additional guidance provided by the IRS or other regulatory agencies.  Any such adjustments may materially impact income tax expense in the period in which the adjustments are made.

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Table 6 reconciles reported income tax expense to that computed at the statutory tax rate of 35% for each year in the three-year period ended December 31 below.

TABLE 6. Income Taxes

	Years Ended December 31,
(in thousands)	2017		2016		2015
Taxes computed at statutory rate	$	107,952	$	65,423	$	59,418
Tax credits:
QZAB/QSCB		(2,570)		(2,756)		(2,983)
NMTC - Federal and State		(6,716)		(7,679)		(9,273)
LIHTC and other tax credits		(88)		(83)		(239)
Total tax credits		(9,374)		(10,518)		(12,495)
State income taxes, net of federal income tax benefit		4,737		1,917		2,595
Tax-exempt interest		(18,870)		(14,497)		(7,849)
Life insurance contracts		(5,360)		(4,833)		(3,798)
Employee share-based compensation		(5,824)		—		—
Impact of deferred tax asset re-measurement		19,520		—		—
Other, net		21		135		433
Income tax expense	$	92,802	$	37,627	$	38,304

Excluding the deferred tax asset re-measurement charge of $19.5 million, we recorded income tax expense at an effective rate of 23.8% in 2017, 20.1% in 2016, and 22.6% in 2015. Other than the re-measurement charge, the primary driver of the difference of our effective tax rates from 35% federal statutory rate is tax-exempt income and tax credits.  Interest income on bonds issued by or loans to state and municipal governments and authorities, and earnings from the life insurance contract program are the major components of tax-exempt income.  The size of our municipal securities and loan portfolios continues to have a significant impact on income tax expense.  The decrease to income tax expense from tax-exempt interest income was $18.9 million for 2017 compared to $14.5 million and $7.8 million for 2016 and 2015, respectively.  In 2017, the effective tax rate was also impacted by the change in accounting treatment for stock-based compensation and the vesting of awards.  The adoption of the new accounting standard for employee stock-based compensation results in excess tax benefits from stock-based compensation having a direct impact on income tax expense, lowering our effective tax rate by approximately 2% in 2017.  The impact on our effective tax rate will vary from period to period depending upon the Company’s share price and the number of shares vesting during the period.  The lower effective tax rate in 2016 was due, in part, to lower pre-tax income driven by elevated provisions for loan losses related to the energy sector.  Management expects the effective tax rate for 2018 to be in the range of 16% to 18%, mainly as a result of the Tax Act.

The main source of tax credits has been investments in tax-advantage securities and tax credit projects.  These investments are made primarily in the markets we serve and directed at tax credits issued under the Qualified Zone Academy Bonds (QZAB), Qualified School Construction Bonds (QSCB), as well as Federal and State New Market Tax Credit (NMTC) and Low-Income Housing Tax Credit (LIHTC) programs.  The investments generate tax credits which reduce current and future taxes and are recognized when earned as a benefit in the provision for income taxes.  The Tax Act repealed the provisions related to tax credit bonds effective for bonds issued after December 31, 2017.  As such, these bonds are no longer a viable alternative for lowering our effective tax rate.

We have invested in NMTC projects through investments in our own CDE, as well as other unrelated CDEs.  These investments will generate approximately $104 million in federal and state tax credits. Federal tax credits from NMTC investments are recognized over a seven-year period, while recognition of the benefits from state tax credits varies from three to five years.

Based only on tax credit investments that have been made to date, we expect to realize benefits from federal and state tax credits over the next three years totaling $8.6 million, $6.1 million and $3.6 million for 2018, 2019 and 2020, respectively.  We intend to continue making investments in tax credit projects.  However, our ability to access new credits will depend upon, among other factors, federal and state tax policies and the level of competition for such credits.  In February 2018, the U.S. Department of Treasury announced the 2017 New Market Tax Credit allocation. We were awarded a New Market Tax Credit allocation that allows us to invest $50 million in tax credit projects and receive $19.5 million in tax credits over a seven-year period.

At December 31, 2017, our deferred tax asset (net of state valuation allowance) was $54 million.  Several factors are considered in determining the recoverability of the deferred tax assets, such as the history of taxable earnings, reversal of taxable temporary differences, future taxable income and tax planning strategies.  Based on our review of these factors, we have established a $2.0 million valuation allowance for state net operating losses.

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BALANCE SHEET ANALYSIS

Investment Securities

Our investment in securities was $5.9 billion at December 31, 2017, compared to $5.0 billion at December 31, 2016. The investment security portfolio is managed by ALCO to assist in the management of interest rate risk and liquidity while providing an acceptable rate of return to the Company.

Our securities portfolio consists mainly of residential and commercial mortgage-backed securities and CMOs that are issued or guaranteed by U.S. government agencies. We invest only in high quality investment grade securities with a targeted duration, for the overall portfolio, generally between two and five years. At December 31, 2017, the average expected maturity of the portfolio was 5.78 years with an effective duration of 4.74 years and a nominal weighted-average yield of 2.41%. At December 31, 2016, the average expected maturity of the portfolio was 5.79 years with an effective duration of 5.07 years and a nominal weighted-average yield of 2.35%.  The 2017 decrease in the portfolio’s expected maturity and effective duration compared to 2016 was mainly attributable to a $781 million increase in collateralized mortgage obligations and commercial mortgage-backed securities.

There were no investments in securities of a single issuer, other than U.S. Treasury and U.S. government agency securities and mortgage-backed securities issued or guaranteed by U.S. government agencies, that exceeded 10% of stockholders’ equity. We do not invest in subprime or “Alt A” home mortgage-backed securities. Investments classified as available for sale are carried at fair value,  while held to maturity securities are carried at amortized cost. Unrealized holding gains (losses) on available for sale securities are excluded from net income and are recognized, net of tax, in other comprehensive income and in AOCI, a separate component of stockholders’ equity.

At December 31, 2017, the amortized cost of securities available for sale totaled $2.9 billion and securities held to maturity totaled $3.0 billion compared to $2.6 billion and $2.5 billion, respectively, at December 31, 2016.

The amortized cost of securities at December 31, 2017 and 2016 was as follows:

TABLE 7. Securities by Type

	December 31,
(in thousands)	2017		2016
Available for sale securities
U.S. Treasury and government agency securities	$	99,535	$	56,751
Municipal obligations		245,997		253,228
Residential mortgage-backed securities		1,729,989		1,620,191
Commercial mortgage-backed securities		704,518		425,750
Collateralized mortgage obligations		165,518		202,580
Corporate debt securities		3,500		3,500
	$	2,949,057	$	2,562,000
Held to maturity securities
U.S. Treasury and government agency securities	$	50,000	$	50,000
Municipal obligations		723,094		648,093
Residential mortgage-backed securities		725,748		862,162
Commercial mortgage-backed securities		317,185		75,739
Collateralized mortgage obligations		1,161,484		864,226
	$	2,977,511	$	2,500,220

Securities are classified according to their final contractual maturities without consideration of scheduled and unscheduled principal amortization, potential prepayments or call options. Accordingly, actual maturities will differ from their reported contractual maturities. The expected average maturity years presented in the tables includes scheduled principal payments and assumptions for prepayments.

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The amortized cost, fair value and yield of debt securities at December 31, 2017, by final contractual maturity, were as follows:

TABLE 8. Debt Securities Maturities by Type

	Contractual Maturity
(in thousands)	One Year or Less		Over One Year Through Five Years		Over Five Years Through Ten Years		Over Ten Years		Total		Fair Value		Weighted Average Yield (te)	Expected Average Maturity Years
Available for sale
U.S. Treasury and government  agency securities	$	1,001	$	—	$	—	$	98,534	$	99,535	$	97,272	2.49%	9.5
Municipal obligations		1,522		13,654		225,242		5,579		245,997		243,786	4.36%	7.9
Residential mortgage-backed securities		3,101		25,589		307,057		1,394,242		1,729,989		1,715,213	2.42%	5.3
Commercial mortgage-backed securities		—		—		694,337		10,181		704,518		687,135	2.48%	8.6
Collateralized mortgage obligations		—		—		—		165,518		165,518		163,963	2.15%	3.8
Other debt securities		2,000		1,500		—		—		3,500		3,500	2.10%	0.7
Total debt securities	$	7,624	$	40,743	$	1,226,636	$	1,674,054	$	2,949,057	$	2,910,869	2.57%	6.4
Fair Value	$	7,658	$	41,083	$	1,208,735	$	1,653,393	$	2,910,869
Weighted Average Yield		3.93%		4.04%		2.79%		2.36%		2.57%
Held to maturity
U.S. Treasury and government  agency securities	$	—	$	50,000	$	—	$	—	$	50,000	$	49,711	1.67%	2.1
Municipal obligations		10,686		63,641		627,151		21,616		723,094		727,172	4.58%	7.4
Residential mortgage-backed securities		—		8,914		66,955		649,879		725,748		727,233	1.84%	4.1
Commercial mortgage-backed securities		—		—		317,185		—		317,185		313,310	2.64%	8.4
Collateralized mortgage obligations		—		—		41,397		1,120,087		1,161,484		1,144,584	2.26%	3.8
Total debt securities	$	10,686	$	122,555	$	1,052,688	$	1,791,582	$	2,977,511	$	2,962,010	2.70%	5.2
Fair Value	$	10,695		122,339		1,051,036		1,777,940	$	2,962,010
Weighted Average Yield		4.09%		3.54%		3.66%		2.11%		2.70%

Loan Portfolio

Total loans at December 31, 2017 were $19.0 billion, compared to $16.8 billion at December 31, 2016. The $2.2 billion, or 13%, increase is attributable to the loans acquired in the FNBC transactions, as well as organic loan growth.

The composition of our loan portfolio was as follows:

TABLE 9. Loans Outstanding by Type

	December 31,
(in thousands)	2017		2016		2015		2014		2013
Total loans:
Commercial non-real estate	$	8,297,937	$	7,613,917	$	6,995,824	$	6,044,060	$	5,064,224
Commercial real estate - owner occupied		2,142,439		1,906,821		1,859,469		1,722,140		1,509,664
Total commercial & industrial		10,440,376		9,520,738		8,855,293		7,766,200		6,573,888
Commercial real estate - income producing		2,384,599		2,013,890		1,553,082		1,421,908		1,533,177
Construction and land development		1,373,421		1,010,879		1,151,950		1,106,761		915,541
Residential mortgages		2,690,472		2,146,713		2,049,524		1,894,181		1,720,614
Consumer		2,115,295		2,059,931		2,093,465		1,706,226		1,581,597
Total loans	$	19,004,163	$	16,752,151	$	15,703,314	$	13,895,276	$	12,324,817

The commercial and industrial (“C&I”) loan portfolio includes both commercial non-real estate and commercial real estate – owner occupied loans.  C&I loans totaled $10.4 billion, or 55% of the total loan portfolio, at December 31, 2017, an increase of $920 million from December 31, 2016.  The growth, net of the $356 million decrease in the energy-related portfolio, was across the Company’s entire footprint and in most major lines including real estate, construction, transportation and healthcare.

Our commercial and industrial customer base is diversified over a range of industries, including energy, wholesale and retail trade in various durable and nondurable products and the manufacture of such products, marine transportation and maritime construction,

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healthcare, financial and professional services, and agricultural production. We lend mainly to middle-market and smaller commercial entities, although we do participate in larger shared-credit loan facilities with businesses well known to the relationship officers and generally operating in our market areas. Shared credits funded at December 31, 2017 totaled approximately $2.1 billion, of which approximately $653 million were with energy customers. This does not incorporate the change in regulatory definition of shared credits that increased the aggregate loan commitment threshold effective January 1, 2018. 

Although decreasing over the last three years, the energy sector is one of the largest concentrations in the C&I portfolio.  Loans outstanding to energy-related industry customers totaled approximately $1.1 billion, or 5.6% of total loans, at December 31, 2017. Approximately $702 million, or 67%, of the energy portfolio is comprised of loans to customers that provide transportation and other onshore and offshore services and products to support exploration and production activities. The remaining $353 million, or 33%, of the portfolio is comprised of loans to customers engaged in oil and gas exploration and production, which is primarily supported by proved developed producing reserves. These customers are diversified across a number of basins in the U.S. and the Gulf of Mexico and by product line. Energy-related loans are down $356 million over the past year and management continues to work with our energy-related customers to weather this difficult cycle.  We continue to make prudently underwritten loans to qualified energy-related companies, while reducing our overall concentration by focusing loan growth efforts on other specifically targeted areas.

Commercial real estate – income producing loans totaled $2.4 billion at December 31, 2017, an increase of $371 million, or 18%, from December 31, 2016.  Construction and land development loans totaled approximately $1.4 billion at December 31, 2017, compared to $1.0 billion at December 31, 2016.  The change in commercial real estate – income producing loans and construction and land development loans partially resulted from loans acquired in the FNBC I transaction with the remaining increase through organic growth.

Residential mortgages were up $544 million, or 25%, during 2017. The increase in mortgage loans is due to the Company’s success in originating private banking loans and one-time close construction loans, which we maintain in our portfolio. Consumer loans totaled $2.1 billion at December 31, 2017, relatively flat compared to December 31, 2016.

We currently expect full year 2018 loan growth to be within the range of 6% to 8%.  

The following tables provide detail of the more significant industry concentrations for our commercial and industrial loan portfolio, which is based on NAICS codes, and property type concentrations of our commercial real estate - income producing portfolios.

TABLE 10.  Commercial & Industrial Loans by Industry Concentration

	December 31,
	2017				2016
			Pct of				Pct of
($ in thousands)	Balance		Total		Balance		Total
Commercial & industrial loans:
Real estate and rental and leasing	$	1,122,389	11	%	$	975,821	10	%
Health care and social assistance		1,118,288	11			1,010,135	11
Mining, quarrying, and oil and gas extraction (a)		992,179	10			1,320,294	14
Public administration		840,773	8			796,742	8
Retail trade (a)		757,998	7			682,775	7
Manufacturing (a)		745,744	7			729,926	8
Construction		619,956	6			478,926	5
Transportation and warehousing (a)		609,011	6			468,377	5
Wholesale trade (a)		578,037	6			486,940	5
Finance and insurance		501,157	5			507,339	5
Educational services		462,595	4			421,035	4
Professional, scientific, and technical services (a)		429,637	4			340,323	4
Other services (except public administration)		356,787	3			308,802	3
Accommodation and food services		324,619	3			270,693	3
Other (a)		981,206	9			722,610	8
Total commercial & industrial loans	$	10,440,376	100	%	$	9,520,738	100	%

(a) The Company’s energy-related lending portfolio includes loans within each of these selected industry categories as the definition is based on source of revenue.  The energy-related lending portfolio totaled $1.1 billion and $1.4 billion at December 31, 2017 and 2016, respectively.

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TABLE 11.  Commercial Real Estate – Income Producing by Property Type Concentration

	December 31,
	2017				2016
			Pct of				Pct of
($ in thousands)	Balance		Total		Balance		Total
Commercial real estate - income producing loans:
Retail	$	526,929	22	%	$	466,168	23	%
Office		441,539	19			371,029	19
Multifamily		341,783	14			346,612	17
Hotel/motel		328,238	14			179,016	9
Industrial		272,133	11			289,482	14
Other		473,977	20			361,583	18
Total commercial real estate - income producing loans	$	2,384,599	100	%	$	2,013,890	100	%

The following table shows average loans by category for each of the prior three years and the effective taxable equivalent yield the percentage of total loans:

TABLE 12. Average Loans

	Years Ended December 31,
	2017						2016						2015
			Yield		Pct of				Yield		Pct of				Yield		Pct of
($ in thousands)	Balance		(te)		Total		Balance		(te)		Total		Balance		(te)		Total
Total loans:
Commercial & real estate loans	$	13,751,022	4.25	%	75	%	$	11,959,204	3.83	%	74	%	$	10,595,214	3.95	%	73	%
Residential mortgages		2,445,787	3.89		13			2,044,718	4.06		13			1,960,420	4.14		14
Consumer		2,084,076	5.52		12			2,060,671	5.13		13			1,877,733	5.08		13
Total loans	$	18,280,885	4.35	%	100	%	$	16,064,593	4.01	%	100	%	$	14,433,367	4.13	%	100	%

Taxable equivalent (te) amounts are calculated using a marginal federal income tax rate of 35%.

The following table sets forth, for the periods indicated, the approximate contractual maturity by type of the loan portfolio:

TABLE 13. Loan Maturities by Type

December 31, 2017	Maturity Range
(in thousands)	Within One Year		After One Through Five Years		After Five Years		Total
Total loans:
Commercial non-real estate	$	2,534,778	$	4,007,394	$	1,755,765	$	8,297,937
Commercial real estate - owner occupied		174,181		871,624		1,096,634		2,142,439
Total commercial & industrial		2,708,959		4,879,018		2,852,399		10,440,376
Commercial real estate - income producing		395,965		1,455,265		533,369		2,384,599
Construction and land development		418,892		508,937		445,592		1,373,421
Residential mortgages		168,928		39,181		2,482,363		2,690,472
Consumer		115,627		768,225		1,231,443		2,115,295
Total loans	$	3,808,371	$	7,650,626	$	7,545,166	$	19,004,163

The sensitivity to interest rate changes for the portion of our loan portfolio that matures after one year is shown below.

TABLE 14. Loan Sensitivity to Changes in Interest Rates

	December 31, 2017
(in thousands)	Fixed Rate		Floating Rate		Total
Total loans:
Commercial non-real estate	$	2,756,706	$	3,006,453	$	5,763,159
Commercial real estate - owner occupied		1,383,740		584,518		1,968,258
Total commercial & industrial		4,140,446		3,590,971		7,731,417
Commercial real estate - income producing		948,279		1,040,355		1,988,634
Construction and land development		494,525		460,004		954,529
Residential mortgages		1,569,135		952,409		2,521,544
Consumer		815,515		1,184,153		1,999,668
Total loans	$	7,967,900	$	7,227,892	$	15,195,792

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Nonperforming Assets

The following table sets forth nonperforming assets by type for the periods indicated, consisting of nonaccrual loans, troubled debt restructurings and other real estate owned (ORE) and foreclosed assets. Loans past due 90 days or more and still accruing are also disclosed. 

TABLE 15. Nonperforming Assets

	December 31,
(in thousands)	2017			2016			2015			2014			2013
Loans accounted for on a nonaccrual basis: (a)
Commercial  non-real estate loans	$	63,387		$	170,703		$	83,677		$	14,248		$	8,705
Commercial non-real estate loans - restructured		89,476			78,334			5,066			1,263			4,654
Total commercial non-real estate loans		152,863			249,037			88,743			15,511			13,359
Commercial  real estate - owner occupied		23,549			13,433			8,841			13,589			14,794
Commercial  real estate - owner occupied - restructured		2,440			981			1,160			1,911			2,321
Total commercial real estate - owner occupied loans		25,989			14,414			10,001			15,500			17,115
Commercial real estate - income producing loans		9,054			13,147			10,225			12,428			22,575
Commercial real estate - income producing loans - restructured		5,520			807			590			691			770
Total commercial real estate - income producing loans		14,574			13,954			10,815			13,119			23,345
Construction and land development loans		3,791			3,651			15,993			5,187			8,770
Construction and land development loans -   restructured		16			898			1,301			2,378			7,930
Total construction and land development loans		3,807			4,549			17,294			7,565			16,700
Residential mortgage loans		38,703			22,815			23,082			21,348			22,255
Residential mortgage loans - restructured		1,777			851			717			746			—
Total residential mortgage loans		40,480			23,666			23,799			22,094			22,255
Consumer loans		15,087			12,350			9,061			5,748			6,912
Total nonaccrual loans	$	252,800		$	317,970		$	159,713		$	79,537		$	99,686
Restructured loans - still accruing:
Commercial non-real estate loans	$	114,224		$	32,887		$	—		$	424		$	2,323
Commercial real estate loans - owner occupied		1,578			493			1,638			2,116			1,944
Commercial real estate loans - income producing		3,827			5,939			2,473			1,464			1,200
Construction and land development loans		—			—			20			4,905			3,298
Residential mortgage loans		480			259			106			54			507
Consumer loans		384			240			60			8			—
Total restructured loans - still accruing		120,493			39,818			4,297			8,971			9,272
Total nonperforming loans		373,293			357,788			164,010			88,508			108,958
ORE and foreclosed assets		27,542			18,943			27,133			59,569			76,979
Total nonperforming assets (b)	$	400,835		$	376,731		$	191,143		$	148,077		$	185,937
Loans 90 days past due still accruing	$	27,766		$	3,039		$	7,653		$	4,825		$	10,387
Total restructured loans	$	219,722		$	121,689		$	13,131		$	15,960		$	24,947
Ratios:
Nonperforming assets to loans plus ORE   and foreclosed assets		2.11	%		2.25	%		1.22	%		1.06	%		1.50	%
Allowance for loan losses to nonperforming loans   and accruing loans 90 days past due		54.18	%		63.58	%		105.54	%		137.96	%		111.97	%
Loans 90 days past due still accruing to loans		0.15	%		0.02	%		0.05	%		0.03	%		0.08	%

(a) Nonaccrual loans and accruing loans past due 90 days or more do not include acquired credit-impaired loans which were written down to fair value upon acquisition and accrete interest income the remaining life of the loan.

(b) Includes total nonaccrual loans, total restructured loans—still accruing and ORE and foreclosed assets.

Nonperforming assets, including nonaccrual loans, troubled debt restructurings (“TDRs”) and ORE, totaled $400.8 million at December 31, 2017, compared to $376.7 million at December 31, 2016. The net increase in nonperforming loans was mainly due to an increase in accruing restructured loans, partially offset by a decline in nonaccrual loans.  Nonperforming energy loans totaled $214 million at December 31, 2017 down from $239 million at December 31, 2016.  The $25 million year-over-year decrease impacted both the exploration and production (“E&P”) and energy support segments with E&P nonperforming loans down $20 million to $59 million and energy support service loans down $5 million to $155 million. Nonperforming assets as a percentage of total loans, ORE and foreclosed assets was 2.11% at December 31, 2017, compared to 2.25% at December 31, 2016. Non-energy nonperforming loans were up $40 million at December 31, 2017 compared to the prior year due largely to a few credits with no systemic or specific industry negative trends.

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Nonaccrual loans were $252.8 million at December 31, 2017, a decrease of $65.2 million from December 31, 2016. The majority of this decrease occurred in commercial non-real estate loans, where energy-related nonaccruals decreased $107 million during 2017.  

Loans modified in TDRs totaled $219.7 million at December 31, 2017 compared to $121.7 million at December 31, 2016. These totals included $99.2 million and $81.9 million, respectively, of loans reported in nonaccrual loans. TDRs arise when a borrower is experiencing, or is expected to experience, financial difficulties in the near-term and, consequently, a modification that would otherwise not be considered is granted to the borrower. Certain loans modified in a TDR may continue to accrue interest, depending on the individual facts and circumstances of the borrower. The $80.7 million increase in accruing TDRs between December 31, 2016 and December 31, 2017 is mainly due to energy-related loans as the industry remains stressed.

ORE and foreclosed assets increased by  a net $8.6 million during 2017 to $27.5 million at December 31, 2017, mostly due to the restructuring of an energy credit to an equity interest and the closure of overlapping branches.

Allowance for Loan and Lease Losses

The allowance for loan and lease losses represents management’s estimate of probable credit losses inherent in the loan and lease portfolios at period end.  We determine the allowance in accordance with applicable accounting literature as well as regulatory guidance related to receivables and contingencies.  Management, with Board of Directors oversight, is responsible for ensuring the adequacy of the allowance. The allowance is evaluated for adequacy on at least a quarterly basis. For a discussion of this process, see Note 1 to the consolidated financial statements located in Item 8. “Financial Statements and Supplementary Data.”

At December 31, 2017, the allowance for loan losses was $217.3 million compared to $229.4 million at December 31, 2016. This decrease is attributable to a reduction in the allowance for energy-related loans, partially offset by an increase in the non-energy allowance.  Management believes the allowance level for the energy portfolio, as built in previous years, remains adequate and allowed  the reserve to decline with charge-offs in 2017. The allowance related to the energy portfolio decreased $36.3 million to $70.2 million at December 31, 2017, and represented 6.7% of energy loans outstanding.  The non-energy allowance was up $24.2 million in 2017, reflecting continued growth and diversification of the portfolio, as well as slightly higher criticized loans.

The Company’s balance of criticized commercial loans totaled $1.1 billion at December 31, 2017, down from $1.3 billion at December 31, 2016. Criticized loans are defined as those having potential weaknesses that deserve management’s close attention (risk-rated special mention, substandard and doubtful), including both accruing and nonaccruing loans. Criticized energy-related credits decreased approximately $339 million, partially offset by higher criticized non-energy commercial credits of $147 million.  This increase in non-energy criticized loans is largely attributable to several larger loans that are diversified as to both industry and geography.  The level as a percent of  total loans is not outside of historic norms. As of December 31, 2017, criticized loans in the energy portfolio were $550 million, or approximately 52% of that portfolio. Energy-related loans delinquent for more than 30 days, including accrual and nonaccrual loans, totaled $89 million, or 8%, of the energy portfolio at December 31, 2017.

Management continues to closely monitor the ability of the Company’s energy related customers to service their debt, including reviews of customers’ balance sheets, leverage ratios, collateral values and other critical lending metrics.  We note that even with the improved commodity prices in the second half of 2017, we continue to expect a lag in the recovery of energy service and support credits, with the key to resolution being stabilized prices over the longer-term.  Many reserve based lending credits are showing signs of improvement, however, we are seeing limited improvement in the support sector, with the expectation for land based services to recover more quickly than drilling and non-drilling services that support offshore production.  Based upon information currently available, management is maintaining the estimate that net charge-offs from energy related credits could be as high as $95 million over the duration of the cycle, which started in the fourth quarter of 2014.  To date, the Company has recorded approximately $76 million in energy related net charge-offs since the start of the cycle, including net charge-offs of $35 million in 2017.

The following table provides a breakout of the Company’s allowance for loan losses for the energy portfolio, allocated by sector at December 31, 2017 and 2016:

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Table 16.  Energy Allowance for Loan Losses by Sector

		2017					2016
($ in millions)	Outstanding Balance		Allowance for Loan and Lease Losses		Allowance for Loan and Lease Losses as a % of Loans	Outstanding Balance		Allowance for Loan and Lease Losses		Allowance for Loan and Lease Losses as a % of Loans
Upstream (reserve-based lending)	$	353	$	11.4	3.24%	$	482	$	20.9	4.34%
Midstream		52		0.4	0.71%		77		2.2	2.91%
Support - drilling		121		10.5	8.62%		156		15.4	9.90%
Support - nondrilling		529		47.9	9.06%		697		68.0	9.75%
Total	$	1,055	$	70.2	6.65%	$	1,412	$	106.5	7.54%

The ratio of the allowance for loan losses as a percentage of period-end loans was 1.14% at December 31, 2017, compared to 1.37% at December 31, 2016. The allowance maintained on the non-purchased credit impaired portion of the loan portfolio totaled $203.2 million, or 1.08% of related loans, at December 31, 2017, compared to $211.1 million, or 1.27%, at December 31, 2016.

We recorded a total provision for loan losses during 2017 of $59.0 million, compared to $110.7 million in 2016. The decrease in the provision was mainly from a $66.3 million provision related to the energy portfolio in 2016.

Net charge-offs from the non-purchased credit impaired loan portfolio during 2017 were $68.7 million, or 0.38%, of average total loans. This compares to net non-purchased credit impaired charge-offs of $59.1 million, or 0.37% of average total loans, for the year ended December 31, 2016. Energy net charge-offs contributed $35.0 million and $37.8 million to total losses for the years ended December 31, 2017 and 2016, respectively. The purchased credit impaired portfolios resulted in a net recovery of $0.2 million and $0.6 million for the years ended December 31, 2017 and 2016, respectively.

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The following table sets forth activity in the allowance for loan losses for the periods indicated: 

TABLE 17. Summary of Activity in the Allowance for Loan Losses

	December 31,
(in thousands)	2017			2016			2015			2014			2013
Allowance for loan losses at beginning of period	$	229,418		$	181,179		$	128,762		$	133,626		$	136,171
Loans charged-off:
Non-Purchased credit impaired loans: (a)
Commercial non real estate		51,479			42,620			6,934			6,813			6,671
Commercial real estate - owner occupied		558			1,819			1,002			2,334			3,818
Total commercial & industrial		52,037			44,439			7,936			9,147			10,489
Commercial real estate - income producing		259			346			480			1,245			1,707
Construction and land development		619			964			2,424			4,770			10,312
Total Commercial		52,915			45,749			10,840			15,162			22,508
Residential mortgages		2,542			1,040			1,635			2,285			2,297
Consumer		31,277			26,099			16,688			14,055			18,094
Total non-purchased credit impaired charge-offs		86,734			72,888			29,163			31,502			42,899
Purchased credit impaired loans:
Commercial non real estate		—			—			1,427			221			1,071
Commercial real estate - owner occupied		—			28			390			2,960			2,442
Total commercial & industrial		—			28			1,817			3,181			3,513
Commercial real estate - income producing		—			1			2,353			2,390			1,972
Construction and land development		77			18			410			148			1,244
Total commercial		77			47			4,580			5,719			6,729
Residential mortgages		297			323			772			1,008			1,532
Consumer		153			8			143			1,270			1,250
Total purchased credit impaired charge-offs		527			378			5,495			7,997			9,511
Total charge-offs		87,261			73,266			34,658			39,499			52,410
Recoveries of loans previously charged-off:
Non-Purchased credit impaired loans:
Commercial non real estate		7,519			3,969			3,342			3,047			5,790
Commercial real estate - owner occupied		395			480			1,663			1,064			1,461
Total commercial & industrial		7,914			4,449			5,005			4,111			7,251
Commercial real estate - income producing		987			989			742			614			1,898
Construction and land development		1,459			1,725			2,179			4,000			1,676
Total commercial		10,360			7,163			7,926			8,725			10,825
Residential mortgages		1,040			859			687			644			1,936
Consumer		6,605			5,809			4,338			5,014			5,829
Total non-Purchased credit impaired recoveries		18,005			13,831			12,951			14,383			18,590
Purchased credit impaired loans:
Commercial non real estate		7			115			1,704			485			90
Commercial real estate - owner occupied		453			269			971			441			6,158
Total commercial & industrial		460			384			2,675			926			6,248
Commercial real estate - income producing		1			2			21			1,000			—
Construction and land development		144			361			910			3,138			735
Total commercial		605			747			3,606			5,064			6,983
Residential mortgages		24			36			84			1			13
Consumer		75			189			196			431			160
Total purchased credit impaired recoveries		704			972			3,886			5,496			7,156
Total recoveries		18,709			14,803			16,837			19,879			25,746
Net charge-offs - non-purchased credit impaired loans		68,729			59,057			16,212			17,119			24,309
Net charge-offs - purchased credit impaired loans		(177)			(594)			1,609			2,501			2,355
Total net charge-offs		68,552			58,463			17,821			19,620			26,664
Provision for loan losses before FDIC benefit - purchased credit impaired loans		(4,423)			(5,361)			(5,855)			(20,010)			(1,160)
Benefit attributable to FDIC loss share agreement		2,526			3,957			2,800			19,084			8,615
Provision for loan losses non-purchased credit impaired loans		60,865			112,063			76,093			34,766			25,279
Provision for loan losses, net		58,968			110,659			73,038			33,840			32,734
(Decrease) increase in FDIC loss share receivable		(2,526)			(3,957)			(2,800)			(19,084)			(8,615)
Allowance for loan losses  at end of period	$	217,308		$	229,418		$	181,179		$	128,762		$	133,626
Ratios:
Gross charge-offs - non-purchased credit impaired to average loans		0.47	%		0.45	%		0.20	%		0.24	%		0.37	%
Recoveries - non-purchased credit impaired to average loans		0.10	%		0.09	%		0.09	%		0.11	%		0.16	%
Net charge-offs - non-purchased credit impaired to average loans		0.38	%		0.37	%		0.11	%		0.13	%		0.21	%
Allowance for loan losses to period-end loans		1.14	%		1.37	%		1.15	%		0.93	%		1.08	%

(a) Non-purchased credit impaired loans includes originated and acquired loans.

An allocation of the loan loss allowance by major loan category is set forth in the following table. The decrease in the allowance for commercial non-real estate loans is primarily attributable to the energy-related portfolio discussed above.

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TABLE 18. Allocation of Allowance for Loan Losses by Category

	December 31,
	2017			2016			2015			2014			2013
($ in thousands)	Allowance for Loan Losses		% of Total Allowance	Allowance for Loan Losses		% of Total Allowance	Allowance for Loan Losses		% of Total Allowance	Allowance for Loan Losses		% of Total Allowance	Allowance for Loan Losses		% of Total Allowance
Total loans:
Commercial non-real estate	$	127,918	59	$	147,052	64	$	109,428	60	$	51,169	40	$	37,017	28
Commercial real estate -   owner occupied		12,962	6		11,083	5		9,858	6		13,536	10		18,973	14
Total commercial   & industrial		140,880	65		158,135	69		119,286	66		64,705	50		55,990	42
Commercial real estate -   income producing		13,709	6		13,509	6		6,041	3		7,546	6		12,639	9
Construction and land   development		7,372	3		6,271	3		5,642	3		6,421	5		8,845	7
Total commercial		161,961	75		177,915	78		130,969	72		78,672	61		77,474	58
Residential mortgages		24,844	11		25,361	11		25,353	14		28,660	22		34,881	26
Consumer		30,503	14		26,142	11		24,857	14		21,430	17		21,271	16
Total loans	$	217,308	100	$	229,418	100	$	181,179	100	$	128,762	100	$	133,626	100

Short-Term Investments

Short-term liquidity investments, including interest-bearing bank deposits and federal funds sold, increased  $14.2 million from December 31, 2016 to a total of $92.4 million at December 31, 2017.  Average short-term investments for 2017 totaled $363 million, a $17 million, or 5%, decrease from 2016. Short-term liquidity assets are held to ensure funds are available to meet the cash flow needs of both borrowers and depositors.

Deposits

Total deposits at December 31, 2017 were $22.3 billion, up $2.8 billion, or 15%, from December 31, 2016, with approximately $1.5 billion related to the FNBC transactions. Average total deposits in 2017 of $20.8 billion were up $2.2 billion, or 12%, over 2016, with approximately $1.2 billion related to the FNBC transactions.

As of December 31, 2017 noninterest-bearing deposits totaled $8.3 billion, a $649 million, or 8%, increase over 2016.  The proportion of noninterest-bearing deposits in the overall deposit mix was 37.3% at December 31, 2017 compared to 39.4% at the end of December 31, 2016.  

Interest-bearing transaction and savings deposits totaled $8.2 billion at December 31, 2017 compared to $6.9 billion at December 31, 2016. The $1.3billion, or 18%, increase in interest–bearing transaction and savings deposits included $931 million from the FNBC transactions.

Interest-bearing public fund deposits at December 31, 2017 increased $477 million, or 19%, compared to December 31, 2016, with $296 million of the increase from the FNBC transactions.  Year-end public fund account balances are subject to annual fluctuations dependent upon a number of factors, including the timing of tax collections. Seasonal cash inflows from public entities in the fourth quarter of each year typically results in higher balances than at other times during the year with subsequent reductions beginning in the first quarter of the following year.

Time deposits at December 31, 2017 increased $432 million, or 19%, from December 31, 2016. This increase was primarily due to a $220 million increase in CDs under $250,000, and a $153 million increase in brokered CDs.  The Company uses brokered deposits as a funding source subject to strict parameters regarding the amount, interest rate and maturity.

Table 19 sets forth average balances and weighted-average rates paid on deposits for each year in the three-year period ended December 31, 2017, as well as the percentage of total deposits for each category. Table 20 sets forth the maturities of time certificates of deposit greater than $250,000 at December 31, 2017.

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TABLE 19. Average Deposits

	2017						2016						2015
($ in millions)	Balance		Rate		Mix		Balance		Rate		Mix		Balance		Rate		Mix
Interest-bearing deposits:
Interest-bearing transaction deposits	$	3,619.4	0.50	%	17.4	%	$	2,960.9	0.26	%	15.9	%	$	3,454.2	0.14	%	20.2	%
Money market deposits		4,794.9	0.58		23.0			4,245.9	0.44		22.8			3,529.2	0.36		20.6
Savings deposits		1,765.8	0.03		8.5			1,642.4	0.01		8.8			1,572.7	0.01		9.2
Overnight treasury management    deposits		—	—		—			—	—		—			317.3	0.24		1.9
Time deposits (including Public Funds)		2,873.8	1.04		13.8			2,574.9	0.85		13.8			2,056.2	0.74		12.0
Total interest-bearing deposits		13,053.9	0.59	%	62.7			11,424.1	0.43	%	61.2			10,929.6	0.31	%	63.8
Noninterest bearing demand deposits		7,777.7			37.3			7,232.2			38.8			6,195.2			36.2
Total deposits	$	20,831.6			100.0	%	$	18,656.3			100.0	%	$	17,124.8			100.0	%

TABLE 20. Maturity of Time Certificates of Deposit greater than or equal to $250,000*

	December 31,
(in thousands)	2017
Three months	$	203,276
Over three months through six months		138,014
Over six months through one year		173,867
Over one year		216,401
Total	$	731,558

*     Includes public fund time deposits

Short-Term Borrowings

Table 21 sets forth balances of short-term borrowings for each of the past three years.  Short-term borrowings consist of federal funds purchased, securities sold under agreements to repurchase and borrowings from the FHLB. Customer repurchase agreements are a significant source of customer funding. These agreements are offered mainly to commercial customers to assist them with their ongoing cash management strategies or to provide a temporary investment vehicle for their excess liquidity pending redeployment for corporate or investment purposes. While customer repurchase agreements provide a recurring source of funds to the Bank, the amounts available over time can be volatile.  

The $1.1 billion of FHLB borrowings at December 31, 2017 consists of six fixed rate notes totaling $223 million, all maturing in 2018 and severalvariable rate term notes totaling $910 million maturing from 2020 to 2026.  These notes reprice either monthly or quarterly and may be repaid at our option, either in whole or in part, on any monthly repricing date subject to a two week advanced notice requirement.

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TABLE 21. Short-Term Borrowings

	Years Ended December 31,
($ in thousands)	2017		2016		2015
Federal funds purchased:
Amount outstanding at period end	$	140,754	$	2,275	$	10,100
Average amount outstanding during period		27,063		14,052		15,992
Maximum amount at any month end during period		140,754		59,475		13,675
Weighted-average interest at period end		1.00%		0.38%		0.13%
Weighted-average interest rate during period		1.37%		0.50%		0.26%
Securities sold under agreements to repurchase:
Amount outstanding at period end	$	430,569	$	358,131	$	513,544
Average amount outstanding during period		501,719		454,571		539,169
Maximum amount at any month end during period		587,569		579,099		609,671
Weighted-average interest at period end		0.17%		0.04%		0.03%
Weighted-average interest rate during period		0.12%		0.03%		0.03%
FHLB borrowings:
Amount outstanding at period end	$	1,132,567	$	865,000	$	900,000
Average amount outstanding during period		1,478,114		943,570		469,973
Maximum amount at any month end during period		2,061,652		1,175,000		900,000
Weighted-average interest at period end		1.35%		0.54%		0.32%
Weighted-average interest rate during period		1.00%		0.41%		0.18%

Long-Term Debt

As of December 31, 2017, long-term debt totaled $306 million, down $131 million from December 31, 2016.  The decrease was primarily a result of the repayment of $96 million of 5.875% subordinated notes that matured in April 2017.

Long-term debt at December 31, 2017 included $150 million of 30-year subordinated notes at a fixed rate of 5.95% maturing on June 15, 2045. Subject to prior approval by the Federal Reserve, we may redeem the notes in whole or in part on any interest payment date on or after June 15, 2020. This debt qualifies as Tier 2 capital in the calculation of certain regulatory capital ratios.

We entered into a three-year senior unsecured single-draw term note facility totaling $125 million in December 2015. Amounts borrowed under this facility bear interest at a variable rate of LIBOR plus 1.50% per annum. Quarterly principal payments of $4.5 million are required. The remaining principal balance as of December 31, 2017 was $89 million. The borrowing may be repaid in whole or in part at any time prior to the December 18, 2018 maturity date without premium or penalty, subject to reimbursement of certain lenders’ costs.

The Company’s other long-term debt consist of borrowings associated with tax credit fund activities.

Item 8. “Financial Statements and Supplementary Data—Note 9” provides further discussion on long-term debt.

Loan Commitments and Letters of Credit

In the normal course of business, the Bank enters into financial instruments, such as commitments to extend credit and letters of credit, to meet the financing needs of their customers. Such instruments are not reflected in the accompanying consolidated financial statements until they are funded, although they expose the Bank to varying degrees of credit risk and interest rate risk in much the same way as funded loans.

Commitments to extend credit totaled $6.7 billion at December 31, 2017, of which $702 million represents commitments to extend credit to energy-related companies.  These commitments include revolving commercial credit lines, non-revolving loan commitments issued mainly to finance the acquisition and development of construction of real property or equipment, and credit card and personal credit lines. The availability of funds under commercial credit lines and loan commitments generally depends on whether the borrower continues to meet credit standards established in the underlying contract, which may include the maintenance of sufficient collateral coverage levels, payment and financial performance, and compliance with other contractual conditions. Loan commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee by the borrower. Credit card and personal credit lines are generally subject to adjustment or cancellation if the borrower’s credit quality deteriorates. A number of commercial

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and personal credit lines are used only partially or, in some cases, not at all before they expire, and the total commitment amounts do not necessarily represent future cash requirements of the Company.

A substantial majority of the letters of credit are standby agreements that obligate the Bank to fulfill a customer’s financial commitments to a third party if the customer is unable to perform. The Bank issues standby letters of credit primarily to provide credit enhancement to customers’ other commercial or public financing arrangements and to help them demonstrate financial capacity to vendors of essential goods and services.

The contract amounts of these instruments reflect our exposure to credit risk. The Bank undertakes the same credit evaluation in making loan commitments and assuming conditional obligations as it does for on-balance sheet instruments and may require collateral or other credit support.

The following table shows the commitments to extend credit and letters of credit at December 31, 2017 and 2016 according to expiration date.

TABLE 22. Loan Commitments and Letters of Credit

			Expiration Date
(in thousands)	Total		Less Than 1 Year		1-3 Years		3-5 Years		More Than 5 Years
December 31, 2017
Commitments to extend credit	$	6,689,033	$	2,813,301	$	1,610,457	$	1,334,392	$	930,883
Letters of credit		348,377		298,927		44,186		5,132		132
Total	$	7,037,410	$	3,112,228	$	1,654,643	$	1,339,524	$	931,015

			Expiration Date
(in thousands)	Total		Less Than 1 Year		1-3 Years		3-5 Years		More Than 5 Years
December 31, 2016
Commitments to extend credit	$	5,878,290	$	2,647,413	$	1,463,388	$	958,518	$	808,971
Letters of credit		338,014		240,669		81,183		16,162		—
Total	$	6,216,304	$	2,888,082	$	1,544,571	$	974,680	$	808,971

ENTERPRISE RISK MANAGEMENT

We proactively manage risks to capture opportunities and maximize shareholder value. We balance revenue generation and profitability with the inherent risks of our business activities. Enterprise risk management helps protect shareholder value by assessing, monitoring, and managing the risks associated with our businesses. Strong risk management practices enhance decision-making, facilitate successful implementation of new initiatives, and where appropriate, support undertaking greater levels of well-managed risk to drive growth and achieve strategic objectives. Our risk management culture integrates a board-approved risk appetite with senior management direction and governance to facilitate the execution of the Company’s strategic plan. This integration ensures the daily management of risks by product types and continuous corporate monitoring of the levels of risk across the Company. We make changes to our enterprise risk management program and risk governance framework as described here at the direction of senior management and the Board of Directors to capture opportunities and to respond to changes in strategic, business, and operational environments.

Risk Categories and Definitions

Consistent with other participants in the financial services industry, the primary risk exposures of the Company are credit, market, liquidity, operational, legal, reputational, and strategic. We have adopted these seven risk categories as outlined by the Federal Reserve Board and other bank regulators to govern the risk management of banks and bank holding companies. Oversight responsibility for these categories is assigned within our risk committee governance structure.

· Credit risk arises from the potential that a borrower or counterparty will fail to perform on an obligation.

· Market risk is a financial institution’s condition resulting from adverse movements in market rates or prices, such as interest rates, foreign exchange rates, or equity prices.

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· Liquidity risk is the potential that an institution will be unable to meet its obligations as they come due because of an inability to liquidate assets or obtain adequate funding (referred to as “funding liquidity risk”) or that it cannot easily unwind or offset specific exposures without significantly lowering market prices because of inadequate market depth or market disruptions (“market liquidity risk”).

· Operational risk is the potential that inadequate information systems, operational problems, breaches in internal controls, breaches in customer data, fraud, or unforeseen catastrophes will result in unexpected losses. Consistently and interchangeably for the Company, Basel II defines this risk as the risk of loss resulting from inadequate or failed internal processes, people and systems, or from external events. The Company assesses compliance risk as a subcategory of operational risk.

· Legal risk is the potential that unenforceable contracts, lawsuits, or adverse judgments can disrupt or otherwise negatively affect the operations or condition of a banking organization.

· Reputational risk is the potential that negative publicity regarding an institution’s business practices, whether true or not, will cause a decline in the customer base, costly litigation, or revenue reductions. The Company also recognizes its reputation with shareholders and associates is an important factor of reputational risk.

· Strategic risk is the risk to current or anticipated earnings, capital, or franchise or enterprise value arising from adverse business decisions, poor implementation of business decisions, or lack of responsiveness to changes in the competitive landscape banking and financial services industries and operating environment.

Risk Committee Governance Structure

Effective risk management governance requires active oversight, participation, and interaction by senior management and the Board of Directors. Our enterprise risk management framework uses a tiered risk/reward committee structure to facilitate the timely discussion of significant risks, issues and risk mitigation strategies to inform management and the Board’s decision making. Additionally, the committee structure provides ongoing oversight and facilitates escalation within assigned portfolios. Risk committees exist at the board, governance and asset portfolio levels.

· Board risk committees. The Company’s Board of Directors has established a Board Risk Committee and Credit Risk Management Subcommittee to oversee the effective establishment of a risk governance framework, provide for an independent Credit Review assurance function, ensure the overall corporate risk profile is within its risk appetite, and direct changes or make recommendations to the Board of Directors when determined necessary. Additionally, the Board of Directors has established an Audit Committee to provide independent oversight on the effectiveness of these matters and the Company’s internal control environment. The Board Risk Committee is chaired by an independent director who meets the risk management qualifications outlined in the Dodd-Frank Act.

· Governance committees. The Capital Committee (CAPCO) of the Company serves as the senior level management risk/reward committee and oversees the business strategy, organizational structure, capital planning, and liquidity strategies for the Company. CAPCO directly oversees the strategic and reputation risk categories, which include litigation strategy and the development of capital stress testing within the Company’s risk governance framework. CAPCO drives business strategy development and execution, provides corporate financial oversight, and is responsible for portfolio risk committee oversight. CAPCO provides oversight of the portfolio risk/reward committees to ensure tactics to address business strategy changes are properly vetted and adopted, and protect the Company’s reputation.

· Portfolio committees. The Company has three portfolio risk/reward committees focusing on credit (CREDCO), market and liquidity (ALCO), and operational,  legal and compliance (OPCO) risk categories. These committees review and monitor the risk categories in a portfolio context ensuring risk assessment and management processes are being effectively executed to identify and manage risk and direct changes and escalate issues to CAPCO and Board Risk Committees when needed. The committees also monitor the risk portfolios for changes to the Company’s risk profile as well as ensure the risk portfolio is performing within the board-approved risk appetite. Portfolio committees report to CAPCO.

Risk Leadership and Organization

The risk management function of the Company, which includes the Chief Risk Officer, is led by the President of Whitney Bank. The Chief Risk Officer provides overall vision, direction and leadership regarding our enterprise risk management program. The Chief Risk Officer exercises independent judgment and reporting of risk through a direct working relationship with the Board Risk Committee, and the Chief Credit Risk Officer has the same role with the Credit Risk Management Subcommittee. The functional areas reporting to the Chief Risk Officer are the enterprise risk management program office, operational risk management, model validation, loan review, regulatory relations, legal, corporate insurance and the enterprise-wide compliance program. The Chief Risk Officer also works closely with the Chief Internal Auditor to provide assurance to the Board and senior management regarding risk management controls and their effectiveness. The Chief Internal Auditor reports to the Board’s Audit Committee to assure independence of the internal audit function. Other risk management functions reporting to the President include the Chief Credit Officer, Chief Credit Risk Officer, and Bank Secrecy Act (BSA) Officer.

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Credit Risk

The Bank’s primary lending focus is to provide commercial, consumer, and real estate loans to consumers, to small and middle market businesses, to larger corporate clients in their respective market areas, and to state, county, and municipal government entities. Diversification in the loan portfolio is a means to reduce the risks associated with economic fluctuations. The Bank has no significant concentrations of loans to individual borrowers or foreign entities.

Approximately 6% of the Bank’s loan portfolio consists of commercial non-real estate loans to the energy and energy-related sectors. These energy-based loans are actively reviewed, reported and managed. This level of lending to the energy sector is expected given our footprint and is an area of specialization and core competency of our organization. Managing collateral is an essential component of managing the Bank’s energy-related credit risk exposure. Collateral valuations are obtained at the time of origination, and updated if it is determined that the collateral value has deteriorated or if the loan is deemed to be a problem loan. In light of the current pressure on the energy sector, we continue to manage and reduce our exposure, improve our cross industry diversification, and proactively manage potential impacts to earnings.

Real estate loan levels are monitored throughout the year and the bank currently does not have a commercial real estate concentration as defined by interagency guidelines. In light of the national housing market recovery, improving local market demand, favorable price appreciation in many markets, and positive economic growth, the Company increased its exposure to residential construction/development lending during 2016 and continuing into 2017.  However, these lending activities will continue to be closely monitored for any potential signs of market weakness.

Managing collateral is an essential component of managing the Bank’s real estate-related credit risk exposure. For real estate-secured loans, third party valuations are obtained at the time of origination, and updated if it is determined that the collateral value has deteriorated or if the loan is deemed to be a problem loan. Property valuations are ordered through, and reviewed by, the Bank’s appraisal department. The property valuation, along with anticipated selling costs, are used to determine if there is loan impairment, leading to a recommendation for partial charge off or appropriate allowance allocation.

The Bank maintains an active Credit Review function, whose Credit Review Manager reports to the Credit Risk Management Subcommittee, a committee of the Board, to help ensure that developing credit concerns are identified and addressed in a timely manner. Further, an active watch list review process is in place as part of the Bank’s problem loan management strategy, and a list of loans 90 days past due and still accruing is reviewed with management (including the Chief Credit Officer and Chief Credit Risk Officer) at least monthly. Recommendations flow from all of the above activities with the goal of recognizing nonperforming loans and determining the appropriate accrual status.

Asset/Liability Management

Asset liability management consists of quantifying, analyzing and controlling interest rate risk (IRR) to maintain stability in net interest income under varying interest rate environments. The principal objective of asset liability management is to maximize net interest income while operating within acceptable risk limits established for interest rate risk and maintaining adequate levels of liquidity. Our net earnings are materially dependent on our net interest income.

IRR on the Company’s balance sheet consists of reprice, option, yield curve, and basis risks. Reprice risk results from differences in the maturity or repricing of asset and liability portfolios. Option risk arises from “embedded options” present in many financial instruments such as loan prepayment options, deposit early withdrawal options and interest rate options. These options allow customers opportunities to benefit when market interest rates change, which typically results in higher costs or lower revenue for the Company. Yield curve risk refers to the risk resulting from unequal changes in the spread between two or more rates for different maturities for the same instrument. Basis risk refers to the potential for changes in the underlying relationship between market rates and indices, which subsequently result in a narrowing of the profit spread on an earning asset or liability. Basis risk is also present in administered rate liabilities, such as savings accounts, negotiable order of withdrawal accounts, and money market accounts where historical pricing relationships to market rates may change due to the level or directional change in market interest rates.

ALCO manages our IRR exposures through pro-active measurement, monitoring, and management actions. ALCO is responsible for maintaining levels of IRR within limits approved by the Board of Directors through a risk management policy that is designed to produce a stable net interest margin in periods of interest rate fluctuation. Accordingly, the Company’s interest rate sensitivity and liquidity are monitored on an ongoing basis by its ALCO, which oversees market risk management and establishes risk measures, limits and policy guidelines for managing the amount of interest rate risk and its effect on net interest income and capital. A variety of measures are used to provide for a comprehensive view of the magnitude of interest rate risk, the distribution of risk, the level of risk over time and the exposure to changes in certain interest rate relationships.

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The Company utilizes an asset/liability model as the primary quantitative tool in measuring the amount of IRR associated with changing market rates. The model is used to perform net interest income, economic value of equity, and GAP analyses. The model quantifies the effects of various interest rate scenarios on projected net interest income and net income over the next twelve-month and 24-month periods. The model measures the impact on net interest income relative to a base case scenario of hypothetical fluctuations in interest rates over the next 24 months. These simulations incorporate assumptions regarding balance sheet growth and mix, pricing and the repricing and maturity characteristics of the existing and projected balance sheet. The impact of interest rate derivatives, such as interest rate swaps, caps and floors, is also included in the model. Other interest rate-related risks such as prepayment, basis and option risk are also considered.

Net Interest Income at Risk

Our primary market risk is interest rate risk that stems from uncertainty with respect to absolute and relative levels of future market interest rates that affect our financial products and services. In an attempt to manage our exposure to interest rate risk, management measures the sensitivity of our net interest income and cash flows under various market interest rate scenarios, establishes interest rate risk management policies and implements asset/liability management strategies designed to produce a relatively stable net interest margin under varying rate environments.

We measure our interest rate sensitivity primarily by running net interest income simulations. Our balance sheet is asset sensitive over a two year period to rising interest rates under various shock scenarios. The model measures annual net interest income sensitivity relative to a base case scenario and incorporates assumptions regarding balance sheet growth and the mix of earning assets and funding sources as well as pricing, repricing and maturity characteristics of the existing and projected balance sheet.

The following table presents an analysis of our interest rate risk as measured by the estimated changes in net interest income resulting from an instantaneous and sustained parallel shift in the yield curve at December 31, 2017. Shifts are measured in 100 basis point increments, except for the down rate scenario where the decrease is limited to 100 basis points, in a range from -100 to +500 basis points from base case (-100 through +300 basis points presented in Table 23). Base case encompasses key assumptions for asset/liability mix, loan and deposit growth, pricing, prepayment speeds, deposit decay rates, securities portfolio cash flows and reinvestment strategy, and the market value of certain assets. The base case scenario assumes that the current interest rate environment is held constant throughout the 24-month forecast period; the instantaneous shocks are performed against that yield curve. These results indicate that we are slightly asset sensitive compared to the stable rate environment assumed for the base case.

TABLE 23. Net Interest Income (te) at Risk

		Estimated Increase (Decrease) in NII
Change in Interest Rates		Year 1		Year 2
(basis points)
-	100	(1.09)	%	(3.25)	%
+	100	2.03	%	3.20	%
+	200	3.52	%	5.50	%
+	300	4.65	%	7.19	%

Note: Decrease in interest rates limited to a 100 basis point decrease in current rate environment

These scenarios are instantaneous shocks that assume balance sheet management will mirror base case. Should the yield curve begin to rise or fall, management has strategies available to maximize earnings opportunities or offset the negative impact to earnings. For example, in a rising rate environment, deposit pricing strategies could be adjusted to offer more competitive rates on long and medium-term CDs and less competitive rates on short-term CDs. Another opportunity at the start of such a cycle would be reinvesting the securities portfolio cash flows into short-term or floating-rate securities. On the loan side, we can make more floating-rate loans that tie to indices that reprice more frequently, such as LIBOR (London interbank offered rate) and make fewer fixed-rate loans. Finally, there are a number of hedge strategies by which management could use derivatives, including swaps and purchased ceilings, to lock in net interest margin protection.

Even if interest rates change in the designated amounts, there can be no assurance that our assets and liabilities would perform as anticipated. Additionally, a change in the U.S. Treasury rates in the designated amounts accompanied by a change in the shape of the U.S. Treasury yield curve would cause significantly different changes to net interest income than indicated above. Strategic management of our balance sheet and earnings is fluid and would be adjusted to accommodate these movements. As with any method of measuring interest rate risk, certain shortcomings are inherent in the methods of analysis presented above. For example, although certain assets and liabilities may have similar maturities or periods to repricing, they may react in different degrees to changes in market interest rates. Also, the interest rates on certain types of assets and liabilities may fluctuate in advance of changes in market

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interest rates, while interest rates on other types may lag behind changes in market rates. Certain assets such as adjustable-rate loans have features which restrict changes in interest rates on a short-term basis and over the life of the asset. Also, the ability of many borrowers to service their debt may decrease in the event of an interest rate increase. We consider all of these factors in monitoring exposure to interest rate risk.

Liquidity

Liquidity management is focused on ensuring that funds are available to meet the cash flow requirements of our depositors and borrowers, while also meeting the operating, capital and strategic cash flow needs of the Company, the Bank and other subsidiaries. We develop liquidity management strategies and measures and monitor liquidity risk as part of an overall asset/liability management process.

TABLE 24. Liquidity Metrics

	2017		2016		2015
Free securities / total securities	44.15	%	23.46	%	20.29	%
Core deposits  / total deposits	93.03	%	93.22	%	94.90	%
Wholesale funds / core deposits	9.71	%	9.18	%	11.02	%
Average loans / average deposits	87.76	%	86.11	%	84.28	%

The asset portion of the balance sheet provides liquidity primarily through loan principal repayments, maturities of investment securities and occasional sales of various assets. Short-term investments such as federal funds sold, securities purchased under agreements to resell and interest-bearing deposits with the Federal Reserve Bank or with other commercial banks are additional sources of liquidity to meet cash flow requirements. Free securities represent unpledged securities that can be sold or used as collateral for borrowings, and include unpledged securities assigned to short-term dealer repurchase agreements or to the Federal Reserve Bank discount window. Management has established an internal target for the ratio of free securities to total securities to be 15% or more. As shown in Table 24 above, our ratios of free securities to total securities were 44.15% and 23.46%, respectively, at December 31, 2017 and 2016. The improvement in this ratio was due to an $871 million increase in total securities outpacing the growth in funds that require pledging. The total pledged securities at December 31, 2017 were down $550 million compared to December 31, 2016. This decrease was primarily due to the use of FHLB letters of credit for pledging purposes instead of investment securities.

The liability portion of the balance sheet provides liquidity mainly through the Company’s ability to use cash sourced from various customers’ interest-bearing and noninterest-bearing deposit accounts and sweep accounts.  At December 31, 2017, deposits totaled $22.3 billion, an increase of $2.8 billion, or 15%, from December 31, 2016. Core deposits represent total deposits excluding certificates of deposits (“CDs”) of $250,000 or more and brokered deposits.  The ratio of core deposits to total deposits was 93.03% at December 31, 2017, compared to 93.22% to December 31, 2016. Core deposits totaled $20.7 billion at December 31, 2017, an increase of $2.6 billion from December 31, 2016. This increase was due, in part, to the FNBC transactions. Brokered deposits totaled $838 million as of December 31, 2017 compared to $693 million at December 31, 2016. Use of brokered deposits as a funding source is subject to strict parameters regarding the amount, term, and interest rate.

Purchases of federal funds, securities sold under agreements to repurchase and other short-term borrowings from customers provide additional sources of liquidity to meet short-term funding requirements. In addition to funding from customer sources, the Bank has a line of credit with the FHLB that is secured by blanket pledges of certain mortgage loans. At December 31, 2017, the Bank had borrowed $1.1 billion from the FHLB and had approximately $3.2 billion remaining available under this line.  The Bank also has unused borrowing capacity at the Federal Reserve’s discount window of approximately $2.2 billion.  There were no outstanding borrowings with the Federal Reserve at December 31, 2017 and December 31, 2016.

Wholesale funds which were comprised of short-term borrowings and long-term debt, were 9.71% of core deposits at December 31, 2017 and 9.18% at December 31, 2016. The increase was related to a $347 million increase in wholesale funds, primarily from FHLB borrowings, and a $2.6 billion increase in core deposits. The Company has established an internal target for wholesale funds to be less than 25% of core deposits.

Another key measure the Company uses to monitor its liquidity position is the loan to deposit ratio (average loans outstanding for the reporting period divided by average deposits outstanding).  The loan-to-deposit ratio measures the amount of funds the Company lends out for each dollar of deposits on hand. The Company’s loan-to-deposit ratio was 87.76% for 2017, up 165 bps from 2016, as average loans grew at a faster pace than average deposits, largely driven by the timing of the FNBC transactions where the majority of the loans acquired were in the first transaction and the deposits in the later.  Management has established an internal target range for the loan to deposit ratio from 83% to 87%. The fourth quarter 2017 average loans to deposit ratio at 86.57% was within the targeted range.

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Cash generated from operations is another important source of funds to meet liquidity needs. The consolidated statements of cash flows present operating cash flows and summarize all significant sources and uses of funds for the three years ended December 31, 2017.

Dividends received from the Bank have been the primary source of funds available to the Parent Company for the payment of dividends to our stockholders and for servicing its debt. The liquidity management process takes into account the various regulatory provisions that can limit the amount of dividends that the Bank can distribute to the Parent Company, as described in Note 11 to the consolidated financial statements, “Stockholders’ Equity.” It is the Company’s policy to maintain cash or other liquid assets to provide liquidity in an amount sufficient to fund a minimum of six quarters of anticipated common stockholder dividends.

CONTRACTUAL OBLIGATIONS

The following table summarizes all significant contractual obligations as of December 31, 2017, according to payments due by period. Obligations under deposit contracts and short-term borrowings are not included. The maturities of time deposits in amounts greater than $250,000 are presented in Table 20. Purchase obligations represent legal and binding contracts to purchase services and goods that cannot be settled or terminated without paying substantially all of the contractual amounts.

TABLE 25. Contractual Obligations

	Payment due by period
(in thousands)	Total		Less Than 1 Year		1-3 Years		3-5 Years		More Than 5 Years
Long-term debt obligations	$	561,991	$	113,433		57,081		33,409		358,068
Operating lease obligations		151,830		16,307		29,281		24,416		81,826
Purchase obligations		90,118		63,757		24,381		1,980		—
Total	$	803,939	$	193,497	$	110,743	$	59,805	$	439,894

CAPITAL RESOURCES

The Company currently has a strong capital position which is vital to continued profitability, promotes depositor and investor confidence, and provides a solid foundation for future growth and flexibility in addressing strategic opportunities. Stockholders’ equity totaled $2.9 billion at December 31, 2017 compared to $2.7 billion at December 31, 2016. The $165 million increase resulted primarily from net income for the year of $215.6 million, partially offset by $83.3 million in dividends paid. 

On December 16, 2016, the Company issued approximately $259 million, or 6.325 million shares, of its common stock at approximately $41.00 per share.  This additional capital was partially used to support the purchase of assets in the FNBC I transaction.

The Company’s tangible common equity ratio was 7.73% at December 31, 2017, compared to 8.64% a year earlier. The decline in tangible capital is mainly attributable to the increase in assets and goodwill associated with the FNBC transactions. The Company has established an internal target for the tangible common equity ratio of at least 8.00%. Management allows the tangible common equity ratio to drop below 8.00% on a temporary basis if it believes that the shortfall can be replenished through normal operations within a short time frame.  We expect to reach this target level in 2018.

The primary quantitative measures that regulators use to gauge capital adequacy are the ratios of total, tier 1 and common equity tier 1 regulatory capital to risk-weighted assets (risk-based capital ratios) and the ratio of Tier 1 capital to average total assets (leverage ratio). The Federal Reserve Board’s final rule implementing the Basel III regulatory capital framework and related Dodd-Frank Act changes was effective for the Company on January 1, 2015. The final rule strengthened the definition of regulatory capital, increased risk-based capital requirements, and made selected changes to the calculation of risk-weighted assets. The rule sets the Basel III minimum regulatory capital requirements for all organizations. It includes a new common equity Tier 1 ratio of 4.5% of risk-weighted assets, raises the minimum Tier 1 capital ratio from 4.0% to 6.0% of risk-weighted assets and sets a new conservation buffer of 2.5% of risk-weighted assets; however, the rule allows for transition periods for certain changes, including the conservation buffer. Based on capital ratios as of December 31, 2017 using Basel III definitions, the Company and the Bank exceeded all capital requirements of the new rule, including the fully phased-in conservation buffer. The Company and the Bank have established internal targets for its total risk-based capital ratio, Tier 1 risk-based capital ratio and leverage ratio of 11.5%, 9.5% and 7.0%, respectively.

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At December 31, 2017, our regulatory capital ratios were well in excess of current regulatory minimum requirements. Additionally, both the Company and the Bank were considered “well capitalized” by regulatory agencies.  The following table shows the Company’s capital ratios for the past five years. Note 11 – Stockholders’ Equity to the consolidated financial statements provides additional information about the Bank’s regulatory capital ratios.

TABLE 26.  Risk-Based Capital and Capital Ratios

(in thousands)	2017		2016		2015		2014		2013
Common equity tier 1 capital	$	2,214,723	$	2,184,812	$	1,844,992	$	1,777,348	$	1,685,058
Additional tier 1 capital		—		—		—		—		—
Tier 1 capital		2,214,723		2,184,812		1,844,992		1,777,348		1,685,058
Tier 2 capital		367,308		379,418		350,921		168,362		192,774
Total capital	$	2,582,031	$	2,564,230	$	2,195,913	$	1,945,710	$	1,877,832
Risk-weighted assets	$	21,695,628	$	19,404,265	$	18,515,904	$	15,822,448	$	14,325,757
Ratios
Leverage (Tier 1 capital to average assets)		8.43%		9.56%		8.55%		9.17%		9.34%
Common equity tier 1 capital to    risk-weighted assets *		10.21%		11.26%		9.96%		n/a		n/a
Tier 1 capital to risk-weighted assets		10.21%		11.26%		9.96%		11.23%		11.76%
Total capital to risk-weighted assets		11.90%		13.21%		11.86%		12.30%		13.11%
Common stockholders' equity to total assets		10.55%		11.34%		10.57%		11.92%		12.76%
Tangible common equity to total assets		7.73%		8.64%		7.62%		8.59%		9.00%

*     Common equity tier 1 capital only effective for years ended after December 31, 2014.

The Company’s regulatory capital ratios declined in 2017 due largely to the assets acquired in the FNBC transactions and organic growth; however, they remain strong at December 31, 2017, with common equity tier 1 and tier 1 risk-weighted asset ratios at 10.21%, and total risk-weighted asset ratios at 11.90%.

STOCK REPURCHASE PROGRAM

In September 2016, the Company’s stock repurchase plan that had been approved by the Board of Directors on August 28, 2015 expired. The plan had authorized the repurchase of up to 5%, or approximately 3.9 million shares of its outstanding common stock. There were no repurchases under the plan in 2016 and 2017.

See Item 5. “Market for the Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities” for additional discussion of the Company’s common stock buyback program.

FOURTH QUARTER RESULTS

Net income for the fourth quarter of 2017 was $55.4 million, or $0.64 per diluted common share, compared to $58.9 million, or $0.68, and $51.8 million, or $0.64, respectively in the third quarter of 2017 and the fourth quarter of 2016.  The fourth quarter of 2017 includes an estimated $19.5 million ($0.22 per share impact) charge for the re-measurement of net deferred tax assets related to the Tax Act, while the third quarter of 2017 included $11.4 million of nonoperating items ($0.08 per share) mainly related to the FNBC transactions.  There were no nonoperating items in the fourth quarter of 2016. The following discussion highlights recent factors impacting Hancock’s results of operations and financial position.

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Highlights of the Company’s fourth quarter of 2017 results (compared to third quarter 2017):

· Net income decreased $3.5 million, or 6%; excluding the $19.5 million net deferred tax asset re-measurement charge and nonoperating items, earnings increased $8.7 million, or 13%

· Loans increased $218 million, or 5% linked quarter annualized

· Energy loans totaled $1.1 billion at year end and comprised 5.6% of total loans, down from 6% at September 30, 2017; allowance for the energy portfolio totaled $70.2 million, or 6.7% of energy loans

· Core pre-provision net revenue of $116.5 million, up $5.4 million, or 5%

· Net interest margin  of 3.48%, up 4 bps; core net interest margin up 3 bps to 3.35%

· Efficiency ratio improved approximately 100 bps to 56.6%

· Return on average assets declined 6 bps to 0.82%; excluding nonoperating items and the net deferred tax asset re-measurement charge, return on average assets increased 11 bps to 1.10%

· Tangible common equity ratio decreased 7 bps to 7.73% mainly related to the deferred tax asset re-measurement charge

Total loans at December 31, 2017 were $19.0 billion, an increase of $218 million, or 1%, from September 30, 2017.  The Company’s net loan growth during the quarter was diversified across the footprint and also in areas identified as part of the Company’s revenue-generating initiatives.

Total deposits at December 31, 2017 were $22.3 billion, up $719 million, or 3%, from September 30, 2017. The fourth quarter increase reflected year-end seasonality of both commercial and public fund customers. Historically, customers have built deposits at year-end, particularly in demand deposits, with some of those deposits being withdrawn in the first quarter.

Noninterest-bearing deposits totaled $8.3 billion at December 31, 2017, up $411 million, or 5%, from September 30, 2017 and comprised 37% of total deposits at December 31, 2017. Interest-bearing transaction and savings deposits totaled $8.2 billion at year-end 2017, up $288 million, or 4%, compared to September 30, 2017.  

Time deposits of $2.7 billion decreased $258 million, or 9%, while interest-bearing public fund deposits increased $278 million, or 10%, to $3.0 billion at December 31, 2017.  

The Company recorded a total provision for loan losses for the fourth quarter of 2017 of $15 million, up from $13 million in the third quarter of 2017.   Net charge-offs from the non-purchased credit impaired loan portfolio were $21.1 million, or 0.44% of average total loans on an annualized basis in the fourth quarter of 2017, compared to $11.8 million, or 0.25% of average total loans, for the third quarter of 2017.  Energy-related net charge-offs were $8.4 million and $3.6 million in the fourth quarter and third quarters of 2017, respectively.  The provision expense reflects the continued decline in energy allowance as management believes the level, as built in prior quarters, remains adequate, partially offset by an increase in the non-energy allowance as we grow and diversify the portfolio.

Net interest income (te) for the fourth quarter of 2017 was $217 million, up $5.5 million from the third quarter of 2017.  The increase reflects both an improved mix and growth in earning assets, an increase in the loan yield of 7 bps and a 2 bp increase in the yield on the securities portfolio.  These improvements were partially offset by a 2 bp increase in the cost of funds related to higher rates paid on time deposits and public deposits.

The net interest margin (te) was 3.48% for the fourth quarter of 2017, up 4 bps from the third quarter of 2017.  The net interest margin, excluding net purchase accounting adjustments, increased 3 bps to 3.35% during the fourth quarter of 2017.  The main driver of the expansion was an improved mix of earning assets during the quarter coupled with an increase of 7 bps in the loan yield.

Noninterest income totaled $69.7 million for the fourth quarter of 2017, up $2.6 million, or 7%, from the third quarter of 2017.  Included in the total is $2.9 million of gains on sale of loans. 

Service charges on deposits totaled $22.5 million for the fourth quarter of 2017, up $1.0 million, or 5%, from the third quarter of 2017. Bank card and ATM fees totaled $14.2 million, up $0.8 million, or 6%, from the third quarter of 2017. 

Trust fees totaled $11.1 million, up $0.3 million, or 3% linked-quarter.  Investment and annuity income and insurance fees totaled $5.8 million, down $0.4 million, or 7% linked-quarter.

Fees from secondary mortgage operations totaled $3.2 million for the fourth quarter of 2017, down $0.9 million, or 22% linked-quarter.

Other noninterest income totaled $12.9 million, up $1.8 million, or 16%, from the third quarter of 2017.  The increase was mainly related to a $2.9 million gain from the bulk sale of problem loans partially offset by several smaller miscellaneous items.

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Noninterest expense for the fourth quarter of 2017 totaled $168.1 million, down $9.6 million, or 5%, from the third quarter of 2017.  Included in the third quarter’s total are $11.4 million of nonoperating expenses related to costs associated with the FNBC transactions.  Excluding these items, operating expenses were up $1.8 million, or 1%, linked-quarter.

Total personnel expense was $95.2 million in the fourth quarter of 2017, up $2.5 million, or 3%, from the third quarter of 2017.  The increase was mainly related to performance-based incentive pay.

Occupancy and equipment expense totaled $15.0 million in the fourth quarter of 2017, down $0.8 million, or 5%, from the third quarter of 2017.  

Amortization of intangibles totaled $5.9 million for the fourth quarter of 2016, down $0.2 million, or 3%, linked-quarter. Net gains on ORE dispositions exceeded ORE expense by $0.3 million in the fourth quarter of 2017.  The third quarter reflects a more normal level of ORE expense at $0.2 million.

Other operating expense totaled $52.4 million in the fourth quarter of 2017, up $0.8 million, or 2%, from the third quarter of 2017. 

The effective income tax rate for the fourth quarter of 2017 was 21% (excluding the deferred tax asset re-measurement charge). The lower rate in the fourth quarter was primarily related to the excess tax benefit of stock compensation deduction in excess of book expense. The effective income tax rate continues to be less than the statutory rate due primarily to tax-exempt income and tax credits.

The summary of quarterly financial information appearing in “Item 8. Financial Statements and Supplementary Data” provides selected comparative financial information for each of the four quarters of 2017 and 2016.

CRITICAL ACCOUNTING POLICIES AND SIGNIFICANT ESTIMATES

The accounting principles we follow and the methods for applying these principles conform to accounting principles generally accepted in the United States of America and general practices followed by the banking industry. The significant accounting principles and practices we follow are described in Note 1 to the consolidated financial statements. These principles and practices require management to make estimates and assumptions about future events that affect the amounts reported in the consolidated financial statements and accompanying notes. Management evaluates the estimates and assumptions made on an ongoing basis to help ensure the resulting reported amounts reflect management’s best estimates and judgments given current facts and circumstances. The following discusses certain critical accounting policies that involve a higher degree of management judgment and complexity in producing estimates that may significantly affect amounts reported in the consolidated financial statements and notes.

Acquisition Accounting

Acquisitions are accounted for under the purchase method of accounting. Purchased assets, including identifiable intangible assets, and assumed liabilities are recorded at their respective acquisition date fair values. Management applies various valuation methodologies to these assets and liabilities which often involve a significant degree of judgment, particularly when liquid markets do not exist for the particular item being valued. Examples of such items include loans, deposits, identifiable intangible assets and certain other assets and liabilities acquired or assumed in business combinations. Management uses significant estimates and assumptions to value such items, including, among others, projected cash flows, repayment rates, default rates and losses assuming default, discount rates, and realizable collateral values. The purchase date valuations and any subsequent adjustments also determine the amount of goodwill or bargain purchase gain recognized in connection with the business combination. Certain assumptions and estimates must be updated regularly in connection with the ongoing accounting for purchased loans. Valuation assumptions and estimates may also have to be revisited in connection with periodic assessments of possible value impairment, including impairment of goodwill, intangible assets and certain other long-lived assets. The use of different assumptions could produce significantly different valuation results, which could have material positive or negative effects on our results of operations.

Allowance for Loan and Lease Losses

The allowance for loan and lease losses (ALLL) is a valuation account available to absorb losses on loans. The ALLL is established and maintained at an amount that in management’s estimation is sufficient to cover the estimated credit losses inherent in the loan and lease portfolios of the Company as of the date of the determination. Credit losses arise not only from credit risk, but also from other risks inherent in the lending process including, but not limited to, collateral risk, operational risk, concentration risk, and economic risk. As such, all related risks of lending are considered when assessing the adequacy of the allowance for loan and lease losses. Quarterly, management estimates inherent losses in the portfolio based on a number of factors, including the Company’s past loan loss and delinquency experience, known and inherent risks in the portfolio, adverse situations that may affect the borrowers’ ability to repay, the estimated value of any underlying collateral and current economic conditions.

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The analysis and methodology for estimating the ALLL for originated and acquired performing loans include two primary elements. A loss rate analysis that incorporates a historical loss rate as updated for current conditions is used for loans collectively evaluated for impairment, and a specific reserve analysis is used for loans individually evaluated for impairment.

