10-Q

FORM 10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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

For the quarterly period ended March 31, 2016

OR

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

For the transition period from              to             

Commission File Number: 0-13322

United Bankshares, Inc.

(Exact name of registrant as specified in its charter)

West Virginia	55-0641179
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
300 United Center 500 Virginia Street, East Charleston, West Virginia	25301
(Address of principal executive offices)	Zip Code

Registrant’s telephone number, including area code: (304) 424-8716

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  x    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 (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  x    No  ¨

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

Large accelerated filer	x	Accelerated filer	¨
Non-accelerated filer	¨  (Do not check if a smaller reporting company)	Smaller reporting company	¨

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

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date.

Class - Common Stock, $2.50 Par Value; 69,712,832 shares outstanding as of April 30, 2016.

UNITED BANKSHARES, INC. AND SUBSIDIARIES

FORM 10-Q

TABLE OF CONTENTS

		Page
PART I. FINANCIAL INFORMATION
Item 1.	Financial Statements
Consolidated Balance Sheets (Unaudited) March 31, 2016 and December 31, 2015			4
Consolidated Statements of Income (Unaudited) for the Three Months Ended March 31, 2016 and 2015			5
Consolidated Statements of Comprehensive Income (Unaudited) for the Three Months Ended March 31, 2016 and 2015			7
Consolidated Statement of Changes in Shareholders’ Equity (Unaudited) for the Three Months Ended March 31, 2016			8
Condensed Consolidated Statements of Cash Flows (Unaudited) for the Three Months Ended March 31, 2016 and 2015			9
Notes to Consolidated Financial Statements			10
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations		48
Item 3.	Quantitative and Qualitative Disclosures about Market Risk		68
Item 4.	Controls and Procedures		71
PART II. OTHER INFORMATION
Item 1.	Legal Proceedings		72
Item 1A.	Risk Factors		72
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds		72
Item 3.	Defaults Upon Senior Securities		73
Item 4.	Mine Safety Disclosures		73
Item 5.	Other Information		73
Item 6.	Exhibits		73
Signatures			74
Exhibits Index			75

2

PART I - FINANCIAL INFORMATION

Item 1. FINANCIAL STATEMENTS (UNAUDITED)

The March 31, 2016 and December 31, 2015, consolidated balance sheets of United Bankshares, Inc. and Subsidiaries (“United” or the “Company”), consolidated statements of income, comprehensive income, consolidated statement of changes in shareholders’ equity and the condensed consolidated statements of cash flows for the three months ended March 31, 2016 and 2015, and the notes to consolidated financial statements appear on the following pages.

3

CONSOLIDATED BALANCE SHEETS

UNITED BANKSHARES, INC. AND SUBSIDIARIES

(Dollars in thousands, except par value)

	March 31			December 31
	2016			2015
	(Unaudited)			(Note 1)
Assets
Cash and due from banks	$	151,470		$	136,690
Interest-bearing deposits with other banks		752,648			719,923
Federal funds sold		723			722
Total cash and cash equivalents		904,841			857,335
Securities available for sale at estimated fair value (amortized cost-$1,060,944 at March 31, 2016 and $1,072,340 at December 31, 2015)		1,068,252			1,066,334
Securities held to maturity (estimated fair value-$35,567 at March 31, 2016 and $36,319 at December 31, 2015)		39,058			39,099
Other investment securities		100,000			98,749
Loans held for sale		5,395			10,681
Loans		9,393,200			9,398,952
Less: Unearned income		(14,807	)		(14,872	)
Loans net of unearned income		9,378,393			9,384,080
Less: Allowance for loan losses		(75,490	)		(75,726	)
Net loans		9,302,903			9,308,354
Bank premises and equipment		72,012			73,089
Goodwill		710,252			710,252
Accrued interest receivable		36,068			35,801
Other assets		368,103			378,250
TOTAL ASSETS	$	12,606,884		$	12,577,944
Liabilities
Deposits:
Noninterest-bearing	$	2,792,571		$	2,699,958
Interest-bearing		6,531,997			6,641,569
Total deposits		9,324,568			9,341,527
Borrowings:
Federal funds purchased		27,100			22,230
Securities sold under agreements to repurchase		315,475			341,661
Federal Home Loan Bank borrowings		885,855			850,880
Other long-term borrowings		223,723			223,506
Reserve for lending-related commitments		1,193			936
Accrued expenses and other liabilities		93,933			84,569
TOTAL LIABILITIES		10,871,847			10,865,309
Shareholders’ Equity
Preferred stock, $1.00 par value; Authorized-50,000,000 shares, none issued		—			—
Common stock, $2.50 par value; Authorized-100,000,000 shares; issued-69,733,465 and 69,626,932 at March 31, 2016 and December 31, 2015, respectively, including 27,124 and 23,835 shares in treasury at March 31, 2016 and December 31, 2015, respectively		174,334			174,067
Surplus		754,317			752,997
Retained earnings		836,308			824,603
Accumulated other comprehensive loss		(28,989	)		(38,212	)
Treasury stock, at cost		(933	)		(820	)
TOTAL SHAREHOLDERS’ EQUITY		1,735,037			1,712,635
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$	12,606,884		$	12,577,944

See notes to consolidated unaudited financial statements.

4

CONSOLIDATED STATEMENTS OF INCOME (Unaudited)

UNITED BANKSHARES, INC. AND SUBSIDIARIES

(Dollars in thousands, except per share data)

	Three Months Ended
	March 31
	2016		2015
Interest income
Interest and fees on loans	$	99,334	$	95,149
Interest on federal funds sold and other short-term investments		622		331
Interest and dividends on securities:
Taxable		7,707		8,189
Tax-exempt		833		880
Total interest income		108,496		104,549
Interest expense
Interest on deposits		6,885		6,885
Interest on short-term borrowings		214		231
Interest on long-term borrowings		3,113		2,684
Total interest expense		10,212		9,800
Net interest income		98,284		94,749
Provision for loan losses		4,035		5,354
Net interest income after provision for loan losses		94,249		89,395
Other income
Fees from trust and brokerage services		4,869		4,892
Fees from deposit services		7,973		9,773
Bankcard fees and merchant discounts		838		814
Other service charges, commissions, and fees		429		478
Income from bank-owned life insurance		1,180		1,273
Income from mortgage banking		728		545
Other income		371		404
Total other-than-temporary impairments		0		(100	)
Portion of loss recognized in other comprehensive income		0		66
Net other-than-temporary impairment losses		0		(34	)
Net gains on sales/calls of investment securities		4		46
Net investment securities gains		4		12
Total other income		16,392		18,191
Other expense
Employee compensation		22,279		20,268
Employee benefits		6,603		6,803
Net occupancy expense		6,253		6,529
Other real estate owned (OREO) expense		649		1,113
Equipment expense		2,007		2,124
Data processing expense		3,551		3,743
Bankcard processing expense		368		349
FDIC insurance expense		2,120		2,094
Other expense		14,226		14,632
Total other expense		58,056		57,655
Income before income taxes		52,585		49,931
Income taxes		17,879		15,304
Net income	$	34,706	$	34,627

5

CONSOLIDATED STATEMENTS OF INCOME (Unaudited) — continued

UNITED BANKSHARES, INC. AND SUBSIDIARIES

(Dollars in thousands, except per share data)

	Three Months Ended
	March 31
	2016		2015
Earnings per common share:
Basic	$	0.50	$	0.50
Diluted	$	0.50	$	0.50
Dividends per common share	$	0.33	$	0.32
Average outstanding shares:
Basic		69,497,489		69,207,508
Diluted		69,714,121		69,476,844

See notes to consolidated unaudited financial statements

6

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited)

UNITED BANKSHARES, INC. AND SUBSIDIARIES

(Dollars in thousands)

	Three Months Ended
	March 31
	2016		2015
Net income	$	34,706	$	34,627
Change in net unrealized gain on available-for-sale (AFS) securities, net of tax		8,493		5,334
Accretion of the net unrealized loss on the transfer of AFS securities to held-to-maturity (HTM) securities, net of tax		1		1
Change in defined benefit pension plan, net of tax		729		768
Comprehensive income, net of tax	$	43,929	$	40,730

See notes to consolidated unaudited financial statements

7

CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS’ EQUITY (Unaudited)

UNITED BANKSHARES, INC. AND SUBSIDIARIES

(Dollars in thousands, except per share data)

	Three Months Ended March 31, 2016
											Accumulated
	Common Stock										Other						Total
			Par					Retained			Comprehensive			Treasury			Shareholders’
	Shares		Value		Surplus			Earnings			Income (Loss)			Stock			Equity
Balance at January 1, 2016		69,626,932	$	174,067	$	752,997		$	824,603		($	38,212	)	($	820	)	$	1,712,635
Comprehensive income:
Net income		0		0		0			34,706			0			0			34,706
Other comprehensive income, net of tax:		0		0		0			0			9,223			0			9,223
Total comprehensive income, net of tax																		43,929
Stock based compensation expense		0		0		658			0			0			0			658
Purchase of treasury stock (4 shares)		0		0		0			0			0			0			0
Cash dividends ($0.33 per share)		0				0			(23,001	)		0			0			(23,001	)
Grant of restricted stock (64,092 shares)		64,092		161		(161	)		0			0			0			0
Forfeiture of restricted stock (3,288 shares)		0		0		113			0			0			(113	)		0
Common stock options exercised (42,441 shares)		42,441		106		710			0			0			0			816
Balance at March 31, 2016		69,733,465	$	174,334	$	754,317		$	836,308		($	28,989	)	($	933	)	$	1,735,037

See notes to consolidated unaudited financial statements

8

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)

UNITED BANKSHARES, INC. AND SUBSIDIARIES

(Dollars in thousands)

	Three Months Ended
	March 31
	2016			2015
NET CASH PROVIDED BY OPERATING ACTIVITIES	$	57,934		$	53,891
INVESTING ACTIVITIES
Proceeds from maturities and calls of securities held to maturity		2			182
Proceeds from sales of securities available for sale		33			1,721
Proceeds from maturities and calls of securities available for sale		34,966			34,366
Purchases of securities available for sale		(23,813	)		(12,514	)
Purchases of bank premises and equipment		(789	)		(1,500	)
Proceeds from sales and redemptions of other investment securities		6,519			11,578
Purchases of other investment securities		(7,770	)		(5,371	)
Net change in loans		4,671			58,360
NET CASH PROVIDED BY INVESTING ACTIVITIES		13,819			86,822
FINANCING ACTIVITIES
Cash dividends paid		(22,968	)		(22,166	)
Excess tax benefits from stock-based compensation arrangements		831			214
Proceeds from exercise of stock options		820			2,799
Repayment of long-term Federal Home Loan Bank borrowings		(705,025	)		(615,335	)
Proceeds from issuance of long-term Federal Home Loan Bank borrowings		725,000			490,000
Changes in:
Deposits		(16,959	)		31,877
Federal funds purchased, securities sold under agreements to repurchase and other short-term borrowings		(5,946	)		(113,672	)
NET USED IN PROVIDED BY FINANCING ACTIVITIES		(24,247	)		(226,283	)
Increase (Decrease) in cash and cash equivalents		47,506			(85,570	)
Cash and cash equivalents at beginning of year		857,335			753,064
Cash and cash equivalents at end of period	$	904,841		$	667,494

See notes to consolidated unaudited financial statements.

9

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

UNITED BANKSHARES, INC. AND SUBSIDIARIES

1. GENERAL

The accompanying unaudited consolidated interim financial statements of United Bankshares, Inc. and Subsidiaries (“United” or “the Company”) have been prepared in accordance with accounting principles for interim financial information generally accepted in the United States (GAAP) and with the instructions for Form 10-Q and Article 10 of Regulation S-X. Accordingly, the financial statements do not contain all of the information and footnotes required by accounting principles generally accepted in the United States. In preparing the consolidated financial statements, management is required to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates. The financial statements presented as of March 31, 2016 and 2015 and for the three-month periods then ended have not been audited. The consolidated balance sheet as of December 31, 2015 has been extracted from the audited financial statements included in United’s 2015 Annual Report to Shareholders. The accounting and reporting policies followed in the presentation of these financial statements are consistent with those applied in the preparation of the 2015 Annual Report of United on Form 10-K. To conform to the 2016 presentation, certain reclassifications have been made to prior period amounts, which had no impact on net income, comprehensive income, or stockholders’ equity. In the opinion of management, all adjustments necessary for a fair presentation of financial position and results of operations for the interim periods have been made. Such adjustments are of a normal and recurring nature.

The accompanying consolidated interim financial statements include the accounts of United and its wholly owned subsidiaries. United considers all of its principal business activities to be bank related. All significant intercompany accounts and transactions have been eliminated in the consolidated financial statements. Dollars are in thousands, except per share or unless otherwise noted.

New Accounting Standards

In March 2016, the FASB issued ASU 2016-09, “Compensation-Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting.” ASU 2016-09 will change certain aspects of accounting for share-based payments to employees. The new guidance, amongst other things, will require all income tax effects of awards to be recognized in the income statement when the awards vest or are settled. It also will allow an employer to repurchase more of an employee’s shares than it can today for tax withholding purposes without triggering liability accounting and to make a policy election to account for forfeitures as they occur. ASU 2016-09 is effective for United on January 1, 2017, and management is currently evaluating the possible impact this standard may have on the Company’s financial condition or results of operations.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842)”. ASU 2016-02 includes a lessee accounting model that recognizes two types of leases, finance leases and operating leases, while lessor accounting will remain largely unchanged from the current GAAP. ASU 2016-02 requires, amongst other things, that a lessee recognize on the balance sheet a right-of-use asset and a lease liability for leases with lease terms of more than twelve months. The recognition, measurement, and presentation of expenses and cash flows arising from a lease by a lessee will depend on its classification as a finance or operating lease. ASU 2016-02 is effective for United on January 1, 2019 and management is currently evaluating the possible impact this standard may have on the Company’s financial condition or results of operations.

In January 2016, the FASB issued ASU 2016-01, “Financial Instruments Overall: Recognition and Measurement of Financial Assets and Financial Liabilities.” ASU 2016-01 makes changes to the classification and measurement of investments in equity securities, the presentation of certain fair value changes for financial liabilities measured at fair value under the fair value option and disclosure of fair value of instruments. In addition, ASU 2016-01 clarifies guidance related to the valuation allowance assessment when recognizing deferred tax assets resulting from unrealized losses on available-for-sale debt securities. ASU 2016-01 is effective for United on January 1, 2018 and is not expected to have a significant impact on the Company’s financial condition or results of operations.

10

In September 2015, the FASB issued ASU 2015-16, “Simplifying the Accounting for Measurement-Period Adjustments” associated with a business combination, as part of its simplification initiative. ASU 2015-16 requires an acquirer to “recognize adjustments to provisional amounts that are identified during the measurement period in the reporting period in which the adjustment amounts are determined.” In addition, the acquirer must record, in the financial statements for the same period, “the effect on earnings of changes in depreciation, amortization, or other income effect, if any, as a result of the change to the provisional amounts, calculated as if the accounting had been completed at the acquisition date.” Entities must also “present separately on the face of the income statement or disclose in the notes the portion of the amount recorded in the current-period earnings by line item that would have been recorded in previous reporting periods if the adjustment to the provisional amount had been recognized as of the acquisition date.” ASU 2015-16 was effective for United on January 1, 2016 and did not have a significant impact on the Company’s financial condition or results of operations.

In May 2015, the FASB issued ASU 2015-07, “Disclosures for Investment in Certain Entities That Calculate Net Asset Value per Share (or Its Equivalent), a consensus of the FASB Emerging Issues Task Force.” ASU 2015-07 modifies certain provisions of FASB Accounting Standards Codification Topic 820, Fair Value Measurement (ASC 820). ASU 2015-07 eliminates the requirement to categorize investments in the fair value hierarchy if an investment’s fair value is measured based on net asset value (NAV) per share (or its equivalent) using the practical expedient. The reporting entities will no longer be required to provide the related fair value disclosures for these securities but instead, will be required to disclose information to help users understand the nature of the investments as well as risks, including whether it is probable that the amount realized on the sale of the investments would differ from net asset value. ASU 2015-07 was effective for United on January 1, 2016 and did not have a significant impact on the Company’s financial condition or results of operations.

In April 2015, the FASB issued ASU 2015-04, “Compensation – Retirement Benefits: Practical Expedient for the Measurement Date of an Employer’s Defined Benefit Obligation and Plan Assets.” ASU 2015-04 gives an employer whose fiscal year-end does not coincide with a calendar month-end the ability, as a practical expedient, to measure defined benefit retirement obligations and related plan assets as of the month-end that is closest to its fiscal year-end. ASU 2015-04 also provides guidance on accounting for contributions to the plan and significant events that require a remeasurement that occur during the period between a month-end measurement and the employer’s fiscal year-end. ASU 2015-04 was effective for United on January 1, 2016 and did not have a significant impact on the Company’s financial condition or results of operations.

In April 2015, the FASB issued ASU 2015-03, “Simplifying the Presentation of Debt Issuance Costs.” Under ASU 2015-03, debt issuance costs are required to be presented as a direct deduction of debt balances on the statement of financial condition, similar to the presentation of debt discounts. ASU 2015-03 is limited to simplifying the presentation of debt issuance costs and does not change the recognition and measurement guidance for debt issuance costs. ASU 2015-03 was effective for United on January 1, 2016 and did not have a significant impact on the Company’s financial condition or results of operations.

In February 2015, the FASB issued ASU 2015-02, “Amendments to the Consolidation Analysis.” ASU 2015-02 improves targeted areas of the consolidation guidance and reduces the number of consolidation models. The new consolidation standard eliminates the deferral of FAS 167 and makes changes to both the variable interest model and the voting model in ASC 810. ASU 2015-02 affects all entities, could change consolidation conclusions and may trigger additional disclosures. ASU 2015-02 was effective for United on January 1, 2016 and did not have a significant impact on the Company’s financial condition or results of operations.

11

In January 2015, the FASB issued ASU 2015-01, “Income Statement, Extraordinary and Unusual Items (Subtopic 225-20).”ASU 2015-01 eliminates the separate presentation of extraordinary items but does not change the requirement to disclose material items that are unusual or infrequent in nature. Eliminating the concept of extraordinary items will allow entities to no longer have to assess whether a particular event or transaction is both unusual in nature and infrequent in occurrence. ASU 2015-01 was effective for United on January 1, 2016 and did not have a significant impact on the Company’s financial condition or results of operations.

In June 2014, the FASB issued ASU 2014-12, “Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period.” ASU 2014-12 amends the guidance in FASB ASC 718, “Compensation-Stock Compensation”, to bring consistency to the accounting for share-based payment awards that require a specific performance target to be achieved in order for employees to become eligible to vest in the awards. The amendments affect all entities that grant their employees share-based payments in which the terms of the award provide that a performance target that affects vesting could be achieved after the requisite service period. ASU 2014-12 was effective for United on January 1, 2016 and did not have a significant impact on the Company’s financial condition or results of operations.

In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers (Topic 606).” ASU 2014-09 supersedes the revenue recognition requirements in Accounting Standards Codification Topic 605, “Revenue Recognition”, and most industry-specific guidance throughout the Accounting Standards Codification. The amendments require an entity to recognize revenue upon 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 and services. The new revenue recognition standard sets forth a five step principle-based approach for determining revenue recognition. In April 2015, the FASB voted to defer the effective date of ASU 2014-09 by one-year for both public and private companies, and gave both public and private companies the option to “early” adopt using the original effective dates. ASU 2014-09 now will be effective for United on January 1, 2018 with early adoption permitted on January 1, 2017. Management is currently evaluating this guidance to determine the impact on the Company’s financial condition or results of operations.

2. MERGERS AND ACQUISITIONS

On November 9, 2015, United announced the signing of a definite merger agreement with Bank of Georgetown, a privately held community bank headquartered in Washington, D.C. Bank of Georgetown had $1.3 billion in assets as of March 31, 2016. With this transaction, United continues to strengthen its franchise and enhance its existing footprint in the D.C. Metro Region. United will acquire 100% of the outstanding shares of Bank of Georgetown in exchange for common shares of United. The exchange ratio will be fixed at 0.9313 of United’s shares for each share of Bank of Georgetown which equates to $37.00 per share, based on the 15-day average price of $39.73 for United’s stock prior to the announcement.

United has received all regulatory approvals for the merger. In addition, Bank of Georgetown’s shareholders have approved the merger. The transaction is expected to close on June 3, 2016.

12

3. INVESTMENT SECURITIES

Securities held for indefinite periods of time and all marketable equity securities are classified as available for sale and carried at estimated fair value. The amortized cost and estimated fair values of securities available for sale are summarized as follows:

	March 31, 2016
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Cumulative OTTI in AOCI (1)
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	70,152	$	3,204	$	0	$	73,356	$	0
State and political subdivisions		131,953		3,909		33		135,829		0
Residential mortgage-backed securities
Agency		465,513		11,840		61		477,292		0
Non-agency		8,585		176		7		8,754		458
Commercial mortgage-backed securities
Agency		299,095		6,729		22		305,802		0
Asset-backed securities		2,640		0		3		2,637		0
Trust preferred collateralized debt obligations		49,342		686		17,435		32,593		25,952
Single issue trust preferred securities		13,325		234		2,599		10,960		0
Other corporate securities		14,994		87		0		15,081		0
Marketable equity securities		5,345		614		11		5,948		0
Total	$	1,060,944	$	27,479	$	20,171	$	1,068,252	$	26,410
	December 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Cumulative OTTI in AOCI (1)
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	71,993	$	1,793	$	0	$	73,786	$	0
State and political subdivisions		130,685		3,144		51		133,778		0
Residential mortgage-backed securities
Agency		473,109		5,580		707		477,982		0
Non-agency		9,119		457		5		9,571		458
Commercial mortgage-backed securities
Agency		305,990		1,843		1,898		305,935		0
Asset-backed securities		3,404		0		5		3,399		0
Trust preferred collateralized debt obligations		49,386		635		15,335		34,686		25,952
Single issue trust preferred securities		13,811		249		2,367		11,693		0
Other corporate securities		9,999		50		0		10,049		0
Marketable equity securities		4,844		637		26		5,455		0
Total	$	1,072,340	$	14,388	$	20,394	$	1,066,334	$	26,410

(1) Other-than-temporary impairment in accumulated other comprehensive income. Amounts are before tax.

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The following is a summary of securities available-for-sale which were in an unrealized loss position at March 31, 2016 and December 31, 2015.

	Less than 12 months				12 months or longer
	Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses
March 31, 2016
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	0	$	0	$	0	$	0
State and political subdivisions		13,041		33		0		0
Residential mortgage-backed securities
Agency		12,246		47		10,025		14
Non-agency		299		7		0		0
Commercial mortgage-backed securities
Agency		0		0		9,424		22
Asset-backed securities		2,637		3		0		0
Trust preferred collateralized debt obligations		1,029		276		26,628		17,159
Single issue trust preferred securities		3,900		736		3,824		1,863
Marketable equity securities		1,377		11		0		0
Total	$	34,529	$	1,113	$	49,901	$	19,058
	Less than 12 months				12 months or longer
	Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses
December 31, 2015
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	0	$	0	$	0	$	0
State and political subdivisions		15,550		51		0		0
Residential mortgage-backed securities
Agency		90,004		707		0		0
Non-agency		348		5		0		0
Commercial mortgage-backed securities
Agency		170,340		1,650		9,255		248
Asset-backed securities		3,399		5		0		0
Trust preferred collateralized debt obligations		3,304		135		28,633		15,200
Single issue trust preferred securities		4,225		404		3,720		1,963
Marketable equity securities		986		26		0		0
Total	$	288,156	$	2,983	$	41,608	$	17,411

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Marketable equity securities consist mainly of equity securities of financial institutions and mutual funds within a rabbi trust for the payment of benefits under a deferred compensation plan for certain key officers of United and its subsidiaries. The following table shows the proceeds from maturities, sales and calls of available for sale securities and the gross realized gains and losses on sales and calls of those securities that have been included in earnings as a result of those sales and calls. Gains or losses on sales and calls of available for sale securities were recognized by the specific identification method. The realized losses relate to sales of securities within a rabbi trust for the payment of benefits under a deferred compensation plan for certain key officers of United and its subsidiaries.

	Three Months Ended March 31
	2016		2015
Proceeds from sales and calls	$	34,999	$	36,087
Gross realized gains		6		50
Gross realized losses		2		4

At March 31, 2016, gross unrealized losses on available for sale securities were $20,171 on 49 securities of a total portfolio of 453 available for sale securities. Securities in an unrealized loss position at March 31, 2016 consisted primarily of pooled trust preferred collateralized debt obligations (Trup Cdos) and single issue trust preferred securities. The Trup Cdos and the single issue trust preferred securities relate mainly to securities of financial institutions. In determining whether or not a security is other-than-temporarily impaired (OTTI), management considered the severity and the duration of the loss in conjunction with United’s positive intent and the more likely than not ability to hold these securities to recovery of their cost basis or maturity.

Agency mortgage-backed securities

United’s agency mortgage-backed securities portfolio relates to securities issued by Fannie Mae, Freddie Mac, and Ginnie Mae. The total amortized cost of available for sale agency mortgage-backed securities was $764,608 at March 31, 2016. Of the $764,608, $299,095 was related to agency commercial mortgage-backed securities and $465,513 was related to agency residential mortgage-backed securities. Each of the agency mortgage-backed securities provides a guarantee of full and timely payments of principal and interest by the issuing agency. Based upon management’s analysis and judgment, it was determined that none of the agency mortgage-backed securities were other-than-temporarily impaired at March 31, 2016.

Non-agency residential mortgage-backed securities

United’s non-agency residential mortgage-backed securities portfolio relates to securities of various private label issuers. The Company has no exposure to real estate investment trusts (REITS) in its investment portfolio. The total amortized cost of available for sale non-agency residential mortgage-backed securities was $8,585 at March 31, 2016. Of the $8,585, $1,633 was rated above investment grade and $6,952 was rated below investment grade. Approximately 27% of the portfolio includes collateral that was originated during the year of 2005 or before. The remaining 73% includes collateral that was originated in the years of 2006 and 2007. The entire portfolio of the non-agency residential mortgage-backed securities is either the senior or super-senior tranches of their respective structure. In determining whether or not the non-agency mortgage-backed securities are other-than-temporarily impaired, management performs an in-depth analysis on each non-agency residential mortgage-backed security on a quarterly basis. The analysis includes a review of the following factors: weighted average loan to value, weighted average maturity, average FICO scores, historical collateral performance, geographic concentration, credit subordination, cross-collateralization, coverage ratios, origination year, full documentation percentage, event risk (repricing), and collateral type. Management completes a quarterly stress test to determine the level of loss protection remaining in each individual security and compares the protection remaining to the future expected performance of the underlying collateral. Additionally, management utilizes a third-party cash flow model to perform a cash flow test for each bond below investment grade. The model produces a bond specific set of cash flows based upon assumptions input by management. The input assumptions that are incorporated include the projected constant default rate (CDR) of the underlying mortgages, the loss severity upon default, and the prepayment rate on the underlying mortgage collateral. CDR and loss severities are forecasted by management after full evaluation of the underlying collateral including recent performance statistics. Therefore, based upon management’s analysis and judgment, there was no additional credit-related or noncredit-related other-than-temporary impairment recognized on the non-agency residential mortgage-backed securities at March 31, 2016.

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Single issue trust preferred securities

The majority of United’s single-issue trust preferred portfolio consists of obligations from large cap banks (i.e. banks with market capitalization in excess of $10 billion). Management reviews each issuer’s current and projected earnings trends, asset quality, capitalization levels, and other key factors. Upon completing the review for the first quarter of 2016, it was determined that none of the single issue securities were other-than-temporarily impaired. All single-issue trust preferred securities are currently receiving interest payments. The available for sale single issue trust preferred securities’ ratings ranged from a low of B+ to a high of BBB-. The amortized cost of available for sale single issue trust preferred securities as of March 31, 2016 consisted of $3,002 in investment grade bonds, $4,636 in split-rated bonds and $5,687 in below investment grade bonds. All of the below investment grade bonds were in an unrealized loss position for twelve months or longer as of March 31, 2016.

Trust preferred collateralized debt obligations (Trup Cdos)

In order to determine how and when the Company recognizes OTTI, the Company first assesses its intentions regarding any sale of securities as well as the likelihood that it would be required to sell prior to recovery of the amortized cost. As of March 31, 2016, the Company has determined that it does not intend to sell any pooled trust preferred security and that it is not more likely than not that the Company will be required to sell such securities before recovery of their amortized cost.

To determine a net realizable value and assess whether other-than-temporary impairment existed, management performed detailed cash flow analysis to determine whether, in management’s judgment, it was more likely that United would not recover the entire amortized cost basis of the security. The Company discounts the security-specific cash flow projection at the security-specific interest rate and compares the present value to the amortized cost. Management’s cash flow analysis was performed for each security and considered the current deferrals and defaults within the underlying collateral, the likelihood that current deferrals would cure or ultimately default, potential future deferrals and defaults, potential prepayments, cash reserves, excess interest spread, credit analysis of the underlying collateral and the priority of payments in the cash flow structure. The underlying collateral analysis for each issuer took into consideration multiple factors including capital adequacy, earnings trends and asset quality. After completing its analysis of estimated cash flows, management determined that none of the Trup Cdos experienced an adverse change in cash flows during the first quarter of 2016, as the expected discounted cash flows from these particular securities were greater than or equal to the discounted cash flows originally expected at purchase or from the previous date of other-than-temporary impairment (cash flows are discounted at the contractual coupon rate for purposes of assessing OTTI).

There was no credit-related other-than-temporary impairment recognized in earnings for the first quarter of 2016 related to these securities. The total credit-related other-than-temporary impairment recognized in earnings during 2015 related to these securities was $34. The balance of noncredit-related other-than-temporary impairment recognized on United’s Trup Cdo portfolio was $25,952 at March 31, 2016 and December 31, 2015.

The amortized cost of available for sale Trup Cdos in an unrealized loss position for twelve months or longer as of March 31, 2016 consisted of $4,527 in investment grade bonds and $39,260 in below investment grade bonds.

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The following is a summary of the available for sale Trup Cdos as of March 31, 2016:

							Amortized Cost
Class	Amortized Cost		Fair Value		Unrealized Loss		Investment Grade		Split Rated		Below Investment Grade
Senior – Bank	$	6,668	$	5,917	$	751	$	4,527	$	0	$	2,141
Mezzanine – Bank (now in senior position)		11,383		8,263		3,120		0		0		11,383
Mezzanine – Bank		26,091		15,285		10,806		0		0		26,091
Mezzanine – Bank & Insurance (combination)		5,200		3,128		2,072		0		0		5,200
Totals	$	49,342	$	32,593	$	16,749	$	4,527	$	0	$	44,815

While a large difference remains between the fair value and amortized cost, the Company believes the remaining unrealized losses are related to the illiquid market for Trup Cdos rather than an adverse change in expected cash flows. The expected future cash flow substantiates the return of the remaining amortized cost of the security. The Company believes the following evidence supports the position that the remaining unrealized loss is related to the illiquid market for Trup Cdos:

• The market for new issuance of Trup Cdos was robust from 2000 to 2007 with an estimated $60 billion in new issuance. The new market issuances came to an abrupt halt in 2007.

• The secondary market for Trup Cdos ultimately became illiquid and although the market has improved, trading activity remains limited on these securities. In making this determination, the Company holds discussions with institutional traders to identify trends in the number and type of transactions related to the Trup Cdos.

• The presence of a below-investment grade rating severely limits the pool of available buyers and contributes to the illiquidity of the market.

• Trup Cdos have a more complex structure than most debt instruments, making projections of tranche returns difficult for non-specialists in the product. Deferral features available to the underlying issuers within each pool are unique to these securities. Additionally, it can be difficult for market participants to predict whether deferrals will ultimately cure or ultimately default. Due to the lack of transparency, market participants will require a higher risk premium, thus resulting in higher required discount rates.

• The variability of cash flows at the time the securities were originated was expected to be very limited. Due to the financial crisis, Trup Cdos have experienced more substantive variability of cash flows compared to expectations, resulting in a higher risk premium when evaluating discount rates.

• The limited, yet relevant, observable inputs indicate that market yield requirements for Trup Cdos, on a credit-adjusted basis, remained very high relative to discount rates at purchase and compared to other similarly rated debt securities.

Management also considered the ratings of the Company’s bonds in its portfolio and the extent of downgrades in United’s impairment analysis. However, management considered it imperative to independently perform its own credit analysis based on cash flows as described. The ratings of the investment grade Trup Cdos in the table above range from a low of AA to a high of Aaa. The below investment grade Trup Cdos range from a low of C to a high of Ba1.

On the Trup Cdos that have not been deemed to be other-than-temporarily impaired, the collateralization ratios range from a low of 98.4% to a high of 308.4%, with a median of 156.9%, and a weighted average of 211.5%. The collateralization ratio is defined as the current performing collateral in a security, divided by the current balance of the specific tranche the Company owns, plus any debt which is senior or pari passu with the Company’s security’s priority level. Performing collateral excludes the balance of any issuer that has either defaulted or has deferred its interest payment. It is not uncommon for the collateralization of a security that is not other-than-temporarily impaired to be less than 100% due to the excess spread built into the securitization structure.

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Except for the debt securities that have already been deemed to be other-than-temporarily impaired, management does not believe any other individual security with an unrealized loss as of March 31, 2016 is other-than-temporarily impaired. For these securities, United believes the decline in value resulted from changes in market interest rates, credit spreads and liquidity, not a change in the expected contractual cash flows. Based on a review of each of the securities in the investment portfolio, management concluded that it expected to recover the amortized cost basis of the investment in such securities.

Equity securities

The amortized cost of United’s equity securities was $5,345 at March 31, 2016. For equity securities, management has evaluated the near-term prospects of the investment in relation to the severity and duration of any impairment and based on that evaluation, management determined that no equity securities were other-than-temporarily impaired at March 31, 2016.

Other investment securities (cost method)

During the first quarter of 2016, United also evaluated all of its cost method investments to determine if certain events or changes in circumstances during the first quarter of 2016 had a significant adverse effect on the fair value of any of its cost method securities. United determined that there were no events or changes in circumstances during the first quarter which would have an adverse effect on the fair value of any of its cost method securities. Therefore, no impairment was recorded.

Below is a progression of the credit losses on securities which United has recorded other-than-temporary charges. These charges were recorded through earnings and other comprehensive income.

	Three Months Ended March 31
	2016		2015
Balance of cumulative credit losses at beginning of period	$	23,773	$	23,739
Additions for credit losses recognized in earnings during the period:
Additional credit losses on securities for which OTTI was previously recognized		0		34
Reductions for securities sold or paid off during the period		0		0
Balance of cumulative credit losses at end of period	$	23,773	$	23,773

The amortized cost and estimated fair value of securities available for sale at March 31, 2016 and December 31, 2015 by contractual maturity are shown below. Expected maturities may differ from contractual maturities because the issuers may have the right to call or prepay obligations without penalties.

	March 31, 2016				December 31, 2015
			Estimated				Estimated
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
Due in one year or less	$	11,741	$	11,815	$	10,448	$	10,515
Due after one year through five years		268,067		272,458		273,469		274,158
Due after five years through ten years		214,787		223,693		213,274		216,636
Due after ten years		561,004		554,338		570,305		559,570
Marketable equity securities		5,345		5,948		4,844		5,455
Total	$	1,060,944	$	1,068,252	$	1,072,340	$	1,066,334

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The amortized cost and estimated fair values of securities held-to-maturity are summarized as follows:

	March 31, 2016
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	10,381	$	849	$	0	$	11,230
State and political subdivisions		9,321		20		226		9,115
Residential mortgage-backed securities
Agency		34		7		0		41
Single issue trust preferred securities		19,302		0		4,141		15,161
Other corporate securities		20		0		0		20
Total	$	39,058	$	876	$	4,367	$	35,567
	December 31, 2015
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	10,425	$	860	$	0	$	11,285
State and political subdivisions		9,321		21		253		9,089
Residential mortgage-backed securities
Agency		35		6		0		41
Single issue trust preferred securities		19,298		0		3,414		15,884
Other corporate securities		20		0		0		20
Total	$	39,099	$	887	$	3,667	$	36,319

Even though the market value of the held-to-maturity investment portfolio is less than its cost, the unrealized loss has no impact on the net worth or regulatory capital requirements of United. As of March 31, 2016, the Company’s two largest held-to-maturity single-issue trust preferred exposures were to Wells Fargo ($9,917) and SunTrust Bank ($7,411). The two held-to-maturity single-issue trust preferred exposures with at least one rating below investment grade included SunTrust Bank ($7,411) and Royal Bank of Scotland ($975). Other corporate securities consist mainly of bonds of corporations.

There were no gross realized gains or losses on calls and sales of held to maturity securities included in earnings for the first quarter of 2016 and 2015.

The amortized cost and estimated fair value of debt securities held to maturity at March 31, 2016 and December 31, 2015 by contractual maturity are shown below. Expected maturities may differ from contractual maturities because the issuers may have the right to call or prepay obligations without penalties.

	March 31, 2016				December 31, 2015
	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value
Due in one year or less	$	5,009	$	5,042	$	5,029	$	5,121
Due after one year through five years		9,648		10,481		9,672		10,458
Due after five years through ten years		4,045		3,822		4,045		3,794
Due after ten years		20,356		16,222		20,353		16,946
Total	$	39,058	$	35,567	$	39,099	$	36,319

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The carrying value of securities pledged to secure public deposits, securities sold under agreements to repurchase, and for other purposes as required or permitted by law, approximated $1,000,586 and $986,982 at March 31, 2016 and December 31, 2015, respectively.

4. LOANS

Major classes of loans are as follows:

	March 31, 2016		December 31, 2015
Commercial, financial and agricultural:
Owner-occupied commercial real estate	$	918,334	$	927,746
Nonowner-occupied commercial real estate		2,944,573		2,896,367
Other commercial loans		1,572,060		1,602,222
Total commercial, financial & agricultural		5,434,967		5,426,335
Residential real estate		2,272,589		2,268,685
Construction & land development		1,222,119		1,273,054
Consumer:
Bankcard		12,038		11,653
Other consumer		451,487		419,225
Total gross loans	$	9,393,200	$	9,398,952

The table above does not include loans held for sale of $5,395 and $10,681 at March 31, 2016 and December 31, 2015, respectively. Loans held for sale consist of single-family residential real estate loans originated for sale in the secondary market.

The outstanding balances in the table above include acquired impaired loans with a recorded investment of $130,734 or 1.39% of total gross loans at March 31, 2016 and $148,197 or 1.58% of total gross loans at December 31, 2015. The contractual principal in these acquired impaired loans was $185,985 and $208,765 at March 31, 2016 and December 31, 2015, respectively. The balances above do not include future accretable net interest (i.e. the difference between the undiscounted expected cash flows and the recorded investment in the loan) on the acquired impaired loans.

Activity for the accretable yield for the first quarter of 2016 follows:

Accretable yield at the beginning of the period	$	12,156
Accretion (including cash recoveries)		(2,781	)
Net reclassifications to accretable from non-accretable		3,582
Disposals (including maturities, foreclosures, and charge-offs)		(705	)
Accretable yield at the end of the period	$	12,252

United’s subsidiary banks have made loans to the directors and officers of United and its subsidiaries, and to their affiliates. The aggregate dollar amount of these loans was $267,448 and $241,000 at March 31, 2016 and December 31, 2015, respectively.

5. CREDIT QUALITY

Management monitors the credit quality of its loans on an ongoing basis. Measurement of delinquency and past due status are based on the contractual terms of each loan.

For all loan classes, past due loans are reviewed on a monthly basis to identify loans for nonaccrual status. Generally, when collection in full of the principal and interest is jeopardized, the loan is placed on nonaccrual status. The accrual of interest income on commercial and most consumer loans generally is discontinued when a loan becomes 90 to 120 days past due as to principal or interest. However, regardless of delinquency status, if a loan is fully secured and in the

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process of collection and resolution of collection is expected in the near term (generally less than 90 days), then the loan will not be placed on nonaccrual status. When interest accruals are discontinued, unpaid interest recognized in income in the current year is reversed, and unpaid interest accrued in prior years is charged to the allowance for loan losses. United’s method of income recognition for loans that are classified as nonaccrual is to recognize interest income on a cash basis or apply the cash receipt to principal when the ultimate collectibility of principal is in doubt. Nonaccrual loans will not normally be returned to accrual status unless all past due principal and interest has been paid and the borrower has evidenced their ability to meet the contractual provisions of the note.

A loan is categorized as a troubled debt restructuring (TDR) if a concession is granted and there is deterioration in the financial condition of the borrower. TDRs can take the form of a reduction of the stated interest rate, splitting a loan into separate loans with market terms on one loan and concessionary terms on the other loan, receipts of assets from a debtor in partial or full satisfaction of a loan, the extension of the maturity date or dates at a stated interest rate lower than the current market rate for new debt with similar risk, the reduction of the face amount or maturity amount of the debt as stated in the instrument or other agreement, the reduction of accrued interest or any other concessionary type of renegotiated debt. As of March 31, 2016, United had TDRs of $24,156 as compared to $23,890 as of December 31, 2015. Of the $24,156 aggregate balance of TDRs at March 31, 2016, $11,450 was on nonaccrual status and included in the “Loans on Nonaccrual Status” on the following page. Of the $23,890 aggregate balance of TDRs at December 31, 2015, $11,949 was on nonaccrual status and included in the “Loans on Nonaccrual Status” on the following page. As of March 31, 2016, there were no commitments to lend additional funds to debtors owing receivables whose terms have been modified in TDRs. At March 31, 2016, United had restructured loans in the amount of $2,747 that were modified by a reduction in the interest rate, $8,776 that were modified by a combination of a reduction in the interest rate and the principal and $12,633 that was modified by a change in terms.

A loan acquired and accounted for under ASC topic 310-30 “Loans and Debt Securities Acquired with Deteriorated Credit Quality” is reported as an accruing loan and a performing asset.

The following table sets forth United’s troubled debt restructurings that were restructured during the three months ended March 31, 2016 and 2015, segregated by class of loans.

	Troubled Debt Restructurings
	For the Three Months Ended
	March 31, 2016						March 31, 2015
	Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment
Commercial real estate:
Owner-occupied		0	$	0	$	0		0	$	0	$	0
Nonowner-occupied		0		0		0		0		0		0
Other commercial		3		1,441		1,438		1		240		240
Residential real estate		1		1,400		1,400		0		0		0
Construction & land development		0		0		0		0		0		0
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		0		0		0		0		0		0
Total		4	$	2,841	$	2,838		1	$	240	$	240

During the first quarter of 2016, $1,438 of restructured loans were modified by a change in terms and $1,400 were modified by a combination of a reduction in the interest rate and the principal. During the first quarter of 2015, $240 of restructured loans were modified by a change in terms. In some instances, the post-modification balance on the restructured loans is larger than the pre-modification balance due to the advancement of monies for items such as delinquent taxes on real estate property. The loans were evaluated individually for allocation within United’s allowance for loan losses. The modifications had an immaterial impact on the financial condition and results of operations for United.

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No loans restructured during the twelve-month periods ended March 31, 2016 and 2015 subsequently defaulted, resulting in a principal charge-off during the first quarters of 2016 and 2015, respectively.

The following table sets forth United’s age analysis of its past due loans, segregated by class of loans:

Age Analysis of Past Due Loans

As of March 31, 2016

	30-89 Days Past Due		90 Days or more Past Due		Total Past Due		Current & Other (1)		Total Financing Receivables		Recorded Investment >90 Days & Accruing
Commercial real estate:
Owner-occupied	$	9,144	$	8,851	$	17,995	$	900,339	$	918,334	$	39
Nonowner-occupied		11,872		20,252		32,124		2,912,449		2,944,573		1,530
Other commercial		19,216		43,819		63,035		1,509,025		1,572,060		361
Residential real estate		45,049		22,899		67,948		2,204,641		2,272,589		4,565
Construction & land development		4,537		15,000		19,537		1,202,582		1,222,119		178
Consumer:
Bankcard		274		170		444		11,594		12,038		170
Other consumer		7,246		1,251		8,497		442,990		451,487		1,048
Total	$	97,338	$	112,242	$	209,580	$	9,183,620	$	9,393,200	$	7,891

(1) Other includes loans with a recorded investment of $130,734 acquired and accounted for under ASC topic 310-30 “Loans and Debt Securities Acquired with Deteriorated Credit Quality”.

Age Analysis of Past Due Loans

As of December 31, 2015

	30-89 Days Past Due		90 Days or more Past Due		Total Past Due		Current & Other (1)		Total Financing Receivables		Recorded Investment >90 Days & Accruing
Commercial real estate:
Owner-occupied	$	8,639	$	9,831	$	18,470	$	909,276	$	927,746	$	400
Nonowner-occupied		24,209		26,126		50,335		2,846,032		2,896,367		552
Other commercial		14,888		33,297		48,185		1,554,037		1,602,222		3,643
Residential real estate		44,312		28,332		72,644		2,196,041		2,268,685		4,294
Construction & land development		2,412		15,416		17,828		1,255,226		1,273,054		1,347
Consumer:
Bankcard		223		168		391		11,262		11,653		168
Other consumer		9,082		1,596		10,678		408,547		419,225		1,224
Total	$	103,765	$	114,766	$	218,531	$	9,180,421	$	9,398,952	$	11,628

(1) Other includes loans with a recorded investment of $148,197 acquired and accounted for under ASC topic 310-30 “Loans and Debt Securities Acquired with Deteriorated Credit Quality”.

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The following table sets forth United’s nonaccrual loans, segregated by class of loans:

Loans on Nonaccrual Status

	March 31, 2016		December 31, 2015
Commercial real estate:
Owner-occupied	$	8,812	$	9,431
Nonowner-occupied		18,722		25,574
Other commercial		43,458		29,654
Residential real estate		18,334		24,038
Construction & land development		14,822		14,069
Consumer:
Bankcard		0		0
Other consumer		203		372
Total	$	104,351	$	103,138

United assigns credit quality indicators of pass, special mention, substandard and doubtful to its loans. For United’s loans with a corporate credit exposure, United internally assigns a grade based on the creditworthiness of the borrower. For loans with a consumer credit exposure, United internally assigns a grade based upon an individual loan’s delinquency status. United reviews and updates, as necessary, these grades on a quarterly basis.

Special mention loans, with a corporate credit exposure, have potential weaknesses that deserve management’s close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the loans or in the Company’s credit position at some future date. Borrowers may be experiencing adverse operating trends (declining revenues or margins) or an ill proportioned balance sheet (e.g., increasing inventory without an increase in sales, high leverage, tight liquidity). Adverse economic or market conditions, such as interest rate increases or the entry of a new competitor, may also support a special mention rating. Nonfinancial reasons for rating a credit exposure special mention include management problems, pending litigation, an ineffective loan agreement or other material structural weakness, and any other significant deviation from prudent lending practices. For loans with a consumer credit exposure, loans that are past due 30-89 days are considered special mention.

A substandard loan with a corporate credit exposure is inadequately protected by the current sound worth and paying capacity of the obligor or of the collateral pledged, if any. Loans so classified have a well-defined weakness, or weaknesses, that jeopardize the liquidation of the debt by the borrower. They are characterized by the distinct possibility that the Company will sustain some loss if the deficiencies are not corrected. They require more intensive supervision by management. Substandard loans are generally characterized by current or expected unprofitable operations, inadequate debt service coverage, inadequate liquidity, or marginal capitalization. Repayment may depend on collateral or other credit risk mitigants. For some substandard loans, the likelihood of full collection of interest and principal may be in doubt and thus, placed on nonaccrual. For loans with a consumer credit exposure, loans that are 90 days or more past due or that have been placed on nonaccrual are considered substandard.

A loan with corporate credit exposure is classified as doubtful if it has all the weaknesses inherent in one classified as substandard with the added characteristic that the weaknesses make collection in full, on the basis of currently existing facts, conditions, and values, highly questionable and improbable. A doubtful loan has a high probability of total or substantial loss, but because of specific pending events that may strengthen the loan, its classification as loss is deferred. Doubtful borrowers are usually in default, lack adequate liquidity or capital, and lack the resources necessary to remain an operating entity. Pending events can include mergers, acquisitions, liquidations, capital injections, the perfection of liens on additional collateral, the valuation of collateral, and refinancing. Generally, there are not any loans with a consumer credit exposure that are classified as doubtful. Usually, they are charged-off prior to such a classification. Loans classified as doubtful are also considered impaired.

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The following tables set forth United’s credit quality indicators information, by class of loans:

Credit Quality Indicators

Corporate Credit Exposure

As of March 31, 2016
	Commercial Real Estate				Other Commercial		Construction & Land Development
	Owner- occupied		Nonowner- occupied
Grade:
Pass	$	831,867	$	2,785,394	$	1,412,459	$	1,053,524
Special mention		21,056		29,385		28,849		57,897
Substandard		65,411		129,794		129,287		110,152
Doubtful		0		0		1,465		546
Total	$	918,334	$	2,944,573	$	1,572,060	$	1,222,119
As of December 31, 2015
	Commercial Real Estate				Other Commercial		Construction & Land Development
	Owner- occupied		Nonowner- occupied
Grade:
Pass	$	835,082	$	2,710,504	$	1,436,670	$	1,095,238
Special mention		20,391		32,249		26,148		59,100
Substandard		72,273		153,614		136,585		118,716
Doubtful		0		0		2,819		0
Total	$	927,746	$	2,896,367	$	1,602,222	$	1,273,054

Credit Quality Indicators

Consumer Credit Exposure

As of March 31, 2016
	Residential Real Estate		Bankcard		Other Consumer
Grade:
Pass	$	2,203,207	$	11,594	$	442,714
Special mention		16,881		274		7,356
Substandard		52,056		170		1,379
Doubtful		445		0		38
Total	$	2,272,589	$	12,038	$	451,487

As of December 31, 2015
	Residential Real Estate		Bankcard		Other Consumer
Grade:
Pass	$	2,195,420	$	11,262	$	408,271
Special mention		13,494		223		9,188
Substandard		57,981		168		1,766
Doubtful		1,790		0		0
Total	$	2,268,685	$	11,653	$	419,225

Loans are designated as impaired when, in the opinion of management, based on current information and events, the collection of principal and interest in accordance with the loan contract is doubtful. Typically, United does not consider loans for impairment unless a sustained period of delinquency (i.e. 90 days or more) is noted or there are subsequent

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events that impact repayment probability (i.e. negative financial trends, bankruptcy filings, eminent foreclosure proceedings, etc.). Impairment is evaluated in total for smaller-balance loans of a similar nature and on an individual loan basis for other loans. Consistent with United’s existing method of income recognition for loans, interest on impaired loans, except those classified as nonaccrual, is recognized as income using the accrual method. Impaired loans, or portions thereof, are charged off when deemed uncollectible.

The following table sets forth United’s impaired loans information, by class of loans:

	Impaired Loans
	March 31, 2016						December 31, 2015
	Recorded Investment		Unpaid Principal Balance		Related Allowance		Recorded Investment		Unpaid Principal Balance		Related Allowance
With no related allowance recorded:
Commercial real estate:
Owner-occupied	$	27,976	$	28,508	$	0	$	36,615	$	36,828	$	0
Nonowner-occupied		65,019		65,469		0		69,053		69,517		0
Other commercial		28,977		30,870		0		30,433		32,158		0
Residential real estate		28,315		29,902		0		21,431		22,329		0
Construction & land development		23,785		25,844		0		28,245		29,953		0
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		27		27		0		32		32		0
With an allowance recorded:
Commercial real estate:
Owner-occupied	$	4,189	$	4,189	$	1,505	$	4,555	$	4,555	$	1,253
Nonowner-occupied		6,431		6,431		1,293		7,890		7,890		1,362
Other commercial		39,682		44,623		20,638		29,486		33,127		18,269
Residential real estate		12,313		13,048		2,324		13,305		14,625		2,118
Construction & land development		12,565		18,217		4,721		14,132		20,135		4,789
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		0		0		0		0		0		0
Total:
Commercial real estate:
Owner-occupied	$	32,165	$	32,697	$	1,505	$	41,170	$	41,383	$	1,253
Nonowner-occupied		71,450		71,900		1,293		76,943		77,407		1,362
Other commercial		68,659		75,493		20,638		59,919		65,285		18,269
Residential real estate		40,628		42,950		2,324		34,736		36,954		2,118
Construction & land development		36,350		44,061		4,721		42,377		50,088		4,789
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		27		27		0		32		32		0

	Impaired Loans
	For the Three Months Ended
	March 31, 2016				March 31, 2015
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
With no related allowance recorded:
Commercial real estate:
Owner-occupied	$	32,295	$	59	$	40,843	$	62
Nonowner-occupied		67,036		207		55,463		163
Other commercial		29,705		100		37,081		100
Residential real estate		24,873		140		30,814		49
Construction & land development		26,015		27		52,445		79
Consumer:
Bankcard		0		0		0		0
Other consumer		29		0		40		0

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	Impaired Loans
	For the Three Months Ended
	March 31, 2016				March 31, 2015
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
With an allowance recorded:
Commercial real estate:
Owner-occupied	$	4,372	$	27	$	4,988	$	38
Nonowner-occupied		7,160		43		6,981		39
Other commercial		34,583		130		18,695		64
Residential real estate		12,809		6		6,359		11
Construction & land development		13,349		42		10,287		35
Consumer:
Bankcard		0		0		0		0
Other consumer		0		0		0		0
Total:
Commercial real estate:
Owner-occupied	$	36,667	$	86	$	45,831	$	100
Nonowner-occupied		74,196		250		62,444		202
Other commercial		64,288		230		55,776		164
Residential real estate		37,682		146		37,173		60
Construction & land development		39,364		69		62,732		114
Consumer:
Bankcard		0		0		0		0
Other consumer		29		0		40		0

At March 31, 2016 and December 31, 2015, other real estate owned (OREO) included in other assets in the Consolidated Balance Sheets was $28,981 and $32,228, respectively. OREO consists of real estate acquired in foreclosure or other settlement of loans. Such assets are carried at the lower of the investment in the assets or the fair value of the assets less estimated selling costs. Any adjustment to the fair value at the date of transfer is charged against the allowance for loan losses. Any subsequent valuation adjustments as well as any costs relating to operating, holding or disposing of the property are recorded in other expense in the period incurred. At March 31, 2016 and December 31, 2015, the recorded investment of consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings are in process was $1,542 and $234, respectively.

