10-Q

FORM 10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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

For the quarterly period ended June 30, 2018

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:    002-86947

United Bankshares, Inc.

(Exact name of registrant as specified in its charter)

West Virginia	55-0641179
(State or other jurisdiction of	(I.R.S. Employer
incorporation or organization)	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  ☒    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  ☒    No  ☐

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

Large accelerated filer	☒	Accelerated filer	☐
Non-accelerated filer	☐  (Do not check if a smaller reporting company)	Smaller reporting company	☐
		Emerging growth company	☐

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

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

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; 103,821,168 shares outstanding as of July 31, 2018.

UNITED BANKSHARES, INC. AND SUBSIDIARIES

FORM 10-Q

TABLE OF CONTENTS

		Page
PART I. FINANCIAL INFORMATION
Item 1.	Financial Statements
Consolidated Balance Sheets (Unaudited) June 30, 2018 and December 31, 2017			4
Consolidated Statements of Income (Unaudited) for the Three and Six Months Ended June  30, 2018 and 2017			5
Consolidated Statements of Comprehensive Income (Unaudited) for the Three and Six Months Ended June 30, 2018 and 2017			7
Consolidated Statement of Changes in Shareholders’ Equity (Unaudited) for the Six Months Ended June 30, 2018			8
Condensed Consolidated Statements of Cash Flows (Unaudited) for the Six Months Ended June  30, 2018 and 2017			9
Notes to Consolidated Financial Statements			10
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations		59
Item 3.	Quantitative and Qualitative Disclosures about Market Risk		81
Item 4.	Controls and Procedures		84
PART II. OTHER INFORMATION
Item 1.	Legal Proceedings		85
Item 1A.	Risk Factors		85
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds		85
Item 3.	Defaults Upon Senior Securities		86
Item 4.	Mine Safety Disclosures		86
Item 5.	Other Information		86
Item 6.	Exhibits		86
Signatures			87

2

PART I - FINANCIAL INFORMATION

Item 1. FINANCIAL STATEMENTS (UNAUDITED)

The June 30, 2018 and December 31, 2017, consolidated balance sheets of United Bankshares, Inc. and Subsidiaries (“United” or the “Company”), consolidated statements of income and comprehensive income for the three and six months ended June 30, 2018 and 2017, the related consolidated statement of changes in shareholders’ equity for the six months ended June 30, 2018, the related condensed consolidated statements of cash flows for the six months ended June 30, 2018 and 2017, 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)

	June 30 2018			December 31 2017
	(Unaudited)			(Note 1)
Assets
Cash and due from banks	$	230,965		$	196,742
Interest-bearing deposits with other banks		861,166			1,468,636
Federal funds sold		795			789
Total cash and cash equivalents		1,092,926			1,666,167
Securities available for sale at estimated fair value (amortized cost-$2,103,362 at June 30, 2018 and $1,900,684 at December 31, 2017)		2,060,927			1,888,756
Securities held to maturity (estimated fair value-$19,708 at June 30, 2018 and $20,018 at December 31, 2017)		20,378			20,428
Equity securities at estimated fair value		9,664			0
Other investment securities		175,334			162,461
Loans held for sale (at fair value-$282,439 at June 30, 2018 and $263,308 at December 31, 2017)		285,194			265,955
Loans		13,529,008			13,027,337
Less: Unearned income		(12,379	)		(15,916	)
Loans net of unearned income		13,516,629			13,011,421
Less: Allowance for loan losses		(77,135	)		(76,627	)
Net loans		13,439,494			12,934,794
Bank premises and equipment		100,260			104,894
Goodwill		1,478,014			1,478,380
Accrued interest receivable		57,270			52,815
Other assets		488,142			484,309
TOTAL ASSETS	$	19,207,603		$	19,058,959
Liabilities
Deposits:
Noninterest-bearing	$	4,331,840		$	4,294,687
Interest-bearing		9,498,926			9,535,904
Total deposits		13,830,766			13,830,591
Borrowings:
Federal funds purchased		14,000			16,235
Securities sold under agreements to repurchase		185,507			311,352
Federal Home Loan Bank borrowings		1,560,365			1,271,531
Other long-term borrowings		234,276			242,446
Reserve for lending-related commitments		927			679
Accrued expenses and other liabilities		139,197			145,595
TOTAL LIABILITIES		15,965,038			15,818,429
Shareholders’ Equity
Preferred stock, $1.00 par value; Authorized-50,000,000 shares, none issued		0			0
Common stock, $2.50 par value; Authorized-200,000,000 shares; issued-105,208,914 and 105,069,821 at June 30, 2018 and December 31, 2017, respectively, including 1,005,372 and 29,173 shares in treasury at June 30, 2018 and December 31, 2017, respectively		263,022			262,675
Surplus		2,131,697			2,129,077
Retained earnings		954,953			891,816
Accumulated other comprehensive loss		(70,001	)		(42,025	)
Treasury stock, at cost		(37,106	)		(1,013	)
TOTAL SHAREHOLDERS’ EQUITY		3,242,565			3,240,530
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$	19,207,603		$	19,058,959