The loss rate analysis includes several subjective inputs including portfolio segmentation, portfolio risk ratings, historical look-back and loss emergence periods. Management considers the appropriateness of these critical assumptions as part of its allowance review. The loss rate analysis is supplemented by a review of qualitative factors that considers whether current conditions differ from those existing during the historical-based loss rate analysis. Such factors include, but are not limited to, problem loan trends, changes in loan profiles and volumes, changes in lending policies and procedures, current economic and business conditions and credit concentrations. While qualitative data related for these factors is used where available, there is a high level of judgment applied assumptions that are susceptible to significant change.

The qualitative component comprised 30% of the total ALLL as of December 31, 2017. The qualitative component of theALLL remains elevated in 2017 compared to historical levels as a result of the continuing energy cycle, requiring management’s best estimate of the impact to the portfolio with limited quantitative support. While we believe the level of allowance is sufficient to absorb losses inherent in the portfolio today, actual results could differ significantly depending on the depth and duration of the energy cycle and the overall impact to the portfolio, which remains uncertain.

For loans impaired that are individually evaluated, a specific allowance is calculated as the shortfall between the loan’s value and its recorded investment. The loan’s value is measured by either the loan’s observable market price, the fair value of the collateral of the loan (less liquidation costs) if it is collateral dependent, or by the present value of expected future cash flows discounted at the loan’s effective interest rate. Values for impaired loans are highly subjective and actual results could differ.

Goodwill Impairment Testing

Goodwill represents the excess of the consideration paid over the fair value of the net assets acquired, or the excess of the fair value of the net liabilities assumed over the consideration received.  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.  The impairment test compares the estimated fair value of a reporting unit with its net book value.  We have assigned all goodwill to one reporting unit that represents our overall banking operations. The fair value of the reporting unit is based on valuation techniques that market participants would use in an acquisition of the whole unit, such as estimated discounted cash flows, the quoted market price of our common stock adjusted for a control premium and observable average price-to-earnings and price-to-book multiples of our competitors.  If the unit’s fair value is less than its carrying value, an estimate of the implied fair value of the goodwill is compared to the goodwill’s carrying value and any impairment recognized.

We completed our annual impairment test of goodwill as of September 30, 2017 and concluded that there was no impairment.  We used the discounted net present value of estimated future cash flows approach to measure the fair value of goodwill at September 30, 2017. This valuation technique requires significant assumptions concerning the expected net interest margins and other revenue and expense levels, loan and deposit growth rates, and discount rates for cash flows. Changes to any of these assumptions could result in significantly different results. 

Income Taxes

Judgement is required in determining our provision for income taxes and income tax assets and liabilities, including evaluating uncertainties in the application of accounting principles and complex tax laws. The Tax Act that was signed into law on December 22, 2017 significantly revises the U.S. corporate income tax laws by, among other things, lowering the statutory corporate tax rate from 35% to 21% and eliminating or reducing certain deductions. The Company re-measured its deferred tax assets and liabilities based upon the newly enacted U.S. statutory federal income tax rate of 21%, which is the tax rate at which these assets and liabilities are expected to reverse in the future. The re-measurement resulted in a $19.5 million charge to income tax expense for the year ended December 31, 2017, comprised of $25.3 million of expense related to certain items included within AOCI, and a provisional income tax benefit of $5.8 million related to items included in continuing operations. The provisional benefit is a reasonable estimate as the Company has not completed its analysis of the impact of the Tax Act and the related calculations that could affect the measurement of deferred tax assets and liabilities. The SEC’s Staff Accounting Bulletin No. 118 permits the recording of provisional amounts related to the impact of the Tax Act during a measurement period which is not to exceed one year from the enactment date of the Tax Act. Adjustments to the provisional amount may occur during the measurement period as the Company continues to collect information, finalize calculations and interpret any additional guidance provided by the IRS or other regulatory agencies.  Any such adjustments may materially impact income tax expense in the period in which the adjustments are made. Refer to Note 13 – Income Taxes within Item 8. “Financial Statements and Supplementary Data” for more information regarding the Tax Cuts and Jobs Act and its impact to our consolidated financial statements.

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Accounting for Retirement Benefits

Management makes a variety of assumptions in applying principles that govern the accounting for benefits under the Company’s defined benefit pension plans and other postretirement benefit plans. These assumptions are essential to the actuarial valuation that determines the amounts recognized and certain disclosures it makes in the consolidated financial statements related to the operation of these plans. Two of the more significant assumptions concern the expected long-term rate of return on plan assets and the rate needed to discount projected benefits to their present value. Changes in these assumptions impact the cost of retirement benefits recognized in net income and comprehensive income. Certain assumptions are closely tied to current conditions and are generally revised at each measurement date. For example, the discount rate is reset annually with reference to market yields on high quality fixed-income investments. Other assumptions, such as the rate of return on assets, are determined, in part, with reference to historical and expected conditions over time and are not as susceptible to frequent revision. Holding other factors constant, the cost of retirement benefits will move opposite to changes in either the discount rate or the rate of return on assets. Item 8. “Financial Statements and Supplementary Data—Note 16” provides further discussion on the accounting for Hancock’s retirement and employee benefit plans and the estimates used in determining the actuarial present value of the benefit obligations and the net periodic benefit expense.

RECENT ACCOUNTING PRONOUNCEMENTS

See Note 1 to our consolidated financial statements that appears in Item 8. “Financial Statements and Supplementary Data.”

ITEM 7A.    QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

The information required for this item is included in the section entitled “Asset/Liability Management” that appears in Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and is incorporated here by reference.

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ITEM 8.       FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

The Company’s unaudited quarterly results for 2017 and 2016 are presented below.

Summary of Quarterly Results

(Unaudited)

	2017
(in thousands, except per share data)	First		Second		Third		Fourth
Income Statement Data:
Interest income (te) (a)	$	210,813	$	234,741	$	241,295	$	248,122
Interest expense		(20,824)		(26,460)		(29,859)		(31,126)
Net interest income (te) (a)		189,989		208,281		211,436		216,996
Taxable equivalent adjustment		8,298		8,564		8,579		8,949
Net interest income		181,691		199,717		202,857		208,047
Provision for loan losses		(15,991)		(14,951)		(13,040)		(14,986)
Noninterest income		63,491		67,487		67,115		69,688
Noninterest expense		(163,542)		(183,470)		(177,616)		(168,063)
Income before income taxes		65,649		68,783		79,316		94,686
Income tax expense		16,635		16,516		20,414		39,237
Net income	$	49,014	$	52,267	$	58,902	$	55,449
For informational purposes only:
Nonoperating items, net - pre-tax		2,111		10,617		11,393		—
Impact of re-measurement of deferred tax asset (b)		—		—		—		19,520
Balance Sheet Data:
Period end balance sheet data
Total assets	$	25,485,026	$	26,630,569	$	26,816,755	$	27,336,086
Earning assets		23,278,297		24,295,892		24,545,798		25,024,792
Loans		18,204,868		18,473,841		18,786,285		19,004,163
Deposits		19,922,020		21,442,815		21,533,859		22,253,202
Stockholders' equity		2,763,622		2,813,962		2,863,275		2,884,949
Average balance sheet data
Total assets	$	24,756,506	$	26,526,253	$	26,677,573	$	26,973,507
Earning assets		22,770,001		24,338,130		24,487,426		24,812,676
Loans		17,303,044		18,369,446		18,591,219		18,839,537
Deposits		19,247,858		20,932,561		21,349,818		21,762,757
Stockholders' equity		2,733,089		2,786,566		2,838,517		2,867,475
Performance Ratios:
Return on average assets		.80%		.79%		.88%		.82%
Return on average common equity		7.27%		7.52%		8.23%		7.67%
Net interest margin (te) (a)		3.37%		3.43%		3.44%		3.48%
Common Shares Data:
Earnings per share:
Basic	$	0.57	$	0.60	$	0.68	$	0.64
Diluted	$	0.57	$	0.60	$	0.68	$	0.64
Cash dividends per common share	$	0.24	$	0.24	$	0.24	$	0.24
Market data:
High sales price	$	49.50	$	52.94	$	50.40	$	53.35
Low sales price		41.71		42.70		41.05		46.18
Period-end closing price		45.55		49.00		48.45		49.50
Trading volume		45,119		39,035		33,243		29,308
Core pre-provision net revenue (TE) (c)
Net interest income	$	181,691	$	199,717	$	202,857	$	208,047
Noninterest income		63,491		67,487		67,115		69,688
Total revenue	$	245,182	$	267,204	$	269,972	$	277,735
Taxable equivalent adjustment		8,298		8,564		8,579		8,949
Purchase accounting adjustments - revenue (d)		(3,463)		(7,076)		(7,347)		(7,960)
Nonoperating revenue		(4,352)		—		—		—
Core revenue (TE)	$	245,665	$	268,692	$	271,204	$	278,724
Noninterest expense		(163,542)		(183,470)		(177,616)		(168,063)
Intangible amortization		4,705		5,757		6,070		5,885
Nonoperating expense		6,463		10,617		11,393		—
Core pre-provision net revenue (TE)	$	93,291	$	101,596	$	111,051	$	116,546

(a) Taxable equivalent (te) amounts are calculated using a marginal federal income tax rate of 35%.

(b) Income tax expense resulting from re-measurement of net deferred asset following the enactment of the Tax Act.

(c) For discussion of non-GAAP measures, refer to Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations.”

(d) Includes net loan discount accretion and net investment premium amortization, both arising from acquisition accounted for as a business combination, and amortization of the FDIC loss share receivable.

69

Summary of Quarterly Results (continued)

(Unaudited)

	2016
(in thousands, except per share data)	First		Second		Third		Fourth
Income Statement Data:
Interest income (te) (a)	$	185,984	$	189,702	$	188,937	$	193,383
Interest expense		(17,805)		(18,537)		(18,640)		(18,069)
Net interest income (te) (a)		168,179		171,165		170,297		175,314
Taxable equivalent adjustment		(5,343)		(6,196)		(6,784)		(7,516)
Net interest income		162,836		164,969		163,513		167,798
Provision for loan losses		(60,036)		(17,196)		(18,972)		(14,455)
Noninterest income		58,186		63,694		63,008		65,893
Noninterest expense		(156,032)		(150,942)		(149,058)		(156,283)
Income before income taxes		4,954		60,525		58,491		62,953
Income tax expense		1,115		13,618		11,772		11,122
Net income	$	3,839	$	46,907	$	46,719	$	51,831
For information purposes only:
Nonoperating items, net - pre-tax		4,978		—		—		—
Balance Sheet Data:
Period end balance sheet data
Total assets	$	22,809,370	$	23,063,790	$	23,108,730	$	23,975,302
Earning assets		20,821,513		21,037,622		21,085,398		21,881,520
Loans		15,978,124		16,035,796		16,070,821		16,752,151
Deposits		18,656,150		18,816,869		18,885,477		19,424,266
Stockholders' equity		2,421,040		2,463,365		2,489,127		2,719,768
Average balance sheet data
Total assets	$	22,932,515	$	23,138,591	$	23,202,790	$	23,437,530
Earning assets		20,910,668		21,147,029		21,197,406		21,462,188
Loans		15,848,770		16,059,846		16,023,458		16,323,897
Deposits		18,281,754		18,717,755		18,710,236		18,912,155
Stockholders' equity		2,431,747		2,430,005		2,472,398		2,517,418
Performance Ratios:
Return on average assets		0.07%		0.82%		0.80%		0.88%
Return on average common equity		0.64%		7.76%		7.52%		8.19%
Net interest margin (te) (a)		3.23%		3.25%		3.20%		3.26%
Common Shares Data:
Earnings per share
Basic	$	0.05	$	0.59	$	0.59	$	0.64
Diluted	$	0.05	$	0.59	$	0.59	$	0.64
Cash dividends per common share	$	0.24	$	0.24	$	0.24	$	0.24
Market data:
High sales price	$	25.84	$	27.84	$	32.94	$	45.50
Low sales price		20.01		21.93		24.49		31.73
Period-end closing price		22.96		26.11		32.43		43.10
Trading volume		56,319		41,668		42,809		43,664
Core Pre-Provision Net Revenue (b)
Net interest income	$	162,836	$	164,969	$	163,513	$	167,798
Noninterest income		58,186		63,694		63,008		65,893
Total revenue	$	221,022	$	228,663	$	226,521	$	233,691
Taxable equivalent adjustment		5,343		6,196		6,784		7,516
Purchase accounting adjustments - revenue (c)		(4,026)		(3,716)		(3,088)		(2,538)
Core revenue (TE)	$	222,339	$	231,143	$	230,217	$	238,669
Noninterest expense		(156,032)		(150,942)		(149,058)		(156,283)
Intangible amortization		5,124		5,005		4,886		4,766
Nonoperating expense		4,978		—		—		—
Core pre-provision net revenue (TE)	$	76,409	$	85,206	$	86,045	$	87,152

(a) Taxable equivalent (te) amounts are calculated using a marginal federal income tax rate of 35%.

(b) For discussion of non-GAAP measures, refer to Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations.”

(c) Includes net loan discount accretion and net investment premium amortization, both arising from acquisition accounted for as a business combination, and amortization of the FDIC loss share receivable.

70

MANAGEMENT’S REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING

The management of Hancock Holding Company has prepared the consolidated financial statements and other information in our Annual Report in accordance with accounting principles generally accepted in the United States of America and is responsible for its accuracy. The financial statements necessarily include amounts that are based on management’s best estimates and judgments.

In meeting its responsibility, management relies on internal accounting and related control systems. The internal control systems are designed to ensure that transactions are properly authorized and recorded in the Company’s financial records and to safeguard the Company’s assets from material loss or misuse. Such assurance cannot be absolute because of inherent limitations in any internal control system.

The Company’s management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in the Rule 13(a)–15(f) under the Securities Exchange Act of 1934. Under the supervision and with the participation of management, including the Company’s principal executive officer and principal financial officer, the Company conducted an evaluation of the effectiveness of internal control over financial reporting based on the framework in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. 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. Our evaluation included a review of the documentation of controls, evaluations of the design of the internal control system and tests of the effectiveness of internal controls.

The Company’s internal control over financial reporting as of December 31, 2017 was audited by PricewaterhouseCoopers, LLP, an independent registered public accounting firm, as stated in their accompanying report which expresses an unqualified opinion on the effectiveness of the Company’s internal control over financial reporting as of December 31, 2017.

Based on the Company’s evaluation under the framework in Internal Control – Integrated Framework (2013), management concluded that internal control over financial reporting was effective as of December 31, 2017.

John M. Hairston President & Chief Executive Officer (Principal Executive Officer) February 26, 2018 Michael M. Achary Chief Financial Officer (Principal Financial Officer) February 26, 2018

71

Report of Independent Registered Public Accounting Firm

Tothe Board of Directors and Shareholders of Hancock Holding Company:

Opinions on the Financial Statements and Internal Control over Financial Reporting

We have audited the accompanying consolidated balance sheets of Hancock Holding Company and its subsidiaries as of December 31, 2017 and December 31, 2016, and the related consolidated statements of income and comprehensive income, of changes in stockholders’ equity and of cash flows for each of the three years in the period ended December 31, 2017, 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, 2017, 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, 2017 and December 31, 2016, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2017 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, 2017, based on criteria established in Internal Control - Integrated Framework (2013) issued by the COSO. 

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.

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 Hancock Holding Company'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.

72

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.

/s/ PricewaterhouseCoopers LLP

New Orleans, Louisiana

February 26, 2018

We have served as the Company’s auditor since 2009.

73

Hancock Holding Company and Subsidiaries

Consolidated Balance Sheets

	December 31,
(in thousands, except per share data)	2017		2016
Assets:
Cash and due from banks	$	386,948	$	372,689
Interest-bearing bank deposits		92,157		77,235
Federal funds sold		227		942
Securities available for sale, at fair value (amortized cost of $2,949,057 and $2,562,000)		2,910,869		2,516,908
Securities held to maturity (fair value of $2,962,010 and $2,470,117)		2,977,511		2,500,220
Loans held for sale		39,865		34,064
Loans		19,004,163		16,752,151
Less: allowance for loan losses		(217,308)		(229,418)
Loans, net		18,786,855		16,522,733
Property and equipment, net of accumulated depreciation of $214,998 and $231,127		333,663		361,612
Prepaid expense		28,015		18,038
Other real estate, net		14,862		18,884
Accrued interest receivable		82,191		65,887
Goodwill		745,523		621,193
Other intangible assets, net		90,640		87,757
Life insurance contracts		541,081		480,406
FDIC loss share receivable		—		16,219
Deferred tax asset, net		53,979		104,435
Other assets		251,700		176,080
Total assets	$	27,336,086	$	23,975,302
Liabilities and Stockholders' Equity:
Deposits:
Noninterest-bearing	$	8,307,497	$	7,658,203
Interest-bearing		13,945,705		11,766,063
Total deposits		22,253,202		19,424,266
Short-term borrowings		1,703,890		1,225,406
Long-term debt		305,513		436,280
Accrued interest payable		8,680		9,574
Other liabilities		179,852		160,008
Total liabilities		24,451,137		21,255,534
Stockholders' equity:
Common stock		292,716		291,358
Capital surplus		1,718,117		1,698,253
Retained earnings		1,008,518		850,689
Accumulated other comprehensive loss, net		(134,402)		(120,532)
Total stockholders' equity		2,884,949		2,719,768
Total liabilities and stockholders' equity	$	27,336,086	$	23,975,302
Common shares authorized (par value of 3.33 per share)		350,000		350,000
Common shares issued		87,903		87,495
Common shares outstanding		85,200		84,235

See accompanying notes to consolidated financial statements.

74

Hancock Holding Company and Subsidiaries

Consolidated Statements of Income

	Years Ended December 31,
(in thousands, except per share data)	2017		2016		2015
Interest income:
Loans, including fees	$	772,030	$	625,023	$	583,751
Loans held for sale		851		1,022		678
Securities-taxable		102,013		91,099		90,522
Securities-tax exempt		22,235		13,222		3,447
Short-term investments		3,452		1,801		1,248
Total interest income		900,581		732,167		679,646
Interest expense:
Deposits		76,546		48,934		33,876
Short-term borrowings		15,735		4,065		1,078
Long-term debt		15,988		20,052		19,518
Total interest expense		108,269		73,051		54,472
Net interest income		792,312		659,116		625,174
Provision for loan losses		58,968		110,659		73,038
Net interest income after provision for loan losses		733,344		548,457		552,136
Noninterest income:
Service charges on deposit accounts		83,166		74,187		72,813
Trust fees		44,538		46,589		45,627
Bank card and ATM fees		53,779		47,427		46,480
Investment and annuity fees		20,529		18,477		20,669
Secondary mortgage market operations		15,209		16,282		12,579
Insurance commissions and fees		3,212		4,501		8,567
Amortization of loss share receivable		(2,427)		(5,918)		(5,747)
Other income		49,775		47,482		35,961
Securities transactions		—		1,754		335
Total noninterest income		267,781		250,781		237,284
Noninterest expense:
Compensation expense		320,096		287,783		278,661
Employee benefits		56,568		55,884		54,880
Personnel expense		376,664		343,667		333,541
Net occupancy expense		47,869		41,296		44,842
Equipment expense		14,841		13,663		15,494
Data processing expense		66,385		58,619		55,590
Professional services expense		40,235		29,561		40,198
Amortization of intangibles		22,417		19,781		24,184
Telecommunications and postage		14,686		13,146		14,127
Deposit insurance and regulatory fees		29,627		23,499		16,736
Other real estate (income) expense, net		(2,669)		(3,481)		2,740
Other expense		82,636		72,564		72,203
Total noninterest expense		692,691		612,315		619,655
Income before income taxes		308,434		186,923		169,765
Income taxes		92,802		37,627		38,304
Net income	$	215,632	$	149,296	$	131,461
Earnings per common share - basic	$	2.49	$	1.87	$	1.64
Earnings per common share - diluted	$	2.48	$	1.87	$	1.64
Dividends paid per share	$	0.96	$	0.96	$	0.96
Weighted average shares outstanding-basic		84,695		77,850		78,197
Weighted average shares outstanding-diluted		84,963		77,949		78,307

See accompanying notes to consolidated financial statements.

75

Hancock Holding Company and Subsidiaries

Consolidated Statements of Comprehensive Income

	Years Ended December 31,
(in thousands)	2017		2016		2015
Net income	$	215,632	$	149,296	$	131,461
Other comprehensive income (loss) before income taxes:
Net change in unrealized loss on available for sale securities and hedges		(425)		(57,346)		(21,270)
Reclassification of net losses realized and included in earnings		5,801		4,016		3,010
Valuation adjustment for pension plan amendment		17,315		—		—
Other valuation adjustments of employee benefit plans		(10,929)		(12,748)		(33,971)
Amortization of unrealized net loss on securities transferred to   held to maturity		3,786		3,830		3,530
Other comprehensive income (loss) before income taxes		15,548		(62,248)		(48,701)
Income tax expense (benefit)		4,088		(22,311)		(18,180)
Other comprehensive income (loss) net of income taxes		11,460		(39,937)		(30,521)
Comprehensive income	$	227,092	$	109,359	$	100,940

See accompanying notes to consolidated financial statements.

76

Hancock Holding Company and Subsidiaries

Consolidated Statements of Changes in Stockholders’ Equity

								Accumulated
								Other
(in thousands, except	Common Stock			Capital		Retained		Comprehensive
per share data)	Shares Issued		Amount	Surplus		Earnings		Loss, net		Total
Balance, December 31, 2014	87,480	$	291,307	$	1,507,673	$	723,496	$	(50,074)	$	2,472,402
Net income	—		—		—		131,461		—		131,461
Other comprehensive loss	—		—		—		—		(30,521)		(30,521)
Comprehensive Income	—		—		—		131,461		(30,521)		100,940
Cash dividends declared    ($0.96 per common share)	—		—		—		(77,013)		—		(77,013)
Common stock activity,   long-term incentive plan	11		39		12,388		—		—		12,427
Purchase of common stock under  stock buyback program (3,305  shares)	—		—		(95,613)		—		—		(95,613)
Balance, December 31, 2015	87,491	$	291,346	$	1,424,448	$	777,944	$	(80,595)	$	2,413,143
Net income	—		—		—		149,296		—		149,296
Other comprehensive loss	—		—		—		—		(39,937)		(39,937)
Comprehensive Income	—		—		—		149,296		(39,937)		109,359
Cash dividends declared   ($0.96 per common share)	—		—		—		(76,551)		—		(76,551)
Common stock activity,   long-term incentive plan	4		12		12,991		—		—		13,003
Issuance of stock from dividend   reinvestment and stock purchase   plan	—		—		1,515		—		—		1,515
Common stock issued in public  stock offering (6,325 shares)	—		—		259,299		—		—		259,299
Balance, December 31, 2016	87,495	$	291,358	$	1,698,253	$	850,689	$	(120,532)	$	2,719,768
Net income	—		—		—		215,632		—		215,632
Other comprehensive income	—		—		—		—		11,460		11,460
Comprehensive Income	—		—		—		215,632		11,460		227,092
Reclassification of certain tax  effects from accumulated other  comprehensive loss	—		—		—		25,330		(25,330)		—
Cash dividends declared   ($0.96 per common share)	—		—		—		(83,266)		—		(83,266)
Common stock activity,   long-term incentive plan	408		1,358		16,644		133		—		18,135
Issuance of stock from dividend  reinvestment and stock purchase  plan	—		—		3,220		—		—		3,220
Balance, December 31, 2017	87,903	$	292,716	$	1,718,117	$	1,008,518	$	(134,402)	$	2,884,949

See accompanying notes to consolidated financial statements.

77

Hancock Holding Company and Subsidiaries

Consolidated Statements of Cash Flows

	Years Ended December 31,
(in thousands)	2017		2016		2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$	215,632	$	149,296	$	131,461
Adjustments to reconcile net income to net
cash provided by operating activities:
Depreciation and amortization		28,142		28,363		28,763
Provision for loan losses		58,968		110,659		73,038
(Gain) loss on other real estate owned		(2,839)		(4,444)		635
Deferred tax (benefit) expense		49,831		(7,839)		16,685
Increase in cash surrender value of life insurance contracts		(14,959)		(11,112)		(9,789)
Gain on the sale of loans		(3,363)		(4,414)		—
(Gain) loss on disposal of other assets		1,587		(5,180)		1,815
Net (increase) decrease in loans held for sale		3,317		(14,267)		(289)
Net amortization of securities premium/discount		33,244		29,048		21,105
Amortization of intangible assets		22,417		19,781		24,184
Amortization of FDIC loss share receivable		2,427		5,918		5,747
Stock-based compensation expense		17,633		14,266		12,944
Increase (decrease) in interest payable and other liabilities		2,307		10,315		(4,722)
Net payments (to) from FDIC for loss share claims		2,299		(3,134)		14,051
Decrease in FDIC loss share receivable		8,613		5,667		6,407
(Increase) decrease in other assets		(9,836)		15,197		(94,816)
Other, net		(4,335)		5,795		8,511
Net cash provided by operating activities		411,085		343,915		235,730

78

Hancock Holding Company and Subsidiaries

Consolidated Statements of Cash Flows—(Continued)

	Years Ended December 31,
(in thousands)	2017		2016		2015
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from sales of securities available for sale	$	213,877	$	173,215	$	9,289
Proceeds from maturities of securities available for sale		338,843		408,311		842,114
Purchases of securities available for sale		(742,279)		(1,071,869)		(1,323,853)
Proceeds from maturities of securities held to maturity		373,088		425,453		538,777
Purchases of securities held to maturity		(863,457)		(563,661)		(749,102)
Net (increase) decrease in short-term investments		351,087		487,378		237,393
Proceeds from sale of loans		59,483		177,645		3,533
Net increase in loans		(1,051,628)		(1,331,125)		(1,868,548)
Purchase of life insurance contracts		(50,000)		(40,000)		—
Purchases of property and equipment		(20,297)		(19,272)		(23,804)
Proceeds from sales of property and equipment		1,853		7,445		14,259
Proceeds from sales of other real estate		24,324		24,624		47,115
Cash received in excess of cash paid for acquisitions		476,609		—		—
Other, net		(6,824)		825		(3,604)
Net cash used in investing activities		(895,321)		(1,321,031)		(2,276,431)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net increase in deposits		900,427		1,075,370		1,776,081
Net increase (decrease) in short-term borrowings		(118,151)		(198,238)		272,071
Repayments of long-term debt		(204,111)		(21,271)		(157,933)
Issuance of long-term debt		165		6,838		273,565
Dividends paid		(83,266)		(76,551)		(77,013)
Payroll tax remitted on net share settlement of equity awards		(11,881)		(3,178)		(3,385)
Repurchase of common stock		—		—		(95,613)
Proceeds from exercise of stock options		12,092		2,147		347
Proceeds from issuance of common stock in public offering		—		259,299		—
Proceeds from dividend reinvestment and stock purchase plan		3,220		1,515		—
Net cash provided by financing activities		498,495		1,045,931		1,988,120
NET INCREASE (DECREASE) IN CASH AND DUE FROM BANKS		14,259		68,815		(52,581)
CASH AND DUE FROM BANKS, BEGINNING		372,689		303,874		356,455
CASH AND DUE FROM BANKS, ENDING	$	386,948	$	372,689	$	303,874
SUPPLEMENTAL INFORMATION
Income taxes paid	$	45,092	$	30,184	$	31,896
Interest paid		108,702		69,624		51,201
SUPPLEMENTAL INFORMATION FOR NON-CASH
INVESTING AND FINANCING ACTIVITIES
Assets acquired in settlement of loans	$	19,140	$	16,314	$	15,462

See accompanying notes to consolidated financial statements.

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Note 1. Summary of Significant Accounting Policies and Recent Accounting Pronouncements

DESCRIPTION OF BUSINESS

Hancock Holding Company (Hancock or the Company) is a financial services company that provides a comprehensive network of full-service financial choices to the Gulf South region through its bank subsidiary, Whitney Bank (Whitney or the Bank), a Mississippi state bank. Whitney Bank operates under brands: “Hancock Bank” in Mississippi, Alabama and Florida and “Whitney Bank” in Louisiana and Texas. Whitney Bank operates a loan production office in Nashville, Tennessee under both the Hancock and Whitney Bank brands. Hancock was organized in 1984 as a bank holding company registered under the Bank Holding Company Act of 1956, as amended. In 2002, the Company qualified as a financial holding company, giving it broader powers. The corporate headquarters of the Company is in Gulfport, Mississippi.

The Bank offers a broad range of traditional and online community banking services to commercial, small business and retail customers, providing a variety of transaction and savings deposit products, treasury management services, investment brokerage services, secured and unsecured loan products, (including revolving credit facilities), and letters of credit and similar financial guarantees. The Bank also provides trust and investment management services to retirement plans, corporations and individuals.

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

The consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the U.S. (U.S. GAAP) and those generally practiced within the banking industry. Following is a summary of the more significant accounting policies.

Basis of Presentation

The consolidated financial statements include the accounts of the Company and all other entities in which the Company has a controlling interest. Significant intercompany transactions and balances have been eliminated in consolidation. Certain prior period amounts have been reclassified to conform to the current period presentation.  

Use of Estimates

The accounting principles the Company follows and the methods for applying these principles conform to U.S. GAAP and general practices followed by the banking industry. These accounting principles and practices require management to make estimates and assumptions about future events that affect the amounts reported in the consolidated financial statements and the accompanying notes. Actual results could differ from those estimates.

Fair Value Accounting

U.S. GAAP requires the use of fair values in determining the carrying values of certain assets and liabilities in the financial statements, as well as for specific disclosures about certain assets and liabilities.

Accounting guidance establishes a fair value hierarchy that prioritizes the inputs to these valuation techniques used to measure fair value giving preference to quoted prices in active markets (level 1) and the lowest priority to unobservable inputs such as a reporting entity’s own data or information or assumptions developed from this data (level 3). Level 2 inputs include quoted prices for similar assets or liabilities in active markets, quoted prices for identical assets or liabilities in markets that are not active, observable inputs other than quoted prices, such as interest rates and yield curves, and inputs that are derived principally from or corroborated by observable market data by correlation or other means.

Business Combinations

Business combinations are accounted for under the purchase method of accounting. Purchased assets, including identifiable intangibles, and assumed liabilities are recorded at their respective acquisition date fair values. If the fair value of net assets purchased exceeds the consideration given, a bargain purchase gain is recognized. If the consideration given exceeds the fair value of the net assets received or if the fair value of the net liabilities assumed exceeds the consideration received, goodwill is recognized. Fair values are subject to refinement for up to one year after the closing date of an acquisition as information relative to closing date fair values becomes available. Purchased loans acquired in a business combination are recorded at estimated fair value on their purchase date with no carryover of the related allowance for loan losses.

All identifiable intangible assets that are acquired in a business combination are recognized at the acquisition date fair value. 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).

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Cash and Due from Banks

The Company considers only cash on hand, cash items in process of collection and balances due from financial institutions as cash and cash equivalents.

Securities

Securities are classified as trading, held to maturity or available for sale. Management determines the appropriate classification of debt and equity securities at the time of purchase and reevaluates this classification periodically as conditions change that could require reclassification.

Available for sale securities are stated at fair value. Unrealized holding gains and unrealized holding losses, other than those determined to be other than temporary, are reported net of tax in other comprehensive income and in accumulated other comprehensive income (“AOCI”) until realized.

Securities that the Company both positively intends and has the ability to hold to maturity are classified as securities held to maturity and are carried at amortized cost. The intent and ability to hold are not considered satisfied when a security is available to be sold in response to changes in interest rates, prepayment rates, liquidity needs or other reasons as part of an overall asset/liability management strategy.

Premiums and discounts on securities, both those held to maturity and those available for sale, are amortized and accreted to income as an adjustment to the securities’ yields using the effective interest method. Realized gains and losses on securities, including declines in value judged to be other than temporary, are reported net as a component of noninterest income. The cost of securities sold is specifically identified for use in calculating realized gains and losses.

Loans

Loans held for investment

Loans that the Company has the intent and ability to hold for the foreseeable future or until maturity or payoff are considered loans held for investment and reported as “Loans” in the Consolidated Balance Sheets and in the related footnote disclosures.  Loans held for investment include loans originated for investment and loans acquired in purchase transactions.

Originated loans are reported at the principal balance outstanding net of unearned income.  Interest on loans and accretion of unearned income, including net deferred loan fees and costs, are computed in a manner that approximates a level yield on recorded principal. Interest on loans is recognized in income as earned.

The accrual of interest on an originated loan is discontinued when, in management’s opinion, it is probable that the borrower will be unable to meet payment obligations as they become due, as well as when required by regulatory provisions. When accrual of interest is discontinued on a loan, all unpaid accrued interest is reversed and payments subsequently received are applied first to recover principal. Interest income is recognized for payments received after contractual principal has been satisfied. Loans are returned to accrual status when all the principal and interest contractually due are brought current and future payment performance is reasonably assured. 

Loans that are acquired in purchase transactions are recorded at estimated fair value at the acquisition date with no carryover of the related allowance for loan losses.  Acquired loans are segregated between those considered to be performing (“purchased credit performing”) and those with evidence of credit deterioration (“purchased credit impaired”) based on such factors as past due status, nonaccrual status and credit risk ratings (rated substandard or worse).  Purchased credit performing loans are accounted for under Accounting Standards Codification (ASC) 310-20 and purchased credit impaired loans are accounted for under ASC 310-30. Purchased credit impaired loans for which the timing and amount of future cash flows cannot be reasonably projected are accounted for using the cost recovery method.

With the exception of those accounted for using the cost recovery method, the acquired loans are further segregated into loan pools designed to facilitate the development of expected cash flows to be used in estimating fair value.  The pools are based on common risk characteristics such as market area, loan type, credit risk ratings, contractual interest rate, and repayment terms.  Loan types can include commercial and industrial loans not secured by real estate, construction and land development loans, commercial real estate loans, residential mortgage loans, and consumer loans, with further segregation within certain loan types as needed.  Expected cash flows, both principal and interest, from each pool are estimated based on key assumptions covering such factors as prepayments, default rates, and severity of loss given a default.  These assumptions are developed using both historical experience and the portfolio

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characteristics at acquisition as well as available market research.  The fair value estimate for each pool is based on the estimate of expected cash flows from the pool discounted at prevailing market rates.

The difference at the acquisition date between the fair value and the contractual amounts due for each purchased credit performing loan pool (the “fair value discount”) is accreted into income over the estimated life of the pool.  Purchased credit performing loans are placed on nonaccrual status and reported as nonperforming or past due using the same criteria applied to the originated portfolio. 

The excess of estimated cash flows expected to be collected from each purchased credit impaired loan pool over the pool’s carrying value is referred to as the accretable yield and is recognized in interest income using an effective yield method over the expected life of the pool.  Each pool of purchased credit impaired loans is accounted for as a single asset with a single composite interest rate and an aggregate expectation of cash flows.  Purchased credit impaired loans in pools with an accretable yield and expected cash flows that are reasonably estimable are considered to be accruing and performing even though collection of contractual payments on loans within the pool may be in doubt.  Purchased credit impaired loans accounted for in pools are generally not subject to individual evaluation for impairment and are not reported with impaired loans or troubled debt restructurings even if they would otherwise qualify for such treatment.

Loans Held for Sale

Residential mortgage loans originated for sale are classified as loans held for sale and carried at the lower of cost or market. Forward sales commitments on a best-efforts basis are entered into with third parties concurrently with rate lock commitments made to prospective borrowers. At times, management may decide to sell loans that were not originated for that purpose. Those loans are reclassified as held for sale when that decision is made and also carried at the lower of cost or market.

Impaired Loans

The Company considers a loan to be impaired when, based upon current information and events, it believes it is probable all amounts due according to the contractual terms of the loans agreement will not be collected.  A loan is not considered impaired due to a delay in payment if all amounts due, including interest accrued at the contractual interest rate of the period of delay, is expected to be collected.  Impaired loans include loans on nonaccrual, certain purchased credit impaired loans accounted for using the cost recovery method, and troubled debt restructurings (defined below), both performing and nonperforming.  Purchased credit impaired loans accounted for in pools with an accretable yield are considered performing and excluded from impaired loans as this accounting methodology takes into consideration expected future credit losses.

Troubled Debt Restructurings

Troubled debt restructurings (TDRs) occur when a borrower is experiencing, or is expected to experience, financial difficulties in the near-term and a modification in loan terms is granted that would otherwise not have been considered.

Troubled debt restructurings can result in loans remaining on nonaccrual, moving to nonaccrual, or continuing to accrue, depending on the individual facts and circumstances of the borrower. All loans whose terms have been modified in a TDR, including both commercial and retail loans, are initially considered “impaired.” When measuring impairment on a TDR, the loan’s value is determined by either the present value of expected cash flows calculated using the loan’s effective interest rate before the restructuring, or the loan’s observable market price or the fair value of the collateral if the loan is collateral dependent. If the value as determined is less than the recorded investment in the loan, the difference is charged off through the allowance for loan and lease losses. Modified acquired-impaired loans are not removed from their accounting pool and accounted for as a TDR even if those loans would otherwise be deemed TDRs.

Allowance for Loan and Lease Losses

The Allowance for Loan and Lease Losses (ALLL) is a valuation account available to absorb losses on loans. The ALLL is established and maintained at an amount sufficient to cover estimated credit losses inherent in the loan and lease portfolios of the Company as of the date of the determination. Credit losses arise not only from credit risk, but also from other risks inherent in the lending process including, but not limited to, collateral risk, operational risk, concentration risk, and economic risk. As such, all related risks of lending are considered when assessing the adequacy of the allowance for loan and lease losses. Quarterly, management estimates inherent losses in the portfolio based on a number of factors, including the Company’s past loan loss and delinquency experience, known and inherent risks in the portfolio, adverse situations that may affect the borrowers’ ability to repay, the estimated value of any underlying collateral and current economic conditions.

The analysis and methodology for estimating the ALLL include two primary elements: A loss rate analysis, which incorporates a historical loss rate as updated for current conditions, is used for loans collectively evaluated for impairment; and a specific reserve analysis is used for loans individually evaluated for impairment. For the loss rate analysis, the Company segments loans into

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commercial non-real estate, commercial real estate – owner occupied, commercial real estate – income producing, construction and land development, residential mortgage and consumer, with further segmentation as deemed appropriate. Both quantitative and qualitative factors are applied at the detailed portfolio segments. Commercial loans (commercial non-real estate, commercial real estate – owner occupied, commercial real estate – income producing and construction and land development), are further subdivided by risk rating, while retail loans (residential mortgage and consumer) are further subdivided by delinquency. The Company uses loss emergence periods developed based on historical experience, which is currently 24 months for commercial loans and twelve to eighteenmonths for retail and residential mortgage loans. Historical loss rates are calculated using a weighted average of the most recent three loss emergence periods. As circumstances dictate, management will make adjustments to the overall loss rate to reflect differences in current conditions as compared to those during the historical loss period. Conditions to be considered include problem loan trends, current business and economic conditions, credit concentrations, lending policies and procedures, lending staff, collateral values, loan profiles and volumes, loan review quality, and changes in competition and regulations.

When a loan is determined to be impaired, the amount of impairment is recognized by creating a specific allowance for any shortfall between the loan’s value and its recorded investment. The loan’s value is measured by either the loan’s observable market price, the fair value of the collateral of the loan (less liquidation costs) if it is collateral dependent, or by the present value of expected future cash flows discounted at the loan’s effective interest rate. Loans individually analyzed for impairment are not incorporated into the pool analysis to avoid double counting. The Company limits the specific reserve analysis to include all impaired commercial and residential mortgage loans with relationship balances of $1 million or greater and all loans classified as troubled debt restructurings.

The monitoring of credit risk also extends to unfunded credit commitments, such as unused commercial credit lines and letters of credit, and management establishes reserves as needed for its estimate of probable losses on such commitments.

It is the policy of the Company to promptly charge off all commercial and residential mortgage loans, or portions of loans, when available information reasonably confirms that they are wholly or partially uncollectible. Prior to recognizing a loss, asset value is established based on an assessment of the value of the collateral securing the loan, the borrower’s and the guarantor’s ability and willingness to pay and the status of the account in bankruptcy court, if applicable. Consumer loans are generally charged down when the loan is 90 days past due for unsecured loans or 120 days past due for secured loans, unless the loan is clearly both well secured and in the process of collection. Loans are charged down to the fair value of the collateral, if any, less estimated selling costs. Loans are charged off against the allowance for loan losses with subsequent recoveries added back to the allowance.

Allowance for purchased credit performing loans is evaluated at each reporting date subsequent to acquisition.  An allowance is determined for each loan pool using a methodology similar to that described above for originated loans and then compared to the remaining fair value discount for that pool.  If the allowance is greater than the discount, the excess is recognized as an addition to the allowance through a provision for loan losses.  If the allowance is less than the discount, no additional allowance is recognized.

For purchased credit impaired loans accounted for in pools, estimated cash flows expected to be collected are recast at each reporting date for each loan pool. These evaluations require the continued use and updating of key assumptions and estimates such as default rates, loss severity given default and prepayment speed assumptions, similar to those used for the initial fair value estimate.  Management’s judgment must be applied in developing these assumptions.  If the present value of expected cash flows for a pool is less than its carrying value, impairment is recognized by an increase in the allowance for loan losses and a charge to the provision for loan losses. If the present value of expected cash flows for a pool is greater than its carrying value, any previously established allowance for loan losses is reversed and any remaining difference increases the accretable yield which will be taken into interest income over the remaining life of the loan pool. 

Property and Equipment

Property and equipment are recorded at cost, less accumulated depreciation and amortization. Depreciation is charged to expense using the straight-line method over the estimated useful lives of the assets, which are up to 30 years for buildings and three to ten years for most furniture and equipment. Amortization expense for software is generally charged over three years, or seven years for core systems. Leasehold improvements are amortized over the terms of the respective leases or the estimated useful lives of the improvements, whichever is shorter. The Company evaluates whether events and circumstances have occurred that indicate that such long-lived assets have been impaired. Measurement of any impairment of such long-lived assets is based on their fair values.

Property and equipment used in operations is considered held for sale when certain criteria are met, including when management has committed to a plan to sell the asset, the asset is available for sale in its immediate condition, and the sale is probable within one year of the reporting date. Assets held for sale are reported at the lower of cost or fair value less costs to sell.Gains and losses related to retirement or disposition of property and equipment are recorded in other income under noninterest income on the consolidated statements of income as realized.  

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Other Real Estate

Other real estate owned includes real property that has been acquired in satisfaction of loans and property no longer used in the Bank’s business. These assets are recorded at the estimated fair value less the estimated cost of disposition and carried at the lower of either cost or market. Fair value is based on independent appraisals and other relevant factors. Any initial reduction in the carrying amount of a loan to the fair value of the collateral received less selling costs is charged to the allowance for loan losses. Other real estate is revalued on an annual basis or more often if market conditions necessitate. Subsequent losses on the periodic revaluation of the property are charged to current earnings, as are revenues from and costs of operating and maintaining the properties and gains or losses recognized on their disposition. Improvements made to properties are capitalized if the expenditures are expected to be recovered upon the sale of the properties.

Goodwill and Other Intangible Assets

Goodwill represents the excess of consideration paid over the fair value of net assets acquired or the excess of the fair value liabilities assumed over consideration received in a business combination.  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.  The impairment test compares the estimated fair value of a reporting unit with its net book value.  The Company has assigned all goodwill to one reporting unit that represents overall banking operations. The fair value of the reporting unit is based on valuation techniques that market participants would use in an acquisition of the whole unit, such as estimated discounted cash flows, the quoted market price of  the Company’s stock, adjusted for a control premium, and observable average price-to-earnings and price-to-book multiples of competitors.  If the unit’s fair value is less than its carrying value, an estimate of the implied fair value of the goodwill is compared to the goodwill’s carrying value, and any impairment recognized.

Other identifiable intangible assets with finite lives, such as core deposit intangibles and trade name, are initially recorded at fair value and are generally amortized over the periods benefited. These assets are evaluated for impairment similar to long-lived assets.

Life Insurance Contracts

Bank-owned life insurance contracts (BOLI) are comprised of long-term life insurance contracts on the lives of certain current and past employees where the insurance policy benefits and ownership are retained by the employer. Its cash surrender value is an asset that the Company uses to partially offset the future cost of employee benefits. The cash value accumulation on BOLI is permanently tax deferred if the policy is held to the insured person’s death and certain other conditions are met.

FDIC Loss Share Receivable

Loans purchased in the 2009 acquisition of Peoples First Community Bank (Peoples First) were covered by two loss share agreements between the FDIC and the Company. The loss share receivable was measured separately from the related covered loans as it was not contractually embedded in the loans and was not transferrable should the loans be sold.  The fair value of the loss share receivable at acquisition was estimated by discounting expected reimbursements for losses from the loans covered by the loss share agreements, including appropriate consideration of possible true-up payments to the FDIC at the expiration of the agreements.

Prior to termination of the agreements in July 2017, the loss share receivable was reviewed and updated prospectively as loss estimates related to covered loan pools changed. Increases in expected reimbursements under the loss sharing agreement led to an increase in the loss share receivable. A decrease in expected reimbursements was reflected first as a reversal of any previously recorded increase in the loss share receivable on the covered loan pool with the remainder reflected as a reduction in the loss share receivable’s accretion rate. Increases and decreases in the loss share receivable related to changes in loss estimates resulted in reductions in or additions to the provision for loan losses, which serves to offset the impact on the provision from impairments or impairment reversals recognized on the underlying covered loan pool. The excess (or shortfall) of expected claims as compared to the carrying value of the loss share receivable was accreted (amortized) into noninterest income over the shorter of the remaining life of the covered loan pool or the life of the loss share agreement. The impact on operations of a reduction in the loss share receivable’s accretion rate was associated with an increase in the accretable yield on the underlying loan pool. The loss share receivable was reduced as cash was received from the FDIC related to losses incurred on covered assets.

Derivative Instruments and Hedging Activities

The Company records all derivatives on the balance sheet at fair value as components of other assets and other liabilities. Effective January 3, 2017, the Company’s central clearing counterparty amended its rulebook to legally characterize variation margin accounts as settlements, rather than being reflected separately as collateral.  As a result of the change, the Company began prospectively reflecting derivative assets and liabilities net of the central clearing counterparty derivative margin account.The accounting for changes in the fair value of derivatives depends on the intended use of the derivative, whether the Company has elected to designate a derivative in a hedging relationship and apply hedge accounting and whether the hedging relationship has satisfied the criteria

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necessary to apply hedge accounting. Derivatives designated and qualifying as a hedge of the exposure to changes in the fair value of an asset, liability, or firm commitment attributable to a particular risk, such as interest rate risk, are considered fair value hedges. Derivatives designated and qualifying as a hedge of the exposure to variability in expected future cash flows, or other types of forecasted transactions, are considered cash flow hedges. Hedge accounting generally provides for the matching of the timing of gain or loss recognition on the hedging instrument with the recognition of the changes in the fair value of the hedged asset or liability that are attributable to the hedged risk in a fair value hedge or the earnings effect of the hedged forecasted transactions in a cash flow hedge.

For derivatives designated as hedging the exposure to changes in the fair value of an asset or liability (fair value hedge), the gain or loss is recognized in earnings in the period of the fair value change together with the offsetting loss or gain on the hedged item attributable to the risk being hedged. Earnings will be affected to the extent to which the hedge is not effective in achieving offsetting changes in fair value. For derivatives designated as hedging exposure to variable cash flows of a forecasted transaction (cash flow hedge), the effective portion of the derivative’s gain or loss is initially reported as a component of other comprehensive income and subsequently reclassified into earnings when the forecasted transaction affects earnings or in certain circumstances, when the hedge is terminated. The ineffective portion of the gain or loss is reported in earnings immediately. For derivatives that are not designated as hedging instruments, changes in the fair value of the derivatives are recognized in earnings immediately.

In applying hedge accounting for derivatives, the Company establishes a method for assessing the effectiveness of the hedging derivative and a measurement approach for determining the ineffective aspect of the hedge upon the inception of the hedge. These methods are consistent with the Company’s approach to managing risk.

Note 10 - Derivatives describes the derivative instruments currently used by the Company and discloses how these derivatives impact the Company’s financial position and results of operations.

Stockholders’ Equity

Common stock reflects shares issued at par value.  Repurchase of the Company’s common stock (treasury stock) is recorded at cost as a reduction of stockholders’ equity within capital surplus in the accompanying Consolidated Balance Sheets and the Statements of Changes in Stockholders’ Equity.  When treasury shares are subsequently reissued, treasury stock is reduced by the cost of such stock using the first-in-first-out method, with the difference recorded in capital surplus or retained earnings, as applicable.

Income Taxes

Income taxes are accounted for using the asset and liability method. Current tax liabilities or assets are recognized for the estimated income taxes payable or refundable on tax returns to be filed with respect to the current year. Deferred tax assets and liabilities are based on temporary differences between the financial statement carrying amounts and the tax bases of the Company’s assets and liabilities. Deferred tax assets and liabilities are measured using the enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be realized or settled. Valuation allowances are established against deferred tax assets if, based on all available evidence, it is more likely than not that some or all of the assets will not be realized. The benefit of a position taken or expected to be taken in a tax return is recognized when it is more likely than not that the position will be sustained on its technical merits. The effects of changes in tax rates and laws upon deferred tax balances are recognized in the period in which the legislation is enacted.

The Company makes investments that generate investment tax credits (ITC).  The Company uses the deferral method of accounting which results in the investment tax credits being recognized as a reduction of the related asset.

The Company also invests in projects that yield tax credits issued under the Qualified Zone Academy Bonds (QZAB), Qualified School Construction Bonds (QSCB), Federal and State New Market Tax Credit (NMTC), and Low-Income Housing Tax Credit (LIHTC) programs. Returns on these investments are generated through the receipt of federal and state tax credits. The tax credits are recorded as a reduction to the income tax provision in the year that they are earned. Tax credits from QZAB and QSCB bonds are generally earned over the life of the bonds in lieu of interest income. Credits on Federal NMTC investments are earned over the 7 year compliance period beginning with the year of investment. Credits on State NMTC investments are generally earned over a 3 to 5 year period depending upon the specific state program. Tax credits are earned over a 10 year period for Low-Income Housing investments beginning with the year in which rental activity begins. These tax credits, if not used in the tax return for the year when the credits are first available for use, can be carried forward for 20 years. For those investments where the return of the principal is not expected, the equity investment is amortized over the life of the tax compliance period as a component of noninterest expense.

Retirement Benefits

The Company sponsors defined benefit pension plans and certain other defined benefit postretirement plans for eligible employees. The amounts reported in the consolidated financial statements with respect to these plans are based on actuarial valuations that

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incorporate various assumptions regarding future experience under the plans. Note 16 – Retirement Benefit Plans discusses the actuarial assumptions and provides information about the liabilities or assets recognized for the funded status of the Company’s obligations under these plans, the net benefit expense charged to current operations, and the amounts recognized as a component of other comprehensive income and AOCI.

Share-Based Payment Arrangements

The grant date fair value of equity instruments awarded to employees and directors establishes the cost of the services received in exchange, and the cost associated with awards that are expected to vest is recognized over the requisite service period.  Share-based compensation for service-based awards that contain a graded vesting schedule is recognized over on a straight-line basis over the requisite service period for the entire award. Forfeitures of unvested awards are recognized in earnings in the period in which they occur. Refer to Note 17 – Share-Based Payment Arrangements for additional information.

Revenue Recognition

The largest source of revenue for the Company is interest revenue. Interest revenue is recognized on an accrual basis driven by written contracts, such as loan agreements or securities contracts. Loan origination fees are recognized over the life of the loan as an adjustment to yield. Other credit-related fees, including letter of credit fees, are recognized in noninterest income when earned. The Company recognizes commission revenue and brokerage, exchange and clearance fees on a trade-date basis. Other types of noninterest revenue such as service charges on deposits and trust revenues are accrued and recognized into income as services are provided and the amount of fees earned can be reasonably determined.

Earnings Per Share

The Company calculates earnings per share using the two-class method. The two-class method allocates net income to each class of common stock and participating security according to the common dividends declared and participation rights in undistributed earnings. Participating securities currently consist of unvested share-based payment awards that contain nonforfeitable rights to dividends or dividend equivalents.

Basic earnings per common share is computed by dividing income applicable to common shareholders by the weighted-average number of common shares outstanding for the applicable period. Shares outstanding exclude treasury shares and unvested share-based payment awards under long-term incentive compensation plans and directors’ compensation plans. Diluted earnings per common share is computed using the weighted-average number of common shares outstanding increased by the number of shares in which employees would vest under performance-based stock awards and stock unit awards based on expected performance factors and by the number of additional shares that would have been issued if potentially dilutive stock options were exercised, each as determined using the treasury stock method.

Reportable Segment Disclosures

Accounting standards require that information be reported about a company’s operating segments using a “management approach.” Reportable segments are identified in these standards as those revenue-producing components for which discrete financial information is produced internally and which are subject to evaluation by the chief operating decision maker in deciding how to allocate resources to segments. The Company has one state bank charter and its stated strategy is focused on providing a consistent package of community banking products and services throughout a coherent market area; as such, the Company has identified its overall banking operations as its only reportable segment. Because the overall banking operations comprise substantially all of the Company’s consolidated operations, no separate segment disclosures are presented.

Other

Assets held by the Bank in a fiduciary capacity are not assets of the Bank and are not included in the Consolidated Balance Sheets.

RECENT ACCOUNTING PRONOUNCEMENTS

Accounting Standards Adopted in 2017

In February 2018, the FASB issued Accounting Standards Update (“ASU”) 2018-02, “Income Statement – Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income.” The ASU allows reclassification from accumulated other comprehensive income/loss to retained earnings for stranded tax effects resulting from the newly enacted federal corporate tax rate. The amendments in this updateare effective for all entities for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption of the amendments is permitted, including adoption in any interim period, for public business entities for reporting periods for which financial statements have not yet been issued.  The amendments in this

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update should be applied retrospectively to each period (or periods) in which the effect of the change in the U.S. federal corporate income tax rate in the Tax Cuts and Jobs Act of 2017 is recognized. The Company early adopted this guidance retrospectively, which resulted in a reclassification of $25.3 million from Accumulated Other Comprehensive Loss, Net to Retained Earnings reflected in the Company’s consolidated balance sheet as of December 31, 2017.  Refer to Note 13 – Income Taxes for more information of the provisions of the Tax Cuts and Jobs Act and its impact to the Company’s financial condition and results of operations.

In March 2017, the FASB issued ASU 2017-08, “Receivables – Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities,” which amends the amortization period for certain purchased callable debt securities held at a premium.  The amendments require the premium to be amortized to the earliest call date.  The amendments do not, however, require an accounting change for securities held at a discount; instead, the discount continues to be amortized to maturity.  The amendments in this ASU more closely align the amortization period of premiums and discounts to expectations incorporated in market pricing on the underlying securities.  These amendments are effective for fiscal years, and for interim periods within those fiscal years, beginning after December 15, 2018.  The Company early adopted this amendment in the second quarter of 2017 and, in accordance with the standards, the Company began amortizing the premium for certain purchased callable debt securities to the earliest call date.  The adoption of this guidance did not have a material impact on the Company’s financial condition or results of operations.

In March 2016, the FASB issued ASU 2016-09, “Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting,” to improve the accounting for employee share-based payments. Several aspects of the accounting for share-based payment award transactions are simplified, including income tax consequences; classification of awards as either equity or liabilities; and classification on the statement of cash flows.  The amendments were effective for public business entities for annual periods beginning after December 15, 2016, and interim periods within those annual periods.  The Company adopted the guidance effective January 1, 2017.  In accordance with the standard, the Company elected to account for forfeitures of stock-based compensation as they occur and began reclassifying dividends paid on forfeited shares to compensation expense from retained earnings.  Classification of shares forfeited for taxes are now reflected in the statement of cash flows as a financing rather than operating activity, with all historical periods restated.  In addition, the Company began recognizing excess tax benefits and tax deficiencies during the period in income (rather than in equity) on a prospective basis.  Adoption of this guidance did not have a material impact on the Company’s financial condition or results of operations; however, the prospective change in treatment of excess tax benefits resulted in a reduction of income tax expense of approximately $5.8 million for the year ended December 31, 2017, and could result in volatility of future earnings, depending on changes in the Company’s stock price.

Accounting Standards Issued but Not Yet Adopted at December 31, 2017

In August 2017, the FASB issued ASU 2017-12, “Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities,” with the objective of improving financial reporting of hedging relationships to better portray the economic results of an entity’s risk management activities in its financial statements. The update provides changes to both the designation and measurement guidance for qualifying hedging relationships and the presentation of hedge results. The amendments in this update are effective for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early application is permitted in any interim period after issuance of the update. All transition requirements and elections are to be applied to hedging relationships existing on the date of adoption, and the effect of the adoption should be reflected as of the beginning of the fiscal year of adoption.  The Company expects to early adopt this guidance in 2018, using a modified retrospective transition. Adoption of this guidance will not have a material impact upon the Company’s financial condition or results of operations.

In March 2017, the FASB issued ASU 2017-07, “Compensation – Retirement Benefits (Topic 715):  Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Costs,” to improve the presentation of net periodic pension cost and net periodic postretirement benefit cost.  The amendments require that an employer report the service cost component in the same line item or items as other compensation costs arising from services rendered by the pertinent employees during the period.  The other components of net benefit cost are required to be presented in the income statement separately from the service cost component and outside a subtotal of income from operations, if one is presented.  The amendments also allow only the service cost component to be eligible for capitalization when applicable.  These amendments are effective for public business entities for annual periods beginning after December 15, 2017, including interim periods within those annual periods.  Disclosures of the nature of and reason for the change in accounting principle are required in the first interim and annual periods of adoption.  The amendments should be applied retrospectively for the presentation of the service cost component and the other components of net periodic pension cost and net periodic postretirement benefit cost in the income statement and prospectively, on and after the effective date, for the capitalization of the service cost component of net periodic pension cost and net periodic postretirement benefit in assets. Refer to Note 15 – Retirement Benefit Plans – for detail on the components of net periodic pension and post-retirement benefit costs.   Application of this guidance applies only to presentation and will not have a material impact on the Company’s financial condition or results of operations.

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In June 2016, the FASB issued ASU 2016-13, “Financial Instruments – Credits Losses (Topic 326): Measurement of Credit Losses on Financial Instruments,” to improve financial reporting by requiring timelier recording of credit losses on loans and other financial instruments held by financial institutions and other organizations.  The ASU, more commonly referred to as Current Expected Credit Losses, or CECL, requires the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts.  Financial institutions and other organizations will now use forward-looking information to better inform their credit loss estimates.  Many of the loss estimation techniques currently applied will still be permitted, although the inputs to those techniques will change to reflect the full amount of expected credit losses.  Organizations will continue to use judgment to determine which loss estimation method is appropriate for their circumstances.  In addition, the ASU amends the accounting for credit losses on debt securities and purchased financial assets with credit deterioration.  The ASU is effective for SEC filers for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019, with a cumulative-effect adjustment to retained earnings as of the beginning of the year of adoption.  Early application is permitted for all organizations for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018.  The Company is not planning to early adopt this guidance. The Company has engaged a third party to assist in the development of a project roadmap and has formed a cross-functional working group comprised of individuals from various areas including credit, finance, risk management, and information technology. The Company expects the guidance will result in an increase in the allowance for loan losses given the change from covering losses inherent in the portfolio to covering losses over the remaining expected life of the portfolio and the nonaccretable difference on purchased credit impaired loans moving to an allowance (offset by an increase in the carrying value of the related loans). The guidance will also result in the establishment of an allowance for credit loss on held to maturity debt securities.  The amount of the increase in these allowances will be impacted by the portfolio composition and quality at the adoption date as well as economic conditions and forecasts at that time.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842),” that provides new lease accounting guidance.  Under the guidance, lessees (with the exception of short-term leases) will be required to recognize a lease liability, which is a lessee’s obligation to make lease payments arising from a lease, measured on a discounted basis; and a right-of-use asset, which is an asset that represents the lessee’s right to use, or control the use of, a specified asset for the lease term.  Lessor accounting is largely unchanged.  Lessees will need to recognize almost all leases on their balance sheet as a right-of-use asset and a lease liability.  Lessees will no longer be provided with a source of off-balance sheet financing.  Public business entities are required to apply the amendments for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years.  In the first quarter of 2018, the FASB issued a targeted improvement standard that allows an additional transition method to the new lease standard by recognizing a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption.  Consequently, an entity’s reporting for the comparative periods presented in the financial statements in which the entity adopts the new lease requirements would continue to be in accordance with current GAAP (Topic 840), including disclosures.  The Company plans to elect this transition method.  The Company has selected and will soon begin implementation of a third-party vendor solution. The Company expects a gross-up of its Consolidated Balance Sheets as a result of recognizing lease liabilities and right of use assets; the extent of such is under evaluation.  The Company does not expect material changes to its consolidated results of operations as a result of the application of this guidance.

In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers (Topic 606),” affecting any entity that enters into contracts with customers to transfer goods or services or enters into contracts for the transfer of nonfinancial assets unless those contracts are within the scope of other standards. The core principle of this standard is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. Most revenue associated with financial instruments, including interest and loan origination fees, is outside the scope of the guidance. Gains and losses on investment securities, derivatives, and sales of financial instruments are also excluded from the scope.  Subsequent to issuance of the revenue recognition guidance, the FASB has issued several updates that deferred by one year the effective date for revenue recognition guidance; clarified its guidance for performing the principal-versus-agent analysis; clarified guidance for identifying performance obligations allowing entities to ignore immaterial promised goods and services in the context of a contract with a customer and other clarifying guidance and technical corrections.  Entities can elect to adopt the guidance either on a full or modified retrospective basis.  Full retrospective adoption will require a cumulative effect adjustment to retained earnings as of the beginning of the earliest comparative period presented.  Modified retrospective adoption will require a cumulative effect adjustment to retained earnings as of the beginning of the reporting period in which the entity first applies the new guidance.  The standard is effective for the Company for annual reporting periods beginning after December 15, 2017.  The Company has completed its evaluation of contracts for compliance with the standard and will adopt this guidance in 2018 using the modified retrospective approach. The Company did not identify any material changes to the timing of revenue recognition. The Company will present certain underwriting costs (currently offset against Investment and Annuity Fees), as well as certain subadvisor costs (currently offset against Trust Fees) gross as noninterest expense upon adoption.   Adoption of this guidance will not have a material impact on the Company’s financial condition or results of operations and there will be no cumulative effect adjustment to opening retained earnings, as such an adjustment is deemed insignificant.

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Additionally, the following ASUs are applicable to the Company and will be implemented in 2018, or later as the standards become effective, but are not expected to have a significant impact on the Company’s consolidated financial statements:

· ASU 2017-09, Compensation – Stock Compensation (Topic 718): Scope of Modification Accounting;

· ASU 2017-04, Intangibles – Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment;

· ASU 2017-01, Business Combinations (Topic 805): Clarifying the Definition of a Business;

· ASU 2016-16, Income Taxes (Topic 740): Intra-Entity Transfers of Assets Other than Inventory;

· ASU 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments; and

· ASU 2016-01, Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities

Note2. Acquisitions

On March 10, 2017, the Company, through its banking subsidiary, Whitney Bank, acquired certain assets and assumed certain liabilities, including nine branches, from First NBC Bank (“FNBC”), referred to as the FNBC I transaction.  Whitney paid approximately $323 million in cash consideration ($326 million cash paid net of $3 million in branch cash acquired), including a $41.6 million transaction premium for the earnings stream acquired. 

On April 28, 2017, the Louisiana Office of Financial Institutions (“OFI”) closed FNBC and appointed the FDIC as receiver.  Whitney entered into a purchase and assumption agreement with the FDIC, referred to as the FNBC II transaction. Pursuant to the agreement, Whitney acquired selected assets and assumed select liabilities of the former FNBC, including substantially all of the transaction and savings deposits, and continued to operate its 29 branch locations.  Whitney had the option to purchase (or assume the leases for) the branch and non-branch locations, including furniture, fixtures, and equipment, subsequent to the date of the transaction. This option was exercised for seven branch locations. Whitney paid a premium of $35 million to the FDIC for the earnings stream acquired and received approximately $800 million in cash ($642 million from the FDIC for the net liabilities assumed and $158 million in branch cash acquired). 

The FNBC I and FNBC II transactions were accounted for as business combinations and therefore, assets acquired and liabilities assumed were recorded at estimated fair values on the acquisition dates.  The following table sets forth the acquisition date fair value of  the assets acquired and liabilities assumed, the consideration paid or received, and the resulting goodwill recorded in each of the FNBC I and FNBC II transactions, and in the aggregate.

		FNBC I		FNBC II
(in thousands)		March 10, 2017		April 28, 2017		Total
ASSETS
Cash and due from banks	$	2,856	$	157,932	$	160,788
Interest-bearing time deposits with other banks		—		382,622		382,622
Fed funds sold and other short-term investments		—		148		148
Securities		—		213,877		213,877
Total loans		1,203,092		165,577		1,368,669
Property and equipment		11,946		8,988		20,934
Accrued interest receivable		3,143		885		4,028
Identifiable intangible assets		3,900		21,400		25,300
Deferred tax asset		856		1,364		2,220
Other assets		63		4,150		4,213
Total identifiable assets		1,225,856		956,943		2,182,799
LIABILITIES
Deposits		398,171		1,530,338		1,928,509
Short-term borrowings		510,749		85,886		596,635
Long-term debt		93,120		—		93,120
Other liabilities		1,607		3,079		4,686
Total liabilities		1,003,647		1,619,303		2,622,950
Net identifiable assets acquired (liabilities assumed)		222,209		(662,360)		(440,151)
Consideration (Paid) Received		(325,756)		641,577		315,821
Goodwill	$	103,547	$	20,783	$	124,330

The loans acquired were recorded at estimated fair value at the acquisition dates with no carryover of the related allowance for loan losses.  Substantially all of the loans acquired were considered to be performing (“purchased credit performing”) based on such factors as past due status and nonaccrual status, and were accounted for under Accounting Standards Codification (“ASC”) 310-20.  The

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unpaid principal balance of the performing loans acquired totaled $1.4 billion, of which $31.7 million is not expected to be collected.  The difference at the acquisition dates between the fair value and the contractual amounts due (the “fair value discount”) of $41.0million will be accreted into income over the estimated lives of the loan pools established in the valuation. Loans with an unpaid principal balance of $39.9 million and a fair value of $15.0 million were considered to be purchased credit impaired and were accounted for under ASC 310-30 using the cost recovery method; as such, the related fair value discount of $24.9 million will not be accreted into income.

The Company assumed approximately $690 million of borrowings in the transactions, consisting of short-term and long-term Federal Home Loan Bank (“FHLB”) borrowings and securities sold under repurchase agreements.  The short-term FHLB borrowings consisted of $460 million in variable rate term notes and $51 million in fixed rate term notes.  The long-term FHLB borrowings included $93.1 million in fixed rate term notes.  Identifiable intangible assets consist of core deposit intangibles totaling $25.3 million that are being amortized using sum of years’ digits over the asset’s life of eight years for the FNBC I transaction and eleven years for the FNBC II transaction.  Goodwill totaling $124.3 million represents the excess of the consideration paid over the fair value of the net assets acquired, or the excess of the fair value of the net liabilities assumed over the consideration received. It is comprised of estimated future economic benefits arising from these transactions that cannot be individually identified or do not qualify for separate recognition. These benefits include increased market share in the Greater New Orleans and Florida Panhandle market areas, expected earnings streams, and operational efficiencies that the Company believes will result from these business combinations. The tax basis of the goodwill generated from these transactions is expected to be deductible for federal income tax purposes.

The following table illustrates the change in the Company’s goodwill for the year ended December 31, 2017:

(in thousands)
Goodwill balance at December 31, 2016	$	621,193
Additions and adjustments:
Initial goodwill recorded in FNBC I transaction		95,568
Measurement period adjustments - FNBC I transaction		7,979
Initial goodwill recorded in FNBC II transaction		23,009
Measurement period adjustments - FNBC II transaction		(2,226)
Goodwill balance at December 31, 2017	$	745,523

The operating results of the Company for the year ended December 31, 2017 include the results from the operations acquired in the FNBC transactions since the respective acquisition dates.  Estimating reliable historical financial information is impracticable as only selected components of the businesses, as historically operated, were acquired. A number of post-acquisition events, including the consolidation of certain branch locations and the integration of operations, cash and investments acquired make quantifying discrete earnings contributions of the businesses acquired impracticable.  As such, neither supplemental pro forma financial information of the combined entity, nor revenue and earnings contributed by the businesses acquired since the dates of acquisition are presented.

The Company incurred merger-related costs in connection with the FNBC I and FNBC II transactions.  The following table reflects the merger-related costs for the year ended December 31, 2017 for both the FNBC I and FNBC II transactions combined.  The Company does not expect to incur additional merger-related costs related to the FNBC transactions in any subsequent period.

(in thousands)
Personnel expense	$	3,662
Net occupancy and equipment expense		777
Professional services expense		9,681
Data processing expense		974
Other real estate		(1,511)
Advertising expense		1,389
Other expense		4,398
Total merger-related expenses	$	19,370

Pending Business Combination

In December 2017, the Company announced that it had entered into an agreement to acquire the bank-managed high net worth individual and institutional investment management and trust business from Capital One, National Association (“Capital One”). The transaction is expected to close in the second quarter of 2018, pending regulatory approval and the satisfaction of customary and other closing conditions.  

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Note 3. Securities

The amortized cost and fair value of securities classified as available for sale and held to maturity follow.

Securities Available for Sale
	December 31, 2017								December 31, 2016
			Gross		Gross						Gross		Gross
	Amortized		Unrealized		Unrealized		Fair		Amortized		Unrealized		Unrealized		Fair
(in thousands)	Cost		Gains		Losses		Value		Cost		Gains		Losses		Value
U.S. Treasury and   government agency   securities	$	99,535	$	—	$	2,263	$	97,272	$	56,751	$	—	$	1,923	$	54,828
Municipal obligations		245,997		1,135		3,346		243,786		253,228		113		11,186		242,155
Residential mortgage-backed  securities		1,729,989		5,611		20,387		1,715,213		1,620,191		10,592		19,428		1,611,355
Commercial mortgage-backed  securities		704,518		480		17,863		687,135		425,750		—		23,159		402,591
Collateralized mortgage   obligations		165,518		4		1,559		163,963		202,580		490		591		202,479
Corporate debt securities		3,500		—		—		3,500		3,500		—		—		3,500
	$	2,949,057	$	7,230	$	45,418	$	2,910,869	$	2,562,000	$	11,195	$	56,287	$	2,516,908

Securities Held to Maturity
	December 31, 2017								December 31, 2016
			Gross		Gross						Gross		Gross
	Amortized		Unrealized		Unrealized		Fair		Amortized		Unrealized		Unrealized		Fair
(in thousands)	Cost		Gains		Losses		Value		Cost		Gains		Losses		Value
U.S. Treasury and   government agency   securities	$	50,000	$	—	$	289	$	49,711	$	50,000	$	—	$	44	$	49,956
Municipal obligations		723,094		8,323		4,245		727,172		648,093		2,147		20,175		630,065
Residential mortgage-backed securities		725,748		4,175		2,690		727,233		862,162		4,329		3,068		863,423
Commercial mortgage-backed securities		317,185		40		3,915		313,310		75,739		—		4,038		71,701
Collateralized mortgage   obligations		1,161,484		572		17,472		1,144,584		864,226		1,420		10,674		854,972
	$	2,977,511	$	13,110	$	28,611	$	2,962,010	$	2,500,220	$	7,896	$	37,999	$	2,470,117

The following tables present the amortized cost and fair value of debt securities at December 31, 2017 by contractual maturity. Actual maturities will differ from contractual maturities because of rights to call or repay obligations with or without penalties and scheduled and unscheduled principal payments on mortgage-backed securities and collateral mortgage obligations.

(in thousands)	Amortized Cost		Fair Value
Debt Securities Available for Sale
Due in one year or less	$	7,624	$	7,658
Due after one year through five years		40,743		41,083
Due after five years through ten years		1,226,635		1,208,735
Due after ten years		1,674,055		1,653,393
Total available for sale debt securities	$	2,949,057	$	2,910,869

(in thousands)	Amortized Cost		Fair Value
Debt Securities Held to Maturity
Due in one year or less	$	10,686	$	10,695
Due after one year through five years		122,555		122,339
Due after five years through ten years		1,052,688		1,051,036
Due after ten years		1,791,582		1,777,940
Total held to maturity debt securities	$	2,977,511	$	2,962,010

The Company held no securities classified as trading at December 31, 2017 or 2016.  

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The details for securities classified as available for sale with unrealized losses as of December 31, 2017 follow.

Available for sale
	Losses < 12 Months				Losses 12 Months or >				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(in thousands)	Value		Losses		Value		Losses		Value		Losses
U.S. Treasury and government   agency securities	$	45,616	$	42	$	51,157	$	2,221	$	96,773	$	2,263
Municipal obligations		2,768		11		173,530		3,335		176,298		3,346
Residential mortgage-backed securities		461,835		4,195		898,099		16,192		1,359,934		20,387
Commercial mortgage-backed securities		203,618		995		411,046		16,868		614,664		17,863
Collateralized mortgage obligations		128,174		1,076		35,488		483		163,662		1,559
	$	842,011	$	6,319	$	1,569,320	$	39,099	$	2,411,331	$	45,418

The details for securities classified as available for sale with unrealized losses as of December 31, 2016 follow.

Available for sale
	Losses < 12 Months				Losses 12 Months or >				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(in thousands)	Value		Losses		Value		Losses		Value		Losses
U.S. Treasury and government   agency securities	$	54,788	$	1,923	$	—	$	—	$	54,788	$	1,923
Municipal obligations		228,588		11,186		—		—		228,588		11,186
Residential mortgage-backed securities		1,087,644		19,359		3,738		69		1,091,382		19,428
Commercial mortgage-backed securities		402,591		23,159		—		—		402,591		23,159
Collateralized mortgage obligations		83,701		591		—		—		83,701		591
	$	1,857,312	$	56,218	$	3,738	$	69	$	1,861,050	$	56,287

The details for securities classified as held to maturity with unrealized losses as of December 31, 2017 follow.

Securities Held to Maturity
	Losses < 12 Months				Losses 12 Months or >				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(in thousands)	Value		Losses		Value		Losses		Value		Losses
U.S. Treasury and government   agency securities	$	—	$	—	$	49,711	$	289	$	49,711	$	289
Municipal obligations		14,603		19		230,960		4,226		245,563		4,245
Residential mortgage-backed securities		8,815		99		230,277		2,591		239,092		2,690
Commercial mortgage-backed securities		174,882		744		72,499		3,171		247,381		3,915
Collateralized mortgage obligations		570,289		5,653		472,536		11,819		1,042,825		17,472
	$	768,589	$	6,515	$	1,055,983	$	22,096	$	1,824,572	$	28,611

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The details for securities classified as held to maturity with unrealized losses as of December 31, 2016 follow.

Securities Held to Maturity
	Losses < 12 Months				Losses 12 Months or >				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(in thousands)	Value		Losses		Value		Losses		Value		Losses
U.S. Treasury and government   agency securities	$	49,956	$	44	$	—	$	—	$	49,956	$	44
Municipal obligations		494,470		19,706		11,750		469		506,220		20,175
Residential mortgage-backed securities		278,369		3,068		—		—		278,369		3,068
Commercial mortgage-backed securities		71,701		4,038		—		—		71,701		4,038
Collateralized mortgage obligations		618,739		7,296		115,375		3,378		734,114		10,674
	$	1,513,235	$	34,152	$	127,125	$	3,847	$	1,640,360	$	37,999

The unrealized losses primarily relate to changes in market rates on fixed rate debt securities since the respective purchase date. In all cases, the indicated impairment on these debt securities would be recovered no later than the security’s maturity date or possibly earlier if the market price for the security increases with a reduction in the yield required by the market. None of the unrealized losses relate to the marketability of the securities or the issuers’ abilities to meet contractual obligations. The Company believes it has adequate liquidity and, therefore, does not plan to and, more likely than not, will not be required to sell these securities before recovery of the indicated impairment. Accordingly, the unrealized losses on these securities have been determined to be temporary.

Proceeds from sales of securities were approximately $213.9 million in 2017, $173.2 million in 2016, and $9.3 million in 2015. No gross gains or losses were recognized on sales of securities in 2017.  Gross gains of approximately $2.0 million and gross losses of approximately $0.2 million were recognized on sales of securities in 2016. 