6. ALLOWANCE FOR CREDIT LOSSES

The allowance for loan losses is management’s estimate of the probable credit losses inherent in the loan portfolio. Management’s evaluation of the adequacy of the allowance for loan losses and the appropriate provision for credit losses is based upon a quarterly evaluation of the portfolio. This evaluation is inherently subjective and requires significant estimates, including the amounts and timing of estimated future cash flows, estimated losses on pools of loans based on historical loss experience, and consideration of current economic trends, all of which are susceptible to constant and significant change. The amounts allocated to specific credits and loan pools grouped by similar risk characteristics are reviewed on a quarterly basis and adjusted as necessary based upon subsequent changes in circumstances. In determining the components of the allowance for credit losses, management considers the risk arising in part from, but not limited to, charge-off and delinquency trends, current economic and business conditions, lending policies and procedures, the size and risk characteristics of the loan portfolio, concentrations of credit, and other various factors. Loans deemed to be uncollectible are charged against the allowance for loan losses, while recoveries of previously charged-off amounts are credited to the allowance for loan losses.

For purposes of determining the general allowance, the loan portfolio is segregated by loan product type to recognize differing risk profiles among loan categories. It is further segregated by credit grade for risk-rated loan pools and delinquency for homogeneous loan pools. The outstanding principal balance within each pool is multiplied by historical loss data and certain qualitative factors to derive the general loss allocation per pool. Specific loss allocations are calculated for loans in excess of $500 thousand in accordance with ASC topic 310. Risk characteristics of owner-occupied

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commercial real estate loans and other commercial loans are similar in that they are normally dependent upon the borrower’s internal cash flow from operations to service debt. Nonowner-occupied commercial real estate loans differ in that cash flow to service debt is normally dependent on external income from third parties for use of the real estate such as rents, leases and room rates. Residential real estate loans are dependent upon individual borrowers who are affected by changes in general economic conditions, demand for housing and resulting residential real estate valuation. Construction and land development loans are impacted mainly by demand whether for new residential housing or for retail, industrial, office and other types of commercial construction within a given area. Consumer loan pool risk characteristics are influenced by general, regional and local economic conditions. During the first quarter of 2016, there were no material changes to the accounting policy or methodology related to the allowance for loan losses.

Loans deemed to be uncollectible are charged against the allowance for loan losses, while recoveries of previously charged-off amounts are credited to the allowance for loan losses. For commercial loans, when a loan or a portion of a loan is identified to contain a loss, a charge-off recommendation is directed to management to charge-off all or a portion of that loan. Generally, any unsecured commercial loan more than six months delinquent in payment of interest must be charged-off in full. If secured, the charge-off is generally made to reduce the loan balance to a level equal to the liquidation value of the collateral when payment of principal and interest is six months delinquent. Any commercial loan, secured or unsecured, on which a principal or interest payment has not been made within 90 days, is reviewed monthly for appropriate action.

For consumer loans, closed-end retail loans that are past due 120 cumulative days delinquent from the contractual due date and open-end loans 180 cumulative days delinquent from the contractual due date are charged-off. Any consumer loan on which a principal or interest payment has not been made within 90 days is reviewed monthly for appropriate action. For a one-to-four family open-end or closed-end residential real estate loan, home equity loan, or high-loan-to-value loan that has reached 180 or more days past due, management evaluates the collateral position and charge-offs any amount that exceeds the value of the collateral. On retail credits for which the borrower is in bankruptcy, all amounts deemed unrecoverable are charged off within 60 days of the receipt of the notification. On retail credits effected by fraud, a loan is charged-off within 90 days of the discovery of the fraud. In the event of the borrower’s death and if repayment within the required timeframe is uncertain, the loan is generally charged-off as soon as the amount of the loss is determined.

For loans acquired through the completion of a transfer, including loans acquired in a business combination, that have evidence of deterioration of credit quality since origination and for which it is probable, at acquisition, that United will be unable to collect all contractually required payment receivable are initially recorded at fair value (as determined by the present value of expected future cash flows) with no valuation allowance. The difference between the undiscounted cash flows expected at acquisition and the investment in the loan, or the “accretable yield,” is recognized as interest income on a level-yield method over the life of the loan. Contractually required payments for interest and principal that exceed the undiscounted cash flows expected at acquisition, or the “nonaccretable difference,” are not recognized as a yield adjustment or as a loss accrual or a valuation allowance. Increases in expected cash flows subsequent to the initial investment are recognized prospectively through adjustment of the yield on the loan over its remaining life. Decreases in expected cash flows are recognized as impairment. Valuation allowances on these impaired loans reflect only losses incurred after the acquisition (meaning the present value of all cash flows expected at acquisition that ultimately are not to be received). For the three months ended March 31, 2016, the re-estimation of the expected cash flows related to loans acquired that have evidence of deterioration of credit quality resulted in negative provision for loan losses expense of $437 as compared to provision for loan losses expense of $3,364 for the three months ended March 31, 2015.

United maintains an allowance for loan losses and a reserve for lending-related commitments such as unfunded loan commitments and letters of credit. The reserve for lending-related commitments of $1,193 and $936 at March 31, 2016 and December 31, 2015, respectively, is separately classified on the balance sheet and is included in other liabilities. The combined allowance for loan losses and reserve for lending-related commitments are referred to as the allowance for credit losses.

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A progression of the allowance for loan losses, by loan portfolio segment, for the three months ended March 31, 2016 and year ended December 31, 2015 are summarized as follows:

Allowance for Loan Losses and Carrying Amount of Loans

For the Three Months Ended March 31, 2016

	Commercial Real Estate						Other Commercial			Residential Real Estate			Construction & Land Development			Consumer			Allowance for Estimated Imprecision			Total
	Owner- occupied			Nonowner- occupied
Allowance for Loan Losses:
Beginning balance	$	3,637		$	5,309		$	31,328		$	15,148		$	18,205		$	1,995		$	104		$	75,726
Charge-offs		(1,345	)		(363	)		(3,754	)		(709	)		(0	)		(775	)		(0	)		(6,946	)
Recoveries		781			504			980			211			59			140			0			2,675
Provision		2,275			751			4,086			(1,103	)		(2,998	)		913			111			4,035
Ending balance	$	5,348		$	6,201		$	32,640		$	13,547		$	15,266		$	2,273		$	215		$	75,490
Ending Balance: individually evaluated for impairment	$	1,505		$	1,293		$	20,638		$	2,325		$	4,722		$	0		$	0		$	30,483
Ending Balance: collectively evaluated for impairment	$	3,843		$	4,908		$	12,002		$	11,222		$	10,544		$	2,273		$	215		$	45,007
Ending Balance: loans acquired with deteriorated credit quality	$	0		$	0		$	0		$	0		$	0		$	0		$	0		$	0
Financing receivables:
Ending balance	$	918,334		$	2,944,573		$	1,572,060		$	2,272,589		$	1,222,119		$	463,525		$	0		$	9,393,200
Ending Balance: individually evaluated for impairment	$	11,796		$	20,744		$	45,253		$	14,603		$	15,456		$	0		$	0		$	107,852
Ending Balance: collectively evaluated for impairment	$	888,869		$	2,872,875		$	1,505,804		$	2,245,904		$	1,177,673		$	463,489		$	0		$	9,154,614
Ending Balance: loans acquired with deteriorated credit quality	$	17,669		$	50,954		$	21,003		$	12,082		$	28,990		$	36		$	0		$	130,734

Allowance for Loan Losses and Carrying Amount of Loans

For the Year Ended December 31, 2015

	Commercial Real Estate						Other Commercial			Residential Real Estate			Construction & Land Development			Consumer			Allowance for Estimated Imprecision			Total
	Owner- occupied			Nonowner- occupied
Allowance for Loan Losses:
Beginning balance	$	4,041		$	8,167		$	26,931		$	13,835		$	19,402		$	3,083		$	70		$	75,529
Charge-offs		(4,755	)		(1,120	)		(10,042	)		(6,411	)		(862	)		(2,309	)		(0	)		(25,499	)
Recoveries		829			74			714			495			511			499			0			3,122
Provision		3,522			(1,812	)		13,725			7,229			(846	)		722			34			22,574

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Allowance for Loan Losses and Carrying Amount of Loans

For the Year Ended December 31, 2015

	Commercial Real Estate				Other Commercial		Residential Real Estate		Construction & Land Development		Consumer		Allowance for Estimated Imprecision		Total
	Owner- occupied		Nonowner- occupied
Ending balance	$	3,637	$	5,309	$	31,328	$	15,148	$	18,205	$	1,995	$	104	$	75,726
Ending Balance: individually evaluated for impairment	$	1,253	$	1,362	$	18,269	$	2,119	$	4,789	$	0	$	0	$	27,792
Ending Balance: collectively evaluated for impairment	$	2,384	$	3,947	$	13,059	$	13,029	$	13,416	$	1,995	$	104	$	47,934
Ending Balance: loans acquired with deteriorated credit quality	$	0	$	0	$	0	$	0	$	0	$	0	$	0	$	0
Financing receivables:
Ending balance	$	927,746	$	2,896,367	$	1,602,222	$	2,268,685	$	1,273,054	$	430,878	$	0	$	9,398,952
Ending Balance: individually evaluated for impairment	$	12,670	$	26,152	$	35,342	$	17,782	$	15,779	$	0	$	0	$	107,725
Ending Balance: collectively evaluated for impairment	$	888,802	$	2,817,748	$	1,546,018	$	2,237,865	$	1,221,760	$	430,837	$	0	$	9,143,030
Ending Balance: loans acquired with deteriorated credit quality	$	26,274	$	52,467	$	20,862	$	13,038	$	35,515	$	41	$	0	$	148,197

7. INTANGIBLE ASSETS

The following is a summary of intangible assets subject to amortization and those not subject to amortization:

	As of March 31, 2016
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Amortized intangible assets:
Core deposit intangible assets	$	60,577	($	43,482	)	$	17,095
Goodwill not subject to amortization						$	710,252
	As of December 31, 2015
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Amortized intangible assets:
Core deposit intangible assets	$	60,577	($	42,737	)	$	17,840
Goodwill not subject to amortization						$	710,252

United incurred amortization expense of $745 and $855 for the quarters ended March 31, 2016 and 2015, respectively.

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The following table sets forth the anticipated amortization expense for intangible assets for the years subsequent to 2015:

Year	Amount
2016	$	2,981
2017		2,767
2018		2,574
2019		2,476
2020 and thereafter		7,042

8. SHORT-TERM BORROWINGS

Federal funds purchased and securities sold under agreements to repurchase are a significant source of funds for the Company. United has various unused lines of credit available from certain of its correspondent banks in the aggregate amount of $264,000. These lines of credit, which bear interest at prevailing market rates, permit United to borrow funds in the overnight market, and are renewable annually subject to certain conditions. At March 31, 2016, federal funds purchased were $27,100 while total securities sold under agreements to repurchase (REPOs) were $315,475. Included in the $315,475 of total REPOs is a wholesale REPOs of $50,493, including purchase accounting amounts, assumed in the Virginia Commerce merger. This wholesale REPO is scheduled to mature in May of 2018. The securities sold under agreements to repurchase were accounted for as collateralized financial transactions. They were recorded at the amounts at which the securities were acquired or sold plus accrued interest.

United has a $20,000 line of credit with an unrelated financial institution to provide for general liquidity needs. The line is an unsecured, revolving line of credit. The line will be renewable on a 360-day basis and will carry an indexed, floating-rate of interest. The line requires compliance with various financial and nonfinancial covenants. At March 31, 2016, United had no outstanding balance under this line of credit.

9. LONG-TERM BORROWINGS

United’s subsidiary banks are members of the Federal Home Loan Bank (FHLB). Membership in the FHLB makes available short-term and long-term borrowings from collateralized advances. All FHLB borrowings are collateralized by a mix of single-family residential mortgage loans, commercial loans and investment securities. At March 31, 2016, United had an unused borrowing amount of approximately $2,368,741 available subject to delivery of collateral after certain trigger points. Advances may be called by the FHLB or redeemed by United based on predefined factors and penalties.

At March 31, 2016, $885,855 of FHLB advances with a weighted-average interest rate of 0.52% are scheduled to mature within the next five years. Overnight funds of $125,000 with an interest rate of 0.44% are included in the $885,855 above at March 31, 2016. The scheduled maturities of these FHLB borrowings are as follows:

Year	Amount
2016	$	850,599
2017		256
2018		0
2019		35,000
2020 and thereafter		0
Total	$	885,855

At March 31, 2016, United had a total of thirteen statutory business trusts that were formed for the purpose of issuing or participating in pools of trust preferred capital securities (Capital Securities) with the proceeds invested in junior subordinated debt securities (Debentures) of United. The Debentures, which are subordinate and junior in right of payment to all present and future senior indebtedness and certain other financial obligations of United, are the sole assets of the trusts and United’s payment under the Debentures is the sole source of revenue for the trusts. At March 31,

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2016 and December 31, 2015, the outstanding balance of the Debentures was $223,723 and $223,506, respectively, and was included in the category of long-term debt on the Consolidated Balance Sheets entitled “Other long-term borrowings.” The Capital Securities are not included as a component of shareholders’ equity in the Consolidated Balance Sheets. United fully and unconditionally guarantees each individual trust’s obligations under the Capital Securities.

Under the provisions of the subordinated debt, United has the right to defer payment of interest on the subordinated debt at any time, or from time to time, for periods not exceeding five years. If interest payments on the subordinated debt are deferred, the dividends on the Capital Securities are also deferred. Interest on the subordinated debt is cumulative.

In July of 2013, United’s primary federal regulator, the Federal Reserve, published final rules (the “Basel III Capital Rules”) establishing a new comprehensive capital framework for U.S. banking organizations which were effective for United on January 1, 2015. The Basel III Capital Rules permit bank holding companies such as United with less than $15 billion in total consolidated assets as of December 31, 2009 to include in additional Tier 1 Capital trust preferred securities and cumulative perpetual preferred stock issued and included in Tier 1 Capital prior to May 19, 2010 on a permanent basis, without any phase-out. However, United’s Trust Preferred Securities are subject to a limit of 25 percent of Tier 1 capital elements excluding any non-qualifying capital instruments and after all regulatory capital deductions and adjustments applied to Tier 1 capital. Trust Preferred Securities no longer included in United’s Tier 1 capital may be included as a component of Tier 2 capital on a permanent basis without phase-out. As of March 31, 2016, all of United’s Trust Preferred Securities qualify as Tier 1 Capital.

10. COMMITMENTS AND CONTINGENT LIABILITIES

United is a party to financial instruments with off-balance-sheet risk in the normal course of business to meet the financing needs of its customers and to alter its own exposure to fluctuations in interest rates. These financial instruments include loan commitments, standby letters of credit, and interest rate swap agreements. The instruments involve, to varying degrees, elements of credit and interest rate risk in excess of the amount recognized in the financial statements.

United’s maximum exposure to credit loss in the event of nonperformance by the counterparty to the financial instrument for the loan commitments and standby letters of credit is the contractual or notional amount of those instruments. United uses the same policies in making commitments and conditional obligations as it does for on-balance sheet instruments. Collateral may be obtained, if deemed necessary, based on management’s credit evaluation of the counterparty.

Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the commitment contract. Commitments generally have fixed expiration dates or other termination clauses and may require the payment of a fee. Since many of the commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily, and historically do not, represent future cash requirements. The amount of collateral obtained, if deemed necessary upon the extension of credit, is based on management’s credit evaluation of the counterparty. United had approximately $2,550,476 and $2,587,957 of loan commitments outstanding as of March 31, 2016 and December 31, 2015, respectively, approximately half of which expire within one year.

Commercial and standby letters of credit are agreements used by United’s customers as a means of improving their credit standing in their dealings with others. Under these agreements, United guarantees certain financial commitments of its customers. A commercial letter of credit is issued specifically to facilitate trade or commerce. Typically, under the terms of a commercial letter of credit, a commitment is drawn upon when the underlying transaction is consummated as intended between the customer and a third party. As of March 31, 2016 and December 31, 2015, United had $226 of outstanding commercial letters of credit. A standby letter of credit is generally contingent upon the

31

failure of a customer to perform according to the terms of an underlying contract with a third party. United has issued standby letters of credit of $124,936 and $135,146 as of March 31, 2016 and December 31, 2015, respectively. In accordance with the Contingencies Topic of the FASB Accounting Standards Codification, United has determined that substantially all of its letters of credit are renewed on an annual basis and the fees associated with these letters of credit are immaterial.

United and its subsidiaries are currently involved in various legal proceedings in the normal course of business. Management is vigorously pursuing all its legal and factual defenses and, after consultation with legal counsel, believes that all such litigation will be resolved with no material effect on United’s financial position.

11. DERIVATIVE FINANCIAL INSTRUMENTS

United uses derivative instruments to help manage adverse prices or interest rate movements on the value of certain assets or liabilities and on future cash flows. These derivatives may consist of interest rate swaps, caps, floors, collars, futures, forward contracts, written and purchased options. United also executes derivative instruments with its commercial banking customers to facilitate its risk management strategies.

United accounts for its derivative financial instruments in accordance with the Derivatives and Hedging topic of the FASB Accounting Standards Codification. The Derivatives and Hedging topic require all derivative instruments to be carried at fair value on the balance sheet. United has designated certain derivative instruments used to manage interest rate risk as hedge relationships with certain assets, liabilities or cash flows being hedged. Certain derivatives used for interest rate risk management are not designated in a hedge relationship.

Derivative instruments designated in a hedge relationship to mitigate 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. Derivative instruments designated in a hedge relationship to mitigate exposure to variability in expected future cash flows, or other types of forecasted transactions, are considered cash flow hedges. As of March 31, 2016, United has only fair value hedges.

For a fair value hedge, the fair value of the interest rate swap is recognized on the balance sheet as either a freestanding asset or liability with a corresponding adjustment to the hedged financial instrument. Subsequent adjustments due to changes in the fair value of a derivative that qualifies as a fair value hedge are offset in current period earnings. For a cash flow hedge, the fair value of the interest rate swap is recognized on the balance sheet as either a freestanding asset or liability with a corresponding adjustment to other comprehensive income within shareholders’ equity, net of tax. Subsequent adjustments due to changes in the fair value of a derivative that qualifies as a cash flow hedge are offset to other comprehensive income, net of tax. The portion of a hedge that is ineffective is recognized immediately in earnings.

At inception of a hedge relationship, United formally documents the hedged item, the particular risk management objective, the nature of the risk being hedged, the derivative being used, how effectiveness of the hedge will be assessed and how the ineffectiveness of the hedge will be measured. United also assesses hedge effectiveness at inception and on an ongoing basis using regression analysis. Hedge ineffectiveness is measured by using the change in fair value method. The change in fair value method compares the change in the fair value of the hedging derivative to the change in the fair value of the hedged exposure, attributable to changes in the benchmark rate. The portion of a hedge that is ineffective is recognized immediately in earnings.

The derivative portfolio also includes derivative financial instruments not included in hedge relationships. These derivatives consist of interest rate swaps used for interest rate management purposes and derivatives executed with commercial banking customers to facilitate their interest rate management strategies. For derivatives that are not designated in a hedge relationship, changes in the fair value of the derivatives are recognized in earnings in the same period as the change in fair value. Gains and losses on other derivative financial instruments are included in noninterest income and noninterest expense, respectively.

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The following table sets forth certain information regarding the interest rate derivatives portfolio used for interest-rate risk management purposes and designated as accounting hedges under the Derivatives and Hedging topic at March 31, 2016.

Derivative Classifications and Hedging Relationships March 31, 2016
	Notional Amount		Average Pay Rate
Fair Value Hedges:
Pay Fixed Swaps (Hedging Commercial Loans)	$	96,830		3.64	%
Total Derivatives Used in Fair Value Hedges	$	96,830
Total Derivatives Used for Interest Rate Risk Management and Designated as Hedges	$	96,930

The following tables summarize the fair value of United’s derivative financial instruments.

	Asset Derivatives
	March 31, 2016				December 31, 2015
	Balance Sheet Location		Fair Value		Balance Sheet Location		Fair Value
Derivatives designated as hedging instruments
Interest rate contracts		Other assets	$	0		Other assets	$	0
Total derivatives designated as hedging instruments			$	0			$	0
Derivatives not designated as hedging instruments
Interest rate contracts		Other assets	$	3,164		Other assets	$	2,942
Total derivatives not designated as hedging instruments			$	3,164			$	2,942
Total asset derivatives			$	3,164			$	2,942
	Liability Derivatives
	March 31, 2016				December 31, 2015
	Balance Sheet Location		Fair Value		Balance Sheet Location		Fair Value
Derivatives designated as hedging instruments
Interest rate contracts		Other liabilities	$	4,807		Other liabilities	$	1,179
Total derivatives designated as hedging instruments			$	4,807			$	1,179
Derivatives not designated as hedging instruments
Interest rate contracts		Other liabilities	$	3,164		Other liabilities	$	2,942
Total derivatives not designated as hedging instruments			$	3,164			$	2,942
Total liability derivatives			$	7,971			$	4,121

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Derivative contracts involve the risk of dealing with both bank customers and institutional derivative counterparties and their ability to meet contractual terms. Credit risk arises from the possible inability of counterparties to meet the terms of their contracts. United’s exposure is limited to the replacement value of the contracts rather than the notional amount of the contract. The Company’s agreements generally contain provisions that limit the unsecured exposure up to an agreed upon threshold. Additionally, the Company attempts to minimize credit risk through certain approval processes established by management.

The effect of United’s derivative financial instruments on it Consolidated Statement of Income for the first three months ended March 31, 2016 and 2015 is presented below:

				Three Months Ended
	Income  Statement Location			March 31, 2016		March 31, 2015
Derivatives in fair value hedging relationships
Interest rate contracts		Interest income/	(expense)	$	281	$	(424	)
Total derivatives in fair value hedging relationships				$	281	$	(424	)
Derivatives not designated as hedging instruments
Interest rate contracts (1)		Other income		$	0	$	0
Total derivatives not designated as hedging instruments				$	0	$	0
Total derivatives				$	281	$	(424	)

(1) Represents net gains and net losses from derivative assets not designated as hedging instruments.

For the first three months ended March 31, 2016 and 2015, changes in the fair value of any interest rate swaps attributed to hedge ineffectiveness were recorded, but were not significant to United’s Consolidated Statements of Income.

12. FAIR VALUE MEASUREMENTS

United determines the fair values of its financial instruments based on the fair value hierarchy established by ASC topic 820, which also clarifies that fair value of certain assets and liabilities is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants.

The Fair Value Measurements and Disclosures topic specifies a hierarchy of valuation techniques based on whether the inputs to those valuation techniques are observable or unobservable. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect United’s market assumptions.

The three levels of the fair value hierarchy, based on these two types of inputs, are as follows:

Level 1	-	Valuation is based on quoted prices in active markets for identical assets and liabilities.
Level 2	-	Valuation is based on observable inputs including quoted prices in active markets for similar assets and liabilities, quoted prices for identical or similar assets and liabilities in less active markets, and model-based valuation techniques for which significant assumptions can be derived primarily from or corroborated by observable data in the market.
Level 3	-	Valuation is based on model-based techniques that use one or more significant inputs or assumptions that are unobservable in the market.

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When determining the fair value measurements for assets and liabilities, United looks to active and observable markets to price identical assets or liabilities whenever possible and classifies such items in Level 1. When identical assets and liabilities are not traded in active markets, United looks to market observable data for similar assets and liabilities and classifies such items as Level 2. Nevertheless, certain assets and liabilities are not actively traded in observable markets and United must use alternative valuation techniques using unobservable inputs to determine a fair value and classifies such items as Level 3. For assets and liabilities that are not actively traded, the fair value measurement is based primarily upon estimates that require significant judgment. Therefore, the results may not be realized in an actual sale or immediate settlement of the asset or liability. Additionally, there are inherent weaknesses in any calculation technique, and changes in the underlying assumptions used, including discount rates and estimates of future cash flows, could significantly affect the results of current or future values. The level within the fair value hierarchy is based on the lowest level of input that is significant in the fair value measurement.

In accordance with ASC topic 820, the following describes the valuation techniques used by United to measure certain financial assets and liabilities recorded at fair value on a recurring basis in the financial statements:

Securities available for sale: Securities available for sale are recorded at fair value on a recurring basis. Fair value measurement is based upon quoted market prices, when available (Level 1). If quoted market prices are not available, fair values are measured utilizing independent valuation techniques of identical or similar securities for which significant assumptions are derived primarily from or corroborated by observable market data. Using a market approach valuation methodology, third party vendors compile prices from various sources and may determine the fair value of identical or similar securities by using pricing models that considers observable market data (Level 2). Management internally reviews the fair values provided by third party vendors on a monthly basis. Management’s review consists of comparing fair values assigned by third party vendors to trades and offerings observed by management. The review requires some degree of judgment as to the number or percentage of securities to review on the part of management which could fluctuate based on results of past reviews and in comparison to current expectations. Exceptions that are deemed to be material are reviewed by management. Additionally, to assess the reliability of the information received from third party vendors, management obtains documentation from third party vendors related to the sources, methodologies, and inputs utilized in valuing securities classified as Level 2. Management analyzes this information to ensure the underlying assumptions appear reasonable. Management also obtains an independent service auditor’s report from third party vendors to provide reasonable assurance that appropriate controls are in place over the valuation process. Upon completing its review of the pricing from third party vendors at March 31, 2016, management determined that the prices provided by its third party pricing source were reasonable and in line with management’s expectations for the market values of these securities. Therefore, prices obtained from third party vendors that did not reflect forced liquidation or distressed sales were not adjusted by management at March 31, 2016. Management utilizes a number of factors to determine if a market is inactive, all of which may require a significant level of judgment. Factors that management considers include: a significant widening of the bid-ask spread, a considerable decline in the volume and level of trading activity in the instrument, a significant variance in prices among market participants, and a significant reduction in the level of observable inputs. Any securities available for sale not valued based upon quoted market prices or third party pricing models that consider observable market data are considered Level 3. Currently, United considers its valuation of available-for-sale Trup Cdos as Level 3. The Fair Value Measurements and Disclosures topic assumes that fair values of financial assets are determined in an orderly transaction and not a forced liquidation or distressed sale at the measurement date. Based on financial market conditions, United feels that the fair values obtained from its third party vendor reflect forced liquidation or distressed sales for these Trup Cdos due to decreased volume and trading activity. Additionally, management held discussions with institutional traders to identify trends in the number and type of transactions related to the Trup Cdos sector. Based upon management’s review of the market conditions for Trup Cdos, it was determined that an income approach valuation technique (present value technique) that maximizes the use of relevant observable inputs and minimizes the use of unobservable inputs is more representative of fair value than the valuation technique used by United’s third party vendor. The present value technique discounts expected future cash flows of a security to arrive at a present value. Management considers the following items when calculating the appropriate discount rate: the implied rate of return when the market was last

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active, changes in the implied rate of return as markets moved from very active to inactive, recent changes in credit ratings, and recent activity showing that the market has built in increased liquidity and credit premiums. Management’s internal credit review of each security was also factored in to determine the appropriate discount rate. The credit review considered each security’s collateral, subordination, excess spread, priority of claims, principal and interest. Discount margins used in the valuation at March 31, 2016 ranged from LIBOR plus 3.75% to LIBOR plus 12.50%. Management completed a sensitivity analysis on the fair value of its Trup Cdos. Given a comprehensive 200 basis point increase in the discount rates, the total fair value of these securities would decline by approximately 17%, or $5,697.

Derivatives: United utilizes interest rate swaps to hedge exposure to interest rate risk and variability of cash flows associated to changes in the underlying interest rate of the hedged item. These hedging interest rate swaps are classified as either a fair value hedge or a cash flow hedge. United’s derivative portfolio also includes derivative financial instruments not included in hedge relationships. These derivatives consist of interest rate swaps used for interest rate management purposes and derivatives executed with commercial banking customers to facilitate their interest rate management strategies. United utilizes third-party vendors for derivative valuation purposes. These vendors determine the appropriate fair value based on a net present value calculation of the cash flows related to the interest rate swaps using primarily observable market inputs such as interest rate yield curves (Level 2). Valuation adjustments to derivative fair values for liquidity and credit risk are also taken into consideration, as well as the likelihood of default by United and derivative counterparties, the net counterparty exposure and the remaining maturities of the positions. Values obtained from third party vendors are typically not adjusted by management. Management internally reviews the derivative values provided by third party vendors on a quarterly basis. All derivative values are tested for reasonableness by management utilizing a net present value calculation.

For a fair value hedge, the fair value of the interest rate swap is recognized on the balance sheet as either a freestanding asset or liability with a corresponding adjustment to the hedged financial instrument. Subsequent adjustments due to changes in the fair value of a derivative that qualifies as a fair value hedge are offset in current period earnings either in interest income or interest expense depending on the nature of the hedged financial instrument. For a cash flow hedge, the fair value of the interest rate swap is recognized on the balance sheet as either a freestanding asset or liability with a corresponding adjustment to other comprehensive income within shareholders’ equity, net of tax. Subsequent adjustments due to changes in the fair value of a derivative that qualifies as a cash flow hedge are offset to other comprehensive income, net of tax. The portion of a hedge that is ineffective is recognized immediately in earnings.

For derivatives that are not designated in a hedge relationship, changes in the fair value of the derivatives are recognized in earnings in the same period as the change in the fair value. Unrealized gains and losses due to changes in the fair value of other derivative financial instruments not in hedge relationship are included in noninterest income and noninterest expense, respectively.

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The following tables present the balances of financial assets and liabilities measured at fair value on a recurring basis as of March 31, 2016 and December 31, 2015, segregated by the level of the valuation inputs within the fair value hierarchy.

			Fair Value at March 31, 2016 Using
Description	Balance as of March 31, 2016		Quoted Prices in  Active Markets  for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Available for sale debt securities:
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	73,356	$	0	$	73,356	$	0
State and political subdivisions		135,829		0		135,829		0
Residential mortgage-backed securities
Agency		477,292		0		477,292		0
Non-agency		8,754		0		8,754		0
Asset-backed securities		2,637		0		2,637		0
Commercial mortgage-backed securities
Agency		305,802		0		305,802		0
Trust preferred collateralized debt obligations		32,593		0		0		32,593
Single issue trust preferred securities		10,960		0		10,960		0
Other corporate securities		15,081		0		15,081		0
Total available for sale debt securities		1,062,304		0		1,029,711		32,593
Available for sale equity securities:
Financial services industry		3,186		757		2,429		0
Equity mutual funds (1)		1,623		1,623		0		0
Other equity securities		1,139		1,139		0		0
Total available for sale equity securities		5,948		3,519		2,429		0
Total available for sale securities		1,068,252		3,519		1,032,140		32,593
Derivative financial assets:
Interest rate contracts		3,164		0		3,164		0
Liabilities
Derivative financial liabilities:
Interest rate contracts		7,971		0		7,971		0

(1) The equity mutual funds are within a rabbi trust for the payment of benefits under a deferred compensation plan for certain key officers of United and its subsidiaries.

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			Fair Value at December 31, 2015 Using
Description	Balance as  of December 31, 2015		Quoted Prices in  Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Available for sale debt securities:
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	73,786	$	0	$	73,786	$	0
State and political subdivisions		133,778		0		133,778		0
Residential mortgage-backed securities
Agency		477,982		0		477,982		0
Non-agency		9,571		0		9,571		0
Asset-backed securities		3,399		0		3,399		0
Commercial mortgage-backed securities
Agency		305,935		0		305,935		0
Trust preferred collateralized debt obligations		34,686		0		0		34,686
Single issue trust preferred securities		11,693		0		11,693		0
Other corporate securities		10,049		0		10,049		0
Total available for sale debt securities		1,060,879		0		1,026,193		34,686
Available for sale equity securities:
Financial services industry		2,723		800		1,923		0
Equity mutual funds (1)		1,596		1,596		0		0
Other equity securities		1,136		1,136		0		0
Total available for sale equity securities		5,455		3,532		1,923		0
Total available for sale securities		1,066,334		3,532		1,028,116		34,686
Derivative financial assets:
Interest rate contracts		2,942		0		2,942		0
Liabilities
Derivative financial liabilities:
Interest rate contracts		4,121		0		4,121		0

(1) The equity mutual funds are within a rabbi trust for the payment of benefits under a deferred compensation plan for certain key officers of United and its subsidiaries.

There were no transfers between Level 1 and Level 2 for financial assets and liabilities measured at fair value on a recurring basis during the three months ended March 31, 2016 and the year ended December 31, 2015. The following table presents additional information about financial assets and liabilities measured at fair value at March 31, 2016 and December 31, 2015 on a recurring basis and for which United has utilized Level 3 inputs to determine fair value:

	Available-for-sale Securities
	Trust preferred collateralized debt obligations
	March 31, 2016			December 31, 2015
Balance, beginning of period	$	34,686		$	39,558
Total gains or losses (realized/unrealized):
Included in earnings (or changes in net assets)		0			(34	)
Included in other comprehensive income		(2,093	)		(4,838	)
Purchases, issuances, and settlements		0			0
Transfers in and/or out of Level 3		0			0
Balance, end of period	$	32,593		$	34,686
The amount of total gains or losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to assets still held at reporting date		0			0

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Certain financial assets are measured at fair value on a nonrecurring basis in accordance with GAAP. Adjustments to the fair value of these assets usually result from the application of lower-of-cost-or-market accounting or write-downs of individual assets.

The following describes the valuation techniques used by United to measure certain financial assets recorded at fair value on a non-recurring basis in the financial statements.

Loans held for sale: Loans held for sale are carried at the lower of cost or fair value. These loans currently consist of one-to-four family residential loans originated for sale in the secondary market. Fair value is based on the price secondary markets are currently offering for similar loans using observable market data which is not materially different than cost due to the short duration between origination and sale (Level 2). As such, United records any fair value adjustments on a nonrecurring basis. No nonrecurring fair value adjustments were recorded on loans held for sale during the quarter ended March 31, 2016. Gains and losses on sale of loans are recorded within income from mortgage banking on the Consolidated Statements of Income.

Impaired Loans: Loans are designated as impaired when, in the judgment of management based on current information and events, it is probable that all amounts due according to the contractual terms of the loan agreement will not be collected. Impairment is measured based upon the present value of expected future cash flows from the loan discounted at the loan’s effective rate and the loan’s observable market price or the fair value of collateral, if the loan is collateral dependent. Fair value is measured using a market approach based on the value of the collateral securing the loans. Collateral may be in the form of real estate or business assets including equipment, inventory, and accounts receivable. The vast majority of the collateral is real estate. The value of real estate collateral is determined utilizing an appraisal conducted by an independent, licensed appraiser outside of the Company using comparable property sales (Level 2). However, if the collateral is a house or building in the process of construction or if an appraisal of the real estate property is over two years old, then the fair value is considered Level 3. The value of business equipment is based upon an outside appraisal if deemed significant, or the net book value on the applicable business’ financial statements if not considered significant using observable market data. Likewise, values for inventory and accounts receivables collateral are based on financial statement balances or aging reports (Level 3). For impaired loans, a specific reserve is established through the Allowance for Loan Losses, if necessary, by estimating the fair value of the underlying collateral on a nonrecurring basis. Any fair value adjustments are recorded in the period incurred as provision for credit losses expense on the Consolidated Statements of Income.

OREO: OREO consists of real estate acquired in foreclosure or other settlement of loans. Such assets are carried on the balance sheet at the lower of the investment in the assets or the fair value of the assets less estimated selling costs. Fair value is determined by one of two market approach methods depending on whether the property has been vacated and an appraisal can be conducted. If the property has yet to be vacated and thus an appraisal cannot be performed, a Brokers Price Opinion (i.e. BPO), is obtained. A BPO represents a best estimate valuation performed by a realtor based on knowledge of current property values and a visual examination of the exterior condition of the property. Once the property is subsequently vacated, a formal appraisal is obtained and the recorded asset value appropriately adjusted. On the other hand, if the OREO property has been vacated and an appraisal can be conducted, the fair value of the property is determined based upon the appraisal using a market approach. An authorized independent appraiser conducts appraisals for United. Appraisals for property other than ongoing construction are based on consideration of comparable property sales (Level 2). In contrast, valuation of ongoing construction assets requires some degree of professional judgment. In conducting an appraisal for ongoing construction property, the appraiser develops two appraised amounts: an “as is” appraised value and a “completed” value. Based on professional judgment and their knowledge of the particular situation, management determines the appropriate fair value to be utilized for such property (Level 3). As a matter of policy, valuations are reviewed at least annually and appraisals are generally updated on a bi-annual basis with values lowered as necessary.

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Intangible Assets: For United, intangible assets consist of goodwill and core deposit intangibles. Goodwill is tested for impairment at least annually or sooner if indicators of impairment exist. Goodwill impairment would be defined as the difference between the recorded value of goodwill (i.e. book value) and the implied fair value of goodwill. In determining the implied fair value of goodwill for purposes of evaluating goodwill impairment, United determines the fair value of the reporting unit using a market approach and compares the fair value to its carrying value. If the carrying value exceeds the fair value, a step two test is performed whereby the implied fair value is computed by deducting the fair value of all tangible and intangible net assets from the fair value of the reporting unit. Core deposit intangibles relate to the estimated value of the deposit base of acquired institutions. Management reviews core deposit intangible assets on an annual basis, or sooner if indicators of impairment exist, and evaluates changes in facts and circumstances that may indicate impairment in the carrying value. No fair value measurement of intangible assets was made during the first quarter of 2016 and 2015.

The following table summarizes United’s financial assets that were measured at fair value on a nonrecurring basis during the period.

Description	Balance as  of March 31, 2016		Carrying value at March 31, 2016						YTD Losses
			Quoted Prices in  Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Impaired Loans	$	75,180	$	0	$	34,171	$	41,009	$	2,504
OREO		28,981		0		27,266		1,715		338
Description	Balance as of December 31, 2015		Carrying value at December 31, 2015						YTD Losses
			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Impaired Loans	$	69,368	$	0	$	29,186	$	40,182	$	8,485
OREO		32,228		0		32,228		0		1,141

The following methods and assumptions were used by United in estimating its fair value disclosures for other financial instruments:

Cash and Cash Equivalents: The carrying amounts reported in the balance sheet for cash and cash equivalents approximate those assets’ fair values.

Securities held to maturity and other securities: The estimated fair values of held to maturity are based on quoted market prices, where available. If quoted market prices are not available, fair values are measured utilizing independent valuation techniques of identical or similar securities for which significant assumptions are derived primarily from or corroborated by observable market data. Third party vendors compile prices from various sources and may determine the fair value of identical or similar securities by using pricing models that considers observable market data. Any securities held to maturity, not valued based upon the methods above, are valued based on a discounted cash flow methodology using appropriately adjusted discount rates reflecting nonperformance and liquidity risks. Other securities consist mainly of shares of Federal Home Loan Bank and Federal Reserve Bank stock that do not have readily determinable fair values and are carried at cost.

Loans: The fair values of certain mortgage loans (e.g., one-to-four family residential), credit card loans, and other consumer loans are based on quoted market prices of similar loans sold in conjunction with securitization transactions,

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adjusted for differences in loan characteristics. The fair values of other loans (e.g., commercial real estate and rental property mortgage loans, commercial and industrial loans, financial institution loans and agricultural loans) are estimated using discounted cash flow analyses, using market interest rates currently being offered for loans with similar terms to borrowers of similar creditworthiness, which include adjustments for liquidity concerns. For acquired impaired loans, fair value is assumed to equal United’s carrying value, which represents the present value of expected future principal and interest cash flows, as adjusted for any Allowance for Loan Losses recorded for these loans.

Deposits: The fair values of demand deposits (e.g., interest and noninterest checking, regular savings and certain types of money market accounts) are, by definition, equal to the amount payable on demand at the reporting date (i.e., their carrying amounts). The carrying amounts of variable-rate, fixed-term money market accounts and certificates of deposit approximate their fair values at the reporting date. Fair values of fixed-rate certificates of deposit are estimated using a discounted cash flow calculation that applies interest rates currently being offered on certificates to a schedule of aggregated expected monthly maturities on time deposits.

Short-term Borrowings: The carrying amounts of federal funds purchased, borrowings under repurchase agreements and any other short-term borrowings approximate their fair values.

Long-term Borrowings: The fair values of United’s Federal Home Loan Bank borrowings and trust preferred securities are estimated using discounted cash flow analyses, based on United’s current incremental borrowing rates for similar types of borrowing arrangements.

The estimated fair values of United’s financial instruments are summarized below:

					Fair Value Measurements
	Carrying Amount		Fair Value		Quoted Prices in Active Markets  for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
March 31, 2016
Cash and cash equivalents	$	904,841	$	904,841	$	0	$	904,841	$	0
Securities available for sale		1,068,252		1,068,252		3,519		1,032,140		32,593
Securities held to maturity		39,058		35,567		0		32,547		3,020
Other securities		100,000		95,000		0		0		95,000
Loans held for sale		5,395		5,395		0		5,395		0
Loans		9,302,903		9,350,404		0		0		9,350,404
Derivative financial assets		3,164		3,164		0		3,164		0
Deposits		9,324,568		9,310,035		0		9,310,035		0
Short-term borrowings		417,082		417,082		0		417,082		0
Long-term borrowings		1,035,071		1,007,356		0		1,007,356		0
Derivative financial liabilities		7,971		7,971		0		7,971		0
December 31, 2015
Cash and cash equivalents	$	857,335	$	857,335	$	0	$	857,335	$	0
Securities available for sale		1,066,334		1,066,334		3,532		1,028,116		34,686
Securities held to maturity		39,099		36,320		0		33,300		3,020
Other securities		98,749		93,811		0		0		93,811
Loans held for sale		10,681		10,681		0		10,681		0
Loans		9,308,354		9,289,463		0		0		9,289,463
Derivative financial assets		2,942		2,942		0		2,942		0
Deposits		9,341,527		9,332,451		0		9,332,451		0

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					Fair Value Measurements
	Carrying Amount		Fair Value		Quoted Prices in Active Markets  for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Short-term borrowings		423,028		423,028		0		423,028		0
Long-term borrowings		1,015,249		988,270		0		988,270		0
Derivative financial liabilities		4,121		4,121		0		4,121		0

13. STOCK BASED COMPENSATION

On May 16, 2011, United’s shareholders approved the 2011 Long-Term Incentive Plan (2011 LTI Plan). The 2011 LTI Plan became effective as of July 1, 2011. An award granted under the 2011 LTI Plan may consist of any non-qualified stock options or incentive stock options, stock appreciation rights, restricted stock, or restricted stock units. These awards all relate to the common stock of United. The maximum number of shares of United common stock which may be issued under the 2011 LTI Plan is 1,500,000. Any and all shares may be issued in respect of any of the types of awards, provided that (1) the aggregate number of shares that may be issued in respect of restricted stock awards, and restricted stock units awards which are settled in shares is 350,000, and (2) the aggregate number of shares that may be issued pursuant to stock options is 1,150,000. The shares to be offered under the 2011 LTI Plan may be authorized and unissued shares or treasury shares. With respect to awards that are intended to satisfy the requirements for performance-based compensation under Code Section 162(m), the maximum number of options and stock appreciation rights, in the aggregate, which may be awarded pursuant to the 2011 LTI Plan to any individual participant during any calendar year is 100,000, and the maximum number of shares of restricted stock and/or shares subject to a restricted stock units award that may be granted pursuant to the 2011 LTI Plan to any individual participant during any calendar year is 50,000 shares. A participant may be any key employee of United or its affiliates or a non-employee member of United’s Board of Directors. Subject to certain change in control provisions, stock options, SARs, restricted stock and restricted stock units generally will vest in 25% increments over the first four anniversaries of the awards unless the Committee specifies otherwise in the award agreement. No award will vest sooner than 1/3 per year over the first three anniversaries of the award. Beginning in 2014, awards granted to executive officers of United have performance based vesting conditions. A Form S-8 was filed on September 2, 2011 with the Securities and Exchange Commission to register all the shares which were available for the 2011 LTI Plan. During the first quarter of 2016, a total of 189,780 non-qualified stock options and 64,092 shares of restricted stock were granted under the 2011 LTI Plan.

Compensation expense of $658 and $631 related to the nonvested awards under the 2011 LTI Plan and the 2006 Stock Option Plan was incurred for the first quarter of 2016 and 2015, respectively. Compensation expense was included in employee compensation in the unaudited Consolidated Statements of Income.

Stock Options

United currently has options outstanding from various option plans other than the 2011 LTI Plan (the Prior Plans); however, no common shares of United stock are available for grants under the Prior Plans as these plans have expired. Awards outstanding under the Prior Plans will remain in effect in accordance with their respective terms. The maximum term for options granted under the plans is ten (10) years.

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A summary of activity under United’s stock option plans as of March 31, 2016, and the changes during the first three months of 2016 are presented below:

	Three Months Ended March 31, 2016
						Weighted Average
	Shares			Aggregate Intrinsic Value		Remaining Contractual Term (Yrs.)		Exercise Price
Outstanding at January 1, 2016		1,207,110						$	28.15
Granted		189,780							35.04
Exercised		(42,441	)						19.43
Forfeited or expired		(8,694	)						32.95
Outstanding at March 31, 2016		1,345,755		$	9,905		6.5	$	29.37
Exercisable at March 31, 2016		900,457		$	8,531		5.3	$	27.24

The following table summarizes the status of United’s nonvested stock option awards during the first three months of 2016:

	Shares			Weighted-Average Grant Date Fair Value Per Share
Nonvested at January 1, 2016		426,395		$	6.68
Granted		189,780			6.97
Vested		(162,183	)		6.59
Forfeited or expired		(8,694	)		6.81
Nonvested at March 31, 2016		445,298		$	6.84

During the three months ended March 31, 2016 and 2015, 42,441 and 89,875 shares, respectively, were issued in connection with stock option exercises. All shares issued in connection with stock option exercises for the three months ended March 31, 2016 and 2015 were issued from authorized and unissued stock. The total intrinsic value of options exercised under the Plans during the three months ended March 31, 2016 and 2015 was $678 and $610, respectively.

Restricted Stock

Under the 2011 LTI Plan, United may award restricted common shares to key employees and non-employee directors. Restricted shares granted to participants have a four-year time-based vesting period. Recipients of restricted shares do not pay any consideration to United for the shares, have the right to vote all shares subject to such grant and receive all dividends with respect to such shares, whether or not the shares have vested. Presently, these nonvested participating securities have an immaterial impact on diluted earnings per share.

The following summarizes the changes to United’s restricted common shares for the period ended March 31, 2016:

	Number of Shares			Weighted-Average Grant Date Fair Value Per Share
Outstanding at January 1, 2016		129,772		$	31.69
Granted		64,092			35.04
Vested		(49,179	)		30.51
Forfeited		(3,288	)		32.16
Outstanding at March 31, 2016		141,397		$	33.60

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14. EMPLOYEE BENEFIT PLANS

United has a defined benefit retirement plan covering a majority of all employees. Pension benefits are based on years of service and the average of the employee’s highest five consecutive plan years of basic compensation paid during the ten plan years preceding the date of determination. Contributions are intended to provide not only for benefits attributed to service to date, but also for those expected to be earned in the future.

In September of 2007, after a recommendation by United’s Pension Committee and approval by United’s Board of Directors, the United Bankshares, Inc. Pension Plan (the Plan) was amended to change the participation rules. The decision to change the participation rules for the Plan followed current industry trends, as many large and medium size companies had taken similar steps. The amendment provides that employees hired on or after October 1, 2007, will not be eligible to participate in the Plan. However, new employees, including those retained in the Virginia Commerce acquisition, will be eligible to participate in United’s Savings and Stock Investment 401(k) plan. This change had no impact on current employees hired prior to October 1, 2007 as they will continue to participate in the Plan, with no change in benefit provisions, and will continue to be eligible to participate in United’s Savings and Stock Investment 401(k) plan.

Included in accumulated other comprehensive income at December 31, 2015 are unrecognized actuarial losses of $55,998 ($35,727 net of tax) that have not yet been recognized in net periodic pension cost. The amortization of this item expected to be recognized in net periodic pension cost during the fiscal year ended December 31, 2016 is $4,618 ($2,946 net of tax).

Net periodic pension cost for the three months ended March 31, 2016 and 2015 included the following components:

	Three Months Ended March 31
	2016			2015
Service cost	$	607		$	740
Interest cost		1,456			1,430
Expected return on plan assets		(2,012	)		(2,293	)
Amortization of transition asset		0			0
Recognized net actuarial loss		1,148			1,208
Amortization of prior service cost		0			0
Net periodic pension (benefit) cost	$	1,199		$	1,085
Weighted-Average Assumptions:
Discount rate		4.75	%		4.35	%
Expected return on assets		7.25	%		7.50	%
Rate of compensation increase (prior to age 45)		3.50	%		3.50	%
Rate of compensation increase		3.00	%		3.00	%

15. INCOME TAXES

United records a liability for uncertain income tax positions based on a recognition threshold of more-likely-than-not, and a measurement attribute for all tax positions taken on a tax return, in order for those tax positions to be recognized in the financial statements.

As of March 31, 2016, United has provided a liability for $2,153 of unrecognized tax benefits related to various federal and state income tax matters. The entire amount of unrecognized tax benefits, if recognized, would impact United’s effective tax rate. Over the next 12 months, the statute of limitations will close on certain income tax periods. However, at this time, United cannot reasonably estimate the amount of tax benefits it may recognize over the next 12 months.

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United is currently open to audit under the statute of limitations by the Internal Revenue Service for the years ended December 31, 2012, 2013 and 2014 and certain State Taxing authorities for the years ended December 31, 2012 through 2014.

As of March 31, 2016 and 2015, the total amount of accrued interest related to uncertain tax positions was $752 and $825, respectively. United accounts for interest and penalties related to uncertain tax positions as part of its provision for federal and state income taxes.

16. COMPREHENSIVE INCOME

The components of total comprehensive income for the three months ended March 31, 2016 and 2015 are as follows:

	Three Months Ended March 31
	2016			2015
Net Income	$	34,706		$	34,627
Available for sale (“AFS”) securities:
AFS securities with OTTI charges during the period		0			(100	)
Related income tax effect		0			36
Less : OTTI charges recognized in net income		0			34
Related income tax benefit		0			(12	)
Reclassification of previous noncredit OTTI to credit OTTI		0			0
Related income tax benefit		0			0
Net unrealized gain (loss) on AFS securities with OTTI		0			(42	)
AFS securities – all other:
Change in net unrealized gain on AFS securities arising during the period		13,317			8,471
Related income tax effect		(4,821	)		(3,066	)
Net reclassification adjustment for losses (gains) included in net income		(4	)		(46	)
Related income tax (benefit) expense		1			17
		8,493			5,376
Net effect of AFS securities on other comprehensive income		8,493			5,334
Held to maturity (“HTM”) securities:
Accretion on the unrealized loss for securities transferred from AFS to the HTM investment portfolio prior to call or maturity		1			1
Related income tax expense		(0	)		(0	)
Net effect of HTM securities on other comprehensive income		1			1
Pension plan:
Recognized net actuarial loss		1,148			1,208
Related income tax benefit		(419	)		(440	)
Net effect of change in pension plan asset on other comprehensive income		729			768
Total change in other comprehensive income		9,223			6,103
Total Comprehensive Income	$	43,929		$	40,730

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The components of accumulated other comprehensive income for the three months ended March 31, 2016 are as follows:

Changes in Accumulated Other Comprehensive Income (AOCI) by Component ^(a)

For the Three Months Ended March 31, 2016

	Unrealized Gains/Losses on AFS Securities			Accretion on the unrealized loss for securities transferred from AFS to the HTM			Defined Benefit Pension Items			Total
Balance at January 1, 2016	($	2,515	)	($	57	)	($	35,640	)	($	38,212	)
Other comprehensive income before reclassification		8,496			1			0			8,497
Amounts reclassified from accumulated other comprehensive income		(3	)		0			729			726
Net current-period other comprehensive income, net of tax		8,493			1			729			9,223
Balance at March 31, 2016	$	5,978		($	56	)	($	34,911	)	($	28,989	)

(a) All amounts are net-of-tax.

Reclassifications out of Accumulated Other Comprehensive Income (AOCI)

For the Three Months Ended March 31, 2016

Details about AOCI Components	Amount Reclassified from AOCI			Affected Line Item in the Statement Where Net Income is Presented
Available for sale (“AFS”) securities:
Reclassification of previous noncredit OTTI to credit OTTI	$	0		Total other-than-temporary impairment losses
Net reclassification adjustment for losses (gains) included in net income		(4	)	Net gains on sales/calls of investment securities
		(4	)	Total before tax
Related income tax effect		1		Tax expense
		(3	)	Net of tax
Pension plan:
Recognized net actuarial loss		1,148	(a)
		1,148		Total before tax
Related income tax effect		(419	)	Tax expense
		729		Net of tax
Total reclassifications for the period	$	726

(a) This AOCI component is included in the computation of net periodic pension cost (see Note 14, Employee Benefit Plans)

17. EARNINGS PER SHARE

Earnings per common share is computed using the two-class method. The reconciliation of the numerator and denominator of basic earnings per share with that of diluted earnings per share is presented as follows:

	Three Months Ended March 31
	2016		2015
Distributed earnings allocated to common stock	$	22,954	$	22,167
Undistributed earnings allocated to common stock		11,688		12,399
Net earnings allocated to common shareholders	$	34,642	$	34,566

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	Three Months Ended March 31
	2016		2015
Average common shares outstanding		69,497,489		69,207,508
Common stock equivalents		216,632		269,336
Average diluted shares outstanding		69,714,121		69,476,844
Earnings per basic common share	$	0.50	$	0.50
Earnings per diluted common share	$	0.50	$	0.50

18. VARIABLE INTEREST ENTITIES

Variable interest entities (VIEs) are entities that either have a total equity investment that is insufficient to permit the entity to finance its activities without additional subordinated financial support or whose equity investors lack the characteristics of a controlling financial interest (i.e., ability to make significant decisions, through voting rights, right to receive the expected residual returns of the entity, and obligation to absorb the expected losses of the entity). VIEs can be structured as corporations, trusts, partnerships, or other legal entities. United’s business practices include relationships with certain VIEs. For United, the business purpose of these relationships primarily consists of funding activities in the form of issuing trust preferred securities.