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					Six Months Ended
	June 30					June 30
	2018			2017		2018			2017
Interest income
Interest and fees on loans	$	159,294		$	140,899	$	308,222		$	249,841
Interest on federal funds sold and other short-term investments		3,465			3,785		8,382			6,471
Interest and dividends on securities:
Taxable		13,810			8,809		25,685			16,820
Tax-exempt		1,431			1,454		2,896			2,573
Total interest income		178,000			154,947		345,185			275,705
Interest expense
Interest on deposits		19,076			12,586		34,733			21,054
Interest on short-term borrowings		464			415		885			719
Interest on long-term borrowings		9,338			5,701		16,402			10,067
Total interest expense		28,878			18,702		52,020			31,840
Net interest income		149,122			136,245		293,165			243,865
Provision for loan losses		6,204			8,251		11,382			14,150
Net interest income after provision for loan losses		142,918			127,994		281,783			229,715
Other income
Fees from trust services		3,104			2,863		6,195			5,893
Fees from brokerage services		1,953			1,882		4,177			3,738
Fees from deposit services		8,420			8,528		16,650			16,234
Bankcard fees and merchant discounts		1,479			1,216		2,835			2,100
Other service charges, commissions, and fees		599			521		1,108			998
Income from bank-owned life insurance		1,271			1,258		2,525			2,475
Income from mortgage banking activities		18,692			22,537		33,262			23,212
Net investment securities (losses) gains		(55	)		747		(540	)		4,687
Other income		544			954		987			1,315
Total other income		36,007			40,506		67,199			60,652
Other expense
Employee compensation		43,120			56,030		83,956			80,063
Employee benefits		9,298			9,760		18,869			16,663
Net occupancy expense		9,076			13,913		18,503			20,697
Other real estate owned (OREO) expense		556			524		1,502			1,938
Equipment expense		3,279			2,471		6,436			4,436
Data processing expense		5,817			5,331		11,667			9,374
Bankcard processing expense		480			442		946			907
FDIC insurance expense		2,842			1,771		4,690			3,522
Other expense		18,942			21,895		37,293			37,379
Total other expense		93,410			112,137		183,862			174,979
Income before income taxes		85,515			56,363		165,120			115,388
Income taxes		19,241			19,304		37,140			39,520
Net income	$	66,274		$	37,059	$	127,980		$	75,868

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CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - continued

UNITED BANKSHARES, INC. AND SUBSIDIARIES

(Dollars in thousands, except per share data)

	Three Months Ended				Six Months Ended
	June 30				June 30
	2018		2017		2018		2017
Earnings per common share:
Basic	$	0.63	$	0.37	$	1.22	$	0.84
Diluted	$	0.63	$	0.37	$	1.22	$	0.84
Dividends per common share	$	0.34	$	0.33	$	0.68	$	0.66
Average outstanding shares:
Basic		104,682,910		99,197,807		104,770,681		90,100,627
Diluted		104,952,788		99,620,045		105,058,014		90,570,289

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					Six Months Ended
	June 30					June 30
	2018			2017		2018			2017
Net income	$	66,274		$	37,059	$	127,980		$	75,868
Change in net unrealized gain (loss) on available-for-sale (AFS) securities, net of tax		(6,501	)		3,101		(23,274	)		6,479
Accretion of the net unrealized loss on the transfer of AFS securities to held-to-maturity (HTM) securities, net of tax		1			1		2			2
Change in pension plan assets, net of tax		1,052			695		1,785			1,390
Comprehensive income, net of tax	$	60,826		$	40,856	$	106,493		$	83,739

7

CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS’ EQUITY (Unaudited)

UNITED BANKSHARES, INC. AND SUBSIDIARIES

(Dollars in thousands, except per share data)