Securities with carrying values totaling approximately $3.3 billion at December 31, 2017 and $3.8 billion at December 31, 2016 were pledged primarily to secure public deposits or sold under agreements to repurchase.

Note 4. Loans and Allowance for Loan Losses

The Company generally makes loans in its market areas of south Mississippi, southern and central Alabama, south Louisiana, the Houston, Texas area and the northern, central and panhandle regions of Florida.  Loans, net of unearned income, consisted of the following at December 31, 2017 and 2016:

(in thousands)	2017		2016
Commercial non-real estate	$	8,297,937	$	7,613,917
Commercial real estate - owner occupied		2,142,439		1,906,821
Total commercial and industrial		10,440,376		9,520,738
Commercial real estate - income producing		2,384,599		2,013,890
Construction and land development		1,373,421		1,010,879
Residential mortgages		2,690,472		2,146,713
Consumer		2,115,295		2,059,931
Total loans	$	19,004,163	$	16,752,151

The Bank makes loans in the normal course of business to directors and executive officers of the Company and the Bank and to their associates. Loans to such related parties are made on substantially the same terms, including interest rates and collateral requirements, as those prevailing at the time for comparable transactions with unrelated parties and do not involve more than normal risk of collectability when originated. Balances of loans to the Company’s directors, executive officers and their associates at December 31, 2017 and 2016 were approximately $33.6 million and $15.3 million, respectively. Related party loan activity for 2017 includes new loans of $25.8 million and repayments of $7.5 million.

The Bank has a line of credit with the Federal Home Loan Bank of Dallas that is secured by blanket pledges of certain qualifying loan types.  The Bank had borrowings on this line of $1.1billion and $865 million at December 31, 2017 and 2016, respectively.

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The following schedules show activity in the allowance for loan losses for the year ended December 31, 2017 and 2016 by portfolio segment, and the corresponding recorded investment in loans as of December 31, 2017 and 2016. Purchased credit impaired loans accounted for using the cost recovery method that are individually evaluated for impairment are reflected as such.

	Commercial Non-Real Estate		Commercial Real Estate- Owner Occupied		Total Commercial and Industrial		Commercial Real Estate- Income Producing		Construction and Land Development		Residential Mortgages		Consumer		Total
(in thousands)	Year Ended December 31, 2017
Allowance for loan  losses:
Beginning balance	$	147,052	$	11,083	$	158,135	$	13,509	$	6,271	$	25,361	$	26,142	$	229,418
Purchased credit impaired activity
Charge-offs		—		—		—		—		(77)		(297)		(153)		(527)
Recoveries		7		453		460		1		144		24		75		704
Net provision for loan losses		79		(882)		(803)		(213)		(301)		(168)		(412)		(1,897)
(Decrease) increase in FDIC loss share receivable		(47)		—		(47)		—		—		(2,344)		(135)		(2,526)
Non-purchased credit impaired activity:																—
Charge-offs		(51,479)		(558)		(52,037)		(259)		(619)		(2,542)		(31,277)		(86,734)
Recoveries		7,519		395		7,914		987		1,459		1,040		6,605		18,005
Net provision for loan losses		24,787		2,471		27,258		(316)		495		3,770		29,658		60,865
Ending balance	$	127,918	$	12,962	$	140,880	$	13,709	$	7,372	$	24,844	$	30,503	$	217,308
Ending balance:
Allowance:
Individually evaluated for impairment	$	16,129	$	793	$	16,922	$	1,326	$	11	$	189	$	118	$	18,566
Amounts related to purchased credit impaired loans		525		465		990		41		172		12,258		646		14,107
Collectively evaluated for impairment		111,264		11,704		122,968		12,342		7,189		12,397		29,739		184,635
Total allowance	$	127,918	$	12,962	$	140,880	$	13,709	$	7,372	$	24,844	$	30,503	$	217,308
Loans:
Individually evaluated for impairment	$	267,881	$	21,491	$	289,372	$	15,530	$	363	$	10,640	$	1,292	$	317,197
Purchased credit impaired loans		5,941		7,294		13,235		2,742		5,829		119,553		6,178		147,537
Collectively evaluated for impairment		8,024,115		2,113,654		10,137,769		2,366,327		1,367,229		2,560,279		2,107,825		18,539,429
Total loans	$	8,297,937	$	2,142,439	$	10,440,376	$	2,384,599	$	1,373,421	$	2,690,472	$	2,115,295	$	19,004,163

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	Commercial Non-Real Estate		Commercial Real Estate- Owner Occupied		Total Commercial and Industrial		Commercial Real Estate- Income Producing		Construction and Land Development		Residential Mortgages		Consumer		Total
(in thousands)	Year Ended December 31, 2016
Allowance for loan  losses:
Beginning balance	$	109,428	$	9,858	$	119,286	$	6,041	$	5,642	$	25,353	$	24,857	$	181,179
Purchased credit impaired activity
Charge-offs		—		(28)		(28)		(1)		(18)		(323)		(8)		(378)
Recoveries		115		269		384		2		361		36		189		972
Net provision for loan losses		(44)		(440)		(484)		(462)		(594)		1,876		(1,740)		(1,404)
Increase (decrease) in FDIC loss share receivable		(31)		—		(31)		—		—		(4,209)		283		(3,957)
Non-purchased credit impaired activity:
Charge-offs		(42,620)		(1,819)		(44,439)		(346)		(964)		(1,040)		(26,099)		(72,888)
Recoveries		3,969		480		4,449		989		1,725		859		5,809		13,831
Net provision for loan losses		76,235		2,763		78,998		7,286		119		2,809		22,851		112,063
Ending balance	$	147,052	$	11,083	$	158,135	$	13,509	$	6,271	$	25,361	$	26,142	$	229,418
Ending balance:
Allowance:
Individually evaluated for impairment	$	28,187	$	246	$	28,433	$	466	$	38	$	91	$	267	$	29,295
Amounts related to purchased credit impaired loans		486		894		1,380		253		406		15,043		1,271		18,353
Collectively evaluated for impairment		118,379		9,943		128,322		12,790		5,827		10,227		24,604		181,770
Total allowance	$	147,052	$	11,083	$	158,135	$	13,509	$	6,271	$	25,361	$	26,142	$	229,418
Loans:
Individually evaluated for impairment	$	271,262	$	6,268	$	277,530	$	15,376	$	1,938	$	4,347	$	2,154	$	301,345
Purchased credit impaired loans		11,368		13,323		24,691		7,928		5,271		141,992		11,033		190,915
Collectively evaluated for impairment		7,331,287		1,887,230		9,218,517		1,990,586		1,003,670		2,000,374		2,046,744		16,259,891
Total loans	$	7,613,917	$	1,906,821	$	9,520,738	$	2,013,890	$	1,010,879	$	2,146,713	$	2,059,931	$	16,752,151

Impaired Loans

The following table shows the composition of nonaccrual loans by portfolio class.  Purchased credit impaired loans accounted for in pools with an accretable yield are considered to be performing and are excluded from the table.

	December 31,
(in thousands)	2017		2016
Commercial non-real estate	$	152,863	$	249,037
Commercial real estate - owner occupied		25,989		14,413
Total commercial and industrial		178,852		263,450
Commercial real estate - income producing		14,574		13,954
Construction and land development		3,807		4,550
Residential mortgages		40,480		23,665
Consumer		15,087		12,351
Total loans	$	252,800	$	317,970

Nonaccrual loans include loans modified in troubled debt restructurings (TDRs) of $99.2 million and $81.9 million, respectively, at December 31, 2017 and 2016. Total TDRs, both accruing and nonaccruing, were $219.7 million at December 31, 2017 and $121.7 million at December 31, 2016.  

The table below details the TDRs that were modified during 2017 and 2016 by portfolio segment. All such loans are individually evaluated for impairment.

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	Years Ended December 31,
($ in thousands)	2017					2016					2015
		Outstanding Recorded Investment					Outstanding Recorded Investment					Outstanding Recorded Investment
Troubled Debt Restructurings:	Number of Contracts	Pre- Modification		Post- Modification		Number of Contracts	Pre- Modification		Post- Modification		Number of Contracts	Pre- Modification		Post- Modification
Commercial non-real estate	52	$	162,909	$	162,909	38	$	128,449	$	128,449	1	$	4,420	$	4,420
Commercial real estate - owner occupied	5		5,684		5,684	1		148		148	—		—		—
Total commercial and industrial	57		168,593		168,593	39		128,597		128,597	1		4,420		4,420
Commercial real estate - income producing	5		5,625		5,625	1		2,943		2,943	1		485		482
Construction and land development	—		—		—	—		—		—	—		—		—
Residential mortgages	15		2,812		2,812	7		694		694	4		195		185
Consumer	1		40		40	—		—		—	1		20		20
Total loans	78	$	177,070	$	177,070	47	$	132,234	$	132,234	7	$	5,120	$	5,107

The TDRs modified during the year ended December 31, 2017 reflected in the table above include $98.1 million of loans with extended amortization terms or other payment concessions, $76.2 million of loans with significant covenant waivers and $2.8 million with other modifications.  The TDRs modified during the year ended December 31, 2016 include $108.9 million of loans with extended terms or other payment concessions of $22.8 mllion of loans with significant convenant waivers, and $0.5 million with other modifications.  The TDRs modified during the year ended December 31, 2015 include $5.0 million of loans with extended terms or other payment concessions and $0.1 million of other modifications.

As of December 31, 2017 and 2016, the Company had unfunded commitments of approximately $7.3 million and $6.8 million, respectively, to borrowers whose loan terms had been modified in TDRs.

Four commercial non-real estate loans modified in TDRs during the year ended December 31, 2016 defaulted within twelve months of modification.  The loans were part of a single relationship and had an aggregate carrying balance of $20.8 million at the time of default. No TDRs modified during the years ended December 31, 2017 or 2015 subsequently defaulted within twelve months of modification.  

The tables below present loans that are individually evaluated for impairment disaggregated by class at December 31, 2017 and 2016. Loans individually evaluated for impairment include TDRs and loans that are determined to be impaired and have aggregate relationship balances of $1 million or more.

	December 31, 2017
(in thousands)	Recorded Investment Without an Allowance		Recorded Investment With an Allowance		Unpaid Principal Balance		Related Allowance
Commercial non-real estate	$	116,682	$	151,199	$	285,685	$	16,129
Commercial real estate - owner occupied		16,927		4,564		24,829		793
Total commercial and industrial		133,609		155,763		310,514		16,922
Commercial real estate - income producing		5,101		10,429		15,687		1,326
Construction and land development		100		263		363		11
Residential mortgages		8,245		2,395		13,855		189
Consumer		—		1,292		1,294		118
Total loans	$	147,055	$	170,142	$	341,713	$	18,566

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	December 31, 2016
(in thousands)	Recorded Investment Without an Allowance		Recorded Investment With an Allowance		Unpaid Principal Balance		Related Allowance
Commercial non-real estate	$	150,650	$	120,612	$	295,445	$	28,187
Commercial real estate - owner occupied		4,261		2,007		6,646		246
Total commercial and industrial		154,911		122,619		302,091		28,433
Commercial real estate - income producing		10,447		4,929		15,708		466
Construction and land development		1,106		832		2,903		38
Residential mortgages		2,877		1,470		4,865		91
Consumer		—		2,154		2,155		267
Total loans	$	169,341	$	132,004	$	327,722	$	29,295

The tables below present the average balances and interest income for total impaired loans for years ended December 31, 2017 and 2016. Interest income recognized represents interest on accruing loans modified in a TDR.

	Years Ended
	December 31, 2017				December 31, 2016
(in thousands)	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Commercial non-real estate	$	255,710	$	2,774	$	211,324	$	1,164
Commercial real estate - owner occupied		7,901		62		6,151		44
Total commercial and industrial		263,611		2,836		217,475		1,208
Commercial real estate - income producing		14,565		146		9,347		106
Construction and land development		1,018		2		6,366		1
Residential mortgages		5,784		18		2,109		10
Consumer		1,558		13		716		5
Total loans	$	286,536	$	3,015	$	236,013	$	1,330

Aging Analysis

The following table presents the age analysis of past due loans at December 31, 2017 and 2016. Purchased credit impaired loans with an accretable yield are considered to be current in the following delinquency table:

December 31, 2017	30-59 Days Past Due		60-89 Days Past Due		Greater Than 90 Days past due		Total Past Due		Current		Total Loans		Recorded Investment > 90 Days and Accruing
(in thousands)
Commercial non-real estate	$	62,766	$	10,761	$	92,982	$	166,509	$	8,131,428	$	8,297,937	$	21,989
Commercial real estate - owner occupied		8,493		648		15,517		24,658		2,117,781		2,142,439		2,032
Total commercial and industrial		71,259		11,409		108,499		191,167		10,249,209		10,440,376		24,021
Commercial real estate - income producing		5,315		2,165		6,081		13,561		2,371,038		2,384,599		489
Construction and land development		4,113		1,056		3,412		8,581		1,364,840		1,373,421		477
Residential mortgages		33,621		10,554		30,537		74,712		2,615,760		2,690,472		2,208
Consumer		22,959		7,816		8,553		39,328		2,075,967		2,115,295		571
Total loans	$	137,267	$	33,000	$	157,082	$	327,349	$	18,676,814	$	19,004,163	$	27,766

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December 31, 2016	30-59 Days Past Due		60-89 Days Past Due		Greater Than 90 Days Past Due		Total Past Due		Current		Total Loans		Recorded Investment > 90 Days and Accruing
(in thousands)
Commercial non-real estate	$	19,722	$	1,909	$	68,505	$	90,136	$	7,523,781	$	7,613,917	$	384
Commercial real estate - owner occupied		3,008		581		6,310		9,899		1,896,922		1,906,821		52
Total commercial and industrial		22,730		2,490		74,815		100,035		9,420,703		9,520,738		436
Commercial real estate - income producing		838		50		5,026		5,914		2,007,976		2,013,890		216
Construction and land development		694		171		5,300		6,165		1,004,714		1,010,879		1,563
Residential mortgages		24,599		8,816		14,369		47,784		2,098,929		2,146,713		1
Consumer		18,621		7,441		9,147		35,209		2,024,722		2,059,931		823
Total loans	$	67,482	$	18,968	$	108,657	$	195,107	$	16,557,044	$	16,752,151	$	3,039

Credit Quality Indicators

The following table presents the credit quality indicators of the Company’s various classes of loans at December 31, 2017 and December 31, 2016.

	December 31, 2017
(in thousands)	Commercial Non-Real Estate		Commercial Real Estate - Owner Occupied		Total Commercial and Industrial		Commercial Real Estate - Income Producing		Construction and Land Development		Total Commercial
Grade:
Pass	$	7,190,604	$	1,896,366	$	9,086,970	$	2,223,245	$	1,291,638	$	12,601,853
Pass-Watch		293,069		82,913		375,982		83,444		60,804		520,230
Special Mention		80,649		27,456		108,105		13,244		4,788		126,137
Substandard		733,558		135,704		869,262		64,658		16,191		950,111
Doubtful		57		—		57		8		—		65
Total	$	8,297,937	$	2,142,439	$	10,440,376	$	2,384,599	$	1,373,421	$	14,198,396

	December 31, 2016
(in thousands)	Commercial Non-Real Estate		Commercial Real Estate - Owner Occupied		Total Commercial & Industrial		Commercial Real Estate - Income Producing		Construction and Land Development		Total Commercial
Grade:
Pass	$	6,364,348	$	1,719,114	$	8,083,462	$	1,873,644	$	968,505	$	10,925,611
Pass-Watch		203,311		47,676		250,987		78,309		22,592		351,888
Special Mention		181,763		40,299		222,062		22,492		4,142		248,696
Substandard		846,793		99,732		946,525		39,434		15,640		1,001,599
Doubtful		17,702		—		17,702		11		—		17,713
Total	$	7,613,917	$	1,906,821	$	9,520,738	$	2,013,890	$	1,010,879	$	12,545,507

	December 31, 2017						December 31, 2016
(in thousands)	Residential Mortgage		Consumer		Total		Residential Mortgage		Consumer		Total
Performing	$	2,647,784	$	2,099,637	$	4,747,421	$	2,123,048	$	2,046,757	$	4,169,805
Nonperforming		42,688		15,658		58,346		23,665		13,174		36,839
Total	$	2,690,472	$	2,115,295	$	4,805,767	$	2,146,713	$	2,059,931	$	4,206,644

Below are the definitions of the Company’s internally assigned grades:

Commercial:

· Pass - loans properly approved, documented, collateralized, and performing which do not reflect an abnormal credit risk.

· Pass - Watch - credits in this category are of sufficient risk to cause concern. This category is reserved for credits that display negative performance trends. The “Watch” grade should be regarded as a transition category.

· Special mention - a criticized asset category defined as having potential weaknesses that deserve management’s close attention. If left uncorrected, these potential weaknesses may, at some future date, result in the deterioration of the repayment prospects for the credit or the institution’s credit position. Special mention credits are not considered part of the Classified credit categories and do not expose an institution to sufficient risk to warrant adverse classification.

· Substandard - an asset that is inadequately protected by the current sound worth and paying capacity of the obligor or of the collateral pledged, if any. Assets so classified must have a well-defined weakness or weaknesses that jeopardize the 98

liquidation of the debt. They are characterized by the distinct possibility that the institution will sustain some loss if the deficiencies are not corrected.

· Doubtful - an asset that has all the weaknesses inherent in one classified Substandard with the added characteristic that the weaknesses make collection nor liquidation in full, on the basis of currently existing facts, conditions, and values, highly questionable and improbable.

· Loss - credits classified as Loss are considered uncollectable and are charged off promptly once so classified.

Residential and Consumer:

· Performing - loans on which payments of principal and interest are less than 90 days past due.

· Nonperforming - a nonperforming loan is a loan that is in default or close to being in default and there are good reasons to doubt that payments will be made in full. All loans rated as nonaccrual loans are also classified as nonperforming.

The Company assigns risk ratings at loan origination and reviews these ratings at minimum on annual basis, or at any point management becomes aware of information that may affect a borrower’s ability to service its debt.  Credit Review uses a risk-focused continuous monitoring program that provides for an independent, objective and timely review of credit risk within the Company.

Purchased Credit Impaired Loans

Changes in the carrying amount of purchased credit impaired loans not individually evaluated for impairment and accretable yield are presented in the following table for the years ended December 31, 2017 and 2016:  

	2017				2016
	Carrying				Carrying
	Amount		Accretable		Amount		Accretable
(in thousands)	of Loans		Yield		of Loans		Yield
Balance at beginning of period	$	190,915	$	113,686	$	225,838	$	129,488
Additions		15,000		—		—		—
Payments received, net		(69,591)		(7,412)		(55,194)		(11,024)
Accretion		17,079		(17,079)		20,271		(20,271)
Increase (decrease) in expected cash flows based on actual
cash flow and changes in cash flow assumptions		—		(30,379)		—		5,358
Net transfers from nonaccretable difference
to accretable yield		—		3,701		—		10,135
Balance at end of period	$	153,403	$	62,517	$	190,915	$	113,686

Loans acquired in an FDIC-assisted transaction and the related FDIC loss share receivable

Loans purchased in the 2009 acquisition of Peoples First Community Bank were covered by two loss share agreements between the FDIC and the Company.  As of December 31, 2016, $149 million of purchased credit impaired loans were covered by the single family loss share agreement.  In July 2017, the Company terminated the agreements with the FDIC on the remaining covered loan balances.  The Company wrote down the indemnification asset by $6.6 million to the final settlement received of $3.2 million.

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The receivable arising from the loss-sharing agreements (referred to as the “FDIC loss share receivable” on our consolidated balance sheet) was measured separately from the covered loans as the agreements were not contractually part of the loans and were not transferable should the Company have disposed of the loans.

The following schedule shows activity in the FDIC loss share receivable for the year ended December 31, 2017 and 2016:  

(in thousands)	2017		2016
Balance, January 1	$	16,219	$	29,868
Amortization		(2,427)		(5,918)
Charge-offs, write-downs and other (recoveries)		(2,442)		(8,264)
External expenses qualifying under loss share agreement		79		1,356
Adjustments due to changes in cash flow projections		(2,526)		(3,957)
Net payments to FDIC		934		3,134
Loss on termination of loss share agreements		(6,603)		—
Cash received from FDIC for final settlement of agreements		(3,234)		—
Balance, December 31	$	—	$	16,219

Residential Mortgage Loans in Process of Foreclosure

Loans in process of foreclosure include those for which formal foreclosure proceedings are in process according to local requirements of the applicable jurisdiction.Included in loans are $7.5 million and $10.1 million of consumer loans secured by single family residential mortgage real estate that are in process of foreclosure as of December 31, 2017 and 2016, respectively. In addition to the single family residential real estate loans in process of foreclosure, the Company also held $3.4 million and $3.1 million of foreclosed single family residential properties in other real estate owned as of December 31, 2017 and 2016, respectively. As of December 31, 2016, $4.9 million of loans in process of foreclosure and $0.9 million of foreclosed single family residential properties were covered by an FDIC loss share agreement that provided protection against losses.

Loans Held for Sale

Loans held for sale totaled $39.9 million and $34.1 million, respectively, at December 31, 2017 and 2016. Substantially all loans held for sale are residential mortgage loans originated on a best-efforts basis, whereby a commitment by a third party to purchase the loan has been received concurrent with the Bank’s commitment to the borrower to originate the loan.

Note 5. Property and Equipment

Property and equipment consisted of the following as of December 31, 2017 and 2016:

	December 31,
(in thousands)	2017		2016
Land and land improvements	$	71,061	$	79,412
Buildings and leasehold improvements		305,277		335,566
Furniture, fixtures and equipment		92,360		96,565
Software		70,003		70,370
Assets under development		9,960		10,826
		548,661		592,739
Accumulated depreciation and amortization		(214,998)		(231,127)
Property and equipment, net	$	333,663	$	361,612

Depreciation and amortization expense was $28.1 million, $28.4 million and $28.8 million for the years ended December 31, 2017,2016 and 2015, respectively.

Property and Equipment Held for Sale

During the fourth quarter of 2017, the Company determined that certain property and equipment met the criteria to be classified as assets held for sale. The Company expects these assets to be sold within the next twelve months. The carrying value of $27.2 million has been recorded within Other Assets in the Consolidated Balance Sheet as of December 31, 2017. For more information on the Company's policy on assets held for sale, refer to Note 1 – Summary of Significant Account Policies and Recent Accounting Pronouncements.

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Note 6. Goodwill and Other Intangible Assets

Goodwill represents the excess of the consideration paid over the fair value of the net assets acquired or the excess of the fair value of the net liabilities assumed over the consideration received in a business combination.  The FNBC transactions resulted in goodwill of approximately $124.3 million during the year ended December 31, 2017.  The carrying amount of goodwill was $745.5 million and $621.2million at December 31, 2017 and 2016.  The Company completed its annual goodwill impairment test as of September 30, 2017 and concluded that there was no impairment of goodwill.

The Company used the discounted net present value of estimated future cash flows to measure the fair value of its goodwill at December 31, 2017.  The valuation technique used by the Company requires significant assumptions. Assumptions are made concerning the economic environment, expected net interest margins, growth rates, and discount rates for cash flows. Changes to these assumptions could result in significantly different results.

No goodwill impairment charges were recognized during 2017,  2016 or 2015.

Identifiable intangible assets with finite lives are amortized over the periods benefited and are evaluated for impairment similar to other long-lived assets. The purchase and carrying values of intangible assets subject to amortization were as follows:  

	December 31, 2017
	Purchase		Accumulated		Carrying
(in thousands)	Value		Amortization		Value
Core deposit intangibles	$	215,955	$	132,878	$	83,077
Credit card and trust relationships		22,400		16,882		5,518
Merchant processing relationships		10,000		7,955		2,045
	$	248,355	$	157,715	$	90,640

	December 31, 2016
	Purchase		Accumulated		Carrying
(in thousands)	Value		Amortization		Value
Core deposit intangibles	$	190,655	$	113,436	$	77,219
Credit card and trust relationships		22,400		14,907		7,493
Merchant processing relationships		10,000		6,955		3,045
	$	223,055	$	135,298	$	87,757

	Years Ended December 31,
(in thousands)	2017		2016		2015
Aggregate amortization expense for:
Core deposit intangibles	$	19,442	$	16,411	$	18,031
Credit card and trust relationships		1,975		2,172		2,369
Trade name		—		—		2,388
Merchant processing relationships		1,000		1,198		1,396
	$	22,417	$	19,781	$	24,184

The weighted-average remaining life of core deposit intangibles is 9 years. The weighted-average remaining life of other identifiable intangibles is 6 years.  

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The following table shows estimated amortization expense of other intangible assets as of December 31, 2017 for the five succeeding years and thereafter, calculated based on current amortization schedules.

(in thousands)
2018	$	21,368
2019		18,194
2020		13,766
2021		11,288
2022		8,975
Thereafter		17,049
	$	90,640

Note 7. Time Deposits

The maturity of time deposits at December 31, 2017 follows.

(in thousands)
2018	$	1,490,062
2019		1,342,830
2020		111,201
2021		19,066
2022		20,150
Thereafter		4,199
Total time deposits	$	2,987,508

Certificates of depositin amounts greater than $250,000 totaled approximately $732million at December 31, 2017.  

Note 8. Short-Term Borrowings

The following table presents information concerning short-term borrowing as of December 31, 2017 and 2016:

	December 31,
(in thousands)	2017		2016
Federal funds purchased:
Amount outstanding at period end	$	140,754	$	2,275
Average amount outstanding during period		27,063		14,052
Maximum amount at any month end during period		140,754		59,475
Weighted-average interest at period end		1.00%		0.38%
Weighted-average interest rate during period		1.37%		0.50%
Securities sold under agreements to repurchase:
Amount outstanding at period end	$	430,569	$	358,131
Average amount outstanding during period		501,719		454,571
Maximum amount at any month end during period		587,569		579,099
Weighted-average interest at period end		0.17%		0.04%
Weighted-average interest rate during period		0.12%		0.03%
FHLB borrowings:
Amount outstanding at period end	$	1,132,567	$	865,000
Average amount outstanding during period		1,478,114		943,570
Maximum amount at any month end during period		2,061,652		1,175,000
Weighted-average interest at period end		1.35%		0.54%
Weighted-average interest rate during period		1.00%		0.41%

Federal funds purchased represent unsecured borrowings from other banks, generally on an overnight basis.

Securities sold under agreements to repurchase (“repurchase agreements”) are funds borrowed on a secured basis by selling securities under agreements to repurchase, mainly in connection with treasury-management services offered to deposit customers. The customer repurchase agreements mature daily and are secured by agency securities. As the Company maintains effective control over assets sold under agreements to repurchase, the securities continue to be carried on the consolidated statements of financial condition. Because

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the Company acts as borrower transferring assets to the counterparty, and the agreements mature daily, the Company’s risk is very limited.

The $1.1 billion of FHLB borrowings at December 31, 2017 consists of sixfixed rate notes totaling $223 million, all of which mature in 2018, and sixvariable rate notes totaling $910 million, of which $450 million mature in 2020,  $200 million mature in 2025 and $260 million mature in 2026. These notes reprice monthly or quarterly and may be repaid at our option, either in whole or in part, on any monthly repricing date, subject to a two week advanced notice.

Note 9. Long-Term Debt

As of December 31, 2017 and 2016, long-term debt was comprised of the following:

	December 31,
(in thousands)	2017		2016
Subordinated notes payable, maturing June 2045	$	150,000	$	150,000
Subordinated notes payable, maturing April 2017		—		95,511
Term note payable, maturing December 2018		89,200		107,100
Other long-term debt		71,378		89,196
Less: unamortized debt issuance costs		(5,065)		(5,527)
Total long-term debt	$	305,513	$	436,280

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The following table sets forth unamortized debt issuance costs associated with the respective debt instruments as of December 31, 2017:

				Unamortized
				Debt
				Issuance
(in thousands)		Principal		Costs
Subordinated notes payable, maturing June 2045	$	150,000	$	4,780
Term note payable, maturing December 2018		89,200		285
Other long-term debt		71,378		—
Total	$	310,578	$	5,065

On March 9, 2015, the Company completed the issuance of subordinated notes payable with an aggregate principal amount of $150 million, maturing on June 15, 2045. These notes accrue interest at a fixed rate of 5.95% per annum, with quarterly interest payments which began in June 2015. Subject to prior approval by the Federal Reserve, the Company may redeem the notes in whole or in part on any interest payment date on or after June 15, 2020. This debt qualifies as tier 2 capital in the calculation of certain regulatory capital ratios.

The Company redeemed the remaining principal of $95.5 million of subordinated notes at their maturity inApril 2017.   The notes had  accrued interest at 5.875% per annum. 

On December 18, 2015, the Company entered into a senior unsecured single-draw term loan facility totaling $125 million, which was drawn on the closing date. Amounts borrowed under the loan facility bear variable rate interest ofLIBOR plus 1.50% per annum. The loan agreement requires quarterly principal payments of $4.5 million, and outstanding borrowings may be repaid in whole or in part at any time prior to the December 18, 2018 maturity date without premium or penalty, subject to reimbursement of certain lenders’ costs.As of December 31, 2017, the remaining principal balance was $89.2 million. The Company must satisfy certain financial covenants on this term note payable and is subject to other restrictions customary in financings, none of which are expected to adversely impact the operations of the Company. Financial covenants cover, among other things, the maintenance of minimum levels for regulatory capital ratios, consolidated net worth, consolidated return on assets, and holding company liquidity and dividend capacity, and specify a maximum ratio of consolidated nonperforming assets to consolidated total loans and other real estate. The Company was in compliance with all covenants as of December 31, 2017.  

Substantially all of the Company’s other long-term debt consists of borrowings associated with tax credit fund activities. Although these borrowings have indicated maturities through 2053,each is expected to be satisfied at the end of the seven-year compliance period for the related tax credit investments.

Note 10. Derivatives

Risk Management Objective of Using Derivatives

The Company enters into derivative financial instruments to manage risks related to differences in the amount, timing, and duration of the Company’s known or expected cash receipts and its known or expected cash payments, currently related to select pools of variable rate loans. The Bank has also entered into interest rate derivative agreements as a service to certain qualifying customers. The Bank manages a matched book with respect to these customer derivatives in order to minimize their net risk exposure resulting from such agreements. The Bank also enters into risk participation agreements under which it may either sell or buy credit risk associated with a customer’s performance under certain interest rate derivative contracts related to loans in which participation interests have been sold to or purchased from other banks.

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Fair Values of Derivative Instruments on the Balance Sheet

The table below presents the notional amounts and fair values of the Company’s derivative financial instruments as well as their classification in the consolidated balance sheets as of December 31, 2017 and 2016. Effective January 3, 2017, the Company’s central clearing counterparty amended its rulebook to legally characterize variation margin accounts as settlements, rather than being reflected separately as collateral.  As a result of the change, the Company began prospectively reflecting derivative assets and liabilities net of the central clearing counterparty derivative margin account.

						Fair Values (1)
		Notional Amounts				Assets				Liabilities
	Type of	December 31,				December 31,				December 31,
(in thousands)	Hedge	2017		2016		2017		2016		2017		2016
Derivatives designated
as hedging instruments:
Interest rate swaps	Cash Flow	$	875,000	$	1,100,000	$	—	$	—	$	14,020	$	7,787
Interest rate swaps	Fair Value		483,110		—		—		—		2,475		—
		$	1,358,110	$	1,100,000	$	—	$	—	$	16,495	$	7,787
Derivatives not designated
as hedging instruments:
Interest rate swaps (2)	N/A	$	1,144,789	$	979,391	$	15,408	$	18,405	$	15,857	$	18,362
Risk participation agreements	N/A		119,951		84,732		23		50		109		105
Forward commitments to sell
residential mortgage loans	N/A		80,462		75,676		1,000		900		290		221
Interest rate-lock commitments
on residential mortgage loans	N/A		53,724		46,840		186		189		782		228
Foreign exchange forward
contracts	N/A		42,260		56,152		2,453		771		2,419		729
		$	1,441,186	$	1,242,791	$	19,070	$	20,315	$	19,457	$	19,645
Total derivatives		$	2,799,296	$	2,342,791	$	19,070	$	20,315	$	35,952	$	27,432
Less: netting adjustments (3)							(4,913)		—		(21,563)		—
Total derivate assets/liabilities							14,157		20,315		14,389		27,432

(1) Derivative assets and liabilities are reported with other assets or other liabilities, respectively, in the consolidated balance sheets.

(2) The notional amount represents both the customer accommodation agreements and offsetting agreements with unrelated financial institutions.

(3) Represents balance sheet netting of derivative assets and liabilities for variation margin collateral held or placed with the same central clearing counterparty. See offsetting assets and liabilities for further information.

Cash Flow Hedges of Interest Rate Risk

The Company is party to various interest rate swap agreements designated and qualifying as cash flow hedges of the Company’s forecasted variable cash flows for pools of variable rate loans.  For each agreement, the Company receives interest at a fixed rate and pays at a variable rate.  The swap agreements expire as follows:  notional amount of $250 million in2019;  $200 million in 2020;  $425 million in  2022.

During the term of the swap agreements, the effective portion of changes in the fair value of the derivative instruments are recorded in Accumulated Other Comprehensive Income (“AOCI”) and subsequently reclassified into earnings in the periods that the hedged forecasted variable-rate interest payments affects earnings. The impact on AOCI is reflected in Note 11 – Stockholders’ Equity. There was no ineffective portion of the change in fair value of the derivative recognized directly in earnings.

Fair Value Hedges of Interest Rate Risk

During 2017, the Company entered into interest rate swap agreements that modify the Company’s exposure to interest rate risk by effectively converting a portion of the Company’s brokered certificates of deposit from fixed rates to variable rates. The maturities and call features of these interest rate swaps match the features of the hedged deposits. As interest rates fall, the decline in the value of the certificates of deposit is offset by the increase in the value of the interest rate swaps. Conversely, as interest rates rise, the value of the underlying hedged deposits increases, but the value of the interest rate swaps decreases, resulting in no impact on earnings. Interest expense is adjusted by the difference between the fixed and floating rates for the period the swaps are in effect. Hedge ineffectiveness on these transactions results in an increase or decrease in noninterest income.

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Derivatives Not Designated as Hedges

Customer interest rate derivative program

The Bank enters into interest rate derivative agreements, primarily rate swaps, with commercial banking customers to facilitate their risk management strategies. The Bank enters into offsetting agreements with unrelated financial institutions, thereby mitigating its net interest rate risk exposure resulting from such transactions. Because the interest rate derivatives associated with this program do not meet hedge accounting requirements, changes in the fair value of both the customer derivatives and the offsetting derivatives are recognized directly in earnings.

Risk participation agreements

The Bank also enters into risk participation agreements under which it may either assume or sell credit risk associated with a borrower’s performance under certain interest rate derivative contracts. In those instances where the Bank has assumed credit risk, it is not a direct counterparty to the derivative contract with the borrower and have entered into the risk participation agreement because it is a party to the related loan agreement with the borrower. In those instances in which the Bank has sold credit risk, it is the sole counterparty to the derivative contract with the borrower and has entered into the risk participation agreement because other banks participate in the related loan agreement. The Bank manages its credit risk under risk participation agreements by monitoring the creditworthiness of the borrower, based on the Bank’s normal credit review process.

Mortgage banking derivatives

The Bank also enters into certain derivative agreements as part of their mortgage banking activities. These agreements include interest rate lock commitments on prospective residential mortgage loans and forward commitments to sell these loans to investors on a best efforts delivery basis.

Customer foreign exchange forward contract derivatives

The Bank enters into foreign exchange forward derivative agreements, primarily forward currency contracts, with commercial banking customers to facilitate their risk management strategies. The Bank manages its risk exposure from such transactions by entering into offsetting agreements with unrelated financial institutions. Because the foreign exchange forward contract derivatives associated with this program do not meet hedge accounting requirements, changes in the fair value of both the customer derivatives and the offsetting derivatives are recognized directly in earnings.

Effect of Derivative Instruments on the Income Statement

Derivative income consisting primarily of customer interest rate swap fees, net of fair value adjustments, is reflected in the income statement in other noninterest income, totaling $5.9 million,  $5.2 million and $2.7million for the years ended December 31, 2017,  2016 and 2015, respectively. The impact to interest income from cash flow hedges was $(0.3) million,  $2.3 million, and $2.1 million for the years ended December 31, 2017,  2016, and 2015 respectively. The impact to interest income of the fair value hedge entered into in 2017 was $(0.8) million. The impact to noninterest income was minimal.

Credit Risk-Related Contingent Features

Certain of the Bank’s derivative instruments contain provisions allowing the financial counterparty to terminate the contracts in certain circumstances, such as the downgrade of the Bank’s credit ratings below specified levels, a default by the Bank on its indebtedness, or the failure of the Bank to maintain specified minimum regulatory capital ratios or its regulatory status as a well-capitalized institution. These derivative agreements also contain provisions regarding the posting of collateral by each party. As of December 31, 2017, the aggregate fair value of derivative instruments with credit-risk-related contingent features that were in a net liability position was $1.8 million, for which the Bank had posted collateral of $4.1 million.

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Offsetting Assets and Liabilities

The Bank’s derivative instruments to certain counterparties contain legally enforceable netting provisions that allow for net settlement of multiple transactions to a single amount, which may be positive, negative, or zero. Agreements with certain bilateral counterparties require both parties to maintain collateral in the event that the fair values of derivative instruments exceed established exposure thresholds. For centrally cleared derivatives, the Company is subject to initial margin posting and daily variation margin exchange with the central clearinghouses. As noted above, effective January 3, 2017, the Company began to reflect its derivative assets and liabilities net of the central clearing party variation margin account in the Statement of Income. Offsetting information in regards to derivative assets and liabilities subject to these master netting agreements at December 31, 2017 and December 31, 2016 is presented in the following tables:

As of December 31, 2017
			Gross Amounts Offset in the		Net Amounts  Presented in the		Gross Amounts Not Offset in the Statement of Financial Position
(in thousands)	Gross Amounts Recognized		Statement of Financial Position		Statement of Financial Position		Financial Instruments		Cash Collateral		Net Amount
Derivative Assets	$	7,155	$	(5,007)	$	2,148	$	2,148	$	—	$	—
Derivative Liabilities	$	24,015	$	(20,077)	$	3,938	$	2,148	$	4,099	$	(2,309)

As of December 31, 2016
			Gross Amounts Offset in the		Net Amounts  Presented in the		Gross Amounts Not Offset in the Statement of Financial Position
(in thousands)	Gross Amounts Recognized		Statement of Financial Position		Statement of Financial Position		Financial Instruments		Cash Collateral		Net Amount
Derivative Assets	$	4,788	$	—	$	4,788	$	4,788	$	—	$	—
Derivative Liabilities	$	26,846	$	—	$	26,846	$	4,788	$	19,095	$	2,963

The Company has excess collateral compared to total exposure due to initial margin requirements for day-to-day rate volatility.

Note 11. Stockholders’ Equity

Stock Issuance

On December 16, 2016, the Company completed the issuance and sale of 6.3 million shares of common stock at a purchase price of $41.00 per share for total proceeds of $259 million, net of issuance cost.A portion of the proceeds were to support the purchase of assets in the FNBC I transaction.

Stock Repurchase Program

On August 28, 2015, the Company’s Board of Directors approved a stock repurchase plan that authorized the repurchase of up to 5%, or approximately 3.9 million shares of its outstanding common stock, until it expired on September 2016.  There were no shares repurchased under this plan in 2016 and 2017.

Common Shares Outstanding

Shares outstanding exclude treasury shares of 1.2 million and 1.3 million at December 31, 2017 and 2016, respectively, with a first-in-first-out cost basis of $25.5 millionand $24.1 million at December 31, 2017 and 2016, respectively.  Shares outstanding also exclude unvested restricted share awards of 1.5 million and 2.0 million at December 31, 2017 and 2016, respectively.

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Accumulated Other Comprehensive Income (Loss)

A roll forward of the components of AOCI is included as follows:

(in thousands)	Available for Sale Securities		HTM Securities Transferred from AFS		Employee Benefit Plans		Cash Flow Hedges		Total
Balance, December 31, 2014	$	18,001	$	(19,074)	$	(48,626)	$	(375)	$	(50,074)
Net change in unrealized gain (loss)		(21,581)		—		—		311		(21,270)
Reclassification of net loss realized
and included in earnings		(165)		—		3,175		—		3,010
Valuation adjustment for employee benefit plans		—		—		(33,971)		—		(33,971)
Amortization of unrealized net loss on securities
transferred to held to maturity		—		3,530		—		—		3,530
Income tax expense (benefit)		(8,013)		1,251		(11,532)		114		(18,180)
Balance, December 31, 2015	$	4,268	$	(16,795)	$	(67,890)	$	(178)	$	(80,595)
Net change in unrealized (loss) gain		(49,839)		—		—		(7,507)		(57,346)
Reclassification of net (gain) loss realized
and included in earnings		(1,912)		—		5,928		—		4,016
Valuation adjustment for employee benefit plans		—		—		(12,748)		—		(12,748)
Amortization of unrealized net loss on securities
transferred to held to maturity		—		3,830		—		—		3,830
Income tax expense (benefit)		(18,804)		1,427		(2,209)		(2,725)		(22,311)
Balance, December 31, 2016	$	(28,679)	$	(14,392)	$	(72,501)	$	(4,960)	$	(120,532)
Net change in unrealized loss		6,903		—		—		(7,328)		(425)
Reclassification of net (gain) loss realized
and included in earnings		—		—		5,201		600		5,801
Valuation adjustment for pension plan amendment		—		—		17,315		—		17,315
Other valuation adjustment for employee benefit plans		—		—		(10,929)		—		(10,929)
Amortization of unrealized net loss on securities
transferred to held to maturity		—		3,786		—		—		3,786
Income tax expense (benefit)		1,067		1,393		4,228		(2,600)		4,088
Reclassification of certain tax effects (a)		6,669		2,586		13,936		2,139		25,330
Balance, December 31, 2017	$	(29,512)	$	(14,585)	$	(79,078)	$	(11,227)	$	(134,402)

(a) Represents the reclassification of stranded income tax effects to Retained Earnings upon adoption of ASU 2018-02. The adjustment is discussed in more detail later in this footnote. 

AOCI is reported as a component of stockholders’ equity. AOCI includes unrealized gains and losses on available for sale (“AFS”) securities and unrealized losses on AFS securities that were transferred to held to maturity (“HTM”) securities in the third quarter of 2013. Such amounts on the transferred securities will be amortized over the estimated remaining life of the security as an adjustment to yield, offsetting the related amortization of the net premium created in the transfer. Subject to certain thresholds, unrealized losses on employee benefit plans will be reclassified into income as pension and post retirement costs are recognized over the remaining service period of plan participants. Accumulated gains/losses on the cash flow hedge of the variable-rate loans described in Note 10 - Derivatives will be reclassified into income over the life of the hedge. Gains (losses) in AOCI are net of deferred income taxes.

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The following table shows the line items in the consolidated statements of income affected by amounts reclassified from AOCI:

Amount reclassified from AOCI (a)	Year Ended December 31,				Increase (decrease) in affected line
(in thousands)	2017		2016		item in the income statement
Gain on sale of AFS securities	$	—	$	1,912	Securities gains
Tax effect		—		(694)	Income taxes
Net of tax		—		1,218	Net income
Amortization of unrealized net loss on
securities transferred to HTM	$	(3,786)	$	(3,830)	Interest income
Tax effect		1,393		1,427	Income taxes
Net of tax		(2,393)		(2,403)	Net income
Amortization of defined benefit pension and
post-retirement items (b)	$	(5,201)	$	(5,928)	Employee benefits expense
Tax effect		1,898		1,920	Income taxes
Net of tax		(3,303)		(4,008)	Net income
Amortization of loss on terminated cash flow hedges		(600)		—	Interest expense
Tax effect		232		—	Income taxes
Net of tax		(368)		—	Net income
Total reclassifications, net of tax	$	(6,064)	$	(5,193)	Net income

(a) Amounts in parenthesis indicate reduction in net income.

(b) These AOCI components are included in the computation of net periodic pension and post-retirement cost that is reported with employee benefits expense (see footnote 16 for additional information).

Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income

The Company retrospectively adopted ASU 2018-02, “Income Statement – Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income.”  The ASU was issued by the FASB in February 2018 to address the issue of other comprehensive income or loss that became stranded in AOCI as a result of the re-measurement of an entity’s deferred income tax assets and liabilities following the reduction of the U.S. federal corporate tax rate from 35% to 21%.  In accordance with the guidance, the Company reclassified $25.3 million from Accumulated Other Comprehensive Loss to Retained Earnings.  Refer to Note 1 – Summary of Significant Accounting Policies and Recent Accounting Pronouncements and Note 13 – Income Taxes for further discussion.

Regulatory Capital

Measures of regulatory capital are an important tool used by regulators to monitor the financial health of financial institutions. The primary quantitative measures used to gauge capital adequacy are Common equity tier 1, Tier 1 and Total regulatory capital to risk-weighted assets (risk-based capital ratios) and the Tier 1 capital to average total assets (leverage ratio). Both the Company and the Bank subsidiary are required to maintain minimum risk-based capital ratios of 8.0% total capital, 4.5% Tier 1 Common Equity, and 6.0% Tier 1 capital. The minimum leverage ratio is 3.0% for bank holding companies and banks that meet certain specified criteria, including having the highest supervisory rating. All others are required to maintain a leverage ratio of at least 4.0%.

To evaluate capital adequacy, regulators compare an institution’s regulatory capital ratios with their agency guidelines, as well as with the guidelines established as part of the uniform regulatory framework for prompt corrective supervisory action toward financial institutions. The framework for prompt corrective action categorizes capital levels into one of five classifications rating from well-capitalized to critically under-capitalized. For an institution to be eligible to be classified as well capitalized its total risk-based capital ratios must be at least 10.0% for total capital, 6.5% for Tier 1 Common Equity and 8.0% for Tier 1 capital, and its leverage ratio must be at least 5.0%. In reaching an overall conclusion on capital adequacy or assigning a classification under the uniform framework, regulators also consider other subjective and quantitative measures of risk associated with an institution. The Company and the Bank were deemed to be well capitalized based upon the most recent notifications from their regulators. There are no conditions or events since those notifications that management believes would change the classifications. At December 31, 2017 and 2016, the Company and the Bank were in compliance with all of their respective minimum regulatory capital requirements.

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Following is a summary of the actual regulatory capital amounts and ratios for the Company and the Bank together with corresponding regulatory capital requirements at December 31, 2017 and 2016:

	Actual			Required for Minimum Capital Adequacy			Required To Be Well Capitalized
($ in thousands)	Amount		Ratio %	Amount		Ratio %	Amount		Ratio %
At December 31, 2017
Tier 1 leverage capital
Company	$	2,214,723	8.43	$	1,051,025	4.00	$	1,313,781	5.00
Whitney Bank		2,282,485	8.72		1,046,644	4.00		1,308,305	5.00
Common equity tier 1 (to risk weighted assets)
Company	$	2,214,723	10.21	$	976,303	4.50	$	1,410,216	6.50
Whitney Bank		2,282,485	10.54		974,362	4.50		1,407,412	6.50
Tier 1 capital (to risk weighted assets)
Company	$	2,214,723	10.21	$	1,301,738	6.00	$	1,735,650	8.00
Whitney Bank		2,282,485	10.54		1,299,150	6.00		1,732,200	8.00
Total capital (to risk weighted assets)
Company	$	2,582,031	11.90	$	1,735,650	8.00	$	2,169,563	10.00
Whitney Bank		2,499,793	11.55		1,732,200	8.00		2,165,250	10.00
At December 31, 2016
Tier 1 leverage capital
Company	$	2,184,812	9.56	$	914,520	4.00	$	1,143,150	5.00
Whitney Bank		2,011,719	8.83		911,091	4.00		1,138,864	5.00
Common equity tier 1 (to risk weighted assets)
Company	$	2,184,812	11.26	$	873,192	4.50	$	1,261,277	6.50
Whitney Bank		2,011,719	10.39		871,361	4.50		1,258,633	6.50
Tier 1 capital (to risk weighted assets)
Company	$	2,184,812	11.26	$	1,164,256	6.00	$	1,552,341	8.00
Whitney Bank		2,011,719	10.39		1,161,815	6.00		1,549,086	8.00
Total capital (to risk weighted assets)
Company	$	2,564,230	13.21	$	1,552,341	8.00	$	1,940,427	10.00
Whitney Bank		2,241,137	11.57		1,549,086	8.00		1,936,358	10.00

Regulatory Restrictions on Dividends

Regulatory policy statements provide that generally bank holding companies should pay dividends only out of current operating earnings and that the level of dividends must be consistent with current and expected capital requirements. Dividends received from the Bank have been the primary source of funds available to the Company for the payment of dividends to its stockholders. Federal and state banking laws and regulations restrict the amount of dividends the Bank may distribute to Hancock without prior regulatory approval, as well as the amount of loans it may make to the Company. Dividends paid by the Bank are subject to approval by the Commissioner of Banking and Consumer Finance of the State of Mississippi.

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Note 12. Other Noninterest Income and Other Noninterest Expense

The components of other noninterest income and other noninterest expense are as follows:

	Years Ended December 31,
(in thousands)	2017		2016		2015
Other noninterest income:
Income from bank-owned life insurance	$	11,473	$	13,596	$	10,881
Credit-related fees		11,140		9,926		11,057
Income from derivatives		5,870		5,196		2,745
Gain on sales of assets		7,478		7,814		186
Other miscellaneous income		13,814		10,950		11,092
Total other noninterest income	$	49,775	$	47,482	$	35,961
Other noninterest expense:
Advertising	$	15,031	$	10,938	$	11,225
Ad valorem and franchise taxes		12,797		8,741		10,498
Printing and supplies		5,139		4,422		4,851
Travel		5,043		4,268		5,331
Entertainment and contributions		8,260		7,122		6,723
Tax credit investment amortization		4,850		4,263		8,513
Loss share agreement termination		6,603		—		—
Other miscellaneous expense		24,913		32,810		25,062
Total other noninterest expense	$	82,636	$	72,564	$	72,203

Note 13. Income Taxes

Income tax expense included in net income consisted of the following components:

	Years Ended December 31,
(in thousands)	2017		2016		2015
Included in net income
Current federal	$	38,859	$	43,777	$	17,378
Current state		4,112		1,689		4,241
Total current provision		42,971		45,466		21,619
Deferred federal		48,653		(6,127)		15,457
Deferred state		1,178		(1,712)		1,228
Total deferred provision		49,831		(7,839)		16,685
Total included in net income	$	92,802	$	37,627	$	38,304

On December 22, 2017, the Tax Cuts and Jobs Act (“Tax Act”) was signed into law.  The Tax Act made significant changes to U.S. corporate income tax by, among other things, reducing the corporate federal income tax rate from 35% to 21%, eliminating or reducing certain deductions, and providing for immediate expensing of certain qualified property.  U.S. GAAP requires the effects of changes in tax rates and laws upon deferred tax balances to be recognized in the period in which the legislation is enacted. Accordingly, the Company re-measured its deferred tax assets and liabilities based upon the newly enacted U.S. statutory federal income tax rate of 21%, which is the tax rate at which these assets and liabilities are expected to reverse in the future. The re-measurement resulted in a $19.5 million charge to income tax expense for the year ended December 31, 2017, comprised of $25.3 million of expense related to certain items included within AOCI, and a provisional income tax benefit of $5.8 million related to items included in continuing operations.

The provisional benefit is a reasonable estimate as the Company has not completed its analysis of the impact of the Tax Act and the related calculations that could affect the measurement of deferred tax assets and liabilities arising from items included in Company operations. The SEC’s Staff Accounting Bulletin No. 118 permits the recording of provisional amounts related to the impact of the Tax Act during a measurement period which is not to exceed one year from the enactment date of the Tax Act. Adjustments to the provisional amount may occur during the measurement period as the Company continues to collect information, finalize calculations and interpret any additional guidance provided by the IRS or other regulatory agencies.  Any such adjustments may materially impact income tax expense in the period in which the adjustments are made.

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Except for the charge due to the re-measurement of the net deferred tax asset related to AOCI, income tax expense does not reflect the tax effects of amounts recognized in other comprehensive income and in AOCI, a separate component of stockholders’ equity.  These amounts include unrealized gains and losses on securities available for sale or transferred to held to maturity, unrealized gains and losses on derivatives and hedging transactions, and valuation adjustments of defined benefit and other post-retirement benefit plans. Refer to Note 11 for additional information on stockholder’s equity and AOCI.

Temporary differences arise between the tax bases of assets or liabilities and their carrying amounts for financial reporting purposes. The expected tax effects from when these differences are resolved are recorded currently as deferred tax assets or liabilities.

Significant components of the Company’s deferred tax assets and liabilities were as follows:

	December 31,
(in thousands)	2017		2016
Deferred tax assets:
Allowance for loan losses	$	51,517	$	89,120
Employee compensation and benefits		9,783		28,401
Loan purchase accounting adjustments		6,441		12,047
Tax credit carryforward		21,274		29,085
Securities		12,250		23,169
State net operating loss		1,979		1,690
Other		15,407		14,583
Gross deferred tax assets		118,651		198,095
State valuation allowance		(1,979)		(1,690)
Subtotal valuation allowance		(1,979)		(1,690)
Net deferred tax assets		116,672		196,405
Deferred tax liabilities:
Fixed assets & intangibles		(56,526)		(74,518)
FDIC indemnification asset		—		(6,293)
Other		(6,167)		(11,159)
Gross deferred tax liabilities		(62,693)		(91,970)
Net deferred tax asset	$	53,979	$	104,435

Reported income tax expense differed from amounts computed by applying the statutory income tax rate of 35% to earnings before income taxes. The primary differences are due to tax-exempt income, federal and state tax credits and, for 2017, excess tax benefits from stock-based compensation and tax expense due to enactment of the Tax Act. The main source of tax credits has been investments in tax-advantaged securities and tax credit projects. See the table in the income tax section of the MD&A for additional information regarding federal and state tax credits. A summary of the factors that impacted income tax expense follows.

	Years Ended December 31,
	2017				2016				2015
($ in thousands)	Amount		%		Amount		%		Amount		%
Taxes computed at statutory rate	$	107,952	35.0	%	$	65,423	35.0	%	$	59,418	35.0	%
Increases (decreases) in taxes resulting from:
State income taxes, net of federal income
tax benefit		4,737	1.5			1,917	1.0			2,595	1.5
Tax-exempt interest		(18,870)	(6.1)			(14,497)	(7.8)			(7,849)	(4.6)
Life insurance contracts		(5,360)	(1.7)			(4,833)	(2.6)			(3,798)	(2.2)
Tax credits		(9,374)	(3.0)			(10,518)	(5.6)			(12,495)	(7.4)
Employee share-based compensation		(5,824)	(1.9)			—	—			—	—
Impact of deferred tax asset re-measurement		19,520	6.3			—	—			—	—
Other, net		21	—			135	0.1			433	0.3
Income tax expense	$	92,802	30.1	%	$	37,627	20.1	%	$	38,304	22.6	%

As of December 31, 2017, the Company had approximately $21.3 million in federal and state tax credit carryforwards that originated in the tax years from 2011 through 2017. The federal and state carryforwards begin expiring in 2035 and 2021, respectively. These carryforwards are primarily from investments in federal and state NMTC projects and federal AMT credit. The Tax Act permanently repealed the corporate alternative minimum tax (“AMT”) beginning after December 31, 2017. The AMT credit carryforward can be utilized to offset the regular tax liability with any remaining carryforward refundable by 2022. As of December 31, 2017, the AMT

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credit carryover of $10.2 million is recorded in the deferred tax asset balance. The Company expects to recover the entire amount through a reduction of its regular tax liability.

The Company had approximately $31.4 millionin state net operating loss carryforwards that originated in the tax years 2004 through 2017 and that begin expiring in 2024. A valuation allowance has been established for the state net operating loss carryforwards. The impact of this valuation allowance is immaterial to the financial statements.

The tax benefit of a position taken or expected to be taken in a tax return should be recognized when it is more likely than not that the position will be sustained on its technical merits. The liability for unrecognized tax benefits was immaterial at December 31, 2017, 2016 and 2015. The Company does not expect the liability for unrecognized tax benefits to change significantly during 2018.  The Company recognizes interest and penalties, if any, related to income tax matters in income tax expense, and the amounts recognized during 2017, 2016 and 2015 were insignificant.  

The Company and its subsidiaries file a consolidated U.S. federal income tax return, as well as filing various state returns. Generally, the returns for years prior to 2014 are no longer subject to examination by taxing authorities.

Note 14. Earnings Per Share

Earnings per share is calculated using the two-class method. The two-class method allocates net income to each class of common stock and participating security according to common dividends declared and participation rights in undistributed earnings. Participating securities consist of unvested share-based payment awards that contain nonforfeitable rights to dividends or dividend equivalents.

A summary of the information used in the computation of earnings per common share follows:

	Years Ended December 31,
($ in thousands, except per share data)	2017		2016		2015
Numerator:
Net income to common shareholders	$	215,632	$	149,296	$	131,461
Net income allocated to participating securities -- basic and diluted		4,670		3,598		2,895
Net income allocated to common shareholders - basic and diluted	$	210,962	$	145,698	$	128,566
Denominator:
Weighted-average common shares - basic		84,695		77,850		78,197
Dilutive potential common shares		268		99		110
Weighted average common shares - diluted		84,963		77,949		78,307
Earnings per common share:
Basic	$	2.49	$	1.87	$	1.64
Diluted	$	2.48	$	1.87	$	1.64

Potential common shares consist of employee and director stock options, unvested performance share awards, and deferred restricted units. These potential common shares do not enter into the calculation of diluted earnings per share if the impact would be anti-dilutive, i.e., increase earnings per share or reduce a loss per share. Weighted-average anti-dilutive potential common shares totaled 10,551 for the year ended December 31, 2017,572,512 for the year ended December 31, 2016, and 798,623 for the year ended December 31, 2015.  

Note 15. Segment Reporting

Accounting standards require that information be reported about a company’s operating segments using a “management approach.” Reportable segments are identified in these standards as those revenue-producing components for which discrete financial information is produced internally and which are subject to evaluation by the chief operating decision maker in deciding how to allocate resources to segments. On March 31, 2014, the Company combined its two state bank charters into one charter. Due to the charter change, and consistent with its stated strategy that is focused on providing a consistent package of community banking products and services across all markets, the Company has identified its overall banking operations as its only reportable segment. Because the overall banking operations comprise substantially all of the consolidated operations, no separate segment disclosures are presented.

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Note 16. Retirement Benefit Plans

The Company offers a qualified defined benefit pension plan, the Hancock Holding Company Pension Plan and Trust Agreement (“Pension Plan”), covering certain eligible associates. Eligibility is based on minimum age and service-related requirements.During the second quarter of 2017, the Pension Plan was amended to exclude any individual hired or rehired by the Company after June 30, 2017 from eligibility to participate. The Pension Plan amendment further provides that the accrued benefits of each participant in the Pension Plan whose combined age plus years of service as of January 1, 2018 totals less than 55 will be frozen as of January 1, 2018 and will not thereafter increase. As a result of the plan amendments, pension assets and the benefit obligations were re-measured as of June 30, 2017. The impact of the amendment to the benefit obligation was a reduction of $17.3 million. The Company makes contributions to this pension plan in amounts sufficient to meet funding requirements set forth in federal employee benefit and tax laws, plus such additional amounts as the Company may determine to be appropriate. The Company does not anticipate making a contribution to the pension plan during 2018.

The Company also offers a defined contribution retirement benefit plan (401(k) plan), the Hancock Holding Company 401(k) Savings Plan and Trust Agreement (“401(k) Plan”), that covers substantially all associates who have been employed 60 days and meet a minimum age requirement and employment classification criteria. The Company matches 100% of the first 1% of compensation saved by a participant, and 50% of the next 5% of compensation saved. Newly eligible associates are automatically enrolled at an initial 3% savings rate unless the associate actively opts out of participation in the plan. The 401(k) Plan was also amended during the second quarter of 2017 for participants whose benefits are frozen under the Pension Plan to add an enhanced Company contribution beginning January 1, 2018, in the amount of 2%,  4% or 6% of such participant’s eligible compensation, based on the participant’s age and years of service with the Company. The 401(k) Plan’s amendment further provides that the Company will contribute to the benefit of those associates of the Company hired or rehired after June 30, 2017 and those associates of the Company never enrolled in the Pension Plan an additional basic contribution in an amount equal to 2% of the associate’s eligible compensation beginning January 1, 2018. Participants will vest in the new basic and enhanced Company contributions upon completion of three years of service. 

The Company’s 401(k) plan matching expensetotaled$8.4 million, $7.7 million and $7.4 million for the years ended December 31, 2017, 2016 and 2015, respectively.

Certain associates who were designated executive officers of Whitney Holding Company and/or Whitney National Bank before the acquisition by the Company are also covered by an unfunded nonqualified defined benefit pension plan. The benefits under this nonqualified plan were designed to supplement amounts to be paid under the defined benefit plan previously maintained for employees of Whitney Holding Company and/or Whitney National Bank (the “Whitney Pension Plan”), and are calculated using the Whitney Pension Plan’s formula, but without applying the restrictions imposed on qualified plans by certain provisions of the Internal Revenue Code. Accrued benefits under this plan were frozen as of December 31, 2012 in connection with the merger of the Whitney Pension Plan into the Company’s qualified defined benefit pension plan, and no future benefits will be accrued under this plan.

The Company also sponsors defined benefit postretirement plans for certain associates. The Hancock postretirement plans are available only to associates hired by the Company prior to January 1, 2000. The Hancock plans provide health care and life insurance benefits to retiring associates who participate in medical and/or group life insurance benefit plans for active associates and have reached 55 years of age with ten years of service, at the time of retirement. The postretirement health care plan is contributory, with retiree contributions adjusted annually and subject to certain employer contribution maximums.

The Whitney postretirement plans are available only to former employees of Whitney Holding Company and/or Whitney National Bank who meet the eligibility requirements, and offer health care and life insurance benefits for eligible retirees and their eligible dependents. Participant contributions are required under the health plan. These plans restrict eligibility for postretirement health benefits to retirees already receiving benefits as of the date of the plan amendments in 2007 and to those active participants who were eligible to receive benefits as of December 31, 2007 (i.e., were age 55 with ten years of credited service). Life insurance benefits are currently only available to associates who retired before December 31, 2007.

The Company assumed certain trends in health care costs in the determination of the benefit obligations. At December 31, 2017, the plans assumed a 8.0% increase in the pre- and post-Medicare age health costs for 2018, declining over a period of ten years to a 5.0% annual rate. At December 31, 2017, the mortality assumption was based on Revised RP-2014 Employee and Healthy Annuitants Bottom Quartile Generational Mortality Table forMales and Females - Projected with Improvement Scale MP-2017. At December 31, 2016, the mortality assumption was based on the Revised RP-2014 Employee Health Annuitants Bottom Quartile Table for Males and Females, with projected improvement MP-2016.  In 2016, the post-retirement benefit plan was amended to change post-65 coverage resulting in a re-measurement of the benefit obligation.

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The following tables detail the changes in the benefit obligations and plan assets of the defined benefit plans for the years ended December 31, 2017 and 2016 as well as the funded status of the plans at each year end and the amounts recognized in the Company’s balance sheets. The Company uses a December 31 measurement date for all defined benefit pension plans and other postretirement benefit plans.

	2017		2016		2017		2016
(in thousands)	Pension Benefits				Other Post- Retirement Benefits
Change in benefit obligation
Benefit obligation:
at beginning of year	$	479,281	$	462,819	$	22,481	$	22,281
Service cost		15,381		14,098		129		170
Interest cost		16,514		16,907		668		773
Plan participants' contributions		—		—		636		1,269
Plan amendments		(17,315)		—		—		(1,224)
Net actuarial loss		39,419		16,944		993		1,844
Benefits paid		(19,436)		(31,487)		(1,871)		(2,632)
Benefit obligation, end of year		513,844		479,281		23,036		22,481
Change in plan assets
Fair value of plan assets:
at beginning of year		515,555		491,550		—		—
Actual return on plan assets		68,307		40,375		—		—
Employer contributions		1,132		16,123		1,235		1,363
Plan participants' contributions		—		—		636		1,269
Benefit payments		(19,436)		(31,487)		(1,871)		(2,632)
Expenses		(1,193)		(1,006)		—		—
Fair value of plan assets, end of year		564,365		515,555		—		—
Funded status at end of year - net asset (liability)	$	50,521	$	36,274	$	(23,036)	$	(22,481)
Amounts recognized in accumulated other   comprehensive loss
Unrecognized loss:
at beginning of year	$	115,910	$	109,565	$	(2,078)	$	(2,553)
Net actuarial loss (gain)		(12,932)		6,345		1,346		475
Unrecognized loss at end of year	$	102,978	$	115,910	$	(732)	$	(2,078)
Projected benefit obligation	$	513,844	$	479,281
Accumulated benefit obligation		489,075		443,261
Fair value of plan assets		564,365		515,555

The net funded status of $50.5 million for pension benefits plans includes an excess of plan assets over the benefit obligation of $66.2 million on the defined benefit pension plan, offset by an unfunded benefit obligation of $15.7 million for the nonqualified retirement plan.

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The following table shows net periodic benefit cost included in expense and the changes in the amounts recognized in AOCI during 2017,  2016, and 2015.  

	Years Ended December 31,
	2017		2016		2015		2017		2016		2015
($ in thousands)	Pension Benefits						Other Post-Retirement Benefits
Net periodic benefit cost
Service cost	$	15,381	$	14,098	$	13,511	$	129	$	170	$	117
Interest cost		16,514		16,907		18,635		668		773		891
Expected return on plan assets		(37,632)		(34,554)		(32,833)		—		—		—
Amortization of net loss/ prior service cost		5,554		5,783		3,169		(353)		145		6
Net periodic benefit cost		(183)		2,234		2,482		444		1,088		1,014
Other changes in plan assets and benefit obligations recognized in other comprehensive income, before taxes
Net (loss) gain recognized during the year		(5,554)		(5,783)		(3,169)		353		(145)		(6)
Net actuarial loss (gain)		(7,378)		12,128		39,876		993		620		(5,905)
Total recognized in other comprehensive income		(12,932)		6,345		36,707		1,346		475		(5,911)
Total recognized in net periodic benefit cost and other comprehensive income	$	(13,115)	$	8,579	$	39,189	$	1,790	$	1,563	$	(4,897)
Discount rate for benefit obligations		3.57%		4.10%		4.40%		3.52%		3.95%		4.32%
Discount rate for net periodic benefit cost		4.10%		4.40%		4.11%		3.95%		4.32%		4.02%
Expected long-term return on plan assets		7.25%		7.25%		7.50%		n/a		n/a		n/a
Rate of compensation increase		scaled *		scaled *		scaled *		n/a		n/a		n/a

*     Graded scale, declining from 7.00% at age 20 to 2.00% at age 60

The long term rate of return on plan assets is determined by using the weighted-average of historical real returns for major asset classes based on target asset allocations.  The discount rates for the benefit obligation were calculated by matching expected future cash flows to the BPSM-AA Only Pension Discount Curve for 2017 and to the Wells Fargo Pension Discount Curve Liability Index for 2016.  

The following shows expected plan benefit payments over the ten years following December 31, 2017:

(in thousands)	Pension		Post-Retirement		Total
2018	$	21,143	$	1,346	$	22,489
2019		21,869		1,364		23,233
2020		22,882		1,350		24,232
2021		23,881		1,404		25,285
2022		24,824		1,320		26,144
2023-2027		140,214		6,394		146,608
	$	254,813	$	13,178	$	267,991

The expected benefit payments are estimated based on the same assumptions used to measure the Company’s benefit obligations at December 31, 2017.  

The estimated amounts of actuarial loss that will be amortized from accumulated other comprehensive loss into net periodic benefit cost over the next year is $4.0million.

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The following table illustrates the effect on the annual periodic postretirement benefit costs and postretirement benefit obligation of a 1% increase or 1% decrease in the assumed health care cost trend rates from the rates assumed at December 31, 2017:  

	1% Decrease		Assumed		1% Increase
(in thousands)	in Rates		Rates		in Rates
Aggregated service and interest cost	$	722	$	797	$	889
Postretirement benefit obligation		20,964		23,036		25,564

The fair values of pension plan assets at December 31, 2017 and 2016, by asset category, are shown in the following tables. The fair value is presented based on the Financial Accounting Standards Board’s fair value hierarchy that prioritizes inputs into the valuation techniques used to measure fair value.  Level 1 uses quoted prices in active markets for identical assets, Level 2 uses significant observable inputs, and Level 3 uses significant unobservable inputs. In accordance with Subtopic 820-10 common trust funds are reported at fair value using net asset value per share (or its equivalent) as a practical expedient and are not classified in the fair value hierarchy.

For all investments, the plan attempts to use quoted market prices of identical assets on active exchanges, or Level 1 measurements. Where such quoted market prices are not available, the plan will use quoted prices for similar instruments or discounted cash flows to estimate the value, reported as Level 2.

	December 31, 2017
Fair Value Measurements by Asset Category / Fund		Level 1		Level 2		Level 3	Total
(in thousands)
Cash and equivalents	$	5,496	$	—	$	—	$	5,496
Total cash and cash equivalents		5,496		—		—		5,496
Fixed income securities		—		113,169		162		113,331
Mutual fund-fixed income		31,839		—		—		31,839
Total fixed income		31,839		113,169		162		145,170
Domestic and foreign stock		102,416		6		—		102,422
Mutual funds-equity		168,299		—		—		168,299
Total equity		270,715		6		—		270,721
Real assets fund		—		—		—		—
Total assets at fair value		308,050		113,175		162		421,387
Common trust funds (fixed income)		—		—		—		114,068
Common trust fund (real assets)		—		—		—		28,910
Total	$	308,050	$	113,175	$	162	$	564,365

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	December 31, 2016
Fair Value Measurements by Asset Category / Fund		Level 1		Level 2		Level 3		Total
(in thousands)
Cash and equivalents	$	15,568	$	—	$	—	$	15,568
Total cash and cash equivalents		15,568		—		—		15,568
Fixed income securities		—		136,085		—		136,085
Mutual fund-fixed income		48,805		—		—		48,805
Total fixed income		48,805		136,085		—		184,890
Domestic and foreign stock		104,455		6		—		104,461
Mutual funds-equity		157,630		—		—		157,630
Total equity		262,085		6		—		262,091
Real assets fund		27,690		—		—		27,690
Total assets at fair value		354,148		136,091		—		490,239
Common trust fund (fixed income)		—		—		—		25,316
Total	$	354,148	$	136,091	$	—	$	515,555

The following table presents the percentage allocation of the plan assets by asset category and corresponding target allocations at December 31, 2017 and 2016.

	Plan Assets				Target Allocation
	at December 31,				at December 31,
Asset category	2017		2016		2017	2016
Cash and equivalents	1	%	3	%	0 - 5%	0 - 5%
Fixed income securities	46		41		35 - 63%	25 - 65%
Equity securities	48		51		35 - 51%	30 - 60%
Real assets	5		5		0 - 12%	0 - 10%
	100	%	100	%

Plan assets are invested in long-term strategies and evaluated within the context of a long-term investment horizon. Plan assets will be diversified across multiple asset classes so as to minimize the risk of large losses. Short-term fluctuations in value will be considered secondary to long-term results. The Company employs a total return approach whereby a diversified mix of asset class investments are used to maximize the long-term return of plan assets for an acceptable level of risk. Risk tolerance is established through careful consideration of the plan liabilities, plan funded status and the Company’s financial condition. The investment performance of the plan is regularly monitored to ensure that appropriate risk levels are being taken and to evaluate returns versus a suitable market benchmark. The benefits investment committee meets periodically to review the policy, strategy, and performance of the plans.

Note 17. Share-Based Payment Arrangements

The Company maintains incentive compensation plans that incorporate share-based payment arrangements for associates and directors. The current plan under which share-based awards may be granted, the 2014 Long Term Incentive Plan (the “2014 Plan”), was approved by the Company’s stockholders at the 2014 annual meeting as a successor to the Company’s 2005 Long-Term Incentive Plan (the “2005 Plan”). Certain share-based awards remain outstanding under the 2005 Plan and prior equity incentive compensation plans, but no future awards may be granted thereunder.

The Compensation Committee of the Company’s Board of Directors administers the equity incentive plans, makes determinations with respect to participation by employees or directors and authorizes the share-based awards. Under the 2014 Plan, participants may be awarded stock options (including incentive stock options for associates), restricted shares, performance stock awards and stock appreciation rights, all on a stand-alone, combination or tandem basis. To date, the Committee has awarded stock options, tenure-based restricted shares and performance stock awards under the 2014 Plan and the prior equity incentive plans.

During the year ended December 31, 2017, the Company’s shareholders approved a 1,200,000 increase in the aggregate number of awards that may be granted under the 2014 Plan. Future awards may be granted for the issuance of an aggregate of 2,996,357 shares of the Company’s common stock, plus the number of any shares of the Company’s common stock for which awards under the 2005 Plan are cancelled, expired, forfeited or settled in cash. The 2014 Plan limits the number of shares for which awards may be granted to any participant during any calendar year to 100,000 shares. The Company may use authorized unissued shares or shares held in treasury to satisfy awards under the 2014 Plan.

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As of December 31, 2017 there were 1.6 million shares available for future issuance under the 2014 equity compensation plan.

For the years ended December 31, 2017,  2016 and 2015 total share-based compensation recognized in income was $17.6 million, $14.3 million and $12.9 million, respectively. The total recognized tax benefit related to the share-based compensation was $13.3 million,  $5.2 million and $4.8 million for 2017,  2016 and 2015, respectively.

A summary of option activity for 2017 is presented below:

Options	Number of Shares	Weighted- Average Exercise Price ($)		Weighted- Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value ($000)
Outstanding at January 1, 2017	456,258	$	35.91	3.5	$	3,734
Exercised	(350,744)		34.65			4,304
Cancelled/Forfeited	(538)		32.09			6
Expired	(16,675)		68.18			—
Outstanding at December 31, 2017	88,301	$	34.84	2.8	$	1,294
Exercisable at December 31, 2017	88,301	$	34.84	2.8	$	1,294

The number of shares subject to the outstanding options reflected above includes shares to be issued upon the exercise of options that were assumed by the Company in the acquisition of Whitney Holding Corporation.

The exercise price for stock options is set at the closing market price of the Company’s stock on the date immediately preceding the date of grant, except for the exercise price of certain options granted to major stockholders which is set at 110% of the market price. Option awards generally vest equally over five years of continuous service and have ten-year contractual terms.

The total intrinsic value of options exercised during 2017 was $4.3 million. The total intrinsic value of options exercised during 2016 and 2015 was $0.5 million, and $0.02 million, respectively.

A summary of the Company’s nonvested restricted and performance shares for the year ended December 31, 2017is presented below:

	Number of Shares	Weighted- Average Grant-Date Fair Value ($)
Nonvested at January 1, 2017	2,152,119	$	32.12
Granted	525,258		45.71
Vested	(906,944)		30.66
Cancelled/Forfeited	(61,491)		32.57
Nonvested at December 31, 2017	1,708,942	$	37.05

As of December 31, 2017, there was $50.6 million of total unrecognized compensation expense related to nonvested restricted and performance shares expected to vest. This compensation is expected to be recognized in expense over a weighted-average period of 3.5 years. The total fair value of shares which vested during 2017 and 2016 was $26.3 million and$11.5 million, respectively.

In 2017,  the Company granted 23,489 performance shares subject to a total shareholder return (“TSR”) performance metric with a grant date fair value of $42.92 per share and 23,489 performance shares subject to a core earnings per share performance metric with a grant date fair value of $38.26 per share to key members of executive management.The number of performance shares subject to TSR that ultimately vest at the end of the three-year performance period, if any, will be based on the relative rank of the Company’s three-year TSR among the TSRs of a peer group of 43 regional banks.  The fair value of the performance shares subject to TSR at the grant date was determined using a Monte Carlo simulated method.  The number of performance shares subject to core earnings per share that ultimately vest will be based on the Company’s attainment of certain core earnings per share goals over the two-year performance period.   The maximum number of performance shares that could vest is 200% of the target award.  Compensation expense for these performance shares will be recognized on a straight-line basis over the three-year service period.

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Note 18. Commitments and Contingencies

Credit Related

In the normal course of business, the Bank enters into financial instruments, such as commitments to extend credit and letters of credit, to meet the financing needs of its customers. Such instruments are not reflected in the accompanying consolidated financial statements until they are funded, although they expose the Bank to varying degrees of credit risk and interest rate risk in much the same way as funded loans.