United currently sponsors thirteen statutory business trusts that were created for the purpose of raising funds that qualified for Tier I regulatory capital. These trusts, of which several were acquired through bank acquisitions, issued or participated in pools of trust preferred capital securities to third-party investors with the proceeds invested in junior subordinated debt securities of United. The Company, through a small capital contribution, owns 100% of the voting equity shares of each trust. The assets, liabilities, operations, and cash flows of each trust are solely related to the issuance, administration, and repayment of the preferred equity securities held by third-party investors. United fully and unconditionally guarantees the obligations of each trust and is obligated to redeem the junior subordinated debentures upon maturity.

The trusts utilized in these transactions are VIEs as the third-party equity holders lack a controlling financial interest in the trusts through their inability to make decisions that have a significant effect on the operations and success of the entities. United does not consolidate these trusts as it is not the primary beneficiary of these entities because United’s equity interest does not absorb the majority of the trusts’ expected losses or receive a majority of their expected residual returns.

Information related to United’s statutory trusts is presented in the table below:

Description	Issuance Date	Amount of Capital Securities Issued		Interest Rate	Maturity Date
Century Trust	March 23, 2000	$	8,800	10.875% Fixed	March 8, 2030
United Statutory Trust III	December 17, 2003	$	20,000	3-month LIBOR + 2.85%	December 17, 2033
United Statutory Trust IV	December 19, 2003	$	25,000	3-month LIBOR + 2.85%	January 23, 2034
United Statutory Trust V	July 12, 2007	$	50,000	3-month LIBOR + 1.55%	October 1, 2037
United Statutory Trust VI	September 20, 2007	$	30,000	3-month LIBOR + 1.30%	December 15, 2037
Premier Statutory Trust II	September 25, 2003	$	6,000	3-month LIBOR + 3.10%	October 8, 2033
Premier Statutory Trust III	May 16, 2005	$	8,000	3-month LIBOR + 1.74%	June 15, 2035
Premier Statutory Trust IV	June 20, 2006	$	14,000	3-month LIBOR + 1.55%	September 23, 2036
Premier Statutory Trust V	December 14, 2006	$	10,000	3-month LIBOR + 1.61%	March 1, 2037
Centra Statutory Trust I	September 20, 2004	$	10,000	3-month LIBOR + 2.29%	September 20, 2034
Centra Statutory Trust II	June 15, 2006	$	10,000	3-month LIBOR + 1.65%	July 7, 2036
Virginia Commerce Trust II	December 19, 2002	$	15,000	6-month LIBOR + 3.30%	December 19, 2032
Virginia Commerce Trust III	December 20, 2005	$	25,000	3-month LIBOR + 1.42%	February 23, 2036

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United, through its banking subsidiaries, also makes limited partner equity investments in various low income housing and community development partnerships sponsored by independent third-parties. United invests in these partnerships to either realize tax credits on its consolidated federal income tax return or for purposes of earning a return on its investment. These partnerships are considered VIEs as the limited partners lack a controlling financial interest in the entities through their inability to make decisions that have a significant effect on the operations and success of the partnerships. United’s limited partner interests in these entities is immaterial, however; these partnerships are not consolidated as United is not deemed to be the primary beneficiary.

The following table summarizes quantitative information about United’s significant involvement in unconsolidated VIEs:

	As of March 31, 2016						As of December 31, 2015
	Aggregate Assets		Aggregate Liabilities		Risk Of Loss (1)		Aggregate Assets		Aggregate Liabilities		Risk Of Loss (1)
Trust preferred securities	$	240,435	$	232,436	$	7,999	$	240,468	$	232,492	$	7,976

(1) Represents investment in VIEs.

Item 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

FORWARD-LOOKING STATEMENTS

Congress passed the Private Securities Litigation Act of 1995 to encourage corporations to provide investors with information about the company’s anticipated future financial performance, goals, and strategies. The act provides a safe harbor for such disclosure, in other words, protection from unwarranted litigation if actual results are not the same as management expectations.

United desires to provide its shareholders with sound information about past performance and future trends. Consequently, any forward-looking statements contained in this report, in a report incorporated by reference to this report, or made by management of United in this report, in any other reports and filings, in press releases and in oral statements, involve numerous assumptions, risks and uncertainties. Actual results could differ materially from those contained in or implied by United’s statements for a variety of factors including, but not limited to: changes in economic conditions; business conditions in the banking industry; movements in interest rates; competitive pressures on product pricing and services; success and timing of business strategies; the nature and extent of governmental actions and reforms; and rapidly changing technology and evolving banking industry standards.

RECENT DEVELOPMENTS

On July 1, 2015, the Durbin Amendment became effective for United. The Durbin Amendment, passed as part of the Dodd-Frank financial reform legislation, limits fees for debit card processing paid by merchants to banking companies with assets in excess of $10 billion. The Durbin Amendment has significantly affected United’s fees from deposit services since its effective date as discussed in the “Other Income” section of this Management’s Discussion and Analysis of Financial Condition and Results of Operations (MD&A).

On January 1, 2015, the Basel III Capital Rules became effective for United and its banking subsidiaries (subject to a phase-in period). The Basel III Capital Rules establishes a new comprehensive capital framework for U.S. banking organizations. The rules implement the Basel Committee’s December 2010 framework known as “Basel III” for strengthening international capital standards as well as certain provisions of the Dodd-Frank Act. The Basel III Capital Rules substantially revise the risk-based capital requirements applicable to bank holding companies and depository institutions, including United and its banking subsidiaries, compared to the current U.S. risk-based capital rules. The Basel III Capital Rules define the components of capital and address other issues affecting the numerator in banking

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institutions’ regulatory capital ratios. The Basel III Capital Rules also address risk weights and other issues affecting the denominator in banking institutions’ regulatory capital ratios and replace the existing risk-weighting approach, which was derived from Basel I capital accords of the Basel Committee, with a more risk-sensitive approach based, in part, on the standardized approach in the Basel Committee’s 2004 “Basel II” capital accords. The Basel III Capital Rules also implement the requirements of Section 939A of the Dodd-Frank Act to remove references to credit ratings from the federal banking agencies’ rules.

INTRODUCTION

The following discussion and analysis presents the significant changes in financial condition and the results of operations of United and its subsidiaries for the periods indicated below. This discussion and the unaudited consolidated financial statements and the notes to unaudited Consolidated Financial Statements include the accounts of United Bankshares, Inc. and its wholly-owned subsidiaries, unless otherwise indicated. Management has evaluated all significant events and transactions that occurred after March 31, 2016, but prior to the date these financial statements were issued, for potential recognition or disclosure required in these financial statements.

This discussion and analysis should be read in conjunction with the unaudited Consolidated Financial Statements and accompanying notes thereto, which are included elsewhere in this document.

USE OF NON-GAAP FINANCIAL MEASURES

This discussion and analysis contains certain financial measures that are not recognized under GAAP. Under SEC Regulation G, public companies making disclosures containing financial measures that are not in accordance with GAAP must also disclose, along with each “non-GAAP” financial measure, certain additional information, including a reconciliation of the non-GAAP financial measure to the closest comparable GAAP financial measure, as well as a statement of the company’s reasons for utilizing the non-GAAP financial measure.

Generally, United has presented these non-GAAP financial measures because it believes that these measures provide meaningful additional information to assist in the evaluation of United’s results of operations or financial position. Presentation of these non-GAAP financial measures is consistent with how United’s management evaluates its performance internally and these non-GAAP financial measures are frequently used by securities analysts, investors and other interested parties in the evaluation of companies in the banking industry. Specifically, this discussion contains certain references to financial measures identified as tax-equivalent net interest income and the allowance for loan losses as a percentage of non-acquired loans. Management believes these non-GAAP financial measures, if significant, to be helpful in understanding United’s results of operations or financial position. However, this non-GAAP information should be considered supplemental in nature and not as a substitute for related financial information prepared in accordance with GAAP.

Where non-GAAP financial measures are used, the comparable GAAP financial measure, as well as reconciliation to that comparable GAAP financial measure, as well as a statement of the company’s reasons for utilizing the non-GAAP financial measure, can be found within this discussion and analysis. Investors should recognize that United’s presentation of these non-GAAP financial measures might not be comparable to similarly titled measures at other companies.

APPLICATION OF CRITICAL ACCOUNTING POLICIES

The accounting and reporting policies of United conform with U.S. generally accepted accounting principles. In preparing the consolidated financial statements, management is required to make estimates, assumptions and judgments that affect the amounts reported in the financial statements and accompanying notes. These estimates, assumptions and judgments, which are reviewed with the Audit Committee of the Board of Directors, are based on information available

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as of the date of the financial statements. Actual results could differ from these estimates. These policies, along with the disclosures presented in the financial statement notes and in this financial review, provide information on how significant assets and liabilities are valued in the financial statements and how those values are determined. Based on the valuation techniques used and the sensitivity of financial statement amounts to the methods, assumptions, and estimates underlying those amounts, management has identified the determination of the allowance for credit losses, the valuation of investment securities and the related other-than-temporary impairment analysis, the accounting for acquired loans and the calculation of the income tax provision to be the accounting areas that require the most subjective or complex judgments, and as such could be most subject to revision as new information becomes available.

Allowance for Credit Losses

As explained in Note 6, Allowance for Credit Losses to the unaudited Consolidated Financial Statements, the allowance for loan losses represents management’s estimate of the probable credit losses inherent in the lending portfolio. Determining the allowance for loan losses requires management to make estimates of losses that are highly uncertain and require a high degree of judgment. At March 31, 2016, the allowance for loan losses was $75.5 million and is subject to periodic adjustment based on management’s assessment of current probable losses in the loan portfolio. Such adjustment from period to period can have a significant impact on United’s consolidated financial statements. To illustrate the potential effect on the financial statements of our estimates of the allowance for loan losses, a 10% increase in the allowance for loan losses would have required $7.5 million in additional allowance (funded by additional provision for credit losses), which would have negatively impacted the first quarter of 2016 net income by approximately $4.9 million, after-tax or $0.07 diluted per common share. Management’s evaluation of the adequacy of the allowance for loan losses and the appropriate provision for loan losses is based upon a quarterly evaluation of the loan portfolio. This evaluation is inherently subjective and requires significant estimates, including estimates related to the amounts and timing of future cash flows, value of collateral, losses on pools of homogeneous loans based on historical loss experience, and consideration of current economic trends, all of which are susceptible to constant and significant change. The allowance allocated to specific credits and loan pools grouped by similar risk characteristics is reviewed on a quarterly basis and adjusted as necessary based upon subsequent changes in circumstances. In determining the components of the allowance for loan losses, management considers the risk arising in part from, but not limited to, charge-off and delinquency trends, current economic and business conditions, lending policies and procedures, the size and risk characteristics of the loan portfolio, concentrations of credit, and other various factors. The methodology used to determine the allowance for loan losses is described in Note 6. A discussion of the factors leading to changes in the amount of the allowance for credit losses is included in the Provision for Credit Losses section of this Management’s Discussion and Analysis of Financial Condition and Results of Operations (MD&A). Additional information relating to United’s loans is included in Note 4, Loans to the unaudited Consolidated Financial Statements.

Investment Securities

Accounting estimates are used in the presentation of the investment portfolio and these estimates impact the presentation of United’s financial condition and results of operations. United classifies its investments in debt as either held to maturity or available for sale and its equity securities as available for sale. Securities held to maturity are accounted for using historical costs, adjusted for amortization of premiums and accretion of discounts. Securities available for sale are accounted for at fair value, with the net unrealized gains and losses, net of income tax effects, presented as a separate component of shareholders’ equity. When available, fair values of securities are based on quoted prices or prices obtained from third party vendors. Third party vendors compile prices from various sources and may determine the fair value of identical or similar securities by using pricing models that consider observable market data. Prices obtained from third party vendors that do not reflect forced liquidation or distressed sales are not adjusted by management. Where prices reflect forced liquidation or distressed sales, as is the case with United’s portfolio of trust preferred securities (Trup Cdos), management estimates fair value based on a discounted cash flow methodology using appropriately adjusted discount rates reflecting nonperformance and liquidity risks. Due to the subjective nature of this valuation process, it is possible that the actual fair values of these securities could differ from the estimated amounts, thereby affecting United’s financial position, results of operations and cash flows. The potential impact to United’s financial position, results of operations or cash flows for changes in the valuation process cannot be reasonably estimated.

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If the estimated value of investments is less than the cost or amortized cost, the investment is considered impaired and management evaluates whether an event or change in circumstances has occurred that may have a significant adverse effect on the fair value of the investment. If such an event or change has occurred, management must exercise judgment to determine the nature of the potential impairment (i.e., temporary or other-than-temporary) in order to apply the appropriate accounting treatment. If United intends to sell, or is more likely than not they will be required to sell an impaired debt security before recovery of its amortized cost basis less any current period credit loss, other-than-temporary impairment is recognized in earnings. The amount recognized in earnings is equal to the entire difference between the security’s amortized cost basis and its fair value at the balance sheet date. If United does not intend to sell, and is not more likely than not they will be required to sell the impaired debt security prior to recovery of its amortized cost basis less any current-period credit loss, the other-than-temporary impairment is separated into the following: 1) the amount representing the credit loss, which is recognized in earnings, and 2) the amount related to all other factors, which is recognized in other comprehensive income. For additional information on management’s consideration of investment valuation and other-than-temporary impairment, see Note 3, Investment Securities, and Note 12, Fair Value Measurements, to the unaudited consolidated financial statements.

Accounting for Acquired Loans

Loans acquired are initially recorded at their acquisition date fair values. The fair value of the acquired loans are based on the present value of the expected cash flows, including principal, interest and prepayments. Periodic principal and interest cash flows are adjusted for expected losses and prepayments, then discounted to determine the present value and summed to arrive at the estimated fair value. Fair value estimates involve assumptions and judgments as to credit risk, interest rate risk, prepayment risk, liquidity risk, default rates, loss severity, payment speeds, collateral values and discount rate.

Acquired loans are divided into loans with evidence of credit quality deterioration, which are accounted for under ASC topic 310-30 (acquired impaired) and loans that do not meet this criteria, which are accounted for under ASC topic 310-20 (acquired performing). Acquired impaired loans have experienced a deterioration of credit quality from origination to acquisition for which it is probable that United will be unable to collect all contractually required payments receivable, including both principal and interest. In the assessment of credit quality, numerous assumptions, interpretations and judgments must be made, based on internal and third-party credit quality information and ultimately the determination as to the probability that all contractual cash flows will not be able to be collected. This is a point in time assessment and inherently subjective due to the nature of the available information and judgment involved.

Subsequent to the acquisition date, United continues to estimate the amount and timing of cash flows expected to be collected on acquired impaired loans. Increases in expected cash flows will generally result in a recovery of any previously recorded allowance for loan losses, to the extent applicable, and/or a reclassification from the nonaccretable difference to accretable yield, which will be recognized prospectively. The present value of any decreases in expected cash flows after the acquisition date will generally result in an impairment charge recorded as a provision for loan losses, resulting in an increase to the allowance for loan losses.

For acquired performing loans, the difference between the acquisition date fair value and the contractual amounts due at the acquisition date represents the fair value adjustment. Fair value adjustments may be discounts (or premiums) to a loan’s cost basis and are accreted (or amortized) to interest income over the loan’s remaining life using the level yield method. Subsequent to the acquisition date, the methods utilized to estimate the required allowance for loan losses for these loans is similar to originated loans.

See Note 2, Merger and Acquisitions, and Note 4, Loans, to the unaudited Consolidated Financial Statements for information regarding United’s acquired loans disclosures.

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Income Taxes

United’s calculation of income tax provision is inherently complex due to the various different tax laws and jurisdictions in which we operate and requires management’s use of estimates and judgments in its determination. The current income tax liability also includes income tax expense related to our uncertain tax positions as required in ASC topic 740, “Income Taxes.” Changes to the estimated accrued taxes can occur due to changes in tax rates, implementation of new business strategies, resolution of issues with taxing authorities and recently enacted statutory, judicial and regulatory guidance. These changes can be material to the Company’s operating results for any particular reporting period. The analysis of the income tax provision requires the assessments of the relative risks and merits of the appropriate tax treatment of transactions, filing positions, filing methods and taxable income calculations after considering statutes, regulations, judicial precedent and other information. United strives to keep abreast of changes in the tax laws and the issuance of regulations which may impact tax reporting and provisions for income tax expense. United is also subject to audit by federal and state authorities. Because the application of tax laws is subject to varying interpretations, results of these audits may produce indicated liabilities which differ from United’s estimates and provisions. United continually evaluates its exposure to possible tax assessments arising from audits and records its estimate of probable exposure based on current facts and circumstances. The potential impact to United’s operating results for any of the changes cannot be reasonably estimated. See Note 15, Income Taxes, to the unaudited Consolidated Financial Statements for information regarding United’s ASC topic 740 disclosures.

Use of Fair Value Measurements

United determines the fair value of its financial instruments based on the fair value hierarchy established in ASC topic 820, whereby the fair value of certain assets and liabilities is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. ASC topic 820 establishes a three-level hierarchy for disclosure of assets and liabilities recorded at fair value. The classification of assets and liabilities within the hierarchy is based on whether the inputs in the methodology for determining fair value are observable or unobservable. Observable inputs reflect market-based information obtained from independent sources (Level 1 or Level 2), while unobservable inputs reflect management’s estimate of market data (Level 3). For assets and liabilities that are actively traded and have quoted prices or observable market data, a minimal amount of subjectivity concerning fair value is needed. Prices and values obtained from third party vendors that do not reflect forced liquidation or distressed sales are not adjusted by management. When quoted prices or observable market data are not available, management’s judgment is necessary to estimate fair value.

At March 31, 2016, approximately 9.32% of total assets, or $1.18 billion, consisted of financial instruments recorded at fair value. Of this total, approximately 93.59% or $1.10 billion of these financial instruments used valuation methodologies involving observable market data, collectively Level 1 and Level 2 measurements, to determine fair value. Approximately 6.41% or $75.32 million of these financial instruments were valued using unobservable market information or Level 3 measurements. Most of these financial instruments valued using unobservable market information were pooled trust preferred investment securities classified as available-for-sale. At March 31, 2016, only $7.97 million or less than 1% of total liabilities were recorded at fair value. This entire amount was valued using methodologies involving observable market data. United does not believe that any changes in the unobservable inputs used to value the financial instruments mentioned above would have a material impact on United’s results of operations, liquidity, or capital resources. See Note 12, Fair Value Measurements, to the unaudited Consolidated Financial Statements for additional information regarding ASC topic 820 and its impact on United’s financial statements.

Any material effect on the financial statements related to these critical accounting areas are further discussed in this MD&A.

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FINANCIAL CONDITION

United’s total assets as of March 31, 2016 were $12.61 billion which relatively flat from December 31, 2015, increasing $28.94 million or less than 1%. Portfolio loans and investment securities were flat as well, decreasing $5.69 million and increasing $3.13 million, respectively. Both changes were by less than 1%. Cash and cash equivalents increased $47.51 million or 5.54%. Loans held for sale and other assets decreased $5.29 million or 49.49% and $10.15 million or 2.68%, respectively. Total liabilities were flat from year-end 2015, increasing $6.54 million or less than 1%. Deposits and borrowings were both relatively flat from year-end 2015. Deposits declined $16.96 million while borrowings increased $13.88 million, both changes were less than 1%. Shareholders’ equity increased $22.40 million or 1.31% from year-end 2015.

The following discussion explains in more detail the changes in financial condition by major category.

Cash and Cash Equivalents

Cash and cash equivalents at March 31, 2016 increased $47.51 million or 5.54% from year-end 2015. Of this total increase, cash and due from banks increased $14.78 million while interest-bearing deposits with other banks increased $32.73 million or 4.55% as United placed excess cash in an interest-bearing account with the Federal Reserve. Federal funds sold were flat. During the first three months of 2016, net cash of $57.93 million and $13.82 million was provided by operating activities and investing activities, respectively, while $24.25 million was used in financing activities. See the unaudited Consolidated Statements of Cash Flows for data on cash and cash equivalents provided and used in operating, investing and financing activities for the first three months of 2016 and 2015.

Securities

Total investment securities at March 31, 2016 were flat from year-end 2015, increasing $3.13 million or less than 1%. Securities available for sale were flat, increasing $1.92 million or less than 1%. This slight change in securities available for sale reflects $35.00 million in sales, maturities and calls of securities, $23.81 million in purchases, and an increase of $13.31 million in market value. Securities held to maturity were flat, decreasing $41 thousand or less than 1% from year-end 2015 due to calls and maturities of securities. Other investment securities increased $1.25 million or 1.27% from year-end 2015 due to the purchase of FHLB stock.

The following table summarizes the changes in the available for sale securities since year-end 2015:

(Dollars in thousands)	March 31 2016		December 31 2015		$ Change			% Change
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	73,356	$	73,786	$	(430	)		(0.58	%)
State and political subdivisions		135,829		133,778		2,051			1.53	%
Mortgage-backed securities		791,848		793,488		(1,640	)		(0.21	%)
Asset-backed securities		2,637		3,399		(762	)		(22.42	%)
Marketable equity securities		5,948		5,455		493			9.04	%
Trust preferred collateralized debt obligations		32,593		34,686		(2,093	)		(6.03	%)
Single issue trust preferred securities		10,960		11,693		(733	)		(6.27	%)
Corporate securities		15,081		10,049		5,032			50.07	%
Total available for sale securities, at fair value	$	1,068,252	$	1,066,334	$	1,918			0.18	%

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The following table summarizes the changes in the held to maturity securities since year-end 2015:

(Dollars in thousands)	March 31 2016		December 31 2015		$ Change			% Change
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	10,381	$	10,425	$	(44	)		(0.42	%)
State and political subdivisions		9,321		9,321		0			0.00	%
Mortgage-backed securities		34		35		(1	)		(2.86	%)
Single issue trust preferred securities		19,302		19,298		4			0.02	%
Other corporate securities		20		20		0			0.00	%
Total held to maturity securities, at amortized cost	$	39,058	$	39,099	$	(41	)		(0.10	%)

At March 31, 2016, gross unrealized losses on available for sale securities were $20.17 million. Securities in an unrealized loss position at March 31, 2016 consisted primarily of Trup Cdos and single issue trust preferred securities. The Trup Cdos and the single issue trust preferred securities relate mainly to underlying securities of financial institutions.

As of March 31, 2016, United’s mortgage-backed securities had an amortized cost of $773.23 million, with an estimated fair value of $791.89 million. The portfolio consisted primarily of $465.55 million in agency residential mortgage-backed securities with a fair value of $477.33 million, $8.59 million in non-agency residential mortgage-backed securities with an estimated fair value of $8.75 million, and $299.10 million in commercial agency mortgage-backed securities with an estimated fair value of $305.80 million. As of March 31, 2016, United’s asset-backed securities had an amortized cost of $2.64 million, with an estimated fair value of $2.64 million.

As of March 31, 2016, United’s corporate securities had an amortized cost of $102.33 million, with an estimated fair value of $79.76 million. The portfolio consisted primarily of $49.34 million in Trup Cdos with a fair value of $32.59 million and $32.63 million in single issue trust preferred securities with an estimated fair value of $26.12 million. In addition to the trust preferred securities, the Company held positions in various other corporate securities, including marketable equity securities, with an amortized cost of $20.36 million and a fair value of $21.05 million, only one of which was individually significant.

The Trup Cdos consisted of pools of trust preferred securities issued by trusts related primarily to financial institutions and to a lesser extent, insurance companies. The Company has no exposure to Real Estate Investment Trusts (REITs) in its investment portfolio. The Company owns both senior and mezzanine tranches in the Trup Cdos; however, the Company does not own any income notes. The senior and mezzanine tranches of Trup Cdos generally have some protection from defaults in the form of over-collateralization and excess spread revenues, along with waterfall structures that redirect cash flows in the event certain coverage test requirements have failed. Generally, senior tranches have the greatest protection, with mezzanine tranches subordinated to the senior tranches, and income notes subordinated to the mezzanine tranches. The fair value of senior tranches represents $5.92 million of the Company’s pooled securities, while mezzanine tranches represent $26.67 million. Of the $26.67 million in mezzanine tranches, $8.26 million are now in the Senior position as the Senior notes have been paid to a zero balance. As of March 31, 2016, Trup Cdos with a fair value of $3.71 million were investment grade, and the remaining $28.88 million were below investment grade. In terms of capital adequacy, the Company allocates additional risk-based capital to the below investment grade securities. As of March 31, 2016, United’s single issue trust preferred securities had a fair value of $26.12 million. Of the $26.12 million, $11.79 million or 45.14% were investment grade; $8.00 million or 30.64% were split rated; and $6.33 million or 24.22% were below investment grade. The two largest exposures accounted for 53.75% of the $26.12 million. These included Wells Fargo at $8.04 million and SunTrust Bank at $6.00 million. All single-issue trust preferred securities are currently receiving full scheduled principal and interest payments.

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The following two tables provide a summary of Trup Cdos as of March 31, 2016:

Description (1)	Tranche	Class	Moodys	S&P	Fitch	Amortized Cost Basis		Fair Value		Unrealized Loss (Gain)			Cumulative Credit- Related OTTI
						(Dollars in thousands)
SECURITY 1	Senior	Sr	Ca	NR	WD	$	2,141	$	2,205	$	(64	)	$	1,219
SECURITY 2	Senior (org Mezz)	B	Ca	NR	WD		6,428		3,113		3,315			7,398
SECURITY 4	Mezzanine	C	C	NR	C		1,306		1,029		277			1,546
SECURITY 5	Mezzanine	C-2	Caa2	NR	C		1,978		953		1,025			184
SECURITY 6	Mezzanine	C-1	Ca	NR	C		1,916		1,146		770			1,316
SECURITY 7	Mezzanine	B-1	Caa1	NR	C		4,489		2,749		1,740			41
SECURITY 8	Mezzanine	B-1	Ca	NR	C		3,677		2,261		1,416			1,651
SECURITY 12	Senior (org Mezz)	Mez	Caa1	NR	C		1,252		1,724		(472	)		588
SECURITY 13	Senior (org Mezz)	Mez	Caa1	NR	C		856		1,006		(150	)		406
SECURITY 14	Mezzanine	B-1	B1	NR	CC		3,300		1,875		1,425			422
SECURITY 15	Mezzanine	B	Caa3	NR	C		6,436		3,600		2,836			3,531
SECURITY 16	Mezzanine	B-2	Ca	NR	C		3,439		2,000		1,439			1,561
SECURITY 17	Mezzanine	B-1	Caa2	NR	C		2,250		1,500		750			750
SECURITY 18	Senior	A-3	Aaa	NR	AA		4,527		3,712		815			0
SECURITY 19	Senior (org Mezz)	B	Ba1	NR	BB		2,847		2,420		427			0
SECURITY 22	Mezzanine	B-1	B2	NR	C		2,500		1,300		1,200			0
						$	49,342	$	32,593	$	16,749		$	20,613

(1) Securities that are no longer owned by the Company have been removed from the tables.

Desc.	# of Issuers Currently Performing (1)		Deferrals as % of Original Collateral			Defaults as a % of Original Collateral			Expected Deferrals and Defaults as a % of Remaining Performing Collateral (2)			Projected Recovery/ Cure  Rates on Deferring Collateral	Excess Subordination as % of Performing Collateral			Amortized Cost as a % of Par Value			Discount as a % of Par Value (3)
1		6		8.5	%		13.3	%		8.3	%	25 - 85%		(91.2	)%		61.2	%		38.8	%
2		5		0.7	%		11.9	%		6.3	%	75 - 90%		(127.2	)%		45.4	%		54.6	%
4		38		18.9	%		12.1	%		6.7	%	0 - 90%		(5.4	)%		43.1	%		56.9	%
5		41		3.0	%		13.8	%		6.6	%	90%		(3.6	)%		91.3	%		8.7	%
6		42		6.9	%		19.0	%		6.7	%	0 - 90%		(19.0	)%		58.5	%		41.5	%
7		19		0.0	%		18.1	%		6.5	%	N/A		(11.5	)%		84.9	%		15.1	%
8		25		1.5	%		22.4	%		7.0	%	75%		(26.6	)%		68.3	%		31.7	%
12		5		0.0	%		14.5	%		5.0	%	N/A		(3.6	)%		73.4	%		26.6	%
13		5		0.0	%		14.5	%		5.0	%	N/A		(3.6	)%		85.9	%		14.1	%
14		44		8.3	%		9.6	%		6.3	%	0 - 90%		6.3	%		88.0	%		12.0	%
15		18		0.8	%		19.7	%		8.5	%	90%		(33.9	)%		64.4	%		35.6	%
16		14		0.0	%		18.8	%		6.4	%	N/A		(17.7	)%		68.8	%		31.2	%
17		28		3.0	%		12.1	%		7.0	%	75%		(3.8	)%		75.0	%		25.0	%
18		28		3.2	%		14.6	%		5.6	%	15%		68.7	%		100.0	%		0.0	%
19		5		0.0	%		4.6	%		6.3	%	N/A		36.3	%		100.0	%		0.0	%
22		31		3.7	%		9.3	%		7.0	%	50% - 90%		3.3	%		100.0	%		0.0	%

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(1) “Performing” refers to all outstanding issuers less issuers that have either defaulted or are currently deferring their interest payment.

(2) “Expected Deferrals and Defaults” refers to projected future defaults on performing collateral and does not include the projected defaults on deferring collateral.

(3) The “Discount” in the table above represents the Par Value less the Amortized Cost. This metric generally approximates the level of OTTI that has been incurred on these securities.

The Company defines “Excess Subordination” as all outstanding collateral less the sum of (i) 100% of the defaulted collateral, (ii) the sum of the projected net loss amounts for each piece of the deferring but not defaulted collateral and (iii) the amount of each Trup Cdo’s debt that is either senior to or pari passu with our security’s priority level.

The calculation of excess subordination in the above table does not consider the OTTI the Company has recognized on these securities. While the ratio of excess subordination provides some insight on overall collateralization levels, the Company completes an expected cash flow analysis each quarter to determine whether an adverse change in future cash flows has occurred under ASC 320. The standard specifies that a cash flow projection can be present-valued at the security specific effective interest rate and the resulting present value compared to the amortized cost in order to quantify the credit component of impairment. The Company utilizes the cash flow models to determine the net realizable value and assess whether additional OTTI has occurred.

While the ratio of excess subordination provides some insight on overall collateralization levels, the Company does not utilize this ratio to calculate OTTI. The ratio of excess subordination represents only one component of the projected cash flow. The Company believes the excess subordination is limited as it does not consider the following:

• Waterfall structure and redirection of cash flows

• Excess interest spread

• Cash reserves

The collateral backing of a particular tranche can be increased by decreasing the more senior liabilities of the Trup Cdo tranche. This occurs when collateral deterioration due to defaults and deferrals triggers alternative waterfall provisions of the cash flow. The waterfall structure of the bond requires the excess spread to be rerouted away from the most junior classes of debt (which includes the income notes) in order to pay down the principal of the most senior liabilities. As these senior liabilities are paid down, the senior and mezzanine tranches become better secured (due to the rerouting away from the income notes). Therefore, variances will exist between the calculated excess subordination measure and the amount of OTTI recognized due to the impact of the specific structural features of each bond as it relates to the cash flow models.

The following is a summary of available for sale single-issue trust preferred securities with at least one rating below investment grade as of March 31, 2016:

Security	Moodys		S&P		Fitch		Amortized Cost		Fair Value		Unrealized Loss/ (Gain)
							(Dollars in thousands)
Emigrant		NR		NR		B+	$	5,687	$	3,824	$	1,863
Bank of America		Ba1		NR		BBB-		4,636		3,900		736
M&T Bank		NR		BBB-		BBB-		3,002		3,236		(234	)
							$	13,325		10,960		2,365

Additionally, the Company owns two single-issue trust preferred securities that are classified as held-to-maturity and include at least one rating below investment grade. These securities include SunTrust Bank ($7.41 million) and Royal Bank of Scotland ($975 thousand).

During the first quarter of 2016, United did not recognize any other-than-temporary impairment charges on investment securities. Management does not believe that any individual security with an unrealized loss as of March 31, 2016 is other-than-temporarily impaired. United believes the decline in value resulted from changes in market interest rates,

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credit spreads and liquidity, not an adverse change in the expected contractual cash flows. Based on a review of each of the securities in the investment portfolio, management concluded that it was not probable that it would be unable to realize the cost basis investment and appropriate interest payments on such securities. United has the intent and the ability to hold these securities until such time as the value recovers or the securities mature. However, United acknowledges that any impaired securities may be sold in future periods in response to significant, unanticipated changes in asset/liability management decisions, unanticipated future market movements or business plan changes.

Further information regarding the amortized cost and estimated fair value of investment securities, including remaining maturities as well as a more detailed discussion of management’s other-than-temporary impairment analysis, is presented in Note 3 to the unaudited Notes to Consolidated Financial Statements.

Loans

Loans held for sale decreased $5.29 million or 49.49% as loan sales in the secondary market exceeded loan originations during the first three months of 2016. Portfolio loans, net of unearned income, were flat from year-end 2015, decreasing $5.69 million or less than 1%. Since year-end 2015, commercial, financial and agricultural loans increased $8.63 million less than 1% as commercial real estate loans increased $38.79 million while commercial loans (not secured by real estate) decreased $30.16 million. In addition, construction and land development loans decreased $50.94 million or 4.00% and residential real estate loans increased $3.90 million or less than 1%. Bankcard lending increased $385 thousand or 3.30% while other consumer loans increased $32.26 million or 7.70%. Organically, portfolio loans decreased $4.67 million from year-end 2015.

The following table summarizes the changes in the major loan classes since year-end 2015:

(Dollars in thousands)	March 31 2016			December 31 2015			$ Change			% Change
Loans held for sale	$	5,395		$	10,681		$	(5,286	)		(49.49	%)
Commercial, financial, and agricultural:
Owner-occupied commercial real estate	$	918,334		$	927,746		$	(9,412	)		(1.01	%)
Nonowner-occupied commercial real estate		2,944,573			2,896,367			48,206			1.66	%
Other commercial loans		1,572,060			1,602,222			(30,162	)		(1.88	%)
Total commercial, financial, and agricultural	$	5,434,967		$	5,426,335		$	8,632			0.16	%
Residential real estate		2,272,589			2,268,685			3,904			0.17	%
Construction & land development		1,222,119			1,273,054			(50,935	)		(4.00	%)
Consumer:
Bankcard		12,038			11,653			385			3.30	%
Other consumer		451,487			419,225			32,262			7.70	%
Less: Unearned income		(14,807	)		(14,872	)		65			(0.44	%)
Total Loans, net of unearned income	$	9,378,393		$	9,384,080		$	(5,687	)		(0.06	%)

For a further discussion of loans see Note 4 to the unaudited Notes to Consolidated Financial Statements.

Other Assets

Other assets decreased $10.15 million or 2.68% from year-end 2015. Deferred tax assets decreased $7.07 million. The remainder of the decrease in other assets is the result of a decrease of $3.25 million in OREO due to sales and adjustments to the fair value of properties.

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Deposits

Deposits represent United’s primary source of funding. Total deposits at March 31, 2016 were flat from year-end 2015, decreasing $16.96 million or less than 1%. In terms of composition, noninterest-bearing deposits increased $92.61 million or 3.43% while interest-bearing deposits decreased $109.57 million or 1.65% from December 31, 2015.

The increase in noninterest-bearing deposits was due mainly to increases in commercial noninterest-bearing deposits of $53.70 million or 2.68%. In addition, noninterest-bearing deposits of public funds increased $10.70 million or 12.06%.

All major categories of interest-bearing deposits except regular savings declined from year-end 2015. Interest-bearing checking accounts decreased $31.96 million or 1.90% mainly due to a $30.20 million decrease in personal interest-bearing checking accounts. Interest-bearing MMDAs decreased $25.85 million or 1.09% as commercial MMDAs declined $22.96 million or 1.70%. Time deposits under $100,000 decreased $34.40 million or 4.33%. This decrease in time deposits under $100,000 is the result of a $33.94 million decrease in fixed rate certificates of deposits (CDs). Time deposits over $100,000 decreased $39.20 million or 3.55% due to fixed rate CDs decreasing $25.87 million and Certificate of Deposit Account Registry Service (CDARS) balances decreasing $7.40 million. Regular savings increased $21.85 or 3.16%.

The following table summarizes the changes in the deposit categories since year-end 2015:

(Dollars in thousands)	March 31 2016		December 31 2015		$ Change			% Change
Demand deposits	$	2,792,571	$	2,699,958	$	92,613			3.43	%
Interest-bearing checking		1,651,352		1,683,316		(31,964	)		(1.90	%)
Regular savings		713,924		692,079		21,845			3.16	%
Money market accounts		2,342,211		2,368,063		(25,852	)		(1.09	%)
Time deposits under $100,000		760,024		794,428		(34,404	)		(4.33	%)
Time deposits over $100,000 (1)		1,064,486		1,103,683		(39,197	)		(3.55	%)
Total deposits	$	9,324,568	$	9,341,527	$	(16,959	)		(0.18	%)

(1) Includes time deposits of $250,000 or more of $397,151 and $386,484 at March 31, 2016 and December 31, 2015, respectively.

Borrowings

Total borrowings at March 31, 2016 were flat from year-end 2015, increasing $13.88 million or less than 1%. During the first three months of 2016, short-term borrowings decreased $5.95 million or 1.41% due to a $25.82 million decrease in short-term securities sold under agreements to repurchase. Partially offsetting this decrease was an increase of $15.00 million in overnight FHLB advances and a $4.87 million increase in federal funds purchased. Long-term borrowings increased $19.82 million or 1.95% since year-end 2015 as long-term FHLB advances increased $19.98 million.

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The table below summarizes the change in the borrowing categories since year-end 2015:

(Dollars in thousands)	March 31 2016		December 31 2015		$ Change			% Change
Federal funds purchased	$	27,100	$	22,230	$	4,870			21.91	%
Short-term securities sold under agreements to repurchase		264,982		290,798		(25,816	)		(8.88	%)
Long-term securities sold under agreements to repurchase		50,493		50,863		(370	)		(0.73	%)
Short-term FHLB advances		125,000		110,000		15,000			13.64	%
Long-term FHLB advances		760,855		740,880		19,975			2.70	%
Issuances of trust preferred capital securities		223,723		223,506		217			0.10	%
Total borrowings	$	1,452,153	$	1,438,277	$	13,876			0.96	%

For a further discussion of borrowings see Notes 8 and 9 to the unaudited Notes to Consolidated Financial Statements.

Accrued Expenses and Other Liabilities

Accrued expenses and other liabilities at March 31, 2016 increased $9.36 million or 11.07% from year-end 2015. In particular, income taxes payable increased $5.96 million due to a timing difference, derivative liabilities increased $3.85 million due to a change in value and business franchise taxes increased $1.50 million. Partially offsetting these increases in accrued expenses and other liabilities was a decrease of $1.50 million in incentive payables due to payments.

Shareholders’ Equity

Shareholders’ equity at March 31, 2016 increased $22.40 million or 1.31% from December 31, 2015. Earnings net of dividends for the first three months of 2016 were $11.71 million.

Accumulated other comprehensive income increased $9.22 million due mainly to an increase of $8.49 million in United’s available for sale investment portfolio, net of deferred income taxes. The after tax non-credit portion of pension costs was $729 thousand for the first quarter of 2016.

RESULTS OF OPERATIONS

Overview

Net income for the first three months of 2016 was $34.71 million or $0.50 per diluted share compared to $34.63 million or $0.50 per share for the first three months of 2015. United’s annualized return on average assets for the first three months of 2016 was 1.13% and return on average shareholders’ equity was 8.06% as compared to 1.16% and 8.38% for the first three months of 2015.

Net interest income for the first three months of 2016 was $98.28 million, which was an increase of $3.54 million or 3.73% from net interest income of $94.75 million for the first three months of 2015. The increase in net interest income occurred because total interest income increased $3.95 million while total interest expense only increased $412 thousand from the first quarter of 2015.

The provision for loan losses was $4.04 million for the first three months of 2016 as compared to $5.35 million for the first three months of 2015. Noninterest income was $16.39 million for the first three months of 2016, down $1.80 million or 9.89% when compared to the first three months of 2015. Noninterest expense for the first three months of 2016 was flat, decreasing $401 thousand or less than 1% from the first three months of 2015. Income taxes increased $2.58 million for the first three months of 2016 as compared to the first three months of 2015. The effective tax rate was 34.00% and 30.65% for the first quarter of 2016 and 2015, respectively.

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The following discussion explains in more detail the results of operations by major category.

Net Interest Income

Net interest income represents the primary component of United’s earnings. It is the difference between interest income from earning assets and interest expense incurred to fund these assets. Net interest income is impacted by changes in the volume and mix of interest-earning assets and interest-bearing liabilities, as well as changes in market interest rates. Such changes, and their impact on net interest income in 2016 and 2015, are presented below.

Net interest income for the first three months of 2016 was $98.28 million, which was an increase of $3.54 million or 3.73% from the first quarter of 2015. The $3.54 million increase in net interest income occurred because total interest income increased $3.95 million while total interest expense increased $412 thousand from the first quarter of 2015. On a linked-quarter basis, net interest income for the first quarter of 2016 increased $1.13 million or 1.16% from the fourth quarter of 2015. The $1.13 million increase in net interest income occurred because total interest income increased $1.26 million while total interest expense only increased $127 thousand from the fourth quarter of 2015. Generally, interest income for the first quarter of 2016 increased from the first quarter of 2015 because of higher market interest rates. Likewise, interest expense for the first quarter of 2016 was impacted by the higher market interest rates, but not at the same pace. For the purpose of this remaining discussion, net interest income is presented on a tax-equivalent basis to provide a comparison among all types of interest earning assets. The tax-equivalent basis adjusts for the tax-favored status of income from certain loans and investments. Although this is a non-GAAP measure, United’s management believes this measure is more widely used within the financial services industry and provides better comparability of net interest income arising from taxable and tax-exempt sources. United uses this measure to monitor net interest income performance and to manage its balance sheet composition.

Tax-equivalent net interest income of $99.78 million for the first quarter of 2016 was an increase of $3.46 million or 3.59% from the first quarter of 2015. This increase was due mainly to higher average earning assets. Average earning assets for the first quarter of 2016 increased $231.96 million or 2.15% from the first quarter of 2015. Average net loans increased $338.35 million or 3.78% while average investment securities declined $108.27 million or 8.31%. The first quarter of 2016 average yield on earning assets increased 3 basis points from the first quarter of 2015 due mainly to increased interest accretion of $1.13 million on acquired loans. Higher market interest rates in the first quarter of 2016 also had a positive impact on the average yield on earning assets. In particular, the average yield on investment securities increased 8 basis points from the first quarter of 2015. Partially offsetting the increases to tax-equivalent net interest income for the first quarter of 2016 was an increase of 2 basis points in the average cost of funds primarily due to higher market interest rates as compared to the first quarter of 2015. In particular, the average cost of long-term borrowings increased 21 basis points due mainly to the higher rates. The net interest margin of 3.64% for the first quarter of 2016 was an increase of 3 basis points from the net interest margin of 3.61% for the first quarter of 2015.

On a linked-quarter basis, United’s tax-equivalent net interest income for the first quarter of 2016 was relatively flat from the fourth quarter of 2015, increasing $944 thousand or less than 1% due mainly to an increase in the average yield on earning assets. The yield on average earning assets for the first quarter of 2016 increased 9 basis points from the fourth quarter of 2015 due mainly to higher market interest rates. In particular, the average yield on investment securities increased 17 basis points. Average earning assets were relatively flat, decreasing $24.38 million or less than 1% from the fourth quarter of 2015. Average net loans increased $103.53 million or 1.13% while average short-term investments and average investment securities decreased $101.88 million or 16.42% and $26.03 million or 2.13%, respectively. Partially offsetting the increases to tax-equivalent net interest income for the first quarter of 2016 was an increase of a basis point in the average cost of funds as compared to the fourth quarter of 2015. The net interest margin of 3.64% for the first quarter of 2016 was an increase of 8 basis points from the net interest margin of 3.56% for the fourth quarter of 2015.

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United’s tax-equivalent net interest income also includes the impact of acquisition accounting fair value adjustments. The following table provides the discount/premium and net accretion impact to tax-equivalent net interest income for the three months ended March 31, 2016, March 31, 2015 and December 31, 2015:

	Three Months Ended
(Dollars in thousands)	March 31 2016		March 31 2015		December 31 2015
Loan accretion	$	3,255	$	2,129	$	3,740
Certificates of deposit		0		718		131
Long-term borrowings		153		153		153
Total	$	3,408	$	3,000	$	4,024

The following table reconciles the difference between net interest income and tax-equivalent net interest income for the three months ended March 31, 2016, March 31, 2015 and December 31, 2015:

	Three Months Ended
(Dollars in thousands)	March 31 2016		March 31 2015		December 31 2015
Net interest income, GAAP basis	$	98,284	$	94,749	$	97,155
Tax-equivalent adjustment (1)		1,493		1,569		1,678
Tax-equivalent net interest income	$	99,777	$	96,318	$	98,833

(1) The tax-equivalent adjustment combines amounts of interest income on federally nontaxable loans and investment securities using the statutory federal income tax rate of 35%. All interest income on loans and investment securities was subject to state income taxes.

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The following table shows the unaudited consolidated daily average balance of major categories of assets and liabilities for the three-month period ended March 31, 2016 and 2015, respectively, with the interest and rate earned or paid on such amount. The interest income and yields on federally nontaxable loans and investment securities are presented on a tax-equivalent basis using the statutory federal income tax rate of 35%. Interest income on all loans and investment securities was subject to state income taxes.

	Three Months Ended March 31, 2016								Three Months Ended March 31, 2015
(Dollars in thousands)	Average Balance			Interest (1)		Avg. Rate (1)			Average Balance			Interest (1)		Avg. Rate (1)
ASSETS
Earning Assets:
Federal funds sold and securities repurchased under agreements to resell and other short-term investments	$	518,479		$	622		0.48	%	$	516,594		$	331		0.26	%
Investment Securities:
Taxable		1,075,119			7,707		2.87	%		1,184,583			8,189		2.77	%
Tax-exempt		119,902			1,282		4.28	%		118,704			1,354		4.56	%
Total Securities		1,195,021			8,989		3.01	%		1,303,287			9,543		2.93	%
Loans, net of unearned income (2)		9,371,437			100,378		4.30	%		9,032,769			96,244		4.31	%
Allowance for loan losses		(75,674	)							(75,351	)
Net loans		9,295,763					4.34	%		8,957,418					4.35	%
Total Earning Assets		11,009,263		$	109,989		4.01	%		10,777,299		$	106,118		3.98	%
Other assets		1,339,675								1,361,987
TOTAL ASSETS	$	12,348,938							$	12,139,286
LIABILITIES
Interest-Bearing Funds:
Interest-bearing deposits	$	6,586,241		$	6,885		0.42	%	$	6,442,066		$	6,885		0.43	%
Short-term borrowings		278,342			214		0.31	%		371,508			231		0.25	%
Long-term borrowings		1,022,868			3,113		1.22	%		1,077,454			2,684		1.01	%
Total Interest-Bearing Funds		7,887,451			10,212		0.52	%		7,891,028			9,800		0.50	%
Noninterest-bearing deposits		2,662,307								2,507,695
Accrued expenses and other liabilities		67,504								65,154
TOTAL LIABILITIES		10,617,262								10,463,877
SHAREHOLDERS’ EQUITY		1,731,676								1,675,409
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$	12,348,938							$	12,139,286
NET INTEREST INCOME				$	99,777							$	96,318
INTEREST SPREAD							3.49	%							3.48	%
NET INTEREST MARGIN							3.64	%							3.61	%

(1) The interest income and the yields on federally nontaxable loans and investment securities are presented on a tax-equivalent basis using the statutory federal income tax rate of 35%.

(2) Nonaccruing loans are included in the daily average loan amounts outstanding.

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Provision for Loan Losses

For the quarters ended March 31, 2016 and 2015, the provision for loan losses was $4.04 million and $5.35 million, respectively. Net charge-offs were $4.27 million for the first quarter of 2016 as compared to net charge-offs of $5.31 million for the same quarter in 2015. These lower amounts of provision expense and net charge-offs for the first quarter of 2016 compared to the first quarter of 2015 were due to a reduction in charge-offs and need for provision related to impairments associated with United’s portfolio of acquired loans. On a linked-quarter basis, the provision for loan losses decreased $2.29 million while net charge-offs decreased $1.81 million from the fourth quarter of 2015. These lower amounts of provision expense and net charge-offs for the first quarter of 2016 compared to the fourth quarter of 2015 were due mainly to increased recoveries on acquired loans that were previously impaired. Annualized net charge-offs as a percentage of average loans were 0.18% for the first quarter of 2016. This ratio compares favorably to United’s most recently reported Federal Reserve peer group banking companies’ (bank holding companies with total assets over $10 billion) net charge-offs to average loans percentage of 0.31% for the year of 2015.

At March 31, 2016, nonperforming loans were $124.95 million or 1.33% of loans, net of unearned income compared to nonperforming loans of $126.71 million or 1.35% of loans, net of unearned income at December 31, 2015. The components of nonperforming loans include: 1) nonaccrual loans, 2) loans which are contractually past due 90 days or more as to interest or principal, but have not been put on a nonaccrual basis and 3) loans whose terms have been restructured for economic or legal reasons due to financial difficulties of the borrowers.

Loans past due 90 days or more were $7.89 million at March 31, 2016, a decrease of $3.74 million or 32.14% from $11.63 million at year-end 2015. This decrease was due to the repayment of a loan that was 90 days or more past due at year-end 2015. At March 31, 2016, nonaccrual loans of $92.90 million were relatively flat from year-end 2015, increasing $1.71 million or 1.88%. Restructured loans were $24.16 million at March 31, 2016 which was also relatively flat from $23.89 million of restructured loans at year-end 2015. However, four loans totaling $2.84 million were restructured during the quarter while one loan for $1.07 million was removed from restructured status due to a satisfactory payment history and loan terms which reflected a market rate of interest. The remaining difference was mainly due to repayments. The loss potential on these loans has been properly evaluated and allocated within the company’s allowance for loan losses.

Nonperforming assets include nonperforming loans and real estate acquired in foreclosure or other settlement of loans (OREO). Total nonperforming assets of $153.93 million, including OREO of $28.98 million at March 31, 2016, represented 1.22% of total assets.

Loans are designated as impaired when, in the opinion of management, the collection of principal and interest in accordance with the loan contract is doubtful. At March 31, 2016, impaired loans were $249.28 million, which was a decrease of $5.90 million or 2.31% from $255.18 million at December 31, 2015. For further details regarding impaired loans, see Note 5 to the unaudited Consolidated Financial Statements.

United maintains an allowance for loan losses and a reserve for lending-related commitments. The combined allowance for loan losses and reserve for lending-related commitments are referred to as the allowance for credit losses. At March 31, 2016 and December 31, 2015, the allowance for credit losses was $76.68 million and $76.66 million, respectively.

At March 31, 2016, the allowance for loan losses was $75.49 million as compared to $75.73 million at December 31, 2015. As a percentage of loans, net of unearned income, the allowance for loan losses was 0.80% at March 31, 2016 and 0.81% at December 31, 2015. In accordance with accounting rules, United is unable to carry-over an acquired banking company’s previously established allowance for loan losses because acquired loans are recorded at fair value. Therefore, due to this acquisition accounting impact on the allowance for loans losses as well as loans, net of unearned income, management believes that excluding acquired loans in the calculation of the allowance for loan losses as a percentage of loans, net of unearned income separates the difference in the accounting rules for acquired loans and originated loans as well as provides for improved comparability to prior periods and to other financial institutions without acquired loans.

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The table below presents United’s allowance for loan losses as a percentage of non-acquired loans, net of unearned income for the years ended March 31, 2016 and December 31, 2015:

(Dollars in thousands)	March 31, 2016			December 31, 2015
Allowance for Loan Losses (GAAP)	$	75,490		$	75,726
Loans, net of unearned income (GAAP)		9,378,393			9,384,080
Less: Acquired Loans (non-GAAP)		(1,698,353	)		(1,791,023	)
Non-Acquired Loans, net of unearned income (non-GAAP)	$	7,680,040		$	7,593,057
Allowance for Loan Losses/ Non-acquired Loans, Net of Unearned Income (non-GAAP)		0.98	%		1.00	%

The ratio of the allowance for loan losses to nonperforming loans or coverage ratio was 60.42% and 59.76% at March 31, 2016 and December 31, 2015, respectively. The Company’s detailed methodology and analysis indicated a minimal increase in the allowance for loan losses primarily because of the offsetting factors of changes within historical loss rates and reduced loss allocations on impaired loans.