	Six Months Ended June 30, 2018
											Accumulated
	Common Stock										Other						Total
			Par					Retained			Comprehensive			Treasury			Shareholders’
	Shares		Value		Surplus			Earnings			Income (Loss)			Stock			Equity
Balance at January 1, 2018		105,069,821	$	262,675	$	2,129,077		$	891,816		($	42,025	)	($	1,013	)	$	3,240,530
Cumulative effect of adopting Accounting Standard Update 2016-01									136			(136	)					0
Reclass due to adopting Accounting Standard Update 2018-02									6,353			(6,353	)					0
Comprehensive income:
Net income		0		0		0			127,980			0			0			127,980
Other comprehensive income, net of tax:		0		0		0			0			(21,487	)		0			(21,487	)
Total comprehensive income, net of tax																		106,493
Stock based compensation expense		0		0		1,992			0			0			0			1,992
Purchase of treasury stock (973,346 shares)		0		0		0			0			0			(35,984	)		(35,984	)
Cash dividends ($0.68 per share)		0							(71,332	)		0			0			(71,332	)
Grant of restricted stock (97,004 shares)		97,004		243		(243	)		0			0			0			0
Forfeiture of restricted stock (2,853 shares)		0		0		109			0			0			(109	)		0
Common stock options exercised (42,089 shares)		42,089		104		762			0			0			0			866
Balance at June 30, 2018		105,208,914	$	263,022	$	2,131,697		$	954,953		($	70,001	)	($	37,106	)	$	3,242,565

See notes to consolidated unaudited financial statements.

8

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)

UNITED BANKSHARES, INC. AND SUBSIDIARIES

(Dollars in thousands)

	Six Months Ended
	June 30
	2018			2017
NET CASH PROVIDED BY OPERATING ACTIVITIES	$	98,498		$	35,919
INVESTING ACTIVITIES
Proceeds from maturities and calls of securities held to maturity		2			12,888
Proceeds from sales of securities available for sale		53,179			234,816
Proceeds from maturities and calls of securities available for sale		124,894			332,488
Purchases of securities available for sale		(391,186	)		(524,561	)
Proceeds from sales of equity securities		1,826			0
Purchases of equity securities		(380	)		0
Proceeds from sales and redemptions of other investment securities		15,606			9,272
Purchases of other investment securities		(33,279	)		(43,337	)
Purchases of bank premises and equipment		(2,159	)		(2,798	)
Proceeds from sales of bank premises and equipment		2,123			13
Proceeds from the sales of OREO properties		4,658			3,835
Acquisition of subsidiaries, net of cash paid		0			44,531
Net change in loans		(493,787	)		112,150
NET CASH (USED IN) PROVIDED BY INVESTING ACTIVITIES		(718,503	)		179,297
FINANCING ACTIVITIES
Cash dividends paid		(71,461	)		(52,092	)
Acquisition of treasury stock		(35,984	)		(1	)
Proceeds from exercise of stock options		851			2,546
Repayment of long-term Federal Home Loan Bank borrowings		(625,000	)		(825,191	)
Proceeds from issuance of long-term Federal Home Loan Bank borrowings		1,115,000			845,000
Repayment of trust preferred issuance		(9,374	)		0
Changes in:
Deposits		812			(174,557	)
Federal funds purchased, securities sold under agreements to repurchase and other short-term borrowings		(328,080	)		(34,444	)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES		46,764			(238,739	)
Decrease in cash and cash equivalents		(573,241	)		(23,523	)
Cash and cash equivalents at beginning of year		1,666,167			1,434,527
Cash and cash equivalents at end of period	$	1,092,926		$	1,411,004
Supplemental information
Noncash investing activities:
Transfers of loans to OREO	$	527		$	1,951

See notes to consolidated unaudited financial statements.

9

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

UNITED BANKSHARES, INC. AND SUBSIDIARIES

1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

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 June 30, 2018 and 2017 and for the three-month and six-month periods then ended have not been audited. The consolidated balance sheet as of December 31, 2017 has been extracted from the audited financial statements included in United’s 2017 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 2017 Annual Report of United on Form 10-K. To conform to the 2018 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 operates in two business segments: community banking and mortgage banking. All significant intercompany accounts and transactions have been eliminated in the consolidated financial statements. Information is presented in these notes to the unaudited consolidated interim financial statements with dollars expressed in thousands, except per share or unless otherwise noted.