Commitments to extend credit include revolving commercial credit lines, nonrevolving loan commitments issued mainly to finance the acquisition and development or construction of real property or equipment, and credit card and personal credit lines. The availability of funds under commercial credit lines and loan commitments generally depends on whether the borrower continues to meet credit standards established in the underlying contract and has not violated other contractual conditions. Loan commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee by the borrower. Credit card and personal credit lines are generally subject to cancellation if the borrower’s credit quality deteriorates. A number of commercial and personal credit lines are used only partially or, in some cases, not at all before they expire, and the total commitment amounts do not necessarily represent future cash requirements of the Company.

A substantial majority of the letters of credit are standby agreements that obligate the Bank to fulfill a customer’s financial commitments to a third party if the customer is unable to perform. The Bank issues standby letters of credit primarily to provide credit enhancement to its customers’ other commercial or public financing arrangements and to help them demonstrate financial capacity to vendors of essential goods and services.

The contract amounts of these instruments reflect the Company’s exposure to credit risk. The Company undertakes the same credit evaluation in making loan commitments and assuming conditional obligations as it does for on-balance sheet instruments and may require collateral or other credit support. These off-balance sheet financial instruments are summarized below:

	December 31,
(in thousands)	2017		2016
Commitments to extend credit	$	6,689,033	$	5,878,290
Letters of credit		348,377		338,014

Legal Proceedings

The Company is party to various legal proceedings arising in the ordinary course of business. Management does not believe that loss contingencies, if any, arising from pending litigation and regulatory matters will have a material adverse effect on the consolidated financial position or liquidity of the Company.

Lease Commitments

The Company currently is obligated under a number of non-cancelable operating leases for buildings and equipment. Certain of these leases have escalation clauses and renewal options. Future minimum lease payments for non-cancelable operating leases with initial terms in excess of one year were as follows at December 31, 2017:

(in thousands)	Operating Leases
2018	$	16,307
2019		15,466
2020		13,815
2021		12,317
2022		12,099
Thereafter		81,826
Total minimum lease payments	$	151,830

Rental expense approximated $17.0 million,  $11.7 million and $13.3 million for the years ended December 31, 2017,  2016, and 2015, respectively.

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Note 19. Fair Value of Financial Instruments

The FASB defines fair value as the exchange price that would be received to sell an asset or paid to transfer a liability in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. The FASB’s guidance also establishes a fair value hierarchy that prioritizes the inputs to these valuation techniques used to measure fair value, giving preference to quoted prices in active markets for identical assets or liabilities (level 1) and the lowest priority to unobservable inputs such as a reporting entity’s own data (level 3). Level 2 inputs include quoted prices for similar assets or liabilities in active markets, quoted prices for identical assets or liabilities in markets that are not active, observable inputs other than quoted prices, such as interest rates and yield curves, and inputs that are derived principally from or corroborated by observable market data by correlation or other means.

Fair Value of Assets Measured on a Recurring Basis

The following tables present for each of the fair value hierarchy levels the Company’s financial assets and liabilities that are measured at fair value on a recurring basis in the consolidated balance sheets.

	December 31, 2017
(in thousands)	Level 1		Level 2		Level 3		Total
Assets
Available for sale debt securities:
U.S. Treasury and government agency securities	$	—	$	97,272	$	—	$	97,272
Municipal obligations		—		243,786		—		243,786
Corporate debt securities		—		3,500		—		3,500
Residential mortgage-backed securities		—		1,715,213		—		1,715,213
Commercial mortgage-backed securities		—		687,135		—		687,135
Collateralized mortgage obligations		—		163,963		—		163,963
Total available for sale securities		—		2,910,869		—		2,910,869
Derivative assets (1)		—		14,157		—		14,157
Total recurring fair value measurements - assets	$	—	$	2,925,026	$	—	$	2,925,026
Liabilities
Derivative liabilities (1)	$	—	$	14,389	$	—	$	14,389
Total recurring fair value measurements - liabilities	$	—	$	14,389	$	—	$	14,389

(1) For further disaggregation of derivative assets and liabilities, see Note 10 – Derivatives.

	December 31, 2016
(in thousands)	Level 1		Level 2		Level 3		Total
Assets
Available for sale debt securities:
U.S. Treasury and government agency securities	$	—	$	54,828	$	—	$	54,828
Municipal obligations		—		242,155		—		242,155
Corporate debt securities		—		3,500		—		3,500
Residential mortgage-backed securities		—		1,611,355		—		1,611,355
Commercial mortgage-backed securities		—		402,591		—		402,591
Collateralized mortgage obligations		—		202,479		—		202,479
Total available for sale securities		—		2,516,908		—		2,516,908
Derivative assets (1)		—		20,315		—		20,315
Total recurring fair value measurements - assets	$	—		2,537,223	$	—		2,537,223
Liabilities
Derivative liabilities (1)	$	—	$	27,432	$	—	$	27,432
Total recurring fair value measurements - liabilities	$	—	$	27,432	$	—	$	27,432

(1) For further disaggregation of derivative assets and liabilities, see Note 10 – Derivatives.

The fair value measurements for investment securities are obtained quarterly from a third-party pricing service that uses industry-standard pricing models. Substantially all of the model inputs are observable in the marketplace or can be supported by observable data. The Company invests only in securities of investment grade quality with a targeted duration, for the overall portfolio, generally

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between two and five years. Company policies generally limit investments to agency securities and municipal securities determined to be investment grade according to an internally generated score which generally includes a rating of not less than “Baa” or its equivalent by a nationally recognized statistical rating agency.

The fair value of derivative financial instruments, which are predominantly customer interest rate swaps, is obtained from a third-party pricing service that uses an industry-standard discounted cash flow model that relies on inputs, LIBOR swap curves, Overnight Index swap rate curves, observable in the marketplace. To comply with the accounting guidance, credit valuation adjustments are incorporated in the fair values to appropriately reflect nonperformance risk for both the Company and the counterparties. Although the Company has determined that the majority of the inputs used to value the derivative instruments fall within level 2 of the fair value hierarchy, the credit value adjustments utilize level 3 inputs, such as estimates of current credit spreads. The Company has determined that the impact of the credit valuation adjustments is not significant to the overall valuation of these derivatives. As a result, the Company has classified its derivative valuations in their entirety in level 2 of the fair value hierarchy. The Company’s policy is to measure counterparty credit risk quarterly for all derivative instruments subject to master netting arrangements consistent with how market participants would price the net risk exposure at the measurement date.

The Company also has certain derivative instruments associated with the Bank’s mortgage-banking activities. These derivative instruments include interest rate lock commitments on prospective residential mortgage loans and forward commitments to sell these loans to investors on a best efforts delivery basis. The fair value of these derivative instruments is measured using observable market prices for similar instruments and is classified as a level 2 measurement.

The Company’s policy is to recognize transfers between valuation hierarchy levels as of the end of a reporting period.  There were no transfers between levels during the periods presented.

Fair Value of Assets Measured on a Nonrecurring Basis

Certain assets and liabilities are measured at fair value on a nonrecurring basis. Collateral-dependent impaired loans are level 2 assets measured at the fair value of the underlying collateral based on independent third-party appraisals that take into consideration market-based information such as recent sales activity for similar assets in the property’s market.

Other real estate owned, including both foreclosed property and surplus banking property, are level 3 assets that are adjusted to fair value, less estimated selling costs, upon transfer to other real estate owned. Subsequently, other real estate owned is carried at the lower of carrying value or fair value less estimated selling costs. Fair values are determined by sales agreement or third-party appraisals as discounted for estimated selling costs, information from comparable sales, and marketability of the property.

The following table presents for each of the fair value hierarchy levels the Company’s financial assets that are measured at fair value on a nonrecurring basis:

	December 31, 2017
(in thousands)		Level 1		Level 2		Level 3		Total
Collateral dependent impaired loans	$	—	$	184,205	$	—	$	184,205
Other real estate owned		—		—		6,928		6,928
Total nonrecurring fair value measurements	$	—	$	184,205	$	6,928	$	191,133

	December 31, 2016
(in thousands)		Level 1		Level 2		Level 3		Total
Collateral dependent impaired loans	$	—	$	169,888	$	—	$	169,888
Other real estate owned		—		—		13,968		13,968
Total nonrecurring fair value measurements	$	—	$	169,888	$	13,968	$	183,856

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Accounting guidance from the FASB requires the disclosure of estimated fair value information about certain on- and off-balance sheet financial instruments, including those financial instruments that are not measured and reported at fair value on a recurring basis. The significant methods and assumptions used by the Company to estimate the fair value of financial instruments are discussed below.

Cash, Short-Term Investments and Federal Funds Sold – For those short-term instruments, the carrying amount is a reasonable estimate of fair value.

Securities – The fair value measurement for securities available for sale was discussed earlier in the note. The same measurement techniques were applied to the valuation of securities held to maturity.

Loans, Net – The fair value measurement for certain impaired loans was discussed earlier in the note. For the remaining portfolio, fair values were generally determined by discounting scheduled cash flows using discount rates determined with reference to current market rates at which loans with similar terms would be made to borrowers with similar credit quality.

Loans Held For Sale – These loans are recorded at fair value and carried at the lower of cost or market. The carrying amount is considered a reasonable estimate of fair value.

Deposits – The accounting guidance requires that the fair value of deposits with no stated maturity, such as noninterest-bearing demand deposits and interest-bearing checking and savings accounts, be assigned fair values equal to amounts payable upon demand (carrying amounts). The fair value of fixed-maturity certificates of deposit is estimated using the rates currently offered for deposits of similar remaining maturities.

Securities Sold under Agreements to Repurchase, Federal Funds Purchased and Short-Term FHLB Borrowings – For these short-term liabilities, the carrying amount is a reasonable estimate of fair value.

Long-Term Debt – The fair value is estimated by discounting the future contractual cash flows using current market rates at which debt with similar terms could be obtained.

Derivative Financial Instruments – The fair value measurement for derivative financial instruments was discussed earlier in the note.

The following tables present the estimated fair values of the Company’s financial instruments by fair value hierarchy levels and the corresponding carrying amount at December 31, 2017 and 2016.  

	December 31, 2017
							Total		Carrying
(in thousands)	Level 1		Level 2		Level 3		Fair Value		Amount
Financial assets:
Cash, interest-bearing bank
deposits, and federal funds sold	$	479,332	$	—	$	—	$	479,332	$	479,332
Available for sale securities		—		2,910,869		—		2,910,869		2,910,869
Held to maturity securities		—		2,962,010		—		2,962,010		2,977,511
Loans, net		—		184,205		18,403,303		18,587,508		18,786,855
Loans held for sale		—		39,865		—		39,865		39,865
Derivative financial instruments		—		14,157		—		14,157		14,157
Financial liabilities:
Deposits	$	—	$	—	$	22,238,847	$	22,238,847	$	22,253,202
Federal funds purchased		140,754		—		—		140,754		140,754
Securities sold under agreements
to repurchase		430,569		—		—		430,569		430,569
Short-term FHLB Borrowings		1,132,567		—		—		1,132,567		1,132,567
Long-term debt		—		303,631		—		303,631		305,513
Derivative financial instruments		—		14,389		—		14,389		14,389

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	December 31, 2016
							Total		Carrying
(in thousands)	Level 1		Level 2		Level 3		Fair Value		Amount
Financial assets:
Cash, interest-bearing bank
deposits, and federal funds sold	$	450,866	$	—	$	—	$	450,866	$	450,866
Available for sale securities		—		2,516,908		—		2,516,908		2,516,908
Held to maturity securities		—		2,470,117		—		2,470,117		2,500,220
Loans, net		—		169,888		16,326,961		16,496,849		16,522,733
Loans held for sale		—		34,064		—		34,064		34,064
Derivative financial instruments		—		20,315		—		20,315		20,315
Financial liabilities:
Deposits	$	—	$	—	$	19,430,939	$	19,430,939	$	19,424,266
Federal funds purchased		2,275		—		—		2,275		2,275
Securities sold under agreements
to repurchase		358,131		—		—		358,131		358,131
FHLB Borrowings		865,000		—		—		865,000		865,000
Long-term debt		—		435,747		—		435,747		436,280
Derivative financial instruments		—		27,432		—		27,432		27,432

Note 20. Condensed Parent Company Information

The following condensed financial statements reflect the accounts and transactions of Hancock Holding Company only:

Condensed Balance Sheets

	December 31,
(in thousands)	2017		2016
Assets:
Cash	$	71,328	$	316,457
Securities available for sale		58,521		69,210
Investment in bank subsidiaries		2,953,032		2,547,224
Investment in non-bank subsidiaries		22,670		11,204
Due from subsidiaries and other assets		14,010		27,941
Total assets	$	3,119,561	$	2,972,036
Liabilities and Stockholders' Equity:
Long term debt	$	234,135	$	251,573
Other liabilities		477		695
Stockholders' equity		2,884,949		2,719,768
Total liabilities and stockholders’ equity	$	3,119,561	$	2,972,036

Condensed Statements of Income

	Years Ended December 31,
(in thousands)	2017		2016		2015
Operating Income
From subsidiaries
Cash dividends received from bank subsidiaries	$	90,000	$	120,000	$	31,000
Noncash dividend from bank subsidiaries		11,708		—		—
Equity in earnings of subsidiaries greater than
dividends received		124,531		39,293		111,424
Total operating income		226,239		159,293		142,424
Other expense, net		(16,931)		(16,614)		(17,297)
Income tax benefit		(6,324)		(6,617)		(6,334)
Net income	$	215,632	$	149,296	$	131,461
Other comprehensive income (loss), net of tax		11,460		(39,937)		(30,521)
Comprehensive income	$	227,092	$	109,359	$	100,940

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Condensed Statements of Cash Flows

	Years Ended December 31,
(in thousands)	2017		2016		2015
Cash flows from operating activities - principally
dividends received from subsidiaries	$	111,591	$	122,528	$	33,912
Net cash provided by operating activities		111,591		122,528		33,912
Cash flows from investing activities
Contribution of capital to subsidiary		(270,000)		(21,000)		(90)
Proceeds from principal paydowns of securities available for sale		11,015		13,827		12,863
Other, net		—		—		1,629
Net cash provided by (used in) investing activities		(258,985)		(7,173)		14,402
Cash flows from financing activities:
Proceeds from issuance of long term debt		—		—		269,004
Repayment of long term debt		(17,900)		(17,900)		(149,600)
Dividends paid to stockholders		(83,266)		(77,012)		(77,474)
Repurchase of common stock		—		—		(95,613)
Proceeds from issuance of common stock		15,312		262,961		347
Payroll tax remitted on net share settlement of equity awards		(11,881)		(3,178)		(3,385)
Other, net		—		(133)		—
Net cash provided by (used in) financing activities		(97,735)		164,738		(56,721)
Net increase (decrease) in cash		(245,129)		280,093		(8,407)
Cash, beginning of year		316,457		36,364		44,771
Cash, end of year	$	71,328	$	316,457	$	36,364

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ITEM9.CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE

None.

ITEM 9A.    CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

The term “disclosure controls and procedures” is defined in Rules 13a-15(e) and 15d-15(e) of the Securities Exchange Act of 1934, as amended (the Exchange Act). The rules refer to our controls and other procedures that are designed to ensure that information required to be disclosed in reports that we file or submit under the Exchange Act is (1) recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission’s rules and forms and (2) accumulated and communicated to our management, including our principal executive officer and principal financial officer, as appropriate to allow timely decisions regarding required disclosure.

Management, including our principal executive officer and principal financial officer, has performed an evaluation of the effectiveness of our disclosure controls and procedures and based on that evaluation, our principal executive officer and principal financial officer have concluded that our disclosure controls and procedures were effective as of December 31, 2017.  

Internal Control Over Financial Reporting

The Company’s management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Rule 13a-15(f) under the Exchange Act, 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. The Company’s management, with the participation of its principal executive and principal financial officers, evaluated the effectiveness of the Company’s internal control over financial reporting as of December 31, 2017 based on the framework set forth in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. 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 the schedules equivalent to the basic financial statements in accordance with the instructions to the Consolidated Financial Statements for Bank Holding Companies (Form Y-9 C) and compliance with specific laws and regulations. Our evaluation included a review of the documentation of controls, evaluations of the design of the internal control system and tests of the effectiveness of internal controls.

PricewaterhouseCoopers, LLP, the independent registered public accounting firm that audited the Company’s financial statements included in Item 8. “Financial Statements and Supplementary Data,” has issued an attestation report on the Company’s internal control over financial reporting, which is also included in Item 8.

Based on the foregoing evaluation, management concluded that the Company’s internal control over financial reporting was effective as of December 31, 2017.  

There was no change in the Company’s internal control over financial reporting that occurred during the fourth quarter of 2017 that has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting.

ITEM 9B.    OTHER INFORMATION

Hancock Holding Company will hold its Annual Meeting of Shareholders of common stock on Thursday,  May 24, 2018, at 10:30 a.m. Central Daylight Time at One Hancock Plaza, 2510 14th Street, Gulfport, Mississippi.

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PART III

ITEM 10.     DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

Information concerning our directors will appear in our definitive proxy statement to be filed with the Securities and Exchange Commission for our 2018 annual meeting of shareholders under the caption “Information About Directors.” Information concerning compliance with Section 16(a) of the Exchange Act will appear in our proxy statement under the caption “Section 16(a) Beneficial Ownership Reporting Compliance.” Information concerning our code of business ethics for officers and associates, our code of ethics for financial officers, and our code of ethics for directors will appear in our proxy statement under the caption “Transactions with Related Persons.” Information concerning our audit committee will appear in our proxy statement under the caption “Board of Directors and Corporate Governance – Board Committees – Audit Committee.” The information set forth under each such caption is incorporated herein by reference. The information required by Item 10 of this Report regarding our executive officers appears in a separately captioned heading in Item 1 of this Report.

ITEM 11.     EXECUTIVE COMPENSATION

Information concerning our executive and director compensation will appear in our definitive proxy statement relating to our 2018 annual meeting of shareholders under the caption “Executive Compensation,” “Compensation of Directors,” “Compensation Discussion and Analysis,” “Compensation Committee Report,” “Potential Payments Upon Termination or Change in Control” and “Shareholder Proposals for the 2019 Annual Meeting.” Information concerning our compensation committee interlocks and insider participation and our compensation committee report will appear in our proxy statement under the caption “Compensation Committee Interlocks and Insider Participation” and “Compensation Committee Report,” respectively. Such information is incorporated herein by reference.

ITEM 12.     SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS

Information concerning ownership of certain beneficial owners and management will appear in our definitive proxy statement relating to our 2018 annual meeting of shareholders under the caption “Security Ownership of Certain Beneficial Owners and Management.” The information set forth under each such caption is incorporated herein by reference.

ITEM 13.     CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE

Information concerning certain relationships and related transactions will appear in our definitive proxy statement relating to our 2018 annual meeting of shareholders under the caption “Transactions with Related Persons.” Information concerning director independence will appear in our proxy statement under the caption “Board of Directors and Corporate Governance.” The information set forth under each such caption is incorporated herein by reference.

ITEM 14.     PRINCIPAL ACCOUNTANT FEES AND SERVICES

Information concerning principal accountant fees and services will appear in our definitive proxy statement relating to our 2018 annual meeting of shareholders under the caption “Independent Registered Public Accounting Firm.” Such information is incorporated herein by reference.

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PART IV

ITEM 15.     EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

(a) The following documents are filed as part of this Report:

1. The following consolidated financial statements of Hancock Holding Company and subsidiaries are filed as part of this Report under Item 8.“Financial Statements and Supplementary Data”:  

Consolidated Balance Sheets – December 31, 2017 and 2016

Consolidated Statements of Income – Years ended December 31, 2017, 2016 and 2015

Consolidated Statements of Other Comprehensive Income – Years ended December 31, 2017, 2016 and 2015

Consolidated Statements of Changes in Stockholders’ Equity– Years ended December 31, 2017, 2016 and 2015

Consolidated Statements of Cash Flows –Years ended December 31, 2017, 2016 and 2015

Notes to Consolidated Financial Statements – December 31, 2017

2. Financial schedules required to be filed by Item 8 of this Report, and by Item 15(d) below:

The schedules to the consolidated financial statements set forth by Article 9 of Regulation S-X are not required under the related instructions or are inapplicable and, therefore, have been omitted.

3. Exhibits required to be filed by Item 601 of Regulation S-K, and by Item 15(b) below.

(b) Exhibits:

All other financial statements and schedules are omitted as the required information is inapplicable or the required information is presented in the consolidated financial statements or related notes.

(a) 3. Exhibits:  

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EXHIBIT INDEX

Exhibit Number		Description
2.1	Purchase Agreement by and between Whitney Bank and First NBC Bank, dated as of December 30, 2016 (filed as Exhibit 1.1 to the Company’s Form 8-K (File No. 001-36872) filed with the Commission on January 1, 2017 and incorporated herein by reference).
2.2	Purchase Agreement by and between Whitney Bank and the FDIC, dated as of April 28, 2017 (filed as Exhibit 1.1 to the Company’s 8-K (File No. 001-36872) filed with the Commission on May 3, 2017 and incorporated herein by reference).
3.1	Composite Articles of Incorporation of the Company (filed as Exhibit 3.1 to the Company’s 10-K (File No. 001-36872) filed with the Commission on February 24, 2017 and incorporated herein by reference).
3.2	Amended and Restated Bylaws of the Company (filed as Exhibit 3.2 to the Company’s 10-K (File No. 001-36872) filed with the Commission on February 24, 2017 and incorporated herein by reference).
4.1	Specimen stock certificate of the Company (reflecting change in par value from $10.00 to $3.33, effective March 6, 1989) (filed as Exhibit 4 to the Company’s registration statement on Form S-8 (File No. 333-11831) filed with the Commission on September 12, 1996 and incorporated herein by reference).
4.2	By executing this Form 10-K, the Company hereby agrees to deliver to the Commission upon request copies of instruments defining the rights of holders of long-term debt of the Company or its consolidated subsidiaries or its unconsolidated subsidiaries for which financial statements are required to be filed, where the total amount of such securities authorized thereunder does not exceed 10 percent of the total assets of the Company and its subsidiaries on a consolidated basis.
4.3	Shareholder Rights Agreement, dated February 21, 1997, between the Company and Hancock Bank, as Rights Agent (filed as Exhibit 1 to the Company’s registration statement on Form 8-A12G (File No. 0-13089) filed with the Commission on February 27, 1997 and incorporated herein by reference) as extended by Amendment No. 1 to Rights Agreement, dated February 19, 2007, between the Company and Hancock Bank (filed with the Commission as Exhibit 4.1 to the Company’s Form 8-K (File No. 0-13089) filed with the Commission on February 20, 2007 and incorporated herein by reference).
*10.2	Amended and Restated 2005 Long-Term Incentive Plan dated December 18, 2008 and effective January 1, 2009 (filed as Exhibit 10.2 to the Company’s Form 10-K for the year ended December 31, 2012 (File No. 0-13089) filed with the Commission and incorporated herein by reference).
*10.3	Amendment to Amended and Restated 2005 Long-Term Incentive Plan dated May 24, 2012 and effective January 1, 2012 (filed as Exhibit 10.3 to the Company’s Form 10-K for the year ended December 31, 2012 (File No. 0-13089) filed with the Commission and incorporated herein by reference).
*10.4	2014 Long Term Incentive Plan (filed as Exhibit 10.1 to the Company’s Form 8-K (File No. 0-13089) filed with the Commission on April 21, 2014 and incorporated herein by reference).
*10.5	Amendment to the Hancock Holding Company 2014 Long Term Incentive Plan (filed as Appendix A of the Company’s definitive Proxy Statement on Schedule 14A (filed with the Commission on March 17, 2017 (File Number 001-36872) and incorporated herein by reference).
*10.6	Form of Incentive Stock Option Agreement for Section 16 individuals (filed as Exhibit 10.5 to the Company’s Form 10-K for the year ended December 31, 2012 (File No. 0-13089) filed with the Commission and incorporated herein by reference).
*10.9	Form of Performance Stock Award Agreement for 2014 (filed as Exhibit 10.3 to the Company’s Form 8-K (File No. 0-13089) filed with the Commission on February 14, 2013 and incorporated herein by reference).
*10.10	Nonqualified Deferred Compensation Plan, amended and restated effective January 1, 2015 (filed as Exhibit 10.11 to the Company’s Form 10-K for the year ended December 31, 2014 (File No. 0-13089) filed with the Commission on February 27, 2015 and incorporated herein by reference).

129

*10.11	Addendum to Nonqualified Deferred Compensation Plan describing SERP benefit (filed as Exhibit 10.3 to the Company’s Form 10-Q (File No. 001-36827) filed with the Commission on August 8, 2014 and incorporated herein by reference).
*10.13	2010 Employee Stock Purchase Plan (filed as Exhibit 99.1 to the Company’s Form 8-K filed with the Commission on January 5, 2011 (File No. 0-13089) and incorporated herein by reference).
*10.14	Amendment to 2010 Employee Stock Purchase Plan, dated December 15, 2011 and effective January 1, 2011 (filed as Exhibit 10.15 to the Company’s Form 10-K for the year ended December 31, 2012 (File No. 0-13089) filed with the Commission and incorporated herein by reference).
*10.18	Form of Change in Control Employment Agreement between the Company and certain named executive officers effective June 16, 2014 (filed as Exhibit 10.1 to the Company’s Form 8-K (File No. 0-13089) filed with the Commission on June 20, 2014 and incorporated herein by reference).
*10.19	Form of Change in Control Employment Agreement between the Company and Functional and Line of Business Leaders effective June 16, 2014 (filed as Exhibit 10.19 to the Company’s Form 10-K (File No. 001-36872) filed with the Commission on February 24, 2017).
*10.20	Insurance Plan and Summary Plan Description, adopted by the Company effective July 1, 2014 (filed as Exhibit 10.20 to the Company’s Form 10-K for the year ended December 31, 2014 (File No. 0-13089) filed with the Commission on February 27, 2015 and incorporated herein by reference).
10.22		Credit Agreement, dated December 18, 2015, among Hancock Holding Company, the lenders named therein and U.S. Bank National Association, as administrative agent (filed as Exhibit 10.1 to the Company’s Form 8-K (File No. 0-13089) filed with the Commission on December 23, 2015 and incorporated herein by reference).
10.23		First Amendment to Credit Agreement and Waiver, dated as of May 3, 2016, by and among the Company and U.S. Bank National Association and Wells Fargo Bank, National Association (filed as Exhibit 10.4 to the Company’s Form 10-Q (File No. 001-36827) filed with the Commission on May 9, 2016 and incorporated herein by reference).
10.24		Retirement and Restrictive Covenant Agreement, between the Company and Clifton J. Saik, dated June 29, 2015 (Filed as Exhibit 10.6 to Hancock’s Form 10-Q filed with the Commission on August 7, 2015 and incorporated herein by reference).
*10.25		Form of Restricted Stock Award Agreement (approved in 2015) (filed as Exhibit 10.24 to the Company’s Form 10-K (File No. 0-13089) filed with the Commission on February 26, 2016 and incorporated herein by reference).
*10.26		Form of Amended Restricted Stock Award Agreement (amending awards approved in 2016) (filed as Exhibit 10.2 to the Company’s Form 10-Q (File No. 001-36827) filed with the Commission on May 9, 2016 and incorporated herein by reference).
*10.27		Form of Performance Stock Award Agreement (TSR) (approved in 2015) (filed as Exhibit 10.25 to the Company’s Form 10-K (File No. 0-13089, filed with the Commission on February 26, 2016 and incorporated herein by reference).
*10.28		Form of Performance Stock Award Agreement (EPS) (approved in 2015) (filed as Exhibit 10.25 to the Company’s Form 10-K (File No. 0-13089, filed with the Commission on February 26, 2016 and incorporated herein by reference).
*10.29		Separation and Restrictive Covenant Agreement, between the Company and Edward G. Francis, dated April 7, 2016 (filed as Exhibit 10.1 to the Company’s Form 10-Q filed with the Commission on May 9, 2016 and incorporated herein by reference).
*10.31		Executive Incentive Plan (2016) (filed as Exhibit 10.3 to the Company’s Form 10-Q (File No. 001-36827) filed with the commission on May 9, 2016 and incorporated herein by reference).
**21.1		Subsidiaries of the Company.
**23.1		Consent of PricewaterhouseCoopers, LLP.

130

**31.1	Certification of Principal Executive Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act of 1934, as amended.
**31.2	Certification of Principal Financial Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act of 1934, as amended.
**32.1	Certification of Principal Executive Officer pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
**32.2	Certification of Principal Financial Officer pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
**101.INS	XBRL Instance Document.
**101.SCH	XBRL Schema Document.
**101.CAL	XBRL Calculation Document.
**101.LAB	XBRL Label Link Document.
**101.PRE	XBRL Presentation Linkbase Document.
**101.DEF	XBRL Definition Linkbase Document.
*	Compensatory plan or arrangement.
**	Filed with this Form 10-K.

131

ITEM 16.FORM 10-K SUMMARY

Not applicable.

132

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this Report to be signed on its behalf by the undersigned, thereunto duly authorized.

		HANCOCK HOLDING COMPANY
		Registrant
February 26, 2018	By:		/s/ John M. Hairston
Date			John M. Hairston
			President & Chief Executive Officer (Principal Executive Officer)

February 26, 2018	By:	/s/ Michael M. Achary
Date		Michael M. Achary
		Senior Executive Vice President & Chief Financial Officer (Principal Financial Officer)

February 26, 2018	By:	/s/ Stephen E. Barker
Date		Stephen E. Barker
		Executive Vice President & Chief Accounting Officer (Principal Accounting Officer)

Pursuant to the requirements of the Securities Exchange Act of 1934, this Report has been signed below by the following persons on behalf of the Registrant and in the capacities and on the dates indicated.

/s/ James B. Estabrook, Jr. James B. Estabrook, Jr.	Chairman of the Board, Director	February 26, 2018
/s/ Frank E. Bertucci Frank E. Bertucci	Director	February 26, 2018
/s/ Hardy B. Fowler Hardy B. Fowler	Director	February 26, 2018
/s/ James H. Horne James H. Horne	Director	February 26, 2018
/s/ Jerry L. Levens Jerry L. Levens	Director	February 26, 2018
/s/ Constantine S. Liollio Constantine S. Liollio	Director	February 26, 2018

133

(signatures continued)

/s/ Sonya C. Little Sonya C. Little	Director	February 26, 2018
/s/ Eric J. Nickelsen Eric J. Nickelsen	Director	February 26, 2018
/s/ Thomas H. Olinde Thomas H. Olinde	Director	February 26, 2018
/s/ Christine L. Pickering Christine L. Pickering	Director	February 26, 2018
/s/ Joan C. Teofilo Joan C. Teofilo	Director	February 26, 2018
/s/ C. Richard Wilkins C. Richard Wilkins	Director	February 26, 2018

134

EX-21.1

Exhibit 21.1

Subsidiaries of Hancock Holding Company

Name	Jurisdiction
Whitney Bank	Mississippi
Hancock Investment Services, Inc.	Mississippi
Whitney Equipment Finance, LLC	Louisiana
Whitney Equipment Finance and Leasing, LLC	Louisiana
Harrison Finance Company	Mississippi
Harrison Loan Company	Mississippi
Whitney New Markets Fund, LLC	Louisiana

EX-23.1

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on FormS‑3 (Nos. 333-197635 and 333-202407) and on Form S-8 (Nos. 333-219733, 333-174738, 333-171518, 333-195698, 333-130962, 333-171882 and 333-185731) of Hancock Holding Company of our reportdated February 26, 2018 relating to the financial statementsand the effectiveness of internal control over financial reporting, which appears in this Form 10‑K.

/s/ PricewaterhouseCoopers LLP
New Orleans, Louisiana
February 26, 2018

EX-31.1

EXHIBIT 31.1

CERTIFICATION

I, John M. Hairston, certify that:

1. I have reviewed this Annual Report on Form 10-K of Hancock Holding Company; 

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 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 (or persons performing the equivalent functions): 

(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.

February 26, 2018	By:	/s/ John M. Hairston
Date		John M. Hairston
		President & Chief Executive Officer
		(Principal Executive Officer)

EX-31.2

EXHIBIT 31.2

CERTIFICATION

I, Michael M. Achary, certify that:

1. I have reviewed this Annual Report on Form 10-K of Hancock Holding Company; 

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 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 (or persons performing the equivalent functions): 

(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.

February 26, 2018	By:	/s/ Michael M. Achary
Date		Michael M. Achary
		Senior Executive Vice President & Chief Financial Officer
		(Principal Financial Officer)

EX-32.1

EXHIBIT 32.1

CERTIFICATION

Certification Pursuant to 18 U.S.C. Section 1350

(Adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002)

In connection with the Annual Report on From 10-K of the Hancock Holding Company (the “Company”) for the year ended December 31, 2017, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), John M. Hairston, as Chief Executive Officer of the Company hereby certifies, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of his knowledge:

1. The Report fully complies with the requirements of Section 13(a) 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 results of operations of the Company. 

February 26, 2018	By:	/s/ John M. Hairston
Date		John M. Hairston
		President & Chief Executive Officer
		(Principal Executive Officer)

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

This certification shall not be deemed filed by the Company for purposes of §18 of the Securities Exchange Act of 1934, as amended.

EX-32.2

EXHIBIT 32.2

CERTIFICATION

Certification Pursuant to 18 U.S.C. Section 1350

(Adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002)

In connection with the Annual Report on Form 10-K of the Hancock Holding Company (the “Company) for the year ended December 31, 2017, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Michael M. Achary, as Chief Financial Officer of the Company hereby certifies, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of his knowledge:

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 results of operations of the Company. 

February 26, 2018	By:	/s/ Michael M. Achary
Date		Michael M. Achary
		Senior Executive Vice President & Chief Financial Officer
		(Principal Financial Officer)

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

This certification shall not be deemed filed by the Company for purposes of §18 of the Securities Exchange Act of 1934, as amended.

XML

Document and Entity Information - USD ($) $ in Billions	12 Months Ended
	Dec. 31, 2017	Jan. 31, 2018	Jun. 30, 2017
Document and Entity Information [Abstract]
Entity Registrant Name	HANCOCK HOLDING CO
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 4.1
Entity Central Index Key	0000750577
Trading Symbol	hbhc
Amendment Flag	false
Document Type	10-K
Document Fiscal Period Focus	FY
Document Period End Date	Dec. 31, 2017
Document Fiscal Year Focus	2017
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Common Stock, Shares Outstanding		85,253,113

XML

Consolidated Balance Sheets - USD ($) shares in Thousands, $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Assets:
Cash and due from banks	$ 386,948	$ 372,689
Interest-bearing bank deposits	92,157	77,235
Federal funds sold	227	942
Securities available for sale, at fair value (amortized cost of $2,949,057 and $2,562,000)	2,910,869	2,516,908
Securities held to maturity (fair value of $2,962,010 and $2,470,117)	2,977,511	2,500,220
Loans held for sale	39,865	34,064
Loans	19,004,163	16,752,151
Less: allowance for loan losses	(217,308)	(229,418)
Loans, net	18,786,855	16,522,733
Property and equipment, net of accumulated depreciation of $214,998 and $231,127	333,663	361,612
Prepaid expense	28,015	18,038
Other real estate, net	14,862	18,884
Accrued interest receivable	82,191	65,887
Goodwill	745,523	621,193
Other intangible assets, net	90,640	87,757
Life insurance contracts	541,081	480,406
FDIC loss share receivable		16,219
Deferred tax asset, net	53,979	104,435
Other assets	251,700	176,080
Total assets	27,336,086	23,975,302
Deposits:
Noninterest-bearing	8,307,497	7,658,203
Interest-bearing	13,945,705	11,766,063
Total deposits	22,253,202	19,424,266
Short-term borrowings	1,703,890	1,225,406
Long term debt	305,513	436,280
Accrued interest payable	8,680	9,574
Other liabilities	179,852	160,008
Total liabilities	24,451,137	21,255,534
Stockholders' equity:
Common Stock	292,716	291,358
Capital surplus	1,718,117	1,698,253
Retained earnings	1,008,518	850,689
Accumulated other comprehensive loss, net	(134,402)	(120,532)
Total stockholders' equity	2,884,949	2,719,768
Total liabilities and stockholders' equity	$ 27,336,086	$ 23,975,302
Common shares authorized (par value of 3.33 per share)	350,000	350,000
Common shares issued	87,903	87,495
Common shares outstanding	85,200	84,235

XML

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Consolidated Balance Sheets [Abstract]
Securities available for sale, amortized cost	$ 2,949,057	$ 2,562,000
Securities held to maturity, fair value	2,962,010	2,470,117
Property and equipment, accumulated depreciation	$ 214,998	$ 231,127
Common stock, par value per share	$ 3.33	$ 3.33

XML

Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Interest income:
Loans, including fees	$ 772,030	$ 625,023	$ 583,751
Loans held for sale	851	1,022	678
Securities-taxable	102,013	91,099	90,522
Securities-tax exempt	22,235	13,222	3,447
Short-term investments	3,452	1,801	1,248
Total interest income	900,581	732,167	679,646
Interest expense:
Deposits	76,546	48,934	33,876
Short-term borrowings	15,735	4,065	1,078
Long-term debt	15,988	20,052	19,518
Total interest expense	108,269	73,051	54,472
Net interest income	792,312	659,116	625,174
Provision for loan losses	58,968	110,659	73,038
Net interest income after provision for loan losses	733,344	548,457	552,136
Noninterest income:
Service charges on deposit accounts	83,166	74,187	72,813
Trust fees	44,538	46,589	45,627
Bank card and ATM fees	53,779	47,427	46,480
Investment and annuity fees	20,529	18,477	20,669
Secondary mortgage market operations	15,209	16,282	12,579
Insurance commissions and fees	3,212	4,501	8,567
Amortization of loss share receivable	(2,427)	(5,918)	(5,747)
Other income	49,775	47,482	35,961
Securities transactions		1,754	335
Total noninterest income	267,781	250,781	237,284
Noninterest expense:
Compensation expense	320,096	287,783	278,661
Employee benefits	56,568	55,884	54,880
Personnel expense	376,664	343,667	333,541
Net occupancy expense	47,869	41,296	44,842
Equipment expense	14,841	13,663	15,494
Data processing expense	66,385	58,619	55,590
Professional services expense	40,235	29,561	40,198
Amortization of intangibles	22,417	19,781	24,184
Telecommunications and postage	14,686	13,146	14,127
Deposit insurance and regulatory fees	29,627	23,499	16,736
Other real estate (income) expense, net	(2,669)	(3,481)	2,740
Other expense	82,636	72,564	72,203
Total noninterest expense	692,691	612,315	619,655
Income before income taxes	308,434	186,923	169,765
Income taxes	92,802	37,627	38,304
Net income	$ 215,632	$ 149,296	$ 131,461
Earnings per common share-basic	$ 2.49	$ 1.87	$ 1.64
Earnings per common share-diluted	2.48	1.87	1.64
Dividends paid per share	$ 0.96	$ 0.96	$ 0.96
Weighted average shares outstanding-basic	84,695	77,850	78,197
Weighted average shares outstanding-diluted	84,963	77,949	78,307

XML

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Consolidated Statements of Comprehensive Income [Abstract]
Net income	$ 215,632	$ 149,296	$ 131,461
Other comprehensive income (loss) before income taxes:
Net change in unrealized loss on available for sale securities and hedges	(425)	(57,346)	(21,270)
Reclassification of net losses realized and included in earnings	5,801	4,016	3,010
Valuation adjustment for pension plan amendment	17,315
Other valuation adjustments for employee benefit plans	(10,929)	(12,748)	(33,971)
Amortization of unrealized net loss on securities transferred to held to maturity	3,786	3,830	3,530
Other comprehensive income (loss) before income taxes	15,548	(62,248)	(48,701)
Income tax expense (benefit)	4,088	(22,311)	(18,180)
Other comprehensive (income) loss net of income taxes	11,460	(39,937)	(30,521)
Comprehensive income	$ 227,092	$ 109,359	$ 100,940

XML

Consolidated Statements of Changes in Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Capital Surplus [Member]	Retained Earnings [Member]	Accumulated Other ComprehensiveLoss, Net [Member]		Total
Balance at Dec. 31, 2014	$ 291,307	$ 1,507,673	$ 723,496	$ (50,074)		$ 2,472,402
Balance, Shares Issued at Dec. 31, 2014	87,480
Net income			131,461			131,461
Other comprehensive loss, net of tax				(30,521)		(30,521)
Comprehensive income			131,461	(30,521)		100,940
Cash dividends declared ($0.96 per common share)			(77,013)			(77,013)
Common stock activity, long-term incentive plan	$ 39	12,388				12,427
Common stock activity, long-term incentive plan, Shares Issued	11
Purchase of common stock under stock buyback program (3,305 shares)		(95,613)				(95,613)
Balance at Dec. 31, 2015	$ 291,346	1,424,448	777,944	(80,595)		2,413,143
Balance, Shares Issued at Dec. 31, 2015	87,491
Net income			149,296			149,296
Other comprehensive loss, net of tax				(39,937)		(39,937)
Comprehensive income			149,296	(39,937)		109,359
Cash dividends declared ($0.96 per common share)			(76,551)			(76,551)
Common stock activity, long-term incentive plan	$ 12	12,991				13,003
Common stock activity, long-term incentive plan, Shares Issued	4
Issuance of stock from dividend reinvestment and stock purchase plan		1,515				1,515
Common stock issued in public stock offering (6,325 shares)		259,299				259,299
Balance at Dec. 31, 2016	$ 291,358	1,698,253	850,689	(120,532)		$ 2,719,768
Balance, Shares Issued at Dec. 31, 2016	87,495					87,495
Net income			215,632			$ 215,632
Other comprehensive loss, net of tax				11,460		11,460
Comprehensive income			215,632	11,460		227,092
Reclassification of certain tax effects from accumulated other comprehensive loss			(25,330)	25,330	[1]
Cash dividends declared ($0.96 per common share)			(83,266)			(83,266)
Common stock activity, long-term incentive plan	$ 1,358	16,644	133			18,135
Common stock activity, long-term incentive plan, Shares Issued	408
Issuance of stock from dividend reinvestment and stock purchase plan		3,220				3,220
Balance at Dec. 31, 2017	$ 292,716	$ 1,718,117	$ 1,008,518	$ (134,402)		$ 2,884,949
Balance, Shares Issued at Dec. 31, 2017	87,903					87,903

[1] Represents the reclassification of stranded income tax effects to Retained Earnings upon adoption of ASU 2018-02. The adjustment is discussed in more detail later in this footnote.

XML

Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Repurchased of common stock shares			$ 3,305
Common stock issued in public stock offering, Shares		6,325
Retained Earnings [Member]
Cash dividends declared, per common share	$ 0.96	$ 0.96	$ 0.96

XML

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 215,632	$ 149,296	$ 131,461
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	28,142	28,363	28,763
Provision for loan losses	58,968	110,659	73,038
(Gain) loss on other real estate owned	(2,839)	(4,444)	635
Deferred tax (benefit) expense	49,831	(7,839)	16,685
Increase in cash surrender value of life insurance contracts	(14,959)	(11,112)	(9,789)
Gain on the sale of loans	(3,363)	(4,414)
(Gain) loss on disposal of other assets	1,587	(5,180)	1,815
Net (increase) decrease in loans held for sale	3,317	(14,267)	(289)
Net amortization of securities premium/discount	33,244	29,048	21,105
Amortization of intangible assets	22,417	19,781	24,184
Amortization of FDIC indemnification assets	2,427	5,918	5,747
Stock-based compensation expense	17,633	14,266	12,944
Increase (decrease) in interest payable and other liabilities	2,307	10,315	(4,722)
Net payments (to) from FDIC for loss share claims	2,299	(3,134)	14,051
Decrease in FDIC loss share receivable	8,613	5,667	6,407
(Increase) decrease in other assets	(9,836)	15,197	(94,816)
Other, net	(4,335)	5,795	8,511
Net cash provided by operating activities	411,085	343,915	235,730
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from sales of securities available for sale	213,877	173,215	9,289
Proceeds from maturities of securities available for sale	338,843	408,311	842,114
Purchases of securities available for sale	(742,279)	(1,071,869)	(1,323,853)
Proceeds from maturities of securities held to maturity	373,088	425,453	538,777
Purchases of securities held to maturity	(863,457)	(563,661)	(749,102)
Net (increase) decrease in short-term investments	351,087	487,378	237,393
Proceeds from sale of loans	59,483	177,645	3,533
Net increase in loans	(1,051,628)	(1,331,125)	(1,868,548)
Purchase of life insurance contracts	(50,000)	(40,000)
Purchases of property and equipment	(20,297)	(19,272)	(23,804)
Proceeds from sales of property and equipment	1,853	7,445	14,259
Proceeds from sales of other real estate	24,324	24,624	47,115
Cash received in excess of cash paid for acquisitions	476,609
Other, net	(6,824)	825	(3,604)
Net cash used in investing activities	(895,321)	(1,321,031)	(2,276,431)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net increase in deposits	900,427	1,075,370	1,776,081
Net increase (decrease) in short-term borrowings	(118,151)	(198,238)	272,071
Repayments of long-term debt	(204,111)	(21,271)	(157,933)
Issuance of long-term debt	165	6,838	273,565
Dividends paid	(83,266)	(76,551)	(77,013)
Payroll tax remitted on net share settlement of equity awards	(11,881)	(3,178)	(3,385)
Repurchase of common stock			(95,613)
Proceeds from exercise of stock options	12,092	2,147	347
Proceeds from issuance of common stock in public offering		259,299
Proceeds from dividend reinvestment and stock purchase plan	3,220	1,515
Net cash provided by financing activities	498,495	1,045,931	1,988,120
NET INCREASE (DECREASE) IN CASH AND DUE FROM BANKS	14,259	68,815	(52,581)
CASH AND DUE FROM BANKS, BEGINNING	372,689	303,874	356,455
CASH AND DUE FROM BANKS, ENDING	386,948	372,689	303,874
SUPPLEMENTAL INFORMATION
Income taxes paid	45,092	30,184	31,896
Interest paid	108,702	69,624	51,201
SUPPLEMENTAL INFORMATION FOR NON-CASH INVESTING AND FINANCING ACTIVITIES
Assets acquired in settlement of loans	$ 19,140	$ 16,314	$ 15,462

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Summary of Significant Accounting Policies and Recent Accounting Pronouncements

12 Months Ended

Dec. 31, 2017

Summary of Significant Accounting Policies and Recent Accounting Pronouncements [Abstract]

Summary of Significant Accounting Policies and Recent Accounting Pronouncements

Note 1. Summary of Significant Accounting Policies and Recent Accounting Pronouncements

DESCRIPTION OF BUSINESS

Hancock Holding Company (Hancock or the Company) is a financial services company that provides a comprehensive network of full-service financial choices to the Gulf South region through its bank subsidiary, Whitney Bank (Whitney or the Bank), a Mississippi state bank. Whitney Bank operates under brands: “Hancock Bank” in Mississippi, Alabama and Florida and “Whitney Bank” in Louisiana and Texas. Whitney Bank operates a loan production office in Nashville, Tennessee under both the Hancock and Whitney Bank brands. Hancock was organized in 1984 as a bank holding company registered under the Bank Holding Company Act of 1956, as amended. In 2002, the Company qualified as a financial holding company, giving it broader powers. The corporate headquarters of the Company is in Gulfport, Mississippi.

The Bank offers a broad range of traditional and online community banking services to commercial, small business and retail customers, providing a variety of transaction and savings deposit products, treasury management services, investment brokerage services, secured and unsecured loan products, (including revolving credit facilities), and letters of credit and similar financial guarantees. The Bank also provides trust and investment management services to retirement plans, corporations and individuals.

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

The consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the U.S. (U.S. GAAP) and those generally practiced within the banking industry. Following is a summary of the more significant accounting policies.

Basis of Presentation

The consolidated financial statements include the accounts of the Company and all other entities in which the Company has a controlling interest. Significant intercompany transactions and balances have been eliminated in consolidation. Certain prior period amounts have been reclassified to conform to the current period presentation.  

Use of Estimates

The accounting principles the Company follows and the methods for applying these principles conform to U.S. GAAP and general practices followed by the banking industry. These accounting principles and practices require management to make estimates and assumptions about future events that affect the amounts reported in the consolidated financial statements and the accompanying notes. Actual results could differ from those estimates.

Fair Value Accounting

U.S. GAAP requires the use of fair values in determining the carrying values of certain assets and liabilities in the financial statements, as well as for specific disclosures about certain assets and liabilities.

Accounting guidance establishes a fair value hierarchy that prioritizes the inputs to these valuation techniques used to measure fair value giving preference to quoted prices in active markets (level 1) and the lowest priority to unobservable inputs such as a reporting entity’s own data or information or assumptions developed from this data (level 3). Level 2 inputs include quoted prices for similar assets or liabilities in active markets, quoted prices for identical assets or liabilities in markets that are not active, observable inputs other than quoted prices, such as interest rates and yield curves, and inputs that are derived principally from or corroborated by observable market data by correlation or other means.

Business Combinations

Business combinations are accounted for under the purchase method of accounting. Purchased assets, including identifiable intangibles, and assumed liabilities are recorded at their respective acquisition date fair values. If the fair value of net assets purchased exceeds the consideration given, a bargain purchase gain is recognized. If the consideration given exceeds the fair value of the net assets received or if the fair value of the net liabilities assumed exceeds the consideration received, goodwill is recognized. Fair values are subject to refinement for up to one year after the closing date of an acquisition as information relative to closing date fair values becomes available. Purchased loans acquired in a business combination are recorded at estimated fair value on their purchase date with no carryover of the related allowance for loan losses.

All identifiable intangible assets that are acquired in a business combination are recognized at the acquisition date fair value. 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).

Cash and Due from Banks

The Company considers only cash on hand, cash items in process of collection and balances due from financial institutions as cash and cash equivalents.

Securities

Securities are classified as trading, held to maturity or available for sale. Management determines the appropriate classification of debt and equity securities at the time of purchase and reevaluates this classification periodically as conditions change that could require reclassification.

Available for sale securities are stated at fair value. Unrealized holding gains and unrealized holding losses, other than those determined to be other than temporary, are reported net of tax in other comprehensive income and in accumulated other comprehensive income (“AOCI”) until realized.

Securities that the Company both positively intends and has the ability to hold to maturity are classified as securities held to maturity and are carried at amortized cost. The intent and ability to hold are not considered satisfied when a security is available to be sold in response to changes in interest rates, prepayment rates, liquidity needs or other reasons as part of an overall asset/liability management strategy.

Premiums and discounts on securities, both those held to maturity and those available for sale, are amortized and accreted to income as an adjustment to the securities’ yields using the effective interest method. Realized gains and losses on securities, including declines in value judged to be other than temporary, are reported net as a component of noninterest income. The cost of securities sold is specifically identified for use in calculating realized gains and losses.

Loans

Loans held for investment

Loans that the Company has the intent and ability to hold for the foreseeable future or until maturity or payoff are considered loans held for investment and reported as “Loans” in the Consolidated Balance Sheets and in the related footnote disclosures.  Loans held for investment include loans originated for investment and loans acquired in purchase transactions.

Originated loans are reported at the principal balance outstanding net of unearned income.  Interest on loans and accretion of unearned income, including net deferred loan fees and costs, are computed in a manner that approximates a level yield on recorded principal. Interest on loans is recognized in income as earned.

The accrual of interest on an originated loan is discontinued when, in management’s opinion, it is probable that the borrower will be unable to meet payment obligations as they become due, as well as when required by regulatory provisions. When accrual of interest is discontinued on a loan, all unpaid accrued interest is reversed and payments subsequently received are applied first to recover principal. Interest income is recognized for payments received after contractual principal has been satisfied. Loans are returned to accrual status when all the principal and interest contractually due are brought current and future payment performance is reasonably assured. 

Loans that are acquired in purchase transactions are recorded at estimated fair value at the acquisition date with no carryover of the related allowance for loan losses.  Acquired loans are segregated between those considered to be performing (“purchased credit performing”) and those with evidence of credit deterioration (“purchased credit impaired”) based on such factors as past due status, nonaccrual status and credit risk ratings (rated substandard or worse).  Purchased credit performing loans are accounted for under Accounting Standards Codification (ASC) 310-20 and purchased credit impaired loans are accounted for under ASC 310-30. Purchased credit impaired loans for which the timing and amount of future cash flows cannot be reasonably projected are accounted for using the cost recovery method.

With the exception of those accounted for using the cost recovery method, the acquired loans are further segregated into loan pools designed to facilitate the development of expected cash flows to be used in estimating fair value.  The pools are based on common risk characteristics such as market area, loan type, credit risk ratings, contractual interest rate, and repayment terms.  Loan types can include commercial and industrial loans not secured by real estate, construction and land development loans, commercial real estate loans, residential mortgage loans, and consumer loans, with further segregation within certain loan types as needed.  Expected cash flows, both principal and interest, from each pool are estimated based on key assumptions covering such factors as prepayments, default rates, and severity of loss given a default.  These assumptions are developed using both historical experience and the portfolio characteristics at acquisition as well as available market research.  The fair value estimate for each pool is based on the estimate of expected cash flows from the pool discounted at prevailing market rates.

The difference at the acquisition date between the fair value and the contractual amounts due for each purchased credit performing loan pool (the “fair value discount”) is accreted into income over the estimated life of the pool.  Purchased credit performing loans are placed on nonaccrual status and reported as nonperforming or past due using the same criteria applied to the originated portfolio. 

The excess of estimated cash flows expected to be collected from each purchased credit impaired loan pool over the pool’s carrying value is referred to as the accretable yield and is recognized in interest income using an effective yield method over the expected life of the pool.  Each pool of purchased credit impaired loans is accounted for as a single asset with a single composite interest rate and an aggregate expectation of cash flows.  Purchased credit impaired loans in pools with an accretable yield and expected cash flows that are reasonably estimable are considered to be accruing and performing even though collection of contractual payments on loans within the pool may be in doubt.  Purchased credit impaired loans accounted for in pools are generally not subject to individual evaluation for impairment and are not reported with impaired loans or troubled debt restructurings even if they would otherwise qualify for such treatment.

Loans Held for Sale

Residential mortgage loans originated for sale are classified as loans held for sale and carried at the lower of cost or market. Forward sales commitments on a best-efforts basis are entered into with third parties concurrently with rate lock commitments made to prospective borrowers. At times, management may decide to sell loans that were not originated for that purpose. Those loans are reclassified as held for sale when that decision is made and also carried at the lower of cost or market.

Impaired Loans

The Company considers a loan to be impaired when, based upon current information and events, it believes it is probable all amounts due according to the contractual terms of the loans agreement will not be collected.  A loan is not considered impaired due to a delay in payment if all amounts due, including interest accrued at the contractual interest rate of the period of delay, is expected to be collected.  Impaired loans include loans on nonaccrual, certain purchased credit impaired loans accounted for using the cost recovery method, and troubled debt restructurings (defined below), both performing and nonperforming.  Purchased credit impaired loans accounted for in pools with an accretable yield are considered performing and excluded from impaired loans as this accounting methodology takes into consideration expected future credit losses.

Troubled Debt Restructurings

Troubled debt restructurings (TDRs) occur when a borrower is experiencing, or is expected to experience, financial difficulties in the near-term and a modification in loan terms is granted that would otherwise not have been considered.

Troubled debt restructurings can result in loans remaining on nonaccrual, moving to nonaccrual, or continuing to accrue, depending on the individual facts and circumstances of the borrower. All loans whose terms have been modified in a TDR, including both commercial and retail loans, are initially considered “impaired.” When measuring impairment on a TDR, the loan’s value is determined by either the present value of expected cash flows calculated using the loan’s effective interest rate before the restructuring, or the loan’s observable market price or the fair value of the collateral if the loan is collateral dependent. If the value as determined is less than the recorded investment in the loan, the difference is charged off through the allowance for loan and lease losses. Modified acquired-impaired loans are not removed from their accounting pool and accounted for as a TDR even if those loans would otherwise be deemed TDRs.

Allowance for Loan and Lease Losses

The Allowance for Loan and Lease Losses (ALLL) is a valuation account available to absorb losses on loans. The ALLL is established and maintained at an amount sufficient to cover estimated credit losses inherent in the loan and lease portfolios of the Company as of the date of the determination. Credit losses arise not only from credit risk, but also from other risks inherent in the lending process including, but not limited to, collateral risk, operational risk, concentration risk, and economic risk. As such, all related risks of lending are considered when assessing the adequacy of the allowance for loan and lease losses. Quarterly, management estimates inherent losses in the portfolio based on a number of factors, including the Company’s past loan loss and delinquency experience, known and inherent risks in the portfolio, adverse situations that may affect the borrowers’ ability to repay, the estimated value of any underlying collateral and current economic conditions.

The analysis and methodology for estimating the ALLL include two primary elements: A loss rate analysis, which incorporates a historical loss rate as updated for current conditions, is used for loans collectively evaluated for impairment; and a specific reserve analysis is used for loans individually evaluated for impairment. For the loss rate analysis, the Company segments loans into commercial non-real estate, commercial real estate – owner occupied, commercial real estate – income producing, construction and land development, residential mortgage and consumer, with further segmentation as deemed appropriate. Both quantitative and qualitative factors are applied at the detailed portfolio segments. Commercial loans (commercial non-real estate, commercial real estate – owner occupied, commercial real estate – income producing and construction and land development), are further subdivided by risk rating, while retail loans (residential mortgage and consumer) are further subdivided by delinquency. The Company uses loss emergence periods developed based on historical experience, which is currently 24 months for commercial loans and twelve to eighteenmonths for retail and residential mortgage loans. Historical loss rates are calculated using a weighted average of the most recent three loss emergence periods. As circumstances dictate, management will make adjustments to the overall loss rate to reflect differences in current conditions as compared to those during the historical loss period. Conditions to be considered include problem loan trends, current business and economic conditions, credit concentrations, lending policies and procedures, lending staff, collateral values, loan profiles and volumes, loan review quality, and changes in competition and regulations.

When a loan is determined to be impaired, the amount of impairment is recognized by creating a specific allowance for any shortfall between the loan’s value and its recorded investment. The loan’s value is measured by either the loan’s observable market price, the fair value of the collateral of the loan (less liquidation costs) if it is collateral dependent, or by the present value of expected future cash flows discounted at the loan’s effective interest rate. Loans individually analyzed for impairment are not incorporated into the pool analysis to avoid double counting. The Company limits the specific reserve analysis to include all impaired commercial and residential mortgage loans with relationship balances of $1 million or greater and all loans classified as troubled debt restructurings.

The monitoring of credit risk also extends to unfunded credit commitments, such as unused commercial credit lines and letters of credit, and management establishes reserves as needed for its estimate of probable losses on such commitments.

It is the policy of the Company to promptly charge off all commercial and residential mortgage loans, or portions of loans, when available information reasonably confirms that they are wholly or partially uncollectible. Prior to recognizing a loss, asset value is established based on an assessment of the value of the collateral securing the loan, the borrower’s and the guarantor’s ability and willingness to pay and the status of the account in bankruptcy court, if applicable. Consumer loans are generally charged down when the loan is 90 days past due for unsecured loans or 120 days past due for secured loans, unless the loan is clearly both well secured and in the process of collection. Loans are charged down to the fair value of the collateral, if any, less estimated selling costs. Loans are charged off against the allowance for loan losses with subsequent recoveries added back to the allowance.

Allowance for purchased credit performing loans is evaluated at each reporting date subsequent to acquisition.  An allowance is determined for each loan pool using a methodology similar to that described above for originated loans and then compared to the remaining fair value discount for that pool.  If the allowance is greater than the discount, the excess is recognized as an addition to the allowance through a provision for loan losses.  If the allowance is less than the discount, no additional allowance is recognized.

For purchased credit impaired loans accounted for in pools, estimated cash flows expected to be collected are recast at each reporting date for each loan pool. These evaluations require the continued use and updating of key assumptions and estimates such as default rates, loss severity given default and prepayment speed assumptions, similar to those used for the initial fair value estimate.  Management’s judgment must be applied in developing these assumptions.  If the present value of expected cash flows for a pool is less than its carrying value, impairment is recognized by an increase in the allowance for loan losses and a charge to the provision for loan losses. If the present value of expected cash flows for a pool is greater than its carrying value, any previously established allowance for loan losses is reversed and any remaining difference increases the accretable yield which will be taken into interest income over the remaining life of the loan pool. 

Property and Equipment

Property and equipment are recorded at cost, less accumulated depreciation and amortization. Depreciation is charged to expense using the straight-line method over the estimated useful lives of the assets, which are up to 30 years for buildings and three to ten years for most furniture and equipment. Amortization expense for software is generally charged over three years, or seven years for core systems. Leasehold improvements are amortized over the terms of the respective leases or the estimated useful lives of the improvements, whichever is shorter. The Company evaluates whether events and circumstances have occurred that indicate that such long-lived assets have been impaired. Measurement of any impairment of such long-lived assets is based on their fair values.

Property and equipment used in operations is considered held for sale when certain criteria are met, including when management has committed to a plan to sell the asset, the asset is available for sale in its immediate condition, and the sale is probable within one year of the reporting date. Assets held for sale are reported at the lower of cost or fair value less costs to sell.Gains and losses related to retirement or disposition of property and equipment are recorded in other income under noninterest income on the consolidated statements of income as realized.  

Other Real Estate

Other real estate owned includes real property that has been acquired in satisfaction of loans and property no longer used in the Bank’s business. These assets are recorded at the estimated fair value less the estimated cost of disposition and carried at the lower of either cost or market. Fair value is based on independent appraisals and other relevant factors. Any initial reduction in the carrying amount of a loan to the fair value of the collateral received less selling costs is charged to the allowance for loan losses. Other real estate is revalued on an annual basis or more often if market conditions necessitate. Subsequent losses on the periodic revaluation of the property are charged to current earnings, as are revenues from and costs of operating and maintaining the properties and gains or losses recognized on their disposition. Improvements made to properties are capitalized if the expenditures are expected to be recovered upon the sale of the properties.

Goodwill and Other Intangible Assets

Goodwill represents the excess of consideration paid over the fair value of net assets acquired or the excess of the fair value liabilities assumed over consideration received in a business combination.  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.  The impairment test compares the estimated fair value of a reporting unit with its net book value.  The Company has assigned all goodwill to one reporting unit that represents overall banking operations. The fair value of the reporting unit is based on valuation techniques that market participants would use in an acquisition of the whole unit, such as estimated discounted cash flows, the quoted market price of  the Company’s stock, adjusted for a control premium, and observable average price-to-earnings and price-to-book multiples of competitors.  If the unit’s fair value is less than its carrying value, an estimate of the implied fair value of the goodwill is compared to the goodwill’s carrying value, and any impairment recognized.

Other identifiable intangible assets with finite lives, such as core deposit intangibles and trade name, are initially recorded at fair value and are generally amortized over the periods benefited. These assets are evaluated for impairment similar to long-lived assets.

Life Insurance Contracts

Bank-owned life insurance contracts (BOLI) are comprised of long-term life insurance contracts on the lives of certain current and past employees where the insurance policy benefits and ownership are retained by the employer. Its cash surrender value is an asset that the Company uses to partially offset the future cost of employee benefits. The cash value accumulation on BOLI is permanently tax deferred if the policy is held to the insured person’s death and certain other conditions are met.

FDIC Loss Share Receivable

Loans purchased in the 2009 acquisition of Peoples First Community Bank (Peoples First) were covered by two loss share agreements between the FDIC and the Company. The loss share receivable was measured separately from the related covered loans as it was not contractually embedded in the loans and was not transferrable should the loans be sold.  The fair value of the loss share receivable at acquisition was estimated by discounting expected reimbursements for losses from the loans covered by the loss share agreements, including appropriate consideration of possible true-up payments to the FDIC at the expiration of the agreements.

Prior to termination of the agreements in July 2017, the loss share receivable was reviewed and updated prospectively as loss estimates related to covered loan pools changed. Increases in expected reimbursements under the loss sharing agreement led to an increase in the loss share receivable. A decrease in expected reimbursements was reflected first as a reversal of any previously recorded increase in the loss share receivable on the covered loan pool with the remainder reflected as a reduction in the loss share receivable’s accretion rate. Increases and decreases in the loss share receivable related to changes in loss estimates resulted in reductions in or additions to the provision for loan losses, which serves to offset the impact on the provision from impairments or impairment reversals recognized on the underlying covered loan pool. The excess (or shortfall) of expected claims as compared to the carrying value of the loss share receivable was accreted (amortized) into noninterest income over the shorter of the remaining life of the covered loan pool or the life of the loss share agreement. The impact on operations of a reduction in the loss share receivable’s accretion rate was associated with an increase in the accretable yield on the underlying loan pool. The loss share receivable was reduced as cash was received from the FDIC related to losses incurred on covered assets.

Derivative Instruments and Hedging Activities

The Company records all derivatives on the balance sheet at fair value as components of other assets and other liabilities. Effective January 3, 2017, the Company’s central clearing counterparty amended its rulebook to legally characterize variation margin accounts as settlements, rather than being reflected separately as collateral.  As a result of the change, the Company began prospectively reflecting derivative assets and liabilities net of the central clearing counterparty derivative margin account.The accounting for changes in the fair value of derivatives depends on the intended use of the derivative, whether the Company has elected to designate a derivative in a hedging relationship and apply hedge accounting and whether the hedging relationship has satisfied the criteria necessary to apply hedge accounting. Derivatives designated and qualifying as a hedge of the exposure to changes in the fair value of an asset, liability, or firm commitment attributable to a particular risk, such as interest rate risk, are considered fair value hedges. Derivatives designated and qualifying as a hedge of the exposure to variability in expected future cash flows, or other types of forecasted transactions, are considered cash flow hedges. Hedge accounting generally provides for the matching of the timing of gain or loss recognition on the hedging instrument with the recognition of the changes in the fair value of the hedged asset or liability that are attributable to the hedged risk in a fair value hedge or the earnings effect of the hedged forecasted transactions in a cash flow hedge.

For derivatives designated as hedging the exposure to changes in the fair value of an asset or liability (fair value hedge), the gain or loss is recognized in earnings in the period of the fair value change together with the offsetting loss or gain on the hedged item attributable to the risk being hedged. Earnings will be affected to the extent to which the hedge is not effective in achieving offsetting changes in fair value. For derivatives designated as hedging exposure to variable cash flows of a forecasted transaction (cash flow hedge), the effective portion of the derivative’s gain or loss is initially reported as a component of other comprehensive income and subsequently reclassified into earnings when the forecasted transaction affects earnings or in certain circumstances, when the hedge is terminated. The ineffective portion of the gain or loss is reported in earnings immediately. For derivatives that are not designated as hedging instruments, changes in the fair value of the derivatives are recognized in earnings immediately.

In applying hedge accounting for derivatives, the Company establishes a method for assessing the effectiveness of the hedging derivative and a measurement approach for determining the ineffective aspect of the hedge upon the inception of the hedge. These methods are consistent with the Company’s approach to managing risk.

Note 10 - Derivatives describes the derivative instruments currently used by the Company and discloses how these derivatives impact the Company’s financial position and results of operations.

Stockholders’ Equity

Common stock reflects shares issued at par value.  Repurchase of the Company’s common stock (treasury stock) is recorded at cost as a reduction of stockholders’ equity within capital surplus in the accompanying Consolidated Balance Sheets and the Statements of Changes in Stockholders’ Equity.  When treasury shares are subsequently reissued, treasury stock is reduced by the cost of such stock using the first-in-first-out method, with the difference recorded in capital surplus or retained earnings, as applicable.

Income Taxes

Income taxes are accounted for using the asset and liability method. Current tax liabilities or assets are recognized for the estimated income taxes payable or refundable on tax returns to be filed with respect to the current year. Deferred tax assets and liabilities are based on temporary differences between the financial statement carrying amounts and the tax bases of the Company’s assets and liabilities. Deferred tax assets and liabilities are measured using the enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be realized or settled. Valuation allowances are established against deferred tax assets if, based on all available evidence, it is more likely than not that some or all of the assets will not be realized. The benefit of a position taken or expected to be taken in a tax return is recognized when it is more likely than not that the position will be sustained on its technical merits. The effects of changes in tax rates and laws upon deferred tax balances are recognized in the period in which the legislation is enacted.

The Company makes investments that generate investment tax credits (ITC).  The Company uses the deferral method of accounting which results in the investment tax credits being recognized as a reduction of the related asset.

The Company also invests in projects that yield tax credits issued under the Qualified Zone Academy Bonds (QZAB), Qualified School Construction Bonds (QSCB), Federal and State New Market Tax Credit (NMTC), and Low-Income Housing Tax Credit (LIHTC) programs. Returns on these investments are generated through the receipt of federal and state tax credits. The tax credits are recorded as a reduction to the income tax provision in the year that they are earned. Tax credits from QZAB and QSCB bonds are generally earned over the life of the bonds in lieu of interest income. Credits on Federal NMTC investments are earned over the 7 year compliance period beginning with the year of investment. Credits on State NMTC investments are generally earned over a 3 to 5 year period depending upon the specific state program. Tax credits are earned over a 10 year period for Low-Income Housing investments beginning with the year in which rental activity begins. These tax credits, if not used in the tax return for the year when the credits are first available for use, can be carried forward for 20 years. For those investments where the return of the principal is not expected, the equity investment is amortized over the life of the tax compliance period as a component of noninterest expense.

Retirement Benefits

The Company sponsors defined benefit pension plans and certain other defined benefit postretirement plans for eligible employees. The amounts reported in the consolidated financial statements with respect to these plans are based on actuarial valuations that incorporate various assumptions regarding future experience under the plans. Note 16 – Retirement Benefit Plans discusses the actuarial assumptions and provides information about the liabilities or assets recognized for the funded status of the Company’s obligations under these plans, the net benefit expense charged to current operations, and the amounts recognized as a component of other comprehensive income and AOCI.

Share-Based Payment Arrangements

The grant date fair value of equity instruments awarded to employees and directors establishes the cost of the services received in exchange, and the cost associated with awards that are expected to vest is recognized over the requisite service period.  Share-based compensation for service-based awards that contain a graded vesting schedule is recognized over on a straight-line basis over the requisite service period for the entire award. Forfeitures of unvested awards are recognized in earnings in the period in which they occur. Refer to Note 17 – Share-Based Payment Arrangements for additional information.

Revenue Recognition

The largest source of revenue for the Company is interest revenue. Interest revenue is recognized on an accrual basis driven by written contracts, such as loan agreements or securities contracts. Loan origination fees are recognized over the life of the loan as an adjustment to yield. Other credit-related fees, including letter of credit fees, are recognized in noninterest income when earned. The Company recognizes commission revenue and brokerage, exchange and clearance fees on a trade-date basis. Other types of noninterest revenue such as service charges on deposits and trust revenues are accrued and recognized into income as services are provided and the amount of fees earned can be reasonably determined.

Earnings Per Share

The Company calculates earnings per share using the two-class method. The two-class method allocates net income to each class of common stock and participating security according to the common dividends declared and participation rights in undistributed earnings. Participating securities currently consist of unvested share-based payment awards that contain nonforfeitable rights to dividends or dividend equivalents.

Basic earnings per common share is computed by dividing income applicable to common shareholders by the weighted-average number of common shares outstanding for the applicable period. Shares outstanding exclude treasury shares and unvested share-based payment awards under long-term incentive compensation plans and directors’ compensation plans. Diluted earnings per common share is computed using the weighted-average number of common shares outstanding increased by the number of shares in which employees would vest under performance-based stock awards and stock unit awards based on expected performance factors and by the number of additional shares that would have been issued if potentially dilutive stock options were exercised, each as determined using the treasury stock method.

Reportable Segment Disclosures

Accounting standards require that information be reported about a company’s operating segments using a “management approach.” Reportable segments are identified in these standards as those revenue-producing components for which discrete financial information is produced internally and which are subject to evaluation by the chief operating decision maker in deciding how to allocate resources to segments. The Company has one state bank charter and its stated strategy is focused on providing a consistent package of community banking products and services throughout a coherent market area; as such, the Company has identified its overall banking operations as its only reportable segment. Because the overall banking operations comprise substantially all of the Company’s consolidated operations, no separate segment disclosures are presented.

Other

Assets held by the Bank in a fiduciary capacity are not assets of the Bank and are not included in the Consolidated Balance Sheets.

RECENT ACCOUNTING PRONOUNCEMENTS

Accounting Standards Adopted in 2017

In February 2018, the FASB issued Accounting Standards Update (“ASU”) 2018-02, “Income Statement – Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income.” The ASU allows reclassification from accumulated other comprehensive income/loss to retained earnings for stranded tax effects resulting from the newly enacted federal corporate tax rate. The amendments in this updateare effective for all entities for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption of the amendments is permitted, including adoption in any interim period, for public business entities for reporting periods for which financial statements have not yet been issued.  The amendments in this update should be applied retrospectively to each period (or periods) in which the effect of the change in the U.S. federal corporate income tax rate in the Tax Cuts and Jobs Act of 2017 is recognized. The Company early adopted this guidance retrospectively, which resulted in a reclassification of $25.3 million from Accumulated Other Comprehensive Loss, Net to Retained Earnings reflected in the Company’s consolidated balance sheet as of December 31, 2017.  Refer to Note 13 – Income Taxes for more information of the provisions of the Tax Cuts and Jobs Act and its impact to the Company’s financial condition and results of operations.

In March 2017, the FASB issued ASU 2017-08, “Receivables – Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities,” which amends the amortization period for certain purchased callable debt securities held at a premium.  The amendments require the premium to be amortized to the earliest call date.  The amendments do not, however, require an accounting change for securities held at a discount; instead, the discount continues to be amortized to maturity.  The amendments in this ASU more closely align the amortization period of premiums and discounts to expectations incorporated in market pricing on the underlying securities.  These amendments are effective for fiscal years, and for interim periods within those fiscal years, beginning after December 15, 2018.  The Company early adopted this amendment in the second quarter of 2017 and, in accordance with the standards, the Company began amortizing the premium for certain purchased callable debt securities to the earliest call date.  The adoption of this guidance did not have a material impact on the Company’s financial condition or results of operations.

In March 2016, the FASB issued ASU 2016-09, “Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting,” to improve the accounting for employee share-based payments. Several aspects of the accounting for share-based payment award transactions are simplified, including income tax consequences; classification of awards as either equity or liabilities; and classification on the statement of cash flows.  The amendments were effective for public business entities for annual periods beginning after December 15, 2016, and interim periods within those annual periods.  The Company adopted the guidance effective January 1, 2017.  In accordance with the standard, the Company elected to account for forfeitures of stock-based compensation as they occur and began reclassifying dividends paid on forfeited shares to compensation expense from retained earnings.  Classification of shares forfeited for taxes are now reflected in the statement of cash flows as a financing rather than operating activity, with all historical periods restated.  In addition, the Company began recognizing excess tax benefits and tax deficiencies during the period in income (rather than in equity) on a prospective basis.  Adoption of this guidance did not have a material impact on the Company’s financial condition or results of operations; however, the prospective change in treatment of excess tax benefits resulted in a reduction of income tax expense of approximately $5.8 million for the year ended December 31, 2017, and could result in volatility of future earnings, depending on changes in the Company’s stock price.

Accounting Standards Issued but Not Yet Adopted at December 31, 2017

In August 2017, the FASB issued ASU 2017-12, “Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities,” with the objective of improving financial reporting of hedging relationships to better portray the economic results of an entity’s risk management activities in its financial statements. The update provides changes to both the designation and measurement guidance for qualifying hedging relationships and the presentation of hedge results. The amendments in this update are effective for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early application is permitted in any interim period after issuance of the update. All transition requirements and elections are to be applied to hedging relationships existing on the date of adoption, and the effect of the adoption should be reflected as of the beginning of the fiscal year of adoption.  The Company expects to early adopt this guidance in 2018, using a modified retrospective transition. Adoption of this guidance will not have a material impact upon the Company’s financial condition or results of operations.

In March 2017, the FASB issued ASU 2017-07, “Compensation – Retirement Benefits (Topic 715):  Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Costs,” to improve the presentation of net periodic pension cost and net periodic postretirement benefit cost.  The amendments require that an employer report the service cost component in the same line item or items as other compensation costs arising from services rendered by the pertinent employees during the period.  The other components of net benefit cost are required to be presented in the income statement separately from the service cost component and outside a subtotal of income from operations, if one is presented.  The amendments also allow only the service cost component to be eligible for capitalization when applicable.  These amendments are effective for public business entities for annual periods beginning after December 15, 2017, including interim periods within those annual periods.  Disclosures of the nature of and reason for the change in accounting principle are required in the first interim and annual periods of adoption.  The amendments should be applied retrospectively for the presentation of the service cost component and the other components of net periodic pension cost and net periodic postretirement benefit cost in the income statement and prospectively, on and after the effective date, for the capitalization of the service cost component of net periodic pension cost and net periodic postretirement benefit in assets. Refer to Note 15 – Retirement Benefit Plans – for detail on the components of net periodic pension and post-retirement benefit costs.   Application of this guidance applies only to presentation and will not have a material impact on the Company’s financial condition or results of operations.