Allocations are made for specific commercial loans based upon management’s estimate of the borrowers’ ability to repay and other factors impacting collectibility. Other commercial loans not specifically reviewed on an individual basis are evaluated based on historical loss percentages applied to loan pools that have been segregated by risk. Allocations for loans other than commercial loans are made based upon historical loss experience adjusted for current environmental conditions. The allowance for credit losses includes estimated probable inherent but unidentified losses within the portfolio due to uncertainties in economic conditions, delays in obtaining information, including unfavorable information about a borrower’s financial condition, the difficulty in identifying triggering events that correlate perfectly to subsequent loss rates, and risk factors that have not yet fully manifested themselves in loss allocation factors. In addition, a portion of the allowance accounts for the inherent imprecision in the allowance for credit losses analysis.

United’s formal company-wide review of the allowance for loan losses at March 31, 2016 produced increased allocations in four of the six loan categories. The other commercial loan pool allocation increased $1.31 million due to recognition of additional inherent loss relative to United’s oil and gas industry exposure. The commercial real estate owner-occupied loan pool allocation increased $1.71 million due to an increase in graded loans within the portfolio and an increase in the corresponding historical loss rate. The commercial real estate nonowner-occupied loan pool allocation increased $892 thousand due to an increase in the portfolio of graded loans as well as an increase in historical loss rates. The consumer loan pool also experienced an increase of $278 thousand due to an increase in portfolio outstandings and increase in historical loss rates. Offsetting these increases was a decrease in the allocation related to the real estate construction and development loan pool of $2.94 million due to a decrease in portfolio outstandings as well as historical loss rates applied to the portfolio. The residential real estate loan pool allocation decreased $1.60 million due to an improvement in historical loss rates. In summary, the overall level of the allowance for loan losses was relatively stable in comparison to year-end 2015 as a result of offsetting factors within the portfolio as described above.

An allowance is established for probable credit losses on impaired loans via specific allocations. Nonperforming commercial loans and leases are regularly reviewed to identify impairment. A loan or lease is impaired when, based on current information and events, it is probable that the Company will not be able to collect all amounts contractually due. Measuring impairment of a loan requires judgment and estimates, and the eventual outcomes may differ from those estimates. Impairment is measured based upon the present value of expected future cash flows from the loan discounted at the loan’s effective rate, the loan’s observable market price or the fair value of collateral if the loan is collateral dependent. When the selected measure is less than the recorded investment in the loan, an impairment has occurred. The allowance for impaired loans was $30.48 million at March 31, 2016 and $27.79 million at December 31, 2015. In comparison to the prior year-end, this element of the allowance increased by $2.69 million primarily due to increased specific allocations for other commercial loans.

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Management believes that the allowance for credit losses of $76.68 million at March 31, 2016 is adequate to provide for probable losses on existing loans and lending-related commitments based on information currently available. Note 6 to the accompanying unaudited Notes to Consolidated Financial Statements provides a progression of the allowance for loan losses by portfolio segment.

United’s loan administration policies are focused on the risk characteristics of the loan portfolio in terms of loan approval and credit quality. The commercial loan portfolio is monitored for possible concentrations of credit in one or more industries. Management has lending limits as a percentage of capital per type of credit concentration in an effort to ensure adequate diversification within the portfolio. Most of United’s commercial loans are secured by real estate located in West Virginia, southeastern Ohio, Pennsylvania, Virginia, Maryland and the District of Columbia. It is the opinion of management that these commercial loans do not pose any unusual risks and that adequate consideration has been given to these loans in establishing the allowance for credit losses.

Management is not aware of any potential problem loans, trends or uncertainties, which it reasonably expects, will materially impact future operating results, liquidity, or capital resources which have not been disclosed. Additionally, management has disclosed all known material credits, which cause management to have serious doubts as to the ability of such borrowers to comply with the loan repayment schedules.

Other Income

Other income consists of all revenues, which are not included in interest and fee income related to earning assets. Noninterest income has been and will continue to be an important factor for improving United’s profitability. Recognizing the importance, management continues to evaluate areas where noninterest income can be enhanced.

Noninterest income for the first quarter of 2016 was $16.39 million, which was a decrease of $1.80 million or 9.89% from the first quarter of 2015. This decrease was mainly due to lower fees from deposit services as a result of the Durbin Amendment being effective for United on July 1, 2015. As previously mentioned, the Durbin Amendment, passed as part of the Dodd-Frank financial reform legislation, limits fees for debit card processing paid by merchants to banking companies with assets in excess of $10 billion.

Fees from deposit services were $7.97 million for the first quarter of 2016 which was a decrease of $1.80 million or 18.42% from the first quarter of 2015. In particular, debit card fees decreased $1.36 million from the first quarter of 2015 as a result of the Durbin Amendment. In addition, overdraft fees for the first quarter of 2016 declined $313 thousand from last year’s first quarter.

Income from mortgage banking for the first quarter of 2016 increased $183 thousand or 33.58% from the first quarter of 2015 due to increased production and sales of mortgage loans in the secondary market. Mortgage loan sales for the first quarter of 2016 were $35.17 million, up $1.94 million or 5.83% from mortgage loan sales of $33.23 million for the first quarter of 2015. Income from mortgage banking was $728 thousand for the first quarter of 2016 as compared to $545 thousand for the first quarter of 2015.

No other-than-temporary impairment charges on investment securities were recognized during the first quarter of 2016 as compared to noncash, before-tax, other-than-temporary impairment charges of $34 thousand on certain investment securities for the first quarter of 2015. Net gains on sales and calls of investment securities were only $4 thousand for the first quarter of 2016 as compared to $46 thousand for the first quarter of 2015.

On a linked-quarter basis, noninterest income for the first quarter of 2016 decreased $1.73 million or 9.56% from the fourth quarter of 2015. This decrease was partially due to a decrease of $612 thousand in income from bank-owned life insurance policies due to a death benefit in the fourth quarter of 2015. In addition, fees from deposit services declined $723 thousand as a result of a decrease in overdraft fees and $660 thousand in fees from bankcard services due to a decline in volume, both due to seasonality. Partially offsetting these decreases was an increase of $344 thousand in income from trust and brokerage services due to an increase in volume.

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Other Expenses

Just as management continues to evaluate areas where noninterest income can be enhanced, it strives to improve the efficiency of its operations to reduce costs. Other expenses include all items of expense other than interest expense, the provision for loan losses, and income taxes. Noninterest expense for the first quarter of 2016 was $58.06 million which was relatively flat from the first quarter of 2015, increasing $401 thousand or less than 1%. Included in noninterest expense for the first quarter of 2015 was a charge of $1.26 million related to historical tax credits.

Employee compensation for the first quarter of 2016 increased $2.01 million or 9.92% when compared to the first quarter of 2015. This increase was due to increases of $1.07 million in expense for employee incentives and $853 thousand in base salaries of employees. Employee compensation was $22.28 million for the first quarter of 2016 as compared to $20.27 million for the first quarter of 2015.

Employee benefits expense decreased $200 thousand or 2.94% from the first quarter of 2015 due mainly a decrease in pension expense as a result of a change in the assumptions used in the valuation process at year-end 2015.

Net occupancy expense for the first quarter of 2016 decreased $276 thousand or 4.23% from the first quarter of 2015 due to small declines in building maintenance, real property taxes and utilities expense.

Other real estate owned (OREO) expense was $649 thousand for the first quarter of 2016, a decrease of $464 thousand or 41.69% from the first quarter of 2015. This decrease was mainly due to fewer losses on sales of OREO properties in the first quarter of 2016.

On a linked-quarter basis, noninterest expense for the first quarter of 2016 was relatively flat from the fourth quarter of 2015, decreasing $562 thousand or less than 1%. This slight decrease was due primarily to decreases in employee compensation of $2.15 million due mainly to fewer employees (seasonality and open positions) and employee benefits expense of $402 thousand due to lower pension expense. Partially offsetting these decreases were increases of $677 thousand in net occupancy expense due to increased real property taxes and $499 thousand in the expense associated with the reserve for lending-related commitments.

United’s efficiency ratio was 50.63% for the first quarter of 2016 as compared to 51.05% and 50.85% for the first and fourth quarters of 2015, respectively.

Income Taxes

For the first quarter of 2016, income tax expense was $17.88 million as compared to $15.30 million for the first quarter of 2015, an increase of $2.58 million or 16.83%. The increase was primarily due to historical tax credits recognized in the first quarter of 2015. On a linked-quarter basis, income tax expense increased $1.02 million from the fourth quarter of 2015 due to higher earnings and tax rate. United’s effective tax rate was approximately 34.00% for the first quarter of 2016 as compared to 30.65% for the first quarter of 2015 and 33.50% for fourth quarter of 2015. For further details related to income taxes, see Note 15 of the unaudited Notes to Consolidated Financial Statements contained within this document.

Contractual Obligations, Commitments, Contingent Liabilities and Off-Balance Sheet Arrangements

United has various financial obligations, including contractual obligations and commitments, that may require future cash payments. Please refer to United’s Annual Report on Form 10-K for the year ended December 31, 2015 for disclosures with respect to United’s fixed and determinable contractual obligations. There have been no material changes outside the ordinary course of business since year-end 2015 in the specified contractual obligations disclosed in United’s Annual Report on Form 10-K.

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As of March 31, 2016, United recorded a liability for uncertain tax positions, including interest and penalties, of $2.15 million in accordance with ASC topic 740. This liability represents an estimate of tax positions that United has taken in its tax returns which may ultimately not be sustained upon examination by tax authorities. Since the ultimate amount and timing of any future cash settlements cannot be predicted with reasonable certainty, this estimated liability is excluded from the contractual obligations table in the 2015 Form 10-K report.

United also enters into derivative contracts, mainly to protect against adverse interest rate movements on the value of certain assets or liabilities, under which it is required to either pay cash to or receive cash from counterparties depending on changes in interest rates. Derivative contracts are carried at fair value and not notional value on the consolidated balance sheet. Because the derivative contracts recorded on the balance sheet at March 31, 2016 do not present the amounts that may ultimately be paid under these contracts, they are excluded from the contractual obligations table in the 2015 Form 10-K report. Further discussion of derivative instruments is presented in Note 11 to the unaudited Notes to Consolidated Financial Statements.

United is a party to financial instruments with off-balance-sheet risk in the normal course of business to meet the financing needs of its customers. These financial instruments include loan commitments and standby letters of credit. United’s maximum exposure to credit loss in the event of nonperformance by the counterparty to the financial instrument for the loan commitments and standby letters of credit is the contractual or notional amount of those instruments. United uses the same policies in making commitments and conditional obligations as it does for on-balance sheet instruments. Since many of the commitments are expected to expire without being drawn upon, the total commitment amount does not necessarily represent future cash requirements. Further discussion of off-balance sheet commitments is included in Note 10 to the unaudited Notes to Consolidated Financial Statements.

Liquidity

In the opinion of management, United maintains liquidity that is sufficient to satisfy its depositors’ requirements and the credit needs of its customers. Like all banks, United depends upon its ability to renew maturing deposits and other liabilities on a daily basis and to acquire new funds in a variety of markets. A significant source of funds available to United is “core deposits”. Core deposits include certain demand deposits, statement and special savings and NOW accounts. These deposits are relatively stable, and they are the lowest cost source of funds available to United. Short-term borrowings have also been a significant source of funds. These include federal funds purchased and securities sold under agreements to repurchase as well as advances from the FHLB. Repurchase agreements represent funds which are obtained as the result of a competitive bidding process.

Liquid assets are cash and those items readily convertible to cash. All banks must maintain sufficient balances of cash and near-cash items to meet the day-to-day demands of customers and United’s cash needs. Other than cash and due from banks, the available for sale securities portfolio and maturing loans are the primary sources of liquidity.

The goal of liquidity management is to ensure the ability to access funding which enables United to efficiently satisfy the cash flow requirements of depositors and borrowers and meet United’s cash needs. Liquidity is managed by monitoring funds’ availability from a number of primary sources. Substantial funding is available from cash and cash equivalents, unused short-term borrowing and a geographically dispersed network of branches providing access to a diversified and substantial retail deposit market.

Short-term needs can be met through a wide array of outside sources such as correspondent and downstream correspondent federal funds and utilization of Federal Home Loan Bank advances.

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Other sources of liquidity available to United to provide long-term as well as short-term funding alternatives, in addition to FHLB advances, are long-term certificates of deposit, lines of credit, borrowings that are secured by bank premises or stock of United’s subsidiaries and issuances of trust preferred securities. In the normal course of business, United through its Asset Liability Committee evaluates these as well as other alternative funding strategies that may be utilized to meet short-term and long-term funding needs.

For the three months ended March 31, 2016, cash of $57.93 million was provided by operating activities due mainly to net income of $34.71 million for the quarter. Net cash of $13.82 million was provided by investing activities which was primarily due to net proceeds of $11.19 million from sales over purchases of investment securities. During the first three months of 2016, net cash of $24.25 million was used in financing activities due primarily to the payment of cash dividends in the amount of $22.97 million for the quarter. The net effect of the cash flow activities was an increase in cash and cash equivalents of $47.51 million for the first three months of 2016.

United anticipates it can meet its obligations over the next 12 months and has no material commitments for capital expenditures. There are no known trends, demands, commitments, or events that will result in or that are reasonably likely to result in United’s liquidity increasing or decreasing in any material way. United also has lines of credit available. See Notes 8 and 9 to the accompanying unaudited Notes to Consolidated Financial Statements for more details regarding the amounts available to United under lines of credit.

The Asset Liability Committee monitors liquidity to ascertain that a liquidity position within certain prescribed parameters is maintained. No changes are anticipated in the policies of United’s Asset Liability Committee.

Capital Resources

United’s capital position is financially sound. United seeks to maintain a proper relationship between capital and total assets to support growth and sustain earnings. United has historically generated attractive returns on shareholders’ equity. United is well-capitalized based upon regulatory guidelines. United’s risk-based capital ratio is 12.85% at March 31, 2016 while its Common Equity Tier 1 capital, Tier 1 capital and leverage ratios are 9.90%, 12.12% and 10.84%, respectively. The regulatory requirements for a well-capitalized financial institution are a risk-based capital ratio of 10.0%, a Common Equity Tier 1 capital ratio of 6.5%, a Tier 1 capital ratio of 8.0% and a leverage ratio of 5.0%.

Total shareholders’ equity was $1.74 billion at March 31, 2016, increasing $22.40 million or 1.31% from December 31, 2015 primarily due to the retention of earnings. United’s equity to assets ratio was 13.76% at March 31, 2016 as compared to 13.62% at December 31, 2015. The primary capital ratio, capital and reserves to total assets and reserves, was 14.28% at March 31, 2016 as compared to 14.14% at December 31, 2015. United’s average equity to average asset ratio was 14.02% for the first quarter of 2016 as compared to 13.80% the first quarter of 2015. All of these financial measurements reflect a financially sound position.

During the first quarter of 2016, United’s Board of Directors declared a cash dividend of $0.33 per share. Total cash dividends declared were $23.00 million for the first quarter of 2016 which was an increase of $790 thousand or 3.56% from dividends declared of $22.21 million for the first quarter of 2015.

Item 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

The objective of United’s Asset Liability Management function is to maintain consistent growth in net interest income within United’s policy guidelines. This objective is accomplished through the management of balance sheet liquidity and interest rate risk exposures due to changes in economic conditions, interest rate levels and customer preferences.

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Interest Rate Risk

Management considers interest rate risk to be United’s most significant market risk. Interest rate risk is the exposure to adverse changes in United’s net interest income as a result of changes in interest rates. United’s earnings are largely dependent on the effective management of interest rate risk.

Management of interest rate risk focuses on maintaining consistent growth in net interest income within Board-approved policy limits. United’s Asset/Liability Management Committee (ALCO), which includes senior management representatives and reports to the Board of Directors, monitors and manages interest rate risk to maintain an acceptable level of change to net interest income as a result of changes in interest rates. Policy established for interest rate risk is stated in terms of the change in net interest income over a one-year and two-year horizon given an immediate and sustained increase or decrease in interest rates. The current limits approved by the Board of Directors are structured on a staged basis with each stage requiring specific actions.

United employs a variety of measurement techniques to identify and manage its exposure to changing interest rates. One such technique utilizes an earnings simulation model to analyze the sensitivity of net interest income to movements in interest rates. The model is based on actual cash flows and repricing characteristics for on and off-balance sheet instruments and incorporates market-based assumptions regarding the impact of changing interest rates on the prepayment rate of certain assets and liabilities. The model also includes executive management projections for activity levels in product lines offered by United. Assumptions based on the historical behavior of deposit rates and balances in relation to changes in interest rates are also incorporated into the model. Rate scenarios could involve parallel or nonparallel shifts in the yield curve, depending on historical, current, and expected conditions, as well as the need to capture any material effects of explicit or embedded options. These assumptions are inherently uncertain and, as a result, the model cannot precisely measure net interest income or precisely predict the impact of fluctuations in interest rates on net interest income. Actual results will differ from simulated results due to timing, magnitude and frequency of interest rate changes as well as changes in market conditions and management’s strategies.

Interest sensitive assets and liabilities are defined as those assets or liabilities that mature or are repriced within a designated time frame. The principal function of managing interest rate risk is to maintain an appropriate relationship between those assets and liabilities that are sensitive to changing market interest rates. The difference between rate sensitive assets and rate sensitive liabilities for specified periods of time is known as the “GAP.” Earnings-simulation analysis captures not only the potential of these interest sensitive assets and liabilities to mature or reprice, but also the probability that they will do so. Moreover, earnings-simulation analysis considers the relative sensitivities of these balance sheet items and projects their behavior over an extended period of time. United closely monitors the sensitivity of its assets and liabilities on an on-going basis and projects the effect of various interest rate changes on its net interest margin.

The following table shows United’s estimated earnings sensitivity profile as of March 31, 2016 and December 31, 2015:

Change in Interest Rates (basis points)	Percentage Change in Net Interest Income
	March 31, 2016	December 31, 2015
+200	(0.80%)	(1.18%)
+100	(0.66%)	(0.85%)
-100	1.77%	2.62%
-200	—	—

At March 31, 2016, given an immediate, sustained 100 basis point upward shock to the yield curve used in the simulation model, net interest income for United is estimated to decrease by 0.66% over one year as compared to a decrease of 0.85% at December 31, 2015. A 200 basis point immediate, sustained upward shock in the yield curve would decrease net interest income by an estimated 0.80% over one year as of March 31, 2016, as compared to a decrease of 1.18% as of December 31, 2015. A 100 basis point immediate, sustained downward shock in the yield

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curve would increase net interest income by an estimated 1.77% over one year as of March 31, 2016 as compared to an increase of 2.62%, over one year as of December 31, 2015. With the federal funds rate 0.50% at March 31, 2016 and December 31, 2015, management believed a 200 basis point immediate, sustained decline in rates was highly unlikely.

This analysis does not include the potential increased refinancing activities, which should lessen the negative impact on net income from falling rates. While it is unlikely market rates would immediately move 100 or 200 basis points upward or downward on a sustained basis, this is another tool used by management and the Board of Directors to gauge interest rate risk. All of these estimated changes in net interest income are and were within the policy guidelines established by the Board of Directors.

To further aid in interest rate management, United’s subsidiary banks are members of the Federal Home Loan Bank (FHLB). The use of FHLB advances provides United with a low risk means of matching maturities of earning assets and interest-bearing funds to achieve a desired interest rate spread over the life of the earning assets. In addition, United uses credit with large regional banks and trust preferred securities to provide funding.

As part of its interest rate risk management strategy, United may use derivative instruments to protect against adverse price or interest rate movements on the value of certain assets or liabilities and on future cash flows. These derivatives commonly consist of interest rate swaps, caps, floors, collars, futures, forward contracts, written and purchased options. Interest rate swaps obligate two parties to exchange one or more payments generally calculated with reference to a fixed or variable rate of interest applied to the notional amount. United accounts for its derivative activities in accordance with the provisions of ASC topic 815, “Derivatives and Hedging.”

Extension Risk

A key feature of most mortgage loans is the ability of the borrower to repay principal earlier than scheduled. This is called a prepayment. Prepayments arise primarily due to sale of the underlying property, refinancing, or foreclosure. In general, declining interest rates tend to increase prepayments, and rising interest rates tend to slow prepayments. Like other fixed-income securities, when interest rates rise, the value of mortgage- related securities generally declines. The rate of prepayments on underlying mortgages will affect the price and volatility of mortgage-related securities and may shorten or extend the effective maturity of the security beyond what was anticipated at the time of purchase. If interest rates rise, United’s holdings of mortgage-related securities may experience reduced returns if the borrowers of the underlying mortgages pay off their mortgages later than anticipated. This is generally referred to as extension risk.

At March 31, 2016, United’s mortgage related securities portfolio had an amortized cost of $773 million, of which approximately $417 million or 54% were fixed rate collateralized mortgage obligations (CMOs). These fixed rate CMOs consisted primarily of planned amortization class (PACs), sequential-pay and accretion directed (VADMs) bonds having an average life of approximately 4 years and a weighted average yield of 2.78%, under current projected prepayment assumptions. These securities are expected to have very little extension risk in a rising rate environment. Current models show that an immediate, sustained upward shock of 300 basis points, the average life of these securities would only extend to 5.2 years. The projected price decline of the fixed rate CMO portfolio in rates up 300 basis points would be 12.2%, or less than the price decline of a 5-year treasury note. By comparison, the price decline of a 30-year current coupon mortgage backed security (MBS) for an immediate, sustained upward shock of 300 basis points would be approximately 16.9%.

United had approximately $250 million in balloon and other securities with a projected yield of 1.97% and a projected average life of 4.2 years on March 31, 2016. This portfolio consisted primarily of Fannie Mae Delegated Underwriting and Servicing (DUS) mortgage backed securities (MBS) with a weighted average loan age (WALA) of 2.9 years and a weighted average maturity (WAM) of 4.5 years.

United had approximately $19 million in 15-year mortgage backed securities with a projected yield of 3.28% and a projected average life of 2.7 years as of March 31, 2016. This portfolio consisted of seasoned 15-year mortgage paper with a weighted average loan age (WALA) of 7.3 years and a weighted average maturity (WAM) of 7.4 years.

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United had approximately $36 million in 20-year mortgage backed securities with a projected yield of 2.97% and a projected average life of 5 years on March 31, 2016. This portfolio consisted of seasoned 20-year mortgage paper with a weighted average loan age (WALA) of 4 years and a weighted average maturity (WAM) of 15.7 years.

United had approximately $30 million in 30-year mortgage backed securities with a projected yield of 2.80% and a projected average life of 4 years on March 31, 2016. This portfolio consisted of seasoned 30-year mortgage paper and Home Equity Conversion Mortgages with a weighted average loan age (WALA) of 3.8 years and a weighted average maturity (WAM) of 30.4 years.

The remaining 2% of the mortgage related securities portfolio at March 31, 2016, included adjustable rate securities (ARMs), 10-year mortgage backed pass-through securities and other fixed rate mortgage backed securities.

Item 4. CONTROLS AND PROCEDURES

As of March 31, 2016, an evaluation was performed under the supervision of and with the participation of United’s management, including the Chief Executive Officer (CEO) and Chief Financial Officer (CFO), of the effectiveness of the design and operation of United’s disclosure controls and procedures. Based on that evaluation, United’s management, including the CEO and CFO, concluded that United’s disclosure controls and procedures as of March 31, 2016 were effective in ensuring that information required to be disclosed in the Quarterly Report on Form 10-Q was recorded, processed, summarized and reported within the time period required by the Securities and Exchange Commission’s rules and forms. There have been no changes in United’s internal control over financial reporting that occurred during the quarter ended March 31, 2016, or in other factors that have materially affected or are reasonably likely to materially affect United’s internal control over financial reporting.

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PART II - OTHER INFORMATION

Item 1. LEGAL PROCEEDINGS

United and its subsidiaries are currently involved in various legal proceedings in the normal course of business. Management is vigorously pursuing all its legal and factual defenses and, after consultation with legal counsel, believes that all such litigation will be resolved with no material effect on United’s financial position.

Item 1A. RISK FACTORS

In addition to the other information set forth in this report, please refer to United’s Annual Report on Form 10-K for the year ended December 31, 2015 for disclosures with respect to United’s risk factors which could materially affect United’s business, financial condition or future results. The risks described in the Annual Report on Form 10-K are not the only risks facing United. Additional risks and uncertainties not currently known to United or that United currently deems to be immaterial also may materially adversely affect United’s business, financial condition and/or operating results. There are no material changes from the risk factors disclosed in United’s Annual Report on Form 10-K for the year ended December 31, 2015.

Item 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

There have been no United equity securities sold during the quarter ended March 31, 2016 that were not registered. The table below includes certain information regarding United’s purchase of its common shares during the quarter ended March 31, 2016:

Period	Total Number of Shares Purchased (1)(2)		Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans (3)		Maximum Number of Shares that May Yet be Purchased Under the Plans (3)
1/01 – 1/31/2016		0	$	00.00		0		322,200
2/01 – 2/29/2016		4	$	37.88		0		322,200
3/01 – 3/31/2016		0	$	00.00		0		322,200
Total		4	$	37.88		0

(1) Includes shares exchanged in connection with the exercise of stock options under United’s stock option plans and the payment of taxes associated with the vesting of restricted stock under United’s 2011 Long-Term Incentive Plan. Shares are purchased pursuant to the terms of the applicable plan and not pursuant to a publicly announced stock repurchase plan.

(2) Includes shares purchased in open market transactions by United for a rabbi trust to provide payment of benefits under a deferred compensation plan for certain key officers of United and its subsidiaries. For the quarter ended March 31, 2016, the following shares were purchased for the deferred compensation plan: February 2016 – 4 shares at an average price of $37.88.

(3) In May of 2006, United’s Board of Directors approved a repurchase plan to repurchase up to 1.7 million shares of United’s common stock on the open market (the 2006 Plan). The timing, price and quantity of purchases under the plan are at the discretion of management and the plan may be discontinued, suspended or restarted at any time depending on the facts and circumstances.

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Item 3. DEFAULTS UPON SENIOR SECURITIES

None.

Item 4. MINE SAFETY DISCLOSURES

None.

Item 5. OTHER INFORMATION

(a) None.

(b) No changes were made to the procedures by which security holders may recommend nominees to United’s Board of Directors.

Item 6. EXHIBITS

Exhibits required by Item 601 of Regulation S-K

Exhibit 2.1	Agreement and Plan of Reorganization with Bank of Georgetown
Exhibit 3.1	Articles of Incorporation
Exhibit 3.2	Bylaws
Exhibit 10.1	Independent Contractor Agreement by and between Peter A. Converse and United Bank
Exhibit 31.1	Certification as Adopted Pursuant to Section 302(a) of the Sarbanes-Oxley Act of 2002 by Chief Executive Officer
Exhibit 31.2	Certification as Adopted Pursuant to Section 302(a) of the Sarbanes-Oxley Act of 2002 by Chief Financial Officer
Exhibit 32.1	Certification Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 by Chief Executive Officer
Exhibit 32.2	Certification Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 by Chief Financial Officer
Exhibit 101	Interactive data file (XBRL)

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SIGNATURES

Pursuant to the requirements 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.

		UNITED BANKSHARES, INC.
		(Registrant)
Date:	May 9, 2016	/s/    Richard M. Adams
		Richard M. Adams, Chairman of
		the Board and Chief Executive Officer
Date:	May 9, 2016	/s/    W. Mark Tatterson
		W. Mark Tatterson, Executive Vice President and Chief Financial Officer

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EXHIBIT INDEX

Exhibit No.	Description	Page Number
2.1	Agreement and Plan of Reorganization with Bank of Georgetown		(a	)
3.1	Articles of Incorporation		(b	)
3.2	Bylaws		(c	)
10.1	Independent Contractor Agreement by and between Peter A. Converse and United Bank		76
31.1	Certification as Adopted Pursuant to Section 302(a) of the Sarbanes-Oxley Act of 2002 by Chief Executive Officer		82
31.2	Certification as Adopted Pursuant to Section 302(a) of the Sarbanes-Oxley Act of 2002 by Chief Financial Officer		83
32.1*	Certification Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 by Chief Executive Officer		84
32.2*	Certification Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 by Chief Financial Officer		85
101	Interactive data file (XBRL)		(d	)

Footnotes:

* Furnished not filed.

(a) Incorporated into this filing by reference to Exhibit 2.1 to the Form 8-K dated and filed November 9, 2015 for United Bankshares, Inc., File No. 0-13322.

(b) Incorporated into this filing by reference to a Current Report on Form 8-K dated December 23, 2008 and filed December 31, 2008 for United Bankshares, Inc., File No. 0-13322.

(c) Incorporated into this filing by reference to a Current Report on Form 8-K dated January 25, 2010 and filed January 29, 2010 for United Bankshares, Inc., File No.0-13322.

(d) The interactive data file (XBRL) exhibit is available through United’s corporate website at www.ubsi-inc.com.

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EX-10.1

Exhibit 10.1

INDEPENDENT CONTRACTOR AGREEMENT

THIS INDEPENDENT CONTRACTOR AGREEMENT (the “Agreement”) is

made and entered into this 1st day of April, 2016, between Peter A. Converse (“Contractor,”) and United Bank (“United”).

WHEREAS, Contractor has considerable experience in the banking industry; and

WHEREAS, United wishes to retain the expertise of Contractor and Contractor wishes to perform the services described herein for United and its subsidiaries and affiliates, as the case may be, pursuant to the terms and conditions hereof;

WHEREAS, United and the Contractor acknowledge and agree that no employment relationship exists between United and the Contractor for the work performed under this Agreement. United and the Contractor acknowledge and agree that the Contractor is an independent contractor for all purposes related to this Agreement; and

WHEREAS, parties wish to waive and modify certain provisions of their Severance Agreement and Release entered into on March 31, 2014 (“Converse Severance Agreement and Release”), and their 2014 Independent Contractor Agreement.

NOW, THEREFORE, in consideration of the mutual promises and covenants made in this Agreement, the parties agree as follows:

1.          Services. During the period from the date this Agreement is made and entered into, to the date which is one year from and after the date on which Contractor first begins performing services under this Agreement, and for possible additional one year renewal periods thereafter, unless earlier terminated pursuant to paragraph 5 below, Contractor shall provide business development services, as well as consulting and advisory services to United and its subsidiaries and affiliates, to the extent Contractor and United deem appropriate, but for no more than one day per week or the hourly equivalent thereof and in no event to exceed 8 hours per week.

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2.          Compensation. For services rendered by Contractor hereunder, Contractor shall be compensated by United as follows: for each one year period during which this Agreement remains in effect, prior to termination pursuant to paragraph 5 below, Contractor shall be paid the sum of One Hundred and Twenty Thousand Dollars ($120,000.00) with such $120,000.00 sum to be paid in equal semi-monthly installments.

3.          Business Expenses. Contractor shall retain the sole responsibility for his own business-related expenses, provided, however, that United shall afford Contractor access to reasonable office space, office supplies and secretarial assistance and shall reimburse Contractor for any reasonable business expenses incurred in the performance of services for United hereunder, but only if such business expense is in fact incurred by Contractor prior to any termination of this Agreement pursuant to paragraph 5. The reimbursement of an eligible business expense, if any, shall be made by United in accordance with United’s regular reimbursement procedures but, in no event, later than the last day of Contractor’s taxable year during which the expense was incurred or, if later, the fifteenth day of the third month after such expense was incurred, and Contractor is required to request reimbursement and substantiate any such expense no later than ten days prior to the last date on which United is required to provide reimbursement for such expense hereunder. The amount of business expenses, if any, eligible for reimbursement during Contractor’s taxable year shall not affect the expenses eligible for reimbursement, if any, in any other taxable year. The right to reimbursement, if any, under this Agreement is not subject to liquidation or exchange for another benefit.

4.          Duties of Independent Contractor. Contractor agrees to provide business development services, as well as consulting and advisory services respecting financial and banking matters that are needed by United, within the limits set forth in paragraph 1, and Contractor agrees to provide his services in the most efficient, comprehensive and professional manner possible.

5.          Termination of Agreement. This Agreement may be terminated at any time, with or without cause, by either party by thirty (30) days prior written notification. In addition, this Agreement shall terminate immediately upon the death of Contractor. Upon termination, Contractor shall be entitled to receive compensation, as provided in paragraph 2, only to the date of termination, which compensation shall be paid at the time and in the manner provided in paragraph 2.

6.          Independent Contractor Status. It is understood that Contractor is an independent contractor, and is not an employee, agent, partner, affiliate or representative of United, and shall not hold himself out to the public as an employee, agent, partner, affiliate or representative of United. As such, United is not responsible for providing insurance coverage including, but not limited to, the types of coverage listed

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below in this paragraph 6, and if Contractor so determines, in his sole discretion, that any such coverage or other types of coverage is needed, then Contractor is responsible, where necessary, to secure, at his sole cost, professional and general liability insurance, workers’ compensation insurance, disability benefits insurance, and any other insurance as may be required by law or by this Agreement.

7.          Tax Duties and Responsibilities. Contractor is solely responsible for the payment of all required taxes, whether federal, state or local in nature, including, but not limited to, payroll taxes, income taxes, social security taxes, federal unemployment compensation taxes, and any other fees, charges, licenses, or other payments required by law. United agrees to provide all information needed by Contractor to fulfill his tax obligations on a timely basis.

8.          Business of Independent Contractor. Contractor may engage in any business that he may choose, and is not required to devote all his energies exclusively for the benefit of United.

9.          Supervision. Contractor shall not be subject to the provisions of any personnel handbook or the rules and regulations applicable to employees of United because Contractor shall fulfill his responsibilities independent of, and without supervisory control by United, provided, however, that (i) Contractor’s fulfillment of his obligations under this Agreement shall be reviewed periodically by the Chief Executive Officer or other officer of United and (ii) Contractor shall abide by and observe all rules relating to safety and security and all anti-discrimination and anti-harassment policies of United, whether now in existence or hereafter adopted.

10.        Confidential Information. Contractor acknowledges that United may disclose certain confidential information to the Contractor during the term of this Agreement to enable him to perform his duties hereunder. Contractor hereby covenants and agrees that he will not, without the prior written consent of United, during the term of this Agreement or at any time thereafter, disclose or permit to be disclosed to any third party by any method whatsoever any of the confidential information of United or any subsidiary or affiliate thereof. For purposes of this Agreement, “confidential information” shall include, but not be limited to, any and all records, notes, memoranda, data, ideas, processes, methods, techniques, systems, formulas, patents, models, devices, programs, computer software, writings, research, personnel information, customer information, United’s financial information, plans, or any other information of whatever nature in the possession or control of United or any of its subsidiaries or affiliates which has not been published or disclosed to the general public, or which gives United an opportunity to obtain an advantage over competitors who do not know of or

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use it. Contractor further agrees that if this Agreement is terminated for any reason, he will leave with United and will not take originals or copies of any and all records, papers, programs, computer software and documents and all matter of whatever nature which bears secret or confidential information of United.

The foregoing paragraph shall not be applicable if and to the extent Contractor is required to testify in a judicial or regulatory proceeding pursuant to an order of a judge or administrative law judge issued after Contractor and his legal counsel urge that the aforementioned confidentiality be preserved.

The foregoing covenants will not prohibit Contractor from disclosing confidential or other information to employees of United or any third parties to the extent that such disclosure is necessary to the performance of his duties under this Agreement.

11.        Notices. For the purposes of this Agreement, notices and all other communications provided for in the Agreement shall be in writing and shall be deemed to have been duly given when delivered or mailed by United States registered or certified mail, return receipt requested, postage prepaid, addressed as follows:

If to the Contractor:	Peter A. Converse
	4050 Lorcom Lane
	Arlington, VA 22207
If to United:	United Bank
	Attn.: James J. Consagra, Jr.
	2071 Chain Bridge Road, Suite 600
	Vienna, VA 22182

12.        Separation from Service. In the event of a termination of this Agreement pursuant to paragraph 5, regardless of whether or not Contractor may continue thereafter to serve as a member of the Board of Directors of United or any affiliate, or to otherwise provide any services as an independent contractor for United or any affiliate, and regardless of whether or not Contractor shall thereby meet or fail to meet the definition of “Separation from Service” with regard to United or any affiliate, due to any such continued service as an independent contractor other than under this Agreement, this Agreement shall nevertheless terminate and in no event shall Contractor be entitled to any compensation under this Agreement for any period from or after such date of termination of this Agreement. “Separation from Service” means the good faith, complete expiration and termination of Contractor’s service, hereunder or otherwise as an independent contractor for United or any affiliate, including but not limited to as a member of the Board of Directors or otherwise, as the case may be, for any reason. In addition, the term “Separation from Service” shall be interpreted under this Plan in a

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manner consistent with the requirements of Code Section 409A which are incorporated herein by reference, but in all events, regardless of whether or not, upon termination of this Agreement under paragraph 5, Contractor has “Separated from Service” as a member of the Board of Directors of United or any affiliate, or otherwise as an independent contractor for United or any affiliate other than under this Agreement, no compensation shall be due under this Agreement for any period from and after termination of this Agreement under paragraph 5 of this Agreement.

13.        Assignment. Neither party shall sell, assign or transfer this Agreement without the prior written consent of the other party.

14.        Governing Law. This Agreement shall be subject to and governed by the laws of the Commonwealth of Virginia.

15.        Severability. If any provision of this Agreement, or any portion of any provision hereof, is held to be invalid, illegal or unenforceable, all other provisions shall remain in force and effect as if such invalid, illegal or unenforceable provision or portion thereof had not been included herein. If any provision or portion of any provision of this Agreement is so broad as to be unenforceable, such provision or a portion thereof shall be interpreted to be only so broad as is enforceable.

16.        Waiver of Breach. No requirement of this Agreement may be waived except by a written document signed by the party adversely affected. A waiver of a breach of any provision of the Agreement by any party shall not be construed as a waiver of subsequent breaches of that provision.

17.        Modification. No change, modification or waiver of any term of this Agreement shall be valid unless it is in writing and signed by both parties.

18.        Interpretation. Words importing the masculine, feminine or neutral gender shall include any other gender and shall, where applicable, include firms, corporations and other legal entities.

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19.        Modification of Prior Agreements. In consideration of the mutual promises and covenants made in this Agreement, the parties agree to the following modifications of previous agreements between them:

19.1    Modification of Converse Severance Agreement and Release. The parties agree that the first clause of Section 2(d)(i) of the Converse Severance Agreement and Release, which currently reads “for thirty-six (36) months from and after the Termination Date,” shall be stricken and replaced with the following first clause: “for twenty-four (24) months from and after the Termination Date”; and

19.2    Modification of 2014 Independent Contractor Agreement. The parties further agree to terminate the 2014 Independent Contractor Agreement between them.

20.        Entire Agreement. This Agreement constitutes the entire agreement between the parties relating to the independent contractor relationship between the parties, and supersedes all prior agreements or understandings between the parties; provided, however, that

(1) the covenants respecting confidentiality, non-competition and non-piracy of the Employment Agreement, which terminated by resignation of Peter A. Converse at the end of the day on March 31, 2014, shall remain in effect and shall not be superseded by this Agreement; and (2) that the Converse Severance Agreement and Release, as modified by Section 19.1 above, shall remain in effect and shall not be superseded by this Agreement.

21.        Headings.  The headings are inserted for convenience only and shall be considered when interpreting any of the provisions or terms hereof.

IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above written.

/s/ Peter A. Converse
Contractor
UNITED BANK
By: /s/ James J. Consagra, Jr.
James J. Consagra, Jr.
Its:	Chief Executive Officer

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EX-31.1

Exhibit 31.1

CERTIFICATION

I, Richard M. Adams, Chief Executive Officer, certify that:

1. I have reviewed this quarterly report on Form 10-Q of United Bankshares, Inc.;

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(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) 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.

Date:	May 9, 2016	/s/ Richard M. Adams
		Richard M. Adams, Chairman of the
		Board and Chief Executive Officer

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EX-31.2

Exhibit 31.2

CERTIFICATION

I, W. Mark Tatterson, Chief Financial Officer, certify that:

1. I have reviewed this quarterly report on Form 10-Q of United Bankshares, Inc.;

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(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) 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.

Date:	May 9, 2016	/s/ W. Mark Tatterson
		W. Mark Tatterson, Executive
		Vice President and Chief Financial Officer

83

EX-32.1

Exhibit 32.1

CERTIFICATION

Pursuant to 18 U.S.C. § 1350, the undersigned officer of United Bankshares, Inc. (the “Company”), hereby certifies, to such officer’s knowledge, that the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2016 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934 and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	May 9, 2016	/s/ Richard M. Adams
		Name: Richard M. Adams
		Title: Chief Executive Officer

84

EX-32.2

Exhibit 32.2

CERTIFICATION

Pursuant to 18 U.S.C. § 1350, the undersigned officer of United Bankshares, Inc. (the “Company”), hereby certifies, to such officer’s knowledge, that the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2016 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934 and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	May 9, 2016	/s/ W. Mark Tatterson
		Name: W. Mark Tatterson
		Title: Chief Financial Officer

85

XML

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2016	Apr. 30, 2016
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2016
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q1
Trading Symbol	UBSI
Entity Registrant Name	UNITED BANKSHARES INC/WV
Entity Central Index Key	0000729986
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		69,712,832

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Assets
Cash and due from banks	$ 151,470	$ 136,690
Interest-bearing deposits with other banks	752,648	719,923
Federal funds sold	723	722
Total cash and cash equivalents	904,841	857,335
Securities available for sale at estimated fair value (amortized cost-$1,060,944 at March 31, 2016 and $1,072,340 at December 31, 2015)	1,068,252	1,066,334
Securities held to maturity (estimated fair value-$35,567 at March 31, 2016 and $36,319 at December 31, 2015)	39,058	39,099
Other investment securities	100,000	98,749
Loans held for sale	5,395	10,681
Loans	9,393,200	9,398,952
Less: Unearned income	(14,807)	(14,872)
Loans net of unearned income	9,378,393	9,384,080
Less: Allowance for loan losses	(75,490)	(75,726)
Net loans	9,302,903	9,308,354
Bank premises and equipment	72,012	73,089
Goodwill	710,252	710,252
Accrued interest receivable	36,068	35,801
Other assets	368,103	378,250
TOTAL ASSETS	12,606,884	12,577,944
Deposits:
Noninterest-bearing	2,792,571	2,699,958
Interest-bearing	6,531,997	6,641,569
Total deposits	9,324,568	9,341,527
Borrowings:
Federal funds purchased	27,100	22,230
Securities sold under agreements to repurchase	315,475	341,661
Federal Home Loan Bank borrowings	885,855	850,880
Other long-term borrowings	223,723	223,506
Reserve for lending-related commitments	1,193	936
Accrued expenses and other liabilities	93,933	84,569
TOTAL LIABILITIES	$ 10,871,847	$ 10,865,309
Shareholders' Equity
Preferred stock, $1.00 par value; Authorized-50,000,000 shares, none issued
Common stock, $2.50 par value; Authorized-100,000,000 shares; issued-69,733,465 and 69,626,932 at March 31, 2016 and December 31, 2015, respectively, including 27,124 and 23,835 shares in treasury at March 31, 2016 and December 31, 2015, respectively	$ 174,334	$ 174,067
Surplus	754,317	752,997
Retained earnings	836,308	824,603
Accumulated other comprehensive loss	(28,989)	(38,212)
Treasury stock, at cost	(933)	(820)
TOTAL SHAREHOLDERS' EQUITY	1,735,037	1,712,635
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 12,606,884	$ 12,577,944

XML

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Securities available for sale, amortized cost	$ 1,060,944	$ 1,072,340
Securities held to maturity	$ 35,567	$ 36,319
Preferred stock, par value	$ 1.00	$ 1.00
Preferred stock, shares authorized	50,000,000	50,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 2.50	$ 2.50
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	69,733,465	69,626,932
Common stock, shares in treasury	27,124	23,835

XML

Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Interest income
Interest and fees on loans	$ 99,334	$ 95,149
Interest on federal funds sold and other short-term investments	622	331
Interest and dividends on securities:
Taxable	7,707	8,189
Tax-exempt	833	880
Total interest income	108,496	104,549
Interest expense
Interest on deposits	6,885	6,885
Interest on short-term borrowings	214	231
Interest on long-term borrowings	3,113	2,684
Total interest expense	10,212	9,800
Net interest income	98,284	94,749
Provision for loan losses	4,035	5,354
Net interest income after provision for loan losses	94,249	89,395
Other income
Fees from trust and brokerage services	4,869	4,892
Fees from deposit services	7,973	9,773
Bankcard fees and merchant discounts	838	814
Other service charges, commissions, and fees	429	478
Income from bank-owned life insurance	1,180	1,273
Income from mortgage banking	728	545
Other income	371	404
Total other-than-temporary impairments	0	(100)
Portion of loss recognized in other comprehensive income	0	66
Net other-than-temporary impairment losses	0	(34)
Net gains on sales/calls of investment securities	4	46
Net investment securities gains	4	12
Total other income	16,392	18,191
Other expense
Employee compensation	22,279	20,268
Employee benefits	6,603	6,803
Net occupancy expense	6,253	6,529
Other real estate owned (OREO) expense	649	1,113
Equipment expense	2,007	2,124
Data processing expense	3,551	3,743
Bankcard processing expense	368	349
FDIC insurance expense	2,120	2,094
Other expense	14,226	14,632
Total other expense	58,056	57,655
Income before income taxes	52,585	49,931
Income taxes	17,879	15,304
Net income	$ 34,706	$ 34,627
Earnings per common share:
Basic	$ 0.50	$ 0.50
Diluted	0.50	0.50
Dividends per common share	$ 0.33	$ 0.32
Average outstanding shares:
Basic	69,497,489	69,207,508
Diluted	69,714,121	69,476,844

XML

Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 34,706	$ 34,627
Change in net unrealized gain on available-for-sale (AFS) securities, net of tax	8,493	5,334
Accretion of the net unrealized loss on the transfer of AFS securities to held-to-maturity (HTM) securities, net of tax	1	1
Change in defined benefit pension plan, net of tax	729	768
Comprehensive income, net of tax	$ 43,929	$ 40,730

XML

Consolidated Statement of Changes in Shareholders' Equity (Unaudited) - 3 months ended Mar. 31, 2016 - USD ($) $ in Thousands	Total	Common Stock [Member]	Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]
Balance at January 1, 2016 at Dec. 31, 2015	$ 1,712,635	$ 174,067	$ 752,997	$ 824,603	$ (38,212)	$ (820)
Beginning Balance, shares at Dec. 31, 2015		69,626,932
Comprehensive income:
Net income	34,706	$ 0	0	34,706	0	0
Other comprehensive income, net of tax	9,223	0	0	0	9,223	0
Comprehensive income, net of tax	43,929
Stock based compensation expense	658	0	658	0	0	0
Purchase of treasury stock	0	0	0	0	0	0
Cash dividends	(23,001)		0	(23,001)	0	0
Grant of restricted stock	0	161	(161)	0	0	0
Forfeiture of restricted stock	0	0	113	0	0	(113)
Common stock options exercised	816	106	710	0	0	0
Balance at March 31, 2016 at Mar. 31, 2016	$ 1,735,037	$ 174,334	$ 754,317	$ 836,308	$ (28,989)	$ (933)
Ending Balance, shares at Mar. 31, 2016		69,733,465

XML

Consolidated Statement of Changes in Shareholders' Equity (Unaudited) (Parenthetical)	3 Months Ended
	Mar. 31, 2016 $ / shares shares
Cash dividends per share | $ / shares	$ 0.33
Common stock options exercised, shares	42,441
Common Stock [Member]
Purchase of treasury stock, shares	0
Grant of restricted stock, shares	64,092
Forfeiture of restricted stock, shares	3,288
Common stock options exercised, shares	42,441
Treasury Stock [Member]
Purchase of treasury stock, shares	4

XML

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Cash Flows [Abstract]
NET CASH PROVIDED BY OPERATING ACTIVITIES	$ 57,934	$ 53,891
INVESTING ACTIVITIES
Proceeds from maturities and calls of securities held to maturity	2	182
Proceeds from sales of securities available for sale	33	1,721
Proceeds from maturities and calls of securities available for sale	34,966	34,366
Purchases of securities available for sale	(23,813)	(12,514)
Purchases of bank premises and equipment	(789)	(1,500)
Proceeds from sales and redemptions of other investment securities	6,519	11,578
Purchases of other investment securities	(7,770)	(5,371)
Net change in loans	4,671	58,360
NET CASH PROVIDED BY INVESTING ACTIVITIES	13,819	86,822
FINANCING ACTIVITIES
Cash dividends paid	(22,968)	(22,166)
Excess tax benefits from stock-based compensation arrangements	831	214
Proceeds from exercise of stock options	820	2,799
Repayment of long-term Federal Home Loan Bank borrowings	(705,025)	(615,335)
Proceeds from issuance of long-term Federal Home Loan Bank borrowings	725,000	490,000
Changes in:
Deposits	(16,959)	31,877
Federal funds purchased, securities sold under agreements to repurchase and other short-term borrowings	(5,946)	(113,672)
NET USED IN PROVIDED BY FINANCING ACTIVITIES	(24,247)	(226,283)
Increase (Decrease) in cash and cash equivalents	47,506	(85,570)
Cash and cash equivalents at beginning of year	857,335	753,064
Cash and cash equivalents at end of period	$ 904,841	$ 667,494

XML

General

3 Months Ended

Mar. 31, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

General

1. GENERAL

The accompanying unaudited consolidated interim financial statements of United Bankshares, Inc. and Subsidiaries (“United” or “the Company”) have been prepared in accordance with accounting principles for interim financial information generally accepted in the United States (GAAP) and with the instructions for Form 10-Q and Article 10 of Regulation S-X. Accordingly, the financial statements do not contain all of the information and footnotes required by accounting principles generally accepted in the United States. In preparing the consolidated financial statements, management is required to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates. The financial statements presented as of March 31, 2016 and 2015 and for the three-month periods then ended have not been audited. The consolidated balance sheet as of December 31, 2015 has been extracted from the audited financial statements included in United’s 2015 Annual Report to Shareholders. The accounting and reporting policies followed in the presentation of these financial statements are consistent with those applied in the preparation of the 2015 Annual Report of United on Form 10-K. To conform to the 2016 presentation, certain reclassifications have been made to prior period amounts, which had no impact on net income, comprehensive income, or stockholders’ equity. In the opinion of management, all adjustments necessary for a fair presentation of financial position and results of operations for the interim periods have been made. Such adjustments are of a normal and recurring nature.

The accompanying consolidated interim financial statements include the accounts of United and its wholly owned subsidiaries. United considers all of its principal business activities to be bank related. All significant intercompany accounts and transactions have been eliminated in the consolidated financial statements. Dollars are in thousands, except per share or unless otherwise noted.

New Accounting Standards

In March 2016, the FASB issued ASU 2016-09, “Compensation-Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting.” ASU 2016-09 will change certain aspects of accounting for share-based payments to employees. The new guidance, amongst other things, will require all income tax effects of awards to be recognized in the income statement when the awards vest or are settled. It also will allow an employer to repurchase more of an employee’s shares than it can today for tax withholding purposes without triggering liability accounting and to make a policy election to account for forfeitures as they occur. ASU 2016-09 is effective for United on January 1, 2017, and management is currently evaluating the possible impact this standard may have on the Company’s financial condition or results of operations.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842)”. ASU 2016-02 includes a lessee accounting model that recognizes two types of leases, finance leases and operating leases, while lessor accounting will remain largely unchanged from the current GAAP. ASU 2016-02 requires, amongst other things, that a lessee recognize on the balance sheet a right-of-use asset and a lease liability for leases with lease terms of more than twelve months. The recognition, measurement, and presentation of expenses and cash flows arising from a lease by a lessee will depend on its classification as a finance or operating lease. ASU 2016-02 is effective for United on January 1, 2019 and management is currently evaluating the possible impact this standard may have on the Company’s financial condition or results of operations.

In January 2016, the FASB issued ASU 2016-01, “Financial Instruments Overall: Recognition and Measurement of Financial Assets and Financial Liabilities.” ASU 2016-01 makes changes to the classification and measurement of investments in equity securities, the presentation of certain fair value changes for financial liabilities measured at fair value under the fair value option and disclosure of fair value of instruments. In addition, ASU 2016-01 clarifies guidance related to the valuation allowance assessment when recognizing deferred tax assets resulting from unrealized losses on available-for-sale debt securities. ASU 2016-01 is effective for United on January 1, 2018 and is not expected to have a significant impact on the Company’s financial condition or results of operations.

In September 2015, the FASB issued ASU 2015-16, “Simplifying the Accounting for Measurement-Period Adjustments” associated with a business combination, as part of its simplification initiative. ASU 2015-16 requires an acquirer to “recognize adjustments to provisional amounts that are identified during the measurement period in the reporting period in which the adjustment amounts are determined.” In addition, the acquirer must record, in the financial statements for the same period, “the effect on earnings of changes in depreciation, amortization, or other income effect, if any, as a result of the change to the provisional amounts, calculated as if the accounting had been completed at the acquisition date.” Entities must also “present separately on the face of the income statement or disclose in the notes the portion of the amount recorded in the current-period earnings by line item that would have been recorded in previous reporting periods if the adjustment to the provisional amount had been recognized as of the acquisition date.” ASU 2015-16 was effective for United on January 1, 2016 and did not have a significant impact on the Company’s financial condition or results of operations.

In May 2015, the FASB issued ASU 2015-07, “Disclosures for Investment in Certain Entities That Calculate Net Asset Value per Share (or Its Equivalent), a consensus of the FASB Emerging Issues Task Force.” ASU 2015-07 modifies certain provisions of FASB Accounting Standards Codification Topic 820, Fair Value Measurement (ASC 820). ASU 2015-07 eliminates the requirement to categorize investments in the fair value hierarchy if an investment’s fair value is measured based on net asset value (NAV) per share (or its equivalent) using the practical expedient. The reporting entities will no longer be required to provide the related fair value disclosures for these securities but instead, will be required to disclose information to help users understand the nature of the investments as well as risks, including whether it is probable that the amount realized on the sale of the investments would differ from net asset value. ASU 2015-07 was effective for United on January 1, 2016 and did not have a significant impact on the Company’s financial condition or results of operations.