In June 2016, the FASB issued ASU 2016-13, “Financial Instruments – Credits Losses (Topic 326): Measurement of Credit Losses on Financial Instruments,” to improve financial reporting by requiring timelier recording of credit losses on loans and other financial instruments held by financial institutions and other organizations.  The ASU, more commonly referred to as Current Expected Credit Losses, or CECL, requires the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts.  Financial institutions and other organizations will now use forward-looking information to better inform their credit loss estimates.  Many of the loss estimation techniques currently applied will still be permitted, although the inputs to those techniques will change to reflect the full amount of expected credit losses.  Organizations will continue to use judgment to determine which loss estimation method is appropriate for their circumstances.  In addition, the ASU amends the accounting for credit losses on debt securities and purchased financial assets with credit deterioration.  The ASU is effective for SEC filers for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019, with a cumulative-effect adjustment to retained earnings as of the beginning of the year of adoption.  Early application is permitted for all organizations for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018.  The Company is not planning to early adopt this guidance. The Company has engaged a third party to assist in the development of a project roadmap and has formed a cross-functional working group comprised of individuals from various areas including credit, finance, risk management, and information technology. The Company expects the guidance will result in an increase in the allowance for loan losses given the change from covering losses inherent in the portfolio to covering losses over the remaining expected life of the portfolio and the nonaccretable difference on purchased credit impaired loans moving to an allowance (offset by an increase in the carrying value of the related loans). The guidance will also result in the establishment of an allowance for credit loss on held to maturity debt securities.  The amount of the increase in these allowances will be impacted by the portfolio composition and quality at the adoption date as well as economic conditions and forecasts at that time.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842),” that provides new lease accounting guidance.  Under the guidance, lessees (with the exception of short-term leases) will be required to recognize a lease liability, which is a lessee’s obligation to make lease payments arising from a lease, measured on a discounted basis; and a right-of-use asset, which is an asset that represents the lessee’s right to use, or control the use of, a specified asset for the lease term.  Lessor accounting is largely unchanged.  Lessees will need to recognize almost all leases on their balance sheet as a right-of-use asset and a lease liability.  Lessees will no longer be provided with a source of off-balance sheet financing.  Public business entities are required to apply the amendments for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years.  In the first quarter of 2018, the FASB issued a targeted improvement standard that allows an additional transition method to the new lease standard by recognizing a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption.  Consequently, an entity’s reporting for the comparative periods presented in the financial statements in which the entity adopts the new lease requirements would continue to be in accordance with current GAAP (Topic 840), including disclosures.  The Company plans to elect this transition method.  The Company has selected and will soon begin implementation of a third-party vendor solution. The Company expects a gross-up of its Consolidated Balance Sheets as a result of recognizing lease liabilities and right of use assets; the extent of such is under evaluation.  The Company does not expect material changes to its consolidated results of operations as a result of the application of this guidance.

In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers (Topic 606),” affecting any entity that enters into contracts with customers to transfer goods or services or enters into contracts for the transfer of nonfinancial assets unless those contracts are within the scope of other standards. The core principle of this standard is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. Most revenue associated with financial instruments, including interest and loan origination fees, is outside the scope of the guidance. Gains and losses on investment securities, derivatives, and sales of financial instruments are also excluded from the scope.  Subsequent to issuance of the revenue recognition guidance, the FASB has issued several updates that deferred by one year the effective date for revenue recognition guidance; clarified its guidance for performing the principal-versus-agent analysis; clarified guidance for identifying performance obligations allowing entities to ignore immaterial promised goods and services in the context of a contract with a customer and other clarifying guidance and technical corrections.  Entities can elect to adopt the guidance either on a full or modified retrospective basis.  Full retrospective adoption will require a cumulative effect adjustment to retained earnings as of the beginning of the earliest comparative period presented.  Modified retrospective adoption will require a cumulative effect adjustment to retained earnings as of the beginning of the reporting period in which the entity first applies the new guidance.  The standard is effective for the Company for annual reporting periods beginning after December 15, 2017.  The Company has completed its evaluation of contracts for compliance with the standard and will adopt this guidance in 2018 using the modified retrospective approach. The Company did not identify any material changes to the timing of revenue recognition. The Company will present certain underwriting costs (currently offset against Investment and Annuity Fees), as well as certain subadvisor costs (currently offset against Trust Fees) gross as noninterest expense upon adoption.   Adoption of this guidance will not have a material impact on the Company’s financial condition or results of operations and there will be no cumulative effect adjustment to opening retained earnings, as such an adjustment is deemed insignificant.

Additionally, the following ASUs are applicable to the Company and will be implemented in 2018, or later as the standards become effective, but are not expected to have a significant impact on the Company’s consolidated financial statements:

· ASU 2017-09, Compensation – Stock Compensation (Topic 718): Scope of Modification Accounting;

· ASU 2017-04, Intangibles – Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment;

· ASU 2017-01, Business Combinations (Topic 805): Clarifying the Definition of a Business;

· ASU 2016-16, Income Taxes (Topic 740): Intra-Entity Transfers of Assets Other than Inventory;

· ASU 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments; and

· ASU 2016-01, Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities

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Acquisitions

12 Months Ended

Dec. 31, 2017

Acquisitions [Abstract]

Acquisitions

Note2. Acquisitions

On March 10, 2017, the Company, through its banking subsidiary, Whitney Bank, acquired certain assets and assumed certain liabilities, including nine branches, from First NBC Bank (“FNBC”), referred to as the FNBC I transaction.  Whitney paid approximately $323 million in cash consideration ($326 million cash paid net of $3 million in branch cash acquired), including a $41.6 million transaction premium for the earnings stream acquired. 

On April 28, 2017, the Louisiana Office of Financial Institutions (“OFI”) closed FNBC and appointed the FDIC as receiver.  Whitney entered into a purchase and assumption agreement with the FDIC, referred to as the FNBC II transaction. Pursuant to the agreement, Whitney acquired selected assets and assumed select liabilities of the former FNBC, including substantially all of the transaction and savings deposits, and continued to operate its 29 branch locations.  Whitney had the option to purchase (or assume the leases for) the branch and non-branch locations, including furniture, fixtures, and equipment, subsequent to the date of the transaction. This option was exercised for seven branch locations. Whitney paid a premium of $35 million to the FDIC for the earnings stream acquired and received approximately $800 million in cash ($642 million from the FDIC for the net liabilities assumed and $158 million in branch cash acquired). 

The FNBC I and FNBC II transactions were accounted for as business combinations and therefore, assets acquired and liabilities assumed were recorded at estimated fair values on the acquisition dates.  The following table sets forth the acquisition date fair value of  the assets acquired and liabilities assumed, the consideration paid or received, and the resulting goodwill recorded in each of the FNBC I and FNBC II transactions, and in the aggregate.

		FNBC I		FNBC II
(in thousands)		March 10, 2017		April 28, 2017		Total
ASSETS
Cash and due from banks	$	2,856	$	157,932	$	160,788
Interest-bearing time deposits with other banks		—		382,622		382,622
Fed funds sold and other short-term investments		—		148		148
Securities		—		213,877		213,877
Total loans		1,203,092		165,577		1,368,669
Property and equipment		11,946		8,988		20,934
Accrued interest receivable		3,143		885		4,028
Identifiable intangible assets		3,900		21,400		25,300
Deferred tax asset		856		1,364		2,220
Other assets		63		4,150		4,213
Total identifiable assets		1,225,856		956,943		2,182,799
LIABILITIES
Deposits		398,171		1,530,338		1,928,509
Short-term borrowings		510,749		85,886		596,635
Long-term debt		93,120		—		93,120
Other liabilities		1,607		3,079		4,686
Total liabilities		1,003,647		1,619,303		2,622,950
Net identifiable assets acquired (liabilities assumed)		222,209		(662,360)		(440,151)
Consideration (Paid) Received		(325,756)		641,577		315,821
Goodwill	$	103,547	$	20,783	$	124,330

The loans acquired were recorded at estimated fair value at the acquisition dates with no carryover of the related allowance for loan losses.  Substantially all of the loans acquired were considered to be performing (“purchased credit performing”) based on such factors as past due status and nonaccrual status, and were accounted for under Accounting Standards Codification (“ASC”) 310-20.  The unpaid principal balance of the performing loans acquired totaled $1.4 billion, of which $31.7 million is not expected to be collected.  The difference at the acquisition dates between the fair value and the contractual amounts due (the “fair value discount”) of $41.0million will be accreted into income over the estimated lives of the loan pools established in the valuation. Loans with an unpaid principal balance of $39.9 million and a fair value of $15.0 million were considered to be purchased credit impaired and were accounted for under ASC 310-30 using the cost recovery method; as such, the related fair value discount of $24.9 million will not be accreted into income.

The Company assumed approximately $690 million of borrowings in the transactions, consisting of short-term and long-term Federal Home Loan Bank (“FHLB”) borrowings and securities sold under repurchase agreements.  The short-term FHLB borrowings consisted of $460 million in variable rate term notes and $51 million in fixed rate term notes.  The long-term FHLB borrowings included $93.1 million in fixed rate term notes.  Identifiable intangible assets consist of core deposit intangibles totaling $25.3 million that are being amortized using sum of years’ digits over the asset’s life of eight years for the FNBC I transaction and eleven years for the FNBC II transaction.  Goodwill totaling $124.3 million represents the excess of the consideration paid over the fair value of the net assets acquired, or the excess of the fair value of the net liabilities assumed over the consideration received. It is comprised of estimated future economic benefits arising from these transactions that cannot be individually identified or do not qualify for separate recognition. These benefits include increased market share in the Greater New Orleans and Florida Panhandle market areas, expected earnings streams, and operational efficiencies that the Company believes will result from these business combinations. The tax basis of the goodwill generated from these transactions is expected to be deductible for federal income tax purposes.

The following table illustrates the change in the Company’s goodwill for the year ended December 31, 2017:

(in thousands)
Goodwill balance at December 31, 2016	$	621,193
Additions and adjustments:
Initial goodwill recorded in FNBC I transaction		95,568
Measurement period adjustments - FNBC I transaction		7,979
Initial goodwill recorded in FNBC II transaction		23,009
Measurement period adjustments - FNBC II transaction		(2,226)
Goodwill balance at December 31, 2017	$	745,523

The operating results of the Company for the year ended December 31, 2017 include the results from the operations acquired in the FNBC transactions since the respective acquisition dates.  Estimating reliable historical financial information is impracticable as only selected components of the businesses, as historically operated, were acquired. A number of post-acquisition events, including the consolidation of certain branch locations and the integration of operations, cash and investments acquired make quantifying discrete earnings contributions of the businesses acquired impracticable.  As such, neither supplemental pro forma financial information of the combined entity, nor revenue and earnings contributed by the businesses acquired since the dates of acquisition are presented.

The Company incurred merger-related costs in connection with the FNBC I and FNBC II transactions.  The following table reflects the merger-related costs for the year ended December 31, 2017 for both the FNBC I and FNBC II transactions combined.  The Company does not expect to incur additional merger-related costs related to the FNBC transactions in any subsequent period.

(in thousands)
Personnel expense	$	3,662
Net occupancy and equipment expense		777
Professional services expense		9,681
Data processing expense		974
Other real estate		(1,511)
Advertising expense		1,389
Other expense		4,398
Total merger-related expenses	$	19,370

Pending Business Combination

In December 2017, the Company announced that it had entered into an agreement to acquire the bank-managed high net worth individual and institutional investment management and trust business from Capital One, National Association (“Capital One”). The transaction is expected to close in the second quarter of 2018, pending regulatory approval and the satisfaction of customary and other closing conditions.  

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Securities

12 Months Ended

Dec. 31, 2017

Securities [Abstract]

Securities

Note 3. Securities

The amortized cost and fair value of securities classified as available for sale and held to maturity follow.

Securities Available for Sale
	December 31, 2017								December 31, 2016
			Gross		Gross						Gross		Gross
	Amortized		Unrealized		Unrealized		Fair		Amortized		Unrealized		Unrealized		Fair
(in thousands)	Cost		Gains		Losses		Value		Cost		Gains		Losses		Value
U.S. Treasury and   government agency   securities	$	99,535	$	—	$	2,263	$	97,272	$	56,751	$	—	$	1,923	$	54,828
Municipal obligations		245,997		1,135		3,346		243,786		253,228		113		11,186		242,155
Residential mortgage-backed  securities		1,729,989		5,611		20,387		1,715,213		1,620,191		10,592		19,428		1,611,355
Commercial mortgage-backed  securities		704,518		480		17,863		687,135		425,750		—		23,159		402,591
Collateralized mortgage   obligations		165,518		4		1,559		163,963		202,580		490		591		202,479
Corporate debt securities		3,500		—		—		3,500		3,500		—		—		3,500
	$	2,949,057	$	7,230	$	45,418	$	2,910,869	$	2,562,000	$	11,195	$	56,287	$	2,516,908

Securities Held to Maturity
	December 31, 2017								December 31, 2016
			Gross		Gross						Gross		Gross
	Amortized		Unrealized		Unrealized		Fair		Amortized		Unrealized		Unrealized		Fair
(in thousands)	Cost		Gains		Losses		Value		Cost		Gains		Losses		Value
U.S. Treasury and   government agency   securities	$	50,000	$	—	$	289	$	49,711	$	50,000	$	—	$	44	$	49,956
Municipal obligations		723,094		8,323		4,245		727,172		648,093		2,147		20,175		630,065
Residential mortgage-backed securities		725,748		4,175		2,690		727,233		862,162		4,329		3,068		863,423
Commercial mortgage-backed securities		317,185		40		3,915		313,310		75,739		—		4,038		71,701
Collateralized mortgage   obligations		1,161,484		572		17,472		1,144,584		864,226		1,420		10,674		854,972
	$	2,977,511	$	13,110	$	28,611	$	2,962,010	$	2,500,220	$	7,896	$	37,999	$	2,470,117

The following tables present the amortized cost and fair value of debt securities at December 31, 2017 by contractual maturity. Actual maturities will differ from contractual maturities because of rights to call or repay obligations with or without penalties and scheduled and unscheduled principal payments on mortgage-backed securities and collateral mortgage obligations.

(in thousands)	Amortized Cost		Fair Value
Debt Securities Available for Sale
Due in one year or less	$	7,624	$	7,658
Due after one year through five years		40,743		41,083
Due after five years through ten years		1,226,635		1,208,735
Due after ten years		1,674,055		1,653,393
Total available for sale debt securities	$	2,949,057	$	2,910,869

(in thousands)	Amortized Cost		Fair Value
Debt Securities Held to Maturity
Due in one year or less	$	10,686	$	10,695
Due after one year through five years		122,555		122,339
Due after five years through ten years		1,052,688		1,051,036
Due after ten years		1,791,582		1,777,940
Total held to maturity debt securities	$	2,977,511	$	2,962,010

The Company held no securities classified as trading at December 31, 2017 or 2016.  

The details for securities classified as available for sale with unrealized losses as of December 31, 2017 follow.

Available for sale
	Losses < 12 Months				Losses 12 Months or >				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(in thousands)	Value		Losses		Value		Losses		Value		Losses
U.S. Treasury and government   agency securities	$	45,616	$	42	$	51,157	$	2,221	$	96,773	$	2,263
Municipal obligations		2,768		11		173,530		3,335		176,298		3,346
Residential mortgage-backed securities		461,835		4,195		898,099		16,192		1,359,934		20,387
Commercial mortgage-backed securities		203,618		995		411,046		16,868		614,664		17,863
Collateralized mortgage obligations		128,174		1,076		35,488		483		163,662		1,559
	$	842,011	$	6,319	$	1,569,320	$	39,099	$	2,411,331	$	45,418

The details for securities classified as available for sale with unrealized losses as of December 31, 2016 follow.

Available for sale
	Losses < 12 Months				Losses 12 Months or >				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(in thousands)	Value		Losses		Value		Losses		Value		Losses
U.S. Treasury and government   agency securities	$	54,788	$	1,923	$	—	$	—	$	54,788	$	1,923
Municipal obligations		228,588		11,186		—		—		228,588		11,186
Residential mortgage-backed securities		1,087,644		19,359		3,738		69		1,091,382		19,428
Commercial mortgage-backed securities		402,591		23,159		—		—		402,591		23,159
Collateralized mortgage obligations		83,701		591		—		—		83,701		591
	$	1,857,312	$	56,218	$	3,738	$	69	$	1,861,050	$	56,287

The details for securities classified as held to maturity with unrealized losses as of December 31, 2017 follow.

Securities Held to Maturity
	Losses < 12 Months				Losses 12 Months or >				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(in thousands)	Value		Losses		Value		Losses		Value		Losses
U.S. Treasury and government   agency securities	$	—	$	—	$	49,711	$	289	$	49,711	$	289
Municipal obligations		14,603		19		230,960		4,226		245,563		4,245
Residential mortgage-backed securities		8,815		99		230,277		2,591		239,092		2,690
Commercial mortgage-backed securities		174,882		744		72,499		3,171		247,381		3,915
Collateralized mortgage obligations		570,289		5,653		472,536		11,819		1,042,825		17,472
	$	768,589	$	6,515	$	1,055,983	$	22,096	$	1,824,572	$	28,611

The details for securities classified as held to maturity with unrealized losses as of December 31, 2016 follow.

Securities Held to Maturity
	Losses < 12 Months				Losses 12 Months or >				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(in thousands)	Value		Losses		Value		Losses		Value		Losses
U.S. Treasury and government   agency securities	$	49,956	$	44	$	—	$	—	$	49,956	$	44
Municipal obligations		494,470		19,706		11,750		469		506,220		20,175
Residential mortgage-backed securities		278,369		3,068		—		—		278,369		3,068
Commercial mortgage-backed securities		71,701		4,038		—		—		71,701		4,038
Collateralized mortgage obligations		618,739		7,296		115,375		3,378		734,114		10,674
	$	1,513,235	$	34,152	$	127,125	$	3,847	$	1,640,360	$	37,999

The unrealized losses primarily relate to changes in market rates on fixed rate debt securities since the respective purchase date. In all cases, the indicated impairment on these debt securities would be recovered no later than the security’s maturity date or possibly earlier if the market price for the security increases with a reduction in the yield required by the market. None of the unrealized losses relate to the marketability of the securities or the issuers’ abilities to meet contractual obligations. The Company believes it has adequate liquidity and, therefore, does not plan to and, more likely than not, will not be required to sell these securities before recovery of the indicated impairment. Accordingly, the unrealized losses on these securities have been determined to be temporary.

Proceeds from sales of securities were approximately $213.9 million in 2017, $173.2 million in 2016, and $9.3 million in 2015. No gross gains or losses were recognized on sales of securities in 2017.  Gross gains of approximately $2.0 million and gross losses of approximately $0.2 million were recognized on sales of securities in 2016. 

Securities with carrying values totaling approximately $3.3 billion at December 31, 2017 and $3.8 billion at December 31, 2016 were pledged primarily to secure public deposits or sold under agreements to repurchase.

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Loans and Allowance for Loan Losses

12 Months Ended

Dec. 31, 2017

Loans and Allowance for Loan Losses [Abstract]

Loans and Allowance for Loan Losses

Note 4. Loans and Allowance for Loan Losses

The Company generally makes loans in its market areas of south Mississippi, southern and central Alabama, south Louisiana, the Houston, Texas area and the northern, central and panhandle regions of Florida.  Loans, net of unearned income, consisted of the following at December 31, 2017 and 2016:

(in thousands)	2017		2016
Commercial non-real estate	$	8,297,937	$	7,613,917
Commercial real estate - owner occupied		2,142,439		1,906,821
Total commercial and industrial		10,440,376		9,520,738
Commercial real estate - income producing		2,384,599		2,013,890
Construction and land development		1,373,421		1,010,879
Residential mortgages		2,690,472		2,146,713
Consumer		2,115,295		2,059,931
Total loans	$	19,004,163	$	16,752,151

The Bank makes loans in the normal course of business to directors and executive officers of the Company and the Bank and to their associates. Loans to such related parties are made on substantially the same terms, including interest rates and collateral requirements, as those prevailing at the time for comparable transactions with unrelated parties and do not involve more than normal risk of collectability when originated. Balances of loans to the Company’s directors, executive officers and their associates at December 31, 2017 and 2016 were approximately $33.6 million and $15.3 million, respectively. Related party loan activity for 2017 includes new loans of $25.8 million and repayments of $7.5 million.

The Bank has a line of credit with the Federal Home Loan Bank of Dallas that is secured by blanket pledges of certain qualifying loan types.  The Bank had borrowings on this line of $1.1billion and $865 million at December 31, 2017 and 2016, respectively.

The following schedules show activity in the allowance for loan losses for the year ended December 31, 2017 and 2016 by portfolio segment, and the corresponding recorded investment in loans as of December 31, 2017 and 2016. Purchased credit impaired loans accounted for using the cost recovery method that are individually evaluated for impairment are reflected as such.

	Commercial Non-Real Estate		Commercial Real Estate- Owner Occupied		Total Commercial and Industrial		Commercial Real Estate- Income Producing		Construction and Land Development		Residential Mortgages		Consumer		Total
(in thousands)	Year Ended December 31, 2017
Allowance for loan  losses:
Beginning balance	$	147,052	$	11,083	$	158,135	$	13,509	$	6,271	$	25,361	$	26,142	$	229,418
Purchased credit impaired activity
Charge-offs		—		—		—		—		(77)		(297)		(153)		(527)
Recoveries		7		453		460		1		144		24		75		704
Net provision for loan losses		79		(882)		(803)		(213)		(301)		(168)		(412)		(1,897)
(Decrease) increase in FDIC loss share receivable		(47)		—		(47)		—		—		(2,344)		(135)		(2,526)
Non-purchased credit impaired activity:																—
Charge-offs		(51,479)		(558)		(52,037)		(259)		(619)		(2,542)		(31,277)		(86,734)
Recoveries		7,519		395		7,914		987		1,459		1,040		6,605		18,005
Net provision for loan losses		24,787		2,471		27,258		(316)		495		3,770		29,658		60,865
Ending balance	$	127,918	$	12,962	$	140,880	$	13,709	$	7,372	$	24,844	$	30,503	$	217,308
Ending balance:
Allowance:
Individually evaluated for impairment	$	16,129	$	793	$	16,922	$	1,326	$	11	$	189	$	118	$	18,566
Amounts related to purchased credit impaired loans		525		465		990		41		172		12,258		646		14,107
Collectively evaluated for impairment		111,264		11,704		122,968		12,342		7,189		12,397		29,739		184,635
Total allowance	$	127,918	$	12,962	$	140,880	$	13,709	$	7,372	$	24,844	$	30,503	$	217,308
Loans:
Individually evaluated for impairment	$	267,881	$	21,491	$	289,372	$	15,530	$	363	$	10,640	$	1,292	$	317,197
Purchased credit impaired loans		5,941		7,294		13,235		2,742		5,829		119,553		6,178		147,537
Collectively evaluated for impairment		8,024,115		2,113,654		10,137,769		2,366,327		1,367,229		2,560,279		2,107,825		18,539,429
Total loans	$	8,297,937	$	2,142,439	$	10,440,376	$	2,384,599	$	1,373,421	$	2,690,472	$	2,115,295	$	19,004,163

	Commercial Non-Real Estate		Commercial Real Estate- Owner Occupied		Total Commercial and Industrial		Commercial Real Estate- Income Producing		Construction and Land Development		Residential Mortgages		Consumer		Total
(in thousands)	Year Ended December 31, 2016
Allowance for loan  losses:
Beginning balance	$	109,428	$	9,858	$	119,286	$	6,041	$	5,642	$	25,353	$	24,857	$	181,179
Purchased credit impaired activity
Charge-offs		—		(28)		(28)		(1)		(18)		(323)		(8)		(378)
Recoveries		115		269		384		2		361		36		189		972
Net provision for loan losses		(44)		(440)		(484)		(462)		(594)		1,876		(1,740)		(1,404)
Increase (decrease) in FDIC loss share receivable		(31)		—		(31)		—		—		(4,209)		283		(3,957)
Non-purchased credit impaired activity:
Charge-offs		(42,620)		(1,819)		(44,439)		(346)		(964)		(1,040)		(26,099)		(72,888)
Recoveries		3,969		480		4,449		989		1,725		859		5,809		13,831
Net provision for loan losses		76,235		2,763		78,998		7,286		119		2,809		22,851		112,063
Ending balance	$	147,052	$	11,083	$	158,135	$	13,509	$	6,271	$	25,361	$	26,142	$	229,418
Ending balance:
Allowance:
Individually evaluated for impairment	$	28,187	$	246	$	28,433	$	466	$	38	$	91	$	267	$	29,295
Amounts related to purchased credit impaired loans		486		894		1,380		253		406		15,043		1,271		18,353
Collectively evaluated for impairment		118,379		9,943		128,322		12,790		5,827		10,227		24,604		181,770
Total allowance	$	147,052	$	11,083	$	158,135	$	13,509	$	6,271	$	25,361	$	26,142	$	229,418
Loans:
Individually evaluated for impairment	$	271,262	$	6,268	$	277,530	$	15,376	$	1,938	$	4,347	$	2,154	$	301,345
Purchased credit impaired loans		11,368		13,323		24,691		7,928		5,271		141,992		11,033		190,915
Collectively evaluated for impairment		7,331,287		1,887,230		9,218,517		1,990,586		1,003,670		2,000,374		2,046,744		16,259,891
Total loans	$	7,613,917	$	1,906,821	$	9,520,738	$	2,013,890	$	1,010,879	$	2,146,713	$	2,059,931	$	16,752,151

Impaired Loans

The following table shows the composition of nonaccrual loans by portfolio class.  Purchased credit impaired loans accounted for in pools with an accretable yield are considered to be performing and are excluded from the table.

	December 31,
(in thousands)	2017		2016
Commercial non-real estate	$	152,863	$	249,037
Commercial real estate - owner occupied		25,989		14,413
Total commercial and industrial		178,852		263,450
Commercial real estate - income producing		14,574		13,954
Construction and land development		3,807		4,550
Residential mortgages		40,480		23,665
Consumer		15,087		12,351
Total loans	$	252,800	$	317,970

Nonaccrual loans include loans modified in troubled debt restructurings (TDRs) of $99.2 million and $81.9 million, respectively, at December 31, 2017 and 2016. Total TDRs, both accruing and nonaccruing, were $219.7 million at December 31, 2017 and $121.7 million at December 31, 2016.  

The table below details the TDRs that were modified during 2017 and 2016 by portfolio segment. All such loans are individually evaluated for impairment.

	Years Ended December 31,
($ in thousands)	2017					2016					2015
		Outstanding Recorded Investment					Outstanding Recorded Investment					Outstanding Recorded Investment
Troubled Debt Restructurings:	Number of Contracts	Pre- Modification		Post- Modification		Number of Contracts	Pre- Modification		Post- Modification		Number of Contracts	Pre- Modification		Post- Modification
Commercial non-real estate	52	$	162,909	$	162,909	38	$	128,449	$	128,449	1	$	4,420	$	4,420
Commercial real estate - owner occupied	5		5,684		5,684	1		148		148	—		—		—
Total commercial and industrial	57		168,593		168,593	39		128,597		128,597	1		4,420		4,420
Commercial real estate - income producing	5		5,625		5,625	1		2,943		2,943	1		485		482
Construction and land development	—		—		—	—		—		—	—		—		—
Residential mortgages	15		2,812		2,812	7		694		694	4		195		185
Consumer	1		40		40	—		—		—	1		20		20
Total loans	78	$	177,070	$	177,070	47	$	132,234	$	132,234	7	$	5,120	$	5,107

The TDRs modified during the year ended December 31, 2017 reflected in the table above include $98.1 million of loans with extended amortization terms or other payment concessions, $76.2 million of loans with significant covenant waivers and $2.8 million with other modifications.  The TDRs modified during the year ended December 31, 2016 include $108.9 million of loans with extended terms or other payment concessions of $22.8 mllion of loans with significant convenant waivers, and $0.5 million with other modifications.  The TDRs modified during the year ended December 31, 2015 include $5.0 million of loans with extended terms or other payment concessions and $0.1 million of other modifications.

As of December 31, 2017 and 2016, the Company had unfunded commitments of approximately $7.3 million and $6.8 million, respectively, to borrowers whose loan terms had been modified in TDRs.

Four commercial non-real estate loans modified in TDRs during the year ended December 31, 2016 defaulted within twelve months of modification.  The loans were part of a single relationship and had an aggregate carrying balance of $20.8 million at the time of default. No TDRs modified during the years ended December 31, 2017 or 2015subsequently defaulted within twelve months of modification.  

The tables below present loans that are individually evaluated for impairment disaggregated by class at December 31, 2017 and 2016. Loans individually evaluated for impairment include TDRs and loans that are determined to be impaired and have aggregate relationship balances of $1 million or more.

	December 31, 2017
(in thousands)	Recorded Investment Without an Allowance		Recorded Investment With an Allowance		Unpaid Principal Balance		Related Allowance
Commercial non-real estate	$	116,682	$	151,199	$	285,685	$	16,129
Commercial real estate - owner occupied		16,927		4,564		24,829		793
Total commercial and industrial		133,609		155,763		310,514		16,922
Commercial real estate - income producing		5,101		10,429		15,687		1,326
Construction and land development		100		263		363		11
Residential mortgages		8,245		2,395		13,855		189
Consumer		—		1,292		1,294		118
Total loans	$	147,055	$	170,142	$	341,713	$	18,566

	December 31, 2016
(in thousands)	Recorded Investment Without an Allowance		Recorded Investment With an Allowance		Unpaid Principal Balance		Related Allowance
Commercial non-real estate	$	150,650	$	120,612	$	295,445	$	28,187
Commercial real estate - owner occupied		4,261		2,007		6,646		246
Total commercial and industrial		154,911		122,619		302,091		28,433
Commercial real estate - income producing		10,447		4,929		15,708		466
Construction and land development		1,106		832		2,903		38
Residential mortgages		2,877		1,470		4,865		91
Consumer		—		2,154		2,155		267
Total loans	$	169,341	$	132,004	$	327,722	$	29,295

The tables below present the average balances and interest income for total impaired loans for years ended December 31, 2017 and 2016. Interest income recognized represents interest on accruing loans modified in a TDR.

	Years Ended
	December 31, 2017				December 31, 2016
(in thousands)	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Commercial non-real estate	$	255,710	$	2,774	$	211,324	$	1,164
Commercial real estate - owner occupied		7,901		62		6,151		44
Total commercial and industrial		263,611		2,836		217,475		1,208
Commercial real estate - income producing		14,565		146		9,347		106
Construction and land development		1,018		2		6,366		1
Residential mortgages		5,784		18		2,109		10
Consumer		1,558		13		716		5
Total loans	$	286,536	$	3,015	$	236,013	$	1,330

Aging Analysis

The following table presents the age analysis of past due loans at December 31, 2017 and 2016. Purchased credit impaired loans with an accretable yield are considered to be current in the following delinquency table:

December 31, 2017	30-59 Days Past Due		60-89 Days Past Due		Greater Than 90 Days past due		Total Past Due		Current		Total Loans		Recorded Investment > 90 Days and Accruing
(in thousands)
Commercial non-real estate	$	62,766	$	10,761	$	92,982	$	166,509	$	8,131,428	$	8,297,937	$	21,989
Commercial real estate - owner occupied		8,493		648		15,517		24,658		2,117,781		2,142,439		2,032
Total commercial and industrial		71,259		11,409		108,499		191,167		10,249,209		10,440,376		24,021
Commercial real estate - income producing		5,315		2,165		6,081		13,561		2,371,038		2,384,599		489
Construction and land development		4,113		1,056		3,412		8,581		1,364,840		1,373,421		477
Residential mortgages		33,621		10,554		30,537		74,712		2,615,760		2,690,472		2,208
Consumer		22,959		7,816		8,553		39,328		2,075,967		2,115,295		571
Total loans	$	137,267	$	33,000	$	157,082	$	327,349	$	18,676,814	$	19,004,163	$	27,766

December 31, 2016	30-59 Days Past Due		60-89 Days Past Due		Greater Than 90 Days Past Due		Total Past Due		Current		Total Loans		Recorded Investment > 90 Days and Accruing
(in thousands)
Commercial non-real estate	$	19,722	$	1,909	$	68,505	$	90,136	$	7,523,781	$	7,613,917	$	384
Commercial real estate - owner occupied		3,008		581		6,310		9,899		1,896,922		1,906,821		52
Total commercial and industrial		22,730		2,490		74,815		100,035		9,420,703		9,520,738		436
Commercial real estate - income producing		838		50		5,026		5,914		2,007,976		2,013,890		216
Construction and land development		694		171		5,300		6,165		1,004,714		1,010,879		1,563
Residential mortgages		24,599		8,816		14,369		47,784		2,098,929		2,146,713		1
Consumer		18,621		7,441		9,147		35,209		2,024,722		2,059,931		823
Total loans	$	67,482	$	18,968	$	108,657	$	195,107	$	16,557,044	$	16,752,151	$	3,039

Credit Quality Indicators

The following table presents the credit quality indicators of the Company’s various classes of loans at December 31, 2017 and December 31, 2016.  

	December 31, 2017
(in thousands)	Commercial Non-Real Estate		Commercial Real Estate - Owner Occupied		Total Commercial and Industrial		Commercial Real Estate - Income Producing		Construction and Land Development		Total Commercial
Grade:
Pass	$	7,190,604	$	1,896,366	$	9,086,970	$	2,223,245	$	1,291,638	$	12,601,853
Pass-Watch		293,069		82,913		375,982		83,444		60,804		520,230
Special Mention		80,649		27,456		108,105		13,244		4,788		126,137
Substandard		733,558		135,704		869,262		64,658		16,191		950,111
Doubtful		57		—		57		8		—		65
Total	$	8,297,937	$	2,142,439	$	10,440,376	$	2,384,599	$	1,373,421	$	14,198,396

	December 31, 2016
(in thousands)	Commercial Non-Real Estate		Commercial Real Estate - Owner Occupied		Total Commercial & Industrial		Commercial Real Estate - Income Producing		Construction and Land Development		Total Commercial
Grade:
Pass	$	6,364,348	$	1,719,114	$	8,083,462	$	1,873,644	$	968,505	$	10,925,611
Pass-Watch		203,311		47,676		250,987		78,309		22,592		351,888
Special Mention		181,763		40,299		222,062		22,492		4,142		248,696
Substandard		846,793		99,732		946,525		39,434		15,640		1,001,599
Doubtful		17,702		—		17,702		11		—		17,713
Total	$	7,613,917	$	1,906,821	$	9,520,738	$	2,013,890	$	1,010,879	$	12,545,507

	December 31, 2017						December 31, 2016
(in thousands)	Residential Mortgage		Consumer		Total		Residential Mortgage		Consumer		Total
Performing	$	2,647,784	$	2,099,637	$	4,747,421	$	2,123,048	$	2,046,757	$	4,169,805
Nonperforming		42,688		15,658		58,346		23,665		13,174		36,839
Total	$	2,690,472	$	2,115,295	$	4,805,767	$	2,146,713	$	2,059,931	$	4,206,644

Below are the definitions of the Company’s internally assigned grades:

Commercial:

· Pass - loans properly approved, documented, collateralized, and performing which do not reflect an abnormal credit risk.

· Pass - Watch - credits in this category are of sufficient risk to cause concern. This category is reserved for credits that display negative performance trends. The “Watch” grade should be regarded as a transition category.

· Special mention - a criticized asset category defined as having potential weaknesses that deserve management’s close attention. If left uncorrected, these potential weaknesses may, at some future date, result in the deterioration of the repayment prospects for the credit or the institution’s credit position. Special mention credits are not considered part of the Classified credit categories and do not expose an institution to sufficient risk to warrant adverse classification.

· Substandard - an asset that is inadequately protected by the current sound worth and paying capacity of the obligor or of the collateral pledged, if any. Assets so classified must have a well-defined weakness or weaknesses that jeopardize the liquidation of the debt. They are characterized by the distinct possibility that the institution will sustain some loss if the deficiencies are not corrected.

· Doubtful - an asset that has all the weaknesses inherent in one classified Substandard with the added characteristic that the weaknesses make collection nor liquidation in full, on the basis of currently existing facts, conditions, and values, highly questionable and improbable.

· Loss - credits classified as Loss are considered uncollectable and are charged off promptly once so classified.

Residential and Consumer:

· Performing - loans on which payments of principal and interest are less than 90 days past due.

· Nonperforming - a nonperforming loan is a loan that is in default or close to being in default and there are good reasons to doubt that payments will be made in full. All loans rated as nonaccrual loans are also classified as nonperforming.

The Company assigns risk ratings at loan origination and reviews these ratings at minimum on annual basis, or at any point management becomes aware of information that may affect a borrower’s ability to service its debt.  Credit Review uses a risk-focused continuous monitoring program that provides for an independent, objective and timely review of credit risk within the Company.

Purchased Credit Impaired Loans

Changes in the carrying amount of purchased credit impaired loans not individually evaluated for impairment and accretable yield are presented in the following table for the years ended December 31, 2017 and 2016:  

	2017				2016
	Carrying				Carrying
	Amount		Accretable		Amount		Accretable
(in thousands)	of Loans		Yield		of Loans		Yield
Balance at beginning of period	$	190,915	$	113,686	$	225,838	$	129,488
Additions		15,000		—		—		—
Payments received, net		(69,591)		(7,412)		(55,194)		(11,024)
Accretion		17,079		(17,079)		20,271		(20,271)
Increase (decrease) in expected cash flows based on actual
cash flow and changes in cash flow assumptions		—		(30,379)		—		5,358
Net transfers from nonaccretable difference
to accretable yield		—		3,701		—		10,135
Balance at end of period	$	153,403	$	62,517	$	190,915	$	113,686

Loans acquired in an FDIC-assisted transaction and the related FDIC loss share receivable

Loans purchased in the 2009 acquisition of Peoples First Community Bank were covered by two loss share agreements between the FDIC and the Company.  As of December 31, 2016, $149 million of purchased credit impaired loans were covered by the single family loss share agreement.  In July 2017, the Company terminated the agreements with the FDIC on the remaining covered loan balances.  The Company wrote down the indemnification asset by $6.6 million to the final settlement received of $3.2 million.

The receivable arising from the loss-sharing agreements (referred to as the “FDIC loss share receivable” on our consolidated balance sheet) was measured separately from the covered loans as the agreements were not contractually part of the loans and were not transferable should the Company have disposed of the loans.

The following schedule shows activity in the FDIC loss share receivable for the year ended December 31, 2017 and 2016:  

(in thousands)	2017		2016
Balance, January 1	$	16,219	$	29,868
Amortization		(2,427)		(5,918)
Charge-offs, write-downs and other (recoveries)		(2,442)		(8,264)
External expenses qualifying under loss share agreement		79		1,356
Adjustments due to changes in cash flow projections		(2,526)		(3,957)
Net payments to FDIC		934		3,134
Loss on termination of loss share agreements		(6,603)		—
Cash received from FDIC for final settlement of agreements		(3,234)		—
Balance, December 31	$	—	$	16,219

Residential Mortgage Loans in Process of Foreclosure

Loans in process of foreclosure include those for which formal foreclosure proceedings are in process according to local requirements of the applicable jurisdiction.Included in loans are $7.5 million and $10.1 million of consumer loans secured by single family residential mortgage real estate that are in process of foreclosure as of December 31, 2017 and 2016, respectively. In addition to the single family residential real estate loans in process of foreclosure, the Company also held $3.4 million and $3.1 million of foreclosed single family residential properties in other real estate owned as of December 31, 2017 and 2016, respectively. As of December 31, 2016,  $4.9 million of loans in process of foreclosure and $0.9 million of foreclosed single family residential properties were covered by an FDIC loss share agreement that provided protection against losses.

Loans Held for Sale

Loans held for sale totaled $39.9 million and $34.1 million, respectively, at December 31, 2017 and 2016. Substantially all loans held for sale are residential mortgage loans originated on a best-efforts basis, whereby a commitment by a third party to purchase the loan has been received concurrent with the Bank’s commitment to the borrower to originate the loan.

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Property and Equipment

12 Months Ended

Dec. 31, 2017

Property and Equipment [Abstract]

Property and Equipment

Note 5. Property and Equipment

Property and equipment consisted of the following as of December 31, 2017 and 2016:

	December 31,
(in thousands)	2017		2016
Land and land improvements	$	71,061	$	79,412
Buildings and leasehold improvements		305,277		335,566
Furniture, fixtures and equipment		92,360		96,565
Software		70,003		70,370
Assets under development		9,960		10,826
		548,661		592,739
Accumulated depreciation and amortization		(214,998)		(231,127)
Property and equipment, net	$	333,663	$	361,612

Depreciation and amortization expense was $28.1 million, $28.4 million and $28.8million for the years ended December 31, 2017,2016 and 2015, respectively.

Property and Equipment Held for Sale

During the fourth quarter of 2017, the Company determined that certain property and equipment met the criteria to be classified as assets held for sale. The Company expects these assets to be sold within the next twelve months. The carrying value of $27.2 million has been recorded within Other Assets in the Consolidated Balance Sheet as of December 31, 2017. For more information on the Company's policy on assets held for sale, refer to Note 1 – Summary of Significant Account Policies and Recent Accounting Pronouncements.

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Goodwill and Other Intangible Assets

12 Months Ended

Dec. 31, 2017

Goodwill and Other Intangible Assets [Abstract]

Goodwill and Other Intangible Assets

Note 6. Goodwill and Other Intangible Assets

Goodwill represents the excess of the consideration paid over the fair value of the net assets acquired or the excess of the fair value of the net liabilities assumed over the consideration received in a business combination.  The FNBC transactions resulted in goodwill of approximately $124.3 million during the year ended December 31, 2017.  The carrying amount of goodwill was $745.5 million and $621.2million at December 31, 2017 and 2016.  The Company completed its annual goodwill impairment test as of September 30, 2017 and concluded that there was no impairment of goodwill.

The Company used the discounted net present value of estimated future cash flows to measure the fair value of its goodwill at December 31, 2017.  The valuation technique used by the Company requires significant assumptions. Assumptions are made concerning the economic environment, expected net interest margins, growth rates, and discount rates for cash flows. Changes to these assumptions could result in significantly different results.

No goodwill impairment charges were recognized during 2017,  2016 or 2015.

Identifiable intangible assets with finite lives are amortized over the periods benefited and are evaluated for impairment similar to other long-lived assets. The purchase and carrying values of intangible assets subject to amortization were as follows:  

	December 31, 2017
	Purchase		Accumulated		Carrying
(in thousands)	Value		Amortization		Value
Core deposit intangibles	$	215,955	$	132,878	$	83,077
Credit card and trust relationships		22,400		16,882		5,518
Merchant processing relationships		10,000		7,955		2,045
	$	248,355	$	157,715	$	90,640

	December 31, 2016
	Purchase		Accumulated		Carrying
(in thousands)	Value		Amortization		Value
Core deposit intangibles	$	190,655	$	113,436	$	77,219
Credit card and trust relationships		22,400		14,907		7,493
Merchant processing relationships		10,000		6,955		3,045
	$	223,055	$	135,298	$	87,757

	Years Ended December 31,
(in thousands)	2017		2016		2015
Aggregate amortization expense for:
Core deposit intangibles	$	19,442	$	16,411	$	18,031
Credit card and trust relationships		1,975		2,172		2,369
Trade name		—		—		2,388
Merchant processing relationships		1,000		1,198		1,396
	$	22,417	$	19,781	$	24,184

The weighted-average remaining life of core deposit intangibles is 9 years. The weighted-average remaining life of other identifiable intangibles is 6 years.  

The following table shows estimated amortization expense of other intangible assets as of December 31, 2017 for the five succeeding years and thereafter, calculated based on current amortization schedules.

(in thousands)
2018	$	21,368
2019		18,194
2020		13,766
2021		11,288
2022		8,975
Thereafter		17,049
	$	90,640

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Time Deposits

12 Months Ended

Dec. 31, 2017

Time Deposits [Abstract]

Time Deposits

Note 7. Time Deposits

The maturity of time deposits at December 31, 2017 follows.

(in thousands)
2018	$	1,490,062
2019		1,342,830
2020		111,201
2021		19,066
2022		20,150
Thereafter		4,199
Total time deposits	$	2,987,508

Certificates of deposit in amounts greater than $250,000 totaled approximately $732 million at December 31, 2017.  

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Short-Term Borrowings

12 Months Ended

Dec. 31, 2017

Short-Term Borrowings [Abstract]

Short-Term Borrowings

Note 8. Short-Term Borrowings

The following table presents information concerning short-term borrowing as of December 31, 2017 and 2016:

	December 31,
(in thousands)	2017		2016
Federal funds purchased:
Amount outstanding at period end	$	140,754	$	2,275
Average amount outstanding during period		27,063		14,052
Maximum amount at any month end during period		140,754		59,475
Weighted-average interest at period end		1.00%		0.38%
Weighted-average interest rate during period		1.37%		0.50%
Securities sold under agreements to repurchase:
Amount outstanding at period end	$	430,569	$	358,131
Average amount outstanding during period		501,719		454,571
Maximum amount at any month end during period		587,569		579,099
Weighted-average interest at period end		0.17%		0.04%
Weighted-average interest rate during period		0.12%		0.03%
FHLB borrowings:
Amount outstanding at period end	$	1,132,567	$	865,000
Average amount outstanding during period		1,478,114		943,570
Maximum amount at any month end during period		2,061,652		1,175,000
Weighted-average interest at period end		1.35%		0.54%
Weighted-average interest rate during period		1.00%		0.41%

Federal funds purchased represent unsecured borrowings from other banks, generally on an overnight basis.

Securities sold under agreements to repurchase (“repurchase agreements”) are funds borrowed on a secured basis by selling securities under agreements to repurchase, mainly in connection with treasury-management services offered to deposit customers. The customer repurchase agreements mature daily and are secured by agency securities. As the Company maintains effective control over assets sold under agreements to repurchase, the securities continue to be carried on the consolidated statements of financial condition. Because the Company acts as borrower transferring assets to the counterparty, and the agreements mature daily, the Company’s risk is very limited.

The $1.1 billion of FHLB borrowings at December 31, 2017 consists of sixfixed rate notes totaling $223 million, all of which mature in 2018, and sixvariable rate notes totaling $910 million, of which $450 million mature in 2020,  $200 million mature in 2025 and $260 million mature in 2026. These notes reprice monthly or quarterly and may be repaid at our option, either in whole or in part, on any monthly repricing date, subject to a two week advanced notice.

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Long-Term Debt

12 Months Ended

Dec. 31, 2017

Long-Term Debt [Abstract]

Long-Term Debt

Note 9. Long-Term Debt

As of December 31, 2017 and 2016, long-term debt was comprised of the following:

	December 31,
(in thousands)	2017		2016
Subordinated notes payable, maturing June 2045	$	150,000	$	150,000
Subordinated notes payable, maturing April 2017		—		95,511
Term note payable, maturing December 2018		89,200		107,100
Other long-term debt		71,378		89,196
Less: unamortized debt issuance costs		(5,065)		(5,527)
Total long-term debt	$	305,513	$	436,280

The following table sets forth unamortized debt issuance costs associated with the respective debt instruments as of December 31, 2017:

				Unamortized
				Debt
				Issuance
(in thousands)		Principal		Costs
Subordinated notes payable, maturing June 2045	$	150,000	$	4,780
Term note payable, maturing December 2018		89,200		285
Other long-term debt		71,378		—
Total	$	310,578	$	5,065

On March 9, 2015, the Company completed the issuance of subordinated notes payable with an aggregate principal amount of $150 million, maturing on June 15, 2045. These notes accrue interest at a fixed rate of 5.95% per annum, with quarterly interest payments which began in June 2015. Subject to prior approval by the Federal Reserve, the Company may redeem the notes in whole or in part on any interest payment date on or after June 15, 2020. This debt qualifies as tier 2 capital in the calculation of certain regulatory capital ratios.

The Company redeemed the remaining principal of $95.5 million of subordinated notes at their maturity inApril 2017.   The notes had  accrued interest at 5.875% per annum. 

On December 18, 2015, the Company entered into a senior unsecured single-draw term loan facility totaling $125 million, which was drawn on the closing date. Amounts borrowed under the loan facility bear variable rate interest ofLIBOR plus 1.50% per annum. The loan agreement requires quarterly principal payments of $4.5 million, and outstanding borrowings may be repaid in whole or in part at any time prior to the December 18, 2018 maturity date without premium or penalty, subject to reimbursement of certain lenders’ costs.As of December 31, 2017, the remaining principal balance was $89.2 million. The Company must satisfy certain financial covenants on this term note payable and is subject to other restrictions customary in financings, none of which are expected to adversely impact the operations of the Company. Financial covenants cover, among other things, the maintenance of minimum levels for regulatory capital ratios, consolidated net worth, consolidated return on assets, and holding company liquidity and dividend capacity, and specify a maximum ratio of consolidated nonperforming assets to consolidated total loans and other real estate. The Company was in compliance with all covenants as of December 31, 2017.  

Substantially all of the Company’s other long-term debt consists of borrowings associated with tax credit fund activities. Although these borrowings have indicated maturities through 2053,each is expected to be satisfied at the end of the seven-year compliance period for the related tax credit investments.

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Derivatives

12 Months Ended

Dec. 31, 2017

Derivatives [Abstract]

Derivatives

Note 10. Derivatives

Risk Management Objective of Using Derivatives

The Company enters into derivative financial instruments to manage risks related to differences in the amount, timing, and duration of the Company’s known or expected cash receipts and its known or expected cash payments, currently related to select pools of variable rate loans. The Bank has also entered into interest rate derivative agreements as a service to certain qualifying customers. The Bank manages a matched book with respect to these customer derivatives in order to minimize their net risk exposure resulting from such agreements. The Bank also enters into risk participation agreements under which it may either sell or buy credit risk associated with a customer’s performance under certain interest rate derivative contracts related to loans in which participation interests have been sold to or purchased from other banks.

Fair Values of Derivative Instruments on the Balance Sheet

The table below presents the notional amounts and fair values of the Company’s derivative financial instruments as well as their classification in the consolidated balance sheets as of December 31, 2017 and 2016. Effective January 3, 2017, the Company’s central clearing counterparty amended its rulebook to legally characterize variation margin accounts as settlements, rather than being reflected separately as collateral.  As a result of the change, the Company began prospectively reflecting derivative assets and liabilities net of the central clearing counterparty derivative margin account.

						Fair Values (1)
		Notional Amounts				Assets				Liabilities
	Type of	December 31,				December 31,				December 31,
(in thousands)	Hedge	2017		2016		2017		2016		2017		2016
Derivatives designated
as hedging instruments:
Interest rate swaps	Cash Flow	$	875,000	$	1,100,000	$	—	$	—	$	14,020	$	7,787
Interest rate swaps	Fair Value		483,110		—		—		—		2,475		—
		$	1,358,110	$	1,100,000	$	—	$	—	$	16,495	$	7,787
Derivatives not designated
as hedging instruments:
Interest rate swaps (2)	N/A	$	1,144,789	$	979,391	$	15,408	$	18,405	$	15,857	$	18,362
Risk participation agreements	N/A		119,951		84,732		23		50		109		105
Forward commitments to sell
residential mortgage loans	N/A		80,462		75,676		1,000		900		290		221
Interest rate-lock commitments
on residential mortgage loans	N/A		53,724		46,840		186		189		782		228
Foreign exchange forward
contracts	N/A		42,260		56,152		2,453		771		2,419		729
		$	1,441,186	$	1,242,791	$	19,070	$	20,315	$	19,457	$	19,645
Total derivatives		$	2,799,296	$	2,342,791	$	19,070	$	20,315	$	35,952	$	27,432
Less: netting adjustments (3)							(4,913)		—		(21,563)		—
Total derivate assets/liabilities							14,157		20,315		14,389		27,432

(1) Derivative assets and liabilities are reported with other assets or other liabilities, respectively, in the consolidated balance sheets.

(2) The notional amount represents both the customer accommodation agreements and offsetting agreements with unrelated financial institutions.

(3) Represents balance sheet netting of derivative assets and liabilities for variation margin collateral held or placed with the same central clearing counterparty. See offsetting assets and liabilities for further information.

Cash Flow Hedges of Interest Rate Risk

The Company is party to various interest rate swap agreements designated and qualifying as cash flow hedges of the Company’s forecasted variable cash flows for pools of variable rate loans.  For each agreement, the Company receives interest at a fixed rate and pays at a variable rate.  The swap agreements expire as follows:  notional amount of $250 million in2019;  $200 million in 2020;  $425 million in  2022.

During the term of the swap agreements, the effective portion of changes in the fair value of the derivative instruments are recorded in Accumulated Other Comprehensive Income (“AOCI”) and subsequently reclassified into earnings in the periods that the hedged forecasted variable-rate interest payments affects earnings. The impact on AOCI is reflected in Note 11 – Stockholders’ Equity. There was no ineffective portion of the change in fair value of the derivative recognized directly in earnings.

Fair Value Hedges of Interest Rate Risk

During 2017, the Company entered into interest rate swap agreements that modify the Company’s exposure to interest rate risk by effectively converting a portion of the Company’s brokered certificates of deposit from fixed rates to variable rates. The maturities and call features of these interest rate swaps match the features of the hedged deposits. As interest rates fall, the decline in the value of the certificates of deposit is offset by the increase in the value of the interest rate swaps. Conversely, as interest rates rise, the value of the underlying hedged deposits increases, but the value of the interest rate swaps decreases, resulting in no impact on earnings. Interest expense is adjusted by the difference between the fixed and floating rates for the period the swaps are in effect. Hedge ineffectiveness on these transactions results in an increase or decrease in noninterest income.

Derivatives Not Designated as Hedges

Customer interest rate derivative program

The Bank enters into interest rate derivative agreements, primarily rate swaps, with commercial banking customers to facilitate their risk management strategies. The Bank enters into offsetting agreements with unrelated financial institutions, thereby mitigating its net interest rate risk exposure resulting from such transactions. Because the interest rate derivatives associated with this program do not meet hedge accounting requirements, changes in the fair value of both the customer derivatives and the offsetting derivatives are recognized directly in earnings.

Risk participation agreements

The Bank also enters into risk participation agreements under which it may either assume or sell credit risk associated with a borrower’s performance under certain interest rate derivative contracts. In those instances where the Bank has assumed credit risk, it is not a direct counterparty to the derivative contract with the borrower and have entered into the risk participation agreement because it is a party to the related loan agreement with the borrower. In those instances in which the Bank has sold credit risk, it is the sole counterparty to the derivative contract with the borrower and has entered into the risk participation agreement because other banks participate in the related loan agreement. The Bank manages its credit risk under risk participation agreements by monitoring the creditworthiness of the borrower, based on the Bank’s normal credit review process.

Mortgage banking derivatives

The Bank also enters into certain derivative agreements as part of their mortgage banking activities. These agreements include interest rate lock commitments on prospective residential mortgage loans and forward commitments to sell these loans to investors on a best efforts delivery basis.

Customer foreign exchange forward contract derivatives

The Bank enters into foreign exchange forward derivative agreements, primarily forward currency contracts, with commercial banking customers to facilitate their risk management strategies. The Bank manages its risk exposure from such transactions by entering into offsetting agreements with unrelated financial institutions. Because the foreign exchange forward contract derivatives associated with this program do not meet hedge accounting requirements, changes in the fair value of both the customer derivatives and the offsetting derivatives are recognized directly in earnings.

Effect of Derivative Instruments on the Income Statement

Derivative income consisting primarily of customer interest rate swap fees, net of fair value adjustments, is reflected in the income statement in other noninterest income, totaling $5.9 million,  $5.2 million and $2.7million for the years ended December 31, 2017,  2016 and 2015, respectively. The impact to interest income from cash flow hedges was $(0.3) million,  $2.3 million, and $2.1 million for the years ended December 31, 2017,  2016, and 2015 respectively. The impact to interest income of the fair value hedge entered into in 2017 was $(0.8) million. The impact to noninterest income was minimal.

Credit Risk-Related Contingent Features

Certain of the Bank’s derivative instruments contain provisions allowing the financial counterparty to terminate the contracts in certain circumstances, such as the downgrade of the Bank’s credit ratings below specified levels, a default by the Bank on its indebtedness, or the failure of the Bank to maintain specified minimum regulatory capital ratios or its regulatory status as a well-capitalized institution. These derivative agreements also contain provisions regarding the posting of collateral by each party. As of December 31, 2017, the aggregate fair value of derivative instruments with credit-risk-related contingent features that were in a net liability position was $1.8 million, for which the Bank had posted collateral of $4.1 million.

Offsetting Assets and Liabilities

The Bank’s derivative instruments to certain counterparties contain legally enforceable netting provisions that allow for net settlement of multiple transactions to a single amount, which may be positive, negative, or zero. Agreements with certain bilateral counterparties require both parties to maintain collateral in the event that the fair values of derivative instruments exceed established exposure thresholds. For centrally cleared derivatives, the Company is subject to initial margin posting and daily variation margin exchange with the central clearinghouses. As noted above, effective January 3, 2017, the Company began to reflect its derivative assets and liabilities net of the central clearing party variation margin account in the Statement of Income. Offsetting information in regards to derivative assets and liabilities subject to these master netting agreements at December 31, 2017 and December 31, 2016 is presented in the following tables:

As of December 31, 2017
			Gross Amounts Offset in the		Net Amounts  Presented in the		Gross Amounts Not Offset in the Statement of Financial Position
(in thousands)	Gross Amounts Recognized		Statement of Financial Position		Statement of Financial Position		Financial Instruments		Cash Collateral		Net Amount
Derivative Assets	$	7,155	$	(5,007)	$	2,148	$	2,148	$	—	$	—
Derivative Liabilities	$	24,015	$	(20,077)	$	3,938	$	2,148	$	4,099	$	(2,309)

As of December 31, 2016
			Gross Amounts Offset in the		Net Amounts  Presented in the		Gross Amounts Not Offset in the Statement of Financial Position
(in thousands)	Gross Amounts Recognized		Statement of Financial Position		Statement of Financial Position		Financial Instruments		Cash Collateral		Net Amount
Derivative Assets	$	4,788	$	—	$	4,788	$	4,788	$	—	$	—
Derivative Liabilities	$	26,846	$	—	$	26,846	$	4,788	$	19,095	$	2,963

The Company has excess collateral compared to total exposure due to initial margin requirements for day-to-day rate volatility.

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Stockholders' Equity

12 Months Ended

Dec. 31, 2017

Stockholders' Equity [Abstract]

Stockholders' Equity

Note 11. Stockholders’ Equity

Stock Issuance

On December 16, 2016, the Company completed the issuance and sale of 6.3 million shares of common stock at a purchase price of $41.00 per share for total proceeds of $259 million, net of issuance cost.A portion of the proceeds were to support the purchase of assets in the FNBC I transaction.

Stock Repurchase Program

On August 28, 2015, the Company’s Board of Directors approved a stock repurchase plan that authorized the repurchase of up to 5%, or approximately 3.9 million shares of its outstanding common stock, until it expired on September 2016.  There were no  shares repurchased under this plan in 2016 and 2017.

Common Shares Outstanding

Shares outstanding exclude treasury shares of 1.2 million and 1.3 million at December 31, 2017 and 2016, respectively, with a first-in-first-out cost basis of $25.5 millionand $24.1 million at December 31, 2017 and 2016, respectively.  Shares outstanding also exclude unvested restricted share awards of 1.5 million and 2.0 million at December 31, 2017 and 2016, respectively.

Accumulated Other Comprehensive Income (Loss)

A roll forward of the components of AOCI is included as follows:

(in thousands)	Available for Sale Securities		HTM Securities Transferred from AFS		Employee Benefit Plans		Cash Flow Hedges		Total
Balance, December 31, 2014	$	18,001	$	(19,074)	$	(48,626)	$	(375)	$	(50,074)
Net change in unrealized gain (loss)		(21,581)		—		—		311		(21,270)
Reclassification of net loss realized
and included in earnings		(165)		—		3,175		—		3,010
Valuation adjustment for employee benefit plans		—		—		(33,971)		—		(33,971)
Amortization of unrealized net loss on securities
transferred to held to maturity		—		3,530		—		—		3,530
Income tax expense (benefit)		(8,013)		1,251		(11,532)		114		(18,180)
Balance, December 31, 2015	$	4,268	$	(16,795)	$	(67,890)	$	(178)	$	(80,595)
Net change in unrealized (loss) gain		(49,839)		—		—		(7,507)		(57,346)
Reclassification of net (gain) loss realized
and included in earnings		(1,912)		—		5,928		—		4,016
Valuation adjustment for employee benefit plans		—		—		(12,748)		—		(12,748)
Amortization of unrealized net loss on securities
transferred to held to maturity		—		3,830		—		—		3,830
Income tax expense (benefit)		(18,804)		1,427		(2,209)		(2,725)		(22,311)
Balance, December 31, 2016	$	(28,679)	$	(14,392)	$	(72,501)	$	(4,960)	$	(120,532)
Net change in unrealized loss		6,903		—		—		(7,328)		(425)
Reclassification of net (gain) loss realized
and included in earnings		—		—		5,201		600		5,801
Valuation adjustment for pension plan amendment		—		—		17,315		—		17,315
Other valuation adjustment for employee benefit plans		—		—		(10,929)		—		(10,929)
Amortization of unrealized net loss on securities
transferred to held to maturity		—		3,786		—		—		3,786
Income tax expense (benefit)		1,067		1,393		4,228		(2,600)		4,088
Reclassification of certain tax effects (a)		6,669		2,586		13,936		2,139		25,330
Balance, December 31, 2017	$	(29,512)	$	(14,585)	$	(79,078)	$	(11,227)	$	(134,402)

(a) Represents the reclassification of stranded income tax effects to Retained Earnings upon adoption of ASU 2018-02. The adjustment is discussed in more detail later in this footnote. 

AOCI is reported as a component of stockholders’ equity. AOCI includes unrealized gains and losses on available for sale (“AFS”) securities and unrealized losses on AFS securities that were transferred to held to maturity (“HTM”) securities in the third quarter of 2013. Such amounts on the transferred securities will be amortized over the estimated remaining life of the security as an adjustment to yield, offsetting the related amortization of the net premium created in the transfer. Subject to certain thresholds, unrealized losses on employee benefit plans will be reclassified into income as pension and post retirement costs are recognized over the remaining service period of plan participants. Accumulated gains/losses on the cash flow hedge of the variable-rate loans described in Note 10 - Derivatives will be reclassified into income over the life of the hedge. Gains (losses) in AOCI are net of deferred income taxes.

The following table shows the line items in the consolidated statements of income affected by amounts reclassified from AOCI:

Amount reclassified from AOCI (a)	Year Ended December 31,				Increase (decrease) in affected line
(in thousands)	2017		2016		item in the income statement
Gain on sale of AFS securities	$	—	$	1,912	Securities gains
Tax effect		—		(694)	Income taxes
Net of tax		—		1,218	Net income
Amortization of unrealized net loss on
securities transferred to HTM	$	(3,786)	$	(3,830)	Interest income
Tax effect		1,393		1,427	Income taxes
Net of tax		(2,393)		(2,403)	Net income
Amortization of defined benefit pension and
post-retirement items (b)	$	(5,201)	$	(5,928)	Employee benefits expense
Tax effect		1,898		1,920	Income taxes
Net of tax		(3,303)		(4,008)	Net income
Amortization of loss on terminated cash flow hedges		(600)		—	Interest expense
Tax effect		232		—	Income taxes
Net of tax		(368)		—	Net income
Total reclassifications, net of tax	$	(6,064)	$	(5,193)	Net income

(a) Amounts in parenthesis indicate reduction in net income.

(b) These AOCI components are included in the computation of net periodic pension and post-retirement cost that is reported with employee benefits expense (see footnote 16 for additional information).

Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income

The Company retrospectively adopted ASU 2018-02, “Income Statement – Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income.”  The ASU was issued by the FASB in February 2018 to address the issue of other comprehensive income or loss that became stranded in AOCI as a result of the re-measurement of an entity’s deferred income tax assets and liabilities following the reduction of the U.S. federal corporate tax rate from 35% to 21%.  In accordance with the guidance, the Company reclassified $25.3 million from Accumulated Other Comprehensive Loss to Retained Earnings.  Refer to Note 1 – Summary of Significant Accounting Policies and Recent Accounting Pronouncements and Note 13 – Income Taxes for further discussion.

Regulatory Capital

Measures of regulatory capital are an important tool used by regulators to monitor the financial health of financial institutions. The primary quantitative measures used to gauge capital adequacy are Common equity tier 1, Tier 1 and Total regulatory capital to risk-weighted assets (risk-based capital ratios) and the Tier 1 capital to average total assets (leverage ratio). Both the Company and the Bank subsidiary are required to maintain minimum risk-based capital ratios of 8.0% total capital, 4.5% Tier 1 Common Equity, and 6.0% Tier 1 capital. The minimum leverage ratio is 3.0% for bank holding companies and banks that meet certain specified criteria, including having the highest supervisory rating. All others are required to maintain a leverage ratio of at least 4.0%.  

To evaluate capital adequacy, regulators compare an institution’s regulatory capital ratios with their agency guidelines, as well as with the guidelines established as part of the uniform regulatory framework for prompt corrective supervisory action toward financial institutions. The framework for prompt corrective action categorizes capital levels into one of five classifications rating from well-capitalized to critically under-capitalized. For an institution to be eligible to be classified as well capitalized its total risk-based capital ratios must be at least 10.0% for total capital, 6.5% for Tier 1 Common Equity and 8.0% for Tier 1 capital, and its leverage ratio must be at least 5.0%. In reaching an overall conclusion on capital adequacy or assigning a classification under the uniform framework, regulators also consider other subjective and quantitative measures of risk associated with an institution. The Company and the Bank were deemed to be well capitalized based upon the most recent notifications from their regulators. There are no conditions or events since those notifications that management believes would change the classifications. At December 31, 2017 and 2016, the Company and the Bank were in compliance with all of their respective minimum regulatory capital requirements.

Following is a summary of the actual regulatory capital amounts and ratios for the Company and the Bank together with corresponding regulatory capital requirements at December 31, 2017 and 2016:

	Actual			Required for Minimum Capital Adequacy			Required To Be Well Capitalized
($ in thousands)	Amount		Ratio %	Amount		Ratio %	Amount		Ratio %
At December 31, 2017
Tier 1 leverage capital
Company	$	2,214,723	8.43	$	1,051,025	4.00	$	1,313,781	5.00
Whitney Bank		2,282,485	8.72		1,046,644	4.00		1,308,305	5.00
Common equity tier 1 (to risk weighted assets)
Company	$	2,214,723	10.21	$	976,303	4.50	$	1,410,216	6.50
Whitney Bank		2,282,485	10.54		974,362	4.50		1,407,412	6.50
Tier 1 capital (to risk weighted assets)
Company	$	2,214,723	10.21	$	1,301,738	6.00	$	1,735,650	8.00
Whitney Bank		2,282,485	10.54		1,299,150	6.00		1,732,200	8.00
Total capital (to risk weighted assets)
Company	$	2,582,031	11.90	$	1,735,650	8.00	$	2,169,563	10.00
Whitney Bank		2,499,793	11.55		1,732,200	8.00		2,165,250	10.00
At December 31, 2016
Tier 1 leverage capital
Company	$	2,184,812	9.56	$	914,520	4.00	$	1,143,150	5.00
Whitney Bank		2,011,719	8.83		911,091	4.00		1,138,864	5.00
Common equity tier 1 (to risk weighted assets)
Company	$	2,184,812	11.26	$	873,192	4.50	$	1,261,277	6.50
Whitney Bank		2,011,719	10.39		871,361	4.50		1,258,633	6.50
Tier 1 capital (to risk weighted assets)
Company	$	2,184,812	11.26	$	1,164,256	6.00	$	1,552,341	8.00
Whitney Bank		2,011,719	10.39		1,161,815	6.00		1,549,086	8.00
Total capital (to risk weighted assets)
Company	$	2,564,230	13.21	$	1,552,341	8.00	$	1,940,427	10.00
Whitney Bank		2,241,137	11.57		1,549,086	8.00		1,936,358	10.00

Regulatory Restrictions on Dividends

Regulatory policy statements provide that generally bank holding companies should pay dividends only out of current operating earnings and that the level of dividends must be consistent with current and expected capital requirements. Dividends received from the Bank have been the primary source of funds available to the Company for the payment of dividends to its stockholders. Federal and state banking laws and regulations restrict the amount of dividends the Bank may distribute to Hancock without prior regulatory approval, as well as the amount of loans it may make to the Company. Dividends paid by the Bank are subject to approval by the Commissioner of Banking and Consumer Finance of the State of Mississippi.

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Other Noninterest Income and Other Noninterest Expense

12 Months Ended

Dec. 31, 2017

Other Noninterest Income and Other Noninterest Expense [Abstract]

Other Noninterest Income and Other Noninterest Expense

Note 12. Other Noninterest Income and Other Noninterest Expense

The components of other noninterest income and other noninterest expense are as follows:

	Years Ended December 31,
(in thousands)	2017		2016		2015
Other noninterest income:
Income from bank-owned life insurance	$	11,473	$	13,596	$	10,881
Credit-related fees		11,140		9,926		11,057
Income from derivatives		5,870		5,196		2,745
Gain on sales of assets		7,478		7,814		186
Other miscellaneous income		13,814		10,950		11,092
Total other noninterest income	$	49,775	$	47,482	$	35,961
Other noninterest expense:
Advertising	$	15,031	$	10,938	$	11,225
Ad valorem and franchise taxes		12,797		8,741		10,498
Printing and supplies		5,139		4,422		4,851
Travel		5,043		4,268		5,331
Entertainment and contributions		8,260		7,122		6,723
Tax credit investment amortization		4,850		4,263		8,513
Loss share agreement termination		6,603		—		—
Other miscellaneous expense		24,913		32,810		25,062
Total other noninterest expense	$	82,636	$	72,564	$	72,203

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Income Taxes

12 Months Ended

Dec. 31, 2017

Income Taxes [Abstract]

Income Taxes

Note 13. Income Taxes

Income tax expense included in net income consisted of the following components:

	Years Ended December 31,
(in thousands)	2017		2016		2015
Included in net income
Current federal	$	38,859	$	43,777	$	17,378
Current state		4,112		1,689		4,241
Total current provision		42,971		45,466		21,619
Deferred federal		48,653		(6,127)		15,457
Deferred state		1,178		(1,712)		1,228
Total deferred provision		49,831		(7,839)		16,685
Total included in net income	$	92,802	$	37,627	$	38,304

On December 22, 2017, the Tax Cuts and Jobs Act (“Tax Act”) was signed into law.  The Tax Act made significant changes to U.S. corporate income tax by, among other things, reducing the corporate federal income tax rate from 35% to 21%, eliminating or reducing certain deductions, and providing for immediate expensing of certain qualified property.  U.S. GAAP requires the effects of changes in tax rates and laws upon deferred tax balances to be recognized in the period in which the legislation is enacted. Accordingly, the Company re-measured its deferred tax assets and liabilities based upon the newly enacted U.S. statutory federal income tax rate of 21%, which is the tax rate at which these assets and liabilities are expected to reverse in the future. The re-measurement resulted in a  $19.5 million charge to income tax expense for the year ended December 31, 2017, comprised of $25.3 million of expense related to certain items included within AOCI, and a provisional income tax benefit of $5.8 million related to items included in continuing operations.

The provisional benefit is a reasonable estimate as the Company has not completed its analysis of the impact of the Tax Act and the related calculations that could affect the measurement of deferred tax assets and liabilities arising from items included in Company operations. The SEC’s Staff Accounting Bulletin No. 118 permits the recording of provisional amounts related to the impact of the Tax Act during a measurement period which is not to exceed one year from the enactment date of the Tax Act. Adjustments to the provisional amount may occur during the measurement period as the Company continues to collect information, finalize calculations and interpret any additional guidance provided by the IRS or other regulatory agencies.  Any such adjustments may materially impact income tax expense in the period in which the adjustments are made.

Except for the charge due to the re-measurement of the net deferred tax asset related to AOCI, income tax expense does not reflect the tax effects of amounts recognized in other comprehensive income and in AOCI, a separate component of stockholders’ equity.  These amounts include unrealized gains and losses on securities available for sale or transferred to held to maturity, unrealized gains and losses on derivatives and hedging transactions, and valuation adjustments of defined benefit and other post-retirement benefit plans. Refer to Note 11 for additional information on stockholder’s equity and AOCI.

Temporary differences arise between the tax bases of assets or liabilities and their carrying amounts for financial reporting purposes. The expected tax effects from when these differences are resolved are recorded currently as deferred tax assets or liabilities.

Significant components of the Company’s deferred tax assets and liabilities were as follows:

	December 31,
(in thousands)	2017		2016
Deferred tax assets:
Allowance for loan losses	$	51,517	$	89,120
Employee compensation and benefits		9,783		28,401
Loan purchase accounting adjustments		6,441		12,047
Tax credit carryforward		21,274		29,085
Securities		12,250		23,169
State net operating loss		1,979		1,690
Other		15,407		14,583
Gross deferred tax assets		118,651		198,095
State valuation allowance		(1,979)		(1,690)
Subtotal valuation allowance		(1,979)		(1,690)
Net deferred tax assets		116,672		196,405
Deferred tax liabilities:
Fixed assets & intangibles		(56,526)		(74,518)
FDIC indemnification asset		—		(6,293)
Other		(6,167)		(11,159)
Gross deferred tax liabilities		(62,693)		(91,970)
Net deferred tax asset	$	53,979	$	104,435

Reported income tax expense differed from amounts computed by applying the statutory income tax rate of 35% to earnings before income taxes. The primary differences are due to tax-exempt income, federal and state tax credits and, for 2017, excess tax benefits from stock-based compensation and tax expense due to enactment of the Tax Act. The main source of tax credits has been investments in tax-advantaged securities and tax credit projects. See the table in the income tax section of the MD&A for additional information regarding federal and state tax credits. A summary of the factors that impacted income tax expense follows.

	Years Ended December 31,
	2017				2016				2015
($ in thousands)	Amount		%		Amount		%		Amount		%
Taxes computed at statutory rate	$	107,952	35.0	%	$	65,423	35.0	%	$	59,418	35.0	%
Increases (decreases) in taxes resulting from:
State income taxes, net of federal income
tax benefit		4,737	1.5			1,917	1.0			2,595	1.5
Tax-exempt interest		(18,870)	(6.1)			(14,497)	(7.8)			(7,849)	(4.6)
Life insurance contracts		(5,360)	(1.7)			(4,833)	(2.6)			(3,798)	(2.2)
Tax credits		(9,374)	(3.0)			(10,518)	(5.6)			(12,495)	(7.4)
Employee share-based compensation		(5,824)	(1.9)			—	—			—	—
Impact of deferred tax asset re-measurement		19,520	6.3			—	—			—	—
Other, net		21	—			135	0.1			433	0.3
Income tax expense	$	92,802	30.1	%	$	37,627	20.1	%	$	38,304	22.6	%

As of December 31, 2017, the Company had approximately $21.3 million in federal and state tax credit carryforwards that originated in the tax years from 2011 through 2017. The federal and state carryforwards begin expiring in 2035 and 2021, respectively. These carryforwards are primarily from investments in federal and state NMTC projects and federal AMT credit. The Tax Act permanently repealed the corporate alternative minimum tax (“AMT”) beginning after December 31, 2017. The AMT credit carryforward can be utilized to offset the regular tax liability with any remaining carryforward refundable by 2022. As of December 31, 2017, the AMT credit carryover of $10.2 million is recorded in the deferred tax asset balance. The Company expects to recover the entire amount through a reduction of its regular tax liability.

The Company had approximately $31.4 millionin state net operating loss carryforwards that originated in the tax years 2004 through 2017 and that begin expiring in 2024. A valuation allowance has been established for the state net operating loss carryforwards. The impact of this valuation allowance is immaterial to the financial statements.

The tax benefit of a position taken or expected to be taken in a tax return should be recognized when it is more likely than not that the position will be sustained on its technical merits. The liability for unrecognized tax benefits was immaterial at December 31, 2017,  2016 and 2015. The Company does not expect the liability for unrecognized tax benefits to change significantly during 2018.  The Company recognizes interest and penalties, if any, related to income tax matters in income tax expense, and the amounts recognized during 2017,  2016 and 2015 were insignificant.  

The Company and its subsidiaries file a consolidated U.S. federal income tax return, as well as filing various state returns. Generally, the returns for years prior to 2014are no longer subject to examination by taxing authorities.

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Earnings Per Share

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Earnings Per Share

Note 14. Earnings Per Share

Earnings per share is calculated using the two-class method. The two-class method allocates net income to each class of common stock and participating security according to common dividends declared and participation rights in undistributed earnings. Participating securities consist of unvested share-based payment awards that contain nonforfeitable rights to dividends or dividend equivalents.

A summary of the information used in the computation of earnings per common share follows:

	Years Ended December 31,
($ in thousands, except per share data)	2017		2016		2015
Numerator:
Net income to common shareholders	$	215,632	$	149,296	$	131,461
Net income allocated to participating securities -- basic and diluted		4,670		3,598		2,895
Net income allocated to common shareholders - basic and diluted	$	210,962	$	145,698	$	128,566
Denominator:
Weighted-average common shares - basic		84,695		77,850		78,197
Dilutive potential common shares		268		99		110
Weighted average common shares - diluted		84,963		77,949		78,307
Earnings per common share:
Basic	$	2.49	$	1.87	$	1.64
Diluted	$	2.48	$	1.87	$	1.64

Potential common shares consist of employee and director stock options, unvested performance share awards, and deferred restricted units. These potential common shares do not enter into the calculation of diluted earnings per share if the impact would be anti-dilutive, i.e., increase earnings per share or reduce a loss per share. Weighted-average anti-dilutive potential common shares totaled 10,551 for the year ended December 31, 2017,572,512 for the year ended December 31, 2016, and 798,623 for the year ended December 31, 2015.  

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Segment Reporting

12 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

Segment Reporting

Note 15. Segment Reporting

Accounting standards require that information be reported about a company’s operating segments using a “management approach.” Reportable segments are identified in these standards as those revenue-producing components for which discrete financial information is produced internally and which are subject to evaluation by the chief operating decision maker in deciding how to allocate resources to segments. On March 31, 2014, the Company combined its two state bank charters into one charter. Due to the charter change, and consistent with its stated strategy that is focused on providing a consistent package of community banking products and services across all markets, the Company has identified its overall banking operations as its only reportable segment. Because the overall banking operations comprise substantially all of the consolidated operations, no separate segment disclosures are presented.

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Retirement Benefit Plans

12 Months Ended

Dec. 31, 2017

Retirement Benefit Plans [Abstract]

Retirement Benefit Plans

Note 16. Retirement Benefit Plans

The Company offers a qualified defined benefit pension plan, the Hancock Holding Company Pension Plan and Trust Agreement (“Pension Plan”), covering certain eligible associates. Eligibility is based on minimum age and service-related requirements.During the second quarter of 2017, the Pension Plan was amended to exclude any individual hired or rehired by the Company after June 30, 2017 from eligibility to participate. The Pension Plan amendment further provides that the accrued benefits of each participant in the Pension Plan whose combined age plus years of service as of January 1, 2018 totals less than 55 will be frozen as of January 1, 2018 and will not thereafter increase. As a result of the plan amendments, pension assets and the benefit obligations were re-measured as of June 30, 2017. The impact of the amendment to the benefit obligation was a reduction of $17.3 million. The Company makes contributions to this pension plan in amounts sufficient to meet funding requirements set forth in federal employee benefit and tax laws, plus such additional amounts as the Company may determine to be appropriate. The Company does not anticipate making a contribution to the pension plan during 2018.

The Company also offers a defined contribution retirement benefit plan (401(k) plan), the Hancock Holding Company 401(k) Savings Plan and Trust Agreement (“401(k) Plan”), that covers substantially all associates who have been employed 60 days and meet a minimum age requirement and employment classification criteria. The Company matches 100% of the first 1% of compensation saved by a participant, and 50% of the next 5% of compensation saved. Newly eligible associates are automatically enrolled at an initial 3% savings rate unless the associate actively opts out of participation in the plan. The 401(k) Plan was also amended during the second quarter of 2017 for participants whose benefits are frozen under the Pension Plan to add an enhanced Company contribution beginning January 1, 2018, in the amount of 2%,  4% or 6% of such participant’s eligible compensation, based on the participant’s age and years of service with the Company. The 401(k) Plan’s amendment further provides that the Company will contribute to the benefit of those associates of the Company hired or rehired after June 30, 2017 and those associates of the Company never enrolled in the Pension Plan an additional basic contribution in an amount equal to 2% of the associate’s eligible compensation beginning January 1, 2018. Participants will vest in the new basic and enhanced Company contributions upon completion of three years of service. 

The Company’s 401(k) plan matching expensetotaled$8.4 million, $7.7 million and $7.4 million for the years ended December 31, 2017, 2016 and2015, respectively.

Certain associates who were designated executive officers of Whitney Holding Company and/or Whitney National Bank before the acquisition by the Company are also covered by an unfunded nonqualified defined benefit pension plan. The benefits under this nonqualified plan were designed to supplement amounts to be paid under the defined benefit plan previously maintained for employees of Whitney Holding Company and/or Whitney National Bank (the “Whitney Pension Plan”), and are calculated using the Whitney Pension Plan’s formula, but without applying the restrictions imposed on qualified plans by certain provisions of the Internal Revenue Code. Accrued benefits under this plan were frozen as of December 31, 2012 in connection with the merger of the Whitney Pension Plan into the Company’s qualified defined benefit pension plan, and no future benefits will be accrued under this plan.

The Company also sponsors defined benefit postretirement plans for certain associates. The Hancock postretirement plans are available only to associates hired by the Company prior to January 1, 2000. The Hancock plans provide health care and life insurance benefits to retiring associates who participate in medical and/or group life insurance benefit plans for active associates and have reached 55 years of age with ten years of service, at the time of retirement. The postretirement health care plan is contributory, with retiree contributions adjusted annually and subject to certain employer contribution maximums.

The Whitney postretirement plans are available only to former employees of Whitney Holding Company and/or Whitney National Bank who meet the eligibility requirements, and offer health care and life insurance benefits for eligible retirees and their eligible dependents. Participant contributions are required under the health plan. These plans restrict eligibility for postretirement health benefits to retirees already receiving benefits as of the date of the plan amendments in 2007 and to those active participants who were eligible to receive benefits as of December 31, 2007 (i.e., were age 55 with ten years of credited service). Life insurance benefits are currently only available to associates who retired before December 31, 2007.

The Company assumed certain trends in health care costs in the determination of the benefit obligations. At December 31, 2017, the plans assumed a 8.0% increase in the pre- and post-Medicare age health costs for 2018, declining over a period of ten years to a 5.0% annual rate. At December 31, 2017, the mortality assumption was based on Revised RP-2014 Employee and Healthy Annuitants Bottom Quartile Generational Mortality Table forMales and Females - Projected with Improvement Scale MP-2017. At December 31, 2016, the mortality assumption was based on the Revised RP-2014 Employee Health Annuitants Bottom Quartile Table for Males and Females, with projected improvement MP-2016.  In 2016, the post-retirement benefit plan was amended to change post-65 coverage resulting in a re-measurement of the benefit obligation.

The following tables detail the changes in the benefit obligations and plan assets of the defined benefit plans for the years ended December 31, 2017 and 2016 as well as the funded status of the plans at each year end and the amounts recognized in the Company’s balance sheets. The Company uses a December 31 measurement date for all defined benefit pension plans and other postretirement benefit plans.

	2017		2016		2017		2016
(in thousands)	Pension Benefits				Other Post- Retirement Benefits
Change in benefit obligation
Benefit obligation:
at beginning of year	$	479,281	$	462,819	$	22,481	$	22,281
Service cost		15,381		14,098		129		170
Interest cost		16,514		16,907		668		773
Plan participants' contributions		—		—		636		1,269
Plan amendments		(17,315)		—		—		(1,224)
Net actuarial loss		39,419		16,944		993		1,844
Benefits paid		(19,436)		(31,487)		(1,871)		(2,632)
Benefit obligation, end of year		513,844		479,281		23,036		22,481
Change in plan assets
Fair value of plan assets:
at beginning of year		515,555		491,550		—		—
Actual return on plan assets		68,307		40,375		—		—
Employer contributions		1,132		16,123		1,235		1,363
Plan participants' contributions		—		—		636		1,269
Benefit payments		(19,436)		(31,487)		(1,871)		(2,632)
Expenses		(1,193)		(1,006)		—		—
Fair value of plan assets, end of year		564,365		515,555		—		—
Funded status at end of year - net asset (liability)	$	50,521	$	36,274	$	(23,036)	$	(22,481)
Amounts recognized in accumulated other   comprehensive loss
Unrecognized loss:
at beginning of year	$	115,910	$	109,565	$	(2,078)	$	(2,553)
Net actuarial loss (gain)		(12,932)		6,345		1,346		475
Unrecognized loss at end of year	$	102,978	$	115,910	$	(732)	$	(2,078)
Projected benefit obligation	$	513,844	$	479,281
Accumulated benefit obligation		489,075		443,261
Fair value of plan assets		564,365		515,555

The net funded status of $50.5million for pension benefits plans includes an excess of plan assets over the benefit obligation of $66.2 million on the defined benefit pension plan, offset by an unfunded benefit obligation of $15.7 million for the nonqualified retirement plan.

The following table shows net periodic benefit cost included in expense and the changes in the amounts recognized in AOCI during 2017,  2016, and 2015.  

	Years Ended December 31,
	2017		2016		2015		2017		2016		2015
($ in thousands)	Pension Benefits						Other Post-Retirement Benefits
Net periodic benefit cost
Service cost	$	15,381	$	14,098	$	13,511	$	129	$	170	$	117
Interest cost		16,514		16,907		18,635		668		773		891
Expected return on plan assets		(37,632)		(34,554)		(32,833)		—		—		—
Amortization of net loss/ prior service cost		5,554		5,783		3,169		(353)		145		6
Net periodic benefit cost		(183)		2,234		2,482		444		1,088		1,014
Other changes in plan assets and benefit obligations recognized in other comprehensive income, before taxes
Net (loss) gain recognized during the year		(5,554)		(5,783)		(3,169)		353		(145)		(6)
Net actuarial loss (gain)		(7,378)		12,128		39,876		993		620		(5,905)
Total recognized in other comprehensive income		(12,932)		6,345		36,707		1,346		475		(5,911)
Total recognized in net periodic benefit cost and other comprehensive income	$	(13,115)	$	8,579	$	39,189	$	1,790	$	1,563	$	(4,897)
Discount rate for benefit obligations		3.57%		4.10%		4.40%		3.52%		3.95%		4.32%
Discount rate for net periodic benefit cost		4.10%		4.40%		4.11%		3.95%		4.32%		4.02%
Expected long-term return on plan assets		7.25%		7.25%		7.50%		n/a		n/a		n/a
Rate of compensation increase		scaled *		scaled *		scaled *		n/a		n/a		n/a

*     Graded scale, declining from 7.00% at age 20 to 2.00% at age 60

The long term rate of return on plan assets is determined by using the weighted-average of historical real returns for major asset classes based on target asset allocations.  The discount rates for the benefit obligation were calculated by matching expected future cash flows to the BPSM-AA Only Pension Discount Curve for 2017 and to the Wells Fargo Pension Discount Curve Liability Index for 2016.

The following shows expected plan benefit payments over the ten years following December 31, 2017:

(in thousands)	Pension		Post-Retirement		Total
2018	$	21,143	$	1,346	$	22,489
2019		21,869		1,364		23,233
2020		22,882		1,350		24,232
2021		23,881		1,404		25,285
2022		24,824		1,320		26,144
2023-2027		140,214		6,394		146,608
	$	254,813	$	13,178	$	267,991

The expected benefit payments are estimated based on the same assumptions used to measure the Company’s benefit obligations at December 31, 2017.  

The estimated amounts of actuarial loss that will be amortized from accumulated other comprehensive loss into net periodic benefit cost over the next year is $4.0million.

The following table illustrates the effect on the annual periodic postretirement benefit costs and postretirement benefit obligation of a 1% increase or 1% decrease in the assumed health care cost trend rates from the rates assumed at December 31, 2017:  

	1% Decrease		Assumed		1% Increase
(in thousands)	in Rates		Rates		in Rates
Aggregated service and interest cost	$	722	$	797	$	889
Postretirement benefit obligation		20,964		23,036		25,564

The fair values of pension plan assets at December 31, 2017 and 2016, by asset category, are shown in the following tables. The fair value is presented based on the Financial Accounting Standards Board’s fair value hierarchy that prioritizes inputs into the valuation techniques used to measure fair value.  Level 1 uses quoted prices in active markets for identical assets, Level 2 uses significant observable inputs, and Level 3 uses significant unobservable inputs. In accordance with Subtopic 820-10 common trust funds are reported at fair value using net asset value per share (or its equivalent) as a practical expedient and are not classified in the fair value hierarchy.

For all investments, the plan attempts to use quoted market prices of identical assets on active exchanges, or Level 1 measurements. Where such quoted market prices are not available, the plan will use quoted prices for similar instruments or discounted cash flows to estimate the value, reported as Level 2.

	December 31, 2017
Fair Value Measurements by Asset Category / Fund		Level 1		Level 2		Level 3	Total
(in thousands)
Cash and equivalents	$	5,496	$	—	$	—	$	5,496
Total cash and cash equivalents		5,496		—		—		5,496
Fixed income securities		—		113,169		162		113,331
Mutual fund-fixed income		31,839		—		—		31,839
Total fixed income		31,839		113,169		162		145,170
Domestic and foreign stock		102,416		6		—		102,422
Mutual funds-equity		168,299		—		—		168,299
Total equity		270,715		6		—		270,721
Real assets fund		—		—		—		—
Total assets at fair value		308,050		113,175		162		421,387
Common trust funds (fixed income)		—		—		—		114,068
Common trust fund (real assets)		—		—		—		28,910
Total	$	308,050	$	113,175	$	162	$	564,365

	December 31, 2016
Fair Value Measurements by Asset Category / Fund		Level 1		Level 2		Level 3		Total
(in thousands)
Cash and equivalents	$	15,568	$	—	$	—	$	15,568
Total cash and cash equivalents		15,568		—		—		15,568
Fixed income securities		—		136,085		—		136,085
Mutual fund-fixed income		48,805		—		—		48,805
Total fixed income		48,805		136,085		—		184,890
Domestic and foreign stock		104,455		6		—		104,461
Mutual funds-equity		157,630		—		—		157,630
Total equity		262,085		6		—		262,091
Real assets fund		27,690		—		—		27,690
Total assets at fair value		354,148		136,091		—		490,239
Common trust fund (fixed income)		—		—		—		25,316
Total	$	354,148	$	136,091	$	—	$	515,555

The following table presents the percentage allocation of the plan assets by asset category and corresponding target allocations at December 31, 2017 and 2016.

	Plan Assets				Target Allocation
	at December 31,				at December 31,
Asset category	2017		2016		2017	2016
Cash and equivalents	1	%	3	%	0 - 5%	0 - 5%
Fixed income securities	46		41		35 - 63%	25 - 65%
Equity securities	48		51		35 - 51%	30 - 60%
Real assets	5		5		0 - 12%	0 - 10%
	100	%	100	%

Plan assets are invested in long-term strategies and evaluated within the context of a long-term investment horizon. Plan assets will be diversified across multiple asset classes so as to minimize the risk of large losses. Short-term fluctuations in value will be considered secondary to long-term results. The Company employs a total return approach whereby a diversified mix of asset class investments are used to maximize the long-term return of plan assets for an acceptable level of risk. Risk tolerance is established through careful consideration of the plan liabilities, plan funded status and the Company’s financial condition. The investment performance of the plan is regularly monitored to ensure that appropriate risk levels are being taken and to evaluate returns versus a suitable market benchmark. The benefits investment committee meets periodically to review the policy, strategy, and performance of the plans.

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Share-Based Payment Arrangements

12 Months Ended

Dec. 31, 2017

Share-Based Payment Arrangements [Abstract]

Share-Based Payment Arrangements

Note 17. Share-Based Payment Arrangements

The Company maintains incentive compensation plans that incorporate share-based payment arrangements for associates and directors. The current plan under which share-based awards may be granted, the 2014 Long Term Incentive Plan (the “2014 Plan”), was approved by the Company’s stockholders at the 2014 annual meeting as a successor to the Company’s 2005 Long-Term Incentive Plan (the “2005 Plan”). Certain share-based awards remain outstanding under the 2005 Plan and prior equity incentive compensation plans, but no future awards may be granted thereunder.

The Compensation Committee of the Company’s Board of Directors administers the equity incentive plans, makes determinations with respect to participation by employees or directors and authorizes the share-based awards. Under the 2014 Plan, participants may be awarded stock options (including incentive stock options for associates), restricted shares, performance stock awards and stock appreciation rights, all on a stand-alone, combination or tandem basis. To date, the Committee has awarded stock options, tenure-based restricted shares and performance stock awards under the 2014 Plan and the prior equity incentive plans.

During the year ended December 31, 2017, the Company’s shareholders approved a 1,200,000 increase in the aggregate number of awards that may be granted under the 2014 Plan. Future awards may be granted for the issuance of an aggregate of 2,996,357 shares of the Company’s common stock, plus the number of any shares of the Company’s common stock for which awards under the 2005 Plan are cancelled, expired, forfeited or settled in cash. The 2014 Plan limits the number of shares for which awards may be granted to any participant during any calendar year to 100,000 shares. The Company may use authorized unissued shares or shares held in treasury to satisfy awards under the 2014 Plan.

As of December 31, 2017 there were 1.6 million shares available for future issuance under the 2014 equity compensation plan.

For the years ended December 31, 2017,  2016 and 2015 total share-based compensation recognized in income was $17.6 million, $14.3 million and $12.9 million, respectively. The total recognized tax benefit related to the share-based compensation was $13.3 million,  $5.2 million and $4.8 million for 2017,  2016 and 2015, respectively.

A summary of option activity for 2017 is presented below:

Options	Number of Shares	Weighted- Average Exercise Price ($)		Weighted- Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value ($000)
Outstanding at January 1, 2017	456,258	$	35.91	3.5	$	3,734
Exercised	(350,744)		34.65			4,304
Cancelled/Forfeited	(538)		32.09			6
Expired	(16,675)		68.18			—
Outstanding at December 31, 2017	88,301	$	34.84	2.8	$	1,294
Exercisable at December 31, 2017	88,301	$	34.84	2.8	$	1,294

The number of shares subject to the outstanding options reflected above includes shares to be issued upon the exercise of options that were assumed by the Company in the acquisition of Whitney Holding Corporation.

The exercise price for stock options is set at the closing market price of the Company’s stock on the date immediately preceding the date of grant, except for the exercise price of certain options granted to major stockholders which is set at 110% of the market price. Option awards generally vest equally over five years of continuous service and have ten-year contractual terms.

The total intrinsic value of options exercised during 2017 was $4.3 million. The total intrinsic value of options exercised during 2016 and 2015 was $0.5 million, and $0.02 million, respectively.

A summary of the Company’s nonvested restricted and performance shares for the year ended December 31, 2017is presented below:

	Number of Shares	Weighted- Average Grant-Date Fair Value ($)
Nonvested at January 1, 2017	2,152,119	$	32.12
Granted	525,258		45.71
Vested	(906,944)		30.66
Cancelled/Forfeited	(61,491)		32.57
Nonvested at December 31, 2017	1,708,942	$	37.05

As of December 31, 2017, there was $50.6 million of total unrecognized compensation expense related to nonvested restricted and performance shares expected to vest. This compensation is expected to be recognized in expense over a weighted-average period of 3.5 years. The total fair value of shares which vested during 2017 and 2016was $26.3 million and$11.5 million, respectively.

In 2017,  the Company granted 23,489 performance shares subject to a total shareholder return (“TSR”) performance metric with a grant date fair value of $42.92 per share and 23,489 performance shares subject to a core earnings per share performance metric with a grant date fair value of $38.26 per share to key members of executive management.The number of performance shares subject to TSR that ultimately vest at the end of the three-year performance period, if any, will be based on the relative rank of the Company’s three-year TSR among the TSRs of a peer group of 43 regional banks.  The fair value of the performance shares subject to TSR at the grant date was determined using a Monte Carlo simulated method.  The number of performance shares subject to core earnings per share that ultimately vest will be based on the Company’s attainment of certain core earnings per share goals over the two-year performance period.   The maximum number of performance shares that could vest is 200% of the target award.  Compensation expense for these performance shares will be recognized on a straight-line basis over the three-year service period.

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Commitments and Contingencies

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies [Abstract]

Commitments and Contingencies

Note 18. Commitments and Contingencies

Credit Related

In the normal course of business, the Bank enters into financial instruments, such as commitments to extend credit and letters of credit, to meet the financing needs of its customers. Such instruments are not reflected in the accompanying consolidated financial statements until they are funded, although they expose the Bank to varying degrees of credit risk and interest rate risk in much the same way as funded loans.

Commitments to extend credit include revolving commercial credit lines, nonrevolving loan commitments issued mainly to finance the acquisition and development or construction of real property or equipment, and credit card and personal credit lines. The availability of funds under commercial credit lines and loan commitments generally depends on whether the borrower continues to meet credit standards established in the underlying contract and has not violated other contractual conditions. Loan commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee by the borrower. Credit card and personal credit lines are generally subject to cancellation if the borrower’s credit quality deteriorates. A number of commercial and personal credit lines are used only partially or, in some cases, not at all before they expire, and the total commitment amounts do not necessarily represent future cash requirements of the Company.

A substantial majority of the letters of credit are standby agreements that obligate the Bank to fulfill a customer’s financial commitments to a third party if the customer is unable to perform. The Bank issues standby letters of credit primarily to provide credit enhancement to its customers’ other commercial or public financing arrangements and to help them demonstrate financial capacity to vendors of essential goods and services.

The contract amounts of these instruments reflect the Company’s exposure to credit risk. The Company undertakes the same credit evaluation in making loan commitments and assuming conditional obligations as it does for on-balance sheet instruments and may require collateral or other credit support. These off-balance sheet financial instruments are summarized below:

	December 31,
(in thousands)	2017		2016
Commitments to extend credit	$	6,689,033	$	5,878,290
Letters of credit		348,377		338,014

Legal Proceedings

The Company is party to various legal proceedings arising in the ordinary course of business. Management does not believe that loss contingencies, if any, arising from pending litigation and regulatory matters will have a material adverse effect on the consolidated financial position or liquidity of the Company.

Lease Commitments

The Company currently is obligated under a number of non-cancelable operating leases for buildings and equipment. Certain of these leases have escalation clauses and renewal options. Future minimum lease payments for non-cancelable operating leases with initial terms in excess of one year were as follows at December 31, 2017:

(in thousands)	Operating Leases
2018	$	16,307
2019		15,466
2020		13,815
2021		12,317
2022		12,099
Thereafter		81,826
Total minimum lease payments	$	151,830

Rental expense approximated $17.0 million,  $11.7 million and $13.3 million for the years ended December 31, 2017,  2016, and 2015, respectively.

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Fair Value of Financial Instruments

12 Months Ended

Dec. 31, 2017

Fair Value of Financial Instruments [Abstract]

Fair Value of Financial Instruments

Note 19. Fair Value of Financial Instruments

The FASB defines fair value as the exchange price that would be received to sell an asset or paid to transfer a liability in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. The FASB’s guidance also establishes a fair value hierarchy that prioritizes the inputs to these valuation techniques used to measure fair value, giving preference to quoted prices in active markets for identical assets or liabilities (level 1) and the lowest priority to unobservable inputs such as a reporting entity’s own data (level 3). Level 2 inputs include quoted prices for similar assets or liabilities in active markets, quoted prices for identical assets or liabilities in markets that are not active, observable inputs other than quoted prices, such as interest rates and yield curves, and inputs that are derived principally from or corroborated by observable market data by correlation or other means.

Fair Value of Assets Measured on a Recurring Basis

The following tables present for each of the fair value hierarchy levels the Company’s financial assets and liabilities that are measured at fair value on a recurring basis in the consolidated balance sheets.

	December 31, 2017
(in thousands)	Level 1		Level 2		Level 3		Total
Assets
Available for sale debt securities:
U.S. Treasury and government agency securities	$	—	$	97,272	$	—	$	97,272
Municipal obligations		—		243,786		—		243,786
Corporate debt securities		—		3,500		—		3,500
Residential mortgage-backed securities		—		1,715,213		—		1,715,213
Commercial mortgage-backed securities		—		687,135		—		687,135
Collateralized mortgage obligations		—		163,963		—		163,963
Total available for sale securities		—		2,910,869		—		2,910,869
Derivative assets (1)		—		14,157		—		14,157
Total recurring fair value measurements - assets	$	—	$	2,925,026	$	—	$	2,925,026
Liabilities
Derivative liabilities (1)	$	—	$	14,389	$	—	$	14,389
Total recurring fair value measurements - liabilities	$	—	$	14,389	$	—	$	14,389

(1) For further disaggregation of derivative assets and liabilities, see Note 10 – Derivatives.

	December 31, 2016
(in thousands)	Level 1		Level 2		Level 3		Total
Assets
Available for sale debt securities:
U.S. Treasury and government agency securities	$	—	$	54,828	$	—	$	54,828
Municipal obligations		—		242,155		—		242,155
Corporate debt securities		—		3,500		—		3,500
Residential mortgage-backed securities		—		1,611,355		—		1,611,355
Commercial mortgage-backed securities		—		402,591		—		402,591
Collateralized mortgage obligations		—		202,479		—		202,479
Total available for sale securities		—		2,516,908		—		2,516,908
Derivative assets (1)		—		20,315		—		20,315
Total recurring fair value measurements - assets	$	—		2,537,223	$	—		2,537,223
Liabilities
Derivative liabilities (1)	$	—	$	27,432	$	—	$	27,432
Total recurring fair value measurements - liabilities	$	—	$	27,432	$	—	$	27,432

(1) For further disaggregation of derivative assets and liabilities, see Note 10 – Derivatives.

The fair value measurements for investment securities are obtained quarterly from a third-party pricing service that uses industry-standard pricing models. Substantially all of the model inputs are observable in the marketplace or can be supported by observable data. The Company invests only in securities of investment grade quality with a targeted duration, for the overall portfolio, generally between two and five years. Company policies generally limit investments to agency securities and municipal securities determined to be investment grade according to an internally generated score which generally includes a rating of not less than “Baa” or its equivalent by a nationally recognized statistical rating agency.

The fair value of derivative financial instruments, which are predominantly customer interest rate swaps, is obtained from a third-party pricing service that uses an industry-standard discounted cash flow model that relies on inputs, LIBOR swap curves, Overnight Index swap rate curves, observable in the marketplace. To comply with the accounting guidance, credit valuation adjustments are incorporated in the fair values to appropriately reflect nonperformance risk for both the Company and the counterparties. Although the Company has determined that the majority of the inputs used to value the derivative instruments fall within level 2 of the fair value hierarchy, the credit value adjustments utilize level 3 inputs, such as estimates of current credit spreads. The Company has determined that the impact of the credit valuation adjustments is not significant to the overall valuation of these derivatives. As a result, the Company has classified its derivative valuations in their entirety in level 2 of the fair value hierarchy. The Company’s policy is to measure counterparty credit risk quarterly for all derivative instruments subject to master netting arrangements consistent with how market participants would price the net risk exposure at the measurement date.

The Company also has certain derivative instruments associated with the Bank’s mortgage-banking activities. These derivative instruments include interest rate lock commitments on prospective residential mortgage loans and forward commitments to sell these loans to investors on a best efforts delivery basis. The fair value of these derivative instruments is measured using observable market prices for similar instruments and is classified as a level 2 measurement.

The Company’s policy is to recognize transfers between valuation hierarchy levels as of the end of a reporting period.  There were no transfers between levels during the periods presented.

Fair Value of Assets Measured on a Nonrecurring Basis

Certain assets and liabilities are measured at fair value on a nonrecurring basis. Collateral-dependent impaired loans are level 2 assets measured at the fair value of the underlying collateral based on independent third-party appraisals that take into consideration market-based information such as recent sales activity for similar assets in the property’s market.

Other real estate owned, including both foreclosed property and surplus banking property, are level 3 assets that are adjusted to fair value, less estimated selling costs, upon transfer to other real estate owned. Subsequently, other real estate owned is carried at the lower of carrying value or fair value less estimated selling costs. Fair values are determined by sales agreement or third-party appraisals as discounted for estimated selling costs, information from comparable sales, and marketability of the property.

The following table presents for each of the fair value hierarchy levels the Company’s financial assets that are measured at fair value on a nonrecurring basis:

	December 31, 2017
(in thousands)		Level 1		Level 2		Level 3		Total
Collateral dependent impaired loans	$	—	$	184,205	$	—	$	184,205
Other real estate owned		—		—		6,928		6,928
Total nonrecurring fair value measurements	$	—	$	184,205	$	6,928	$	191,133

	December 31, 2016
(in thousands)		Level 1		Level 2		Level 3		Total
Collateral dependent impaired loans	$	—	$	169,888	$	—	$	169,888
Other real estate owned		—		—		13,968		13,968
Total nonrecurring fair value measurements	$	—	$	169,888	$	13,968	$	183,856

Accounting guidance from the FASB requires the disclosure of estimated fair value information about certain on- and off-balance sheet financial instruments, including those financial instruments that are not measured and reported at fair value on a recurring basis. The significant methods and assumptions used by the Company to estimate the fair value of financial instruments are discussed below.

Cash, Short-Term Investments and Federal Funds Sold – For those short-term instruments, the carrying amount is a reasonable estimate of fair value.

Securities – The fair value measurement for securities available for sale was discussed earlier in the note. The same measurement techniques were applied to the valuation of securities held to maturity.

Loans, Net – The fair value measurement for certain impaired loans was discussed earlier in the note. For the remaining portfolio, fair values were generally determined by discounting scheduled cash flows using discount rates determined with reference to current market rates at which loans with similar terms would be made to borrowers with similar credit quality.

Loans Held For Sale – These loans are recorded at fair value and carried at the lower of cost or market. The carrying amount is considered a reasonable estimate of fair value.

Deposits – The accounting guidance requires that the fair value of deposits with no stated maturity, such as noninterest-bearing demand deposits and interest-bearing checking and savings accounts, be assigned fair values equal to amounts payable upon demand (carrying amounts). The fair value of fixed-maturity certificates of deposit is estimated using the rates currently offered for deposits of similar remaining maturities.

Securities Sold under Agreements to Repurchase, Federal Funds Purchased and Short-Term FHLB Borrowings – For these short-term liabilities, the carrying amount is a reasonable estimate of fair value.

Long-Term Debt – The fair value is estimated by discounting the future contractual cash flows using current market rates at which debt with similar terms could be obtained.

Derivative Financial Instruments – The fair value measurement for derivative financial instruments was discussed earlier in the note.

The following tables present the estimated fair values of the Company’s financial instruments by fair value hierarchy levels and the corresponding carrying amount at December 31, 2017 and 2016.  

	December 31, 2017
							Total		Carrying
(in thousands)	Level 1		Level 2		Level 3		Fair Value		Amount
Financial assets:
Cash, interest-bearing bank
deposits, and federal funds sold	$	479,332	$	—	$	—	$	479,332	$	479,332
Available for sale securities		—		2,910,869		—		2,910,869		2,910,869
Held to maturity securities		—		2,962,010		—		2,962,010		2,977,511
Loans, net		—		184,205		18,403,303		18,587,508		18,786,855
Loans held for sale		—		39,865		—		39,865		39,865
Derivative financial instruments		—		14,157		—		14,157		14,157
Financial liabilities:
Deposits	$	—	$	—	$	22,238,847	$	22,238,847	$	22,253,202
Federal funds purchased		140,754		—		—		140,754		140,754
Securities sold under agreements
to repurchase		430,569		—		—		430,569		430,569
Short-term FHLB Borrowings		1,132,567		—		—		1,132,567		1,132,567
Long-term debt		—		303,631		—		303,631		305,513
Derivative financial instruments		—		14,389		—		14,389		14,389

	December 31, 2016
							Total		Carrying
(in thousands)	Level 1		Level 2		Level 3		Fair Value		Amount
Financial assets:
Cash, interest-bearing bank
deposits, and federal funds sold	$	450,866	$	—	$	—	$	450,866	$	450,866
Available for sale securities		—		2,516,908		—		2,516,908		2,516,908
Held to maturity securities		—		2,470,117		—		2,470,117		2,500,220
Loans, net		—		169,888		16,326,961		16,496,849		16,522,733
Loans held for sale		—		34,064		—		34,064		34,064
Derivative financial instruments		—		20,315		—		20,315		20,315
Financial liabilities:
Deposits	$	—	$	—	$	19,430,939	$	19,430,939	$	19,424,266
Federal funds purchased		2,275		—		—		2,275		2,275
Securities sold under agreements
to repurchase		358,131		—		—		358,131		358,131
FHLB Borrowings		865,000		—		—		865,000		865,000
Long-term debt		—		435,747		—		435,747		436,280
Derivative financial instruments		—		27,432		—		27,432		27,432

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Condensed Parent Company Information

12 Months Ended

Dec. 31, 2017

Condensed Parent Company Information [Abstract]

Condensed Parent Company Information

Note 20. Condensed Parent Company Information

The following condensed financial statements reflect the accounts and transactions of Hancock Holding Company only:

Condensed Balance Sheets

	December 31,
(in thousands)	2017		2016
Assets:
Cash	$	71,328	$	316,457
Securities available for sale		58,521		69,210
Investment in bank subsidiaries		2,953,032		2,547,224
Investment in non-bank subsidiaries		22,670		11,204
Due from subsidiaries and other assets		14,010		27,941
Total assets	$	3,119,561	$	2,972,036
Liabilities and Stockholders' Equity:
Long term debt	$	234,135	$	251,573
Other liabilities		477		695
Stockholders' equity		2,884,949		2,719,768
Total liabilities and stockholders’ equity	$	3,119,561	$	2,972,036

Condensed Statements of Income

	Years Ended December 31,
(in thousands)	2017		2016		2015
Operating Income
From subsidiaries
Cash dividends received from bank subsidiaries	$	90,000	$	120,000	$	31,000
Noncash dividend from bank subsidiaries		11,708		—		—
Equity in earnings of subsidiaries greater than
dividends received		124,531		39,293		111,424
Total operating income		226,239		159,293		142,424
Other expense, net		(16,931)		(16,614)		(17,297)
Income tax benefit		(6,324)		(6,617)		(6,334)
Net income	$	215,632	$	149,296	$	131,461
Other comprehensive income (loss), net of tax		11,460		(39,937)		(30,521)
Comprehensive income	$	227,092	$	109,359	$	100,940

Condensed Statements of Cash Flows

	Years Ended December 31,
(in thousands)	2017		2016		2015
Cash flows from operating activities - principally
dividends received from subsidiaries	$	111,591	$	122,528	$	33,912
Net cash provided by operating activities		111,591		122,528		33,912
Cash flows from investing activities
Contribution of capital to subsidiary		(270,000)		(21,000)		(90)
Proceeds from principal paydowns of securities available for sale		11,015		13,827		12,863
Other, net		—		—		1,629
Net cash provided by (used in) investing activities		(258,985)		(7,173)		14,402
Cash flows from financing activities:
Proceeds from issuance of long term debt		—		—		269,004
Repayment of long term debt		(17,900)		(17,900)		(149,600)
Dividends paid to stockholders		(83,266)		(77,012)		(77,474)
Repurchase of common stock		—		—		(95,613)
Proceeds from issuance of common stock		15,312		262,961		347
Payroll tax remitted on net share settlement of equity awards		(11,881)		(3,178)		(3,385)
Other, net		—		(133)		—
Net cash provided by (used in) financing activities		(97,735)		164,738		(56,721)
Net increase (decrease) in cash		(245,129)		280,093		(8,407)
Cash, beginning of year		316,457		36,364		44,771
Cash, end of year	$	71,328	$	316,457	$	36,364

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Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Policies)

12 Months Ended

Dec. 31, 2017

Summary of Significant Accounting Policies and Recent Accounting Pronouncements [Abstract]

Basis of Presentation

Basis of Presentation

The consolidated financial statements include the accounts of the Company and all other entities in which the Company has a controlling interest. Significant intercompany transactions and balances have been eliminated in consolidation. Certain prior period amounts have been reclassified to conform to the current period presentation.  

Use of Estimates

Use of Estimates

The accounting principles the Company follows and the methods for applying these principles conform to U.S. GAAP and general practices followed by the banking industry. These accounting principles and practices require management to make estimates and assumptions about future events that affect the amounts reported in the consolidated financial statements and the accompanying notes. Actual results could differ from those estimates.

Fair Value Accounting

Fair Value Accounting

U.S. GAAP requires the use of fair values in determining the carrying values of certain assets and liabilities in the financial statements, as well as for specific disclosures about certain assets and liabilities.

Accounting guidance establishes a fair value hierarchy that prioritizes the inputs to these valuation techniques used to measure fair value giving preference to quoted prices in active markets (level 1) and the lowest priority to unobservable inputs such as a reporting entity’s own data or information or assumptions developed from this data (level 3). Level 2 inputs include quoted prices for similar assets or liabilities in active markets, quoted prices for identical assets or liabilities in markets that are not active, observable inputs other than quoted prices, such as interest rates and yield curves, and inputs that are derived principally from or corroborated by observable market data by correlation or other means.

Business Combinations

Business Combinations

Business combinations are accounted for under the purchase method of accounting. Purchased assets, including identifiable intangibles, and assumed liabilities are recorded at their respective acquisition date fair values. If the fair value of net assets purchased exceeds the consideration given, a bargain purchase gain is recognized. If the consideration given exceeds the fair value of the net assets received or if the fair value of the net liabilities assumed exceeds the consideration received, goodwill is recognized. Fair values are subject to refinement for up to one year after the closing date of an acquisition as information relative to closing date fair values becomes available. Purchased loans acquired in a business combination are recorded at estimated fair value on their purchase date with no carryover of the related allowance for loan losses.

All identifiable intangible assets that are acquired in a business combination are recognized at the acquisition date fair value. 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).

Cash and Due from Banks

Cash and Due from Banks

The Company considers only cash on hand, cash items in process of collection and balances due from financial institutions as cash and cash equivalents.

Securities

Securities

Securities are classified as trading, held to maturity or available for sale. Management determines the appropriate classification of debt and equity securities at the time of purchase and reevaluates this classification periodically as conditions change that could require reclassification.

Available for sale securities are stated at fair value. Unrealized holding gains and unrealized holding losses, other than those determined to be other than temporary, are reported net of tax in other comprehensive income and in accumulated other comprehensive income (“AOCI”) until realized.

Securities that the Company both positively intends and has the ability to hold to maturity are classified as securities held to maturity and are carried at amortized cost. The intent and ability to hold are not considered satisfied when a security is available to be sold in response to changes in interest rates, prepayment rates, liquidity needs or other reasons as part of an overall asset/liability management strategy.

Premiums and discounts on securities, both those held to maturity and those available for sale, are amortized and accreted to income as an adjustment to the securities’ yields using the effective interest method. Realized gains and losses on securities, including declines in value judged to be other than temporary, are reported net as a component of noninterest income. The cost of securities sold is specifically identified for use in calculating realized gains and losses.

Loans

Loans

Loans held for investment

Loans that the Company has the intent and ability to hold for the foreseeable future or until maturity or payoff are considered loans held for investment and reported as “Loans” in the Consolidated Balance Sheets and in the related footnote disclosures.  Loans held for investment include loans originated for investment and loans acquired in purchase transactions.

Originated loans are reported at the principal balance outstanding net of unearned income.  Interest on loans and accretion of unearned income, including net deferred loan fees and costs, are computed in a manner that approximates a level yield on recorded principal. Interest on loans is recognized in income as earned.

The accrual of interest on an originated loan is discontinued when, in management’s opinion, it is probable that the borrower will be unable to meet payment obligations as they become due, as well as when required by regulatory provisions. When accrual of interest is discontinued on a loan, all unpaid accrued interest is reversed and payments subsequently received are applied first to recover principal. Interest income is recognized for payments received after contractual principal has been satisfied. Loans are returned to accrual status when all the principal and interest contractually due are brought current and future payment performance is reasonably assured. 

Loans that are acquired in purchase transactions are recorded at estimated fair value at the acquisition date with no carryover of the related allowance for loan losses.  Acquired loans are segregated between those considered to be performing (“purchased credit performing”) and those with evidence of credit deterioration (“purchased credit impaired”) based on such factors as past due status, nonaccrual status and credit risk ratings (rated substandard or worse).  Purchased credit performing loans are accounted for under Accounting Standards Codification (ASC) 310-20 and purchased credit impaired loans are accounted for under ASC 310-30. Purchased credit impaired loans for which the timing and amount of future cash flows cannot be reasonably projected are accounted for using the cost recovery method.

With the exception of those accounted for using the cost recovery method, the acquired loans are further segregated into loan pools designed to facilitate the development of expected cash flows to be used in estimating fair value.  The pools are based on common risk characteristics such as market area, loan type, credit risk ratings, contractual interest rate, and repayment terms.  Loan types can include commercial and industrial loans not secured by real estate, construction and land development loans, commercial real estate loans, residential mortgage loans, and consumer loans, with further segregation within certain loan types as needed.  Expected cash flows, both principal and interest, from each pool are estimated based on key assumptions covering such factors as prepayments, default rates, and severity of loss given a default.  These assumptions are developed using both historical experience and the portfolio characteristics at acquisition as well as available market research.  The fair value estimate for each pool is based on the estimate of expected cash flows from the pool discounted at prevailing market rates.

The difference at the acquisition date between the fair value and the contractual amounts due for each purchased credit performing loan pool (the “fair value discount”) is accreted into income over the estimated life of the pool.  Purchased credit performing loans are placed on nonaccrual status and reported as nonperforming or past due using the same criteria applied to the originated portfolio. 

The excess of estimated cash flows expected to be collected from each purchased credit impaired loan pool over the pool’s carrying value is referred to as the accretable yield and is recognized in interest income using an effective yield method over the expected life of the pool.  Each pool of purchased credit impaired loans is accounted for as a single asset with a single composite interest rate and an aggregate expectation of cash flows.  Purchased credit impaired loans in pools with an accretable yield and expected cash flows that are reasonably estimable are considered to be accruing and performing even though collection of contractual payments on loans within the pool may be in doubt.  Purchased credit impaired loans accounted for in pools are generally not subject to individual evaluation for impairment and are not reported with impaired loans or troubled debt restructurings even if they would otherwise qualify for such treatment.

Loans Held for Sale

Residential mortgage loans originated for sale are classified as loans held for sale and carried at the lower of cost or market. Forward sales commitments on a best-efforts basis are entered into with third parties concurrently with rate lock commitments made to prospective borrowers. At times, management may decide to sell loans that were not originated for that purpose. Those loans are reclassified as held for sale when that decision is made and also carried at the lower of cost or market.

Impaired Loans

The Company considers a loan to be impaired when, based upon current information and events, it believes it is probable all amounts due according to the contractual terms of the loans agreement will not be collected.  A loan is not considered impaired due to a delay in payment if all amounts due, including interest accrued at the contractual interest rate of the period of delay, is expected to be collected.  Impaired loans include loans on nonaccrual, certain purchased credit impaired loans accounted for using the cost recovery method, and troubled debt restructurings (defined below), both performing and nonperforming.  Purchased credit impaired loans accounted for in pools with an accretable yield are considered performing and excluded from impaired loans as this accounting methodology takes into consideration expected future credit losses.

Troubled Debt Restructurings

Troubled debt restructurings (TDRs) occur when a borrower is experiencing, or is expected to experience, financial difficulties in the near-term and a modification in loan terms is granted that would otherwise not have been considered.

Troubled debt restructurings can result in loans remaining on nonaccrual, moving to nonaccrual, or continuing to accrue, depending on the individual facts and circumstances of the borrower. All loans whose terms have been modified in a TDR, including both commercial and retail loans, are initially considered “impaired.” When measuring impairment on a TDR, the loan’s value is determined by either the present value of expected cash flows calculated using the loan’s effective interest rate before the restructuring, or the loan’s observable market price or the fair value of the collateral if the loan is collateral dependent. If the value as determined is less than the recorded investment in the loan, the difference is charged off through the allowance for loan and lease losses. Modified acquired-impaired loans are not removed from their accounting pool and accounted for as a TDR even if those loans would otherwise be deemed TDRs.

Allowance for Loan and Lease Losses

Allowance for Loan and Lease Losses

The Allowance for Loan and Lease Losses (ALLL) is a valuation account available to absorb losses on loans. The ALLL is established and maintained at an amount sufficient to cover estimated credit losses inherent in the loan and lease portfolios of the Company as of the date of the determination. Credit losses arise not only from credit risk, but also from other risks inherent in the lending process including, but not limited to, collateral risk, operational risk, concentration risk, and economic risk. As such, all related risks of lending are considered when assessing the adequacy of the allowance for loan and lease losses. Quarterly, management estimates inherent losses in the portfolio based on a number of factors, including the Company’s past loan loss and delinquency experience, known and inherent risks in the portfolio, adverse situations that may affect the borrowers’ ability to repay, the estimated value of any underlying collateral and current economic conditions.

The analysis and methodology for estimating the ALLL include two primary elements: A loss rate analysis, which incorporates a historical loss rate as updated for current conditions, is used for loans collectively evaluated for impairment; and a specific reserve analysis is used for loans individually evaluated for impairment. For the loss rate analysis, the Company segments loans into commercial non-real estate, commercial real estate – owner occupied, commercial real estate – income producing, construction and land development, residential mortgage and consumer, with further segmentation as deemed appropriate. Both quantitative and qualitative factors are applied at the detailed portfolio segments. Commercial loans (commercial non-real estate, commercial real estate – owner occupied, commercial real estate – income producing and construction and land development), are further subdivided by risk rating, while retail loans (residential mortgage and consumer) are further subdivided by delinquency. The Company uses loss emergence periods developed based on historical experience, which is currently 24 months for commercial loans and twelve to eighteenmonths for retail and residential mortgage loans. Historical loss rates are calculated using a weighted average of the most recent three loss emergence periods. As circumstances dictate, management will make adjustments to the overall loss rate to reflect differences in current conditions as compared to those during the historical loss period. Conditions to be considered include problem loan trends, current business and economic conditions, credit concentrations, lending policies and procedures, lending staff, collateral values, loan profiles and volumes, loan review quality, and changes in competition and regulations.

When a loan is determined to be impaired, the amount of impairment is recognized by creating a specific allowance for any shortfall between the loan’s value and its recorded investment. The loan’s value is measured by either the loan’s observable market price, the fair value of the collateral of the loan (less liquidation costs) if it is collateral dependent, or by the present value of expected future cash flows discounted at the loan’s effective interest rate. Loans individually analyzed for impairment are not incorporated into the pool analysis to avoid double counting. The Company limits the specific reserve analysis to include all impaired commercial and residential mortgage loans with relationship balances of $1 million or greater and all loans classified as troubled debt restructurings.

The monitoring of credit risk also extends to unfunded credit commitments, such as unused commercial credit lines and letters of credit, and management establishes reserves as needed for its estimate of probable losses on such commitments.

It is the policy of the Company to promptly charge off all commercial and residential mortgage loans, or portions of loans, when available information reasonably confirms that they are wholly or partially uncollectible. Prior to recognizing a loss, asset value is established based on an assessment of the value of the collateral securing the loan, the borrower’s and the guarantor’s ability and willingness to pay and the status of the account in bankruptcy court, if applicable. Consumer loans are generally charged down when the loan is 90 days past due for unsecured loans or 120 days past due for secured loans, unless the loan is clearly both well secured and in the process of collection. Loans are charged down to the fair value of the collateral, if any, less estimated selling costs. Loans are charged off against the allowance for loan losses with subsequent recoveries added back to the allowance.

Allowance for purchased credit performing loans is evaluated at each reporting date subsequent to acquisition.  An allowance is determined for each loan pool using a methodology similar to that described above for originated loans and then compared to the remaining fair value discount for that pool.  If the allowance is greater than the discount, the excess is recognized as an addition to the allowance through a provision for loan losses.  If the allowance is less than the discount, no additional allowance is recognized.

For purchased credit impaired loans accounted for in pools, estimated cash flows expected to be collected are recast at each reporting date for each loan pool. These evaluations require the continued use and updating of key assumptions and estimates such as default rates, loss severity given default and prepayment speed assumptions, similar to those used for the initial fair value estimate.  Management’s judgment must be applied in developing these assumptions.  If the present value of expected cash flows for a pool is less than its carrying value, impairment is recognized by an increase in the allowance for loan losses and a charge to the provision for loan losses. If the present value of expected cash flows for a pool is greater than its carrying value, any previously established allowance for loan losses is reversed and any remaining difference increases the accretable yield which will be taken into interest income over the remaining life of the loan pool. 

Property and Equipment

Property and Equipment

Property and equipment are recorded at cost, less accumulated depreciation and amortization. Depreciation is charged to expense using the straight-line method over the estimated useful lives of the assets, which are up to 30 years for buildings and three to ten years for most furniture and equipment. Amortization expense for software is generally charged over three years, or seven years for core systems. Leasehold improvements are amortized over the terms of the respective leases or the estimated useful lives of the improvements, whichever is shorter. The Company evaluates whether events and circumstances have occurred that indicate that such long-lived assets have been impaired. Measurement of any impairment of such long-lived assets is based on their fair values.

Property and equipment used in operations is considered held for sale when certain criteria are met, including when management has committed to a plan to sell the asset, the asset is available for sale in its immediate condition, and the sale is probable within one year of the reporting date. Assets held for sale are reported at the lower of cost or fair value less costs to sell.Gains and losses related to retirement or disposition of property and equipment are recorded in other income under noninterest income on the consolidated statements of income as realized.  

Other Real Estate

Other Real Estate

Other real estate owned includes real property that has been acquired in satisfaction of loans and property no longer used in the Bank’s business. These assets are recorded at the estimated fair value less the estimated cost of disposition and carried at the lower of either cost or market. Fair value is based on independent appraisals and other relevant factors. Any initial reduction in the carrying amount of a loan to the fair value of the collateral received less selling costs is charged to the allowance for loan losses. Other real estate is revalued on an annual basis or more often if market conditions necessitate. Subsequent losses on the periodic revaluation of the property are charged to current earnings, as are revenues from and costs of operating and maintaining the properties and gains or losses recognized on their disposition. Improvements made to properties are capitalized if the expenditures are expected to be recovered upon the sale of the properties.

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

Goodwill represents the excess of consideration paid over the fair value of net assets acquired or the excess of the fair value liabilities assumed over consideration received in a business combination.  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.  The impairment test compares the estimated fair value of a reporting unit with its net book value.  The Company has assigned all goodwill to one reporting unit that represents overall banking operations. The fair value of the reporting unit is based on valuation techniques that market participants would use in an acquisition of the whole unit, such as estimated discounted cash flows, the quoted market price of  the Company’s stock, adjusted for a control premium, and observable average price-to-earnings and price-to-book multiples of competitors.  If the unit’s fair value is less than its carrying value, an estimate of the implied fair value of the goodwill is compared to the goodwill’s carrying value, and any impairment recognized.

Other identifiable intangible assets with finite lives, such as core deposit intangibles and trade name, are initially recorded at fair value and are generally amortized over the periods benefited. These assets are evaluated for impairment similar to long-lived assets.

Life Insurance Contracts

Life Insurance Contracts

Bank-owned life insurance contracts (BOLI) are comprised of long-term life insurance contracts on the lives of certain current and past employees where the insurance policy benefits and ownership are retained by the employer. Its cash surrender value is an asset that the Company uses to partially offset the future cost of employee benefits. The cash value accumulation on BOLI is permanently tax deferred if the policy is held to the insured person’s death and certain other conditions are met.

FDIC Loss Share Receivable

FDIC Loss Share Receivable

Loans purchased in the 2009 acquisition of Peoples First Community Bank (Peoples First) were covered by two loss share agreements between the FDIC and the Company. The loss share receivable was measured separately from the related covered loans as it was not contractually embedded in the loans and was not transferrable should the loans be sold.  The fair value of the loss share receivable at acquisition was estimated by discounting expected reimbursements for losses from the loans covered by the loss share agreements, including appropriate consideration of possible true-up payments to the FDIC at the expiration of the agreements.

Prior to termination of the agreements in July 2017, the loss share receivable was reviewed and updated prospectively as loss estimates related to covered loan pools changed. Increases in expected reimbursements under the loss sharing agreement led to an increase in the loss share receivable. A decrease in expected reimbursements was reflected first as a reversal of any previously recorded increase in the loss share receivable on the covered loan pool with the remainder reflected as a reduction in the loss share receivable’s accretion rate. Increases and decreases in the loss share receivable related to changes in loss estimates resulted in reductions in or additions to the provision for loan losses, which serves to offset the impact on the provision from impairments or impairment reversals recognized on the underlying covered loan pool. The excess (or shortfall) of expected claims as compared to the carrying value of the loss share receivable was accreted (amortized) into noninterest income over the shorter of the remaining life of the covered loan pool or the life of the loss share agreement. The impact on operations of a reduction in the loss share receivable’s accretion rate was associated with an increase in the accretable yield on the underlying loan pool. The loss share receivable was reduced as cash was received from the FDIC related to losses incurred on covered assets.

Derivative Instruments and Hedging Activities

Derivative Instruments and Hedging Activities

The Company records all derivatives on the balance sheet at fair value as components of other assets and other liabilities. Effective January 3, 2017, the Company’s central clearing counterparty amended its rulebook to legally characterize variation margin accounts as settlements, rather than being reflected separately as collateral.  As a result of the change, the Company began prospectively reflecting derivative assets and liabilities net of the central clearing counterparty derivative margin account.The accounting for changes in the fair value of derivatives depends on the intended use of the derivative, whether the Company has elected to designate a derivative in a hedging relationship and apply hedge accounting and whether the hedging relationship has satisfied the criteria necessary to apply hedge accounting. Derivatives designated and qualifying as a hedge of the exposure to changes in the fair value of an asset, liability, or firm commitment attributable to a particular risk, such as interest rate risk, are considered fair value hedges. Derivatives designated and qualifying as a hedge of the exposure to variability in expected future cash flows, or other types of forecasted transactions, are considered cash flow hedges. Hedge accounting generally provides for the matching of the timing of gain or loss recognition on the hedging instrument with the recognition of the changes in the fair value of the hedged asset or liability that are attributable to the hedged risk in a fair value hedge or the earnings effect of the hedged forecasted transactions in a cash flow hedge.

For derivatives designated as hedging the exposure to changes in the fair value of an asset or liability (fair value hedge), the gain or loss is recognized in earnings in the period of the fair value change together with the offsetting loss or gain on the hedged item attributable to the risk being hedged. Earnings will be affected to the extent to which the hedge is not effective in achieving offsetting changes in fair value. For derivatives designated as hedging exposure to variable cash flows of a forecasted transaction (cash flow hedge), the effective portion of the derivative’s gain or loss is initially reported as a component of other comprehensive income and subsequently reclassified into earnings when the forecasted transaction affects earnings or in certain circumstances, when the hedge is terminated. The ineffective portion of the gain or loss is reported in earnings immediately. For derivatives that are not designated as hedging instruments, changes in the fair value of the derivatives are recognized in earnings immediately.

In applying hedge accounting for derivatives, the Company establishes a method for assessing the effectiveness of the hedging derivative and a measurement approach for determining the ineffective aspect of the hedge upon the inception of the hedge. These methods are consistent with the Company’s approach to managing risk.

Note 10 - Derivatives describes the derivative instruments currently used by the Company and discloses how these derivatives impact the Company’s financial position and results of operations.

Stockholders' Equity

Stockholders’ Equity

Common stock reflects shares issued at par value.  Repurchase of the Company’s common stock (treasury stock) is recorded at cost as a reduction of stockholders’ equity within capital surplus in the accompanying Consolidated Balance Sheets and the Statements of Changes in Stockholders’ Equity.  When treasury shares are subsequently reissued, treasury stock is reduced by the cost of such stock using the first-in-first-out method, with the difference recorded in capital surplus or retained earnings, as applicable.

Income Taxes

Income Taxes

Income taxes are accounted for using the asset and liability method. Current tax liabilities or assets are recognized for the estimated income taxes payable or refundable on tax returns to be filed with respect to the current year. Deferred tax assets and liabilities are based on temporary differences between the financial statement carrying amounts and the tax bases of the Company’s assets and liabilities. Deferred tax assets and liabilities are measured using the enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be realized or settled. Valuation allowances are established against deferred tax assets if, based on all available evidence, it is more likely than not that some or all of the assets will not be realized. The benefit of a position taken or expected to be taken in a tax return is recognized when it is more likely than not that the position will be sustained on its technical merits. The effects of changes in tax rates and laws upon deferred tax balances are recognized in the period in which the legislation is enacted.

The Company makes investments that generate investment tax credits (ITC).  The Company uses the deferral method of accounting which results in the investment tax credits being recognized as a reduction of the related asset.

The Company also invests in projects that yield tax credits issued under the Qualified Zone Academy Bonds (QZAB), Qualified School Construction Bonds (QSCB), Federal and State New Market Tax Credit (NMTC), and Low-Income Housing Tax Credit (LIHTC) programs. Returns on these investments are generated through the receipt of federal and state tax credits. The tax credits are recorded as a reduction to the income tax provision in the year that they are earned. Tax credits from QZAB and QSCB bonds are generally earned over the life of the bonds in lieu of interest income. Credits on Federal NMTC investments are earned over the 7 year compliance period beginning with the year of investment. Credits on State NMTC investments are generally earned over a 3 to 5 year period depending upon the specific state program. Tax credits are earned over a 10 year period for Low-Income Housing investments beginning with the year in which rental activity begins. These tax credits, if not used in the tax return for the year when the credits are first available for use, can be carried forward for 20 years. For those investments where the return of the principal is not expected, the equity investment is amortized over the life of the tax compliance period as a component of noninterest expense.

Retirement Benefits

Retirement Benefits

The Company sponsors defined benefit pension plans and certain other defined benefit postretirement plans for eligible employees. The amounts reported in the consolidated financial statements with respect to these plans are based on actuarial valuations that incorporate various assumptions regarding future experience under the plans. Note 16 – Retirement Benefit Plans discusses the actuarial assumptions and provides information about the liabilities or assets recognized for the funded status of the Company’s obligations under these plans, the net benefit expense charged to current operations, and the amounts recognized as a component of other comprehensive income and AOCI.

Share-Based Payment Arrangements

Share-Based Payment Arrangements

The grant date fair value of equity instruments awarded to employees and directors establishes the cost of the services received in exchange, and the cost associated with awards that are expected to vest is recognized over the requisite service period.  Share-based compensation for service-based awards that contain a graded vesting schedule is recognized over on a straight-line basis over the requisite service period for the entire award. Forfeitures of unvested awards are recognized in earnings in the period in which they occur. Refer to Note 17 – Share-Based Payment Arrangements for additional information.

Revenue Recognition

Revenue Recognition

The largest source of revenue for the Company is interest revenue. Interest revenue is recognized on an accrual basis driven by written contracts, such as loan agreements or securities contracts. Loan origination fees are recognized over the life of the loan as an adjustment to yield. Other credit-related fees, including letter of credit fees, are recognized in noninterest income when earned. The Company recognizes commission revenue and brokerage, exchange and clearance fees on a trade-date basis. Other types of noninterest revenue such as service charges on deposits and trust revenues are accrued and recognized into income as services are provided and the amount of fees earned can be reasonably determined.

Earnings Per Share

Earnings Per Share

The Company calculates earnings per share using the two-class method. The two-class method allocates net income to each class of common stock and participating security according to the common dividends declared and participation rights in undistributed earnings. Participating securities currently consist of unvested share-based payment awards that contain nonforfeitable rights to dividends or dividend equivalents.

Basic earnings per common share is computed by dividing income applicable to common shareholders by the weighted-average number of common shares outstanding for the applicable period. Shares outstanding exclude treasury shares and unvested share-based payment awards under long-term incentive compensation plans and directors’ compensation plans. Diluted earnings per common share is computed using the weighted-average number of common shares outstanding increased by the number of shares in which employees would vest under performance-based stock awards and stock unit awards based on expected performance factors and by the number of additional shares that would have been issued if potentially dilutive stock options were exercised, each as determined using the treasury stock method.

Reportable Segment Disclosures

Reportable Segment Disclosures

Accounting standards require that information be reported about a company’s operating segments using a “management approach.” Reportable segments are identified in these standards as those revenue-producing components for which discrete financial information is produced internally and which are subject to evaluation by the chief operating decision maker in deciding how to allocate resources to segments. The Company has one state bank charter and its stated strategy is focused on providing a consistent package of community banking products and services throughout a coherent market area; as such, the Company has identified its overall banking operations as its only reportable segment. Because the overall banking operations comprise substantially all of the Company’s consolidated operations, no separate segment disclosures are presented.

Other

Other

Assets held by the Bank in a fiduciary capacity are not assets of the Bank and are not included in the Consolidated Balance Sheets.

Recent Accounting Pronouncements

RECENT ACCOUNTING PRONOUNCEMENTS

Accounting Standards Adopted in 2017

In February 2018, the FASB issued Accounting Standards Update (“ASU”) 2018-02, “Income Statement – Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income.” The ASU allows reclassification from accumulated other comprehensive income/loss to retained earnings for stranded tax effects resulting from the newly enacted federal corporate tax rate. The amendments in this updateare effective for all entities for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption of the amendments is permitted, including adoption in any interim period, for public business entities for reporting periods for which financial statements have not yet been issued.  The amendments in this update should be applied retrospectively to each period (or periods) in which the effect of the change in the U.S. federal corporate income tax rate in the Tax Cuts and Jobs Act of 2017 is recognized. The Company early adopted this guidance retrospectively, which resulted in a reclassification of $25.3 million from Accumulated Other Comprehensive Loss, Net to Retained Earnings reflected in the Company’s consolidated balance sheet as of December 31, 2017.  Refer to Note 13 – Income Taxes for more information of the provisions of the Tax Cuts and Jobs Act and its impact to the Company’s financial condition and results of operations.

In March 2017, the FASB issued ASU 2017-08, “Receivables – Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities,” which amends the amortization period for certain purchased callable debt securities held at a premium.  The amendments require the premium to be amortized to the earliest call date.  The amendments do not, however, require an accounting change for securities held at a discount; instead, the discount continues to be amortized to maturity.  The amendments in this ASU more closely align the amortization period of premiums and discounts to expectations incorporated in market pricing on the underlying securities.  These amendments are effective for fiscal years, and for interim periods within those fiscal years, beginning after December 15, 2018.  The Company early adopted this amendment in the second quarter of 2017 and, in accordance with the standards, the Company began amortizing the premium for certain purchased callable debt securities to the earliest call date.  The adoption of this guidance did not have a material impact on the Company’s financial condition or results of operations.

In March 2016, the FASB issued ASU 2016-09, “Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting,” to improve the accounting for employee share-based payments. Several aspects of the accounting for share-based payment award transactions are simplified, including income tax consequences; classification of awards as either equity or liabilities; and classification on the statement of cash flows.  The amendments were effective for public business entities for annual periods beginning after December 15, 2016, and interim periods within those annual periods.  The Company adopted the guidance effective January 1, 2017.  In accordance with the standard, the Company elected to account for forfeitures of stock-based compensation as they occur and began reclassifying dividends paid on forfeited shares to compensation expense from retained earnings.  Classification of shares forfeited for taxes are now reflected in the statement of cash flows as a financing rather than operating activity, with all historical periods restated.  In addition, the Company began recognizing excess tax benefits and tax deficiencies during the period in income (rather than in equity) on a prospective basis.  Adoption of this guidance did not have a material impact on the Company’s financial condition or results of operations; however, the prospective change in treatment of excess tax benefits resulted in a reduction of income tax expense of approximately $5.8 million for the year ended December 31, 2017, and could result in volatility of future earnings, depending on changes in the Company’s stock price.

Accounting Standards Issued but Not Yet Adopted at December 31, 2017

Accounting Standards Issued but Not Yet Adopted at December 31, 2017

In August 2017, the FASB issued ASU 2017-12, “Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities,” with the objective of improving financial reporting of hedging relationships to better portray the economic results of an entity’s risk management activities in its financial statements. The update provides changes to both the designation and measurement guidance for qualifying hedging relationships and the presentation of hedge results. The amendments in this update are effective for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early application is permitted in any interim period after issuance of the update. All transition requirements and elections are to be applied to hedging relationships existing on the date of adoption, and the effect of the adoption should be reflected as of the beginning of the fiscal year of adoption.  The Company expects to early adopt this guidance in 2018, using a modified retrospective transition. Adoption of this guidance will not have a material impact upon the Company’s financial condition or results of operations.

In March 2017, the FASB issued ASU 2017-07, “Compensation – Retirement Benefits (Topic 715):  Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Costs,” to improve the presentation of net periodic pension cost and net periodic postretirement benefit cost.  The amendments require that an employer report the service cost component in the same line item or items as other compensation costs arising from services rendered by the pertinent employees during the period.  The other components of net benefit cost are required to be presented in the income statement separately from the service cost component and outside a subtotal of income from operations, if one is presented.  The amendments also allow only the service cost component to be eligible for capitalization when applicable.  These amendments are effective for public business entities for annual periods beginning after December 15, 2017, including interim periods within those annual periods.  Disclosures of the nature of and reason for the change in accounting principle are required in the first interim and annual periods of adoption.  The amendments should be applied retrospectively for the presentation of the service cost component and the other components of net periodic pension cost and net periodic postretirement benefit cost in the income statement and prospectively, on and after the effective date, for the capitalization of the service cost component of net periodic pension cost and net periodic postretirement benefit in assets. Refer to Note 15 – Retirement Benefit Plans – for detail on the components of net periodic pension and post-retirement benefit costs.   Application of this guidance applies only to presentation and will not have a material impact on the Company’s financial condition or results of operations.

In June 2016, the FASB issued ASU 2016-13, “Financial Instruments – Credits Losses (Topic 326): Measurement of Credit Losses on Financial Instruments,” to improve financial reporting by requiring timelier recording of credit losses on loans and other financial instruments held by financial institutions and other organizations.  The ASU, more commonly referred to as Current Expected Credit Losses, or CECL, requires the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts.  Financial institutions and other organizations will now use forward-looking information to better inform their credit loss estimates.  Many of the loss estimation techniques currently applied will still be permitted, although the inputs to those techniques will change to reflect the full amount of expected credit losses.  Organizations will continue to use judgment to determine which loss estimation method is appropriate for their circumstances.  In addition, the ASU amends the accounting for credit losses on debt securities and purchased financial assets with credit deterioration.  The ASU is effective for SEC filers for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019, with a cumulative-effect adjustment to retained earnings as of the beginning of the year of adoption.  Early application is permitted for all organizations for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018.  The Company is not planning to early adopt this guidance. The Company has engaged a third party to assist in the development of a project roadmap and has formed a cross-functional working group comprised of individuals from various areas including credit, finance, risk management, and information technology. The Company expects the guidance will result in an increase in the allowance for loan losses given the change from covering losses inherent in the portfolio to covering losses over the remaining expected life of the portfolio and the nonaccretable difference on purchased credit impaired loans moving to an allowance (offset by an increase in the carrying value of the related loans). The guidance will also result in the establishment of an allowance for credit loss on held to maturity debt securities.  The amount of the increase in these allowances will be impacted by the portfolio composition and quality at the adoption date as well as economic conditions and forecasts at that time.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842),” that provides new lease accounting guidance.  Under the guidance, lessees (with the exception of short-term leases) will be required to recognize a lease liability, which is a lessee’s obligation to make lease payments arising from a lease, measured on a discounted basis; and a right-of-use asset, which is an asset that represents the lessee’s right to use, or control the use of, a specified asset for the lease term.  Lessor accounting is largely unchanged.  Lessees will need to recognize almost all leases on their balance sheet as a right-of-use asset and a lease liability.  Lessees will no longer be provided with a source of off-balance sheet financing.  Public business entities are required to apply the amendments for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years.  In the first quarter of 2018, the FASB issued a targeted improvement standard that allows an additional transition method to the new lease standard by recognizing a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption.  Consequently, an entity’s reporting for the comparative periods presented in the financial statements in which the entity adopts the new lease requirements would continue to be in accordance with current GAAP (Topic 840), including disclosures.  The Company plans to elect this transition method.  The Company has selected and will soon begin implementation of a third-party vendor solution. The Company expects a gross-up of its Consolidated Balance Sheets as a result of recognizing lease liabilities and right of use assets; the extent of such is under evaluation.  The Company does not expect material changes to its consolidated results of operations as a result of the application of this guidance.

In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers (Topic 606),” affecting any entity that enters into contracts with customers to transfer goods or services or enters into contracts for the transfer of nonfinancial assets unless those contracts are within the scope of other standards. The core principle of this standard is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. Most revenue associated with financial instruments, including interest and loan origination fees, is outside the scope of the guidance. Gains and losses on investment securities, derivatives, and sales of financial instruments are also excluded from the scope.  Subsequent to issuance of the revenue recognition guidance, the FASB has issued several updates that deferred by one year the effective date for revenue recognition guidance; clarified its guidance for performing the principal-versus-agent analysis; clarified guidance for identifying performance obligations allowing entities to ignore immaterial promised goods and services in the context of a contract with a customer and other clarifying guidance and technical corrections.  Entities can elect to adopt the guidance either on a full or modified retrospective basis.  Full retrospective adoption will require a cumulative effect adjustment to retained earnings as of the beginning of the earliest comparative period presented.  Modified retrospective adoption will require a cumulative effect adjustment to retained earnings as of the beginning of the reporting period in which the entity first applies the new guidance.  The standard is effective for the Company for annual reporting periods beginning after December 15, 2017.  The Company has completed its evaluation of contracts for compliance with the standard and will adopt this guidance in 2018 using the modified retrospective approach. The Company did not identify any material changes to the timing of revenue recognition. The Company will present certain underwriting costs (currently offset against Investment and Annuity Fees), as well as certain subadvisor costs (currently offset against Trust Fees) gross as noninterest expense upon adoption.   Adoption of this guidance will not have a material impact on the Company’s financial condition or results of operations and there will be no cumulative effect adjustment to opening retained earnings, as such an adjustment is deemed insignificant.

Additionally, the following ASUs are applicable to the Company and will be implemented in 2018, or later as the standards become effective, but are not expected to have a significant impact on the Company’s consolidated financial statements:

· ASU 2017-09, Compensation – Stock Compensation (Topic 718): Scope of Modification Accounting;

· ASU 2017-04, Intangibles – Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment;

· ASU 2017-01, Business Combinations (Topic 805): Clarifying the Definition of a Business;

· ASU 2016-16, Income Taxes (Topic 740): Intra-Entity Transfers of Assets Other than Inventory;

· ASU 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments; and

· ASU 2016-01, Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities

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Acquisitions (Tables)

12 Months Ended

Dec. 31, 2017

Acquisitions [Abstract]

Schedule of Fair Value of Net Assets Acquired and Liabilities Assumed

		FNBC I		FNBC II
(in thousands)		March 10, 2017		April 28, 2017		Total
ASSETS
Cash and due from banks	$	2,856	$	157,932	$	160,788
Interest-bearing time deposits with other banks		—		382,622		382,622
Fed funds sold and other short-term investments		—		148		148
Securities		—		213,877		213,877
Total loans		1,203,092		165,577		1,368,669
Property and equipment		11,946		8,988		20,934
Accrued interest receivable		3,143		885		4,028
Identifiable intangible assets		3,900		21,400		25,300
Deferred tax asset		856		1,364		2,220
Other assets		63		4,150		4,213
Total identifiable assets		1,225,856		956,943		2,182,799
LIABILITIES
Deposits		398,171		1,530,338		1,928,509
Short-term borrowings		510,749		85,886		596,635
Long-term debt		93,120		—		93,120
Other liabilities		1,607		3,079		4,686
Total liabilities		1,003,647		1,619,303		2,622,950
Net identifiable assets acquired (liabilities assumed)		222,209		(662,360)		(440,151)
Consideration (Paid) Received		(325,756)		641,577		315,821
Goodwill	$	103,547	$	20,783	$	124,330

Schedule of Goodwill

(in thousands)
Goodwill balance at December 31, 2016	$	621,193
Additions and adjustments:
Initial goodwill recorded in FNBC I transaction		95,568
Measurement period adjustments - FNBC I transaction		7,979
Initial goodwill recorded in FNBC II transaction		23,009
Measurement period adjustments - FNBC II transaction		(2,226)
Goodwill balance at December 31, 2017	$	745,523

Schedule of Merger-Related Expense

(in thousands)
Personnel expense	$	3,662
Net occupancy and equipment expense		777
Professional services expense		9,681
Data processing expense		974
Other real estate		(1,511)
Advertising expense		1,389
Other expense		4,398
Total merger-related expenses	$	19,370

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Securities (Tables)

12 Months Ended

Dec. 31, 2017

Gain (Loss) on Investments [Line Items]

Amortized Cost and Fair Value of Securities Available for Sale

Securities Available for Sale
	December 31, 2017								December 31, 2016
			Gross		Gross						Gross		Gross
	Amortized		Unrealized		Unrealized		Fair		Amortized		Unrealized		Unrealized		Fair
(in thousands)	Cost		Gains		Losses		Value		Cost		Gains		Losses		Value
U.S. Treasury and   government agency   securities	$	99,535	$	—	$	2,263	$	97,272	$	56,751	$	—	$	1,923	$	54,828
Municipal obligations		245,997		1,135		3,346		243,786		253,228		113		11,186		242,155
Residential mortgage-backed  securities		1,729,989		5,611		20,387		1,715,213		1,620,191		10,592		19,428		1,611,355
Commercial mortgage-backed  securities		704,518		480		17,863		687,135		425,750		—		23,159		402,591
Collateralized mortgage   obligations		165,518		4		1,559		163,963		202,580		490		591		202,479
Corporate debt securities		3,500		—		—		3,500		3,500		—		—		3,500
	$	2,949,057	$	7,230	$	45,418	$	2,910,869	$	2,562,000	$	11,195	$	56,287	$	2,516,908

Amortized Cost and Fair Value of Securities Held to Maturity

Securities Held to Maturity
	December 31, 2017								December 31, 2016
			Gross		Gross						Gross		Gross
	Amortized		Unrealized		Unrealized		Fair		Amortized		Unrealized		Unrealized		Fair
(in thousands)	Cost		Gains		Losses		Value		Cost		Gains		Losses		Value
U.S. Treasury and   government agency   securities	$	50,000	$	—	$	289	$	49,711	$	50,000	$	—	$	44	$	49,956
Municipal obligations		723,094		8,323		4,245		727,172		648,093		2,147		20,175		630,065
Residential mortgage-backed securities		725,748		4,175		2,690		727,233		862,162		4,329		3,068		863,423
Commercial mortgage-backed securities		317,185		40		3,915		313,310		75,739		—		4,038		71,701
Collateralized mortgage   obligations		1,161,484		572		17,472		1,144,584		864,226		1,420		10,674		854,972
	$	2,977,511	$	13,110	$	28,611	$	2,962,010	$	2,500,220	$	7,896	$	37,999	$	2,470,117

Available for Sale [Member]

Gain (Loss) on Investments [Line Items]

Amortized Cost and Fair Value of Debt Securities by Contractual Maturity

(in thousands)	Amortized Cost		Fair Value
Debt Securities Available for Sale
Due in one year or less	$	7,624	$	7,658
Due after one year through five years		40,743		41,083
Due after five years through ten years		1,226,635		1,208,735
Due after ten years		1,674,055		1,653,393
Total available for sale debt securities	$	2,949,057	$	2,910,869

Securities with Unrealized Losses

The details for securities classified as available for sale with unrealized losses as of December 31, 2017 follow.

Available for sale
	Losses < 12 Months				Losses 12 Months or >				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(in thousands)	Value		Losses		Value		Losses		Value		Losses
U.S. Treasury and government   agency securities	$	45,616	$	42	$	51,157	$	2,221	$	96,773	$	2,263
Municipal obligations		2,768		11		173,530		3,335		176,298		3,346
Residential mortgage-backed securities		461,835		4,195		898,099		16,192		1,359,934		20,387
Commercial mortgage-backed securities		203,618		995		411,046		16,868		614,664		17,863
Collateralized mortgage obligations		128,174		1,076		35,488		483		163,662		1,559
	$	842,011	$	6,319	$	1,569,320	$	39,099	$	2,411,331	$	45,418

The details for securities classified as available for sale with unrealized losses as of December 31, 2016 follow.