In April 2015, the FASB issued ASU 2015-04, “Compensation – Retirement Benefits: Practical Expedient for the Measurement Date of an Employer’s Defined Benefit Obligation and Plan Assets.” ASU 2015-04 gives an employer whose fiscal year-end does not coincide with a calendar month-end the ability, as a practical expedient, to measure defined benefit retirement obligations and related plan assets as of the month-end that is closest to its fiscal year-end. ASU 2015-04 also provides guidance on accounting for contributions to the plan and significant events that require a remeasurement that occur during the period between a month-end measurement and the employer’s fiscal year-end. ASU 2015-04 was effective for United on January 1, 2016 and did not have a significant impact on the Company’s financial condition or results of operations.

In April 2015, the FASB issued ASU 2015-03, “Simplifying the Presentation of Debt Issuance Costs.” Under ASU 2015-03, debt issuance costs are required to be presented as a direct deduction of debt balances on the statement of financial condition, similar to the presentation of debt discounts. ASU 2015-03 is limited to simplifying the presentation of debt issuance costs and does not change the recognition and measurement guidance for debt issuance costs. ASU 2015-03 was effective for United on January 1, 2016 and did not have a significant impact on the Company’s financial condition or results of operations.

In February 2015, the FASB issued ASU 2015-02, “Amendments to the Consolidation Analysis.” ASU 2015-02 improves targeted areas of the consolidation guidance and reduces the number of consolidation models. The new consolidation standard eliminates the deferral of FAS 167 and makes changes to both the variable interest model and the voting model in ASC 810. ASU 2015-02 affects all entities, could change consolidation conclusions and may trigger additional disclosures. ASU 2015-02 was effective for United on January 1, 2016 and did not have a significant impact on the Company’s financial condition or results of operations.

In January 2015, the FASB issued ASU 2015-01, “Income Statement, Extraordinary and Unusual Items (Subtopic 225-20).”ASU 2015-01 eliminates the separate presentation of extraordinary items but does not change the requirement to disclose material items that are unusual or infrequent in nature. Eliminating the concept of extraordinary items will allow entities to no longer have to assess whether a particular event or transaction is both unusual in nature and infrequent in occurrence. ASU 2015-01 was effective for United on January 1, 2016 and did not have a significant impact on the Company’s financial condition or results of operations.

In June 2014, the FASB issued ASU 2014-12, “Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period.” ASU 2014-12 amends the guidance in FASB ASC 718, “Compensation-Stock Compensation”, to bring consistency to the accounting for share-based payment awards that require a specific performance target to be achieved in order for employees to become eligible to vest in the awards. The amendments affect all entities that grant their employees share-based payments in which the terms of the award provide that a performance target that affects vesting could be achieved after the requisite service period. ASU 2014-12 was effective for United on January 1, 2016 and did not have a significant impact on the Company’s financial condition or results of operations.

In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers (Topic 606).” ASU 2014-09 supersedes the revenue recognition requirements in Accounting Standards Codification Topic 605, “Revenue Recognition”, and most industry-specific guidance throughout the Accounting Standards Codification. The amendments require an entity to recognize revenue upon 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 and services. The new revenue recognition standard sets forth a five step principle-based approach for determining revenue recognition. In April 2015, the FASB voted to defer the effective date of ASU 2014-09 by one-year for both public and private companies, and gave both public and private companies the option to “early” adopt using the original effective dates. ASU 2014-09 now will be effective for United on January 1, 2018 with early adoption permitted on January 1, 2017. Management is currently evaluating this guidance to determine the impact on the Company’s financial condition or results of operations.

XML

Mergers and Acquisitions

3 Months Ended

Mar. 31, 2016

Business Combinations [Abstract]

Mergers and Acquisitions

2. MERGERS AND ACQUISITIONS

On November 9, 2015, United announced the signing of a definite merger agreement with Bank of Georgetown, a privately held community bank headquartered in Washington, D.C. Bank of Georgetown had $1.3 billion in assets as of March 31, 2016. With this transaction, United continues to strengthen its franchise and enhance its existing footprint in the D.C. Metro Region. United will acquire 100% of the outstanding shares of Bank of Georgetown in exchange for common shares of United. The exchange ratio will be fixed at 0.9313 of United’s shares for each share of Bank of Georgetown which equates to $37.00 per share, based on the 15-day average price of $39.73 for United’s stock prior to the announcement.

United has received all regulatory approvals for the merger. In addition, Bank of Georgetown’s shareholders have approved the merger. The transaction is expected to close on June 3, 2016.

XML

Investment Securities

3 Months Ended

Mar. 31, 2016

Investments, Debt and Equity Securities [Abstract]

Investment Securities

3. INVESTMENT SECURITIES

Securities held for indefinite periods of time and all marketable equity securities are classified as available for sale and carried at estimated fair value. The amortized cost and estimated fair values of securities available for sale are summarized as follows:

	March 31, 2016
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Cumulative OTTI in AOCI(1)
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	70,152	$	3,204	$	0	$	73,356	$	0
State and political subdivisions		131,953		3,909		33		135,829		0
Residential mortgage-backed securities
Agency		465,513		11,840		61		477,292		0
Non-agency		8,585		176		7		8,754		458
Commercial mortgage-backed securities
Agency		299,095		6,729		22		305,802		0
Asset-backed securities		2,640		0		3		2,637		0
Trust preferred collateralized debt obligations		49,342		686		17,435		32,593		25,952
Single issue trust preferred securities		13,325		234		2,599		10,960		0
Other corporate securities		14,994		87		0		15,081		0
Marketable equity securities		5,345		614		11		5,948		0
Total	$	1,060,944	$	27,479	$	20,171	$	1,068,252	$	26,410
	December 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Cumulative OTTI in AOCI(1)
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	71,993	$	1,793	$	0	$	73,786	$	0
State and political subdivisions		130,685		3,144		51		133,778		0
Residential mortgage-backed securities
Agency		473,109		5,580		707		477,982		0
Non-agency		9,119		457		5		9,571		458
Commercial mortgage-backed securities
Agency		305,990		1,843		1,898		305,935		0
Asset-backed securities		3,404		0		5		3,399		0
Trust preferred collateralized debt obligations		49,386		635		15,335		34,686		25,952
Single issue trust preferred securities		13,811		249		2,367		11,693		0
Other corporate securities		9,999		50		0		10,049		0
Marketable equity securities		4,844		637		26		5,455		0
Total	$	1,072,340	$	14,388	$	20,394	$	1,066,334	$	26,410

(1) Other-than-temporary impairment in accumulated other comprehensive income. Amounts are before tax.

The following is a summary of securities available-for-sale which were in an unrealized loss position at March 31, 2016 and December 31, 2015.

	Less than 12 months				12 months or longer
	Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses
March 31, 2016
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	0	$	0	$	0	$	0
State and political subdivisions		13,041		33		0		0
Residential mortgage-backed securities
Agency		12,246		47		10,025		14
Non-agency		299		7		0		0
Commercial mortgage-backed securities
Agency		0		0		9,424		22
Asset-backed securities		2,637		3		0		0
Trust preferred collateralized debt obligations		1,029		276		26,628		17,159
Single issue trust preferred securities		3,900		736		3,824		1,863
Marketable equity securities		1,377		11		0		0
Total	$	34,529	$	1,113	$	49,901	$	19,058
	Less than 12 months				12 months or longer
	Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses
December 31, 2015
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	0	$	0	$	0	$	0
State and political subdivisions		15,550		51		0		0
Residential mortgage-backed securities
Agency		90,004		707		0		0
Non-agency		348		5		0		0
Commercial mortgage-backed securities
Agency		170,340		1,650		9,255		248
Asset-backed securities		3,399		5		0		0
Trust preferred collateralized debt obligations		3,304		135		28,633		15,200
Single issue trust preferred securities		4,225		404		3,720		1,963
Marketable equity securities		986		26		0		0
Total	$	288,156	$	2,983	$	41,608	$	17,411

Marketable equity securities consist mainly of equity securities of financial institutions and mutual funds within a rabbi trust for the payment of benefits under a deferred compensation plan for certain key officers of United and its subsidiaries. The following table shows the proceeds from maturities, sales and calls of available for sale securities and the gross realized gains and losses on sales and calls of those securities that have been included in earnings as a result of those sales and calls. Gains or losses on sales and calls of available for sale securities were recognized by the specific identification method. The realized losses relate to sales of securities within a rabbi trust for the payment of benefits under a deferred compensation plan for certain key officers of United and its subsidiaries.

	Three Months Ended March 31
	2016		2015
Proceeds from sales and calls	$	34,999	$	36,087
Gross realized gains		6		50
Gross realized losses		2		4

At March 31, 2016, gross unrealized losses on available for sale securities were $20,171 on 49 securities of a total portfolio of 453 available for sale securities. Securities in an unrealized loss position at March 31, 2016 consisted primarily of pooled trust preferred collateralized debt obligations (Trup Cdos) and single issue trust preferred securities. The Trup Cdos and the single issue trust preferred securities relate mainly to securities of financial institutions. In determining whether or not a security is other-than-temporarily impaired (OTTI), management considered the severity and the duration of the loss in conjunction with United’s positive intent and the more likely than not ability to hold these securities to recovery of their cost basis or maturity.

Agency mortgage-backed securities

United’s agency mortgage-backed securities portfolio relates to securities issued by Fannie Mae, Freddie Mac, and Ginnie Mae. The total amortized cost of available for sale agency mortgage-backed securities was $764,608 at March 31, 2016. Of the $764,608, $299,095 was related to agency commercial mortgage-backed securities and $465,513 was related to agency residential mortgage-backed securities. Each of the agency mortgage-backed securities provides a guarantee of full and timely payments of principal and interest by the issuing agency. Based upon management’s analysis and judgment, it was determined that none of the agency mortgage-backed securities were other-than-temporarily impaired at March 31, 2016.

Non-agency residential mortgage-backed securities

United’s non-agency residential mortgage-backed securities portfolio relates to securities of various private label issuers. The Company has no exposure to real estate investment trusts (REITS) in its investment portfolio. The total amortized cost of available for sale non-agency residential mortgage-backed securities was $8,585 at March 31, 2016. Of the $8,585, $1,633 was rated above investment grade and $6,952 was rated below investment grade. Approximately 27% of the portfolio includes collateral that was originated during the year of 2005 or before. The remaining 73% includes collateral that was originated in the years of 2006 and 2007. The entire portfolio of the non-agency residential mortgage-backed securities is either the senior or super-senior tranches of their respective structure. In determining whether or not the non-agency mortgage-backed securities are other-than-temporarily impaired, management performs an in-depth analysis on each non-agency residential mortgage-backed security on a quarterly basis. The analysis includes a review of the following factors: weighted average loan to value, weighted average maturity, average FICO scores, historical collateral performance, geographic concentration, credit subordination, cross-collateralization, coverage ratios, origination year, full documentation percentage, event risk (repricing), and collateral type. Management completes a quarterly stress test to determine the level of loss protection remaining in each individual security and compares the protection remaining to the future expected performance of the underlying collateral. Additionally, management utilizes a third-party cash flow model to perform a cash flow test for each bond below investment grade. The model produces a bond specific set of cash flows based upon assumptions input by management. The input assumptions that are incorporated include the projected constant default rate (CDR) of the underlying mortgages, the loss severity upon default, and the prepayment rate on the underlying mortgage collateral. CDR and loss severities are forecasted by management after full evaluation of the underlying collateral including recent performance statistics. Therefore, based upon management’s analysis and judgment, there was no additional credit-related or noncredit-related other-than-temporary impairment recognized on the non-agency residential mortgage-backed securities at March 31, 2016.

Single issue trust preferred securities

The majority of United’s single-issue trust preferred portfolio consists of obligations from large cap banks (i.e. banks with market capitalization in excess of $10 billion). Management reviews each issuer’s current and projected earnings trends, asset quality, capitalization levels, and other key factors. Upon completing the review for the first quarter of 2016, it was determined that none of the single issue securities were other-than-temporarily impaired. All single-issue trust preferred securities are currently receiving interest payments. The available for sale single issue trust preferred securities’ ratings ranged from a low of B+ to a high of BBB-. The amortized cost of available for sale single issue trust preferred securities as of March 31, 2016 consisted of $3,002 in investment grade bonds, $4,636 in split-rated bonds and $5,687 in below investment grade bonds. All of the below investment grade bonds were in an unrealized loss position for twelve months or longer as of March 31, 2016.

Trust preferred collateralized debt obligations (Trup Cdos)

In order to determine how and when the Company recognizes OTTI, the Company first assesses its intentions regarding any sale of securities as well as the likelihood that it would be required to sell prior to recovery of the amortized cost. As of March 31, 2016, the Company has determined that it does not intend to sell any pooled trust preferred security and that it is not more likely than not that the Company will be required to sell such securities before recovery of their amortized cost.

To determine a net realizable value and assess whether other-than-temporary impairment existed, management performed detailed cash flow analysis to determine whether, in management’s judgment, it was more likely that United would not recover the entire amortized cost basis of the security. The Company discounts the security-specific cash flow projection at the security-specific interest rate and compares the present value to the amortized cost. Management’s cash flow analysis was performed for each security and considered the current deferrals and defaults within the underlying collateral, the likelihood that current deferrals would cure or ultimately default, potential future deferrals and defaults, potential prepayments, cash reserves, excess interest spread, credit analysis of the underlying collateral and the priority of payments in the cash flow structure. The underlying collateral analysis for each issuer took into consideration multiple factors including capital adequacy, earnings trends and asset quality. After completing its analysis of estimated cash flows, management determined that none of the Trup Cdos experienced an adverse change in cash flows during the first quarter of 2016, as the expected discounted cash flows from these particular securities were greater than or equal to the discounted cash flows originally expected at purchase or from the previous date of other-than-temporary impairment (cash flows are discounted at the contractual coupon rate for purposes of assessing OTTI).

There was no credit-related other-than-temporary impairment recognized in earnings for the first quarter of 2016 related to these securities. The total credit-related other-than-temporary impairment recognized in earnings during 2015 related to these securities was $34. The balance of noncredit-related other-than-temporary impairment recognized on United’s Trup Cdo portfolio was $25,952 at March 31, 2016 and December 31, 2015.

The amortized cost of available for sale Trup Cdos in an unrealized loss position for twelve months or longer as of March 31, 2016 consisted of $4,527 in investment grade bonds and $39,260 in below investment grade bonds.

The following is a summary of the available for sale Trup Cdos as of March 31, 2016:

							Amortized Cost
Class	Amortized Cost		Fair Value		Unrealized Loss		Investment Grade		Split Rated		Below Investment Grade
Senior – Bank	$	6,668	$	5,917	$	751	$	4,527	$	0	$	2,141
Mezzanine – Bank (now in senior position)		11,383		8,263		3,120		0		0		11,383
Mezzanine – Bank		26,091		15,285		10,806		0		0		26,091
Mezzanine – Bank & Insurance (combination)		5,200		3,128		2,072		0		0		5,200
Totals	$	49,342	$	32,593	$	16,749	$	4,527	$	0	$	44,815

While a large difference remains between the fair value and amortized cost, the Company believes the remaining unrealized losses are related to the illiquid market for Trup Cdos rather than an adverse change in expected cash flows. The expected future cash flow substantiates the return of the remaining amortized cost of the security. The Company believes the following evidence supports the position that the remaining unrealized loss is related to the illiquid market for Trup Cdos:

• The market for new issuance of Trup Cdos was robust from 2000 to 2007 with an estimated $60 billion in new issuance. The new market issuances came to an abrupt halt in 2007.

• The secondary market for Trup Cdos ultimately became illiquid and although the market has improved, trading activity remains limited on these securities. In making this determination, the Company holds discussions with institutional traders to identify trends in the number and type of transactions related to the Trup Cdos.

• The presence of a below-investment grade rating severely limits the pool of available buyers and contributes to the illiquidity of the market.

• Trup Cdos have a more complex structure than most debt instruments, making projections of tranche returns difficult for non-specialists in the product. Deferral features available to the underlying issuers within each pool are unique to these securities. Additionally, it can be difficult for market participants to predict whether deferrals will ultimately cure or ultimately default. Due to the lack of transparency, market participants will require a higher risk premium, thus resulting in higher required discount rates.

• The variability of cash flows at the time the securities were originated was expected to be very limited. Due to the financial crisis, Trup Cdos have experienced more substantive variability of cash flows compared to expectations, resulting in a higher risk premium when evaluating discount rates.

• The limited, yet relevant, observable inputs indicate that market yield requirements for Trup Cdos, on a credit-adjusted basis, remained very high relative to discount rates at purchase and compared to other similarly rated debt securities.

Management also considered the ratings of the Company’s bonds in its portfolio and the extent of downgrades in United’s impairment analysis. However, management considered it imperative to independently perform its own credit analysis based on cash flows as described. The ratings of the investment grade Trup Cdos in the table above range from a low of AA to a high of Aaa. The below investment grade Trup Cdos range from a low of C to a high of Ba1.

On the Trup Cdos that have not been deemed to be other-than-temporarily impaired, the collateralization ratios range from a low of 98.4% to a high of 308.4%, with a median of 156.9%, and a weighted average of 211.5%. The collateralization ratio is defined as the current performing collateral in a security, divided by the current balance of the specific tranche the Company owns, plus any debt which is senior or pari passu with the Company’s security’s priority level. Performing collateral excludes the balance of any issuer that has either defaulted or has deferred its interest payment. It is not uncommon for the collateralization of a security that is not other-than-temporarily impaired to be less than 100% due to the excess spread built into the securitization structure.

Except for the debt securities that have already been deemed to be other-than-temporarily impaired, management does not believe any other individual security with an unrealized loss as of March 31, 2016 is other-than-temporarily impaired. For these securities, United believes the decline in value resulted from changes in market interest rates, credit spreads and liquidity, not a change in the expected contractual cash flows. Based on a review of each of the securities in the investment portfolio, management concluded that it expected to recover the amortized cost basis of the investment in such securities.

Equity securities

The amortized cost of United’s equity securities was $5,345 at March 31, 2016. For equity securities, management has evaluated the near-term prospects of the investment in relation to the severity and duration of any impairment and based on that evaluation, management determined that no equity securities were other-than-temporarily impaired at March 31, 2016.

Other investment securities (cost method)

During the first quarter of 2016, United also evaluated all of its cost method investments to determine if certain events or changes in circumstances during the first quarter of 2016 had a significant adverse effect on the fair value of any of its cost method securities. United determined that there were no events or changes in circumstances during the first quarter which would have an adverse effect on the fair value of any of its cost method securities. Therefore, no impairment was recorded.

Below is a progression of the credit losses on securities which United has recorded other-than-temporary charges. These charges were recorded through earnings and other comprehensive income.

	Three Months Ended March 31
	2016		2015
Balance of cumulative credit losses at beginning of period	$	23,773	$	23,739
Additions for credit losses recognized in earnings during the period:
Additional credit losses on securities for which OTTI was previously recognized		0		34
Reductions for securities sold or paid off during the period		0		0
Balance of cumulative credit losses at end of period	$	23,773	$	23,773

The amortized cost and estimated fair value of securities available for sale at March 31, 2016 and December 31, 2015 by contractual maturity are shown below. Expected maturities may differ from contractual maturities because the issuers may have the right to call or prepay obligations without penalties.

	March 31, 2016				December 31, 2015
			Estimated				Estimated
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
Due in one year or less	$	11,741	$	11,815	$	10,448	$	10,515
Due after one year through five years		268,067		272,458		273,469		274,158
Due after five years through ten years		214,787		223,693		213,274		216,636
Due after ten years		561,004		554,338		570,305		559,570
Marketable equity securities		5,345		5,948		4,844		5,455
Total	$	1,060,944	$	1,068,252	$	1,072,340	$	1,066,334

The amortized cost and estimated fair values of securities held-to-maturity are summarized as follows:

	March 31, 2016
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	10,381	$	849	$	0	$	11,230
State and political subdivisions		9,321		20		226		9,115
Residential mortgage-backed securities
Agency		34		7		0		41
Single issue trust preferred securities		19,302		0		4,141		15,161
Other corporate securities		20		0		0		20
Total	$	39,058	$	876	$	4,367	$	35,567
	December 31, 2015
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	10,425	$	860	$	0	$	11,285
State and political subdivisions		9,321		21		253		9,089
Residential mortgage-backed securities
Agency		35		6		0		41
Single issue trust preferred securities		19,298		0		3,414		15,884
Other corporate securities		20		0		0		20
Total	$	39,099	$	887	$	3,667	$	36,319

Even though the market value of the held-to-maturity investment portfolio is less than its cost, the unrealized loss has no impact on the net worth or regulatory capital requirements of United. As of March 31, 2016, the Company’s two largest held-to-maturity single-issue trust preferred exposures were to Wells Fargo ($9,917) and SunTrust Bank ($7,411). The two held-to-maturity single-issue trust preferred exposures with at least one rating below investment grade included SunTrust Bank ($7,411) and Royal Bank of Scotland ($975). Other corporate securities consist mainly of bonds of corporations.

There were no gross realized gains or losses on calls and sales of held to maturity securities included in earnings for the first quarter of 2016 and 2015.

The amortized cost and estimated fair value of debt securities held to maturity at March 31, 2016 and December 31, 2015 by contractual maturity are shown below. Expected maturities may differ from contractual maturities because the issuers may have the right to call or prepay obligations without penalties.

	March 31, 2016				December 31, 2015
	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value
Due in one year or less	$	5,009	$	5,042	$	5,029	$	5,121
Due after one year through five years		9,648		10,481		9,672		10,458
Due after five years through ten years		4,045		3,822		4,045		3,794
Due after ten years		20,356		16,222		20,353		16,946
Total	$	39,058	$	35,567	$	39,099	$	36,319

The carrying value of securities pledged to secure public deposits, securities sold under agreements to repurchase, and for other purposes as required or permitted by law, approximated $1,000,586 and $986,982 at March 31, 2016 and December 31, 2015, respectively.

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Loans

3 Months Ended

Mar. 31, 2016

Receivables [Abstract]

Loans

4. LOANS

Major classes of loans are as follows:

	March 31, 2016		December 31, 2015
Commercial, financial and agricultural:
Owner-occupied commercial real estate	$	918,334	$	927,746
Nonowner-occupied commercial real estate		2,944,573		2,896,367
Other commercial loans		1,572,060		1,602,222
Total commercial, financial & agricultural		5,434,967		5,426,335
Residential real estate		2,272,589		2,268,685
Construction & land development		1,222,119		1,273,054
Consumer:
Bankcard		12,038		11,653
Other consumer		451,487		419,225
Total gross loans	$	9,393,200	$	9,398,952

The table above does not include loans held for sale of $5,395 and $10,681 at March 31, 2016 and December 31, 2015, respectively. Loans held for sale consist of single-family residential real estate loans originated for sale in the secondary market.

The outstanding balances in the table above include acquired impaired loans with a recorded investment of $130,734 or 1.39% of total gross loans at March 31, 2016 and $148,197 or 1.58% of total gross loans at December 31, 2015. The contractual principal in these acquired impaired loans was $185,985 and $208,765 at March 31, 2016 and December 31, 2015, respectively. The balances above do not include future accretable net interest (i.e. the difference between the undiscounted expected cash flows and the recorded investment in the loan) on the acquired impaired loans.

Activity for the accretable yield for the first quarter of 2016 follows:

Accretable yield at the beginning of the period	$	12,156
Accretion (including cash recoveries)		(2,781	)
Net reclassifications to accretable from non-accretable		3,582
Disposals (including maturities, foreclosures, and charge-offs)		(705	)
Accretable yield at the end of the period	$	12,252

United’s subsidiary banks have made loans to the directors and officers of United and its subsidiaries, and to their affiliates. The aggregate dollar amount of these loans was $267,448 and $241,000 at March 31, 2016 and December 31, 2015, respectively.

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Credit Quality

3 Months Ended

Mar. 31, 2016

Text Block [Abstract]

Credit Quality

5. CREDIT QUALITY

Management monitors the credit quality of its loans on an ongoing basis. Measurement of delinquency and past due status are based on the contractual terms of each loan.

For all loan classes, past due loans are reviewed on a monthly basis to identify loans for nonaccrual status. Generally, when collection in full of the principal and interest is jeopardized, the loan is placed on nonaccrual status. The accrual of interest income on commercial and most consumer loans generally is discontinued when a loan becomes 90 to 120 days past due as to principal or interest. However, regardless of delinquency status, if a loan is fully secured and in the process of collection and resolution of collection is expected in the near term (generally less than 90 days), then the loan will not be placed on nonaccrual status. When interest accruals are discontinued, unpaid interest recognized in income in the current year is reversed, and unpaid interest accrued in prior years is charged to the allowance for loan losses. United’s method of income recognition for loans that are classified as nonaccrual is to recognize interest income on a cash basis or apply the cash receipt to principal when the ultimate collectibility of principal is in doubt. Nonaccrual loans will not normally be returned to accrual status unless all past due principal and interest has been paid and the borrower has evidenced their ability to meet the contractual provisions of the note.

A loan is categorized as a troubled debt restructuring (TDR) if a concession is granted and there is deterioration in the financial condition of the borrower. TDRs can take the form of a reduction of the stated interest rate, splitting a loan into separate loans with market terms on one loan and concessionary terms on the other loan, receipts of assets from a debtor in partial or full satisfaction of a loan, the extension of the maturity date or dates at a stated interest rate lower than the current market rate for new debt with similar risk, the reduction of the face amount or maturity amount of the debt as stated in the instrument or other agreement, the reduction of accrued interest or any other concessionary type of renegotiated debt. As of March 31, 2016, United had TDRs of $24,156 as compared to $23,890 as of December 31, 2015. Of the $24,156 aggregate balance of TDRs at March 31, 2016, $11,450 was on nonaccrual status and included in the “Loans on Nonaccrual Status” on the following page. Of the $23,890 aggregate balance of TDRs at December 31, 2015, $11,949 was on nonaccrual status and included in the “Loans on Nonaccrual Status” on the following page. As of March 31, 2016, there were no commitments to lend additional funds to debtors owing receivables whose terms have been modified in TDRs. At March 31, 2016, United had restructured loans in the amount of $2,747 that were modified by a reduction in the interest rate, $8,776 that were modified by a combination of a reduction in the interest rate and the principal and $12,633 that was modified by a change in terms.

A loan acquired and accounted for under ASC topic 310-30 “Loans and Debt Securities Acquired with Deteriorated Credit Quality” is reported as an accruing loan and a performing asset.

The following table sets forth United’s troubled debt restructurings that were restructured during the three months ended March 31, 2016 and 2015, segregated by class of loans.

	Troubled Debt Restructurings
	For the Three Months Ended
	March 31, 2016						March 31, 2015
	Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment
Commercial real estate:
Owner-occupied		0	$	0	$	0		0	$	0	$	0
Nonowner-occupied		0		0		0		0		0		0
Other commercial		3		1,441		1,438		1		240		240
Residential real estate		1		1,400		1,400		0		0		0
Construction & land development		0		0		0		0		0		0
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		0		0		0		0		0		0
Total		4	$	2,841	$	2,838		1	$	240	$	240

During the first quarter of 2016, $1,438 of restructured loans were modified by a change in terms and $1,400 were modified by a combination of a reduction in the interest rate and the principal. During the first quarter of 2015, $240 of restructured loans were modified by a change in terms. In some instances, the post-modification balance on the restructured loans is larger than the pre-modification balance due to the advancement of monies for items such as delinquent taxes on real estate property. The loans were evaluated individually for allocation within United’s allowance for loan losses. The modifications had an immaterial impact on the financial condition and results of operations for United.

No loans restructured during the twelve-month periods ended March 31, 2016 and 2015 subsequently defaulted, resulting in a principal charge-off during the first quarters of 2016 and 2015, respectively.

The following table sets forth United’s age analysis of its past due loans, segregated by class of loans:

Age Analysis of Past Due Loans

As of March 31, 2016

	30-89 Days Past Due		90 Days or more Past Due		Total Past Due		Current & Other (1)		Total Financing Receivables		Recorded Investment >90 Days & Accruing
Commercial real estate:
Owner-occupied	$	9,144	$	8,851	$	17,995	$	900,339	$	918,334	$	39
Nonowner-occupied		11,872		20,252		32,124		2,912,449		2,944,573		1,530
Other commercial		19,216		43,819		63,035		1,509,025		1,572,060		361
Residential real estate		45,049		22,899		67,948		2,204,641		2,272,589		4,565
Construction & land development		4,537		15,000		19,537		1,202,582		1,222,119		178
Consumer:
Bankcard		274		170		444		11,594		12,038		170
Other consumer		7,246		1,251		8,497		442,990		451,487		1,048
Total	$	97,338	$	112,242	$	209,580	$	9,183,620	$	9,393,200	$	7,891

(1) Other includes loans with a recorded investment of $130,734 acquired and accounted for under ASC topic 310-30 “Loans and Debt Securities Acquired with Deteriorated Credit Quality”.

Age Analysis of Past Due Loans

As of December 31, 2015

	30-89 Days Past Due		90 Days or more Past Due		Total Past Due		Current & Other (1)		Total Financing Receivables		Recorded Investment >90 Days & Accruing
Commercial real estate:
Owner-occupied	$	8,639	$	9,831	$	18,470	$	909,276	$	927,746	$	400
Nonowner-occupied		24,209		26,126		50,335		2,846,032		2,896,367		552
Other commercial		14,888		33,297		48,185		1,554,037		1,602,222		3,643
Residential real estate		44,312		28,332		72,644		2,196,041		2,268,685		4,294
Construction & land development		2,412		15,416		17,828		1,255,226		1,273,054		1,347
Consumer:
Bankcard		223		168		391		11,262		11,653		168
Other consumer		9,082		1,596		10,678		408,547		419,225		1,224
Total	$	103,765	$	114,766	$	218,531	$	9,180,421	$	9,398,952	$	11,628

(1) Other includes loans with a recorded investment of $148,197 acquired and accounted for under ASC topic 310-30 “Loans and Debt Securities Acquired with Deteriorated Credit Quality”.

The following table sets forth United’s nonaccrual loans, segregated by class of loans:

Loans on Nonaccrual Status

	March 31, 2016		December 31, 2015
Commercial real estate:
Owner-occupied	$	8,812	$	9,431
Nonowner-occupied		18,722		25,574
Other commercial		43,458		29,654
Residential real estate		18,334		24,038
Construction & land development		14,822		14,069
Consumer:
Bankcard		0		0
Other consumer		203		372
Total	$	104,351	$	103,138

United assigns credit quality indicators of pass, special mention, substandard and doubtful to its loans. For United’s loans with a corporate credit exposure, United internally assigns a grade based on the creditworthiness of the borrower. For loans with a consumer credit exposure, United internally assigns a grade based upon an individual loan’s delinquency status. United reviews and updates, as necessary, these grades on a quarterly basis.

Special mention loans, with a corporate credit exposure, have potential weaknesses that deserve management’s close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the loans or in the Company’s credit position at some future date. Borrowers may be experiencing adverse operating trends (declining revenues or margins) or an ill proportioned balance sheet (e.g., increasing inventory without an increase in sales, high leverage, tight liquidity). Adverse economic or market conditions, such as interest rate increases or the entry of a new competitor, may also support a special mention rating. Nonfinancial reasons for rating a credit exposure special mention include management problems, pending litigation, an ineffective loan agreement or other material structural weakness, and any other significant deviation from prudent lending practices. For loans with a consumer credit exposure, loans that are past due 30-89 days are considered special mention.

A substandard loan with a corporate credit exposure is inadequately protected by the current sound worth and paying capacity of the obligor or of the collateral pledged, if any. Loans so classified have a well-defined weakness, or weaknesses, that jeopardize the liquidation of the debt by the borrower. They are characterized by the distinct possibility that the Company will sustain some loss if the deficiencies are not corrected. They require more intensive supervision by management. Substandard loans are generally characterized by current or expected unprofitable operations, inadequate debt service coverage, inadequate liquidity, or marginal capitalization. Repayment may depend on collateral or other credit risk mitigants. For some substandard loans, the likelihood of full collection of interest and principal may be in doubt and thus, placed on nonaccrual. For loans with a consumer credit exposure, loans that are 90 days or more past due or that have been placed on nonaccrual are considered substandard.

A loan with corporate credit exposure is classified as doubtful if it has all the weaknesses inherent in one classified as substandard with the added characteristic that the weaknesses make collection in full, on the basis of currently existing facts, conditions, and values, highly questionable and improbable. A doubtful loan has a high probability of total or substantial loss, but because of specific pending events that may strengthen the loan, its classification as loss is deferred. Doubtful borrowers are usually in default, lack adequate liquidity or capital, and lack the resources necessary to remain an operating entity. Pending events can include mergers, acquisitions, liquidations, capital injections, the perfection of liens on additional collateral, the valuation of collateral, and refinancing. Generally, there are not any loans with a consumer credit exposure that are classified as doubtful. Usually, they are charged-off prior to such a classification. Loans classified as doubtful are also considered impaired.

The following tables set forth United’s credit quality indicators information, by class of loans:

Credit Quality Indicators

Corporate Credit Exposure

As of March 31, 2016
	Commercial Real Estate				Other Commercial		Construction & Land Development
	Owner- occupied		Nonowner- occupied
Grade:
Pass	$	831,867	$	2,785,394	$	1,412,459	$	1,053,524
Special mention		21,056		29,385		28,849		57,897
Substandard		65,411		129,794		129,287		110,152
Doubtful		0		0		1,465		546
Total	$	918,334	$	2,944,573	$	1,572,060	$	1,222,119
As of December 31, 2015
	Commercial Real Estate				Other Commercial		Construction & Land Development
	Owner- occupied		Nonowner- occupied
Grade:
Pass	$	835,082	$	2,710,504	$	1,436,670	$	1,095,238
Special mention		20,391		32,249		26,148		59,100
Substandard		72,273		153,614		136,585		118,716
Doubtful		0		0		2,819		0
Total	$	927,746	$	2,896,367	$	1,602,222	$	1,273,054

Credit Quality Indicators

Consumer Credit Exposure

As of March 31, 2016
	Residential Real Estate		Bankcard		Other Consumer
Grade:
Pass	$	2,203,207	$	11,594	$	442,714
Special mention		16,881		274		7,356
Substandard		52,056		170		1,379
Doubtful		445		0		38
Total	$	2,272,589	$	12,038	$	451,487

As of December 31, 2015
	Residential Real Estate		Bankcard		Other Consumer
Grade:
Pass	$	2,195,420	$	11,262	$	408,271
Special mention		13,494		223		9,188
Substandard		57,981		168		1,766
Doubtful		1,790		0		0
Total	$	2,268,685	$	11,653	$	419,225

Loans are designated as impaired when, in the opinion of management, based on current information and events, the collection of principal and interest in accordance with the loan contract is doubtful. Typically, United does not consider loans for impairment unless a sustained period of delinquency (i.e. 90 days or more) is noted or there are subsequent events that impact repayment probability (i.e. negative financial trends, bankruptcy filings, eminent foreclosure proceedings, etc.). Impairment is evaluated in total for smaller-balance loans of a similar nature and on an individual loan basis for other loans. Consistent with United’s existing method of income recognition for loans, interest on impaired loans, except those classified as nonaccrual, is recognized as income using the accrual method. Impaired loans, or portions thereof, are charged off when deemed uncollectible.

The following table sets forth United’s impaired loans information, by class of loans:

	Impaired Loans
	March 31, 2016						December 31, 2015
	Recorded Investment		Unpaid Principal Balance		Related Allowance		Recorded Investment		Unpaid Principal Balance		Related Allowance
With no related allowance recorded:
Commercial real estate:
Owner-occupied	$	27,976	$	28,508	$	0	$	36,615	$	36,828	$	0
Nonowner-occupied		65,019		65,469		0		69,053		69,517		0
Other commercial		28,977		30,870		0		30,433		32,158		0
Residential real estate		28,315		29,902		0		21,431		22,329		0
Construction & land development		23,785		25,844		0		28,245		29,953		0
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		27		27		0		32		32		0
With an allowance recorded:
Commercial real estate:
Owner-occupied	$	4,189	$	4,189	$	1,505	$	4,555	$	4,555	$	1,253
Nonowner-occupied		6,431		6,431		1,293		7,890		7,890		1,362
Other commercial		39,682		44,623		20,638		29,486		33,127		18,269
Residential real estate		12,313		13,048		2,324		13,305		14,625		2,118
Construction & land development		12,565		18,217		4,721		14,132		20,135		4,789
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		0		0		0		0		0		0
Total:
Commercial real estate:
Owner-occupied	$	32,165	$	32,697	$	1,505	$	41,170	$	41,383	$	1,253
Nonowner-occupied		71,450		71,900		1,293		76,943		77,407		1,362
Other commercial		68,659		75,493		20,638		59,919		65,285		18,269
Residential real estate		40,628		42,950		2,324		34,736		36,954		2,118
Construction & land development		36,350		44,061		4,721		42,377		50,088		4,789
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		27		27		0		32		32		0

	Impaired Loans
	For the Three Months Ended
	March 31, 2016				March 31, 2015
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
With no related allowance recorded:
Commercial real estate:
Owner-occupied	$	32,295	$	59	$	40,843	$	62
Nonowner-occupied		67,036		207		55,463		163
Other commercial		29,705		100		37,081		100
Residential real estate		24,873		140		30,814		49
Construction & land development		26,015		27		52,445		79
Consumer:
Bankcard		0		0		0		0
Other consumer		29		0		40		0
With an allowance recorded:
Commercial real estate:
Owner-occupied	$	4,372	$	27	$	4,988	$	38
Nonowner-occupied		7,160		43		6,981		39
Other commercial		34,583		130		18,695		64
Residential real estate		12,809		6		6,359		11
Construction & land development		13,349		42		10,287		35
Consumer:
Bankcard		0		0		0		0
Other consumer		0		0		0		0
Total:
Commercial real estate:
Owner-occupied	$	36,667	$	86	$	45,831	$	100
Nonowner-occupied		74,196		250		62,444		202
Other commercial		64,288		230		55,776		164
Residential real estate		37,682		146		37,173		60
Construction & land development		39,364		69		62,732		114
Consumer:
Bankcard		0		0		0		0
Other consumer		29		0		40		0

At March 31, 2016 and December 31, 2015, other real estate owned (OREO) included in other assets in the Consolidated Balance Sheets was $28,981 and $32,228, respectively. OREO consists of real estate acquired in foreclosure or other settlement of loans. Such assets are carried at the lower of the investment in the assets or the fair value of the assets less estimated selling costs. Any adjustment to the fair value at the date of transfer is charged against the allowance for loan losses. Any subsequent valuation adjustments as well as any costs relating to operating, holding or disposing of the property are recorded in other expense in the period incurred. At March 31, 2016 and December 31, 2015, the recorded investment of consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings are in process was $1,542 and $234, respectively.

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Allowance for Credit Losses

3 Months Ended

Mar. 31, 2016

Receivables [Abstract]

Allowance for Credit Losses

6. ALLOWANCE FOR CREDIT LOSSES

The allowance for loan losses is management’s estimate of the probable credit losses inherent in the loan portfolio. Management’s evaluation of the adequacy of the allowance for loan losses and the appropriate provision for credit losses is based upon a quarterly evaluation of the portfolio. This evaluation is inherently subjective and requires significant estimates, including the amounts and timing of estimated future cash flows, estimated losses on pools of loans based on historical loss experience, and consideration of current economic trends, all of which are susceptible to constant and significant change. The amounts allocated to specific credits and loan pools grouped by similar risk characteristics are reviewed on a quarterly basis and adjusted as necessary based upon subsequent changes in circumstances. In determining the components of the allowance for credit losses, management considers the risk arising in part from, but not limited to, charge-off and delinquency trends, current economic and business conditions, lending policies and procedures, the size and risk characteristics of the loan portfolio, concentrations of credit, and other various factors. Loans deemed to be uncollectible are charged against the allowance for loan losses, while recoveries of previously charged-off amounts are credited to the allowance for loan losses.

For purposes of determining the general allowance, the loan portfolio is segregated by loan product type to recognize differing risk profiles among loan categories. It is further segregated by credit grade for risk-rated loan pools and delinquency for homogeneous loan pools. The outstanding principal balance within each pool is multiplied by historical loss data and certain qualitative factors to derive the general loss allocation per pool. Specific loss allocations are calculated for loans in excess of $500 thousand in accordance with ASC topic 310. Risk characteristics of owner-occupied commercial real estate loans and other commercial loans are similar in that they are normally dependent upon the borrower’s internal cash flow from operations to service debt. Nonowner-occupied commercial real estate loans differ in that cash flow to service debt is normally dependent on external income from third parties for use of the real estate such as rents, leases and room rates. Residential real estate loans are dependent upon individual borrowers who are affected by changes in general economic conditions, demand for housing and resulting residential real estate valuation. Construction and land development loans are impacted mainly by demand whether for new residential housing or for retail, industrial, office and other types of commercial construction within a given area. Consumer loan pool risk characteristics are influenced by general, regional and local economic conditions. During the first quarter of 2016, there were no material changes to the accounting policy or methodology related to the allowance for loan losses.

Loans deemed to be uncollectible are charged against the allowance for loan losses, while recoveries of previously charged-off amounts are credited to the allowance for loan losses. For commercial loans, when a loan or a portion of a loan is identified to contain a loss, a charge-off recommendation is directed to management to charge-off all or a portion of that loan. Generally, any unsecured commercial loan more than six months delinquent in payment of interest must be charged-off in full. If secured, the charge-off is generally made to reduce the loan balance to a level equal to the liquidation value of the collateral when payment of principal and interest is six months delinquent. Any commercial loan, secured or unsecured, on which a principal or interest payment has not been made within 90 days, is reviewed monthly for appropriate action.

For consumer loans, closed-end retail loans that are past due 120 cumulative days delinquent from the contractual due date and open-end loans 180 cumulative days delinquent from the contractual due date are charged-off. Any consumer loan on which a principal or interest payment has not been made within 90 days is reviewed monthly for appropriate action. For a one-to-four family open-end or closed-end residential real estate loan, home equity loan, or high-loan-to-value loan that has reached 180 or more days past due, management evaluates the collateral position and charge-offs any amount that exceeds the value of the collateral. On retail credits for which the borrower is in bankruptcy, all amounts deemed unrecoverable are charged off within 60 days of the receipt of the notification. On retail credits effected by fraud, a loan is charged-off within 90 days of the discovery of the fraud. In the event of the borrower’s death and if repayment within the required timeframe is uncertain, the loan is generally charged-off as soon as the amount of the loss is determined.

For loans acquired through the completion of a transfer, including loans acquired in a business combination, that have evidence of deterioration of credit quality since origination and for which it is probable, at acquisition, that United will be unable to collect all contractually required payment receivable are initially recorded at fair value (as determined by the present value of expected future cash flows) with no valuation allowance. The difference between the undiscounted cash flows expected at acquisition and the investment in the loan, or the “accretable yield,” is recognized as interest income on a level-yield method over the life of the loan. Contractually required payments for interest and principal that exceed the undiscounted cash flows expected at acquisition, or the “nonaccretable difference,” are not recognized as a yield adjustment or as a loss accrual or a valuation allowance. Increases in expected cash flows subsequent to the initial investment are recognized prospectively through adjustment of the yield on the loan over its remaining life. Decreases in expected cash flows are recognized as impairment. Valuation allowances on these impaired loans reflect only losses incurred after the acquisition (meaning the present value of all cash flows expected at acquisition that ultimately are not to be received). For the three months ended March 31, 2016, the re-estimation of the expected cash flows related to loans acquired that have evidence of deterioration of credit quality resulted in negative provision for loan losses expense of $437 as compared to provision for loan losses expense of $3,364 for the three months ended March 31, 2015.

United maintains an allowance for loan losses and a reserve for lending-related commitments such as unfunded loan commitments and letters of credit. The reserve for lending-related commitments of $1,193 and $936 at March 31, 2016 and December 31, 2015, respectively, is separately classified on the balance sheet and is included in other liabilities. The combined allowance for loan losses and reserve for lending-related commitments are referred to as the allowance for credit losses.

A progression of the allowance for loan losses, by loan portfolio segment, for the three months ended March 31, 2016 and year ended December 31, 2015 are summarized as follows:

Allowance for Loan Losses and Carrying Amount of Loans

For the Three Months Ended March 31, 2016

	Commercial Real Estate						Other Commercial			Residential Real Estate			Construction & Land Development			Consumer			Allowance for Estimated Imprecision			Total
	Owner- occupied			Nonowner- occupied
Allowance for Loan Losses:
Beginning balance	$	3,637		$	5,309		$	31,328		$	15,148		$	18,205		$	1,995		$	104		$	75,726
Charge-offs		(1,345	)		(363	)		(3,754	)		(709	)		(0	)		(775	)		(0	)		(6,946	)
Recoveries		781			504			980			211			59			140			0			2,675
Provision		2,275			751			4,086			(1,103	)		(2,998	)		913			111			4,035
Ending balance	$	5,348		$	6,201		$	32,640		$	13,547		$	15,266		$	2,273		$	215		$	75,490
Ending Balance: individually evaluated for impairment	$	1,505		$	1,293		$	20,638		$	2,325		$	4,722		$	0		$	0		$	30,483
Ending Balance: collectively evaluated for impairment	$	3,843		$	4,908		$	12,002		$	11,222		$	10,544		$	2,273		$	215		$	45,007
Ending Balance: loans acquired with deteriorated credit quality	$	0		$	0		$	0		$	0		$	0		$	0		$	0		$	0
Financing receivables:
Ending balance	$	918,334		$	2,944,573		$	1,572,060		$	2,272,589		$	1,222,119		$	463,525		$	0		$	9,393,200
Ending Balance: individually evaluated for impairment	$	11,796		$	20,744		$	45,253		$	14,603		$	15,456		$	0		$	0		$	107,852
Ending Balance: collectively evaluated for impairment	$	888,869		$	2,872,875		$	1,505,804		$	2,245,904		$	1,177,673		$	463,489		$	0		$	9,154,614
Ending Balance: loans acquired with deteriorated credit quality	$	17,669		$	50,954		$	21,003		$	12,082		$	28,990		$	36		$	0		$	130,734

Allowance for Loan Losses and Carrying Amount of Loans

For the Year Ended December 31, 2015

	Commercial Real Estate						Other Commercial			Residential Real Estate			Construction & Land Development			Consumer			Allowance for Estimated Imprecision			Total
	Owner- occupied			Nonowner- occupied
Allowance for Loan Losses:
Beginning balance	$	4,041		$	8,167		$	26,931		$	13,835		$	19,402		$	3,083		$	70		$	75,529
Charge-offs		(4,755	)		(1,120	)		(10,042	)		(6,411	)		(862	)		(2,309	)		(0	)		(25,499	)
Recoveries		829			74			714			495			511			499			0			3,122
Provision		3,522			(1,812	)		13,725			7,229			(846	)		722			34			22,574
Ending balance	$	3,637		$	5,309		$	31,328		$	15,148		$	18,205		$	1,995		$	104		$	75,726
Ending Balance: individually evaluated for impairment	$	1,253		$	1,362		$	18,269		$	2,119		$	4,789		$	0		$	0		$	27,792
Ending Balance: collectively evaluated for impairment	$	2,384		$	3,947		$	13,059		$	13,029		$	13,416		$	1,995		$	104		$	47,934
Ending Balance: loans acquired with deteriorated credit quality	$	0		$	0		$	0		$	0		$	0		$	0		$	0		$	0
Financing receivables:
Ending balance	$	927,746		$	2,896,367		$	1,602,222		$	2,268,685		$	1,273,054		$	430,878		$	0		$	9,398,952
Ending Balance: individually evaluated for impairment	$	12,670		$	26,152		$	35,342		$	17,782		$	15,779		$	0		$	0		$	107,725
Ending Balance: collectively evaluated for impairment	$	888,802		$	2,817,748		$	1,546,018		$	2,237,865		$	1,221,760		$	430,837		$	0		$	9,143,030
Ending Balance: loans acquired with deteriorated credit quality	$	26,274		$	52,467		$	20,862		$	13,038		$	35,515		$	41		$	0		$	148,197

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Intangible Assets

3 Months Ended

Mar. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

7. INTANGIBLE ASSETS

The following is a summary of intangible assets subject to amortization and those not subject to amortization:

	As of March 31, 2016
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Amortized intangible assets:
Core deposit intangible assets	$	60,577	($	43,482	)	$	17,095
Goodwill not subject to amortization						$	710,252
	As of December 31, 2015
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Amortized intangible assets:
Core deposit intangible assets	$	60,577	($	42,737	)	$	17,840
Goodwill not subject to amortization						$	710,252

United incurred amortization expense of $745 and $855 for the quarters ended March 31, 2016 and 2015, respectively.

The following table sets forth the anticipated amortization expense for intangible assets for the years subsequent to 2015:

Year	Amount
2016	$	2,981
2017		2,767
2018		2,574
2019		2,476
2020 and thereafter		7,042

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Short-Term Borrowings

3 Months Ended

Mar. 31, 2016

Debt Disclosure [Abstract]

Short-Term Borrowings

8. SHORT-TERM BORROWINGS

Federal funds purchased and securities sold under agreements to repurchase are a significant source of funds for the Company. United has various unused lines of credit available from certain of its correspondent banks in the aggregate amount of $264,000. These lines of credit, which bear interest at prevailing market rates, permit United to borrow funds in the overnight market, and are renewable annually subject to certain conditions. At March 31, 2016, federal funds purchased were $27,100 while total securities sold under agreements to repurchase (REPOs) were $315,475. Included in the $315,475 of total REPOs is a wholesale REPOs of $50,493, including purchase accounting amounts, assumed in the Virginia Commerce merger. This wholesale REPO is scheduled to mature in May of 2018. The securities sold under agreements to repurchase were accounted for as collateralized financial transactions. They were recorded at the amounts at which the securities were acquired or sold plus accrued interest.

United has a $20,000 line of credit with an unrelated financial institution to provide for general liquidity needs. The line is an unsecured, revolving line of credit. The line will be renewable on a 360-day basis and will carry an indexed, floating-rate of interest. The line requires compliance with various financial and nonfinancial covenants. At March 31, 2016, United had no outstanding balance under this line of credit.

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Long-Term Borrowings

3 Months Ended

Mar. 31, 2016

Debt Disclosure [Abstract]

Long-Term Borrowings

9. LONG-TERM BORROWINGS

United’s subsidiary banks are members of the Federal Home Loan Bank (FHLB). Membership in the FHLB makes available short-term and long-term borrowings from collateralized advances. All FHLB borrowings are collateralized by a mix of single-family residential mortgage loans, commercial loans and investment securities. At March 31, 2016, United had an unused borrowing amount of approximately $2,368,741 available subject to delivery of collateral after certain trigger points. Advances may be called by the FHLB or redeemed by United based on predefined factors and penalties.

At March 31, 2016, $885,855 of FHLB advances with a weighted-average interest rate of 0.52% are scheduled to mature within the next five years. Overnight funds of $125,000 with an interest rate of 0.44% are included in the $885,855 above at March 31, 2016. The scheduled maturities of these FHLB borrowings are as follows:

Year	Amount
2016	$	850,599
2017		256
2018		0
2019		35,000
2020 and thereafter		0
Total	$	885,855

At March 31, 2016, United had a total of thirteen statutory business trusts that were formed for the purpose of issuing or participating in pools of trust preferred capital securities (Capital Securities) with the proceeds invested in junior subordinated debt securities (Debentures) of United. The Debentures, which are subordinate and junior in right of payment to all present and future senior indebtedness and certain other financial obligations of United, are the sole assets of the trusts and United’s payment under the Debentures is the sole source of revenue for the trusts. At March 31, 2016 and December 31, 2015, the outstanding balance of the Debentures was $223,723 and $223,506, respectively, and was included in the category of long-term debt on the Consolidated Balance Sheets entitled “Other long-term borrowings.” The Capital Securities are not included as a component of shareholders’ equity in the Consolidated Balance Sheets. United fully and unconditionally guarantees each individual trust’s obligations under the Capital Securities.

Under the provisions of the subordinated debt, United has the right to defer payment of interest on the subordinated debt at any time, or from time to time, for periods not exceeding five years. If interest payments on the subordinated debt are deferred, the dividends on the Capital Securities are also deferred. Interest on the subordinated debt is cumulative.

In July of 2013, United’s primary federal regulator, the Federal Reserve, published final rules (the “Basel III Capital Rules”) establishing a new comprehensive capital framework for U.S. banking organizations which were effective for United on January 1, 2015. The Basel III Capital Rules permit bank holding companies such as United with less than $15 billion in total consolidated assets as of December 31, 2009 to include in additional Tier 1 Capital trust preferred securities and cumulative perpetual preferred stock issued and included in Tier 1 Capital prior to May 19, 2010 on a permanent basis, without any phase-out. However, United’s Trust Preferred Securities are subject to a limit of 25 percent of Tier 1 capital elements excluding any non-qualifying capital instruments and after all regulatory capital deductions and adjustments applied to Tier 1 capital. Trust Preferred Securities no longer included in United’s Tier 1 capital may be included as a component of Tier 2 capital on a permanent basis without phase-out. As of March 31, 2016, all of United’s Trust Preferred Securities qualify as Tier 1 Capital.

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Commitments and Contingent Liabilities

3 Months Ended

Mar. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingent Liabilities

10. COMMITMENTS AND CONTINGENT LIABILITIES

United is a party to financial instruments with off-balance-sheet risk in the normal course of business to meet the financing needs of its customers and to alter its own exposure to fluctuations in interest rates. These financial instruments include loan commitments, standby letters of credit, and interest rate swap agreements. The instruments involve, to varying degrees, elements of credit and interest rate risk in excess of the amount recognized in the financial statements.

United’s maximum exposure to credit loss in the event of nonperformance by the counterparty to the financial instrument for the loan commitments and standby letters of credit is the contractual or notional amount of those instruments. United uses the same policies in making commitments and conditional obligations as it does for on-balance sheet instruments. Collateral may be obtained, if deemed necessary, based on management’s credit evaluation of the counterparty.

Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the commitment contract. Commitments generally have fixed expiration dates or other termination clauses and may require the payment of a fee. Since many of the commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily, and historically do not, represent future cash requirements. The amount of collateral obtained, if deemed necessary upon the extension of credit, is based on management’s credit evaluation of the counterparty. United had approximately $2,550,476 and $2,587,957 of loan commitments outstanding as of March 31, 2016 and December 31, 2015, respectively, approximately half of which expire within one year.

Commercial and standby letters of credit are agreements used by United’s customers as a means of improving their credit standing in their dealings with others. Under these agreements, United guarantees certain financial commitments of its customers. A commercial letter of credit is issued specifically to facilitate trade or commerce. Typically, under the terms of a commercial letter of credit, a commitment is drawn upon when the underlying transaction is consummated as intended between the customer and a third party. As of March 31, 2016 and December 31, 2015, United had $226 of outstanding commercial letters of credit. A standby letter of credit is generally contingent upon the failure of a customer to perform according to the terms of an underlying contract with a third party. United has issued standby letters of credit of $124,936 and $135,146 as of March 31, 2016 and December 31, 2015, respectively. In accordance with the Contingencies Topic of the FASB Accounting Standards Codification, United has determined that substantially all of its letters of credit are renewed on an annual basis and the fees associated with these letters of credit are immaterial.

United and its subsidiaries are currently involved in various legal proceedings in the normal course of business. Management is vigorously pursuing all its legal and factual defenses and, after consultation with legal counsel, believes that all such litigation will be resolved with no material effect on United’s financial position.

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Derivative Financial Instruments

3 Months Ended

Mar. 31, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

11. DERIVATIVE FINANCIAL INSTRUMENTS

United uses derivative instruments to help manage adverse prices or interest rate movements on the value of certain assets or liabilities and on future cash flows. These derivatives may consist of interest rate swaps, caps, floors, collars, futures, forward contracts, written and purchased options. United also executes derivative instruments with its commercial banking customers to facilitate its risk management strategies.

United accounts for its derivative financial instruments in accordance with the Derivatives and Hedging topic of the FASB Accounting Standards Codification. The Derivatives and Hedging topic require all derivative instruments to be carried at fair value on the balance sheet. United has designated certain derivative instruments used to manage interest rate risk as hedge relationships with certain assets, liabilities or cash flows being hedged. Certain derivatives used for interest rate risk management are not designated in a hedge relationship.

Derivative instruments designated in a hedge relationship to mitigate 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. Derivative instruments designated in a hedge relationship to mitigate exposure to variability in expected future cash flows, or other types of forecasted transactions, are considered cash flow hedges. As of March 31, 2016, United has only fair value hedges.

For a fair value hedge, the fair value of the interest rate swap is recognized on the balance sheet as either a freestanding asset or liability with a corresponding adjustment to the hedged financial instrument. Subsequent adjustments due to changes in the fair value of a derivative that qualifies as a fair value hedge are offset in current period earnings. For a cash flow hedge, the fair value of the interest rate swap is recognized on the balance sheet as either a freestanding asset or liability with a corresponding adjustment to other comprehensive income within shareholders’ equity, net of tax. Subsequent adjustments due to changes in the fair value of a derivative that qualifies as a cash flow hedge are offset to other comprehensive income, net of tax. The portion of a hedge that is ineffective is recognized immediately in earnings.

At inception of a hedge relationship, United formally documents the hedged item, the particular risk management objective, the nature of the risk being hedged, the derivative being used, how effectiveness of the hedge will be assessed and how the ineffectiveness of the hedge will be measured. United also assesses hedge effectiveness at inception and on an ongoing basis using regression analysis. Hedge ineffectiveness is measured by using the change in fair value method. The change in fair value method compares the change in the fair value of the hedging derivative to the change in the fair value of the hedged exposure, attributable to changes in the benchmark rate. The portion of a hedge that is ineffective is recognized immediately in earnings.

The derivative portfolio also includes derivative financial instruments not included in hedge relationships. These derivatives consist of interest rate swaps used for interest rate management purposes and derivatives executed with commercial banking customers to facilitate their interest rate management strategies. For derivatives that are not designated in a hedge relationship, changes in the fair value of the derivatives are recognized in earnings in the same period as the change in fair value. Gains and losses on other derivative financial instruments are included in noninterest income and noninterest expense, respectively.

The following table sets forth certain information regarding the interest rate derivatives portfolio used for interest-rate risk management purposes and designated as accounting hedges under the Derivatives and Hedging topic at March 31, 2016.

Derivative Classifications and Hedging Relationships March 31, 2016
	Notional Amount		Average Pay Rate
Fair Value Hedges:
Pay Fixed Swaps (Hedging Commercial Loans)	$	96,830		3.64	%
Total Derivatives Used in Fair Value Hedges	$	96,830
Total Derivatives Used for Interest Rate Risk Management and Designated as Hedges	$	96,930

The following tables summarize the fair value of United’s derivative financial instruments.

	Asset Derivatives
	March 31, 2016				December 31, 2015
	Balance Sheet Location		Fair Value		Balance Sheet Location		Fair Value
Derivatives designated as hedging instruments
Interest rate contracts		Other assets	$	0		Other assets	$	0
Total derivatives designated as hedging instruments			$	0			$	0
Derivatives not designated as hedging instruments
Interest rate contracts		Other assets	$	3,164		Other assets	$	2,942
Total derivatives not designated as hedging instruments			$	3,164			$	2,942
Total asset derivatives			$	3,164			$	2,942
	Liability Derivatives
	March 31, 2016				December 31, 2015
	Balance Sheet Location		Fair Value		Balance Sheet Location		Fair Value
Derivatives designated as hedging instruments
Interest rate contracts		Other liabilities	$	4,807		Other liabilities	$	1,179
Total derivatives designated as hedging instruments			$	4,807			$	1,179
Derivatives not designated as hedging instruments
Interest rate contracts		Other liabilities	$	3,164		Other liabilities	$	2,942
Total derivatives not designated as hedging instruments			$	3,164			$	2,942
Total liability derivatives			$	7,971			$	4,121

Derivative contracts involve the risk of dealing with both bank customers and institutional derivative counterparties and their ability to meet contractual terms. Credit risk arises from the possible inability of counterparties to meet the terms of their contracts. United’s exposure is limited to the replacement value of the contracts rather than the notional amount of the contract. The Company’s agreements generally contain provisions that limit the unsecured exposure up to an agreed upon threshold. Additionally, the Company attempts to minimize credit risk through certain approval processes established by management.

The effect of United’s derivative financial instruments on it Consolidated Statement of Income for the first three months ended March 31, 2016 and 2015 is presented below:

				Three Months Ended
	Income  Statement Location			March 31, 2016		March 31, 2015
Derivatives in fair value hedging relationships
Interest rate contracts		Interest income/	(expense)	$	281	$	(424	)
Total derivatives in fair value hedging relationships				$	281	$	(424	)
Derivatives not designated as hedging instruments
Interest rate contracts (1)		Other income		$	0	$	0
Total derivatives not designated as hedging instruments				$	0	$	0
Total derivatives				$	281	$	(424	)

(1) Represents net gains and net losses from derivative assets not designated as hedging instruments.

For the first three months ended March 31, 2016 and 2015, changes in the fair value of any interest rate swaps attributed to hedge ineffectiveness were recorded, but were not significant to United’s Consolidated Statements of Income.

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Fair Value Measurements

3 Months Ended

Mar. 31, 2016

Fair Value Disclosures [Abstract]

Fair Value Measurements

12. FAIR VALUE MEASUREMENTS

United determines the fair values of its financial instruments based on the fair value hierarchy established by ASC topic 820, which also clarifies that fair value of certain assets and liabilities is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants.

The Fair Value Measurements and Disclosures topic specifies a hierarchy of valuation techniques based on whether the inputs to those valuation techniques are observable or unobservable. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect United’s market assumptions.

The three levels of the fair value hierarchy, based on these two types of inputs, are as follows:

Level 1	-	Valuation is based on quoted prices in active markets for identical assets and liabilities.
Level 2	-	Valuation is based on observable inputs including quoted prices in active markets for similar assets and liabilities, quoted prices for identical or similar assets and liabilities in less active markets, and model-based valuation techniques for which significant assumptions can be derived primarily from or corroborated by observable data in the market.
Level 3	-	Valuation is based on model-based techniques that use one or more significant inputs or assumptions that are unobservable in the market.

When determining the fair value measurements for assets and liabilities, United looks to active and observable markets to price identical assets or liabilities whenever possible and classifies such items in Level 1. When identical assets and liabilities are not traded in active markets, United looks to market observable data for similar assets and liabilities and classifies such items as Level 2. Nevertheless, certain assets and liabilities are not actively traded in observable markets and United must use alternative valuation techniques using unobservable inputs to determine a fair value and classifies such items as Level 3. For assets and liabilities that are not actively traded, the fair value measurement is based primarily upon estimates that require significant judgment. Therefore, the results may not be realized in an actual sale or immediate settlement of the asset or liability. Additionally, there are inherent weaknesses in any calculation technique, and changes in the underlying assumptions used, including discount rates and estimates of future cash flows, could significantly affect the results of current or future values. The level within the fair value hierarchy is based on the lowest level of input that is significant in the fair value measurement.

In accordance with ASC topic 820, the following describes the valuation techniques used by United to measure certain financial assets and liabilities recorded at fair value on a recurring basis in the financial statements:

Securities available for sale: Securities available for sale are recorded at fair value on a recurring basis. Fair value measurement is based upon quoted market prices, when available (Level 1). If quoted market prices are not available, fair values are measured utilizing independent valuation techniques of identical or similar securities for which significant assumptions are derived primarily from or corroborated by observable market data. Using a market approach valuation methodology, third party vendors compile prices from various sources and may determine the fair value of identical or similar securities by using pricing models that considers observable market data (Level 2). Management internally reviews the fair values provided by third party vendors on a monthly basis. Management’s review consists of comparing fair values assigned by third party vendors to trades and offerings observed by management. The review requires some degree of judgment as to the number or percentage of securities to review on the part of management which could fluctuate based on results of past reviews and in comparison to current expectations. Exceptions that are deemed to be material are reviewed by management. Additionally, to assess the reliability of the information received from third party vendors, management obtains documentation from third party vendors related to the sources, methodologies, and inputs utilized in valuing securities classified as Level 2. Management analyzes this information to ensure the underlying assumptions appear reasonable. Management also obtains an independent service auditor’s report from third party vendors to provide reasonable assurance that appropriate controls are in place over the valuation process. Upon completing its review of the pricing from third party vendors at March 31, 2016, management determined that the prices provided by its third party pricing source were reasonable and in line with management’s expectations for the market values of these securities. Therefore, prices obtained from third party vendors that did not reflect forced liquidation or distressed sales were not adjusted by management at March 31, 2016. Management utilizes a number of factors to determine if a market is inactive, all of which may require a significant level of judgment. Factors that management considers include: a significant widening of the bid-ask spread, a considerable decline in the volume and level of trading activity in the instrument, a significant variance in prices among market participants, and a significant reduction in the level of observable inputs. Any securities available for sale not valued based upon quoted market prices or third party pricing models that consider observable market data are considered Level 3. Currently, United considers its valuation of available-for-sale Trup Cdos as Level 3. The Fair Value Measurements and Disclosures topic assumes that fair values of financial assets are determined in an orderly transaction and not a forced liquidation or distressed sale at the measurement date. Based on financial market conditions, United feels that the fair values obtained from its third party vendor reflect forced liquidation or distressed sales for these Trup Cdos due to decreased volume and trading activity. Additionally, management held discussions with institutional traders to identify trends in the number and type of transactions related to the Trup Cdos sector. Based upon management’s review of the market conditions for Trup Cdos, it was determined that an income approach valuation technique (present value technique) that maximizes the use of relevant observable inputs and minimizes the use of unobservable inputs is more representative of fair value than the valuation technique used by United’s third party vendor. The present value technique discounts expected future cash flows of a security to arrive at a present value. Management considers the following items when calculating the appropriate discount rate: the implied rate of return when the market was last active, changes in the implied rate of return as markets moved from very active to inactive, recent changes in credit ratings, and recent activity showing that the market has built in increased liquidity and credit premiums. Management’s internal credit review of each security was also factored in to determine the appropriate discount rate. The credit review considered each security’s collateral, subordination, excess spread, priority of claims, principal and interest. Discount margins used in the valuation at March 31, 2016 ranged from LIBOR plus 3.75% to LIBOR plus 12.50%. Management completed a sensitivity analysis on the fair value of its Trup Cdos. Given a comprehensive 200 basis point increase in the discount rates, the total fair value of these securities would decline by approximately 17%, or $5,697.

Derivatives: United utilizes interest rate swaps to hedge exposure to interest rate risk and variability of cash flows associated to changes in the underlying interest rate of the hedged item. These hedging interest rate swaps are classified as either a fair value hedge or a cash flow hedge. United’s derivative portfolio also includes derivative financial instruments not included in hedge relationships. These derivatives consist of interest rate swaps used for interest rate management purposes and derivatives executed with commercial banking customers to facilitate their interest rate management strategies. United utilizes third-party vendors for derivative valuation purposes. These vendors determine the appropriate fair value based on a net present value calculation of the cash flows related to the interest rate swaps using primarily observable market inputs such as interest rate yield curves (Level 2). Valuation adjustments to derivative fair values for liquidity and credit risk are also taken into consideration, as well as the likelihood of default by United and derivative counterparties, the net counterparty exposure and the remaining maturities of the positions. Values obtained from third party vendors are typically not adjusted by management. Management internally reviews the derivative values provided by third party vendors on a quarterly basis. All derivative values are tested for reasonableness by management utilizing a net present value calculation.

For a fair value hedge, the fair value of the interest rate swap is recognized on the balance sheet as either a freestanding asset or liability with a corresponding adjustment to the hedged financial instrument. Subsequent adjustments due to changes in the fair value of a derivative that qualifies as a fair value hedge are offset in current period earnings either in interest income or interest expense depending on the nature of the hedged financial instrument. For a cash flow hedge, the fair value of the interest rate swap is recognized on the balance sheet as either a freestanding asset or liability with a corresponding adjustment to other comprehensive income within shareholders’ equity, net of tax. Subsequent adjustments due to changes in the fair value of a derivative that qualifies as a cash flow hedge are offset to other comprehensive income, net of tax. The portion of a hedge that is ineffective is recognized immediately in earnings.

For derivatives that are not designated in a hedge relationship, changes in the fair value of the derivatives are recognized in earnings in the same period as the change in the fair value. Unrealized gains and losses due to changes in the fair value of other derivative financial instruments not in hedge relationship are included in noninterest income and noninterest expense, respectively.

The following tables present the balances of financial assets and liabilities measured at fair value on a recurring basis as of March 31, 2016 and December 31, 2015, segregated by the level of the valuation inputs within the fair value hierarchy.

			Fair Value at March 31, 2016 Using
Description	Balance as of March 31, 2016		Quoted Prices in  Active Markets  for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable  Inputs (Level 3)
Assets
Available for sale debt securities:
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	73,356	$	0	$	73,356	$	0
State and political subdivisions		135,829		0		135,829		0
Residential mortgage-backed securities
Agency		477,292		0		477,292		0
Non-agency		8,754		0		8,754		0
Asset-backed securities		2,637		0		2,637		0
Commercial mortgage-backed securities
Agency		305,802		0		305,802		0
Trust preferred collateralized debt obligations		32,593		0		0		32,593
Single issue trust preferred securities		10,960		0		10,960		0
Other corporate securities		15,081		0		15,081		0
Total available for sale debt securities		1,062,304		0		1,029,711		32,593
Available for sale equity securities:
Financial services industry		3,186		757		2,429		0
Equity mutual funds (1)		1,623		1,623		0		0
Other equity securities		1,139		1,139		0		0
Total available for sale equity securities		5,948		3,519		2,429		0
Total available for sale securities		1,068,252		3,519		1,032,140		32,593
Derivative financial assets:
Interest rate contracts		3,164		0		3,164		0
Liabilities
Derivative financial liabilities:
Interest rate contracts		7,971		0		7,971		0

(1) The equity mutual funds are within a rabbi trust for the payment of benefits under a deferred compensation plan for certain key officers of United and its subsidiaries.

			Fair Value at December 31, 2015 Using
Description	Balance as  of December 31, 2015		Quoted Prices in  Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable  Inputs (Level 3)
Assets
Available for sale debt securities:
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	73,786	$	0	$	73,786	$	0
State and political subdivisions		133,778		0		133,778		0
Residential mortgage-backed securities
Agency		477,982		0		477,982		0
Non-agency		9,571		0		9,571		0
Asset-backed securities		3,399		0		3,399		0
Commercial mortgage-backed securities
Agency		305,935		0		305,935		0
Trust preferred collateralized debt obligations		34,686		0		0		34,686
Single issue trust preferred securities		11,693		0		11,693		0
Other corporate securities		10,049		0		10,049		0
Total available for sale debt securities		1,060,879		0		1,026,193		34,686
Available for sale equity securities:
Financial services industry		2,723		800		1,923		0
Equity mutual funds (1)		1,596		1,596		0		0
Other equity securities		1,136		1,136		0		0
Total available for sale equity securities		5,455		3,532		1,923		0
Total available for sale securities		1,066,334		3,532		1,028,116		34,686
Derivative financial assets:
Interest rate contracts		2,942		0		2,942		0
Liabilities
Derivative financial liabilities:
Interest rate contracts		4,121		0		4,121		0

(1) The equity mutual funds are within a rabbi trust for the payment of benefits under a deferred compensation plan for certain key officers of United and its subsidiaries.

There were no transfers between Level 1 and Level 2 for financial assets and liabilities measured at fair value on a recurring basis during the three months ended March 31, 2016 and the year ended December 31, 2015. The following table presents additional information about financial assets and liabilities measured at fair value at March 31, 2016 and December 31, 2015 on a recurring basis and for which United has utilized Level 3 inputs to determine fair value:

	Available-for-sale Securities
	Trust preferred collateralized debt obligations
	March 31, 2016			December 31, 2015
Balance, beginning of period	$	34,686		$	39,558
Total gains or losses (realized/unrealized):
Included in earnings (or changes in net assets)		0			(34	)
Included in other comprehensive income		(2,093	)		(4,838	)
Purchases, issuances, and settlements		0			0
Transfers in and/or out of Level 3		0			0
Balance, end of period	$	32,593		$	34,686
The amount of total gains or losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to assets still held at reporting date		0			0

Certain financial assets are measured at fair value on a nonrecurring basis in accordance with GAAP. Adjustments to the fair value of these assets usually result from the application of lower-of-cost-or-market accounting or write-downs of individual assets.

The following describes the valuation techniques used by United to measure certain financial assets recorded at fair value on a non-recurring basis in the financial statements.

Loans held for sale: Loans held for sale are carried at the lower of cost or fair value. These loans currently consist of one-to-four family residential loans originated for sale in the secondary market. Fair value is based on the price secondary markets are currently offering for similar loans using observable market data which is not materially different than cost due to the short duration between origination and sale (Level 2). As such, United records any fair value adjustments on a nonrecurring basis. No nonrecurring fair value adjustments were recorded on loans held for sale during the quarter ended March 31, 2016. Gains and losses on sale of loans are recorded within income from mortgage banking on the Consolidated Statements of Income.

Impaired Loans: Loans are designated as impaired when, in the judgment of management based on current information and events, it is probable that all amounts due according to the contractual terms of the loan agreement will not be collected. Impairment is measured based upon the present value of expected future cash flows from the loan discounted at the loan’s effective rate and the loan’s observable market price or the fair value of collateral, if the loan is collateral dependent. Fair value is measured using a market approach based on the value of the collateral securing the loans. Collateral may be in the form of real estate or business assets including equipment, inventory, and accounts receivable. The vast majority of the collateral is real estate. The value of real estate collateral is determined utilizing an appraisal conducted by an independent, licensed appraiser outside of the Company using comparable property sales (Level 2). However, if the collateral is a house or building in the process of construction or if an appraisal of the real estate property is over two years old, then the fair value is considered Level 3. The value of business equipment is based upon an outside appraisal if deemed significant, or the net book value on the applicable business’ financial statements if not considered significant using observable market data. Likewise, values for inventory and accounts receivables collateral are based on financial statement balances or aging reports (Level 3). For impaired loans, a specific reserve is established through the Allowance for Loan Losses, if necessary, by estimating the fair value of the underlying collateral on a nonrecurring basis. Any fair value adjustments are recorded in the period incurred as provision for credit losses expense on the Consolidated Statements of Income.

OREO: OREO consists of real estate acquired in foreclosure or other settlement of loans. Such assets are carried on the balance sheet at the lower of the investment in the assets or the fair value of the assets less estimated selling costs. Fair value is determined by one of two market approach methods depending on whether the property has been vacated and an appraisal can be conducted. If the property has yet to be vacated and thus an appraisal cannot be performed, a Brokers Price Opinion (i.e. BPO), is obtained. A BPO represents a best estimate valuation performed by a realtor based on knowledge of current property values and a visual examination of the exterior condition of the property. Once the property is subsequently vacated, a formal appraisal is obtained and the recorded asset value appropriately adjusted. On the other hand, if the OREO property has been vacated and an appraisal can be conducted, the fair value of the property is determined based upon the appraisal using a market approach. An authorized independent appraiser conducts appraisals for United. Appraisals for property other than ongoing construction are based on consideration of comparable property sales (Level 2). In contrast, valuation of ongoing construction assets requires some degree of professional judgment. In conducting an appraisal for ongoing construction property, the appraiser develops two appraised amounts: an “as is” appraised value and a “completed” value. Based on professional judgment and their knowledge of the particular situation, management determines the appropriate fair value to be utilized for such property (Level 3). As a matter of policy, valuations are reviewed at least annually and appraisals are generally updated on a bi-annual basis with values lowered as necessary.

Intangible Assets: For United, intangible assets consist of goodwill and core deposit intangibles. Goodwill is tested for impairment at least annually or sooner if indicators of impairment exist. Goodwill impairment would be defined as the difference between the recorded value of goodwill (i.e. book value) and the implied fair value of goodwill. In determining the implied fair value of goodwill for purposes of evaluating goodwill impairment, United determines the fair value of the reporting unit using a market approach and compares the fair value to its carrying value. If the carrying value exceeds the fair value, a step two test is performed whereby the implied fair value is computed by deducting the fair value of all tangible and intangible net assets from the fair value of the reporting unit. Core deposit intangibles relate to the estimated value of the deposit base of acquired institutions. Management reviews core deposit intangible assets on an annual basis, or sooner if indicators of impairment exist, and evaluates changes in facts and circumstances that may indicate impairment in the carrying value. No fair value measurement of intangible assets was made during the first quarter of 2016 and 2015.

The following table summarizes United’s financial assets that were measured at fair value on a nonrecurring basis during the period.

Description	Balance as  of March 31, 2016		Carrying value at March 31, 2016						YTD Losses
			Quoted Prices in  Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Impaired Loans	$	75,180	$	0	$	34,171	$	41,009	$	2,504
OREO		28,981		0		27,266		1,715		338
Description	Balance as of December 31, 2015		Carrying value at December 31, 2015						YTD Losses
			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Impaired Loans	$	69,368	$	0	$	29,186	$	40,182	$	8,485
OREO		32,228		0		32,228		0		1,141

The following methods and assumptions were used by United in estimating its fair value disclosures for other financial instruments:

Cash and Cash Equivalents: The carrying amounts reported in the balance sheet for cash and cash equivalents approximate those assets’ fair values.

Securities held to maturity and other securities: The estimated fair values of held to maturity are based on quoted market prices, where available. If quoted market prices are not available, fair values are measured utilizing independent valuation techniques of identical or similar securities for which significant assumptions are derived primarily from or corroborated by observable market data. Third party vendors compile prices from various sources and may determine the fair value of identical or similar securities by using pricing models that considers observable market data. Any securities held to maturity, not valued based upon the methods above, are valued based on a discounted cash flow methodology using appropriately adjusted discount rates reflecting nonperformance and liquidity risks. Other securities consist mainly of shares of Federal Home Loan Bank and Federal Reserve Bank stock that do not have readily determinable fair values and are carried at cost.

Loans: The fair values of certain mortgage loans (e.g., one-to-four family residential), credit card loans, and other consumer loans are based on quoted market prices of similar loans sold in conjunction with securitization transactions, adjusted for differences in loan characteristics. The fair values of other loans (e.g., commercial real estate and rental property mortgage loans, commercial and industrial loans, financial institution loans and agricultural loans) are estimated using discounted cash flow analyses, using market interest rates currently being offered for loans with similar terms to borrowers of similar creditworthiness, which include adjustments for liquidity concerns. For acquired impaired loans, fair value is assumed to equal United’s carrying value, which represents the present value of expected future principal and interest cash flows, as adjusted for any Allowance for Loan Losses recorded for these loans.

Deposits: The fair values of demand deposits (e.g., interest and noninterest checking, regular savings and certain types of money market accounts) are, by definition, equal to the amount payable on demand at the reporting date (i.e., their carrying amounts). The carrying amounts of variable-rate, fixed-term money market accounts and certificates of deposit approximate their fair values at the reporting date. Fair values of fixed-rate certificates of deposit are estimated using a discounted cash flow calculation that applies interest rates currently being offered on certificates to a schedule of aggregated expected monthly maturities on time deposits.

Short-term Borrowings: The carrying amounts of federal funds purchased, borrowings under repurchase agreements and any other short-term borrowings approximate their fair values.

Long-term Borrowings: The fair values of United’s Federal Home Loan Bank borrowings and trust preferred securities are estimated using discounted cash flow analyses, based on United’s current incremental borrowing rates for similar types of borrowing arrangements.

The estimated fair values of United’s financial instruments are summarized below:

					Fair Value Measurements
	Carrying Amount		Fair Value		Quoted Prices in Active Markets  for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
March 31, 2016
Cash and cash equivalents	$	904,841	$	904,841	$	0	$	904,841	$	0
Securities available for sale		1,068,252		1,068,252		3,519		1,032,140		32,593
Securities held to maturity		39,058		35,567		0		32,547		3,020
Other securities		100,000		95,000		0		0		95,000
Loans held for sale		5,395		5,395		0		5,395		0
Loans		9,302,903		9,350,404		0		0		9,350,404
Derivative financial assets		3,164		3,164		0		3,164		0
Deposits		9,324,568		9,310,035		0		9,310,035		0
Short-term borrowings		417,082		417,082		0		417,082		0
Long-term borrowings		1,035,071		1,007,356		0		1,007,356		0
Derivative financial liabilities		7,971		7,971		0		7,971		0
December 31, 2015
Cash and cash equivalents	$	857,335	$	857,335	$	0	$	857,335	$	0
Securities available for sale		1,066,334		1,066,334		3,532		1,028,116		34,686
Securities held to maturity		39,099		36,320		0		33,300		3,020
Other securities		98,749		93,811		0		0		93,811
Loans held for sale		10,681		10,681		0		10,681		0
Loans		9,308,354		9,289,463		0		0		9,289,463
Derivative financial assets		2,942		2,942		0		2,942		0
Deposits		9,341,527		9,332,451		0		9,332,451		0
Short-term borrowings		423,028		423,028		0		423,028		0
Long-term borrowings		1,015,249		988,270		0		988,270		0
Derivative financial liabilities		4,121		4,121		0		4,121		0

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Stock Based Compensation

3 Months Ended

Mar. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock Based Compensation

13. STOCK BASED COMPENSATION

On May 16, 2011, United’s shareholders approved the 2011 Long-Term Incentive Plan (2011 LTI Plan). The 2011 LTI Plan became effective as of July 1, 2011. An award granted under the 2011 LTI Plan may consist of any non-qualified stock options or incentive stock options, stock appreciation rights, restricted stock, or restricted stock units. These awards all relate to the common stock of United. The maximum number of shares of United common stock which may be issued under the 2011 LTI Plan is 1,500,000. Any and all shares may be issued in respect of any of the types of awards, provided that (1) the aggregate number of shares that may be issued in respect of restricted stock awards, and restricted stock units awards which are settled in shares is 350,000, and (2) the aggregate number of shares that may be issued pursuant to stock options is 1,150,000. The shares to be offered under the 2011 LTI Plan may be authorized and unissued shares or treasury shares. With respect to awards that are intended to satisfy the requirements for performance-based compensation under Code Section 162(m), the maximum number of options and stock appreciation rights, in the aggregate, which may be awarded pursuant to the 2011 LTI Plan to any individual participant during any calendar year is 100,000, and the maximum number of shares of restricted stock and/or shares subject to a restricted stock units award that may be granted pursuant to the 2011 LTI Plan to any individual participant during any calendar year is 50,000 shares. A participant may be any key employee of United or its affiliates or a non-employee member of United’s Board of Directors. Subject to certain change in control provisions, stock options, SARs, restricted stock and restricted stock units generally will vest in 25% increments over the first four anniversaries of the awards unless the Committee specifies otherwise in the award agreement. No award will vest sooner than 1/3 per year over the first three anniversaries of the award. Beginning in 2014, awards granted to executive officers of United have performance based vesting conditions. A Form S-8 was filed on September 2, 2011 with the Securities and Exchange Commission to register all the shares which were available for the 2011 LTI Plan. During the first quarter of 2016, a total of 189,780 non-qualified stock options and 64,092 shares of restricted stock were granted under the 2011 LTI Plan.

Compensation expense of $658 and $631 related to the nonvested awards under the 2011 LTI Plan and the 2006 Stock Option Plan was incurred for the first quarter of 2016 and 2015, respectively. Compensation expense was included in employee compensation in the unaudited Consolidated Statements of Income.

Stock Options

United currently has options outstanding from various option plans other than the 2011 LTI Plan (the Prior Plans); however, no common shares of United stock are available for grants under the Prior Plans as these plans have expired. Awards outstanding under the Prior Plans will remain in effect in accordance with their respective terms. The maximum term for options granted under the plans is ten (10) years.

A summary of activity under United’s stock option plans as of March 31, 2016, and the changes during the first three months of 2016 are presented below:

	Three Months Ended March 31, 2016
						Weighted Average
	Shares			Aggregate Intrinsic Value		Remaining Contractual Term (Yrs.)		Exercise Price
Outstanding at January 1, 2016		1,207,110						$	28.15
Granted		189,780							35.04
Exercised		(42,441	)						19.43
Forfeited or expired		(8,694	)						32.95
Outstanding at March 31, 2016		1,345,755		$	9,905		6.5	$	29.37
Exercisable at March 31, 2016		900,457		$	8,531		5.3	$	27.24

The following table summarizes the status of United’s nonvested stock option awards during the first three months of 2016:

	Shares			Weighted-Average Grant Date Fair Value Per Share
Nonvested at January 1, 2016		426,395		$	6.68
Granted		189,780			6.97
Vested		(162,183	)		6.59
Forfeited or expired		(8,694	)		6.81
Nonvested at March 31, 2016		445,298		$	6.84

During the three months ended March 31, 2016 and 2015, 42,441 and 89,875 shares, respectively, were issued in connection with stock option exercises. All shares issued in connection with stock option exercises for the three months ended March 31, 2016 and 2015 were issued from authorized and unissued stock. The total intrinsic value of options exercised under the Plans during the three months ended March 31, 2016 and 2015 was $678 and $610, respectively.

Restricted Stock

Under the 2011 LTI Plan, United may award restricted common shares to key employees and non-employee directors. Restricted shares granted to participants have a four-year time-based vesting period. Recipients of restricted shares do not pay any consideration to United for the shares, have the right to vote all shares subject to such grant and receive all dividends with respect to such shares, whether or not the shares have vested. Presently, these nonvested participating securities have an immaterial impact on diluted earnings per share.

The following summarizes the changes to United’s restricted common shares for the period ended March 31, 2016:

	Number of Shares			Weighted-Average Grant Date Fair Value Per Share
Outstanding at January 1, 2016		129,772		$	31.69
Granted		64,092			35.04
Vested		(49,179	)		30.51
Forfeited		(3,288	)		32.16
Outstanding at March 31, 2016		141,397		$	33.60

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Employee Benefit Plans

3 Months Ended

Mar. 31, 2016

Compensation and Retirement Disclosure [Abstract]

Employee Benefit Plans

14. EMPLOYEE BENEFIT PLANS

United has a defined benefit retirement plan covering a majority of all employees. Pension benefits are based on years of service and the average of the employee’s highest five consecutive plan years of basic compensation paid during the ten plan years preceding the date of determination. Contributions are intended to provide not only for benefits attributed to service to date, but also for those expected to be earned in the future.

In September of 2007, after a recommendation by United’s Pension Committee and approval by United’s Board of Directors, the United Bankshares, Inc. Pension Plan (the Plan) was amended to change the participation rules. The decision to change the participation rules for the Plan followed current industry trends, as many large and medium size companies had taken similar steps. The amendment provides that employees hired on or after October 1, 2007, will not be eligible to participate in the Plan. However, new employees, including those retained in the Virginia Commerce acquisition, will be eligible to participate in United’s Savings and Stock Investment 401(k) plan. This change had no impact on current employees hired prior to October 1, 2007 as they will continue to participate in the Plan, with no change in benefit provisions, and will continue to be eligible to participate in United’s Savings and Stock Investment 401(k) plan.

Included in accumulated other comprehensive income at December 31, 2015 are unrecognized actuarial losses of $55,998 ($35,727 net of tax) that have not yet been recognized in net periodic pension cost. The amortization of this item expected to be recognized in net periodic pension cost during the fiscal year ended December 31, 2016 is $4,618 ($2,946 net of tax).

Net periodic pension cost for the three months ended March 31, 2016 and 2015 included the following components:

	Three Months Ended March 31
	2016			2015
Service cost	$	607		$	740
Interest cost		1,456			1,430
Expected return on plan assets		(2,012	)		(2,293	)
Amortization of transition asset		0			0
Recognized net actuarial loss		1,148			1,208
Amortization of prior service cost		0			0
Net periodic pension (benefit) cost	$	1,199		$	1,085
Weighted-Average Assumptions:
Discount rate		4.75	%		4.35	%
Expected return on assets		7.25	%		7.50	%
Rate of compensation increase (prior to age 45)		3.50	%		3.50	%
Rate of compensation increase		3.00	%		3.00	%

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Income Taxes

3 Months Ended

Mar. 31, 2016

Income Tax Disclosure [Abstract]

Income Taxes

15. INCOME TAXES

United records a liability for uncertain income tax positions based on a recognition threshold of more-likely-than-not, and a measurement attribute for all tax positions taken on a tax return, in order for those tax positions to be recognized in the financial statements.

As of March 31, 2016, United has provided a liability for $2,153 of unrecognized tax benefits related to various federal and state income tax matters. The entire amount of unrecognized tax benefits, if recognized, would impact United’s effective tax rate. Over the next 12 months, the statute of limitations will close on certain income tax periods. However, at this time, United cannot reasonably estimate the amount of tax benefits it may recognize over the next 12 months.

United is currently open to audit under the statute of limitations by the Internal Revenue Service for the years ended December 31, 2012, 2013 and 2014 and certain State Taxing authorities for the years ended December 31, 2012 through 2014.

As of March 31, 2016 and 2015, the total amount of accrued interest related to uncertain tax positions was $752 and $825, respectively. United accounts for interest and penalties related to uncertain tax positions as part of its provision for federal and state income taxes.

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Comprehensive Income

3 Months Ended

Mar. 31, 2016

Equity [Abstract]

Comprehensive Income

16. COMPREHENSIVE INCOME

The components of total comprehensive income for the three months ended March 31, 2016 and 2015 are as follows:

	Three Months Ended March 31
	2016			2015
Net Income	$	34,706		$	34,627
Available for sale (“AFS”) securities:
AFS securities with OTTI charges during the period		0			(100	)
Related income tax effect		0			36
Less : OTTI charges recognized in net income		0			34
Related income tax benefit		0			(12	)
Reclassification of previous noncredit OTTI to credit OTTI		0			0
Related income tax benefit		0			0
Net unrealized gain (loss) on AFS securities with OTTI		0			(42	)
AFS securities – all other:
Change in net unrealized gain on AFS securities arising during the period		13,317			8,471
Related income tax effect		(4,821	)		(3,066	)
Net reclassification adjustment for losses (gains) included in net income		(4	)		(46	)
Related income tax (benefit) expense		1			17
		8,493			5,376
Net effect of AFS securities on other comprehensive income		8,493			5,334
Held to maturity (“HTM”) securities:
Accretion on the unrealized loss for securities transferred from AFS to the HTM investment portfolio prior to call or maturity		1			1
Related income tax expense		(0	)		(0	)
Net effect of HTM securities on other comprehensive income		1			1
Pension plan:
Recognized net actuarial loss		1,148			1,208
Related income tax benefit		(419	)		(440	)
Net effect of change in pension plan asset on other comprehensive income		729			768
Total change in other comprehensive income		9,223			6,103
Total Comprehensive Income	$	43,929		$	40,730

The components of accumulated other comprehensive income for the three months ended March 31, 2016 are as follows:

Changes in Accumulated Other Comprehensive Income (AOCI) by Component ^(a)

For the Three Months Ended March 31, 2016

	Unrealized Gains/Losses on AFS Securities			Accretion on the unrealized loss for securities transferred from AFS to the HTM			Defined Benefit Pension Items			Total
Balance at January 1, 2016	($	2,515	)	($	57	)	($	35,640	)	($	38,212	)
Other comprehensive income before reclassification		8,496			1			0			8,497
Amounts reclassified from accumulated other comprehensive income		(3	)		0			729			726
Net current-period other comprehensive income, net of tax		8,493			1			729			9,223
Balance at March 31, 2016	$	5,978		($	56	)	($	34,911	)	($	28,989	)

(a) All amounts are net-of-tax.

Reclassifications out of Accumulated Other Comprehensive Income (AOCI)

For the Three Months Ended March 31, 2016

Details about AOCI Components	Amount Reclassified from AOCI			Affected Line Item in the Statement Where Net Income is Presented
Available for sale (“AFS”) securities:
Reclassification of previous noncredit OTTI to credit OTTI	$	0		Total other-than-temporary impairment losses
Net reclassification adjustment for losses (gains) included in net income		(4	)	Net gains on sales/calls of investment securities
		(4	)	Total before tax
Related income tax effect		1		Tax expense
		(3	)	Net of tax
Pension plan:
Recognized net actuarial loss		1,148	(a)
		1,148		Total before tax
Related income tax effect		(419	)	Tax expense
		729		Net of tax
Total reclassifications for the period	$	726

(a) This AOCI component is included in the computation of net periodic pension cost (see Note 14, Employee Benefit Plans)

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Earnings Per Share

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Earnings Per Share

17. EARNINGS PER SHARE

Earnings per common share is computed using the two-class method. The reconciliation of the numerator and denominator of basic earnings per share with that of diluted earnings per share is presented as follows:

	Three Months Ended March 31
	2016		2015
Distributed earnings allocated to common stock	$	22,954	$	22,167
Undistributed earnings allocated to common stock		11,688		12,399
Net earnings allocated to common shareholders	$	34,642	$	34,566
Average common shares outstanding		69,497,489		69,207,508
Common stock equivalents		216,632		269,336
Average diluted shares outstanding		69,714,121		69,476,844
Earnings per basic common share	$	0.50	$	0.50
Earnings per diluted common share	$	0.50	$	0.50

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Variable Interest Entities

3 Months Ended

Mar. 31, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Variable Interest Entities

18. VARIABLE INTEREST ENTITIES

Variable interest entities (VIEs) are entities that either have a total equity investment that is insufficient to permit the entity to finance its activities without additional subordinated financial support or whose equity investors lack the characteristics of a controlling financial interest (i.e., ability to make significant decisions, through voting rights, right to receive the expected residual returns of the entity, and obligation to absorb the expected losses of the entity). VIEs can be structured as corporations, trusts, partnerships, or other legal entities. United’s business practices include relationships with certain VIEs. For United, the business purpose of these relationships primarily consists of funding activities in the form of issuing trust preferred securities.

United currently sponsors thirteen statutory business trusts that were created for the purpose of raising funds that qualified for Tier I regulatory capital. These trusts, of which several were acquired through bank acquisitions, issued or participated in pools of trust preferred capital securities to third-party investors with the proceeds invested in junior subordinated debt securities of United. The Company, through a small capital contribution, owns 100% of the voting equity shares of each trust. The assets, liabilities, operations, and cash flows of each trust are solely related to the issuance, administration, and repayment of the preferred equity securities held by third-party investors. United fully and unconditionally guarantees the obligations of each trust and is obligated to redeem the junior subordinated debentures upon maturity.

The trusts utilized in these transactions are VIEs as the third-party equity holders lack a controlling financial interest in the trusts through their inability to make decisions that have a significant effect on the operations and success of the entities. United does not consolidate these trusts as it is not the primary beneficiary of these entities because United’s equity interest does not absorb the majority of the trusts’ expected losses or receive a majority of their expected residual returns.

Information related to United’s statutory trusts is presented in the table below:

Description	Issuance Date	Amount of Capital Securities Issued		Interest Rate	Maturity Date
Century Trust	March 23, 2000	$	8,800	10.875% Fixed	March 8, 2030
United Statutory Trust III	December 17, 2003	$	20,000	3-month LIBOR + 2.85%	December 17, 2033
United Statutory Trust IV	December 19, 2003	$	25,000	3-month LIBOR + 2.85%	January 23, 2034
United Statutory Trust V	July 12, 2007	$	50,000	3-month LIBOR + 1.55%	October 1, 2037
United Statutory Trust VI	September 20, 2007	$	30,000	3-month LIBOR + 1.30%	December 15, 2037
Premier Statutory Trust II	September 25, 2003	$	6,000	3-month LIBOR + 3.10%	October 8, 2033
Premier Statutory Trust III	May 16, 2005	$	8,000	3-month LIBOR + 1.74%	June 15, 2035
Premier Statutory Trust IV	June 20, 2006	$	14,000	3-month LIBOR + 1.55%	September 23, 2036
Premier Statutory Trust V	December 14, 2006	$	10,000	3-month LIBOR + 1.61%	March 1, 2037
Centra Statutory Trust I	September 20, 2004	$	10,000	3-month LIBOR + 2.29%	September 20, 2034
Centra Statutory Trust II	June 15, 2006	$	10,000	3-month LIBOR + 1.65%	July 7, 2036
Virginia Commerce Trust II	December 19, 2002	$	15,000	6-month LIBOR + 3.30%	December 19, 2032
Virginia Commerce Trust III	December 20, 2005	$	25,000	3-month LIBOR + 1.42%	February 23, 2036

United, through its banking subsidiaries, also makes limited partner equity investments in various low income housing and community development partnerships sponsored by independent third-parties. United invests in these partnerships to either realize tax credits on its consolidated federal income tax return or for purposes of earning a return on its investment. These partnerships are considered VIEs as the limited partners lack a controlling financial interest in the entities through their inability to make decisions that have a significant effect on the operations and success of the partnerships. United’s limited partner interests in these entities is immaterial, however; these partnerships are not consolidated as United is not deemed to be the primary beneficiary.

The following table summarizes quantitative information about United’s significant involvement in unconsolidated VIEs:

	As of March 31, 2016						As of December 31, 2015
	Aggregate Assets		Aggregate Liabilities		Risk Of Loss (1)		Aggregate Assets		Aggregate Liabilities		Risk Of Loss (1)
Trust preferred securities	$	240,435	$	232,436	$	7,999	$	240,468	$	232,492	$	7,976

(1) Represents investment in VIEs.

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General (Policies)

3 Months Ended

Mar. 31, 2016

Fair Value Disclosures [Abstract]

New Accounting Standards

New Accounting Standards

In March 2016, the FASB issued ASU 2016-09, “Compensation-Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting.” ASU 2016-09 will change certain aspects of accounting for share-based payments to employees. The new guidance, amongst other things, will require all income tax effects of awards to be recognized in the income statement when the awards vest or are settled. It also will allow an employer to repurchase more of an employee’s shares than it can today for tax withholding purposes without triggering liability accounting and to make a policy election to account for forfeitures as they occur. ASU 2016-09 is effective for United on January 1, 2017, and management is currently evaluating the possible impact this standard may have on the Company’s financial condition or results of operations.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842)”. ASU 2016-02 includes a lessee accounting model that recognizes two types of leases, finance leases and operating leases, while lessor accounting will remain largely unchanged from the current GAAP. ASU 2016-02 requires, amongst other things, that a lessee recognize on the balance sheet a right-of-use asset and a lease liability for leases with lease terms of more than twelve months. The recognition, measurement, and presentation of expenses and cash flows arising from a lease by a lessee will depend on its classification as a finance or operating lease. ASU 2016-02 is effective for United on January 1, 2019 and management is currently evaluating the possible impact this standard may have on the Company’s financial condition or results of operations.

In January 2016, the FASB issued ASU 2016-01, “Financial Instruments Overall: Recognition and Measurement of Financial Assets and Financial Liabilities.” ASU 2016-01 makes changes to the classification and measurement of investments in equity securities, the presentation of certain fair value changes for financial liabilities measured at fair value under the fair value option and disclosure of fair value of instruments. In addition, ASU 2016-01 clarifies guidance related to the valuation allowance assessment when recognizing deferred tax assets resulting from unrealized losses on available-for-sale debt securities. ASU 2016-01 is effective for United on January 1, 2018 and is not expected to have a significant impact on the Company’s financial condition or results of operations.

In September 2015, the FASB issued ASU 2015-16, “Simplifying the Accounting for Measurement-Period Adjustments” associated with a business combination, as part of its simplification initiative. ASU 2015-16 requires an acquirer to “recognize adjustments to provisional amounts that are identified during the measurement period in the reporting period in which the adjustment amounts are determined.” In addition, the acquirer must record, in the financial statements for the same period, “the effect on earnings of changes in depreciation, amortization, or other income effect, if any, as a result of the change to the provisional amounts, calculated as if the accounting had been completed at the acquisition date.” Entities must also “present separately on the face of the income statement or disclose in the notes the portion of the amount recorded in the current-period earnings by line item that would have been recorded in previous reporting periods if the adjustment to the provisional amount had been recognized as of the acquisition date.” ASU 2015-16 was effective for United on January 1, 2016 and did not have a significant impact on the Company’s financial condition or results of operations.

In May 2015, the FASB issued ASU 2015-07, “Disclosures for Investment in Certain Entities That Calculate Net Asset Value per Share (or Its Equivalent), a consensus of the FASB Emerging Issues Task Force.” ASU 2015-07 modifies certain provisions of FASB Accounting Standards Codification Topic 820, Fair Value Measurement (ASC 820). ASU 2015-07 eliminates the requirement to categorize investments in the fair value hierarchy if an investment’s fair value is measured based on net asset value (NAV) per share (or its equivalent) using the practical expedient. The reporting entities will no longer be required to provide the related fair value disclosures for these securities but instead, will be required to disclose information to help users understand the nature of the investments as well as risks, including whether it is probable that the amount realized on the sale of the investments would differ from net asset value. ASU 2015-07 was effective for United on January 1, 2016 and did not have a significant impact on the Company’s financial condition or results of operations.

In April 2015, the FASB issued ASU 2015-04, “Compensation – Retirement Benefits: Practical Expedient for the Measurement Date of an Employer’s Defined Benefit Obligation and Plan Assets.” ASU 2015-04 gives an employer whose fiscal year-end does not coincide with a calendar month-end the ability, as a practical expedient, to measure defined benefit retirement obligations and related plan assets as of the month-end that is closest to its fiscal year-end. ASU 2015-04 also provides guidance on accounting for contributions to the plan and significant events that require a remeasurement that occur during the period between a month-end measurement and the employer’s fiscal year-end. ASU 2015-04 was effective for United on January 1, 2016 and did not have a significant impact on the Company’s financial condition or results of operations.

In April 2015, the FASB issued ASU 2015-03, “Simplifying the Presentation of Debt Issuance Costs.” Under ASU 2015-03, debt issuance costs are required to be presented as a direct deduction of debt balances on the statement of financial condition, similar to the presentation of debt discounts. ASU 2015-03 is limited to simplifying the presentation of debt issuance costs and does not change the recognition and measurement guidance for debt issuance costs. ASU 2015-03 was effective for United on January 1, 2016 and did not have a significant impact on the Company’s financial condition or results of operations.

In February 2015, the FASB issued ASU 2015-02, “Amendments to the Consolidation Analysis.” ASU 2015-02 improves targeted areas of the consolidation guidance and reduces the number of consolidation models. The new consolidation standard eliminates the deferral of FAS 167 and makes changes to both the variable interest model and the voting model in ASC 810. ASU 2015-02 affects all entities, could change consolidation conclusions and may trigger additional disclosures. ASU 2015-02 was effective for United on January 1, 2016 and did not have a significant impact on the Company’s financial condition or results of operations.

In January 2015, the FASB issued ASU 2015-01, “Income Statement, Extraordinary and Unusual Items (Subtopic 225-20).”ASU 2015-01 eliminates the separate presentation of extraordinary items but does not change the requirement to disclose material items that are unusual or infrequent in nature. Eliminating the concept of extraordinary items will allow entities to no longer have to assess whether a particular event or transaction is both unusual in nature and infrequent in occurrence. ASU 2015-01 was effective for United on January 1, 2016 and did not have a significant impact on the Company’s financial condition or results of operations.

In June 2014, the FASB issued ASU 2014-12, “Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period.” ASU 2014-12 amends the guidance in FASB ASC 718, “Compensation-Stock Compensation”, to bring consistency to the accounting for share-based payment awards that require a specific performance target to be achieved in order for employees to become eligible to vest in the awards. The amendments affect all entities that grant their employees share-based payments in which the terms of the award provide that a performance target that affects vesting could be achieved after the requisite service period. ASU 2014-12 was effective for United on January 1, 2016 and did not have a significant impact on the Company’s financial condition or results of operations.

In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers (Topic 606).” ASU 2014-09 supersedes the revenue recognition requirements in Accounting Standards Codification Topic 605, “Revenue Recognition”, and most industry-specific guidance throughout the Accounting Standards Codification. The amendments require an entity to recognize revenue upon 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 and services. The new revenue recognition standard sets forth a five step principle-based approach for determining revenue recognition. In April 2015, the FASB voted to defer the effective date of ASU 2014-09 by one-year for both public and private companies, and gave both public and private companies the option to “early” adopt using the original effective dates. ASU 2014-09 now will be effective for United on January 1, 2018 with early adoption permitted on January 1, 2017. Management is currently evaluating this guidance to determine the impact on the Company’s financial condition or results of operations.

Fair Value Measurement

United determines the fair values of its financial instruments based on the fair value hierarchy established by ASC topic 820, which also clarifies that fair value of certain assets and liabilities is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants.

The Fair Value Measurements and Disclosures topic specifies a hierarchy of valuation techniques based on whether the inputs to those valuation techniques are observable or unobservable. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect United’s market assumptions.

The three levels of the fair value hierarchy, based on these two types of inputs, are as follows:

Level 1	-	Valuation is based on quoted prices in active markets for identical assets and liabilities.
Level 2	-	Valuation is based on observable inputs including quoted prices in active markets for similar assets and liabilities, quoted prices for identical or similar assets and liabilities in less active markets, and model-based valuation techniques for which significant assumptions can be derived primarily from or corroborated by observable data in the market.
Level 3	-	Valuation is based on model-based techniques that use one or more significant inputs or assumptions that are unobservable in the market.

When determining the fair value measurements for assets and liabilities, United looks to active and observable markets to price identical assets or liabilities whenever possible and classifies such items in Level 1. When identical assets and liabilities are not traded in active markets, United looks to market observable data for similar assets and liabilities and classifies such items as Level 2. Nevertheless, certain assets and liabilities are not actively traded in observable markets and United must use alternative valuation techniques using unobservable inputs to determine a fair value and classifies such items as Level 3. For assets and liabilities that are not actively traded, the fair value measurement is based primarily upon estimates that require significant judgment. Therefore, the results may not be realized in an actual sale or immediate settlement of the asset or liability. Additionally, there are inherent weaknesses in any calculation technique, and changes in the underlying assumptions used, including discount rates and estimates of future cash flows, could significantly affect the results of current or future values. The level within the fair value hierarchy is based on the lowest level of input that is significant in the fair value measurement.

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Investment Securities (Tables)

3 Months Ended

Mar. 31, 2016

Summary of Amortized Cost and Estimated Fair Values of Available for Sale Securities

The amortized cost and estimated fair values of securities available for sale are summarized as follows:

	March 31, 2016
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Cumulative OTTI in AOCI(1)
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	70,152	$	3,204	$	0	$	73,356	$	0
State and political subdivisions		131,953		3,909		33		135,829		0
Residential mortgage-backed securities
Agency		465,513		11,840		61		477,292		0
Non-agency		8,585		176		7		8,754		458
Commercial mortgage-backed securities
Agency		299,095		6,729		22		305,802		0
Asset-backed securities		2,640		0		3		2,637		0
Trust preferred collateralized debt obligations		49,342		686		17,435		32,593		25,952
Single issue trust preferred securities		13,325		234		2,599		10,960		0
Other corporate securities		14,994		87		0		15,081		0
Marketable equity securities		5,345		614		11		5,948		0
Total	$	1,060,944	$	27,479	$	20,171	$	1,068,252	$	26,410
	December 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Cumulative OTTI in AOCI(1)
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	71,993	$	1,793	$	0	$	73,786	$	0
State and political subdivisions		130,685		3,144		51		133,778		0
Residential mortgage-backed securities
Agency		473,109		5,580		707		477,982		0
Non-agency		9,119		457		5		9,571		458
Commercial mortgage-backed securities
Agency		305,990		1,843		1,898		305,935		0
Asset-backed securities		3,404		0		5		3,399		0
Trust preferred collateralized debt obligations		49,386		635		15,335		34,686		25,952
Single issue trust preferred securities		13,811		249		2,367		11,693		0
Other corporate securities		9,999		50		0		10,049		0
Marketable equity securities		4,844		637		26		5,455		0
Total	$	1,072,340	$	14,388	$	20,394	$	1,066,334	$	26,410

(1) Other-than-temporary impairment in accumulated other comprehensive income. Amounts are before tax.