Available for sale
	Losses < 12 Months				Losses 12 Months or >				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(in thousands)	Value		Losses		Value		Losses		Value		Losses
U.S. Treasury and government   agency securities	$	54,788	$	1,923	$	—	$	—	$	54,788	$	1,923
Municipal obligations		228,588		11,186		—		—		228,588		11,186
Residential mortgage-backed securities		1,087,644		19,359		3,738		69		1,091,382		19,428
Commercial mortgage-backed securities		402,591		23,159		—		—		402,591		23,159
Collateralized mortgage obligations		83,701		591		—		—		83,701		591
	$	1,857,312	$	56,218	$	3,738	$	69	$	1,861,050	$	56,287

Held to Maturity [Member]

Gain (Loss) on Investments [Line Items]

Amortized Cost and Fair Value of Debt Securities by Contractual Maturity

(in thousands)	Amortized Cost		Fair Value
Debt Securities Held to Maturity
Due in one year or less	$	10,686	$	10,695
Due after one year through five years		122,555		122,339
Due after five years through ten years		1,052,688		1,051,036
Due after ten years		1,791,582		1,777,940
Total held to maturity debt securities	$	2,977,511	$	2,962,010

Securities with Unrealized Losses

The details for securities classified as held to maturity with unrealized losses as of December 31, 2017 follow.

Securities Held to Maturity
	Losses < 12 Months				Losses 12 Months or >				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(in thousands)	Value		Losses		Value		Losses		Value		Losses
U.S. Treasury and government   agency securities	$	—	$	—	$	49,711	$	289	$	49,711	$	289
Municipal obligations		14,603		19		230,960		4,226		245,563		4,245
Residential mortgage-backed securities		8,815		99		230,277		2,591		239,092		2,690
Commercial mortgage-backed securities		174,882		744		72,499		3,171		247,381		3,915
Collateralized mortgage obligations		570,289		5,653		472,536		11,819		1,042,825		17,472
	$	768,589	$	6,515	$	1,055,983	$	22,096	$	1,824,572	$	28,611

The details for securities classified as held to maturity with unrealized losses as of December 31, 2016 follow.

Securities Held to Maturity
	Losses < 12 Months				Losses 12 Months or >				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(in thousands)	Value		Losses		Value		Losses		Value		Losses
U.S. Treasury and government   agency securities	$	49,956	$	44	$	—	$	—	$	49,956	$	44
Municipal obligations		494,470		19,706		11,750		469		506,220		20,175
Residential mortgage-backed securities		278,369		3,068		—		—		278,369		3,068
Commercial mortgage-backed securities		71,701		4,038		—		—		71,701		4,038
Collateralized mortgage obligations		618,739		7,296		115,375		3,378		734,114		10,674
	$	1,513,235	$	34,152	$	127,125	$	3,847	$	1,640,360	$	37,999

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Loans and Allowance for Loan Losses (Tables)

12 Months Ended

Dec. 31, 2017

Accounts, Notes, Loans and Financing Receivable [Line Items]

Loans, Net of Unearned Income

(in thousands)	2017		2016
Commercial non-real estate	$	8,297,937	$	7,613,917
Commercial real estate - owner occupied		2,142,439		1,906,821
Total commercial and industrial		10,440,376		9,520,738
Commercial real estate - income producing		2,384,599		2,013,890
Construction and land development		1,373,421		1,010,879
Residential mortgages		2,690,472		2,146,713
Consumer		2,115,295		2,059,931
Total loans	$	19,004,163	$	16,752,151

Allowance for Loan Losses by Portfolio Class

	Commercial Non-Real Estate		Commercial Real Estate- Owner Occupied		Total Commercial and Industrial		Commercial Real Estate- Income Producing		Construction and Land Development		Residential Mortgages		Consumer		Total
(in thousands)	Year Ended December 31, 2017
Allowance for loan  losses:
Beginning balance	$	147,052	$	11,083	$	158,135	$	13,509	$	6,271	$	25,361	$	26,142	$	229,418
Purchased credit impaired activity
Charge-offs		—		—		—		—		(77)		(297)		(153)		(527)
Recoveries		7		453		460		1		144		24		75		704
Net provision for loan losses		79		(882)		(803)		(213)		(301)		(168)		(412)		(1,897)
(Decrease) increase in FDIC loss share receivable		(47)		—		(47)		—		—		(2,344)		(135)		(2,526)
Non-purchased credit impaired activity:																—
Charge-offs		(51,479)		(558)		(52,037)		(259)		(619)		(2,542)		(31,277)		(86,734)
Recoveries		7,519		395		7,914		987		1,459		1,040		6,605		18,005
Net provision for loan losses		24,787		2,471		27,258		(316)		495		3,770		29,658		60,865
Ending balance	$	127,918	$	12,962	$	140,880	$	13,709	$	7,372	$	24,844	$	30,503	$	217,308
Ending balance:
Allowance:
Individually evaluated for impairment	$	16,129	$	793	$	16,922	$	1,326	$	11	$	189	$	118	$	18,566
Amounts related to purchased credit impaired loans		525		465		990		41		172		12,258		646		14,107
Collectively evaluated for impairment		111,264		11,704		122,968		12,342		7,189		12,397		29,739		184,635
Total allowance	$	127,918	$	12,962	$	140,880	$	13,709	$	7,372	$	24,844	$	30,503	$	217,308
Loans:
Individually evaluated for impairment	$	267,881	$	21,491	$	289,372	$	15,530	$	363	$	10,640	$	1,292	$	317,197
Purchased credit impaired loans		5,941		7,294		13,235		2,742		5,829		119,553		6,178		147,537
Collectively evaluated for impairment		8,024,115		2,113,654		10,137,769		2,366,327		1,367,229		2,560,279		2,107,825		18,539,429
Total loans	$	8,297,937	$	2,142,439	$	10,440,376	$	2,384,599	$	1,373,421	$	2,690,472	$	2,115,295	$	19,004,163

	Commercial Non-Real Estate		Commercial Real Estate- Owner Occupied		Total Commercial and Industrial		Commercial Real Estate- Income Producing		Construction and Land Development		Residential Mortgages		Consumer		Total
(in thousands)	Year Ended December 31, 2016
Allowance for loan  losses:
Beginning balance	$	109,428	$	9,858	$	119,286	$	6,041	$	5,642	$	25,353	$	24,857	$	181,179
Purchased credit impaired activity
Charge-offs		—		(28)		(28)		(1)		(18)		(323)		(8)		(378)
Recoveries		115		269		384		2		361		36		189		972
Net provision for loan losses		(44)		(440)		(484)		(462)		(594)		1,876		(1,740)		(1,404)
Increase (decrease) in FDIC loss share receivable		(31)		—		(31)		—		—		(4,209)		283		(3,957)
Non-purchased credit impaired activity:
Charge-offs		(42,620)		(1,819)		(44,439)		(346)		(964)		(1,040)		(26,099)		(72,888)
Recoveries		3,969		480		4,449		989		1,725		859		5,809		13,831
Net provision for loan losses		76,235		2,763		78,998		7,286		119		2,809		22,851		112,063
Ending balance	$	147,052	$	11,083	$	158,135	$	13,509	$	6,271	$	25,361	$	26,142	$	229,418
Ending balance:
Allowance:
Individually evaluated for impairment	$	28,187	$	246	$	28,433	$	466	$	38	$	91	$	267	$	29,295
Amounts related to purchased credit impaired loans		486		894		1,380		253		406		15,043		1,271		18,353
Collectively evaluated for impairment		118,379		9,943		128,322		12,790		5,827		10,227		24,604		181,770
Total allowance	$	147,052	$	11,083	$	158,135	$	13,509	$	6,271	$	25,361	$	26,142	$	229,418
Loans:
Individually evaluated for impairment	$	271,262	$	6,268	$	277,530	$	15,376	$	1,938	$	4,347	$	2,154	$	301,345
Purchased credit impaired loans		11,368		13,323		24,691		7,928		5,271		141,992		11,033		190,915
Collectively evaluated for impairment		7,331,287		1,887,230		9,218,517		1,990,586		1,003,670		2,000,374		2,046,744		16,259,891
Total loans	$	7,613,917	$	1,906,821	$	9,520,738	$	2,013,890	$	1,010,879	$	2,146,713	$	2,059,931	$	16,752,151

Composition of Nonaccrual Loans by Portfolio Class

	December 31,
(in thousands)	2017		2016
Commercial non-real estate	$	152,863	$	249,037
Commercial real estate - owner occupied		25,989		14,413
Total commercial and industrial		178,852		263,450
Commercial real estate - income producing		14,574		13,954
Construction and land development		3,807		4,550
Residential mortgages		40,480		23,665
Consumer		15,087		12,351
Total loans	$	252,800	$	317,970

Troubled Debt Restructurings Modified by Portfolio Class

	Years Ended December 31,
($ in thousands)	2017					2016					2015
		Outstanding Recorded Investment					Outstanding Recorded Investment					Outstanding Recorded Investment
Troubled Debt Restructurings:	Number of Contracts	Pre- Modification		Post- Modification		Number of Contracts	Pre- Modification		Post- Modification		Number of Contracts	Pre- Modification		Post- Modification
Commercial non-real estate	52	$	162,909	$	162,909	38	$	128,449	$	128,449	1	$	4,420	$	4,420
Commercial real estate - owner occupied	5		5,684		5,684	1		148		148	—		—		—
Total commercial and industrial	57		168,593		168,593	39		128,597		128,597	1		4,420		4,420
Commercial real estate - income producing	5		5,625		5,625	1		2,943		2,943	1		485		482
Construction and land development	—		—		—	—		—		—	—		—		—
Residential mortgages	15		2,812		2,812	7		694		694	4		195		185
Consumer	1		40		40	—		—		—	1		20		20
Total loans	78	$	177,070	$	177,070	47	$	132,234	$	132,234	7	$	5,120	$	5,107

Loans Individually Evaluated for Impairment Disaggregated by Portfolio Class

	December 31, 2017
(in thousands)	Recorded Investment Without an Allowance		Recorded Investment With an Allowance		Unpaid Principal Balance		Related Allowance
Commercial non-real estate	$	116,682	$	151,199	$	285,685	$	16,129
Commercial real estate - owner occupied		16,927		4,564		24,829		793
Total commercial and industrial		133,609		155,763		310,514		16,922
Commercial real estate - income producing		5,101		10,429		15,687		1,326
Construction and land development		100		263		363		11
Residential mortgages		8,245		2,395		13,855		189
Consumer		—		1,292		1,294		118
Total loans	$	147,055	$	170,142	$	341,713	$	18,566

	December 31, 2016
(in thousands)	Recorded Investment Without an Allowance		Recorded Investment With an Allowance		Unpaid Principal Balance		Related Allowance
Commercial non-real estate	$	150,650	$	120,612	$	295,445	$	28,187
Commercial real estate - owner occupied		4,261		2,007		6,646		246
Total commercial and industrial		154,911		122,619		302,091		28,433
Commercial real estate - income producing		10,447		4,929		15,708		466
Construction and land development		1,106		832		2,903		38
Residential mortgages		2,877		1,470		4,865		91
Consumer		—		2,154		2,155		267
Total loans	$	169,341	$	132,004	$	327,722	$	29,295

The tables below present the average balances and interest income for total impaired loans for years ended December 31, 2017 and 2016. Interest income recognized represents interest on accruing loans modified in a TDR.

	Years Ended
	December 31, 2017				December 31, 2016
(in thousands)	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
Commercial non-real estate	$	255,710	$	2,774	$	211,324	$	1,164
Commercial real estate - owner occupied		7,901		62		6,151		44
Total commercial and industrial		263,611		2,836		217,475		1,208
Commercial real estate - income producing		14,565		146		9,347		106
Construction and land development		1,018		2		6,366		1
Residential mortgages		5,784		18		2,109		10
Consumer		1,558		13		716		5
Total loans	$	286,536	$	3,015	$	236,013	$	1,330

Age Analysis of Past Due Loans by Portfolio Class

December 31, 2017	30-59 Days Past Due		60-89 Days Past Due		Greater Than 90 Days past due		Total Past Due		Current		Total Loans		Recorded Investment > 90 Days and Accruing
(in thousands)
Commercial non-real estate	$	62,766	$	10,761	$	92,982	$	166,509	$	8,131,428	$	8,297,937	$	21,989
Commercial real estate - owner occupied		8,493		648		15,517		24,658		2,117,781		2,142,439		2,032
Total commercial and industrial		71,259		11,409		108,499		191,167		10,249,209		10,440,376		24,021
Commercial real estate - income producing		5,315		2,165		6,081		13,561		2,371,038		2,384,599		489
Construction and land development		4,113		1,056		3,412		8,581		1,364,840		1,373,421		477
Residential mortgages		33,621		10,554		30,537		74,712		2,615,760		2,690,472		2,208
Consumer		22,959		7,816		8,553		39,328		2,075,967		2,115,295		571
Total loans	$	137,267	$	33,000	$	157,082	$	327,349	$	18,676,814	$	19,004,163	$	27,766

December 31, 2016	30-59 Days Past Due		60-89 Days Past Due		Greater Than 90 Days Past Due		Total Past Due		Current		Total Loans		Recorded Investment > 90 Days and Accruing
(in thousands)
Commercial non-real estate	$	19,722	$	1,909	$	68,505	$	90,136	$	7,523,781	$	7,613,917	$	384
Commercial real estate - owner occupied		3,008		581		6,310		9,899		1,896,922		1,906,821		52
Total commercial and industrial		22,730		2,490		74,815		100,035		9,420,703		9,520,738		436
Commercial real estate - income producing		838		50		5,026		5,914		2,007,976		2,013,890		216
Construction and land development		694		171		5,300		6,165		1,004,714		1,010,879		1,563
Residential mortgages		24,599		8,816		14,369		47,784		2,098,929		2,146,713		1
Consumer		18,621		7,441		9,147		35,209		2,024,722		2,059,931		823
Total loans	$	67,482	$	18,968	$	108,657	$	195,107	$	16,557,044	$	16,752,151	$	3,039

Changes in Carrying Amount of Purchased Credit Impaired Loans and Related Accretable Yield

	2017				2016
	Carrying				Carrying
	Amount		Accretable		Amount		Accretable
(in thousands)	of Loans		Yield		of Loans		Yield
Balance at beginning of period	$	190,915	$	113,686	$	225,838	$	129,488
Additions		15,000		—		—		—
Payments received, net		(69,591)		(7,412)		(55,194)		(11,024)
Accretion		17,079		(17,079)		20,271		(20,271)
Increase (decrease) in expected cash flows based on actual
cash flow and changes in cash flow assumptions		—		(30,379)		—		5,358
Net transfers from nonaccretable difference
to accretable yield		—		3,701		—		10,135
Balance at end of period	$	153,403	$	62,517	$	190,915	$	113,686

Activity in Loss Share Receivable

(in thousands)	2017		2016
Balance, January 1	$	16,219	$	29,868
Amortization		(2,427)		(5,918)
Charge-offs, write-downs and other (recoveries)		(2,442)		(8,264)
External expenses qualifying under loss share agreement		79		1,356
Adjustments due to changes in cash flow projections		(2,526)		(3,957)
Net payments to FDIC		934		3,134
Loss on termination of loss share agreements		(6,603)		—
Cash received from FDIC for final settlement of agreements		(3,234)		—
Balance, December 31	$	—	$	16,219

Total Commercial [Member]

Accounts, Notes, Loans and Financing Receivable [Line Items]

Credit Quality Indicators by Segments and Portfolio Class

	December 31, 2017
(in thousands)	Commercial Non-Real Estate		Commercial Real Estate - Owner Occupied		Total Commercial and Industrial		Commercial Real Estate - Income Producing		Construction and Land Development		Total Commercial
Grade:
Pass	$	7,190,604	$	1,896,366	$	9,086,970	$	2,223,245	$	1,291,638	$	12,601,853
Pass-Watch		293,069		82,913		375,982		83,444		60,804		520,230
Special Mention		80,649		27,456		108,105		13,244		4,788		126,137
Substandard		733,558		135,704		869,262		64,658		16,191		950,111
Doubtful		57		—		57		8		—		65
Total	$	8,297,937	$	2,142,439	$	10,440,376	$	2,384,599	$	1,373,421	$	14,198,396

	December 31, 2016
(in thousands)	Commercial Non-Real Estate		Commercial Real Estate - Owner Occupied		Total Commercial & Industrial		Commercial Real Estate - Income Producing		Construction and Land Development		Total Commercial
Grade:
Pass	$	6,364,348	$	1,719,114	$	8,083,462	$	1,873,644	$	968,505	$	10,925,611
Pass-Watch		203,311		47,676		250,987		78,309		22,592		351,888
Special Mention		181,763		40,299		222,062		22,492		4,142		248,696
Substandard		846,793		99,732		946,525		39,434		15,640		1,001,599
Doubtful		17,702		—		17,702		11		—		17,713
Total	$	7,613,917	$	1,906,821	$	9,520,738	$	2,013,890	$	1,010,879	$	12,545,507

Residential Mortgage and Consumer [Member]

Accounts, Notes, Loans and Financing Receivable [Line Items]

Credit Quality Indicators by Segments and Portfolio Class

	December 31, 2017						December 31, 2016
(in thousands)	Residential Mortgage		Consumer		Total		Residential Mortgage		Consumer		Total
Performing	$	2,647,784	$	2,099,637	$	4,747,421	$	2,123,048	$	2,046,757	$	4,169,805
Nonperforming		42,688		15,658		58,346		23,665		13,174		36,839
Total	$	2,690,472	$	2,115,295	$	4,805,767	$	2,146,713	$	2,059,931	$	4,206,644

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Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2017

Property and Equipment [Abstract]

Property and Equipment

	December 31,
(in thousands)	2017		2016
Land and land improvements	$	71,061	$	79,412
Buildings and leasehold improvements		305,277		335,566
Furniture, fixtures and equipment		92,360		96,565
Software		70,003		70,370
Assets under development		9,960		10,826
		548,661		592,739
Accumulated depreciation and amortization		(214,998)		(231,127)
Property and equipment, net	$	333,663	$	361,612

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Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Other Intangible Assets [Abstract]

Carrying Value of Intangible Assets Subject to Amortization

	December 31, 2017
	Purchase		Accumulated		Carrying
(in thousands)	Value		Amortization		Value
Core deposit intangibles	$	215,955	$	132,878	$	83,077
Credit card and trust relationships		22,400		16,882		5,518
Merchant processing relationships		10,000		7,955		2,045
	$	248,355	$	157,715	$	90,640

	December 31, 2016
	Purchase		Accumulated		Carrying
(in thousands)	Value		Amortization		Value
Core deposit intangibles	$	190,655	$	113,436	$	77,219
Credit card and trust relationships		22,400		14,907		7,493
Merchant processing relationships		10,000		6,955		3,045
	$	223,055	$	135,298	$	87,757

Aggregate Amortization Expense

	Years Ended December 31,
(in thousands)	2017		2016		2015
Aggregate amortization expense for:
Core deposit intangibles	$	19,442	$	16,411	$	18,031
Credit card and trust relationships		1,975		2,172		2,369
Trade name		—		—		2,388
Merchant processing relationships		1,000		1,198		1,396
	$	22,417	$	19,781	$	24,184

Estimated Amortization Expense of Other Intangible Assets

(in thousands)
2018	$	21,368
2019		18,194
2020		13,766
2021		11,288
2022		8,975
Thereafter		17,049
	$	90,640

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Time Deposits (Tables)

12 Months Ended

Dec. 31, 2017

Time Deposits [Abstract]

Maturity of Time Deposits

(in thousands)
2018	$	1,490,062
2019		1,342,830
2020		111,201
2021		19,066
2022		20,150
Thereafter		4,199
Total time deposits	$	2,987,508

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Short-Term Borrowings (Tables)

12 Months Ended

Dec. 31, 2017

Short-Term Borrowings [Abstract]

Short-Term Borrowings

	December 31,
(in thousands)	2017		2016
Federal funds purchased:
Amount outstanding at period end	$	140,754	$	2,275
Average amount outstanding during period		27,063		14,052
Maximum amount at any month end during period		140,754		59,475
Weighted-average interest at period end		1.00%		0.38%
Weighted-average interest rate during period		1.37%		0.50%
Securities sold under agreements to repurchase:
Amount outstanding at period end	$	430,569	$	358,131
Average amount outstanding during period		501,719		454,571
Maximum amount at any month end during period		587,569		579,099
Weighted-average interest at period end		0.17%		0.04%
Weighted-average interest rate during period		0.12%		0.03%
FHLB borrowings:
Amount outstanding at period end	$	1,132,567	$	865,000
Average amount outstanding during period		1,478,114		943,570
Maximum amount at any month end during period		2,061,652		1,175,000
Weighted-average interest at period end		1.35%		0.54%
Weighted-average interest rate during period		1.00%		0.41%

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Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2017

Long-Term Debt [Abstract]

Long-Term Debt

	December 31,
(in thousands)	2017		2016
Subordinated notes payable, maturing June 2045	$	150,000	$	150,000
Subordinated notes payable, maturing April 2017		—		95,511
Term note payable, maturing December 2018		89,200		107,100
Other long-term debt		71,378		89,196
Less: unamortized debt issuance costs		(5,065)		(5,527)
Total long-term debt	$	305,513	$	436,280

Long-Term Debt with Related Unamortized Debt Issuance Cost

				Unamortized
				Debt
				Issuance
(in thousands)		Principal		Costs
Subordinated notes payable, maturing June 2045	$	150,000	$	4,780
Term note payable, maturing December 2018		89,200		285
Other long-term debt		71,378		—
Total	$	310,578	$	5,065

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Derivatives (Tables)

12 Months Ended

Dec. 31, 2017

Derivatives [Abstract]

Fair Values of Derivative Financial Instruments

						Fair Values (1)
		Notional Amounts				Assets				Liabilities
	Type of	December 31,				December 31,				December 31,
(in thousands)	Hedge	2017		2016		2017		2016		2017		2016
Derivatives designated
as hedging instruments:
Interest rate swaps	Cash Flow	$	875,000	$	1,100,000	$	—	$	—	$	14,020	$	7,787
Interest rate swaps	Fair Value		483,110		—		—		—		2,475		—
		$	1,358,110	$	1,100,000	$	—	$	—	$	16,495	$	7,787
Derivatives not designated
as hedging instruments:
Interest rate swaps (2)	N/A	$	1,144,789	$	979,391	$	15,408	$	18,405	$	15,857	$	18,362
Risk participation agreements	N/A		119,951		84,732		23		50		109		105
Forward commitments to sell
residential mortgage loans	N/A		80,462		75,676		1,000		900		290		221
Interest rate-lock commitments
on residential mortgage loans	N/A		53,724		46,840		186		189		782		228
Foreign exchange forward
contracts	N/A		42,260		56,152		2,453		771		2,419		729
		$	1,441,186	$	1,242,791	$	19,070	$	20,315	$	19,457	$	19,645
Total derivatives		$	2,799,296	$	2,342,791	$	19,070	$	20,315	$	35,952	$	27,432
Less: netting adjustments (3)							(4,913)		—		(21,563)		—
Total derivate assets/liabilities							14,157		20,315		14,389		27,432

(1) Derivative assets and liabilities are reported with other assets or other liabilities, respectively, in the consolidated balance sheets.

(2) The notional amount represents both the customer accommodation agreements and offsetting agreements with unrelated financial institutions.

(3) Represents balance sheet netting of derivative assets and liabilities for variation margin collateral held or placed with the same central clearing counterparty. See offsetting assets and liabilities for further information.

Offsetting Derivative Assets and Liabilities Subject to Master Netting Arrangements

As of December 31, 2017
			Gross Amounts Offset in the		Net Amounts  Presented in the		Gross Amounts Not Offset in the Statement of Financial Position
(in thousands)	Gross Amounts Recognized		Statement of Financial Position		Statement of Financial Position		Financial Instruments		Cash Collateral		Net Amount
Derivative Assets	$	7,155	$	(5,007)	$	2,148	$	2,148	$	—	$	—
Derivative Liabilities	$	24,015	$	(20,077)	$	3,938	$	2,148	$	4,099	$	(2,309)

As of December 31, 2016
			Gross Amounts Offset in the		Net Amounts  Presented in the		Gross Amounts Not Offset in the Statement of Financial Position
(in thousands)	Gross Amounts Recognized		Statement of Financial Position		Statement of Financial Position		Financial Instruments		Cash Collateral		Net Amount
Derivative Assets	$	4,788	$	—	$	4,788	$	4,788	$	—	$	—
Derivative Liabilities	$	26,846	$	—	$	26,846	$	4,788	$	19,095	$	2,963

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Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2017

Stockholders' Equity [Abstract]

Components of Accumulated Other Comprehensive Income (Loss)

(in thousands)	Available for Sale Securities		HTM Securities Transferred from AFS		Employee Benefit Plans		Cash Flow Hedges		Total
Balance, December 31, 2014	$	18,001	$	(19,074)	$	(48,626)	$	(375)	$	(50,074)
Net change in unrealized gain (loss)		(21,581)		—		—		311		(21,270)
Reclassification of net loss realized
and included in earnings		(165)		—		3,175		—		3,010
Valuation adjustment for employee benefit plans		—		—		(33,971)		—		(33,971)
Amortization of unrealized net loss on securities
transferred to held to maturity		—		3,530		—		—		3,530
Income tax expense (benefit)		(8,013)		1,251		(11,532)		114		(18,180)
Balance, December 31, 2015	$	4,268	$	(16,795)	$	(67,890)	$	(178)	$	(80,595)
Net change in unrealized (loss) gain		(49,839)		—		—		(7,507)		(57,346)
Reclassification of net (gain) loss realized
and included in earnings		(1,912)		—		5,928		—		4,016
Valuation adjustment for employee benefit plans		—		—		(12,748)		—		(12,748)
Amortization of unrealized net loss on securities
transferred to held to maturity		—		3,830		—		—		3,830
Income tax expense (benefit)		(18,804)		1,427		(2,209)		(2,725)		(22,311)
Balance, December 31, 2016	$	(28,679)	$	(14,392)	$	(72,501)	$	(4,960)	$	(120,532)
Net change in unrealized loss		6,903		—		—		(7,328)		(425)
Reclassification of net (gain) loss realized
and included in earnings		—		—		5,201		600		5,801
Valuation adjustment for pension plan amendment		—		—		17,315		—		17,315
Other valuation adjustment for employee benefit plans		—		—		(10,929)		—		(10,929)
Amortization of unrealized net loss on securities
transferred to held to maturity		—		3,786		—		—		3,786
Income tax expense (benefit)		1,067		1,393		4,228		(2,600)		4,088
Reclassification of certain tax effects (a)		6,669		2,586		13,936		2,139		25,330
Balance, December 31, 2017	$	(29,512)	$	(14,585)	$	(79,078)	$	(11,227)	$	(134,402)

(a) Represents the reclassification of stranded income tax effects to Retained Earnings upon adoption of ASU 2018-02. The adjustment is discussed in more detail later in this footnote. 

Line Items in Consolidated Income Statements Affected by Amounts Reclassified from Accumulated Other Comprehensive Income

Amount reclassified from AOCI (a)	Year Ended December 31,				Increase (decrease) in affected line
(in thousands)	2017		2016		item in the income statement
Gain on sale of AFS securities	$	—	$	1,912	Securities gains
Tax effect		—		(694)	Income taxes
Net of tax		—		1,218	Net income
Amortization of unrealized net loss on
securities transferred to HTM	$	(3,786)	$	(3,830)	Interest income
Tax effect		1,393		1,427	Income taxes
Net of tax		(2,393)		(2,403)	Net income
Amortization of defined benefit pension and
post-retirement items (b)	$	(5,201)	$	(5,928)	Employee benefits expense
Tax effect		1,898		1,920	Income taxes
Net of tax		(3,303)		(4,008)	Net income
Amortization of loss on terminated cash flow hedges		(600)		—	Interest expense
Tax effect		232		—	Income taxes
Net of tax		(368)		—	Net income
Total reclassifications, net of tax	$	(6,064)	$	(5,193)	Net income

(a) Amounts in parenthesis indicate reduction in net income.

(b) These AOCI components are included in the computation of net periodic pension and post-retirement cost that is reported with employee benefits expense (see footnote 16 for additional information).

Compliance with Regulatory Capital Requirements

	Actual			Required for Minimum Capital Adequacy			Required To Be Well Capitalized
($ in thousands)	Amount		Ratio %	Amount		Ratio %	Amount		Ratio %
At December 31, 2017
Tier 1 leverage capital
Company	$	2,214,723	8.43	$	1,051,025	4.00	$	1,313,781	5.00
Whitney Bank		2,282,485	8.72		1,046,644	4.00		1,308,305	5.00
Common equity tier 1 (to risk weighted assets)
Company	$	2,214,723	10.21	$	976,303	4.50	$	1,410,216	6.50
Whitney Bank		2,282,485	10.54		974,362	4.50		1,407,412	6.50
Tier 1 capital (to risk weighted assets)
Company	$	2,214,723	10.21	$	1,301,738	6.00	$	1,735,650	8.00
Whitney Bank		2,282,485	10.54		1,299,150	6.00		1,732,200	8.00
Total capital (to risk weighted assets)
Company	$	2,582,031	11.90	$	1,735,650	8.00	$	2,169,563	10.00
Whitney Bank		2,499,793	11.55		1,732,200	8.00		2,165,250	10.00
At December 31, 2016
Tier 1 leverage capital
Company	$	2,184,812	9.56	$	914,520	4.00	$	1,143,150	5.00
Whitney Bank		2,011,719	8.83		911,091	4.00		1,138,864	5.00
Common equity tier 1 (to risk weighted assets)
Company	$	2,184,812	11.26	$	873,192	4.50	$	1,261,277	6.50
Whitney Bank		2,011,719	10.39		871,361	4.50		1,258,633	6.50
Tier 1 capital (to risk weighted assets)
Company	$	2,184,812	11.26	$	1,164,256	6.00	$	1,552,341	8.00
Whitney Bank		2,011,719	10.39		1,161,815	6.00		1,549,086	8.00
Total capital (to risk weighted assets)
Company	$	2,564,230	13.21	$	1,552,341	8.00	$	1,940,427	10.00
Whitney Bank		2,241,137	11.57		1,549,086	8.00		1,936,358	10.00

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Other Noninterest Income and Other Noninterest Expense (Tables)

12 Months Ended

Dec. 31, 2017

Other Noninterest Income and Other Noninterest Expense [Abstract]

Components of Other Noninterest Income and Other Noninterest Expense

	Years Ended December 31,
(in thousands)	2017		2016		2015
Other noninterest income:
Income from bank-owned life insurance	$	11,473	$	13,596	$	10,881
Credit-related fees		11,140		9,926		11,057
Income from derivatives		5,870		5,196		2,745
Gain on sales of assets		7,478		7,814		186
Other miscellaneous income		13,814		10,950		11,092
Total other noninterest income	$	49,775	$	47,482	$	35,961
Other noninterest expense:
Advertising	$	15,031	$	10,938	$	11,225
Ad valorem and franchise taxes		12,797		8,741		10,498
Printing and supplies		5,139		4,422		4,851
Travel		5,043		4,268		5,331
Entertainment and contributions		8,260		7,122		6,723
Tax credit investment amortization		4,850		4,263		8,513
Loss share agreement termination		6,603		—		—
Other miscellaneous expense		24,913		32,810		25,062
Total other noninterest expense	$	82,636	$	72,564	$	72,203

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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Income Taxes [Abstract]

Income Tax Expense

	Years Ended December 31,
(in thousands)	2017		2016		2015
Included in net income
Current federal	$	38,859	$	43,777	$	17,378
Current state		4,112		1,689		4,241
Total current provision		42,971		45,466		21,619
Deferred federal		48,653		(6,127)		15,457
Deferred state		1,178		(1,712)		1,228
Total deferred provision		49,831		(7,839)		16,685
Total included in net income	$	92,802	$	37,627	$	38,304

Deferred Tax Assets and Liabilities

	December 31,
(in thousands)	2017		2016
Deferred tax assets:
Allowance for loan losses	$	51,517	$	89,120
Employee compensation and benefits		9,783		28,401
Loan purchase accounting adjustments		6,441		12,047
Tax credit carryforward		21,274		29,085
Securities		12,250		23,169
State net operating loss		1,979		1,690
Other		15,407		14,583
Gross deferred tax assets		118,651		198,095
State valuation allowance		(1,979)		(1,690)
Subtotal valuation allowance		(1,979)		(1,690)
Net deferred tax assets		116,672		196,405
Deferred tax liabilities:
Fixed assets & intangibles		(56,526)		(74,518)
FDIC indemnification asset		—		(6,293)
Other		(6,167)		(11,159)
Gross deferred tax liabilities		(62,693)		(91,970)
Net deferred tax asset	$	53,979	$	104,435

Effective Income Tax Rate Reconciliation

	Years Ended December 31,
	2017				2016				2015
($ in thousands)	Amount		%		Amount		%		Amount		%
Taxes computed at statutory rate	$	107,952	35.0	%	$	65,423	35.0	%	$	59,418	35.0	%
Increases (decreases) in taxes resulting from:
State income taxes, net of federal income
tax benefit		4,737	1.5			1,917	1.0			2,595	1.5
Tax-exempt interest		(18,870)	(6.1)			(14,497)	(7.8)			(7,849)	(4.6)
Life insurance contracts		(5,360)	(1.7)			(4,833)	(2.6)			(3,798)	(2.2)
Tax credits		(9,374)	(3.0)			(10,518)	(5.6)			(12,495)	(7.4)
Employee share-based compensation		(5,824)	(1.9)			—	—			—	—
Impact of deferred tax asset re-measurement		19,520	6.3			—	—			—	—
Other, net		21	—			135	0.1			433	0.3
Income tax expense	$	92,802	30.1	%	$	37,627	20.1	%	$	38,304	22.6	%

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Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Computation of Earnings Per Common Share

	Years Ended December 31,
($ in thousands, except per share data)	2017		2016		2015
Numerator:
Net income to common shareholders	$	215,632	$	149,296	$	131,461
Net income allocated to participating securities -- basic and diluted		4,670		3,598		2,895
Net income allocated to common shareholders - basic and diluted	$	210,962	$	145,698	$	128,566
Denominator:
Weighted-average common shares - basic		84,695		77,850		78,197
Dilutive potential common shares		268		99		110
Weighted average common shares - diluted		84,963		77,949		78,307
Earnings per common share:
Basic	$	2.49	$	1.87	$	1.64
Diluted	$	2.48	$	1.87	$	1.64

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Retirement Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2017

Retirement Benefit Plans [Abstract]

Changes in Benefit Obligations and Plan Assets

	2017		2016		2017		2016
(in thousands)	Pension Benefits				Other Post- Retirement Benefits
Change in benefit obligation
Benefit obligation:
at beginning of year	$	479,281	$	462,819	$	22,481	$	22,281
Service cost		15,381		14,098		129		170
Interest cost		16,514		16,907		668		773
Plan participants' contributions		—		—		636		1,269
Plan amendments		(17,315)		—		—		(1,224)
Net actuarial loss		39,419		16,944		993		1,844
Benefits paid		(19,436)		(31,487)		(1,871)		(2,632)
Benefit obligation, end of year		513,844		479,281		23,036		22,481
Change in plan assets
Fair value of plan assets:
at beginning of year		515,555		491,550		—		—
Actual return on plan assets		68,307		40,375		—		—
Employer contributions		1,132		16,123		1,235		1,363
Plan participants' contributions		—		—		636		1,269
Benefit payments		(19,436)		(31,487)		(1,871)		(2,632)
Expenses		(1,193)		(1,006)		—		—
Fair value of plan assets, end of year		564,365		515,555		—		—
Funded status at end of year - net asset (liability)	$	50,521	$	36,274	$	(23,036)	$	(22,481)
Amounts recognized in accumulated other   comprehensive loss
Unrecognized loss:
at beginning of year	$	115,910	$	109,565	$	(2,078)	$	(2,553)
Net actuarial loss (gain)		(12,932)		6,345		1,346		475
Unrecognized loss at end of year	$	102,978	$	115,910	$	(732)	$	(2,078)
Projected benefit obligation	$	513,844	$	479,281
Accumulated benefit obligation		489,075		443,261
Fair value of plan assets		564,365		515,555

Components of Net Periodic Benefits Cost

	Years Ended December 31,
	2017		2016		2015		2017		2016		2015
($ in thousands)	Pension Benefits						Other Post-Retirement Benefits
Net periodic benefit cost
Service cost	$	15,381	$	14,098	$	13,511	$	129	$	170	$	117
Interest cost		16,514		16,907		18,635		668		773		891
Expected return on plan assets		(37,632)		(34,554)		(32,833)		—		—		—
Amortization of net loss/ prior service cost		5,554		5,783		3,169		(353)		145		6
Net periodic benefit cost		(183)		2,234		2,482		444		1,088		1,014
Other changes in plan assets and benefit obligations recognized in other comprehensive income, before taxes
Net (loss) gain recognized during the year		(5,554)		(5,783)		(3,169)		353		(145)		(6)
Net actuarial loss (gain)		(7,378)		12,128		39,876		993		620		(5,905)
Total recognized in other comprehensive income		(12,932)		6,345		36,707		1,346		475		(5,911)
Total recognized in net periodic benefit cost and other comprehensive income	$	(13,115)	$	8,579	$	39,189	$	1,790	$	1,563	$	(4,897)
Discount rate for benefit obligations		3.57%		4.10%		4.40%		3.52%		3.95%		4.32%
Discount rate for net periodic benefit cost		4.10%		4.40%		4.11%		3.95%		4.32%		4.02%
Expected long-term return on plan assets		7.25%		7.25%		7.50%		n/a		n/a		n/a
Rate of compensation increase		scaled *		scaled *		scaled *		n/a		n/a		n/a

*     Graded scale, declining from 7.00% at age 20 to 2.00% at age 60

Expected Plan Benefit Payments

(in thousands)	Pension		Post-Retirement		Total
2018	$	21,143	$	1,346	$	22,489
2019		21,869		1,364		23,233
2020		22,882		1,350		24,232
2021		23,881		1,404		25,285
2022		24,824		1,320		26,144
2023-2027		140,214		6,394		146,608
	$	254,813	$	13,178	$	267,991

Assumed Health Care Cost Trend Rates

	1% Decrease		Assumed		1% Increase
(in thousands)	in Rates		Rates		in Rates
Aggregated service and interest cost	$	722	$	797	$	889
Postretirement benefit obligation		20,964		23,036		25,564

Fair Values of Pension Plan Assets

	December 31, 2017
Fair Value Measurements by Asset Category / Fund		Level 1		Level 2		Level 3	Total
(in thousands)
Cash and equivalents	$	5,496	$	—	$	—	$	5,496
Total cash and cash equivalents		5,496		—		—		5,496
Fixed income securities		—		113,169		162		113,331
Mutual fund-fixed income		31,839		—		—		31,839
Total fixed income		31,839		113,169		162		145,170
Domestic and foreign stock		102,416		6		—		102,422
Mutual funds-equity		168,299		—		—		168,299
Total equity		270,715		6		—		270,721
Real assets fund		—		—		—		—
Total assets at fair value		308,050		113,175		162		421,387
Common trust funds (fixed income)		—		—		—		114,068
Common trust fund (real assets)		—		—		—		28,910
Total	$	308,050	$	113,175	$	162	$	564,365

	December 31, 2016
Fair Value Measurements by Asset Category / Fund		Level 1		Level 2		Level 3		Total
(in thousands)
Cash and equivalents	$	15,568	$	—	$	—	$	15,568
Total cash and cash equivalents		15,568		—		—		15,568
Fixed income securities		—		136,085		—		136,085
Mutual fund-fixed income		48,805		—		—		48,805
Total fixed income		48,805		136,085		—		184,890
Domestic and foreign stock		104,455		6		—		104,461
Mutual funds-equity		157,630		—		—		157,630
Total equity		262,085		6		—		262,091
Real assets fund		27,690		—		—		27,690
Total assets at fair value		354,148		136,091		—		490,239
Common trust fund (fixed income)		—		—		—		25,316
Total	$	354,148	$	136,091	$	—	$	515,555

Percentage and Target Allocations

	Plan Assets				Target Allocation
	at December 31,				at December 31,
Asset category	2017		2016		2017	2016
Cash and equivalents	1	%	3	%	0 - 5%	0 - 5%
Fixed income securities	46		41		35 - 63%	25 - 65%
Equity securities	48		51		35 - 51%	30 - 60%
Real assets	5		5		0 - 12%	0 - 10%
	100	%	100	%

XML

Share-Based Payment Arrangements (Tables)

12 Months Ended

Dec. 31, 2017

Share-Based Payment Arrangements [Abstract]

Summary of Option Activity

Options	Number of Shares	Weighted- Average Exercise Price ($)		Weighted- Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value ($000)
Outstanding at January 1, 2017	456,258	$	35.91	3.5	$	3,734
Exercised	(350,744)		34.65			4,304
Cancelled/Forfeited	(538)		32.09			6
Expired	(16,675)		68.18			—
Outstanding at December 31, 2017	88,301	$	34.84	2.8	$	1,294
Exercisable at December 31, 2017	88,301	$	34.84	2.8	$	1,294

Summary of Nonvested Restricted and Performance Shares

	Number of Shares	Weighted- Average Grant-Date Fair Value ($)
Nonvested at January 1, 2017	2,152,119	$	32.12
Granted	525,258		45.71
Vested	(906,944)		30.66
Cancelled/Forfeited	(61,491)		32.57
Nonvested at December 31, 2017	1,708,942	$	37.05

XML

Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies [Abstract]

Off-Balance Sheet Financial Instruments

	December 31,
(in thousands)	2017		2016
Commitments to extend credit	$	6,689,033	$	5,878,290
Letters of credit		348,377		338,014

Future Minimum Lease Payments for Non-Cancelable Operating Leases

(in thousands)	Operating Leases
2018	$	16,307
2019		15,466
2020		13,815
2021		12,317
2022		12,099
Thereafter		81,826
Total minimum lease payments	$	151,830

XML

Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2017

Fair Value of Financial Instruments [Abstract]

Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

	December 31, 2017
(in thousands)	Level 1		Level 2		Level 3		Total
Assets
Available for sale debt securities:
U.S. Treasury and government agency securities	$	—	$	97,272	$	—	$	97,272
Municipal obligations		—		243,786		—		243,786
Corporate debt securities		—		3,500		—		3,500
Residential mortgage-backed securities		—		1,715,213		—		1,715,213
Commercial mortgage-backed securities		—		687,135		—		687,135
Collateralized mortgage obligations		—		163,963		—		163,963
Total available for sale securities		—		2,910,869		—		2,910,869
Derivative assets (1)		—		14,157		—		14,157
Total recurring fair value measurements - assets	$	—	$	2,925,026	$	—	$	2,925,026
Liabilities
Derivative liabilities (1)	$	—	$	14,389	$	—	$	14,389
Total recurring fair value measurements - liabilities	$	—	$	14,389	$	—	$	14,389

(1) For further disaggregation of derivative assets and liabilities, see Note 10 – Derivatives.

	December 31, 2016
(in thousands)	Level 1		Level 2		Level 3		Total
Assets
Available for sale debt securities:
U.S. Treasury and government agency securities	$	—	$	54,828	$	—	$	54,828
Municipal obligations		—		242,155		—		242,155
Corporate debt securities		—		3,500		—		3,500
Residential mortgage-backed securities		—		1,611,355		—		1,611,355
Commercial mortgage-backed securities		—		402,591		—		402,591
Collateralized mortgage obligations		—		202,479		—		202,479
Total available for sale securities		—		2,516,908		—		2,516,908
Derivative assets (1)		—		20,315		—		20,315
Total recurring fair value measurements - assets	$	—		2,537,223	$	—		2,537,223
Liabilities
Derivative liabilities (1)	$	—	$	27,432	$	—	$	27,432
Total recurring fair value measurements - liabilities	$	—	$	27,432	$	—	$	27,432

(1) For further disaggregation of derivative assets and liabilities, see Note 10 – Derivatives.

Financial Assets Measured at Fair Value on Nonrecurring Basis

	December 31, 2017
(in thousands)		Level 1		Level 2		Level 3		Total
Collateral dependent impaired loans	$	—	$	184,205	$	—	$	184,205
Other real estate owned		—		—		6,928		6,928
Total nonrecurring fair value measurements	$	—	$	184,205	$	6,928	$	191,133

	December 31, 2016
(in thousands)		Level 1		Level 2		Level 3		Total
Collateral dependent impaired loans	$	—	$	169,888	$	—	$	169,888
Other real estate owned		—		—		13,968		13,968
Total nonrecurring fair value measurements	$	—	$	169,888	$	13,968	$	183,856

Estimated Fair Values of Financial Instruments

	December 31, 2017
							Total		Carrying
(in thousands)	Level 1		Level 2		Level 3		Fair Value		Amount
Financial assets:
Cash, interest-bearing bank
deposits, and federal funds sold	$	479,332	$	—	$	—	$	479,332	$	479,332
Available for sale securities		—		2,910,869		—		2,910,869		2,910,869
Held to maturity securities		—		2,962,010		—		2,962,010		2,977,511
Loans, net		—		184,205		18,403,303		18,587,508		18,786,855
Loans held for sale		—		39,865		—		39,865		39,865
Derivative financial instruments		—		14,157		—		14,157		14,157
Financial liabilities:
Deposits	$	—	$	—	$	22,238,847	$	22,238,847	$	22,253,202
Federal funds purchased		140,754		—		—		140,754		140,754
Securities sold under agreements
to repurchase		430,569		—		—		430,569		430,569
Short-term FHLB Borrowings		1,132,567		—		—		1,132,567		1,132,567
Long-term debt		—		303,631		—		303,631		305,513
Derivative financial instruments		—		14,389		—		14,389		14,389

	December 31, 2016
							Total		Carrying
(in thousands)	Level 1		Level 2		Level 3		Fair Value		Amount
Financial assets:
Cash, interest-bearing bank
deposits, and federal funds sold	$	450,866	$	—	$	—	$	450,866	$	450,866
Available for sale securities		—		2,516,908		—		2,516,908		2,516,908
Held to maturity securities		—		2,470,117		—		2,470,117		2,500,220
Loans, net		—		169,888		16,326,961		16,496,849		16,522,733
Loans held for sale		—		34,064		—		34,064		34,064
Derivative financial instruments		—		20,315		—		20,315		20,315
Financial liabilities:
Deposits	$	—	$	—	$	19,430,939	$	19,430,939	$	19,424,266
Federal funds purchased		2,275		—		—		2,275		2,275
Securities sold under agreements
to repurchase		358,131		—		—		358,131		358,131
FHLB Borrowings		865,000		—		—		865,000		865,000
Long-term debt		—		435,747		—		435,747		436,280
Derivative financial instruments		—		27,432		—		27,432		27,432

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Condensed Parent Company Information (Tables)

12 Months Ended

Dec. 31, 2017

Condensed Parent Company Information [Abstract]

Condensed Balance Sheets

	December 31,
(in thousands)	2017		2016
Assets:
Cash	$	71,328	$	316,457
Securities available for sale		58,521		69,210
Investment in bank subsidiaries		2,953,032		2,547,224
Investment in non-bank subsidiaries		22,670		11,204
Due from subsidiaries and other assets		14,010		27,941
Total assets	$	3,119,561	$	2,972,036
Liabilities and Stockholders' Equity:
Long term debt	$	234,135	$	251,573
Other liabilities		477		695
Stockholders' equity		2,884,949		2,719,768
Total liabilities and stockholders’ equity	$	3,119,561	$	2,972,036

Condensed Statements of Income

	Years Ended December 31,
(in thousands)	2017		2016		2015
Operating Income
From subsidiaries
Cash dividends received from bank subsidiaries	$	90,000	$	120,000	$	31,000
Noncash dividend from bank subsidiaries		11,708		—		—
Equity in earnings of subsidiaries greater than
dividends received		124,531		39,293		111,424
Total operating income		226,239		159,293		142,424
Other expense, net		(16,931)		(16,614)		(17,297)
Income tax benefit		(6,324)		(6,617)		(6,334)
Net income	$	215,632	$	149,296	$	131,461
Other comprehensive income (loss), net of tax		11,460		(39,937)		(30,521)
Comprehensive income	$	227,092	$	109,359	$	100,940

Condensed Statements of Cash Flows

	Years Ended December 31,
(in thousands)	2017		2016		2015
Cash flows from operating activities - principally
dividends received from subsidiaries	$	111,591	$	122,528	$	33,912
Net cash provided by operating activities		111,591		122,528		33,912
Cash flows from investing activities
Contribution of capital to subsidiary		(270,000)		(21,000)		(90)
Proceeds from principal paydowns of securities available for sale		11,015		13,827		12,863
Other, net		—		—		1,629
Net cash provided by (used in) investing activities		(258,985)		(7,173)		14,402
Cash flows from financing activities:
Proceeds from issuance of long term debt		—		—		269,004
Repayment of long term debt		(17,900)		(17,900)		(149,600)
Dividends paid to stockholders		(83,266)		(77,012)		(77,474)
Repurchase of common stock		—		—		(95,613)
Proceeds from issuance of common stock		15,312		262,961		347
Payroll tax remitted on net share settlement of equity awards		(11,881)		(3,178)		(3,385)
Other, net		—		(133)		—
Net cash provided by (used in) financing activities		(97,735)		164,738		(56,721)
Net increase (decrease) in cash		(245,129)		280,093		(8,407)
Cash, beginning of year		316,457		36,364		44,771
Cash, end of year	$	71,328	$	316,457	$	36,364

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Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]
Maximum refinement period of fair values after closing date of acquisition	1 year
Loan minimum balance included in specific reseve analysis	$ 1,000
Tax credit carry forward period	20 years
Income tax benefit	$ 92,802	$ 37,627	$ 38,304
Reclassification of certain tax effects from accumulated other comprehensive loss
Accounting Standards Update 2016-09 [Member]
Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]
Income tax benefit	$ (5,800)
Federal NMTC Investment [Member]
Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]
Tax credit earning period	7 years
State NMTC Investment [Member] | Minimum [Member]
Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]
Tax credit earning period	3 years
State NMTC Investment [Member] | Maximum [Member]
Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]
Tax credit earning period	5 years
Low Income Housing Credit Investments [Member]
Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]
Tax credit earning period	10 years
Buildings [Member]
Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]
Estimated useful lives of assets	30 years
Furniture, Fixtures and Equipment [Member] | Minimum [Member]
Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]
Estimated useful lives of assets	3 years
Furniture, Fixtures and Equipment [Member] | Maximum [Member]
Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]
Estimated useful lives of assets	10 years
Software [Member]
Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]
Amortization Expense Charged Off Period	3 years
Core Systems [Member]
Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]
Amortization Expense Charged Off Period	7 years
Commercial Loans [Member]
Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]
Loss emergence periods	24 months
Retail Loans [Member] | Minimum [Member]
Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]
Loss emergence periods	12 months
Residential Mortgages Loans [Member] | Maximum [Member]
Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]
Loss emergence periods	18 months

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Acquisitions (Narrative) (Details) $ in Thousands			12 Months Ended
	Apr. 28, 2017 USD ($) entity	Mar. 10, 2017 USD ($) entity	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Apr. 29, 2017 entity
Business Acquisition [Line Items]
Short-term borrowings			$ 1,703,890	$ 1,225,406
Long-term borrowings			305,513	436,280
Goodwill			745,523	621,193
Revenue			792,312	659,116	$ 625,174
Professional Fees			40,235	29,561	40,198
Other expense			82,636	72,564	72,203
Loan expected to be uncollectible			217,308	229,418	$ 181,179
Unpaid principal balance			341,713	327,722
Recorded investment with an allowance			170,142	132,004
Recorded investment without an allowance			147,055	169,341
Hancock Holding Company [Member]
Business Acquisition [Line Items]
Long-term borrowings			234,135	251,573
Whitney Bank [Member]
Business Acquisition [Line Items]
Net of cash acquired		$ 323,000
Cash consideration		326,000
Cash acquired		3,000
Acquisition, Premium amount to pay		41,600
FHLB Borrowings [Member]
Business Acquisition [Line Items]
Short-term borrowings			1,132,567	$ 865,000
$450 Debt Due 2020 [Member] | Variable-rate Term Notes [Member] | FHLB Borrowings [Member]
Business Acquisition [Line Items]
Short-term borrowings			$ 450,000
Maturity year			2020
$200 Debt Due 2025 [Member] | Variable-rate Term Notes [Member] | FHLB Borrowings [Member]
Business Acquisition [Line Items]
Short-term borrowings			$ 200,000
Maturity year			2025
$260 Debt Due 2026 [Member] | Variable-rate Term Notes [Member] | FHLB Borrowings [Member]
Business Acquisition [Line Items]
Short-term borrowings			$ 260,000
Maturity year			2026
FNBC Transaction [Member]
Business Acquisition [Line Items]
Acquisition, debt assumed			$ 93,120
Identifiable intangible assets			25,300
Goodwill			124,330
Fair value discount			41,000
Acquisition, debt assumed			4,686
Total Loans			1,368,669
Unpaid principal balance of the loans acquired			1,400,000
Liabilities assumed			2,622,950
Estimated uncollectible amount			31,700
Unpaid principal balance			39,900
Recorded investment with an allowance			15,000
Recorded investment without an allowance			$ 24,900
FNBC I [Member]
Business Acquisition [Line Items]
Acquisition, debt assumed		93,120
Identifiable intangible assets		3,900
Goodwill		103,547
Acquisition, debt assumed		1,607
Total Loans		1,203,092
Useful life			8 years
Liabilities assumed		$ 1,003,647
FNBC I [Member] | Whitney Bank [Member]
Business Acquisition [Line Items]
Number of branches | entity		9
FNBC I [Member] | FHLB Borrowings [Member]
Business Acquisition [Line Items]
Liabilities assumed			$ 690,000
FNBC I [Member] | Variable-rate Term Notes [Member] | FHLB Borrowings [Member]
Business Acquisition [Line Items]
Short-term borrowings			460,000
FNBC I [Member] | Fixed-rate Term Notes [Member] | FHLB Borrowings [Member]
Business Acquisition [Line Items]
Long-term borrowings			93,100
FNBC I [Member] | Fixed-rate Term Notes [Member] | FHLB Borrowings [Member]
Business Acquisition [Line Items]
Short-term borrowings			$ 51,000
FNBC II [Member]
Business Acquisition [Line Items]
Identifiable intangible assets	$ 21,400
Goodwill	20,783
Acquisition, debt assumed	3,079
Total Loans	165,577
Useful life			11 years
Liabilities assumed	$ 1,619,303
FNBC II [Member] | Whitney Bank [Member]
Business Acquisition [Line Items]
Number of branches | entity	29
Cash received	$ 800,000
Cash acquired	158,000
Number of branches exercised | entity						7
Premium payment	35,000
Unpaid principal balance of the loans acquired, Net liabilities assumed	$ 642,000

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Acquisitions (Schedule of Fair Value of Net Assets Acquired Acquired and Liabilities Assumed) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Apr. 28, 2017	Mar. 10, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Goodwill	$ 745,523			$ 621,193
FNBC Transaction [Member]
Business Acquisition [Line Items]
Cash and due from banks	160,788
Interest-bearing time deposits with other banks	382,622
Fed funds sold and other short-term investments	148
Securities	213,877
Total Loans	1,368,669
Property and equipment	20,934
Accrued interest receivable	4,028
Identifiable intangible assets	25,300
Deferred tax asset	2,220
Other assets	4,213
Total identifiable assets	2,182,799
Deposits	1,928,509
Short-term borrowings	596,635
Long-term debt	93,120
Other liabilities	4,686
Total liabilities	2,622,950
Net identifiable assets acquired (liabilities assumed)	(440,151)
Consideration (Paid) Received	315,821
Goodwill	$ 124,330
FNBC I [Member]
Business Acquisition [Line Items]
Cash and due from banks			$ 2,856
Total Loans			1,203,092
Property and equipment			11,946
Accrued interest receivable			3,143
Identifiable intangible assets			3,900
Deferred tax asset			856
Other assets			63
Total identifiable assets			1,225,856
Deposits			398,171
Short-term borrowings			510,749
Long-term debt			93,120
Other liabilities			1,607
Total liabilities			1,003,647
Net identifiable assets acquired (liabilities assumed)			222,209
Consideration (Paid) Received			(325,756)
Goodwill			$ 103,547
FNBC II [Member]
Business Acquisition [Line Items]
Cash and due from banks		$ 157,932
Interest-bearing time deposits with other banks		382,622
Fed funds sold and other short-term investments		148
Securities		213,877
Total Loans		165,577
Property and equipment		8,988
Accrued interest receivable		885
Identifiable intangible assets		21,400
Deferred tax asset		1,364
Other assets		4,150
Total identifiable assets		956,943
Deposits		1,530,338
Short-term borrowings		85,886
Other liabilities		3,079
Total liabilities		1,619,303
Net identifiable assets acquired (liabilities assumed)		(662,360)
Consideration (Paid) Received		641,577
Goodwill		$ 20,783

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Acquisitions (Schedule of Goodwill) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($)
Business Acquisition [Line Items]
Goodwill, Beginning Balance	$ 621,193
Goodwill, Ending Balance	745,523
FNBC Transaction [Member]
Business Acquisition [Line Items]
Goodwill, Ending Balance	124,330
FNBC I [Member]
Business Acquisition [Line Items]
Goodiwill, Initial goodwill recorded	95,568
Goodwill, Measurement period adjustments	7,979
FNBC II [Member]
Business Acquisition [Line Items]
Goodiwill, Initial goodwill recorded	23,009
Goodwill, Measurement period adjustments	$ (2,226)

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Acquisitions (Schedule of Merger-Related Expense) (Details) - FNBC Transaction [Member] $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($)
Business Acquisition [Line Items]
Personnel expense	$ 3,662
Net occupancy and equipment expense	777
Professional services expense	9,681
Data processing expense	974
Other real estate	(1,511)
Advertising expense	1,389
Other expense	4,398
Total merger-related expenses	$ 19,370

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Securities (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Securities [Abstract]
Securities classified as trading	$ 0	$ 0
Proceeds from sales of securities available for sale	213,877,000	173,215,000	$ 9,289,000
Realized gain	0	2,000,000
Realized loss	0	200,000
Securities pledged as collateral	$ 3,300,000,000	$ 3,800,000,000

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Securities (Amortized Cost and Fair Value of Securities Available for Sale) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Securities Available for Sale, Amortized Cost	$ 2,949,057	$ 2,562,000
Securities Available for Sale, Gross Unrealized Gains	7,230	11,195
Securities Available for Sale, Gross Unrealized Losses	45,418	56,287
Securities Available for Sale, Fair Value	2,910,869	2,516,908
U.S. Treasury And Government Agency Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities Available for Sale, Amortized Cost	99,535	56,751
Securities Available for Sale, Gross Unrealized Losses	2,263	1,923
Securities Available for Sale, Fair Value	97,272	54,828
Municipal Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities Available for Sale, Amortized Cost	245,997	253,228
Securities Available for Sale, Gross Unrealized Gains	1,135	113
Securities Available for Sale, Gross Unrealized Losses	3,346	11,186
Securities Available for Sale, Fair Value	243,786	242,155
Residential Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities Available for Sale, Amortized Cost	1,729,989	1,620,191
Securities Available for Sale, Gross Unrealized Gains	5,611	10,592
Securities Available for Sale, Gross Unrealized Losses	20,387	19,428
Securities Available for Sale, Fair Value	1,715,213	1,611,355
Commercial Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities Available for Sale, Amortized Cost	704,518	425,750
Securities Available for Sale, Gross Unrealized Gains	480
Securities Available for Sale, Gross Unrealized Losses	17,863	23,159
Securities Available for Sale, Fair Value	687,135	402,591
Collateralized Mortgage Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities Available for Sale, Amortized Cost	165,518	202,580
Securities Available for Sale, Gross Unrealized Gains	4	490
Securities Available for Sale, Gross Unrealized Losses	1,559	591
Securities Available for Sale, Fair Value	163,963	202,479
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities Available for Sale, Amortized Cost	3,500	3,500
Securities Available for Sale, Fair Value	$ 3,500	$ 3,500

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Securities (Amortized Cost and Fair Value of Securities Held to Maturity) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Schedule of Held-to-maturity Securities [Line Items]
Securities Held to Maturity, Amortized Cost	$ 2,977,511	$ 2,500,220
Securities Held to Maturity, Gross Unrealized Gains	13,110	7,896
Securities Held to Maturity, Gross Unrealized Losses	28,611	37,999
Securities Held to Maturity, Fair Value	2,962,010	2,470,117
U.S. Treasury And Government Agency Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Securities Held to Maturity, Amortized Cost	50,000	50,000
Securities Held to Maturity, Gross Unrealized Losses	289	44
Securities Held to Maturity, Fair Value	49,711	49,956
Municipal Obligations [Member]
Schedule of Held-to-maturity Securities [Line Items]
Securities Held to Maturity, Amortized Cost	723,094	648,093
Securities Held to Maturity, Gross Unrealized Gains	8,323	2,147
Securities Held to Maturity, Gross Unrealized Losses	4,245	20,175
Securities Held to Maturity, Fair Value	727,172	630,065
Residential Mortgage-Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Securities Held to Maturity, Amortized Cost	725,748	862,162
Securities Held to Maturity, Gross Unrealized Gains	4,175	4,329
Securities Held to Maturity, Gross Unrealized Losses	2,690	3,068
Securities Held to Maturity, Fair Value	727,233	863,423
Commercial Mortgage-Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Securities Held to Maturity, Amortized Cost	317,185	75,739
Securities Held to Maturity, Gross Unrealized Gains	40
Securities Held to Maturity, Gross Unrealized Losses	3,915	4,038
Securities Held to Maturity, Fair Value	313,310	71,701
Collateralized Mortgage Obligations [Member]
Schedule of Held-to-maturity Securities [Line Items]
Securities Held to Maturity, Amortized Cost	1,161,484	864,226
Securities Held to Maturity, Gross Unrealized Gains	572	1,420
Securities Held to Maturity, Gross Unrealized Losses	17,472	10,674
Securities Held to Maturity, Fair Value	$ 1,144,584	$ 854,972

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Securities (Amortized Cost and Fair Value of Debt Securities by Contractual Maturity) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Securities [Abstract]
Debt Securities Available for Sale, Due in one year or less, Amortized Cost	$ 7,624
Debt Securities Available for Sale, Due after one year through five years, Amortized Cost	40,743
Debt Securities Available for Sale, Due after five years through ten years, Amortized Cost	1,226,635
Debt Securities Available for Sale, Due after ten years, Amortized Cost	1,674,055
Total available for sale debt securities, Amortized Cost	2,949,057
Debt Securities Available for Sale, Due in one year or less, Fair Value	7,658
Debt Securities Available for Sale, Due after one year through five years, Fair Value	41,083
Debt Securities Available for Sale, Due after five years through ten years, Fair Value	1,208,735
Debt Securities Available for Sale, Due after ten years, Fair Value	1,653,393
Total available for sale debt securities, Fair Value	2,910,869
Debt Securities Held to Maturity, Due in one year or less, Amortized Cost	10,686
Debt Securities Held to Maturity, Due after one year through five years, Amortized Cost	122,555
Debt Securities Held to Maturity, Due after five years through ten years, Amortized Cost	1,052,688
Debt Securities Held to Maturity, Due after ten years, Amortized Cost	1,791,582
Total held to maturity debt securities, Amortized Cost	2,977,511	$ 2,500,220
Debt Securities Held to Maturity, Due in one year or less, Fair Value	10,695
Debt Securities Held to Maturity, Due after one year through five years, Fair Value	122,339
Debt Securities Held to Maturity, Due after five years through ten years, Fair Value	1,051,036
Debt Securities Held to Maturity, Due after ten years, Fair Value	1,777,940
Total held to maturity debt securities, Fair Value	$ 2,962,010	$ 2,470,117

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Securities (Securities Available for Sale with Unrealized Losses) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Available for sale, Losses less than 12 months, Fair Value	$ 842,011	$ 1,857,312
Available for sale, Losses less than 12 months, Gross Unrealized Losses	6,319	56,218
Available for sale, Losses 12 months or longer, Fair Value	1,569,320	3,738
Available for sale, Losses 12 months or longer, Gross Unrealized Losses	39,099	69
Available for sale, Total, Fair Value	2,411,331	1,861,050
Available for sale, Total, Gross Unrealized Losses	45,418	56,287
U.S. Treasury And Government Agency Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale, Losses less than 12 months, Fair Value	45,616	54,788
Available for sale, Losses less than 12 months, Gross Unrealized Losses	42	1,923
Available for sale, Losses 12 months or longer, Fair Value	51,157
Available for sale, Losses 12 months or longer, Gross Unrealized Losses	2,221
Available for sale, Total, Fair Value	96,773	54,788
Available for sale, Total, Gross Unrealized Losses	2,263	1,923
Municipal Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale, Losses less than 12 months, Fair Value	2,768	228,588
Available for sale, Losses less than 12 months, Gross Unrealized Losses	11	11,186
Available for sale, Losses 12 months or longer, Fair Value	173,530
Available for sale, Losses 12 months or longer, Gross Unrealized Losses	3,335
Available for sale, Total, Fair Value	176,298	228,588
Available for sale, Total, Gross Unrealized Losses	3,346	11,186
Residential Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale, Losses less than 12 months, Fair Value	461,835	1,087,644
Available for sale, Losses less than 12 months, Gross Unrealized Losses	4,195	19,359
Available for sale, Losses 12 months or longer, Fair Value	898,099	3,738
Available for sale, Losses 12 months or longer, Gross Unrealized Losses	16,192	69
Available for sale, Total, Fair Value	1,359,934	1,091,382
Available for sale, Total, Gross Unrealized Losses	20,387	19,428
Commercial Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale, Losses less than 12 months, Fair Value	203,618	402,591
Available for sale, Losses less than 12 months, Gross Unrealized Losses	995	23,159
Available for sale, Losses 12 months or longer, Fair Value	411,046
Available for sale, Losses 12 months or longer, Gross Unrealized Losses	16,868
Available for sale, Total, Fair Value	614,664	402,591
Available for sale, Total, Gross Unrealized Losses	17,863	23,159
Collateralized Mortgage Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale, Losses less than 12 months, Fair Value	128,174	83,701
Available for sale, Losses less than 12 months, Gross Unrealized Losses	1,076	591
Available for sale, Losses 12 months or longer, Fair Value	35,488
Available for sale, Losses 12 months or longer, Gross Unrealized Losses	483
Available for sale, Total, Fair Value	163,662	83,701
Available for sale, Total, Gross Unrealized Losses	$ 1,559	$ 591

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Securities (Securities Held to Maturity with Unrealized Losses) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Schedule of Held-to-maturity Securities [Line Items]
Held to maturity, Losses less than 12 months, Fair Value	$ 768,589	$ 1,513,235
Held to maturity, Losses less than 12 months, Gross Unrealized Losses	6,515	34,152
Held to maturity, Losses 12 months or longer, Fair Value	1,055,983	127,125
Held to maturity, Losses 12 months or longer, Gross Unrealized Losses	22,096	3,847
Held to maturity, Total, Fair Value	1,824,572	1,640,360
Held to maturity, Total, Gross Unrealized Losses	28,611	37,999
U.S. Treasury And Government Agency Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held to maturity, Losses less than 12 months, Fair Value		49,956
Held to maturity, Losses less than 12 months, Gross Unrealized Losses		44
Held to maturity, Losses 12 months or longer, Fair Value	49,711
Held to maturity, Losses 12 months or longer, Gross Unrealized Losses	289
Held to maturity, Total, Fair Value	49,711	49,956
Held to maturity, Total, Gross Unrealized Losses	289	44
Municipal Obligations [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held to maturity, Losses less than 12 months, Fair Value	14,603	494,470
Held to maturity, Losses less than 12 months, Gross Unrealized Losses	19	19,706
Held to maturity, Losses 12 months or longer, Fair Value	230,960	11,750
Held to maturity, Losses 12 months or longer, Gross Unrealized Losses	4,226	469
Held to maturity, Total, Fair Value	245,563	506,220
Held to maturity, Total, Gross Unrealized Losses	4,245	20,175
Residential Mortgage-Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held to maturity, Losses less than 12 months, Fair Value	8,815	278,369
Held to maturity, Losses less than 12 months, Gross Unrealized Losses	99	3,068
Held to maturity, Losses 12 months or longer, Fair Value	230,277
Held to maturity, Losses 12 months or longer, Gross Unrealized Losses	2,591
Held to maturity, Total, Fair Value	239,092	278,369
Held to maturity, Total, Gross Unrealized Losses	2,690	3,068
Commercial Mortgage-Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held to maturity, Losses less than 12 months, Fair Value	174,882	71,701
Held to maturity, Losses less than 12 months, Gross Unrealized Losses	744	4,038
Held to maturity, Losses 12 months or longer, Fair Value	72,499
Held to maturity, Losses 12 months or longer, Gross Unrealized Losses	3,171
Held to maturity, Total, Fair Value	247,381	71,701
Held to maturity, Total, Gross Unrealized Losses	3,915	4,038
Collateralized Mortgage Obligations [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held to maturity, Losses less than 12 months, Fair Value	570,289	618,739
Held to maturity, Losses less than 12 months, Gross Unrealized Losses	5,653	7,296
Held to maturity, Losses 12 months or longer, Fair Value	472,536	115,375
Held to maturity, Losses 12 months or longer, Gross Unrealized Losses	11,819	3,378
Held to maturity, Total, Fair Value	1,042,825	734,114
Held to maturity, Total, Gross Unrealized Losses	$ 17,472	$ 10,674

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Loans and Allowance for Loan Losses (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) agreement loan	Dec. 31, 2016 USD ($) loan	Dec. 31, 2015 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans	$ 252,800	$ 317,970
TDRs both accruing and nonaccruing	219,700	121,700
Post-Modification outstanding recorded investment	$ 177,070	$ 132,234	$ 5,107
Number of TDRs subsequently defaulted | loan	0	4	0
Recorded investment		$ 20,800
Unfunded commitment to borrowers related to modified TDR	$ 7,300	6,800
TDRs and loans impaired with minimum aggregate relationship balances	1,000
Loans covered by loss share agreement		149,000
Related party balances of loans	33,600	15,300
Related party new loans	25,800
Related party repayments	7,500
Loss on termination of loss share agreements	(6,603)
Cash received from FDIC for final settlement of agreements	(3,234)
Loans held for sale	39,865	34,064
Short-term borrowings	1,703,890	1,225,406
FHLB Borrowings [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term borrowings	1,132,567	865,000
Troubled Debt Restructurings [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans	99,200	81,900
Troubled Debt Restructurings [Member] | Loans With Extended Amortization Terms Or Other Payment Concessions [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Post-Modification outstanding recorded investment	98,100	108,900	$ 5,000
Troubled Debt Restructurings [Member] | Loans With Significant Covenant Waivers [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Convenant waivers	76,200	22,800
Troubled Debt Restructurings [Member] | Loans With Other Modifications [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Other modifications	$ 2,800	500	100
FDIC Loss Share Agreement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of loss share agreements | agreement	2
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans	$ 15,087	12,351
Post-Modification outstanding recorded investment	40		$ 20
Real estate in process of foreclosure	7,500	10,100
Real estate acquired through foreclosure	$ 3,400	3,100
Consumer [Member] | FDIC Loss Share Agreement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Real estate in process of foreclosure		4,900
Real estate acquired through foreclosure		$ 900

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Loans and Allowance for Loan Losses (Loans, Net of Unearned Income) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 19,004,163	$ 16,752,151
Residential Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	2,690,472	2,146,713
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	2,115,295	2,059,931
Commercial Real Estate - Income Producing [Member] | Total Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	2,384,599	2,013,890
Construction and Land Development [Member] | Total Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,373,421	1,010,879
Total Commercial And Industrial [Member] | Total Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	10,440,376	9,520,738
Total Commercial And Industrial [Member] | Commercial Non-Real Estate [Member] | Total Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	8,297,937	7,613,917
Total Commercial And Industrial [Member] | Commercial Real Estate - Owner Occupied [Member] | Total Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 2,142,439	$ 1,906,821

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Loans and Allowance for Loan Losses (Allowance for Loan Losses by Portfolio Class) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Beginning balance	$ 229,418	$ 181,179
Allowance for loan losses: Net provision for loan losses	58,968	110,659	$ 73,038
Allowance for loan losses: (Decrease) increase in FDIC loss share receivable	(2,526)	(3,957)
Allowance for loan losses: Ending balance	217,308	229,418	181,179
Allowance for loan losses: Individually evaluated for impairment	18,566	29,295
Allowance for loan losses: Amounts related to purchased credit impaired loans	14,107	18,353
Allowance for loan losses: Collectively evaluated for impairment	184,635	181,770
Loans: Individually evaluated for impairment	317,197	301,345
Loans: Purchased credit impaired loans	147,537	190,915
Loans: Collectively evaluated for impairment	18,539,429	16,259,891
Loans receivable	19,004,163	16,752,151
Total Commercial [Member] | Commercial Real Estate - Income Producing [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Beginning balance	13,509	6,041
Allowance for loan losses: Ending balance	13,709	13,509	6,041
Allowance for loan losses: Individually evaluated for impairment	1,326	466
Allowance for loan losses: Amounts related to purchased credit impaired loans	41	253
Allowance for loan losses: Collectively evaluated for impairment	12,342	12,790
Loans: Individually evaluated for impairment	15,530	15,376
Loans: Purchased credit impaired loans	2,742	7,928
Loans: Collectively evaluated for impairment	2,366,327	1,990,586
Loans receivable	2,384,599	2,013,890
Total Commercial [Member] | Construction and Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Beginning balance	6,271	5,642
Allowance for loan losses: Ending balance	7,372	6,271	5,642
Allowance for loan losses: Individually evaluated for impairment	11	38
Allowance for loan losses: Amounts related to purchased credit impaired loans	172	406
Allowance for loan losses: Collectively evaluated for impairment	7,189	5,827
Loans: Individually evaluated for impairment	363	1,938
Loans: Purchased credit impaired loans	5,829	5,271
Loans: Collectively evaluated for impairment	1,367,229	1,003,670
Loans receivable	1,373,421	1,010,879
Residential Mortgages [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Beginning balance	25,361	25,353
Allowance for loan losses: Ending balance	24,844	25,361	25,353
Allowance for loan losses: Individually evaluated for impairment	189	91
Allowance for loan losses: Amounts related to purchased credit impaired loans	12,258	15,043
Allowance for loan losses: Collectively evaluated for impairment	12,397	10,227
Loans: Individually evaluated for impairment	10,640	4,347
Loans: Purchased credit impaired loans	119,553	141,992
Loans: Collectively evaluated for impairment	2,560,279	2,000,374
Loans receivable	2,690,472	2,146,713
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Beginning balance	26,142	24,857
Allowance for loan losses: Ending balance	30,503	26,142	24,857
Allowance for loan losses: Individually evaluated for impairment	118	267
Allowance for loan losses: Amounts related to purchased credit impaired loans	646	1,271
Allowance for loan losses: Collectively evaluated for impairment	29,739	24,604
Loans: Individually evaluated for impairment	1,292	2,154
Loans: Purchased credit impaired loans	6,178	11,033
Loans: Collectively evaluated for impairment	2,107,825	2,046,744
Loans receivable	2,115,295	2,059,931
Purchased Credit Impaired Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Charge-offs	(527)	(378)
Allowance for loan losses: Recoveries	704	972
Allowance for loan losses: Net provision for loan losses	(1,897)	(1,404)
Allowance for loan losses: (Decrease) increase in FDIC loss share receivable	(2,526)	(3,957)
Purchased Credit Impaired Loans [Member] | Total Commercial [Member] | Commercial Real Estate - Income Producing [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Charge-offs		(1)
Allowance for loan losses: Recoveries	1	2
Allowance for loan losses: Net provision for loan losses	(213)	(462)
Purchased Credit Impaired Loans [Member] | Total Commercial [Member] | Construction and Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Charge-offs	(77)	(18)
Allowance for loan losses: Recoveries	144	361
Allowance for loan losses: Net provision for loan losses	(301)	(594)
Purchased Credit Impaired Loans [Member] | Residential Mortgages [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Charge-offs	(297)	(323)
Allowance for loan losses: Recoveries	24	36
Allowance for loan losses: Net provision for loan losses	(168)	1,876
Allowance for loan losses: (Decrease) increase in FDIC loss share receivable	(2,344)	(4,209)
Purchased Credit Impaired Loans [Member] | Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Charge-offs	(153)	(8)
Allowance for loan losses: Recoveries	75	189
Allowance for loan losses: Net provision for loan losses	(412)	(1,740)
Allowance for loan losses: (Decrease) increase in FDIC loss share receivable	(135)	283
Non-Purchased Credit Impaired Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Charge-offs	(86,734)	(72,888)
Allowance for loan losses: Recoveries	18,005	13,831
Allowance for loan losses: Net provision for loan losses	60,865	112,063
Non-Purchased Credit Impaired Loans [Member] | Total Commercial [Member] | Commercial Real Estate - Income Producing [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Charge-offs	(259)	(346)
Allowance for loan losses: Recoveries	987	989
Allowance for loan losses: Net provision for loan losses	(316)	7,286
Non-Purchased Credit Impaired Loans [Member] | Total Commercial [Member] | Construction and Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Charge-offs	(619)	(964)
Allowance for loan losses: Recoveries	1,459	1,725
Allowance for loan losses: Net provision for loan losses	495	119
Non-Purchased Credit Impaired Loans [Member] | Residential Mortgages [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Charge-offs	(2,542)	(1,040)
Allowance for loan losses: Recoveries	1,040	859
Allowance for loan losses: Net provision for loan losses	3,770	2,809
Non-Purchased Credit Impaired Loans [Member] | Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Charge-offs	(31,277)	(26,099)
Allowance for loan losses: Recoveries	6,605	5,809
Allowance for loan losses: Net provision for loan losses	29,658	22,851
Total Commercial And Industrial [Member] | Total Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Beginning balance	158,135	119,286
Allowance for loan losses: Ending balance	140,880	158,135	119,286
Allowance for loan losses: Individually evaluated for impairment	16,922	28,433
Allowance for loan losses: Amounts related to purchased credit impaired loans	990	1,380
Allowance for loan losses: Collectively evaluated for impairment	122,968	128,322
Loans: Individually evaluated for impairment	289,372	277,530
Loans: Purchased credit impaired loans	13,235	24,691
Loans: Collectively evaluated for impairment	10,137,769	9,218,517
Loans receivable	10,440,376	9,520,738
Total Commercial And Industrial [Member] | Total Commercial [Member] | Commercial Non-Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Beginning balance	147,052	109,428
Allowance for loan losses: Ending balance	127,918	147,052	109,428
Allowance for loan losses: Individually evaluated for impairment	16,129	28,187
Allowance for loan losses: Amounts related to purchased credit impaired loans	525	486
Allowance for loan losses: Collectively evaluated for impairment	111,264	118,379
Loans: Individually evaluated for impairment	267,881	271,262
Loans: Purchased credit impaired loans	5,941	11,368
Loans: Collectively evaluated for impairment	8,024,115	7,331,287
Loans receivable	8,297,937	7,613,917
Total Commercial And Industrial [Member] | Total Commercial [Member] | Commercial Real Estate - Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Beginning balance	11,083	9,858
Allowance for loan losses: Ending balance	12,962	11,083	$ 9,858
Allowance for loan losses: Individually evaluated for impairment	793	246
Allowance for loan losses: Amounts related to purchased credit impaired loans	465	894
Allowance for loan losses: Collectively evaluated for impairment	11,704	9,943
Loans: Individually evaluated for impairment	21,491	6,268
Loans: Purchased credit impaired loans	7,294	13,323
Loans: Collectively evaluated for impairment	2,113,654	1,887,230
Loans receivable	2,142,439	1,906,821
Total Commercial And Industrial [Member] | Purchased Credit Impaired Loans [Member] | Total Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Charge-offs		(28)
Allowance for loan losses: Recoveries	460	384
Allowance for loan losses: Net provision for loan losses	(803)	(484)
Allowance for loan losses: (Decrease) increase in FDIC loss share receivable	(47)	(31)
Total Commercial And Industrial [Member] | Purchased Credit Impaired Loans [Member] | Total Commercial [Member] | Commercial Non-Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Recoveries	7	115
Allowance for loan losses: Net provision for loan losses	79	(44)
Allowance for loan losses: (Decrease) increase in FDIC loss share receivable	(47)	(31)
Total Commercial And Industrial [Member] | Purchased Credit Impaired Loans [Member] | Total Commercial [Member] | Commercial Real Estate - Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Charge-offs		(28)
Allowance for loan losses: Recoveries	453	269
Allowance for loan losses: Net provision for loan losses	(882)	(440)
Total Commercial And Industrial [Member] | Non-Purchased Credit Impaired Loans [Member] | Total Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Charge-offs	(52,037)	(44,439)
Allowance for loan losses: Recoveries	7,914	4,449
Allowance for loan losses: Net provision for loan losses	27,258	78,998
Total Commercial And Industrial [Member] | Non-Purchased Credit Impaired Loans [Member] | Total Commercial [Member] | Commercial Non-Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Charge-offs	(51,479)	(42,620)
Allowance for loan losses: Recoveries	7,519	3,969
Allowance for loan losses: Net provision for loan losses	24,787	76,235
Total Commercial And Industrial [Member] | Non-Purchased Credit Impaired Loans [Member] | Total Commercial [Member] | Commercial Real Estate - Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses: Charge-offs	(558)	(1,819)
Allowance for loan losses: Recoveries	395	480
Allowance for loan losses: Net provision for loan losses	$ 2,471	$ 2,763

XML

Loans and Allowance for Loan Losses (Composition of Nonaccrual Loans by Portfolio Class) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	$ 252,800	$ 317,970
Total Commercial [Member] | Commercial Real Estate - Income Producing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	14,574	13,954
Total Commercial [Member] | Construction and Land Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	3,807	4,550
Residential Mortgages [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	40,480	23,665
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	15,087	12,351
Total Commercial And Industrial [Member] | Total Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	178,852	263,450
Total Commercial And Industrial [Member] | Total Commercial [Member] | Commercial Non-Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	152,863	249,037
Total Commercial And Industrial [Member] | Total Commercial [Member] | Commercial Real Estate - Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	$ 25,989	$ 14,413

XML

Loans and Allowance for Loan Losses (Troubled Debt Restructurings Modified by Portfolio Class) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) contract	Dec. 31, 2016 USD ($) contract	Dec. 31, 2015 USD ($) contract
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	78	47	7
Pre-Modification Outstanding Recorded Investment	$ 177,070	$ 132,234	$ 5,120
Post-Modification Outstanding Recorded Investment	$ 177,070	$ 132,234	$ 5,107
Total Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	57	39	1
Pre-Modification Outstanding Recorded Investment	$ 168,593	$ 128,597	$ 4,420
Post-Modification Outstanding Recorded Investment	$ 168,593	$ 128,597	$ 4,420
Total Commercial [Member] | Commercial Real Estate - Income Producing [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	5	1	1
Pre-Modification Outstanding Recorded Investment	$ 5,625	$ 2,943	$ 485
Post-Modification Outstanding Recorded Investment	$ 5,625	$ 2,943	$ 482
Residential Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	15	7	4
Pre-Modification Outstanding Recorded Investment	$ 2,812	$ 694	$ 195
Post-Modification Outstanding Recorded Investment	$ 2,812	$ 694	$ 185
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1		1
Pre-Modification Outstanding Recorded Investment	$ 40		$ 20
Post-Modification Outstanding Recorded Investment	$ 40		$ 20
Total Commercial And Industrial [Member] | Total Commercial [Member] | Commercial Non-Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	52	38	1
Pre-Modification Outstanding Recorded Investment	$ 162,909	$ 128,449	$ 4,420
Post-Modification Outstanding Recorded Investment	$ 162,909	$ 128,449	$ 4,420
Total Commercial And Industrial [Member] | Total Commercial [Member] | Commercial Real Estate - Owner Occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	5	1
Pre-Modification Outstanding Recorded Investment	$ 5,684	$ 148
Post-Modification Outstanding Recorded Investment	$ 5,684	$ 148

XML

Loans and Allowance for Loan Losses (Loans Individually Evaluated for Impairment Disaggregated by Portfolio Class) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Impaired [Line Items]
Recorded investment without an allowance	$ 147,055	$ 169,341
Recorded investment with an allowance	170,142	132,004
Unpaid principal balance	341,713	327,722
Related allowance	18,566	29,295
Average recorded investment	286,536	236,013
Interest income recognized	3,015	1,330
Total Commercial [Member] | Commercial Real Estate - Income Producing [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment without an allowance	5,101	10,447
Recorded investment with an allowance	10,429	4,929
Unpaid principal balance	15,687	15,708
Related allowance	1,326	466
Average recorded investment	14,565	9,347
Interest income recognized	146	106
Total Commercial [Member] | Construction and Land Development [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment without an allowance	100	1,106
Recorded investment with an allowance	263	832
Unpaid principal balance	363	2,903
Related allowance	11	38
Average recorded investment	1,018	6,366
Interest income recognized	2	1
Residential Mortgages [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment without an allowance	8,245	2,877
Recorded investment with an allowance	2,395	1,470
Unpaid principal balance	13,855	4,865
Related allowance	189	91
Average recorded investment	5,784	2,109
Interest income recognized	18	10
Consumer [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment with an allowance	1,292	2,154
Unpaid principal balance	1,294	2,155
Related allowance	118	267
Average recorded investment	1,558	716
Interest income recognized	13	5
Total Commercial And Industrial [Member] | Total Commercial [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment without an allowance	133,609	154,911
Recorded investment with an allowance	155,763	122,619
Unpaid principal balance	310,514	302,091
Related allowance	16,922	28,433
Average recorded investment	263,611	217,475
Interest income recognized	2,836	1,208
Total Commercial And Industrial [Member] | Total Commercial [Member] | Commercial Non-Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment without an allowance	116,682	150,650
Recorded investment with an allowance	151,199	120,612
Unpaid principal balance	285,685	295,445
Related allowance	16,129	28,187
Average recorded investment	255,710	211,324
Interest income recognized	2,774	1,164
Total Commercial And Industrial [Member] | Total Commercial [Member] | Commercial Real Estate - Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment without an allowance	16,927	4,261
Recorded investment with an allowance	4,564	2,007
Unpaid principal balance	24,829	6,646
Related allowance	793	246
Average recorded investment	7,901	6,151
Interest income recognized	$ 62	$ 44

XML

Loans and Allowance for Loan Losses (Age Analysis of Past Due Loans by Portfolio Class) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 327,349	$ 195,107
Current	18,676,814	16,557,044
Total loans	19,004,163	16,752,151
Recorded Investment > 90 Days and Accruing	27,766	3,039
30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	137,267	67,482
60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	33,000	18,968
Greater Than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	157,082	108,657
Total Commercial [Member] | Commercial Real Estate - Income Producing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	13,561	5,914
Current	2,371,038	2,007,976
Total loans	2,384,599	2,013,890
Recorded Investment > 90 Days and Accruing	489	216
Total Commercial [Member] | Commercial Real Estate - Income Producing [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	5,315	838
Total Commercial [Member] | Commercial Real Estate - Income Producing [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	2,165	50
Total Commercial [Member] | Commercial Real Estate - Income Producing [Member] | Greater Than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	6,081	5,026
Total Commercial [Member] | Construction and Land Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	8,581	6,165
Current	1,364,840	1,004,714
Total loans	1,373,421	1,010,879
Recorded Investment > 90 Days and Accruing	477	1,563
Total Commercial [Member] | Construction and Land Development [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	4,113	694
Total Commercial [Member] | Construction and Land Development [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,056	171
Total Commercial [Member] | Construction and Land Development [Member] | Greater Than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	3,412	5,300
Total Commercial [Member] | Total Commercial And Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	191,167	100,035
Current	10,249,209	9,420,703
Total loans	10,440,376	9,520,738
Recorded Investment > 90 Days and Accruing	24,021	436
Total Commercial [Member] | Total Commercial And Industrial [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	71,259	22,730
Total Commercial [Member] | Total Commercial And Industrial [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	11,409	2,490
Total Commercial [Member] | Total Commercial And Industrial [Member] | Greater Than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	108,499	74,815
Total Commercial [Member] | Total Commercial And Industrial [Member] | Commercial Non-Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	166,509	90,136
Current	8,131,428	7,523,781
Total loans	8,297,937	7,613,917
Recorded Investment > 90 Days and Accruing	21,989	384
Total Commercial [Member] | Total Commercial And Industrial [Member] | Commercial Non-Real Estate [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	62,766	19,722
Total Commercial [Member] | Total Commercial And Industrial [Member] | Commercial Non-Real Estate [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	10,761	1,909
Total Commercial [Member] | Total Commercial And Industrial [Member] | Commercial Non-Real Estate [Member] | Greater Than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	92,982	68,505
Total Commercial [Member] | Total Commercial And Industrial [Member] | Commercial Real Estate - Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	24,658	9,899
Current	2,117,781	1,896,922
Total loans	2,142,439	1,906,821
Recorded Investment > 90 Days and Accruing	2,032	52
Total Commercial [Member] | Total Commercial And Industrial [Member] | Commercial Real Estate - Owner Occupied [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	8,493	3,008
Total Commercial [Member] | Total Commercial And Industrial [Member] | Commercial Real Estate - Owner Occupied [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	648	581
Total Commercial [Member] | Total Commercial And Industrial [Member] | Commercial Real Estate - Owner Occupied [Member] | Greater Than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	15,517	6,310
Residential Mortgages [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	74,712	47,784
Current	2,615,760	2,098,929
Total loans	2,690,472	2,146,713
Recorded Investment > 90 Days and Accruing	2,208	1
Residential Mortgages [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	33,621	24,599
Residential Mortgages [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	10,554	8,816
Residential Mortgages [Member] | Greater Than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	30,537	14,369
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	39,328	35,209
Current	2,075,967	2,024,722
Total loans	2,115,295	2,059,931
Recorded Investment > 90 Days and Accruing	571	823
Consumer [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	22,959	18,621
Consumer [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	7,816	7,441
Consumer [Member] | Greater Than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 8,553	$ 9,147

XML

Loans and Allowance for Loan Losses (Credit Quality Indicators by Segments and Portfolio Class) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Total Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	$ 14,198,396	$ 12,545,507
Total Commercial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	12,601,853	10,925,611
Total Commercial [Member] | Pass-Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	520,230	351,888
Total Commercial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	126,137	248,696
Total Commercial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	950,111	1,001,599
Total Commercial [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	65	17,713
Residential Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	2,690,472	2,146,713
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	2,115,295	2,059,931
Residential Mortgage and Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	4,805,767	4,206,644
Commercial Real Estate - Income Producing [Member] | Total Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	2,384,599	2,013,890
Commercial Real Estate - Income Producing [Member] | Total Commercial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	2,223,245	1,873,644
Commercial Real Estate - Income Producing [Member] | Total Commercial [Member] | Pass-Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	83,444	78,309
Commercial Real Estate - Income Producing [Member] | Total Commercial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	13,244	22,492
Commercial Real Estate - Income Producing [Member] | Total Commercial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	64,658	39,434
Commercial Real Estate - Income Producing [Member] | Total Commercial [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	8	11
Construction and Land Development [Member] | Total Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,373,421	1,010,879
Construction and Land Development [Member] | Total Commercial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,291,638	968,505
Construction and Land Development [Member] | Total Commercial [Member] | Pass-Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	60,804	22,592
Construction and Land Development [Member] | Total Commercial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	4,788	4,142
Construction and Land Development [Member] | Total Commercial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	16,191	15,640
Total Commercial And Industrial [Member] | Total Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	10,440,376	9,520,738
Total Commercial And Industrial [Member] | Total Commercial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	9,086,970	8,083,462
Total Commercial And Industrial [Member] | Total Commercial [Member] | Pass-Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	375,982	250,987
Total Commercial And Industrial [Member] | Total Commercial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	108,105	222,062
Total Commercial And Industrial [Member] | Total Commercial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	869,262	946,525
Total Commercial And Industrial [Member] | Total Commercial [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	57	17,702
Total Commercial And Industrial [Member] | Commercial Non-Real Estate [Member] | Total Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	8,297,937	7,613,917
Total Commercial And Industrial [Member] | Commercial Non-Real Estate [Member] | Total Commercial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	7,190,604	6,364,348
Total Commercial And Industrial [Member] | Commercial Non-Real Estate [Member] | Total Commercial [Member] | Pass-Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	293,069	203,311
Total Commercial And Industrial [Member] | Commercial Non-Real Estate [Member] | Total Commercial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	80,649	181,763
Total Commercial And Industrial [Member] | Commercial Non-Real Estate [Member] | Total Commercial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	733,558	846,793
Total Commercial And Industrial [Member] | Commercial Non-Real Estate [Member] | Total Commercial [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	57	17,702
Total Commercial And Industrial [Member] | Commercial Real Estate - Owner Occupied [Member] | Total Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	2,142,439	1,906,821
Total Commercial And Industrial [Member] | Commercial Real Estate - Owner Occupied [Member] | Total Commercial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,896,366	1,719,114
Total Commercial And Industrial [Member] | Commercial Real Estate - Owner Occupied [Member] | Total Commercial [Member] | Pass-Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	82,913	47,676
Total Commercial And Industrial [Member] | Commercial Real Estate - Owner Occupied [Member] | Total Commercial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	27,456	40,299
Total Commercial And Industrial [Member] | Commercial Real Estate - Owner Occupied [Member] | Total Commercial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	135,704	99,732
Performing [Member] | Residential Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	2,647,784	2,123,048
Performing [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	2,099,637	2,046,757
Performing [Member] | Residential Mortgage and Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	4,747,421	4,169,805
Nonperforming [Member] | Residential Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	42,688	23,665
Nonperforming [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	15,658	13,174
Nonperforming [Member] | Residential Mortgage and Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	$ 58,346	$ 36,839

XML

Loans and Allowance for Loan Losses (Changes in Carrying Amount of Purchased Credit Impaired Loans and Related Accretable Yield) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Loans and Allowance for Loan Losses [Abstract]
Carrying Amount of Loans, Balance at beginning of period	$ 190,915
Carrying Amount of Loans, Balance at beginning of period	190,915	$ 225,838
Carrying Amount of Loans, Payments received, net	(69,591)	(55,194)
Carrying Amount of Loans, Accretion	17,079	20,271
Carrying Amount of Loans, Balance at end of period	153,403	190,915
Accretable Yield, Balance at beginning of period	113,686	129,488
Accretable Yield, Payments received, net	(7,412)	(11,024)
Accretable Yield, Accretion	(17,079)	(20,271)
Accretable Yield, Increase (decrease) in expected cash flows based on actual cash flow and changes in cash flow assumptions	(30,379)	5,358
Accretable Yield, Net transfers from nonaccretable difference to accretable yield	3,701	10,135
Accretable Yield, Balance at end of period	$ 62,517	$ 113,686

XML

Loans and Allowance for Loan Losses (Activity in Loss Share Receivable) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Loans and Allowance for Loan Losses [Abstract]
Beginning balance	$ 16,219	$ 29,868
Amortization	(2,427)	(5,918)	$ (5,747)
Charge-offs, write-downs and other (recoveries) losses	(2,442)	(8,264)
External expenses qualifying under loss share agreement	79	1,356
Adjustment due to changes in cash flow projections	(2,526)	(3,957)
Net payments to FDIC	934	3,134
Loss on termination of loss share agreements	(6,603)
Cash received from FDIC for final settlement of agreements	$ (3,234)
Ending balance		$ 16,219	$ 29,868

XML

Property and Equipment (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Property and Equipment [Abstract]
Depreciation and amortization	$ 28,142	$ 28,363	$ 28,763
Property and equipment, held for sale	$ 27,200

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Property and Equipment (Property and Equipment) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 548,661	$ 592,739
Accumulated depreciation and amortization	(214,998)	(231,127)
Property and equipment, net	333,663	361,612
Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	71,061	79,412
Buildings and Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	305,277	335,566
Furniture, Fixtures and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	92,360	96,565
Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	70,003	70,370
Assets Under Development [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 9,960	$ 10,826

XML

Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 745,523	$ 621,193
Goodwill impairment charges	$ 0	$ 0	$ 0
Core Deposit Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-average remaining life	9 years
Other Identifiable Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-average remaining life	6 years
FNBC Transaction [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 124,330

XML

Goodwill and Other Intangible Assets (Carrying Value of Intangible Assets Subject to Amortization) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Purchase Value	$ 248,355	$ 223,055
Accumulated Amortization	157,715	135,298
Carrying Value	90,640	87,757
Core Deposit Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Purchase Value	215,955	190,655
Accumulated Amortization	132,878	113,436
Carrying Value	83,077	77,219
Credit Card and Trust Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Purchase Value	22,400	22,400
Accumulated Amortization	16,882	14,907
Carrying Value	5,518	7,493
Merchant Processing Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Purchase Value	10,000	10,000
Accumulated Amortization	7,955	6,955
Carrying Value	$ 2,045	$ 3,045

XML

Goodwill and Other Intangible Assets (Aggregate Amortization Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Aggregate amortization expense	$ 22,417	$ 19,781	$ 24,184
Core Deposit Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Aggregate amortization expense	19,442	16,411	18,031
Credit Card and Trust Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Aggregate amortization expense	1,975	2,172	2,369
Trade Name [Member]
Finite-Lived Intangible Assets [Line Items]
Aggregate amortization expense			2,388
Merchant Processing Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Aggregate amortization expense	$ 1,000	$ 1,198	$ 1,396

XML

Goodwill and Other Intangible Assets (Estimated Amortization Expense of Other Intangible Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Goodwill and Other Intangible Assets [Abstract]
2018	$ 21,368
2019	18,194
2020	13,766
2021	11,288
2022	8,975
Thereafter	17,049
Carrying Value	$ 90,640	$ 87,757
Estimated amortization expense succeeding period	5 years

XML

Time Deposits (Maturity of Time Deposits) (Details) $ in Thousands	Dec. 31, 2017 USD ($)
Time Deposits [Abstract]
2018	$ 1,490,062
2019	1,342,830
2020	111,201
2021	19,066
2022	20,150
Thereafter	4,199
Total time deposits	2,987,508
Certificates of deposits more than $250,000	$ 732,000

XML

Short-Term Borrowings (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) loan item	Dec. 31, 2016 USD ($)
Short-term Debt [Line Items]
Short-term borrowings	$ 1,703,890	$ 1,225,406
FHLB Borrowings [Member]
Short-term Debt [Line Items]
Short-term borrowings	1,132,567	$ 865,000
FHLB Borrowings [Member] | $450 Debt Due 2020 [Member] | Variable-rate Term Notes [Member]
Short-term Debt [Line Items]
Short-term borrowings	$ 450,000
Short-term maturity year	2020
FHLB Borrowings [Member] | $200 Debt Due 2025 [Member] | Variable-rate Term Notes [Member]
Short-term Debt [Line Items]
Short-term borrowings	$ 200,000
Short-term maturity year	2025
FHLB Borrowings [Member] | $260 Debt Due 2026 [Member] | Variable-rate Term Notes [Member]
Short-term Debt [Line Items]
Short-term borrowings	$ 260,000
Short-term maturity year	2026
FHLB Borrowings [Member] | FHLB Borrowings, 6 Fixed Rate Notes [Member] | Fixed-rate Term Notes [Member]
Short-term Debt [Line Items]
Number of fixed rate short-term borrowings | item	6
Short-term borrowings	$ 223,000
Short-term maturity year	2018
FHLB Borrowings [Member] | FHLB Borrowings, 6 Variable Rate Notes [Member] | Variable-rate Term Notes [Member]
Short-term Debt [Line Items]
Number of variable rate short-term borrowings | loan	6
Short-term borrowings	$ 910,000

XML

Short-Term Borrowings (Short-Term Borrowings) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Short-term Debt [Line Items]
Amount outstanding at period end	$ 1,703,890	$ 1,225,406
Federal Funds Purchased [Member]
Short-term Debt [Line Items]
Amount outstanding at period end	140,754	2,275
Average amount outstanding during period	27,063	14,052
Maximum amount at any month end during period	$ 140,754	$ 59,475
Weighted-average interest at period end	1.00%	0.38%
Weighted-average interest rate during period	1.37%	0.50%
Securities Sold Under Agreements to Repurchase [Member]
Short-term Debt [Line Items]
Amount outstanding at period end	$ 430,569	$ 358,131
Average amount outstanding during period	501,719	454,571
Maximum amount at any month end during period	$ 587,569	$ 579,099
Weighted-average interest at period end	0.17%	0.04%
Weighted-average interest rate during period	0.12%	0.03%
FHLB Borrowings [Member]
Short-term Debt [Line Items]
Amount outstanding at period end	$ 1,132,567	$ 865,000
Average amount outstanding during period	1,478,114	943,570
Maximum amount at any month end during period	$ 2,061,652	$ 1,175,000
Weighted-average interest at period end	1.35%	0.54%
Weighted-average interest rate during period	1.00%	0.41%

XML

Long-Term Debt (Narrative) (Details) - USD ($) $ in Thousands		12 Months Ended
	Dec. 18, 2015	Dec. 31, 2017	Dec. 31, 2016	Mar. 09, 2015
Debt Instrument [Line Items]
Notes payable aggregate principal amount		$ 310,578
Other long-term debt maturity year		2053
Subordinated Notes [Member] | Subordinated Notes Payable, Maturing June 2045 [Member]
Debt Instrument [Line Items]
Notes payable issuance date		Mar. 09, 2015
Notes payable aggregate principal amount		$ 150,000	$ 150,000	$ 150,000
Notes payable maturity date		Jun. 15, 2045
Notes payable interest rate		5.95%
Notes payable beginning payment date		Jun. 01, 2015
Notes payable redemption date		Jun. 15, 2020
Subordinated Notes [Member] | Subordinated Notes Payable, Maturing April 2017 [Member]
Debt Instrument [Line Items]
Notes payable maturity date		Apr. 01, 2017
Notes payable interest rate		5.875%
Subordinated Notes [Member] | Subordinated Notes Payable Maturing On April 2017 [Member]
Debt Instrument [Line Items]
Notes payable aggregate principal amount			95,511
Term Note [Member] | Term Note Payable, Maturing December 2018 [Member]
Debt Instrument [Line Items]
Notes payable aggregate principal amount	$ 125,000	$ 89,200	107,100
Notes payable maturity date		Dec. 18, 2018
Notes payable reference for variable rate		LIBOR+1.50%
Percentage points added to reference rate	1.50%
Principal payment of term loan		$ 4,500
Other Long-Term Debt [Member]
Debt Instrument [Line Items]
Notes payable aggregate principal amount		$ 71,378	$ 89,196
Notes payable agreement period		7 years

XML

Long-Term Debt (Long-Term Debt) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 18, 2015	Mar. 09, 2015
Debt Instrument [Line Items]
Gross long-term debt	$ 310,578
Less unamortized debt issuance costs	(5,065)	$ (5,527)
Total long-term debt	305,513	436,280
Subordinated Notes [Member] | Subordinated Notes Payable, Maturing June 2045 [Member]
Debt Instrument [Line Items]
Gross long-term debt	150,000	150,000		$ 150,000
Less unamortized debt issuance costs	$ (4,780)
Notes payable maturity date	Jun. 15, 2045
Subordinated Notes [Member] | Subordinated Notes Payable Maturing On April 2017 [Member]
Debt Instrument [Line Items]
Gross long-term debt		95,511
Term Note [Member] | Term Note Payable, Maturing December 2018 [Member]
Debt Instrument [Line Items]
Gross long-term debt	$ 89,200	107,100	$ 125,000
Less unamortized debt issuance costs	$ (285)
Notes payable maturity date	Dec. 18, 2018
Other Long-Term Debt [Member]
Debt Instrument [Line Items]
Gross long-term debt	$ 71,378	$ 89,196

XML

Long-Term Debt (Long-Term Debt with Related Unamortized Debt Issuance Cost) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 18, 2015	Mar. 09, 2015
Debt Instrument [Line Items]
Principal	$ 310,578
Unamortized Debt Issuance Costs	5,065	$ 5,527
Subordinated Notes [Member] | Subordinated Notes Payable, Maturing June 2045 [Member]
Debt Instrument [Line Items]
Principal	150,000	150,000		$ 150,000
Unamortized Debt Issuance Costs	$ 4,780
Notes payable maturity date	Jun. 15, 2045
Term Note [Member] | Term Note Payable, Maturing December 2018 [Member]
Debt Instrument [Line Items]
Principal	$ 89,200	107,100	$ 125,000
Unamortized Debt Issuance Costs	$ 285
Notes payable maturity date	Dec. 18, 2018
Other Long-Term Debt [Member]
Debt Instrument [Line Items]
Principal	$ 71,378	$ 89,196

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Derivatives (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Derivative [Line Items]
Notional amount of derivatives	$ 2,799,296	$ 2,342,791
Ineffective portion of change in derivative fair value	0
Aggregate fair value of derivatives in a net liability position	1,800
Collateral obligations for derivative counterparties	4,100
Deposits	76,546	48,934	$ 33,876
Cash Flow Hedge [Member]
Derivative [Line Items]
Impact to interest income from cash flow hedges	(300)	2,300	2,100
Fair Value Hedging [Member]
Derivative [Line Items]
Impact to interest income of the fair value hedges	(800)
Derivatives Designated as Hedging Instruments [Member]
Derivative [Line Items]
Notional amount of derivatives	1,358,110	1,100,000
Interest Rate Swaps [Member]
Derivative [Line Items]
Derivative income reflected in income statement	5,900	5,200	$ 2,700
Interest Rate Swaps [Member] | Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedge [Member]
Derivative [Line Items]
Notional amount of derivatives	875,000	$ 1,100,000
Interest Rate Swaps [Member] | Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedge [Member] | Swap Agreement 1, Expires 2019 [Member]
Derivative [Line Items]
Notional amount of derivatives	$ 250,000
Derivative maturity expiration year	2019
Interest Rate Swaps [Member] | Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedge [Member] | Swap Agreement 2, Expires 2020 [Member]
Derivative [Line Items]
Notional amount of derivatives	$ 200,000
Derivative maturity expiration year	2020
Interest Rate Swaps [Member] | Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedge [Member] | Swap Agreement 3, Expires 2022 [Member]
Derivative [Line Items]
Notional amount of derivatives	$ 425,000
Derivative maturity expiration year	2022
Interest Rate Swaps [Member] | Derivatives Designated as Hedging Instruments [Member] | Fair Value Hedging [Member]
Derivative [Line Items]
Notional amount of derivatives	$ 483,110

XML

Derivatives (Fair Values of Derivative Financial Instruments) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2017	Dec. 31, 2016
Derivatives, Fair Value [Line Items]
Notional or Contractual Amount		$ 2,799,296	$ 2,342,791
Fair Values, Assets		2,148	4,788
Fair Values, Liabilities		3,938	26,846
Less: netting adjustment, Assets	[1],[2]	(4,913)
Less: netting adjustment, Liabilities	[1],[2]	(21,563)
Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Notional or Contractual Amount		1,358,110	1,100,000
Fair Values, Liabilities	[1]	16,495	7,787
Derivatives Not Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Notional or Contractual Amount		1,441,186	1,242,791
Derivatives Not Designated as Hedging Instruments [Member] | Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Notional or Contractual Amount	[3]	1,144,789	979,391
Fair Values, Assets	[1],[3]	15,408	18,405
Fair Values, Liabilities	[1],[3]	15,857	18,362
Derivatives Not Designated as Hedging Instruments [Member] | Risk Participation Agreements [Member]
Derivatives, Fair Value [Line Items]
Notional or Contractual Amount		119,951	84,732
Fair Values, Assets	[1]	23	50
Fair Values, Liabilities	[1]	109	105
Derivatives Not Designated as Hedging Instruments [Member] | Forward Commitments to Sell Residential Mortgage Loans [Member]
Derivatives, Fair Value [Line Items]
Notional or Contractual Amount		80,462	75,676
Fair Values, Assets	[1]	1,000	900
Fair Values, Liabilities	[1]	290	221
Derivatives Not Designated as Hedging Instruments [Member] | Interest Rate-Lock Commitments on Residential Mortgage Loans [Member]
Derivatives, Fair Value [Line Items]
Notional or Contractual Amount		53,724	46,840
Fair Values, Assets	[1]	186	189
Fair Values, Liabilities	[1]	782	228
Derivatives Not Designated as Hedging Instruments [Member] | Foreign Exchange Forward Contracts [Member]
Derivatives, Fair Value [Line Items]
Notional or Contractual Amount		42,260	56,152
Fair Values, Assets	[1]	2,453	771
Fair Values, Liabilities	[1]	2,419	729
Other Assets [Member]
Derivatives, Fair Value [Line Items]
Fair Values, Assets	[1]	19,070	20,315
Total derivative assets/liabilities	[1]	14,157	20,315
Other Assets [Member] | Derivatives Not Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Fair Values, Assets	[1]	19,070	20,315
Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair Values, Liabilities	[1]	35,952	27,432
Total derivative assets/liabilities	[1]	14,389	27,432
Other Liabilities [Member] | Derivatives Not Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Fair Values, Liabilities	[1]	19,457	19,645
Cash Flow Hedge [Member] | Derivatives Designated as Hedging Instruments [Member] | Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Notional or Contractual Amount		875,000	1,100,000
Fair Values, Liabilities	[1]	14,020	$ 7,787
Fair Value Hedging [Member] | Derivatives Designated as Hedging Instruments [Member] | Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Notional or Contractual Amount		483,110
Fair Values, Liabilities	[1]	$ 2,475

[1] Derivative assets and liabilities are reported with other assets or other liabilities, respectively, in the consolidated balance sheets.

[2] Represents balance sheet netting of derivative assets and liabilities for variation margin collateral held or placed with the same central clearing counterparty. See offsetting assets and liabilities for further information.

[3] The notional amount represents both the customer accommodation agreements and offsetting agreements with unrelated financial institutions.Represents balance sheet netting of derivative assets and liabilities for variation margin collateral held or placed with the same central clearing counterparty. See offsetting assets and liabilities for further information.

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Derivatives (Offsetting Derivative Assets and Liabilities Subject to Master Netting Arrangements) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Derivatives [Abstract]
Gross Amounts Recognized, Derivative Assets	$ 7,155	$ 4,788
Gross Amounts Offset in the Statement of Financial Position, Derivative Assets	(5,007)
Net Amounts Presented in the Statement of Financial Position, Derivative Assets	2,148	4,788
Gross Amounts Not Offset in the Statement of Financial Position - Financial Instruments, Derivative Assets	2,148	4,788
Gross Amounts Not offset in the Statement of Financial Position - Cash Collateral, Derivative Assets
Net Amounts Presented in the Statement of Financial Position, Derivative Assets
Gross Amounts Recognized, Derivative Liabilities	24,015	26,846
Gross Amounts Offset in the Statement of Financial Position, Derivative Liabilities	(20,077)
Net Amounts Presented in the Statement of Financial Position, Derivative Liabilities	3,938	26,846
Gross Amounts Not Offset in the Statement of Financial Position - Financial Instruments, Derivative Liabilities	2,148	4,788
Gross Amounts Not offset in the Statement of Financial Position -Cash Collateral, Derivative Liabilities	4,099	19,095
Net Amounts Presented in the Statement of Financial Position, Derivative Liabilities		$ 2,963
Net Amount, Derivative Liabilities	$ (2,309)

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Stockholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Dec. 16, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Aug. 28, 2015
Equity, Class of Treasury Stock [Line Items]
Proceeds from issuance of common stock	$ 259,000			$ 259,299
Treasury stock shares			1,200,000	1,300,000
Treasury stock, Carry basis			$ 25,500	$ 24,100
Tax computed at statutory rate			35.00%	35.00%	35.00%
Reclassification of certain tax effects
Restricted Stock [Member]
Equity, Class of Treasury Stock [Line Items]
Number of shares nonvested			1,500,000	2,000,000
2015 Stock Repurchase Plan [Member]
Equity, Class of Treasury Stock [Line Items]
Shares authorized for repurchase						5.00%
Number of shares authorized for repurchase						3,900,000
Stock repurchase plan expiration date			Sep. 01, 2016
Repurchased common stock shares			0	0
Common Stock [Member]
Equity, Class of Treasury Stock [Line Items]
Shares sold, price per share	$ 41.00
Shares sold	6,300,000
Reclassification of certain tax effects
Hancock Holding Company [Member]
Equity, Class of Treasury Stock [Line Items]
Proceeds from issuance of common stock			$ 15,312	$ 262,961	$ 347
Minimum risk-based capital ratio			8.00%	8.00%
Minimum Tier 1 capital ratio			6.00%	6.00%
Minimum Tier 1 leverage capital ratio			4.00%	4.00%
Minimum Tier 1 common equity			4.50%	4.50%
Well capitalized total risk based capital ratio			10.00%	10.00%
Well capitalized Tier 1 risk-based capital ratio			8.00%	8.00%
Well capitalized Tier 1 leverage capital ratio			5.00%	5.00%
Well capitalized Tier 1 common equity			6.50%	6.50%
Bank Holding Companies and Banks that Meet Certain Criteria [Member]
Equity, Class of Treasury Stock [Line Items]
Minimum Tier 1 leverage capital ratio			3.00%
Scenario, Plan [Member]
Equity, Class of Treasury Stock [Line Items]
Tax computed at statutory rate		21.00%

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Stockholders' Equity (Components of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		$ (120,532)
Net change in unrealized gain (loss)		(425)	$ (57,346)	$ (21,270)
Reclassification of net (gain) loss realized and included in earnings		5,801	4,016	3,010
Valuation adjustment for pension plan amendment		17,315
Other valuation adjustments for employee benefit plans		(10,929)	(12,748)	(33,971)
Amortization of unrealized net loss on securities transferred to held to maturity		3,786	3,830	3,530
Income tax expense (benefit)		(4,088)	22,311	18,180
Reclassification of certain tax effects
Ending Balance		(134,402)	(120,532)
Available for Sale Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		(28,679)	4,268	18,001
Net change in unrealized gain (loss)		6,903	(49,839)	(21,581)
Reclassification of net (gain) loss realized and included in earnings			(1,912)	(165)
Valuation adjustment for pension plan amendment
Valuation adjustment for employee benefit plans
Other valuation adjustments for employee benefit plans
Amortization of unrealized net loss on securities transferred to held to maturity
Income tax expense (benefit)		1,067	(18,804)	(8,013)
Reclassification of certain tax effects	[1]	(6,669)
Ending Balance		(29,512)	(28,679)	4,268
HTM Securities Transferred from AFS [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		(14,392)	(16,795)	(19,074)
Net change in unrealized gain (loss)
Reclassification of net (gain) loss realized and included in earnings
Valuation adjustment for pension plan amendment
Valuation adjustment for employee benefit plans
Other valuation adjustments for employee benefit plans
Amortization of unrealized net loss on securities transferred to held to maturity		3,786	3,830	3,530
Income tax expense (benefit)		1,393	1,427	1,251
Reclassification of certain tax effects	[1]	(2,586)
Ending Balance		(14,585)	(14,392)	(16,795)
Employee Benefit Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		(72,501)	(67,890)	(48,626)
Net change in unrealized gain (loss)
Reclassification of net (gain) loss realized and included in earnings		5,201	5,928	3,175
Valuation adjustment for pension plan amendment		(17,315)
Valuation adjustment for employee benefit plans			(12,748)	(33,971)
Other valuation adjustments for employee benefit plans		(10,929)
Amortization of unrealized net loss on securities transferred to held to maturity
Income tax expense (benefit)		4,228	(2,209)	(11,532)
Reclassification of certain tax effects	[1]	(13,936)
Ending Balance		(79,078)	(72,501)	(67,890)
Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		(4,960)	(178)	(375)
Net change in unrealized gain (loss)		(7,328)	(7,507)	311
Reclassification of net (gain) loss realized and included in earnings		600
Valuation adjustment for pension plan amendment
Valuation adjustment for employee benefit plans
Other valuation adjustments for employee benefit plans
Amortization of unrealized net loss on securities transferred to held to maturity
Income tax expense (benefit)		(2,600)	(2,725)	114
Reclassification of certain tax effects	[1]	(2,139)
Ending Balance		(11,227)	(4,960)	(178)
Accumulated Other ComprehensiveLoss, Net [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		(120,532)	(80,595)	(50,074)
Net change in unrealized gain (loss)		(425)	(57,346)	(21,270)
Reclassification of net (gain) loss realized and included in earnings		5,801	4,016	3,010
Valuation adjustment for pension plan amendment		(17,315)
Valuation adjustment for employee benefit plans			(12,748)	(33,971)
Other valuation adjustments for employee benefit plans		(10,929)
Amortization of unrealized net loss on securities transferred to held to maturity		3,786	3,830	3,530
Income tax expense (benefit)		4,088	(22,311)	(18,180)
Reclassification of certain tax effects	[1]	(25,330)
Ending Balance		(134,402)	(120,532)	$ (80,595)
Amount Reclassified from Accumulated Other Comprehensive Income [Member] | Employee Benefit Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Valuation adjustment for pension plan amendment	[2],[3]	$ (5,201)	$ (5,928)

[1] Represents the reclassification of stranded income tax effects to Retained Earnings upon adoption of ASU 2018-02. The adjustment is discussed in more detail later in this footnote.

[2] Amounts in parenthesis indicate reduction in net income.

[3] These AOCI components are included in the computation of net periodic pension and post-retirement cost that is reported with employee benefits expense (see footnote 16 for additional information).

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Stockholders' Equity (Line Items in Consolidated Income Statements Affected by Amounts Reclassified from Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2017	Dec. 31, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of defined benefit pension and post-retirement items		$ 17,315
Available for Sale Securities [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of defined benefit pension and post-retirement items
HTM Securities Transferred from AFS [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of defined benefit pension and post-retirement items
Employee Benefit Plans [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of defined benefit pension and post-retirement items		(17,315)
Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of defined benefit pension and post-retirement items
Amount Reclassified from Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications, net of tax	[1]	(6,064)	$ (5,193)
Amount Reclassified from Accumulated Other Comprehensive Income [Member] | Available for Sale Securities [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gain on sale of AFS securities	[1]		1,912
Tax effect	[1]		(694)
Net of tax	[1]		1,218
Amount Reclassified from Accumulated Other Comprehensive Income [Member] | HTM Securities Transferred from AFS [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of unrealized net loss on securities transferred to HTM	[1]	(3,786)	(3,830)
Tax effect	[1]	1,393	1,427
Net of tax	[1]	(2,393)	(2,403)
Amount Reclassified from Accumulated Other Comprehensive Income [Member] | Employee Benefit Plans [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of defined benefit pension and post-retirement items	[1],[2]	(5,201)	(5,928)
Tax effect	[1]	1,898	1,920
Net of tax	[1]	(3,303)	$ (4,008)
Amount Reclassified from Accumulated Other Comprehensive Income [Member] | Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of loss on terminated cash flash hedges	[1]	(600)
Tax effect	[1]	232
Net of tax	[1]	$ (368)

[1] Amounts in parenthesis indicate reduction in net income.

[2] These AOCI components are included in the computation of net periodic pension and post-retirement cost that is reported with employee benefits expense (see footnote 16 for additional information).

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Stockholders' Equity (Compliance with Regulatory Capital Requirements) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Hancock Holding Company [Member]
Tier 1 leverage capital, Actual, Amount	$ 2,214,723	$ 2,184,812
Common equity tier 1 (to risk weighted assets), Actual, Amount	2,214,723	2,184,812
Tier 1 capital (to risk weighted assets), Actual, Amount	2,214,723	2,184,812
Total capital (to risk weighted assets), Actual, Amount	$ 2,582,031	$ 2,564,230
Tier 1 leverage capital, Actual, Ratio %	8.43%	9.56%
Common equity tier 1 (to risk weighted assets), Actual, Ratio %	10.21%	11.26%
Tier 1 capital (to risk weighted assets), Actual, Ratio %	10.21%	11.26%
Total capital (to risk weighted assets), Actual, Ratio %	11.90%	13.21%
Tier 1 leverage capital, Required for Minimum Capital Adequacy, Amount	$ 1,051,025	$ 914,520
Common equity tier 1 (to risk weighted assets), Required for Minimum Capital Adequacy, Amount	976,303	873,192
Tier 1 capital (to risk weighted assets), Required for Minimum Capital Adequacy, Amount	1,301,738	1,164,256
Total capital (to risk weighted assets), Required for Minimum Capital Adequacy, Amount	$ 1,735,650	$ 1,552,341
Tier 1 leverage capital, Required for Minimum Capital Adequacy, Ratio %	4.00%	4.00%
Common equity tier 1 (to risk weighted assets), Required for Minimum Capital Adequacy, Ratio %	4.50%	4.50%
Tier 1 capital (to risk weighted assets), Required for Minimum Capital Adequacy, Ratio %	6.00%	6.00%
Total capital (to risk weighted assets), Required for Minimum Capital Adequacy, Ratio %	8.00%	8.00%
Tier 1 leverage capital, Required To Be Well Capitalized, Amount	$ 1,313,781	$ 1,143,150
Common equity tier 1 (to risk weighted assets), Required To Be Well Capitalized, Amount	1,410,216	1,261,277
Tier 1 capital (to risk weighted assets), Required To Be Well Capitalized, Amount	1,735,650	1,552,341
Total capital (to risk weighted assets), Required To Be Well Capitalized, Amount	$ 2,169,563	$ 1,940,427
Tier 1 leverage capital, Required To Be Well Capitalized, Ratio %	5.00%	5.00%
Common equity tier 1 (to risk weighted assets), Required To Be Well Capitalized, Ratio %	6.50%	6.50%
Tier 1 capital (to risk weighted assets), Required To Be Well Capitalized, Ratio %	8.00%	8.00%
Total capital (to risk weighted assets), Required To Be Well Capitalized, Ratio %	10.00%	10.00%
Whitney Bank [Member]
Tier 1 leverage capital, Actual, Amount	$ 2,282,485	$ 2,011,719
Common equity tier 1 (to risk weighted assets), Actual, Amount	2,282,485	2,011,719
Tier 1 capital (to risk weighted assets), Actual, Amount	2,282,485	2,011,719
Total capital (to risk weighted assets), Actual, Amount	$ 2,499,793	$ 2,241,137
Tier 1 leverage capital, Actual, Ratio %	8.72%	8.83%
Common equity tier 1 (to risk weighted assets), Actual, Ratio %	10.54%	10.39%
Tier 1 capital (to risk weighted assets), Actual, Ratio %	10.54%	10.39%
Total capital (to risk weighted assets), Actual, Ratio %	11.55%	11.57%
Tier 1 leverage capital, Required for Minimum Capital Adequacy, Amount	$ 1,046,644	$ 911,091
Common equity tier 1 (to risk weighted assets), Required for Minimum Capital Adequacy, Amount	974,362	871,361
Tier 1 capital (to risk weighted assets), Required for Minimum Capital Adequacy, Amount	1,299,150	1,161,815
Total capital (to risk weighted assets), Required for Minimum Capital Adequacy, Amount	$ 1,732,200	$ 1,549,086
Tier 1 leverage capital, Required for Minimum Capital Adequacy, Ratio %	4.00%	4.00%
Common equity tier 1 (to risk weighted assets), Required for Minimum Capital Adequacy, Ratio %	4.50%	4.50%
Tier 1 capital (to risk weighted assets), Required for Minimum Capital Adequacy, Ratio %	6.00%	6.00%
Total capital (to risk weighted assets), Required for Minimum Capital Adequacy, Ratio %	8.00%	8.00%
Tier 1 leverage capital, Required To Be Well Capitalized, Amount	$ 1,308,305	$ 1,138,864
Common equity tier 1 (to risk weighted assets), Required To Be Well Capitalized, Amount	1,407,412	1,258,633
Tier 1 capital (to risk weighted assets), Required To Be Well Capitalized, Amount	1,732,200	1,549,086
Total capital (to risk weighted assets), Required To Be Well Capitalized, Amount	$ 2,165,250	$ 1,936,358
Tier 1 leverage capital, Required To Be Well Capitalized, Ratio %	5.00%	5.00%
Common equity tier 1 (to risk weighted assets), Required To Be Well Capitalized, Ratio %	6.50%	6.50%
Tier 1 capital (to risk weighted assets), Required To Be Well Capitalized, Ratio %	8.00%	8.00%
Total capital (to risk weighted assets), Required To Be Well Capitalized, Ratio %	10.00%	10.00%

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Other Noninterest Income and Other Noninterest Expense (Components of Other Noninterest Income and Other Noninterest Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Other noninterest income:
Income from bank-owned life insurance	$ 11,473	$ 13,596	$ 10,881
Credit-related fees	11,140	9,926	11,057
Income from derivatives	5,870	5,196	2,745
Gain on sales of assets	7,478	7,814	186
Other miscellaneous income	13,814	10,950	11,092
Total other noninterest income	49,775	47,482	35,961
Other noninterest expense:
Advertising	15,031	10,938	11,225
Ad valorem and franchise taxes	12,797	8,741	10,498
Printing and supplies	5,139	4,422	4,851
Travel	5,043	4,268	5,331
Entertainment and contributions	8,260	7,122	6,723
Tax credit investment amortization	4,850	4,263	8,513
Loss share agreement termination	6,603
Other miscellaneous expense	24,913	32,810	25,062
Total other noninterest expense	$ 82,636	$ 72,564	$ 72,203

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Income Taxes (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax [Line Items]
Tax computed at statutory rate		35.00%	35.00%	35.00%
Tax year audited		2014
Reclassification of certain tax effects from accumulated other comprehensive loss
Change in provisional tax benefit		5.8
Re-measurement to income tax expense		19.5
Income tax benefit from AMT credit carryover		10.2
Scenario, Plan [Member]
Income Tax [Line Items]
Tax computed at statutory rate	21.00%
State [Member] | 2004 Through 2017 Tax Years [Member]
Income Tax [Line Items]
Net operating loss carryforwards		$ 31.4
Operating loss carryforwards, originated tax years		2004 through 2017
Net operating loss carryforwards, expiration date		Dec. 31, 2024
Federal And State [Member] | From 2011 Through 2017 Tax Years [Member]
Income Tax [Line Items]
Tax credit carryforwards		$ 21.3
Tax credit carryforwards, originated tax years		2011 through 2017
Minimum [Member] | Federal And State [Member] | From 2011 Through 2017 Tax Years [Member]
Income Tax [Line Items]
Tax credit carryforwards, expiration date		Dec. 31, 2021
Maximum [Member] | Federal And State [Member] | From 2011 Through 2017 Tax Years [Member]
Income Tax [Line Items]
Tax credit carryforwards, expiration date		Dec. 31, 2035

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Income Taxes (Income Tax Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Taxes [Abstract]
Current federal	$ 38,859	$ 43,777	$ 17,378
Current state	4,112	1,689	4,241
Total current provision	42,971	45,466	21,619
Deferred federal	48,653	(6,127)	15,457
Deferred state	1,178	(1,712)	1,228
Total deferred provision	49,831	(7,839)	16,685
Total included in net income	$ 92,802	$ 37,627	$ 38,304

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Income Taxes (Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Income Taxes [Abstract]
Allowance for loan losses	$ 51,517	$ 89,120
Employee compensation and benefits	9,783	28,401
Loan purchase accounting adjustments	6,441	12,047
Tax credit carryforward	21,274	29,085
Securities	12,250	23,169
State net operating loss	1,979	1,690
Other	15,407	14,583
Gross deferred tax assets	118,651	198,095
State valuation allowance	(1,979)	(1,690)
Subtotal valuation allowance	(1,979)	(1,690)
Net deferred tax assets	116,672	196,405
Fixed assets & intangibles	(56,526)	(74,518)
FDIC indemnification asset		(6,293)
Other	(6,167)	(11,159)
Gross deferred tax liabilities	(62,693)	(91,970)
Net deferred tax asset	$ 53,979	$ 104,435

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Income Taxes (Effective Income Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Taxes computed at statutory rate, amount	$ 107,952	$ 65,423	$ 59,418
State income taxes, net of federal income tax benefit, amount	4,737	1,917	2,595
Tax-exempt interest, amount	(18,870)	(14,497)	(7,849)
Life insurance contracts	(5,360)	(4,833)	(3,798)
Tax credits, amount	(9,374)	(10,518)	(12,495)
Employee share-based compensation	(5,824)
Impact of deferred tax asset re-measurement	19,520
Other, net, amount	21	135	433
Total included in net income	$ 92,802	$ 37,627	$ 38,304
Taxes computed at statutory rate	35.00%	35.00%	35.00%
State income taxes, net of federal income tax benefit	1.50%	1.00%	1.50%
Tax-exempt interest	(6.10%)	(7.80%)	(4.60%)
Life insurance contracts	(1.70%)	(2.60%)	(2.20%)
Tax credits	(3.00%)	(5.60%)	(7.40%)
Employee share-based compensation	(1.90%)
Impact of deferred tax asset re-measurement	6.30%
Other, net		0.10%	0.30%
Income tax expense	30.10%	20.10%	22.60%
Hancock Holding Company [Member]
Total included in net income	$ (6,324)	$ (6,617)	$ (6,334)

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Earnings Per Share (Narrative) (Details) - shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Earnings Per Share [Abstract]
Weighted-average anti-dilutive potential common shares	10,551	572,512	798,623

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Earnings Per Share (Computation of Earnings Per Common Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net income to common shareholders	$ 215,632	$ 149,296	$ 131,461
Net income allocated to participating securities - basic and diluted	4,670	3,598	2,895
Net income allocated to common shareholders - basic and diluted	$ 210,962	$ 145,698	$ 128,566
Weighted-average common shares - basic	84,695	77,850	78,197
Dilutive potential common shares	268	99	110
Weighted-average common shares - diluted	84,963	77,949	78,307
Earnings per common share: Basic	$ 2.49	$ 1.87	$ 1.64
Earnings per common share: Diluted	$ 2.48	$ 1.87	$ 1.64
Hancock Holding Company [Member]
Net income to common shareholders	$ 215,632	$ 149,296	$ 131,461

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Segment Reporting (Narrative) (Details) - segment		12 Months Ended
	Mar. 31, 2014	Dec. 31, 2017
Segment Reporting [Abstract]
Number of bank charters	2	1

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Retirement Benefit Plans (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Newly eligible associates initial savings rate		3.00%
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer contributions		$ 1,132	$ 16,123
Funded status at end of year-net asset (liability)		50,521	36,274
Excess of plan assets over the benefit obligation		66,200
Unfunded benefit obligation		15,700
Estimated amounts of actuarial loss that will be amortized from AOCI into net periodic benefit cost over the next year		4,000
Pension assets		564,365	515,555	$ 491,550
Benefit obligation		$ 513,844	479,281	462,819
Hancock Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Minimum age for increase in per capita cost of health care benefit		55 years
Years of credited service reaching 55 years of age		10 years
Increase (decrease) in pre- and post-medicare age health costs rate		8.00%
Period of assumed health rate decline		10 years
Decrease in ultimate rate over a period of time		5.00%
Whitney 401K Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer contributions		$ 8,400	$ 7,700	$ 7,400
Minimum age for increase in per capita cost of health care benefit		55 years
Years of credited service reaching 55 years of age		10 years
Amended Hancock Pension Plan And 401K Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation decreased	$ 17,300
Amended Hancock 401K Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Period of employment for eligibility		3 years
Additional matching percentage	2.00%
First 1% Of Contribution Saved [Member]
Defined Benefit Plan Disclosure [Line Items]
Matching percentage		100.00%
Percentage of compensation saved		1.00%
Next 5% Of Contribution Saved [Member]
Defined Benefit Plan Disclosure [Line Items]
Matching percentage		50.00%
Percentage of compensation saved		5.00%
2% Of Contribution [Member] | Amended Hancock 401K Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Matching percentage	2.00%
4% Of Contribution [Member] | Amended Hancock 401K Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Matching percentage	4.00%
6% Of Contribution [Member] | Amended Hancock 401K Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Matching percentage	6.00%

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Retirement Benefit Plans (Changes in Benefit Obligations and Plan Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation: at beginning of year	$ 479,281	$ 462,819
Service cost	15,381	14,098	$ 13,511
Interest cost	16,514	16,907	18,635
Plan participants' contributions
Plan amendments	(17,315)
Net actuarial (gain) loss	39,419	16,944
Benefits paid	(19,436)	(31,487)
Benefit obligation, end of year	513,844	479,281	462,819
Fair value of plan assets: at beginning of year	515,555	491,550
Actual return on plan assets	68,307	40,375
Employer contributions	1,132	16,123
Benefit payments	(19,436)	(31,487)
Expenses	(1,193)	(1,006)
Fair value of plan assets, end of year	564,365	515,555	491,550
Funded status at end of year-net asset (liability)				$ 50,521	$ 36,274
Unrecognized loss: at beginning of year	115,910	109,565
Net actuarial loss (gain)	(12,932)	6,345
Unrecognized loss at end of year	102,978	115,910	109,565
Projected benefit obligation	479,281	462,819	462,819	513,844	479,281
Accumulated benefit obligation				489,075	443,261
Fair value of plan assets	515,555	491,550	491,550	564,365	515,555
Other Post-Retirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation: at beginning of year	22,481	22,281
Service cost	129	170	117
Interest cost	668	773	891
Plan participants' contributions	636	1,269
Plan amendments		(1,224)
Net actuarial (gain) loss	993	1,844
Benefits paid	(1,871)	(2,632)
Benefit obligation, end of year	23,036	22,481	22,281
Fair value of plan assets: at beginning of year
Actual return on plan assets
Employer contributions	1,235	1,363
Benefit payments	(1,871)	(2,632)
Expenses
Fair value of plan assets, end of year
Funded status at end of year-net asset (liability)				(23,036)	(22,481)
Unrecognized loss: at beginning of year	(2,078)	(2,553)
Net actuarial loss (gain)	1,346	475
Unrecognized loss at end of year	(732)	(2,078)	(2,553)
Projected benefit obligation	22,481	22,281	22,281	23,036	22,481
Fair value of plan assets

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Retirement Benefit Plans (Components of Net Periodic Benefits Cost) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost		$ 15,381	$ 14,098	$ 13,511
Interest cost		16,514	16,907	18,635
Expected return on plan assets		(37,632)	(34,554)	(32,833)
Amortization of net loss/ prior service cost		5,554	5,783	3,169
Net periodic benefit cost		(183)	2,234	2,482
Net (loss) gain recognized during the year		(5,554)	(5,783)	(3,169)
Net actuarial loss (gain)		(7,378)	12,128	39,876
Total recognized in other comprehensive income		(12,932)	6,345	36,707
Total recognized in net periodic benefit cost and other comprehensive income		$ (13,115)	$ 8,579	$ 39,189
Discount rate for benefit obligations		3.57%	4.10%	4.40%
Discount rate for net periodic benefit cost		4.10%	4.40%	4.11%
Expected long-term return on plan assets		7.25%	7.25%	7.50%
Rate of compensation increase	[1]
Pension Benefits [Member] | Graded Scale, At Age 20 [Member]
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase		7.00%	7.00%	7.00%
Pension Benefits [Member] | Graded Scale, At Age 60 [Member]
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase		2.00%	2.00%	2.00%
Other Post-Retirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost		$ 129	$ 170	$ 117
Interest cost		668	773	891
Amortization of net loss/ prior service cost		(353)	145	6
Net periodic benefit cost		444	1,088	1,014
Net (loss) gain recognized during the year		353	(145)	(6)
Net actuarial loss (gain)		993	620	(5,905)
Total recognized in other comprehensive income		1,346	475	(5,911)
Total recognized in net periodic benefit cost and other comprehensive income		$ 1,790	$ 1,563	$ (4,897)
Discount rate for benefit obligations		3.52%	3.95%	4.32%
Discount rate for net periodic benefit cost		3.95%	4.32%	4.02%

[1] Graded scale, declining from 7.00% at age 20 to 2.00% at age 60

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Retirement Benefit Plans (Expected Plan Benefit Payments) (Details) $ in Thousands	Dec. 31, 2017 USD ($)
Defined Benefit Plan Disclosure [Line Items]
2018	$ 22,489
2019	23,233
2020	24,232
2021	25,285
2022	26,144
2023-2027	146,608
Total	267,991
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
2018	21,143
2019	21,869
2020	22,882
2021	23,881
2022	24,824
2023-2027	140,214
Total	254,813
Other Post-Retirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
2018	1,346
2019	1,364
2020	1,350
2021	1,404
2022	1,320
2023-2027	6,394
Total	$ 13,178

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Retirement Benefit Plans (Assumed Health Care Cost Trend Rates) (Details) - Other Post-Retirement Benefits [Member] $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Aggregated service and interest cost, 1% Decrease in Rates	$ 722
Postretirement benefit obligation, 1% Decrease in Rates	20,964
Aggregated service and interest cost, Assumed Rates	797
Postretirement benefit obligation, Assumed Rates	23,036
Aggregated service and interest cost, 1% Increase in Rates	889
Postretirement benefit obligation, 1% Increase in Rates	$ 25,564

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Retirement Benefit Plans (Fair Values of Pension Plan Assets) (Details) - Pension Benefits [Member] - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 564,365	$ 515,555	$ 491,550
Cash And Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5,496	15,568
Total Cash and Cash-Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5,496	15,568
Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	113,331	136,085
Mutual Fund-Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	31,839	48,805
Total Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	145,170	184,890
Domestic And Foreign Stock [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	102,422	104,461
Mutual Funds-Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	168,299	157,630
Total Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	270,721	262,091
Real Assets Fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		27,690
Total Real Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	421,387	490,239
Common Trust Fund (Fixed Income) [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	114,068	25,316
Common Trust Fund (Real Assets) [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	28,910
Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	308,050	354,148
Level 1 [Member] | Cash And Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5,496	15,568
Level 1 [Member] | Total Cash and Cash-Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5,496	15,568
Level 1 [Member] | Mutual Fund-Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	31,839	48,805
Level 1 [Member] | Total Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	31,839	48,805
Level 1 [Member] | Domestic And Foreign Stock [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	102,416	104,455
Level 1 [Member] | Mutual Funds-Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	168,299	157,630
Level 1 [Member] | Total Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	270,715	262,085
Level 1 [Member] | Real Assets Fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		27,690
Level 1 [Member] | Total Real Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	308,050	354,148
Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	113,175	136,091
Level 2 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	113,169	136,085
Level 2 [Member] | Total Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	113,169	136,085
Level 2 [Member] | Domestic And Foreign Stock [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	6	6
Level 2 [Member] | Total Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	6	6
Level 2 [Member] | Total Real Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	113,175	$ 136,091
Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	162
Level 3 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	162
Level 3 [Member] | Total Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	162
Level 3 [Member] | Total Real Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 162

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Retirement Benefit Plans (Percentage and Target Allocations) (Details)	Dec. 31, 2017	Dec. 31, 2016
Defined Benefit Plan Disclosure [Line Items]
Plan Assets	100.00%	100.00%
Cash And Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan Assets	1.00%	3.00%
Cash And Equivalents [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	0.00%	0.00%
Cash And Equivalents [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	5.00%	5.00%
Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan Assets	46.00%	41.00%
Fixed Income Securities [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	35.00%	25.00%
Fixed Income Securities [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	63.00%	65.00%
Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan Assets	48.00%	51.00%
Equity Securities [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	35.00%	30.00%
Equity Securities [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	51.00%	60.00%
Real Assets Fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan Assets	5.00%	5.00%
Real Assets Fund [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	0.00%	0.00%
Real Assets Fund [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	12.00%	10.00%

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Share-Based Payment Arrangements (Narrative) (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) entity $ / shares shares	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation recognized | $	$ 17,600	$ 14,300	$ 12,900
Recognized tax benefit related to share-based compensation | $	$ 13,300	5,200	4,800
Percentage where an option price is equal to market price	110.00%
Service period	5 years
Term of option award vest, contractual term	10 years
2014 Long Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate awards authorized for grant	1,200,000
Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Intrinsic value of options exercised | $	$ 4,300	500	$ 20
Options [Member] | 2014 Long Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate awards authorized for grant	2,996,357
Maximum number of shares which may be granted to participant	100,000
Shares available for future issuance	1,600,000
Restricted and Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation expense | $	$ 50,600
Weighted-average period	3 years 6 months
Total fair value of shares vested | $	$ 26,300	$ 11,500
Shares granted	525,258
Grant date fair value per share | $ / shares	$ 45.71
Executive Management [Member] | Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Service period	3 years
Executive Management [Member] | Performance Shares [Member] | Total Shareholder Return [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	23,489
Grant date fair value per share | $ / shares	$ 42.92
Vesting performance period	3 years
Number of peer group regional banks | entity	43
Executive Management [Member] | Performance Shares [Member] | Core Earnings Per Share [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	23,489
Grant date fair value per share | $ / shares	$ 38.26
Vesting performance period	2 years
Executive Management [Member] | Tranche One [Member] | Performance Shares [Member] | Total Shareholder Return [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of maximum number of shares vested	200.00%

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Share-Based Payment Arrangements (Summary of Option Activity) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate Intrinsic Value, Outstanding at Beginning	$ 3,734
Aggregate Intrinsic Value, Outstanding at Ending		$ 3,734
Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Outstanding at Beginning	456,258
Number of Shares, Exercised	(350,744)
Number of Shares, Cancelled/Forfeited	(538)
Number of Shares, Expired	(16,675)
Number of Shares, Outstanding at Ending	88,301	456,258
Number of Shares, Exercisable at Ending	88,301
Weighted Average Exercise Price, Outstanding at Beginning	$ 35.91
Weighted Average Exercise Price, Exercised	34.65
Weighted Average Exercise Price, Cancelled/Forfeited	32.09
Weighted Average Exercise Price, Expired	68.18
Weighted Average Exercise Price, Outstanding at Ending	34.84	$ 35.91
Weighted Average Exercise Price, Exercisable at Ending	$ 34.84
Weighted Average Remaining Contractual Term (Years)	2 years 9 months 18 days	3 years 6 months
Weighted Average Remaining Contractual Term (Years), Exercisable at Ending	2 years 9 months 18 days
Aggregate Intrinsic Value, Exercised	$ 4,304
Aggregate Intrinsic Value, Cancelled/Forfeited	6
Aggregate Intrinsic Value, Outstanding at Ending	1,294
Aggregate Intrinsic Value, Exercisable at Ending	$ 1,294

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Share-Based Payment Arrangements (Summary of Nonvested Restricted and Performance Shares) (Details) - Restricted and Performance Shares [Member]	12 Months Ended
	Dec. 31, 2017 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Nonvested at Beginning | shares	2,152,119
Number of Shares, Granted | shares	525,258
Number of Shares, Vested | shares	(906,944)
Number of Shares, Cancelled/Forfeited | shares	(61,491)
Number of Shares, Nonvested at Ending | shares	1,708,942
Weighted Average Grant Date Fair Value, Nonvested at Beginning | $ / shares	$ 32.12
Weighted Average Grant Date Fair Value, Granted | $ / shares	45.71
Weighted Average Grant Date Fair Value, Vested | $ / shares	30.66
Weighted Average Grant Date Fair Value, Cancelled/Forfeited | $ / shares	32.57
Weighted Average Grant Date Fair Value, Nonvested at Ending | $ / shares	$ 37.05

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Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Commitments and Contingencies [Abstract]
Rental expense	$ 17.0	$ 11.7	$ 13.3

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Commitments and Contingencies (Off-Balance Sheet Financial Instruments) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Commitments to Extend Credit [Member]
Loss Contingencies [Line Items]
Contract amounts	$ 6,689,033	$ 5,878,290
Letters of Credit [Member]
Loss Contingencies [Line Items]
Contract amounts	$ 348,377	$ 338,014

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Commitments and Contingencies (Future Minimum Lease Payments for Non-Cancelable Operating Leases) (Details) $ in Thousands	Dec. 31, 2017 USD ($)
Commitments and Contingencies [Abstract]
2018	$ 16,307
2019	15,466
2020	13,815
2021	12,317
2022	12,099
Thereafter	81,826
Total minimum lease payments	$ 151,830

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Fair Value of Financial Instruments (Narrative) (Details) - Recurring [Member]	12 Months Ended
	Dec. 31, 2017 USD ($)
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Transfers of assets and liabilities between level 1 and 2	$ 0
Investment Securities [Member] | Minimum [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Targeted duration	2 years
Investment Securities [Member] | Maximum [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Targeted duration	5 years

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Fair Value of Financial Instruments (Financial Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands		Dec. 31, 2017	Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale debt securities		$ 2,910,869	$ 2,516,908
Derivative assets		2,148	4,788
Derivative liabilities		3,938	26,846
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale debt securities		2,910,869	2,516,908
Derivative assets		14,157	20,315
Derivative liabilities		14,389	27,432
Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale debt securities		2,910,869	2,516,908
Derivative assets	[1]	14,157	20,315
Total recurring fair value measurements - assets		2,925,026	2,537,223
Derivative liabilities	[1]	14,389	27,432
Total recurring fair value measurements - liabilities		14,389	27,432
Recurring [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale debt securities		2,910,869	2,516,908
Derivative assets	[1]	14,157	20,315
Total recurring fair value measurements - assets		2,925,026	2,537,223
Derivative liabilities	[1]	14,389	27,432
Total recurring fair value measurements - liabilities		14,389	27,432
Recurring [Member] | U.S. Treasury And Government Agency Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale debt securities		97,272	54,828
Recurring [Member] | U.S. Treasury And Government Agency Securities [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale debt securities		97,272	54,828
Recurring [Member] | Municipal Obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale debt securities		243,786	242,155
Recurring [Member] | Municipal Obligations [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale debt securities		243,786	242,155
Recurring [Member] | Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale debt securities		3,500	3,500
Recurring [Member] | Corporate Debt Securities [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale debt securities		3,500	3,500
Recurring [Member] | Residential Mortgage-Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale debt securities		1,715,213	1,611,355
Recurring [Member] | Residential Mortgage-Backed Securities [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale debt securities		1,715,213	1,611,355
Recurring [Member] | Commercial Mortgage-Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale debt securities		687,135	402,591
Recurring [Member] | Commercial Mortgage-Backed Securities [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale debt securities		687,135	402,591
Recurring [Member] | Collateralized Mortgage Obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale debt securities		163,963	202,479
Recurring [Member] | Collateralized Mortgage Obligations [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale debt securities		$ 163,963	$ 202,479

[1] For further disaggregation of derivative assets and liabilities, see Note 10 - Derivatives.

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Fair Value of Financial Instruments (Financial Assets Measured at Fair Value on Nonrecurring Basis (Details) - Nonrecurring [Member] - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	$ 184,205	$ 169,888
Other real estate owned	6,928	13,968
Total nonrecurring fair value measurements	191,133	183,856
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans	184,205	169,888
Total nonrecurring fair value measurements	184,205	169,888
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned	6,928	13,968
Total nonrecurring fair value measurements	$ 6,928	$ 13,968

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Fair Value of Financial Instruments (Estimated Fair Values of Financial Instruments) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	$ 2,910,869	$ 2,516,908
Held to maturity securities	2,977,511	2,500,220
Derivative financial instruments	2,148	4,788
Derivative financial instruments	3,938	26,846
Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash, interest-bearing bank deposits, and federal funds sold	479,332	450,866
Federal funds purchased	140,754	2,275
Securities sold under agreements to repurchase	430,569	358,131
Short-term FHLB Borrowings	1,132,567	865,000
Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	2,910,869	2,516,908
Held to maturity securities	2,962,010	2,470,117
Loans, net	184,205	169,888
Loans held for sale	39,865	34,064
Derivative financial instruments	14,157	20,315
Long-term debt	303,631	435,747
Derivative financial instruments	14,389	27,432
Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	18,403,303	16,326,961
Deposits	22,238,847	19,430,939
Total Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash, interest-bearing bank deposits, and federal funds sold	479,332	450,866
Available for sale debt securities	2,910,869	2,516,908
Held to maturity securities	2,962,010	2,470,117
Loans, net	18,587,508	16,496,849
Loans held for sale	39,865	34,064
Derivative financial instruments	14,157	20,315
Deposits	22,238,847	19,430,939
Federal funds purchased	140,754	2,275
Securities sold under agreements to repurchase	430,569	358,131
Short-term FHLB Borrowings	1,132,567	865,000
Long-term debt	303,631	435,747
Derivative financial instruments	14,389	27,432
Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash, interest-bearing bank deposits, and federal funds sold	479,332	450,866
Available for sale debt securities	2,910,869	2,516,908
Held to maturity securities	2,977,511	2,500,220
Loans, net	18,786,855	16,522,733
Loans held for sale	39,865	34,064
Derivative financial instruments	14,157	20,315
Deposits	22,253,202	19,424,266
Federal funds purchased	140,754	2,275
Securities sold under agreements to repurchase	430,569	358,131
Short-term FHLB Borrowings	1,132,567	865,000
Long-term debt	305,513	436,280
Derivative financial instruments	$ 14,389	$ 27,432

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Condensed Parent Company Information (Condensed Balance Sheets) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Securities available for sale	$ 2,910,869	$ 2,516,908
Total assets	27,336,086	23,975,302
Long term debt	305,513	436,280
Other liabilities	179,852	160,008
Stockholders' equity	2,884,949	2,719,768	$ 2,413,143	$ 2,472,402
Total liabilities and stockholders' equity	27,336,086	23,975,302
Hancock Holding Company [Member]
Cash	71,328	316,457
Securities available for sale	58,521	69,210
Investment in bank subsidiaries	2,953,032	2,547,224
Investment in non-bank subsidiaries	22,670	11,204
Due from subsidiaries and other assets	14,010	27,941
Total assets	3,119,561	2,972,036
Long term debt	234,135	251,573
Other liabilities	477	695
Stockholders' equity	2,884,949	2,719,768
Total liabilities and stockholders' equity	$ 3,119,561	$ 2,972,036

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Condensed Parent Company Information (Condensed Statements of Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income tax benefit	$ 92,802	$ 37,627	$ 38,304
Net income	215,632	149,296	131,461
Other comprehensive (income) loss net of income taxes	11,460	(39,937)	(30,521)
Comprehensive income	227,092	109,359	100,940
Hancock Holding Company [Member]
Cash dividends received from bank subsidiaries	90,000	120,000	31,000
Noncash dividend from bank subsidiaries	11,708
Equity in earnings of subsidiaries greater than dividends received	124,531	39,293	111,424
Total operating income	226,239	159,293	142,424
Other expense, net	(16,931)	(16,614)	(17,297)
Income tax benefit	(6,324)	(6,617)	(6,334)
Net income	215,632	149,296	131,461
Other comprehensive (income) loss net of income taxes	11,460	(39,937)	(30,521)
Comprehensive income	$ 227,092	$ 109,359	$ 100,940

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Condensed Parent Company Information (Condensed Statements of Cash Flows) (Details) - USD ($) $ in Thousands		12 Months Ended
	Dec. 16, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net cash provided by operating activities		$ 411,085	$ 343,915	$ 235,730
Proceeds from principal paydowns of securities available for sale		213,877	173,215	9,289
Other, net		(6,824)	825	(3,604)
Net cash used in investing activities		(895,321)	(1,321,031)	(2,276,431)
Proceeds from issuance of long term debt		165	6,838	273,565
Repayments of long term debt		(204,111)	(21,271)	(157,933)
Dividends paid to stockholders		(83,266)	(76,551)	(77,013)
Repurchase of common stock				(95,613)
Proceeds from issuance of common stock	$ 259,000		259,299
Payroll tax remitted on net share settlement of equity awards		(11,881)	(3,178)	(3,385)
Net cash provided by financing activities		498,495	1,045,931	1,988,120
NET INCREASE (DECREASE) IN CASH AND DUE FROM BANKS		14,259	68,815	(52,581)
CASH AND DUE FROM BANKS, BEGINNING		372,689	303,874	356,455
CASH AND DUE FROM BANKS, ENDING		386,948	372,689	303,874
Hancock Holding Company [Member]
Cash flows from operating activities - principally dividends received from subsidiaries		111,591	122,528	33,912
Net cash provided by operating activities		111,591	122,528	33,912
Contribution of capital to subsidiary		(270,000)	(21,000)	(90)
Proceeds from principal paydowns of securities available for sale		11,015	13,827	12,863
Other, net				1,629
Net cash used in investing activities		(258,985)	(7,173)	14,402
Proceeds from issuance of long term debt				269,004
Repayments of long term debt		(17,900)	(17,900)	(149,600)
Dividends paid to stockholders		(83,266)	(77,012)	(77,474)
Repurchase of common stock				(95,613)
Proceeds from issuance of common stock		15,312	262,961	347
Payroll tax remitted on net share settlement of equity awards		(11,881)	(3,178)	(3,385)
Other, net			(133)
Net cash provided by financing activities		(97,735)	164,738	(56,721)
NET INCREASE (DECREASE) IN CASH AND DUE FROM BANKS		(245,129)	280,093	(8,407)
CASH AND DUE FROM BANKS, BEGINNING		316,457	36,364	44,771
CASH AND DUE FROM BANKS, ENDING		$ 71,328	$ 316,457	$ 36,364