Summary of Securities Available for Sale in an Unrealized Loss Position

The following is a summary of securities available-for-sale which were in an unrealized loss position at March 31, 2016 and December 31, 2015.

	Less than 12 months				12 months or longer
	Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses
March 31, 2016
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	0	$	0	$	0	$	0
State and political subdivisions		13,041		33		0		0
Residential mortgage-backed securities
Agency		12,246		47		10,025		14
Non-agency		299		7		0		0
Commercial mortgage-backed securities
Agency		0		0		9,424		22
Asset-backed securities		2,637		3		0		0
Trust preferred collateralized debt obligations		1,029		276		26,628		17,159
Single issue trust preferred securities		3,900		736		3,824		1,863
Marketable equity securities		1,377		11		0		0
Total	$	34,529	$	1,113	$	49,901	$	19,058
	Less than 12 months				12 months or longer
	Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses
December 31, 2015
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	0	$	0	$	0	$	0
State and political subdivisions		15,550		51		0		0
Residential mortgage-backed securities
Agency		90,004		707		0		0
Non-agency		348		5		0		0
Commercial mortgage-backed securities
Agency		170,340		1,650		9,255		248
Asset-backed securities		3,399		5		0		0
Trust preferred collateralized debt obligations		3,304		135		28,633		15,200
Single issue trust preferred securities		4,225		404		3,720		1,963
Marketable equity securities		986		26		0		0
Total	$	288,156	$	2,983	$	41,608	$	17,411

Summary of Gains or Losses on Proceeds from Maturities, Sales and Calls of Available for Sale Securities by Specific Identification Method

The realized losses relate to sales of securities within a rabbi trust for the payment of benefits under a deferred compensation plan for certain key officers of United and its subsidiaries.

	Three Months Ended March 31
	2016		2015
Proceeds from sales and calls	$	34,999	$	36,087
Gross realized gains		6		50
Gross realized losses		2		4

Summary of Unrealized Loss Positions of Available for Sale TRUP CDOs and Single Issue Trust Preferred Securities

The following is a summary of the available for sale Trup Cdos as of March 31, 2016:

							Amortized Cost
Class	Amortized Cost		Fair Value		Unrealized Loss		Investment Grade		Split Rated		Below Investment Grade
Senior – Bank	$	6,668	$	5,917	$	751	$	4,527	$	0	$	2,141
Mezzanine – Bank (now in senior position)		11,383		8,263		3,120		0		0		11,383
Mezzanine – Bank		26,091		15,285		10,806		0		0		26,091
Mezzanine – Bank & Insurance (combination)		5,200		3,128		2,072		0		0		5,200
Totals	$	49,342	$	32,593	$	16,749	$	4,527	$	0	$	44,815

Roll Forward of Credit Losses on Securities

Below is a progression of the credit losses on securities which United has recorded other-than-temporary charges. These charges were recorded through earnings and other comprehensive income.

	Three Months Ended March 31
	2016		2015
Balance of cumulative credit losses at beginning of period	$	23,773	$	23,739
Additions for credit losses recognized in earnings during the period:
Additional credit losses on securities for which OTTI was previously recognized		0		34
Reductions for securities sold or paid off during the period		0		0
Balance of cumulative credit losses at end of period	$	23,773	$	23,773

Summary of Amortized Cost and Estimated Fair Values of Securities Held to Maturity

The amortized cost and estimated fair values of securities held-to-maturity are summarized as follows:

	March 31, 2016
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	10,381	$	849	$	0	$	11,230
State and political subdivisions		9,321		20		226		9,115
Residential mortgage-backed securities
Agency		34		7		0		41
Single issue trust preferred securities		19,302		0		4,141		15,161
Other corporate securities		20		0		0		20
Total	$	39,058	$	876	$	4,367	$	35,567
	December 31, 2015
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	10,425	$	860	$	0	$	11,285
State and political subdivisions		9,321		21		253		9,089
Residential mortgage-backed securities
Agency		35		6		0		41
Single issue trust preferred securities		19,298		0		3,414		15,884
Other corporate securities		20		0		0		20
Total	$	39,099	$	887	$	3,667	$	36,319

Available-for-sale Securities [Member]

Summary of Maturities of Debt Securities Held to Maturity by Amortized Cost and Estimated Fair Value

The amortized cost and estimated fair value of securities available for sale at March 31, 2016 and December 31, 2015 by contractual maturity are shown below. Expected maturities may differ from contractual maturities because the issuers may have the right to call or prepay obligations without penalties.

	March 31, 2016				December 31, 2015
			Estimated				Estimated
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
Due in one year or less	$	11,741	$	11,815	$	10,448	$	10,515
Due after one year through five years		268,067		272,458		273,469		274,158
Due after five years through ten years		214,787		223,693		213,274		216,636
Due after ten years		561,004		554,338		570,305		559,570
Marketable equity securities		5,345		5,948		4,844		5,455
Total	$	1,060,944	$	1,068,252	$	1,072,340	$	1,066,334

Held-to-maturity Securities [Member]

Summary of Maturities of Debt Securities Held to Maturity by Amortized Cost and Estimated Fair Value

The amortized cost and estimated fair value of debt securities held to maturity at March 31, 2016 and December 31, 2015 by contractual maturity are shown below. Expected maturities may differ from contractual maturities because the issuers may have the right to call or prepay obligations without penalties.

	March 31, 2016				December 31, 2015
	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value
Due in one year or less	$	5,009	$	5,042	$	5,029	$	5,121
Due after one year through five years		9,648		10,481		9,672		10,458
Due after five years through ten years		4,045		3,822		4,045		3,794
Due after ten years		20,356		16,222		20,353		16,946
Total	$	39,058	$	35,567	$	39,099	$	36,319

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Loans (Tables)

3 Months Ended

Mar. 31, 2016

Receivables [Abstract]

Major Classes of Loans

Major classes of loans are as follows:

	March 31, 2016		December 31, 2015
Commercial, financial and agricultural:
Owner-occupied commercial real estate	$	918,334	$	927,746
Nonowner-occupied commercial real estate		2,944,573		2,896,367
Other commercial loans		1,572,060		1,602,222
Total commercial, financial & agricultural		5,434,967		5,426,335
Residential real estate		2,272,589		2,268,685
Construction & land development		1,222,119		1,273,054
Consumer:
Bankcard		12,038		11,653
Other consumer		451,487		419,225
Total gross loans	$	9,393,200	$	9,398,952

Activity for Accretable Yield

Activity for the accretable yield for the first quarter of 2016 follows:

Accretable yield at the beginning of the period	$	12,156
Accretion (including cash recoveries)		(2,781	)
Net reclassifications to accretable from non-accretable		3,582
Disposals (including maturities, foreclosures, and charge-offs)		(705	)
Accretable yield at the end of the period	$	12,252

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Credit Quality (Tables)

3 Months Ended

Mar. 31, 2016

Text Block [Abstract]

Schedule of Troubled Debt Restructurings, Segregated by Class of Loans

The following table sets forth United’s troubled debt restructurings that were restructured during the three months ended March 31, 2016 and 2015, segregated by class of loans.

	Troubled Debt Restructurings
	For the Three Months Ended
	March 31, 2016						March 31, 2015
	Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment
Commercial real estate:
Owner-occupied		0	$	0	$	0		0	$	0	$	0
Nonowner-occupied		0		0		0		0		0		0
Other commercial		3		1,441		1,438		1		240		240
Residential real estate		1		1,400		1,400		0		0		0
Construction & land development		0		0		0		0		0		0
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		0		0		0		0		0		0
Total		4	$	2,841	$	2,838		1	$	240	$	240

Schedule of Age Analysis of Past Due Loans, Segregated by Class of Loans

The following table sets forth United’s age analysis of its past due loans, segregated by class of loans:

Age Analysis of Past Due Loans

As of March 31, 2016

	30-89 Days Past Due		90 Days or more Past Due		Total Past Due		Current & Other (1)		Total Financing Receivables		Recorded Investment >90 Days & Accruing
Commercial real estate:
Owner-occupied	$	9,144	$	8,851	$	17,995	$	900,339	$	918,334	$	39
Nonowner-occupied		11,872		20,252		32,124		2,912,449		2,944,573		1,530
Other commercial		19,216		43,819		63,035		1,509,025		1,572,060		361
Residential real estate		45,049		22,899		67,948		2,204,641		2,272,589		4,565
Construction & land development		4,537		15,000		19,537		1,202,582		1,222,119		178
Consumer:
Bankcard		274		170		444		11,594		12,038		170
Other consumer		7,246		1,251		8,497		442,990		451,487		1,048
Total	$	97,338	$	112,242	$	209,580	$	9,183,620	$	9,393,200	$	7,891

(1) Other includes loans with a recorded investment of $130,734 acquired and accounted for under ASC topic 310-30 “Loans and Debt Securities Acquired with Deteriorated Credit Quality”.

Age Analysis of Past Due Loans

As of December 31, 2015

	30-89 Days Past Due		90 Days or more Past Due		Total Past Due		Current & Other (1)		Total Financing Receivables		Recorded Investment >90 Days & Accruing
Commercial real estate:
Owner-occupied	$	8,639	$	9,831	$	18,470	$	909,276	$	927,746	$	400
Nonowner-occupied		24,209		26,126		50,335		2,846,032		2,896,367		552
Other commercial		14,888		33,297		48,185		1,554,037		1,602,222		3,643
Residential real estate		44,312		28,332		72,644		2,196,041		2,268,685		4,294
Construction & land development		2,412		15,416		17,828		1,255,226		1,273,054		1,347
Consumer:
Bankcard		223		168		391		11,262		11,653		168
Other consumer		9,082		1,596		10,678		408,547		419,225		1,224
Total	$	103,765	$	114,766	$	218,531	$	9,180,421	$	9,398,952	$	11,628

(1) Other includes loans with a recorded investment of $148,197 acquired and accounted for under ASC topic 310-30 “Loans and Debt Securities Acquired with Deteriorated Credit Quality”.

Schedule of Nonaccrual Loans, Segregated by Class of Loans

The following table sets forth United’s nonaccrual loans, segregated by class of loans:

Loans on Nonaccrual Status

	March 31, 2016		December 31, 2015
Commercial real estate:
Owner-occupied	$	8,812	$	9,431
Nonowner-occupied		18,722		25,574
Other commercial		43,458		29,654
Residential real estate		18,334		24,038
Construction & land development		14,822		14,069
Consumer:
Bankcard		0		0
Other consumer		203		372
Total	$	104,351	$	103,138

Schedule of Credit Quality Indicators Information, by Class of Loans

The following tables set forth United’s credit quality indicators information, by class of loans:

Credit Quality Indicators

Corporate Credit Exposure

As of March 31, 2016
	Commercial Real Estate				Other Commercial		Construction & Land Development
	Owner- occupied		Nonowner- occupied
Grade:
Pass	$	831,867	$	2,785,394	$	1,412,459	$	1,053,524
Special mention		21,056		29,385		28,849		57,897
Substandard		65,411		129,794		129,287		110,152
Doubtful		0		0		1,465		546
Total	$	918,334	$	2,944,573	$	1,572,060	$	1,222,119
As of December 31, 2015
	Commercial Real Estate				Other Commercial		Construction & Land Development
	Owner- occupied		Nonowner- occupied
Grade:
Pass	$	835,082	$	2,710,504	$	1,436,670	$	1,095,238
Special mention		20,391		32,249		26,148		59,100
Substandard		72,273		153,614		136,585		118,716
Doubtful		0		0		2,819		0
Total	$	927,746	$	2,896,367	$	1,602,222	$	1,273,054

Credit Quality Indicators

Consumer Credit Exposure

As of March 31, 2016
	Residential Real Estate		Bankcard		Other Consumer
Grade:
Pass	$	2,203,207	$	11,594	$	442,714
Special mention		16,881		274		7,356
Substandard		52,056		170		1,379
Doubtful		445		0		38
Total	$	2,272,589	$	12,038	$	451,487

As of December 31, 2015
	Residential Real Estate		Bankcard		Other Consumer
Grade:
Pass	$	2,195,420	$	11,262	$	408,271
Special mention		13,494		223		9,188
Substandard		57,981		168		1,766
Doubtful		1,790		0		0
Total	$	2,268,685	$	11,653	$	419,225

Schedule of Impaired Loans Information by Class of Loans

The following table sets forth United’s impaired loans information, by class of loans:

	Impaired Loans
	March 31, 2016						December 31, 2015
	Recorded Investment		Unpaid Principal Balance		Related Allowance		Recorded Investment		Unpaid Principal Balance		Related Allowance
With no related allowance recorded:
Commercial real estate:
Owner-occupied	$	27,976	$	28,508	$	0	$	36,615	$	36,828	$	0
Nonowner-occupied		65,019		65,469		0		69,053		69,517		0
Other commercial		28,977		30,870		0		30,433		32,158		0
Residential real estate		28,315		29,902		0		21,431		22,329		0
Construction & land development		23,785		25,844		0		28,245		29,953		0
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		27		27		0		32		32		0
With an allowance recorded:
Commercial real estate:
Owner-occupied	$	4,189	$	4,189	$	1,505	$	4,555	$	4,555	$	1,253
Nonowner-occupied		6,431		6,431		1,293		7,890		7,890		1,362
Other commercial		39,682		44,623		20,638		29,486		33,127		18,269
Residential real estate		12,313		13,048		2,324		13,305		14,625		2,118
Construction & land development		12,565		18,217		4,721		14,132		20,135		4,789
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		0		0		0		0		0		0
Total:
Commercial real estate:
Owner-occupied	$	32,165	$	32,697	$	1,505	$	41,170	$	41,383	$	1,253
Nonowner-occupied		71,450		71,900		1,293		76,943		77,407		1,362
Other commercial		68,659		75,493		20,638		59,919		65,285		18,269
Residential real estate		40,628		42,950		2,324		34,736		36,954		2,118
Construction & land development		36,350		44,061		4,721		42,377		50,088		4,789
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		27		27		0		32		32		0

	Impaired Loans
	For the Three Months Ended
	March 31, 2016				March 31, 2015
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
With no related allowance recorded:
Commercial real estate:
Owner-occupied	$	32,295	$	59	$	40,843	$	62
Nonowner-occupied		67,036		207		55,463		163
Other commercial		29,705		100		37,081		100
Residential real estate		24,873		140		30,814		49
Construction & land development		26,015		27		52,445		79
Consumer:
Bankcard		0		0		0		0
Other consumer		29		0		40		0
With an allowance recorded:
Commercial real estate:
Owner-occupied	$	4,372	$	27	$	4,988	$	38
Nonowner-occupied		7,160		43		6,981		39
Other commercial		34,583		130		18,695		64
Residential real estate		12,809		6		6,359		11
Construction & land development		13,349		42		10,287		35
Consumer:
Bankcard		0		0		0		0
Other consumer		0		0		0		0
Total:
Commercial real estate:
Owner-occupied	$	36,667	$	86	$	45,831	$	100
Nonowner-occupied		74,196		250		62,444		202
Other commercial		64,288		230		55,776		164
Residential real estate		37,682		146		37,173		60
Construction & land development		39,364		69		62,732		114
Consumer:
Bankcard		0		0		0		0
Other consumer		29		0		40		0

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Allowance for Credit Losses (Tables)

3 Months Ended

Mar. 31, 2016

Receivables [Abstract]

Schedule of Allowance for Loan Losses and Carrying Amount of Loans

A progression of the allowance for loan losses, by loan portfolio segment, for the three months ended March 31, 2016 and year ended December 31, 2015 are summarized as follows:

Allowance for Loan Losses and Carrying Amount of Loans

For the Three Months Ended March 31, 2016

	Commercial Real Estate						Other Commercial			Residential Real Estate			Construction & Land Development			Consumer			Allowance for Estimated Imprecision			Total
	Owner- occupied			Nonowner- occupied
Allowance for Loan Losses:
Beginning balance	$	3,637		$	5,309		$	31,328		$	15,148		$	18,205		$	1,995		$	104		$	75,726
Charge-offs		(1,345	)		(363	)		(3,754	)		(709	)		(0	)		(775	)		(0	)		(6,946	)
Recoveries		781			504			980			211			59			140			0			2,675
Provision		2,275			751			4,086			(1,103	)		(2,998	)		913			111			4,035
Ending balance	$	5,348		$	6,201		$	32,640		$	13,547		$	15,266		$	2,273		$	215		$	75,490
Ending Balance: individually evaluated for impairment	$	1,505		$	1,293		$	20,638		$	2,325		$	4,722		$	0		$	0		$	30,483
Ending Balance: collectively evaluated for impairment	$	3,843		$	4,908		$	12,002		$	11,222		$	10,544		$	2,273		$	215		$	45,007
Ending Balance: loans acquired with deteriorated credit quality	$	0		$	0		$	0		$	0		$	0		$	0		$	0		$	0
Financing receivables:
Ending balance	$	918,334		$	2,944,573		$	1,572,060		$	2,272,589		$	1,222,119		$	463,525		$	0		$	9,393,200
Ending Balance: individually evaluated for impairment	$	11,796		$	20,744		$	45,253		$	14,603		$	15,456		$	0		$	0		$	107,852
Ending Balance: collectively evaluated for impairment	$	888,869		$	2,872,875		$	1,505,804		$	2,245,904		$	1,177,673		$	463,489		$	0		$	9,154,614
Ending Balance: loans acquired with deteriorated credit quality	$	17,669		$	50,954		$	21,003		$	12,082		$	28,990		$	36		$	0		$	130,734

Allowance for Loan Losses and Carrying Amount of Loans

For the Year Ended December 31, 2015

	Commercial Real Estate						Other Commercial			Residential Real Estate			Construction & Land Development			Consumer			Allowance for Estimated Imprecision			Total
	Owner- occupied			Nonowner- occupied
Allowance for Loan Losses:
Beginning balance	$	4,041		$	8,167		$	26,931		$	13,835		$	19,402		$	3,083		$	70		$	75,529
Charge-offs		(4,755	)		(1,120	)		(10,042	)		(6,411	)		(862	)		(2,309	)		(0	)		(25,499	)
Recoveries		829			74			714			495			511			499			0			3,122
Provision		3,522			(1,812	)		13,725			7,229			(846	)		722			34			22,574
Ending balance	$	3,637		$	5,309		$	31,328		$	15,148		$	18,205		$	1,995		$	104		$	75,726
Ending Balance: individually evaluated for impairment	$	1,253		$	1,362		$	18,269		$	2,119		$	4,789		$	0		$	0		$	27,792
Ending Balance: collectively evaluated for impairment	$	2,384		$	3,947		$	13,059		$	13,029		$	13,416		$	1,995		$	104		$	47,934
Ending Balance: loans acquired with deteriorated credit quality	$	0		$	0		$	0		$	0		$	0		$	0		$	0		$	0
Financing receivables:
Ending balance	$	927,746		$	2,896,367		$	1,602,222		$	2,268,685		$	1,273,054		$	430,878		$	0		$	9,398,952
Ending Balance: individually evaluated for impairment	$	12,670		$	26,152		$	35,342		$	17,782		$	15,779		$	0		$	0		$	107,725
Ending Balance: collectively evaluated for impairment	$	888,802		$	2,817,748		$	1,546,018		$	2,237,865		$	1,221,760		$	430,837		$	0		$	9,143,030
Ending Balance: loans acquired with deteriorated credit quality	$	26,274		$	52,467		$	20,862		$	13,038		$	35,515		$	41		$	0		$	148,197

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Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Intangible Assets

The following is a summary of intangible assets subject to amortization and those not subject to amortization:

	As of March 31, 2016
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Amortized intangible assets:
Core deposit intangible assets	$	60,577	($	43,482	)	$	17,095
Goodwill not subject to amortization						$	710,252
	As of December 31, 2015
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Amortized intangible assets:
Core deposit intangible assets	$	60,577	($	42,737	)	$	17,840
Goodwill not subject to amortization						$	710,252

Schedule of Anticipated Amortization Expense

The following table sets forth the anticipated amortization expense for intangible assets for the years subsequent to 2015:

Year	Amount
2016	$	2,981
2017		2,767
2018		2,574
2019		2,476
2020 and thereafter		7,042

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Long-Term Borrowings (Tables)

3 Months Ended

Mar. 31, 2016

Debt Disclosure [Abstract]

Schedule of Maturities of FHLB Borrowings

The scheduled maturities of these FHLB borrowings are as follows:

Year	Amount
2016	$	850,599
2017		256
2018		0
2019		35,000
2020 and thereafter		0
Total	$	885,855

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Derivative Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments

The following table sets forth certain information regarding the interest rate derivatives portfolio used for interest-rate risk management purposes and designated as accounting hedges under the Derivatives and Hedging topic at March 31, 2016.

Derivative Classifications and Hedging Relationships March 31, 2016
	Notional Amount		Average Pay Rate
Fair Value Hedges:
Pay Fixed Swaps (Hedging Commercial Loans)	$	96,830		3.64	%
Total Derivatives Used in Fair Value Hedges	$	96,830
Total Derivatives Used for Interest Rate Risk Management and Designated as Hedges	$	96,930

Schedule of Fair Value Derivative Financial Instruments

The following tables summarize the fair value of United’s derivative financial instruments.

	Asset Derivatives
	March 31, 2016				December 31, 2015
	Balance Sheet Location		Fair Value		Balance Sheet Location		Fair Value
Derivatives designated as hedging instruments
Interest rate contracts		Other assets	$	0		Other assets	$	0
Total derivatives designated as hedging instruments			$	0			$	0
Derivatives not designated as hedging instruments
Interest rate contracts		Other assets	$	3,164		Other assets	$	2,942
Total derivatives not designated as hedging instruments			$	3,164			$	2,942
Total asset derivatives			$	3,164			$	2,942
	Liability Derivatives
	March 31, 2016				December 31, 2015
	Balance Sheet Location		Fair Value		Balance Sheet Location		Fair Value
Derivatives designated as hedging instruments
Interest rate contracts		Other liabilities	$	4,807		Other liabilities	$	1,179
Total derivatives designated as hedging instruments			$	4,807			$	1,179
Derivatives not designated as hedging instruments
Interest rate contracts		Other liabilities	$	3,164		Other liabilities	$	2,942
Total derivatives not designated as hedging instruments			$	3,164			$	2,942
Total liability derivatives			$	7,971			$	4,121

Schedule of Derivative Financial Instruments on Statement of Income

The effect of United’s derivative financial instruments on it Consolidated Statement of Income for the first three months ended March 31, 2016 and 2015 is presented below:

				Three Months Ended
	Income  Statement Location			March 31, 2016		March 31, 2015
Derivatives in fair value hedging relationships
Interest rate contracts		Interest income/	(expense)	$	281	$	(424	)
Total derivatives in fair value hedging relationships				$	281	$	(424	)
Derivatives not designated as hedging instruments
Interest rate contracts (1)		Other income		$	0	$	0
Total derivatives not designated as hedging instruments				$	0	$	0
Total derivatives				$	281	$	(424	)

(1) Represents net gains and net losses from derivative assets not designated as hedging instruments.

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Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2016

Fair Value Disclosures [Abstract]

Schedule of Financial Assets and Liabilities Measured at Fair Value

The following tables present the balances of financial assets and liabilities measured at fair value on a recurring basis as of March 31, 2016 and December 31, 2015, segregated by the level of the valuation inputs within the fair value hierarchy.

			Fair Value at March 31, 2016 Using
Description	Balance as of March 31, 2016		Quoted Prices in  Active Markets  for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Available for sale debt securities:
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	73,356	$	0	$	73,356	$	0
State and political subdivisions		135,829		0		135,829		0
Residential mortgage-backed securities
Agency		477,292		0		477,292		0
Non-agency		8,754		0		8,754		0
Asset-backed securities		2,637		0		2,637		0
Commercial mortgage-backed securities
Agency		305,802		0		305,802		0
Trust preferred collateralized debt obligations		32,593		0		0		32,593
Single issue trust preferred securities		10,960		0		10,960		0
Other corporate securities		15,081		0		15,081		0
Total available for sale debt securities		1,062,304		0		1,029,711		32,593
Available for sale equity securities:
Financial services industry		3,186		757		2,429		0
Equity mutual funds (1)		1,623		1,623		0		0
Other equity securities		1,139		1,139		0		0
Total available for sale equity securities		5,948		3,519		2,429		0
Total available for sale securities		1,068,252		3,519		1,032,140		32,593
Derivative financial assets:
Interest rate contracts		3,164		0		3,164		0
Liabilities
Derivative financial liabilities:
Interest rate contracts		7,971		0		7,971		0

(1) The equity mutual funds are within a rabbi trust for the payment of benefits under a deferred compensation plan for certain key officers of United and its subsidiaries.

			Fair Value at December 31, 2015 Using
Description	Balance as  of December 31, 2015		Quoted Prices in  Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Available for sale debt securities:
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	73,786	$	0	$	73,786	$	0
State and political subdivisions		133,778		0		133,778		0
Residential mortgage-backed securities
Agency		477,982		0		477,982		0
Non-agency		9,571		0		9,571		0
Asset-backed securities		3,399		0		3,399		0
Commercial mortgage-backed securities
Agency		305,935		0		305,935		0
Trust preferred collateralized debt obligations		34,686		0		0		34,686
Single issue trust preferred securities		11,693		0		11,693		0
Other corporate securities		10,049		0		10,049		0
Total available for sale debt securities		1,060,879		0		1,026,193		34,686
Available for sale equity securities:
Financial services industry		2,723		800		1,923		0
Equity mutual funds (1)		1,596		1,596		0		0
Other equity securities		1,136		1,136		0		0
Total available for sale equity securities		5,455		3,532		1,923		0
Total available for sale securities		1,066,334		3,532		1,028,116		34,686
Derivative financial assets:
Interest rate contracts		2,942		0		2,942		0
Liabilities
Derivative financial liabilities:
Interest rate contracts		4,121		0		4,121		0

(1) The equity mutual funds are within a rabbi trust for the payment of benefits under a deferred compensation plan for certain key officers of United and its subsidiaries.

Schedule of Additional Information about Financial Assets and Liabilities Measured at Fair Value Utilized Level 3

The following table presents additional information about financial assets and liabilities measured at fair value at March 31, 2016 and December 31, 2015 on a recurring basis and for which United has utilized Level 3 inputs to determine fair value:

	Available-for-sale Securities
	Trust preferred collateralized debt obligations
	March 31, 2016			December 31, 2015
Balance, beginning of period	$	34,686		$	39,558
Total gains or losses (realized/unrealized):
Included in earnings (or changes in net assets)		0			(34	)
Included in other comprehensive income		(2,093	)		(4,838	)
Purchases, issuances, and settlements		0			0
Transfers in and/or out of Level 3		0			0
Balance, end of period	$	32,593		$	34,686
The amount of total gains or losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to assets still held at reporting date		0			0

Summary of Financial Assets Measured at Fair Value on Nonrecurring Basis

The following table summarizes United’s financial assets that were measured at fair value on a nonrecurring basis during the period.

Description	Balance as  of March 31, 2016		Carrying value at March 31, 2016						YTD Losses
			Quoted Prices in  Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Impaired Loans	$	75,180	$	0	$	34,171	$	41,009	$	2,504
OREO		28,981		0		27,266		1,715		338
Description	Balance as of December 31, 2015		Carrying value at December 31, 2015						YTD Losses
			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Impaired Loans	$	69,368	$	0	$	29,186	$	40,182	$	8,485
OREO		32,228		0		32,228		0		1,141

Summary of Estimated Fair Values of Financial Instruments

The estimated fair values of United’s financial instruments are summarized below:

					Fair Value Measurements
	Carrying Amount		Fair Value		Quoted Prices in Active Markets  for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
March 31, 2016
Cash and cash equivalents	$	904,841	$	904,841	$	0	$	904,841	$	0
Securities available for sale		1,068,252		1,068,252		3,519		1,032,140		32,593
Securities held to maturity		39,058		35,567		0		32,547		3,020
Other securities		100,000		95,000		0		0		95,000
Loans held for sale		5,395		5,395		0		5,395		0
Loans		9,302,903		9,350,404		0		0		9,350,404
Derivative financial assets		3,164		3,164		0		3,164		0
Deposits		9,324,568		9,310,035		0		9,310,035		0
Short-term borrowings		417,082		417,082		0		417,082		0
Long-term borrowings		1,035,071		1,007,356		0		1,007,356		0
Derivative financial liabilities		7,971		7,971		0		7,971		0
December 31, 2015
Cash and cash equivalents	$	857,335	$	857,335	$	0	$	857,335	$	0
Securities available for sale		1,066,334		1,066,334		3,532		1,028,116		34,686
Securities held to maturity		39,099		36,320		0		33,300		3,020
Other securities		98,749		93,811		0		0		93,811
Loans held for sale		10,681		10,681		0		10,681		0
Loans		9,308,354		9,289,463		0		0		9,289,463
Derivative financial assets		2,942		2,942		0		2,942		0
Deposits		9,341,527		9,332,451		0		9,332,451		0
Short-term borrowings		423,028		423,028		0		423,028		0
Long-term borrowings		1,015,249		988,270		0		988,270		0
Derivative financial liabilities		4,121		4,121		0		4,121		0

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Stock Based Compensation (Tables)

3 Months Ended

Mar. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Stock Option Plans

A summary of activity under United’s stock option plans as of March 31, 2016, and the changes during the first three months of 2016 are presented below:

	Three Months Ended March 31, 2016
						Weighted Average
	Shares			Aggregate Intrinsic Value		Remaining Contractual Term (Yrs.)		Exercise Price
Outstanding at January 1, 2016		1,207,110						$	28.15
Granted		189,780							35.04
Exercised		(42,441	)						19.43
Forfeited or expired		(8,694	)						32.95
Outstanding at March 31, 2016		1,345,755		$	9,905		6.5	$	29.37
Exercisable at March 31, 2016		900,457		$	8,531		5.3	$	27.24

Status of United's Nonvested Stock Option Awards

The following table summarizes the status of United’s nonvested stock option awards during the first three months of 2016:

	Shares			Weighted-Average Grant Date Fair Value Per Share
Nonvested at January 1, 2016		426,395		$	6.68
Granted		189,780			6.97
Vested		(162,183	)		6.59
Forfeited or expired		(8,694	)		6.81
Nonvested at March 31, 2016		445,298		$	6.84

Changes to United's Restricted Common Shares

The following summarizes the changes to United’s restricted common shares for the period ended March 31, 2016:

	Number of Shares			Weighted-Average Grant Date Fair Value Per Share
Outstanding at January 1, 2016		129,772		$	31.69
Granted		64,092			35.04
Vested		(49,179	)		30.51
Forfeited		(3,288	)		32.16
Outstanding at March 31, 2016		141,397		$	33.60

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Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2016

Compensation and Retirement Disclosure [Abstract]

Net Periodic Pension Cost

Net periodic pension cost for the three months ended March 31, 2016 and 2015 included the following components:

	Three Months Ended March 31
	2016			2015
Service cost	$	607		$	740
Interest cost		1,456			1,430
Expected return on plan assets		(2,012	)		(2,293	)
Amortization of transition asset		0			0
Recognized net actuarial loss		1,148			1,208
Amortization of prior service cost		0			0
Net periodic pension (benefit) cost	$	1,199		$	1,085
Weighted-Average Assumptions:
Discount rate		4.75	%		4.35	%
Expected return on assets		7.25	%		7.50	%
Rate of compensation increase (prior to age 45)		3.50	%		3.50	%
Rate of compensation increase		3.00	%		3.00	%

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Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2016

Equity [Abstract]

Components of Total Comprehensive Income

The components of total comprehensive income for the three months ended March 31, 2016 and 2015 are as follows:

	Three Months Ended March 31
	2016			2015
Net Income	$	34,706		$	34,627
Available for sale (“AFS”) securities:
AFS securities with OTTI charges during the period		0			(100	)
Related income tax effect		0			36
Less : OTTI charges recognized in net income		0			34
Related income tax benefit		0			(12	)
Reclassification of previous noncredit OTTI to credit OTTI		0			0
Related income tax benefit		0			0
Net unrealized gain (loss) on AFS securities with OTTI		0			(42	)
AFS securities – all other:
Change in net unrealized gain on AFS securities arising during the period		13,317			8,471
Related income tax effect		(4,821	)		(3,066	)
Net reclassification adjustment for losses (gains) included in net income		(4	)		(46	)
Related income tax (benefit) expense		1			17
		8,493			5,376
Net effect of AFS securities on other comprehensive income		8,493			5,334
Held to maturity (“HTM”) securities:
Accretion on the unrealized loss for securities transferred from AFS to the HTM investment portfolio prior to call or maturity		1			1
Related income tax expense		(0	)		(0	)
Net effect of HTM securities on other comprehensive income		1			1
Pension plan:
Recognized net actuarial loss		1,148			1,208
Related income tax benefit		(419	)		(440	)
Net effect of change in pension plan asset on other comprehensive income		729			768
Total change in other comprehensive income		9,223			6,103
Total Comprehensive Income	$	43,929		$	40,730

Components of Accumulated Other Comprehensive Income

The components of accumulated other comprehensive income for the three months ended March 31, 2016 are as follows:

Changes in Accumulated Other Comprehensive Income (AOCI) by Component ^(a)

For the Three Months Ended March 31, 2016

	Unrealized Gains/Losses on AFS Securities			Accretion on the unrealized loss for securities transferred from AFS to the HTM			Defined Benefit Pension Items			Total
Balance at January 1, 2016	($	2,515	)	($	57	)	($	35,640	)	($	38,212	)
Other comprehensive income before reclassification		8,496			1			0			8,497
Amounts reclassified from accumulated other comprehensive income		(3	)		0			729			726
Net current-period other comprehensive income, net of tax		8,493			1			729			9,223
Balance at March 31, 2016	$	5,978		($	56	)	($	34,911	)	($	28,989	)

(a) All amounts are net-of-tax.

Reclassifications Out of Accumulated Other Comprehensive Income

Reclassifications out of Accumulated Other Comprehensive Income (AOCI)

For the Three Months Ended March 31, 2016

Details about AOCI Components	Amount Reclassified from AOCI			Affected Line Item in the Statement Where Net Income is Presented
Available for sale (“AFS”) securities:
Reclassification of previous noncredit OTTI to credit OTTI	$	0		Total other-than-temporary impairment losses
Net reclassification adjustment for losses (gains) included in net income		(4	)	Net gains on sales/calls of investment securities
		(4	)	Total before tax
Related income tax effect		1		Tax expense
		(3	)	Net of tax
Pension plan:
Recognized net actuarial loss		1,148	(a)
		1,148		Total before tax
Related income tax effect		(419	)	Tax expense
		729		Net of tax
Total reclassifications for the period	$	726

(a) This AOCI component is included in the computation of net periodic pension cost (see Note 14, Employee Benefit Plans)

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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Reconciliation of Numerator and Denominator of Basic Earnings Per Share with that of Diluted Earnings Per Share

The reconciliation of the numerator and denominator of basic earnings per share with that of diluted earnings per share is presented as follows:

	Three Months Ended March 31
	2016		2015
Distributed earnings allocated to common stock	$	22,954	$	22,167
Undistributed earnings allocated to common stock		11,688		12,399
Net earnings allocated to common shareholders	$	34,642	$	34,566
Average common shares outstanding		69,497,489		69,207,508
Common stock equivalents		216,632		269,336
Average diluted shares outstanding		69,714,121		69,476,844
Earnings per basic common share	$	0.50	$	0.50
Earnings per diluted common share	$	0.50	$	0.50

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Variable Interest Entities (Tables)

3 Months Ended

Mar. 31, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Information Related to Statutory Trusts

Information related to United’s statutory trusts is presented in the table below:

Description	Issuance Date	Amount of Capital Securities Issued		Interest Rate	Maturity Date
Century Trust	March 23, 2000	$	8,800	10.875% Fixed	March 8, 2030
United Statutory Trust III	December 17, 2003	$	20,000	3-month LIBOR + 2.85%	December 17, 2033
United Statutory Trust IV	December 19, 2003	$	25,000	3-month LIBOR + 2.85%	January 23, 2034
United Statutory Trust V	July 12, 2007	$	50,000	3-month LIBOR + 1.55%	October 1, 2037
United Statutory Trust VI	September 20, 2007	$	30,000	3-month LIBOR + 1.30%	December 15, 2037
Premier Statutory Trust II	September 25, 2003	$	6,000	3-month LIBOR + 3.10%	October 8, 2033
Premier Statutory Trust III	May 16, 2005	$	8,000	3-month LIBOR + 1.74%	June 15, 2035
Premier Statutory Trust IV	June 20, 2006	$	14,000	3-month LIBOR + 1.55%	September 23, 2036
Premier Statutory Trust V	December 14, 2006	$	10,000	3-month LIBOR + 1.61%	March 1, 2037
Centra Statutory Trust I	September 20, 2004	$	10,000	3-month LIBOR + 2.29%	September 20, 2034
Centra Statutory Trust II	June 15, 2006	$	10,000	3-month LIBOR + 1.65%	July 7, 2036
Virginia Commerce Trust II	December 19, 2002	$	15,000	6-month LIBOR + 3.30%	December 19, 2032
Virginia Commerce Trust III	December 20, 2005	$	25,000	3-month LIBOR + 1.42%	February 23, 2036

Summary of Quantitative Information Related to Significant Involvement in Unconsolidated Variable Interest Entities

The following table summarizes quantitative information about United’s significant involvement in unconsolidated VIEs:

	As of March 31, 2016						As of December 31, 2015
	Aggregate Assets		Aggregate Liabilities		Risk Of Loss (1)		Aggregate Assets		Aggregate Liabilities		Risk Of Loss (1)
Trust preferred securities	$	240,435	$	232,436	$	7,999	$	240,468	$	232,492	$	7,976

(1) Represents investment in VIEs.

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Mergers and Acquisitions - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Total assets	$ 12,606,884	$ 12,577,944
Business acquisition, share price	$ 39.73
Bank of Georgetown [Member]
Business Acquisition [Line Items]
Total assets	$ 1,300,000
Outstanding common stock acquired	100.00%
Exchange ratio	0.9313
Business acquisition, share price	$ 37.00

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Investment Securities - Summary of Amortized Cost and Estimated Fair Values of Available for Sale Securities (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Schedule of Investments [Line Items]
Amortized Cost	$ 1,060,944	$ 1,072,340
Gross Unrealized Gains	27,479	14,388
Gross Unrealized Losses	20,171	20,394
Estimated Fair Value	1,068,252	1,066,334
Cumulative OTTI in AOCI	26,410	26,410
U.S. Treasury Securities and Obligations of U.S. Government Corporations and Agencies [Member]
Schedule of Investments [Line Items]
Amortized Cost	70,152	71,993
Gross Unrealized Gains	3,204	1,793
Gross Unrealized Losses	0	0
Estimated Fair Value	73,356	73,786
Cumulative OTTI in AOCI	0	0
State and Political Subdivisions [Member]
Schedule of Investments [Line Items]
Amortized Cost	131,953	130,685
Gross Unrealized Gains	3,909	3,144
Gross Unrealized Losses	33	51
Estimated Fair Value	135,829	133,778
Cumulative OTTI in AOCI	0	0
Residential Mortgage-Backed Securities, Agency [Member]
Schedule of Investments [Line Items]
Amortized Cost	465,513	473,109
Gross Unrealized Gains	11,840	5,580
Gross Unrealized Losses	61	707
Estimated Fair Value	477,292	477,982
Cumulative OTTI in AOCI	0	0
Residential Mortgage-Backed Securities, Non-agency [Member]
Schedule of Investments [Line Items]
Amortized Cost	8,585	9,119
Gross Unrealized Gains	176	457
Gross Unrealized Losses	7	5
Estimated Fair Value	8,754	9,571
Cumulative OTTI in AOCI	458	458
Commercial Mortgage-Backed Securities, Agency [Member]
Schedule of Investments [Line Items]
Amortized Cost	299,095	305,990
Gross Unrealized Gains	6,729	1,843
Gross Unrealized Losses	22	1,898
Estimated Fair Value	305,802	305,935
Cumulative OTTI in AOCI	0	0
Asset-Backed Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	2,640	3,404
Gross Unrealized Gains	0	0
Gross Unrealized Losses	3	5
Estimated Fair Value	2,637	3,399
Cumulative OTTI in AOCI	0	0
Trust Preferred Collateralized Debt Obligations [Member]
Schedule of Investments [Line Items]
Amortized Cost	49,342	49,386
Gross Unrealized Gains	686	635
Gross Unrealized Losses	17,435	15,335
Estimated Fair Value	32,593	34,686
Cumulative OTTI in AOCI	25,952	25,952
Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	13,325	13,811
Gross Unrealized Gains	234	249
Gross Unrealized Losses	2,599	2,367
Estimated Fair Value	10,960	11,693
Cumulative OTTI in AOCI	0	0
Corporate Bonds [Member]
Schedule of Investments [Line Items]
Amortized Cost	14,994	9,999
Gross Unrealized Gains	87	50
Gross Unrealized Losses	0	0
Estimated Fair Value	15,081	10,049
Cumulative OTTI in AOCI	0	0
Marketable Equity Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	5,345	4,844
Gross Unrealized Gains	614	637
Gross Unrealized Losses	11	26
Estimated Fair Value	5,948	5,455
Cumulative OTTI in AOCI	$ 0	$ 0

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Investment Securities - Summary of Securities Available for Sale in an Unrealized Loss Position (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Schedule of Investments [Line Items]
Less than 12 months, Fair Value	$ 34,529	$ 288,156
Less than 12 months, Unrealized Losses	1,113	2,983
12 months or longer, Fair Value	49,901	41,608
12 months or longer, Unrealized Losses	19,058	17,411
U.S. Treasury Securities and Obligations of U.S. Government Corporations and Agencies [Member]
Schedule of Investments [Line Items]
Less than 12 months, Fair Value	0	0
Less than 12 months, Unrealized Losses	0	0
12 months or longer, Fair Value	0	0
12 months or longer, Unrealized Losses	0	0
State and Political Subdivisions [Member]
Schedule of Investments [Line Items]
Less than 12 months, Fair Value	13,041	15,550
Less than 12 months, Unrealized Losses	33	51
12 months or longer, Fair Value	0	0
12 months or longer, Unrealized Losses	0	0
Residential Mortgage-Backed Securities, Agency [Member]
Schedule of Investments [Line Items]
Less than 12 months, Fair Value	12,246	90,004
Less than 12 months, Unrealized Losses	47	707
12 months or longer, Fair Value	10,025	0
12 months or longer, Unrealized Losses	14	0
Residential Mortgage-Backed Securities, Non-agency [Member]
Schedule of Investments [Line Items]
Less than 12 months, Fair Value	299	348
Less than 12 months, Unrealized Losses	7	5
12 months or longer, Fair Value	0	0
12 months or longer, Unrealized Losses	0	0
Commercial Mortgage-Backed Securities, Agency [Member]
Schedule of Investments [Line Items]
Less than 12 months, Fair Value	0	170,340
Less than 12 months, Unrealized Losses	0	1,650
12 months or longer, Fair Value	9,424	9,255
12 months or longer, Unrealized Losses	22	248
Asset-Backed Securities [Member]
Schedule of Investments [Line Items]
Less than 12 months, Fair Value	2,637	3,399
Less than 12 months, Unrealized Losses	3	5
12 months or longer, Fair Value	0	0
12 months or longer, Unrealized Losses	0	0
Trust Preferred Collateralized Debt Obligations [Member]
Schedule of Investments [Line Items]
Less than 12 months, Fair Value	1,029	3,304
Less than 12 months, Unrealized Losses	276	135
12 months or longer, Fair Value	26,628	28,633
12 months or longer, Unrealized Losses	17,159	15,200
Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Less than 12 months, Fair Value	3,900	4,225
Less than 12 months, Unrealized Losses	736	404
12 months or longer, Fair Value	3,824	3,720
12 months or longer, Unrealized Losses	1,863	1,963
Marketable Equity Securities [Member]
Schedule of Investments [Line Items]
Less than 12 months, Fair Value	1,377	986
Less than 12 months, Unrealized Losses	11	26
12 months or longer, Fair Value	0	0
12 months or longer, Unrealized Losses	$ 0	$ 0

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Investment Securities - Summary of Gains or Losses on Proceeds from Maturities, Sales and Calls of Available for Sale Securities by Specific Identification Method (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Investments, Debt and Equity Securities [Abstract]
Proceeds from sales and calls	$ 34,999	$ 36,087
Gross realized gains	6	50
Gross realized losses	$ 2	$ 4

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Investment Securities - Additional Information (Detail)	3 Months Ended		96 Months Ended
	Mar. 31, 2016 USD ($) Securities	Mar. 31, 2015 USD ($)	Dec. 31, 2007 USD ($)	Dec. 31, 2015 USD ($)
Schedule of Investments [Line Items]
Gross unrealized losses on available for sale securities	$ 20,171,000			$ 20,394,000
Available for sale securities in unrealized loss position | Securities	49
Available for sale securities in portfolio, number | Securities	453
Amortized cost of available for sale securities	$ 1,060,944,000			1,072,340,000
Capitalization of banks, equal to or greater than, in the single-issue trust preferred portfolio	10,000,000,000
Noncredit-related other-than-temporary impairment recognized	$ 26,410,000			26,410,000
New issuance of Preferred Stock estimated			$ 60,000,000,000
Security other-than-temporarily impaired	100.00%
Amortized cost of equity securities	$ 5,345,000
Gross realized gains	0	$ 0
Gross realized losses	0	$ 0
Carrying value of securities pledged	1,000,586,000			986,982,000
TRUP CDOs [Member]
Schedule of Investments [Line Items]
Credit-related other-than-temporary impairment recognized in earnings	34,000
Noncredit-related other-than-temporary impairment recognized	25,952,000			25,952,000
Wells Fargo [Member]
Schedule of Investments [Line Items]
Amortized cost of trust preferred securities	9,917,000
SunTrust Bank [Member]
Schedule of Investments [Line Items]
Amortized cost of trust preferred securities	7,411,000
Royal Bank of Scotland [Member]
Schedule of Investments [Line Items]
Amortized cost of trust preferred securities	$ 975,000
Minimum [Member]
Schedule of Investments [Line Items]
Other-than-temporarily impaired, the collateralization ratios	98.40%
Maximum [Member]
Schedule of Investments [Line Items]
Other-than-temporarily impaired, the collateralization ratios	308.40%
Median [Member]
Schedule of Investments [Line Items]
Other-than-temporarily impaired, the collateralization ratios	156.90%
Weighted Average [Member]
Schedule of Investments [Line Items]
Other-than-temporarily impaired, the collateralization ratios	211.50%
Investment Grade [Member]
Schedule of Investments [Line Items]
Amortized cost of available for sale single issue trust preferred securities	$ 3,002,000
Investment Grade [Member] | TRUP CDOs [Member]
Schedule of Investments [Line Items]
Amortized cost of available for sale securities	4,527,000
Below Investment Grade [Member]
Schedule of Investments [Line Items]
Amortized cost of available for sale single issue trust preferred securities	5,687,000
Below Investment Grade [Member] | TRUP CDOs [Member]
Schedule of Investments [Line Items]
Amortized cost of available for sale securities	39,260,000
Split Rated [Member]
Schedule of Investments [Line Items]
Amortized cost of available for sale single issue trust preferred securities	4,636,000
Residential Mortgage-Backed Securities, Non-agency [Member]
Schedule of Investments [Line Items]
Gross unrealized losses on available for sale securities	7,000			5,000
Amortized cost of available for sale securities	8,585,000			9,119,000
Credit-related other-than-temporary impairment recognized in earnings	0
Noncredit-related other-than-temporary impairment recognized in accumulated other comprehensive income (loss)	0
Noncredit-related other-than-temporary impairment recognized	$ 458,000			458,000
Residential Mortgage-Backed Securities, Non-agency [Member] | Originated Prior to 2005 [Member]
Schedule of Investments [Line Items]
Percentage of portfolio of non-agency mortgage backed securities with collateral	27.00%
Residential Mortgage-Backed Securities, Non-agency [Member] | Originated in 2006 and 2007 [Member]
Schedule of Investments [Line Items]
Percentage of portfolio of non-agency mortgage backed securities with collateral	73.00%
Residential Mortgage-Backed Securities, Non-agency [Member] | Investment Grade [Member]
Schedule of Investments [Line Items]
Amortized cost of available for sale securities	$ 1,633,000
Residential Mortgage-Backed Securities, Non-agency [Member] | Below Investment Grade [Member]
Schedule of Investments [Line Items]
Amortized cost of available for sale securities	6,952,000
Agency Mortgage Backed Securities [Member]
Schedule of Investments [Line Items]
Amortized cost of available for sale securities	764,608,000
Commercial Mortgage-Backed Securities, Agency [Member]
Schedule of Investments [Line Items]
Gross unrealized losses on available for sale securities	22,000			1,898,000
Amortized cost of available for sale securities	299,095,000			305,990,000
Noncredit-related other-than-temporary impairment recognized	0			0
Residential Mortgage-Backed Securities, Agency [Member]
Schedule of Investments [Line Items]
Gross unrealized losses on available for sale securities	61,000			707,000
Amortized cost of available for sale securities	465,513,000			473,109,000
Noncredit-related other-than-temporary impairment recognized	$ 0			$ 0

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Investment Securities - Summary of Unrealized Loss Positions of Available for Sale TRUP CDOs and Single Issue Trust Preferred Securities (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Schedule of Investments [Line Items]
Amortized Cost	$ 1,060,944	$ 1,072,340
Fair Value	1,068,252	$ 1,066,334
Trup CDOs and Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	49,342
Fair Value	32,593
Unrealized Loss	16,749
Senior - Bank [Member] | Trup CDOs and Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	6,668
Fair Value	5,917
Unrealized Loss	751
Mezzanine - Bank (now in senior position) [Member] | Trup CDOs and Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	11,383
Fair Value	8,263
Unrealized Loss	3,120
Mezzanine - Bank [Member] | Trup CDOs and Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	26,091
Fair Value	15,285
Unrealized Loss	10,806
Mezzanine - Bank & Insurance (combination) [Member] | Trup CDOs and Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	5,200
Fair Value	3,128
Unrealized Loss	2,072
Investment Grade [Member] | Trup CDOs and Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	4,527
Investment Grade [Member] | Senior - Bank [Member] | Trup CDOs and Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	4,527
Investment Grade [Member] | Mezzanine - Bank (now in senior position) [Member] | Trup CDOs and Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	0
Investment Grade [Member] | Mezzanine - Bank [Member] | Trup CDOs and Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	0
Investment Grade [Member] | Mezzanine - Bank & Insurance (combination) [Member] | Trup CDOs and Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	0
Split Rated [Member] | Trup CDOs and Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	0
Split Rated [Member] | Senior - Bank [Member] | Trup CDOs and Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	0
Split Rated [Member] | Mezzanine - Bank (now in senior position) [Member] | Trup CDOs and Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	0
Split Rated [Member] | Mezzanine - Bank [Member] | Trup CDOs and Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	0
Split Rated [Member] | Mezzanine - Bank & Insurance (combination) [Member] | Trup CDOs and Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	0
Below Investment Grade [Member] | Trup CDOs and Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	44,815
Below Investment Grade [Member] | Senior - Bank [Member] | Trup CDOs and Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	2,141
Below Investment Grade [Member] | Mezzanine - Bank (now in senior position) [Member] | Trup CDOs and Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	11,383
Below Investment Grade [Member] | Mezzanine - Bank [Member] | Trup CDOs and Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	26,091
Below Investment Grade [Member] | Mezzanine - Bank & Insurance (combination) [Member] | Trup CDOs and Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	$ 5,200

XML

Investment Securities - Roll Forward of Credit Losses on Securities (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Investments, Debt and Equity Securities [Abstract]
Cumulative credit losses, Beginning Balance	$ 23,773	$ 23,739
Additional credit losses on securities for which OTTI was previously recognized	0	34
Reductions for securities sold or paid off during the period	0	0
Cumulative credit losses, Ending Balance	$ 23,773	$ 23,773

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Investment Securities - Summary of Maturities of Securities Available for Sale by Amortized Cost and Estimated Fair Value (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Investments, Debt and Equity Securities [Abstract]
Due in one year or less, Amortized Cost	$ 11,741	$ 10,448
Due after one year through five years, Amortized Cost	268,067	273,469
Due after five years through ten years, Amortized Cost	214,787	213,274
Due after ten years, Amortized Cost	561,004	570,305
Marketable equity securities, Amortized Cost	5,345	4,844
Amortized Cost	1,060,944	1,072,340
Due in one year or less, Estimated Fair Value	11,815	10,515
Due after one year through five years, Estimated Fair Value	272,458	274,158
Due after five years through ten years, Estimated Fair Value	223,693	216,636
Due after ten years, Estimated Fair Value	554,338	559,570
Marketable equity securities, Estimated Fair Value	5,948	5,455
Total available for sale securities	$ 1,068,252	$ 1,066,334

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Investment Securities - Summary of Amortized Cost and Estimated Fair Values of Securities Held to Maturity (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Schedule of Investments [Line Items]
Amortized Cost	$ 39,058	$ 39,099
Gross Unrealized Gains	876	887
Gross Unrealized Losses	4,367	3,667
Estimated Fair Value	35,567	36,319
U.S. Treasury Securities and Obligations of U.S. Government Corporations and Agencies [Member]
Schedule of Investments [Line Items]
Amortized Cost	10,381	10,425
Gross Unrealized Gains	849	860
Gross Unrealized Losses	0	0
Estimated Fair Value	11,230	11,285
State and Political Subdivisions [Member]
Schedule of Investments [Line Items]
Amortized Cost	9,321	9,321
Gross Unrealized Gains	20	21
Gross Unrealized Losses	226	253
Estimated Fair Value	9,115	9,089
Residential Mortgage-Backed Securities, Agency [Member]
Schedule of Investments [Line Items]
Amortized Cost	34	35
Gross Unrealized Gains	7	6
Gross Unrealized Losses	0	0
Estimated Fair Value	41	41
Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	19,302	19,298
Gross Unrealized Gains	0	0
Gross Unrealized Losses	4,141	3,414
Estimated Fair Value	15,161	15,884
Corporate Bonds [Member]
Schedule of Investments [Line Items]
Amortized Cost	20	20
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	$ 20	$ 20

XML

Investment Securities - Summary of Maturities of Debt Securities Held to Maturity by Amortized Cost and Estimated Fair Value (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Investments, Debt and Equity Securities [Abstract]
Due in one year or less, Amortized Cost	$ 5,009	$ 5,029
Due after one year through five years, Amortized Cost	9,648	9,672
Due after five years through ten years, Amortized Cost	4,045	4,045
Due after ten years, Amortized Cost	20,356	20,353
Amortized Cost	39,058	39,099
Due in one year or less, Estimated Fair Value	5,042	5,121
Due after one year through five years, Estimated Fair Value	10,481	10,458
Due after five years through ten year, Estimated Fair Value	3,822	3,794
Due after ten years, Estimated Fair Value	16,222	16,946
Estimated Fair Value, Total	$ 35,567	$ 36,319

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Loans - Major Classes of Loans (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Commercial, financial, and agricultural
Total commercial, financial & agricultural	$ 5,434,967	$ 5,426,335
Residential real estate	2,272,589	2,268,685
Construction & land development	1,222,119	1,273,054
Consumer:
Bankcard	12,038	11,653
Other consumer	451,487	419,225
Total Financing Receivables	9,393,200	9,398,952
Owner-Occupied [Member]
Commercial, financial, and agricultural
Total commercial, financial & agricultural	918,334	927,746
Nonowner-Occupied [Member]
Commercial, financial, and agricultural
Total commercial, financial & agricultural	2,944,573	2,896,367
Other Commercial Loans [Member]
Commercial, financial, and agricultural
Total commercial, financial & agricultural	$ 1,572,060	$ 1,602,222

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Loans - Additional Information (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Loans held for sale	$ 5,395	$ 10,681
Acquired impaired loans from merger	$ 9,393,200	9,398,952
Percentage of acquired impaired loans from merger on total gross loans	1.39%
Recorded investment in acquired impaired loans	$ 185,985	208,765
Directors and Officers [Member]
Related party loans	267,448	$ 241,000
Maximum [Member]
Percentage of acquired impaired loans from merger on total gross loans		1.58%
Loans Acquired with Deteriorated Credit Quality [Member]
Acquired impaired loans from merger	$ 130,734	$ 148,197

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Loans - Activity for Accretable Yield (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($)
Loans [Abstract]
Accretable yield at the beginning of the period	$ 12,156
Accretion (including cash recoveries)	(2,781)
Net reclassifications to accretable from non-accretable	3,582
Disposals (including maturities, foreclosures, and charge-offs)	(705)
Accretable yield at the end of the period	$ 12,252

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Credit Quality - Additional Information (Detail) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2016 USD ($) SecurityLoan	Mar. 31, 2015 USD ($) SecurityLoan	Dec. 31, 2015 USD ($)
Receivables [Abstract]
Minimum days for discontinue of accrual interest on commercial and consumer loan	90 days
Maximum days for discontinue of accrual interest on commercial and consumer loan	120 days
Troubled debt restructuring	$ 24,156		$ 23,890
Restructured loans on nonaccrual status	11,450		11,949
Restructured loans modified by reduction in interest	2,747
Restructured loan and interest	8,776
Restructured loans modified by change in terms	12,633
Restructured loans modified by reduction in interest rate and change in terms	1,438	$ 240
Restructured loan and interest	$ 1,400
Number of loans restructured | SecurityLoan	0	0
Minimum number of days required for special mention	30 days
Maximum number of days required for special mention	89 days
Number of days required for substandard	90 days
Real estate acquired in foreclosure or other settlement of loans	$ 28,981		32,228
Recorded investment of consumer mortgage loans	$ 1,542		$ 234

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Credit Quality - Schedule of Troubled Debt Restructurings, Segregated by Class of Loans (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($) Contract	Mar. 31, 2015 USD ($) Contract
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	4	1
Pre-Modification Outstanding Recorded Investment	$ 2,841	$ 240
Post-Modification Outstanding Recorded Investment	$ 2,838	$ 240
Construction & Land Development [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0
Commercial Real Estate [Member] | Owner-Occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0
Commercial Real Estate [Member] | Nonowner-Occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0
Other Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	3	1
Pre-Modification Outstanding Recorded Investment	$ 1,441	$ 240
Post-Modification Outstanding Recorded Investment	$ 1,438	$ 240
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	1	0
Pre-Modification Outstanding Recorded Investment	$ 1,400	$ 0
Post-Modification Outstanding Recorded Investment	$ 1,400	$ 0
Consumer [Member] | Bankcard [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0
Consumer [Member] | Other Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0

XML

Credit Quality - Schedule of Age Analysis of its Past Due Loans, Segregated by Class of Loans (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 30-89 Days Past Due	$ 97,338	$ 103,765
Loans, Total Past Due	209,580	218,531
Loans, Current & Other	9,183,620	9,180,421
Total Financing Receivables	9,393,200	9,398,952
Loans, Recorded Investment >90 Days & Accruing	7,891	11,628
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, Total Past Due	112,242	114,766
Construction & Land Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 30-89 Days Past Due	4,537	2,412
Loans, Total Past Due	19,537	17,828
Loans, Current & Other	1,202,582	1,255,226
Total Financing Receivables	1,222,119	1,273,054
Loans, Recorded Investment >90 Days & Accruing	178	1,347
Construction & Land Development [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, Total Past Due	15,000	15,416
Commercial Real Estate [Member] | Owner-Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 30-89 Days Past Due	9,144	8,639
Loans, Total Past Due	17,995	18,470
Loans, Current & Other	900,339	909,276
Total Financing Receivables	918,334	927,746
Loans, Recorded Investment >90 Days & Accruing	39	400
Commercial Real Estate [Member] | Owner-Occupied [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, Total Past Due	8,851	9,831
Commercial Real Estate [Member] | Nonowner-Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 30-89 Days Past Due	11,872	24,209
Loans, Total Past Due	32,124	50,335
Loans, Current & Other	2,912,449	2,846,032
Total Financing Receivables	2,944,573	2,896,367
Loans, Recorded Investment >90 Days & Accruing	1,530	552
Commercial Real Estate [Member] | Nonowner-Occupied [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, Total Past Due	20,252	26,126
Other Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 30-89 Days Past Due	19,216	14,888
Loans, Total Past Due	63,035	48,185
Loans, Current & Other	1,509,025	1,554,037
Total Financing Receivables	1,572,060	1,602,222
Loans, Recorded Investment >90 Days & Accruing	361	3,643
Other Commercial [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, Total Past Due	43,819	33,297
Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 30-89 Days Past Due	45,049	44,312
Loans, Total Past Due	67,948	72,644
Loans, Current & Other	2,204,641	2,196,041
Total Financing Receivables	2,272,589	2,268,685
Loans, Recorded Investment >90 Days & Accruing	4,565	4,294
Residential Real Estate [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, Total Past Due	22,899	28,332
Consumer [Member] | Bankcard [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 30-89 Days Past Due	274	223
Loans, Total Past Due	444	391
Loans, Current & Other	11,594	11,262
Total Financing Receivables	12,038	11,653
Loans, Recorded Investment >90 Days & Accruing	170	168
Consumer [Member] | Bankcard [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, Total Past Due	170	168
Consumer [Member] | Other Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 30-89 Days Past Due	7,246	9,082
Loans, Total Past Due	8,497	10,678
Loans, Current & Other	442,990	408,547
Total Financing Receivables	451,487	419,225
Loans, Recorded Investment >90 Days & Accruing	1,048	1,224
Consumer [Member] | Other Consumer [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, Total Past Due	$ 1,251	$ 1,596

XML

Credit Quality - Schedule of Age Analysis of its Past Due Loans, Segregated by Class of Loans (Parenthetical) (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items]
Acquired impaired loans from merger	$ 9,393,200	$ 9,398,952
Loans Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Acquired impaired loans from merger	130,734	148,197
Loans Acquired with Deteriorated Credit Quality [Member] | Loans and Debt Securities Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Acquired impaired loans from merger	$ 130,734	$ 148,197

XML

Credit Quality - Schedule of Nonaccrual Loans, Segregated by Class of Loans (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on Nonaccrual Status	$ 104,351	$ 103,138
Construction & Land Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on Nonaccrual Status	14,822	14,069
Commercial Real Estate [Member] | Owner-Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on Nonaccrual Status	8,812	9,431
Commercial Real Estate [Member] | Nonowner-Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on Nonaccrual Status	18,722	25,574
Other Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on Nonaccrual Status	43,458	29,654
Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on Nonaccrual Status	18,334	24,038
Consumer [Member] | Bankcard [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on Nonaccrual Status	0	0
Consumer [Member] | Other Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on Nonaccrual Status	$ 203	$ 372

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Credit Quality - Schedule of Credit Quality Indicators Information, by Class of Loans (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	$ 9,393,200	$ 9,398,952
Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	2,272,589	2,268,685
Other Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	1,572,060	1,602,222
Bankcard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	12,038	11,653
Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	451,487	419,225
Owner-Occupied [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	918,334	927,746
Nonowner-Occupied [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	2,944,573	2,896,367
Construction & Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	1,222,119	1,273,054
Pass [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	2,203,207	2,195,420
Pass [Member] | Other Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	1,412,459	1,436,670
Pass [Member] | Bankcard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	11,594	11,262
Pass [Member] | Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	442,714	408,271
Pass [Member] | Owner-Occupied [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	831,867	835,082
Pass [Member] | Nonowner-Occupied [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	2,785,394	2,710,504
Pass [Member] | Construction & Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	1,053,524	1,095,238
Special Mention [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	16,881	13,494
Special Mention [Member] | Other Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	28,849	26,148
Special Mention [Member] | Bankcard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	274	223
Special Mention [Member] | Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	7,356	9,188
Special Mention [Member] | Owner-Occupied [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	21,056	20,391
Special Mention [Member] | Nonowner-Occupied [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	29,385	32,249
Special Mention [Member] | Construction & Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	57,897	59,100
Substandard [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	52,056	57,981
Substandard [Member] | Other Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	129,287	136,585
Substandard [Member] | Bankcard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	170	168
Substandard [Member] | Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	1,379	1,766
Substandard [Member] | Owner-Occupied [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	65,411	72,273
Substandard [Member] | Nonowner-Occupied [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	129,794	153,614
Substandard [Member] | Construction & Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	110,152	118,716
Doubtful [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	445	1,790
Doubtful [Member] | Other Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	1,465	2,819
Doubtful [Member] | Bankcard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	0	0
Doubtful [Member] | Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	38	0
Doubtful [Member] | Owner-Occupied [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	0	0
Doubtful [Member] | Nonowner-Occupied [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	0	0
Doubtful [Member] | Construction & Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	$ 546	$ 0

XML

Credit Quality - Schedule of Impaired Loans Information by Class of Loans (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Construction & Land Development [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, Recorded Investment, With no related allowance recorded	$ 23,785		$ 28,245
Impaired Loans, Unpaid Principal Balance, With no related allowance recorded	25,844		29,953
Impaired Loans, Recorded Investment, With an allowance recorded	12,565		14,132
Impaired Loans, Unpaid Principal Balance, With an allowance recorded	18,217		20,135
Impaired Loans, Related Allowance	4,721		4,789
Impaired Loans, Recorded Investment	36,350		42,377
Impaired Loans, Unpaid Principal Balance	44,061		50,088
Impaired Loans, Related Allowance	4,721		4,789
Impaired Loans, Average Recorded Investment, With no related allowance recorded	26,015	$ 52,445
Impaired Loans, Interest Income Recognized, With no related allowance recorded	27	79
Impaired Loans, Average Recorded Investment, With an allowance recorded	13,349	10,287
Impaired Loans, Interest Income Recognized, With an allowance recorded	42	35
Impaired Loans, Average Recorded Investment	39,364	62,732
Impaired Loans, Interest Income Recognized	69	114
Bankcard [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, Average Recorded Investment, With no related allowance recorded	0	0
Impaired Loans, Interest Income Recognized, With no related allowance recorded	0	0
Other Consumer [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, Average Recorded Investment, With no related allowance recorded	29	40
Impaired Loans, Interest Income Recognized, With no related allowance recorded	0	0
Commercial Real Estate [Member] | Owner-Occupied [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, Recorded Investment, With no related allowance recorded	27,976		36,615
Impaired Loans, Unpaid Principal Balance, With no related allowance recorded	28,508		36,828
Impaired Loans, Recorded Investment, With an allowance recorded	4,189		4,555
Impaired Loans, Unpaid Principal Balance, With an allowance recorded	4,189		4,555
Impaired Loans, Related Allowance	1,505		1,253
Impaired Loans, Recorded Investment	32,165		41,170
Impaired Loans, Unpaid Principal Balance	32,697		41,383
Impaired Loans, Related Allowance	1,505		1,253
Impaired Loans, Average Recorded Investment, With no related allowance recorded	32,295	40,843
Impaired Loans, Interest Income Recognized, With no related allowance recorded	59	62
Impaired Loans, Average Recorded Investment, With an allowance recorded	4,372	4,988
Impaired Loans, Interest Income Recognized, With an allowance recorded	27	38
Impaired Loans, Average Recorded Investment	36,667	45,831
Impaired Loans, Interest Income Recognized	86	100
Commercial Real Estate [Member] | Nonowner-Occupied [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, Recorded Investment, With no related allowance recorded	65,019		69,053
Impaired Loans, Unpaid Principal Balance, With no related allowance recorded	65,469		69,517
Impaired Loans, Recorded Investment, With an allowance recorded	6,431		7,890
Impaired Loans, Unpaid Principal Balance, With an allowance recorded	6,431		7,890
Impaired Loans, Related Allowance	1,293		1,362
Impaired Loans, Recorded Investment	71,450		76,943
Impaired Loans, Unpaid Principal Balance	71,900		77,407
Impaired Loans, Related Allowance	1,293		1,362
Impaired Loans, Average Recorded Investment, With no related allowance recorded	67,036	55,463
Impaired Loans, Interest Income Recognized, With no related allowance recorded	207	163
Impaired Loans, Average Recorded Investment, With an allowance recorded	7,160	6,981
Impaired Loans, Interest Income Recognized, With an allowance recorded	43	39
Impaired Loans, Average Recorded Investment	74,196	62,444
Impaired Loans, Interest Income Recognized	250	202
Other Commercial [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, Recorded Investment, With no related allowance recorded	28,977		30,433
Impaired Loans, Unpaid Principal Balance, With no related allowance recorded	30,870		32,158
Impaired Loans, Recorded Investment, With an allowance recorded	39,682		29,486
Impaired Loans, Unpaid Principal Balance, With an allowance recorded	44,623		33,127
Impaired Loans, Related Allowance	20,638		18,269
Impaired Loans, Recorded Investment	68,659		59,919
Impaired Loans, Unpaid Principal Balance	75,493		65,285
Impaired Loans, Related Allowance	20,638		18,269
Impaired Loans, Average Recorded Investment, With no related allowance recorded	29,705	37,081
Impaired Loans, Interest Income Recognized, With no related allowance recorded	100	100
Impaired Loans, Average Recorded Investment, With an allowance recorded	34,583	18,695
Impaired Loans, Interest Income Recognized, With an allowance recorded	130	64
Impaired Loans, Average Recorded Investment	64,288	55,776
Impaired Loans, Interest Income Recognized	230	164
Residential Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, Recorded Investment, With no related allowance recorded	28,315		21,431
Impaired Loans, Unpaid Principal Balance, With no related allowance recorded	29,902		22,329
Impaired Loans, Recorded Investment, With an allowance recorded	12,313		13,305
Impaired Loans, Unpaid Principal Balance, With an allowance recorded	13,048		14,625
Impaired Loans, Related Allowance	2,324		2,118
Impaired Loans, Recorded Investment	40,628		34,736
Impaired Loans, Unpaid Principal Balance	42,950		36,954
Impaired Loans, Related Allowance	2,324		2,118
Impaired Loans, Average Recorded Investment, With no related allowance recorded	24,873	30,814
Impaired Loans, Interest Income Recognized, With no related allowance recorded	140	49
Impaired Loans, Average Recorded Investment, With an allowance recorded	12,809	6,359
Impaired Loans, Interest Income Recognized, With an allowance recorded	6	11
Impaired Loans, Average Recorded Investment	37,682	37,173
Impaired Loans, Interest Income Recognized	146	60
Consumer [Member] | Bankcard [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, Recorded Investment, With no related allowance recorded	0		0
Impaired Loans, Unpaid Principal Balance, With no related allowance recorded	0		0
Impaired Loans, Recorded Investment, With an allowance recorded	0		0
Impaired Loans, Unpaid Principal Balance, With an allowance recorded	0		0
Impaired Loans, Related Allowance	0		0
Impaired Loans, Recorded Investment	0		0
Impaired Loans, Unpaid Principal Balance	0		0
Impaired Loans, Related Allowance	0		0
Impaired Loans, Average Recorded Investment, With an allowance recorded	0	0
Impaired Loans, Interest Income Recognized, With an allowance recorded	0	0
Impaired Loans, Average Recorded Investment	0	0
Impaired Loans, Interest Income Recognized	0	0
Consumer [Member] | Other Consumer [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, Recorded Investment, With no related allowance recorded	27		32
Impaired Loans, Unpaid Principal Balance, With no related allowance recorded	27		32
Impaired Loans, Recorded Investment, With an allowance recorded	0		0
Impaired Loans, Unpaid Principal Balance, With an allowance recorded	0		0
Impaired Loans, Related Allowance	0		0
Impaired Loans, Recorded Investment	27		32
Impaired Loans, Unpaid Principal Balance	27		32
Impaired Loans, Related Allowance	0		$ 0
Impaired Loans, Average Recorded Investment, With an allowance recorded	0	0
Impaired Loans, Interest Income Recognized, With an allowance recorded	0	0
Impaired Loans, Average Recorded Investment	29	40
Impaired Loans, Interest Income Recognized	$ 0	$ 0

XML

Allowance for Credit Losses - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Financing Receivable, Allowance for Credit Losses [Line Items]
Specific loss allocations are calculated for loans in excess	$ 500
Number of days for collecting principal or interest on consumer loans	90 days
Minimum collection period for home equity loan or high loan to value loan	180 days
Retail credits amount deemed unrecoverable charged-off period	60 days
Retail credits charged off period after discovery of the fraud	90 days
Provision for loan losses related to loans acquired	$ 437	$ 3,364
Reserve for lending-related commitments	$ 1,193		$ 936
Closed-End Retail Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of days delinquent from contractual due date	120 days
Open-End Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of days delinquent from contractual due date	180 days

XML

Allowance for Credit Losses - Schedule of Allowance for Loan Losses and Carrying Amount of Loans (Detail) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses Beginning balance	$ 75,726	$ 75,529	$ 75,529
Charge-offs	(6,946)		(25,499)
Recoveries	2,675		3,122
Provision	4,035	5,354	22,574
Allowance for Loan Losses Ending balance	75,490		75,726
Allowance for Loan Losses, individually evaluated for impairment	30,483		27,792
Allowance for Loan Losses, collectively evaluated for impairment	45,007		47,934
Financing receivables	9,393,200		9,398,952
Financing receivables, individually evaluated for impairment	107,852		107,725
Financing receivables, collectively evaluated for impairment	9,154,614		9,143,030
Loans Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses	0		0
Financing receivables	130,734		148,197
Construction & Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses Beginning balance	18,205	19,402	19,402
Charge-offs	0		(862)
Recoveries	59		511
Provision	(2,998)		(846)
Allowance for Loan Losses Ending balance	15,266		18,205
Allowance for Loan Losses, individually evaluated for impairment	4,722		4,789
Allowance for Loan Losses, collectively evaluated for impairment	10,544		13,416
Financing receivables	1,222,119		1,273,054
Financing receivables, individually evaluated for impairment	15,456		15,779
Financing receivables, collectively evaluated for impairment	1,177,673		1,221,760
Construction & Land Development [Member] | Loans Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses	0		0
Financing receivables	28,990		35,515
Allowance for Estimated Imprecision [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses Beginning balance	104	70	70
Charge-offs	0		0
Recoveries	0		0
Provision	111		34
Allowance for Loan Losses Ending balance	215		104
Allowance for Loan Losses, individually evaluated for impairment	0		0
Allowance for Loan Losses, collectively evaluated for impairment	215		104
Financing receivables	0		0
Financing receivables, individually evaluated for impairment	0		0
Financing receivables, collectively evaluated for impairment	0		0
Allowance for Estimated Imprecision [Member] | Loans Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses	0		0
Financing receivables	0		0
Commercial Real Estate [Member] | Owner-Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses Beginning balance	3,637	4,041	4,041
Charge-offs	(1,345)		(4,755)
Recoveries	781		829
Provision	2,275		3,522
Allowance for Loan Losses Ending balance	5,348		3,637
Allowance for Loan Losses, individually evaluated for impairment	1,505		1,253
Allowance for Loan Losses, collectively evaluated for impairment	3,843		2,384
Financing receivables	918,334		927,746
Financing receivables, individually evaluated for impairment	11,796		12,670
Financing receivables, collectively evaluated for impairment	888,869		888,802
Commercial Real Estate [Member] | Owner-Occupied [Member] | Loans Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses	0		0
Financing receivables	17,669		26,274
Commercial Real Estate [Member] | Nonowner-Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses Beginning balance	5,309	8,167	8,167
Charge-offs	(363)		(1,120)
Recoveries	504		74
Provision	751		(1,812)
Allowance for Loan Losses Ending balance	6,201		5,309
Allowance for Loan Losses, individually evaluated for impairment	1,293		1,362
Allowance for Loan Losses, collectively evaluated for impairment	4,908		3,947
Financing receivables	2,944,573		2,896,367
Financing receivables, individually evaluated for impairment	20,744		26,152
Financing receivables, collectively evaluated for impairment	2,872,875		2,817,748
Commercial Real Estate [Member] | Nonowner-Occupied [Member] | Loans Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses	0		0
Financing receivables	50,954		52,467
Other Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses Beginning balance	31,328	26,931	26,931
Charge-offs	(3,754)		(10,042)
Recoveries	980		714
Provision	4,086		13,725
Allowance for Loan Losses Ending balance	32,640		31,328
Allowance for Loan Losses, individually evaluated for impairment	20,638		18,269
Allowance for Loan Losses, collectively evaluated for impairment	12,002		13,059
Financing receivables	1,572,060		1,602,222
Financing receivables, individually evaluated for impairment	45,253		35,342
Financing receivables, collectively evaluated for impairment	1,505,804		1,546,018
Other Commercial [Member] | Loans Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses	0		0
Financing receivables	21,003		20,862
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses Beginning balance	15,148	13,835	13,835
Charge-offs	(709)		(6,411)
Recoveries	211		495
Provision	(1,103)		7,229
Allowance for Loan Losses Ending balance	13,547		15,148
Allowance for Loan Losses, individually evaluated for impairment	2,325		2,119
Allowance for Loan Losses, collectively evaluated for impairment	11,222		13,029
Financing receivables	2,272,589		2,268,685
Financing receivables, individually evaluated for impairment	14,603		17,782
Financing receivables, collectively evaluated for impairment	2,245,904		2,237,865
Residential Real Estate [Member] | Loans Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses	0		0
Financing receivables	12,082		13,038
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses Beginning balance	1,995	$ 3,083	3,083
Charge-offs	(775)		(2,309)
Recoveries	140		499
Provision	913		722
Allowance for Loan Losses Ending balance	2,273		1,995
Allowance for Loan Losses, individually evaluated for impairment	0		0
Allowance for Loan Losses, collectively evaluated for impairment	2,273		1,995
Financing receivables	463,525		430,878
Financing receivables, individually evaluated for impairment	0		0
Financing receivables, collectively evaluated for impairment	463,489		430,837
Consumer [Member] | Loans Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses	0		0
Financing receivables	$ 36		$ 41

XML

Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Goodwill not subject to amortization	$ 710,252	$ 710,252
Core Deposit Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	60,577	60,577
Accumulated Amortization	(43,482)	(42,737)
Net Carrying Amount	$ 17,095	$ 17,840

XML

Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Intangible Liability Disclosure [Abstract]
Amortization expense	$ 745	$ 855

XML

Intangible Assets - Schedule of Anticipated Amortization Expense (Detail) $ in Thousands	Mar. 31, 2016 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
2016	$ 2,981
2017	2,767
2018	2,574
2019	2,476
2020 and thereafter	$ 7,042

XML

Short-Term Borrowings - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Short-term Debt [Line Items]
Unused lines of credit	$ 264,000,000
Federal funds purchased	27,100,000	$ 22,230,000
Repurchase agreements	315,475,000
Wholesale REPO	$ 50,493,000
Maturity date of wholesale REPO	2018-05
Unrelated Financial Institution [Member]
Short-term Debt [Line Items]
Unused lines of credit	$ 20,000,000
Renewal period of line of credit	360 days
Amount of outstanding balance under line of credit	$ 0

XML

Long-Term Borrowings - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2016 USD ($) Trust	Dec. 31, 2015 USD ($)	Dec. 31, 2009 USD ($)
Debt Instrument [Line Items]
Unused borrowing amount	$ 2,368,741,000
FHLB advances	$ 885,855,000	$ 850,880,000
FHLB advances, weighted-average interest rate	0.52%
FHLB advances, maximum maturity period	5 years
Overnight funds	$ 125,000,000
Acquisition accounting adjustment to fair value, interest rate	0.44%
Number of statutory business trusts | Trust	13
Outstanding balances of debentures	$ 223,723,000	$ 223,506,000
Maximum time to defer payment of interest on subordinate debt	5 years
Trust Preferred Securities limit percentage	25.00%
Maximum [Member]
Debt Instrument [Line Items]
Tier 1 risk based assets			$ 15,000,000,000
Capital Securities [Member]
Debt Instrument [Line Items]
Number of statutory business trusts | Trust	13

XML

Long -Term Borrowings - Schedule of Maturities of FHLB Borrowings (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Federal Home Loan Bank, Advances, Fiscal Year Maturity [Abstract]
2016	$ 850,599
2017	256
2018	0
2019	35,000
2020 and thereafter	0
Total	$ 885,855	$ 850,880

XML

Commitments and Contingent Liabilities - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Loss Contingencies [Line Items]
Loan commitments outstanding	$ 2,550,476	$ 2,587,957
Loan commitments expiry period	1 year
Commercial Letters of Credit [Member]
Loss Contingencies [Line Items]
Letters of credit issued	$ 226	226
Standby Letters of Credit [Member]
Loss Contingencies [Line Items]
Letters of credit issued	$ 124,936	$ 135,146

XML

Derivative Financial Instruments - Schedule of Derivative Instruments (Detail)	3 Months Ended
	Mar. 31, 2016 USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
Total Derivatives Used for Interest Rate Risk Management and Designated as Hedges	$ 96,930,000
Average Pay Rate	3.64%
Fair Value Hedging [Member] | Interest Rate Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount, Pay Fixed Swaps (Hedging Commercial Loans)	$ 96,830,000
Cash Flow Hedging [Member] | Interest Rate Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount, Pay Fixed Swaps (Hedging Commercial Loans)	$ 96,830,000

XML

Derivative Financial Instruments - Schedule of Fair Value Derivative Financial Instruments (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Derivative [Line Items]
Asset derivatives designated as hedging instruments	$ 0	$ 0
Asset derivatives not designated as hedging instruments	3,164	2,942
Total asset derivatives	3,164	2,942
Liability derivatives designated as hedging instruments	4,807	1,179
Liability derivatives not designated as hedging instruments	3,164	2,942
Total liability derivatives	7,971	4,121
Interest Rate Contracts [Member] | Other Assets [Member]
Derivative [Line Items]
Asset derivatives designated as hedging instruments	0	0
Asset derivatives not designated as hedging instruments	3,164	2,942
Interest Rate Contracts [Member] | Other Liabilities [Member]
Derivative [Line Items]
Liability derivatives designated as hedging instruments	4,807	1,179
Liability derivatives not designated as hedging instruments	$ 3,164	$ 2,942

XML

Derivative Financial Instruments - Schedule of Derivative Financial Instruments on Statement of Income (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Interest Rate Contracts [Member]
Derivative [Line Items]
Derivatives in fair value hedging relationships	$ 281	$ (424)
Interest Income/ (Expense) [Member]
Derivative [Line Items]
Derivatives in fair value hedging relationships	281	(424)
Interest Income/ (Expense) [Member] | Interest Rate Contracts [Member]
Derivative [Line Items]
Derivatives in fair value hedging relationships	281	(424)
Other Income [Member] | Interest Rate Contracts [Member]
Derivative [Line Items]
Derivative instruments not designated as hedging instruments, loss	0	0
Derivative instruments not designated as hedging instruments, net	$ 0	$ 0

XML

Fair Value Measurement - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Discount rates utilized, minimum	3.75%
Discount rates utilized, maximum	12.50%
Amount of decrease in fair value of securities	$ 5,697,000
Transfers from Level 1 to Level 2 for financial assets	0	$ 0
Transfers from Level 2 to Level 1 for financial assets	0	0
Transfers from Level 1 to Level 2 for financial liabilities	0	0
Transfers from Level 2 to Level 1 for financial liabilities	0	$ 0
Nonrecurring fair value adjustments on loans held for sale	0
Fair value measurement of intangible assets	$ 0		$ 0
Trust Preferred Collateralized Debt Obligations [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Decrease in fair value of securities	17.00%
Increase in discount rates, basis point	2.00%

XML

Fair Value Measurements - Schedule of Financial Assets and Liabilities Measured at Fair Value (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities	$ 5,948	$ 5,455
Total available for sale securities	1,068,252	1,066,334
Derivative financial assets	3,164	2,942
Derivative financial liabilities	7,971	4,121
Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	1,062,304	1,060,879
Available for sale equity securities	5,948	5,455
Total available for sale securities	1,068,252	1,066,334
U.S. Treasury Securities and Obligations of U.S. Government Corporations and Agencies [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	73,356	73,786
U.S. Treasury Securities and Obligations of U.S. Government Corporations and Agencies [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	73,356	73,786
State and Political Subdivisions [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	135,829	133,778
State and Political Subdivisions [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	135,829	133,778
Residential Mortgage-Backed Securities, Agency [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	477,292	477,982
Residential Mortgage-Backed Securities, Agency [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	477,292	477,982
Residential Mortgage-Backed Securities, Non-agency [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	8,754	9,571
Residential Mortgage-Backed Securities, Non-agency [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	8,754	9,571
Asset-Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	2,637	3,399
Asset-Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	2,637	3,399
Commercial Mortgage-Backed Securities, Agency [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	305,802	305,935
Commercial Mortgage-Backed Securities, Agency [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	305,802	305,935
Trust Preferred Collateralized Debt Obligations [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	32,593	34,686
Trust Preferred Collateralized Debt Obligations [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	32,593	34,686
Single Issue Trust Preferred Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	10,960	11,693
Single Issue Trust Preferred Securities [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	10,960	11,693
Corporate Bonds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	15,081	10,049
Corporate Bonds [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	15,081	10,049
Financial Services Industry [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities	3,186	2,723
Other Equity Securities [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities	1,139	1,136
Interest Rate Contracts [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial assets	3,164	2,942
Derivative financial liabilities	7,971	4,121
Equity Mutual Funds [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities	1,623	1,596
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	3,519	3,532
Derivative financial assets	0	0
Derivative financial liabilities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	0	0
Available for sale equity securities	3,519	3,532
Total available for sale securities	3,519	3,532
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U.S. Treasury Securities and Obligations of U.S. Government Corporations and Agencies [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | State and Political Subdivisions [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Residential Mortgage-Backed Securities, Agency [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Residential Mortgage-Backed Securities, Non-agency [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Asset-Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Commercial Mortgage-Backed Securities, Agency [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Trust Preferred Collateralized Debt Obligations [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Single Issue Trust Preferred Securities [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Corporate Bonds [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Financial Services Industry [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities	757	800
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Other Equity Securities [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities	1,139	1,136
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Interest Rate Contracts [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial assets	0	0
Derivative financial liabilities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Mutual Funds [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities	1,623	1,596
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	1,032,140	1,028,116
Derivative financial assets	3,164	2,942
Derivative financial liabilities	7,971	4,121
Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	1,029,711	1,026,193
Available for sale equity securities	2,429	1,923
Total available for sale securities	1,032,140	1,028,116
Significant Other Observable Inputs (Level 2) [Member] | U.S. Treasury Securities and Obligations of U.S. Government Corporations and Agencies [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	73,356	73,786
Significant Other Observable Inputs (Level 2) [Member] | State and Political Subdivisions [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	135,829	133,778
Significant Other Observable Inputs (Level 2) [Member] | Residential Mortgage-Backed Securities, Agency [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	477,292	477,982
Significant Other Observable Inputs (Level 2) [Member] | Residential Mortgage-Backed Securities, Non-agency [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	8,754	9,571
Significant Other Observable Inputs (Level 2) [Member] | Asset-Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	2,637	3,399
Significant Other Observable Inputs (Level 2) [Member] | Commercial Mortgage-Backed Securities, Agency [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	305,802	305,935
Significant Other Observable Inputs (Level 2) [Member] | Trust Preferred Collateralized Debt Obligations [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	0	0
Significant Other Observable Inputs (Level 2) [Member] | Single Issue Trust Preferred Securities [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	10,960	11,693
Significant Other Observable Inputs (Level 2) [Member] | Corporate Bonds [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	15,081	10,049
Significant Other Observable Inputs (Level 2) [Member] | Financial Services Industry [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities	2,429	1,923
Significant Other Observable Inputs (Level 2) [Member] | Other Equity Securities [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities	0	0
Significant Other Observable Inputs (Level 2) [Member] | Interest Rate Contracts [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial assets	3,164	2,942
Derivative financial liabilities	7,971	4,121
Significant Other Observable Inputs (Level 2) [Member] | Equity Mutual Funds [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities	0	0
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	32,593	34,686
Derivative financial assets	0	0
Derivative financial liabilities	0	0
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	32,593	34,686
Available for sale equity securities	0	0
Total available for sale securities	32,593	34,686
Significant Unobservable Inputs (Level 3) [Member] | U.S. Treasury Securities and Obligations of U.S. Government Corporations and Agencies [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	0	0
Significant Unobservable Inputs (Level 3) [Member] | State and Political Subdivisions [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	0	0
Significant Unobservable Inputs (Level 3) [Member] | Residential Mortgage-Backed Securities, Agency [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	0	0
Significant Unobservable Inputs (Level 3) [Member] | Residential Mortgage-Backed Securities, Non-agency [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	0	0
Significant Unobservable Inputs (Level 3) [Member] | Asset-Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	0	0
Significant Unobservable Inputs (Level 3) [Member] | Commercial Mortgage-Backed Securities, Agency [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	0	0
Significant Unobservable Inputs (Level 3) [Member] | Trust Preferred Collateralized Debt Obligations [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	32,593	34,686
Significant Unobservable Inputs (Level 3) [Member] | Single Issue Trust Preferred Securities [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	0	0
Significant Unobservable Inputs (Level 3) [Member] | Corporate Bonds [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale debt securities	0	0
Significant Unobservable Inputs (Level 3) [Member] | Financial Services Industry [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities	0	0
Significant Unobservable Inputs (Level 3) [Member] | Other Equity Securities [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities	0	0
Significant Unobservable Inputs (Level 3) [Member] | Interest Rate Contracts [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial assets	0	0
Derivative financial liabilities	0	0
Significant Unobservable Inputs (Level 3) [Member] | Equity Mutual Funds [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities	$ 0	$ 0

XML

Fair Value Measurements - Schedule of Additional Information about Financial Assets and Liabilities Measured at Fair Value Utilized Level 3 (Detail) - Trust Preferred Collateralized Debt Obligations [Member] - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Balance, beginning of period	$ 34,686	$ 39,558
Included in earnings (or changes in net assets)	0	(34)
Included in other comprehensive income	(2,093)	(4,838)
Purchases, issuances, and settlements	0	0
Transfers in and/or out of Level 3	0	0
Balance, end of period	32,593	34,686
The amount of total gains or losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to assets still held at reporting date	$ 0	$ 0

XML

Fair Values of Financial Instruments - Summary of Financial Assets Measured at Fair Value on Nonrecurring Basis (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
YTD Losses, Impaired Loans	$ 2,504	$ 8,485
YTD Losses, OREO	338	1,141
Impaired Loans	75,180	69,368
OREO	28,981	32,228
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired Loans	0	0
OREO	0	0
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired Loans	34,171	29,186
OREO	27,266	32,228
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired Loans	41,009	40,182
OREO	$ 1,715	$ 0

XML

Fair Value Measurements - Summary of Estimated Fair Values of Financial Instruments (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	$ 904,841	$ 857,335
Securities available for sale	1,068,252	1,066,334
Securities held to maturity	39,058	39,099
Other securities	100,000	98,749
Loans held for sale	5,395	10,681
Loans	9,378,393	9,384,080
Derivative financial assets	3,164	2,942
Deposits	9,324,568	9,341,527
Derivative financial liabilities	7,971	4,121
Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	904,841	857,335
Securities available for sale	1,068,252	1,066,334
Securities held to maturity	39,058	39,099
Other securities	100,000	98,749
Loans held for sale	5,395	10,681
Loans	9,302,903	9,308,354
Derivative financial assets	3,164	2,942
Deposits	9,324,568	9,341,527
Short-term borrowings	417,082	423,028
Long-term borrowings	1,035,071	1,015,249
Derivative financial liabilities	7,971	4,121
Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	904,841	857,335
Securities available for sale	1,068,252	1,066,334
Securities held to maturity	35,567	36,320
Other securities	95,000	93,811
Loans held for sale	5,395	10,681
Loans	9,350,404	9,289,463
Derivative financial assets	3,164	2,942
Deposits	9,310,035	9,332,451
Short-term borrowings	417,082	423,028
Long-term borrowings	1,007,356	988,270
Derivative financial liabilities	7,971	4,121
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	0	0
Securities available for sale	3,519	3,532
Securities held to maturity	0	0
Other securities	0	0
Loans held for sale	0	0
Loans	0	0
Derivative financial assets	0	0
Deposits	0	0
Short-term borrowings	0	0
Long-term borrowings	0	0
Derivative financial liabilities	0	0
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	904,841	857,335
Securities available for sale	1,032,140	1,028,116
Securities held to maturity	32,547	33,300
Other securities	0	0
Loans held for sale	5,395	10,681
Loans	0	0
Derivative financial assets	3,164	2,942
Deposits	9,310,035	9,332,451
Short-term borrowings	417,082	423,028
Long-term borrowings	1,007,356	988,270
Derivative financial liabilities	7,971	4,121
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	0	0
Securities available for sale	32,593	34,686
Securities held to maturity	3,020	3,020
Other securities	95,000	93,811
Loans held for sale	0	0
Loans	9,350,404	9,289,463
Derivative financial assets	0	0
Deposits	0	0
Short-term borrowings	0	0
Long-term borrowings	0	0
Derivative financial liabilities	$ 0	$ 0

XML

Stock Based Compensation - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended
	May. 16, 2011	Mar. 31, 2016	Mar. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized shares of stock, option plan, maximum	1,500,000
Aggregate number of shares issued in respect of restricted stock awards	350,000
Options available for award each plan year	1,150,000
Maximum number of shares of restricted stock or shares subject to a restricted stock units award granted		50,000
Maximum number of options and stock appreciation rights		100,000
Percentage of restricted stock and restricted stock units vest		25.00%
Vesting period of awards		1/3 per year
Recognition of compensation expense		$ 658	$ 631
Number of share available for grant for prior plans		0
Maximum term for awards granted (years)		10 years
Shares issued related stock option exercises		42,441	89,875
Total intrinsic value of options exercised		$ 678	$ 610
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Granted		64,092
Vesting period		4 years
Non-qualified Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Granted		189,780

XML

Stock Based Compensation - Summary of Stock Option Plans (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Disclosure Stock Based Compensation Stock Option Plan [Abstract]
Shares, Outstanding, Beginning balance	1,207,110
Shares, Granted	189,780
Shares, Exercised	(42,441)	(89,875)
Shares, Forfeited or expired	(8,694)
Shares, Outstanding, Ending balance	1,345,755
Shares, Exercisable at December 31, 2015	900,457
Aggregate Intrinsic Value, Outstanding at December 31, 2015	$ 9,905
Aggregate Intrinsic Value, Exercisable at December 31, 2015	$ 8,531
Weighted Average Remaining Contractual Term, Outstanding at December 31, 2015	6 years 6 months
Weighted Average Remaining Contractual Term, Exercisable at December 31, 2015	5 years 3 months 18 days
Weighted Average Exercise Price, Outstanding, Beginning balance	$ 28.15
Weighted Average Exercise Price, Granted	35.04
Weighted Average Exercise Price, Exercised	19.43
Weighted Average Exercise Price, Forfeited or expired	32.95
Weighted Average Exercise Price, Outstanding, Ending balance	29.37
Weighted Average Exercise Price, Exercisable	$ 27.24

XML

Stock Based Compensation - Status of United's Nonvested Stock Option Awards (Detail)	3 Months Ended
	Mar. 31, 2016 $ / shares shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Shares, Nonvested, Beginning balance | shares	426,395
Shares, Granted | shares	189,780
Shares, Vested | shares	(162,183)
Shares, Forfeited or expired | shares	(8,694)
Shares, Nonvested, Ending balance | shares	445,298
Weighted-Average Grant Date Fair Value Per Share, Nonvested Beginning balance | $ / shares	$ 6.68
Weighted-Average Grant Date Fair Value Per Share, Granted | $ / shares	6.97
Weighted-Average Grant Date Fair Value Per Share, Vested | $ / shares	6.59
Weighted-Average Grant Date Fair Value Per Share, Forfeited or expired | $ / shares	6.81
Weighted-Average Grant Date Fair Value Per Share, Nonvested Ending balance | $ / shares	$ 6.84

XML

Stock Based Compensation - Changes to United's Restricted Common Shares (Detail) - Restricted Stock [Member]	3 Months Ended
	Mar. 31, 2016 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Outstanding, Beginning balance | shares	129,772
Shares, Granted | shares	64,092
Shares, Vested | shares	(49,179)
Shares, Forfeited | shares	(3,288)
Number of Shares, Outstanding, Ending balance | shares	141,397
Weighted-Average Grant Date Fair Value Per Share, Outstanding, Beginning balance | $ / shares	$ 31.69
Weighted-Average Grant Date Fair Value Per Share, Granted | $ / shares	35.04
Weighted-Average Grant Date Fair Value Per Share, Vested | $ / shares	30.51
Weighted-Average Grant Date Fair Value Per Share, Forfeited | $ / shares	32.16
Weighted-Average Grant Date Fair Value Per Share, Outstanding, Ending balance | $ / shares	$ 33.60

XML

Employee Benefit Plans - Additional Information (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($)
Compensation and Retirement Disclosure [Abstract]
Unrecognized actuarial gains (losses), before tax	$ (55,998)
Unrecognized actuarial gains (losses), net of tax	(35,727)
Amortization expected to be recognized	4,618
Amortization expected to be recognized, net of tax	$ 2,946

XML

Employee Benefit Plans - Net Periodic Pension Cost (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 607	$ 740
Interest cost	1,456	1,430
Expected return on plan assets	(2,012)	(2,293)
Amortization of transition asset	0	0
Recognized net actuarial loss	1,148	1,208
Amortization of prior service cost	0	0
Net periodic pension (benefit) cost	$ 1,199	$ 1,085
Weighted-Average Assumptions:
Discount rate	4.75%	4.35%
Expected return on assets	7.25%	7.50%
Rate of compensation increase	3.00%	3.00%
Prior to Age 45 [Member]
Weighted-Average Assumptions:
Rate of compensation increase	3.50%	3.50%

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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Tax Disclosure [Abstract]
Liability of unrecognized tax benefits	$ 2,153
Estimate of unrecognized tax benefits, reasonable possible	United cannot reasonably estimate the amount of tax benefits it may recognize over the next 12 months.
Accrued interest related to uncertain tax positions	$ 752	$ 825

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Comprehensive Income - Components of Total Comprehensive Income (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income	$ 34,706	$ 34,627
AFS securities with OTTI charges during the period	0	(100)
Related income tax effect	0	36
Less : OTTI charges recognized in net income	0	34
Related income tax benefit	0	(12)
Reclassification of previous noncredit OTTI to credit OTTI	0	0
Related income tax benefit	0	0
Net unrealized gain (loss) on AFS securities with OTTI	0	(42)
Change in net unrealized gain on AFS securities arising during the period	13,317	8,471
Related income tax effect	(4,821)	(3,066)
Net reclassification adjustment for losses (gains) included in net income	(4)	(46)
Related income tax (benefit) expense	1	17
Total AFS securities - all other	8,493	5,376
Net effect of AFS securities on other comprehensive income	8,493	5,334
Accretion on the unrealized loss for securities transferred from AFS to the HTM investment portfolio prior to call or maturity	1	1
Related income tax expense	0	0
Net effect of HTM securities on other comprehensive income	1	1
Pension plan:
Recognized net actuarial loss	1,148	1,208
Related income tax benefit	(419)	(440)
Net effect of change in pension plan asset on other comprehensive income	729	768
Net current-period other comprehensive income, net of tax	9,223	6,103
Total Comprehensive Income	$ 43,929	$ 40,730

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Comprehensive Income - Components of Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at January 1, 2016	$ 1,712,635
Net current-period other comprehensive income, net of tax	9,223	$ 6,103
Balance at March 31, 2016	1,735,037
Pension Plan [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at January 1, 2016	(35,640)
Other comprehensive income before reclassification	0
Amounts reclassified from accumulated other comprehensive income	729
Net current-period other comprehensive income, net of tax	729
Balance at March 31, 2016	(34,911)
Unrealized Gains/Losses on AFS Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at January 1, 2016	(2,515)
Other comprehensive income before reclassification	8,496
Amounts reclassified from accumulated other comprehensive income	(3)
Net current-period other comprehensive income, net of tax	8,493
Balance at March 31, 2016	5,978
Accumulated Unrealized Loss On Securities Available For Sale Transferred To Held To Maturity [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at January 1, 2016	(57)
Other comprehensive income before reclassification	1
Amounts reclassified from accumulated other comprehensive income	0
Net current-period other comprehensive income, net of tax	1
Balance at March 31, 2016	(56)
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at January 1, 2016	(38,212)
Other comprehensive income before reclassification	8,497
Amounts reclassified from accumulated other comprehensive income	726
Net current-period other comprehensive income, net of tax	9,223
Balance at March 31, 2016	$ (28,989)

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Comprehensive Income - Reclassifications Out of Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Available for sale ("AFS") securities:
Reclassification of previous noncredit OTTI to credit OTTI	$ 0	$ (100)
Net reclassification adjustment for losses (gains) included in net income	4	46
Income before income taxes	52,585	49,931
Related income tax effect	(17,879)	(15,304)
Net earnings allocated to common shareholders	34,706	34,627
Pension plan:
Recognized net actuarial loss	1,148	1,208
Income before income taxes	52,585	49,931
Related income tax effect	(17,879)	(15,304)
Net earnings allocated to common shareholders	34,706	$ 34,627
Reclassification out of Accumulated Other Comprehensive Income [Member]
Available for sale ("AFS") securities:
Net earnings allocated to common shareholders	726
Pension plan:
Net earnings allocated to common shareholders	726
Reclassification out of Accumulated Other Comprehensive Income [Member] | Unrealized Gains/Losses on AFS Securities [Member]
Available for sale ("AFS") securities:
Reclassification of previous noncredit OTTI to credit OTTI	0
Net reclassification adjustment for losses (gains) included in net income	(4)
Income before income taxes	(4)
Related income tax effect	1
Net earnings allocated to common shareholders	(3)
Pension plan:
Income before income taxes	(4)
Related income tax effect	1
Net earnings allocated to common shareholders	(3)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment [Member]
Available for sale ("AFS") securities:
Income before income taxes	1,148
Related income tax effect	(419)
Net earnings allocated to common shareholders	729
Pension plan:
Recognized net actuarial loss	1,148
Income before income taxes	1,148
Related income tax effect	(419)
Net earnings allocated to common shareholders	$ 729

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Earnings Per Share - Reconciliation of Numerator and Denominator of Basic Earnings Per Share with that of Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Earnings Per Share [Abstract]
Distributed earnings allocated to common stock	$ 22,954	$ 22,167
Undistributed earnings allocated to common stock	11,688	12,399
Net earnings allocated to common shareholders	$ 34,642	$ 34,566
Average common shares outstanding	69,497,489	69,207,508
Common stock equivalents	216,632	269,336
Average diluted shares outstanding	69,714,121	69,476,844
Earnings per basic common share	$ 0.50	$ 0.50
Earnings per diluted common share	$ 0.50	$ 0.50

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Variable Interest Entities - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2016 Trust
Variable Interest Entity, Not Primary Beneficiary, Disclosures [Abstract]
Number of statutory business trusts	13
Percentage of equity shares of each trust owned by the company	100.00%

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Variable Interest Entities - Information Related to Statutory Trusts (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($)
Century Trust [Member]
Variable Interest Entity [Line Items]
Issuance Date	Mar. 23, 2000
Amount of Capital Securities Issued	$ 8,800
Interest Rate	10.875% Fixed
Maturity Date	Mar. 08, 2030
United Statutory Trust III [Member]
Variable Interest Entity [Line Items]
Issuance Date	Dec. 17, 2003
Amount of Capital Securities Issued	$ 20,000
Interest Rate	3-month LIBOR + 2.85%
Maturity Date	Dec. 17, 2033
United Statutory Trust IV [Member]
Variable Interest Entity [Line Items]
Issuance Date	Dec. 19, 2003
Amount of Capital Securities Issued	$ 25,000
Interest Rate	3-month LIBOR + 2.85%
Maturity Date	Jan. 23, 2034
United Statutory Trust V [Member]
Variable Interest Entity [Line Items]
Issuance Date	Jul. 12, 2007
Amount of Capital Securities Issued	$ 50,000
Interest Rate	3-month LIBOR + 1.55%
Maturity Date	Oct. 01, 2037
United Statutory Trust VI [Member]
Variable Interest Entity [Line Items]
Issuance Date	Sep. 20, 2007
Amount of Capital Securities Issued	$ 30,000
Interest Rate	3-month LIBOR + 1.30%
Maturity Date	Dec. 15, 2037
Premier Statutory Trust II [Member]
Variable Interest Entity [Line Items]
Issuance Date	Sep. 25, 2003
Amount of Capital Securities Issued	$ 6,000
Interest Rate	3-month LIBOR + 3.10%
Maturity Date	Oct. 08, 2033
Premier Statutory Trust III [Member]
Variable Interest Entity [Line Items]
Issuance Date	May 16, 2005
Amount of Capital Securities Issued	$ 8,000
Interest Rate	3-month LIBOR + 1.74%
Maturity Date	Jun. 15, 2035
Premier Statutory Trust IV [Member]
Variable Interest Entity [Line Items]
Issuance Date	Jun. 20, 2006
Amount of Capital Securities Issued	$ 14,000
Interest Rate	3-month LIBOR + 1.55%
Maturity Date	Sep. 23, 2036
Premier Statutory Trust V [Member]
Variable Interest Entity [Line Items]
Issuance Date	Dec. 14, 2006
Amount of Capital Securities Issued	$ 10,000
Interest Rate	3-month LIBOR + 1.61%
Maturity Date	Mar. 01, 2037
Centra Statutory Trust I [Member]
Variable Interest Entity [Line Items]
Issuance Date	Sep. 20, 2004
Amount of Capital Securities Issued	$ 10,000
Interest Rate	3-month LIBOR + 2.29%
Maturity Date	Sep. 20, 2034
Centra Statutory Trust II [Member]
Variable Interest Entity [Line Items]
Issuance Date	Jun. 15, 2006
Amount of Capital Securities Issued	$ 10,000
Interest Rate	3-month LIBOR + 1.65%
Maturity Date	Jul. 07, 2036
Virginia Commerce Trust II [Member]
Variable Interest Entity [Line Items]
Issuance Date	Dec. 19, 2002
Amount of Capital Securities Issued	$ 15,000
Interest Rate	6-month LIBOR + 3.30%
Maturity Date	Dec. 19, 2032
Virginia Commerce Trust III [Member]
Variable Interest Entity [Line Items]
Issuance Date	Dec. 20, 2005
Amount of Capital Securities Issued	$ 25,000
Interest Rate	3-month LIBOR + 1.42%
Maturity Date	Feb. 23, 2036

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Variable Interest Entities - Summary of Quantitative Information Related to Significant Involvement in Unconsolidated Variable Interest Entities (Detail) - Trust Preferred Securities [Member] - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Variable Interest Entity [Line Items]
Aggregate Assets	$ 240,435	$ 240,468
Aggregate Liabilities	232,436	232,492
Risk Of Loss	$ 7,999	$ 7,976