New Accounting Standards

In June 2018, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) No. 2018-07 “Compensation-Stock Compensation (Topic 718):Improvements to Nonemployee Share-Based Payment Accounting.” This update has been issued as part of a simplification initiative which will expand the scope of Topic 718 to include share-based payment transactions for acquiring goods and services from non-employees and expands the scope through the amendments to address and improve aspects of the accounting for non-employee share-based payment transactions. Consequently, the accounting for share-based payments to nonemployees and employees will be substantially aligned. ASU No. 2018-07 is effective for public companies for fiscal years, and interim fiscal periods within those fiscal years, beginning after December 15, 2018; early adoption is permitted. ASU No. 2018-07 is not expected to have a material impact on the Company’s financial condition or results of operations.

In February 2018, the FASB issued ASU No. 2018-03, “Technical Corrections and Improvements to Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities.” ASU 2018-03 clarifies that entities that use the measurement alternative for equity securities without readily determinable fair values can change its measurement approach to fair value. This election is irrevocable and will apply to all future purchases of identical or similar investments of the same issuer. The amended guidance also clarifies that adjustments made under the measurement alternative should reflect the fair value of the security as of the date that an observable transaction took place rather than the current reporting date. Entities will use the prospective transition approach only for securities they elect to measure using the measurement alternative. ASU No. 2018-03 is effective for interim and annual reporting periods beginning after December 15, 2017; early adoption is permitted. ASU No. 2018-03 did not have a material impact on the Company’s financial condition or results of operations.

10

In February 2018, the FASB issued ASU No. 2018-02, “Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income,” to help organizations address certain stranded income tax effects in accumulated other comprehensive income (AOCI) resulting from the Tax Cuts and Jobs Act (the “Tax Act”). This ASU provides financial statement preparers with an option to reclassify stranded tax effects within AOCI to retained earnings in each period in which the effect of the change in the U.S. federal corporate income tax rate in the Tax Act (or portion thereof) is recorded. The amendments are effective for all organizations for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is permitted. Organizations should apply the proposed amendments either in the period of adoption or retrospectively to each period (or periods) in which the effect of the change in the U.S. federal corporate income tax rate in the Tax Act is recognized. United adopted ASU No. 2018-02 in the first quarter of 2018 and reclassified $6,353 of stranded income tax effected amounts in AOCI to retained earnings.

In August 2017, the FASB issued ASU No. 2017-12, “Targeting Improvement to Accounting for Hedging Activities.” This ASU amends ASC 815 and its objectives are to improve the transparency and understandability of information conveyed to financial statement users about an entity’s risk management activities by better aligning the entity’s financial reporting for hedging relationships with those risk management activities and reduce the complexity and simplify the application of hedge accounting by preparers. ASU No. 2017-12 is effective for interim and annual reporting periods beginning after December 15, 2018; early adoption is permitted. ASU No. 2017-12 is not expected to have a material impact on the Company’s financial condition or results of operations.

In July 2017, the FASB issued ASU No. 2017-11, “Part I, Accounting for Certain Financial Instruments with Down Round Features and Part II, Replacement of the Indefinite Deferral for Mandatorily Redeemable Financial Instruments of Certain Nonpublic Entities and Certain Mandatorily Redeemable Noncontrolling interests with a Scope Exception.” Part I of this ASU simplifies the accounting for financial instruments that include down round features while the amendments in Part II, which do not have an accounting effect, address the difficulty of navigating the guidance in ASC 480, “Distinguishing Liabilities from Equity”, due to the existence of extensive pending content in the Codification. ASU No. 2017-11 is effective for interim and annual reporting periods beginning after December 15, 2018. ASU No. 2017-11 is not expected to have a material impact on the Company’s financial condition or results of operations.

In May 2017, the FASB issued ASU No. 2017-09, “Stock Compensation, Scope of Modification Accounting.” This ASU clarifies when changes to the terms of conditions of a share-based payment award must be accounted for as modifications. Companies will apply the modification accounting guidance if the value, vesting conditions or classification of the award changes. The new guidance should reduce diversity in practice and result in fewer changes to the terms of an award being accounted for as modifications, as the guidance will allow companies to make certain non-substantive changes to awards without accounting for them as modifications. It does not change the accounting for modifications. ASU No. 2017-09 is effective for interim and annual reporting periods beginning after December 15, 2017; early adoption is permitted. ASU No. 2017-09 did not have a material impact on the Company’s financial condition or results of operations.

In March 2017, the FASB issued ASU No. 2017-07, “Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost.” ASU No. 2017-07 amends ASC 715, “Compensation - Retirement Benefits” and will change how employers that sponsor defined benefit pension and/or other postretirement benefit plans present the net periodic benefit cost in the income statement. Employers will present the service cost component of net periodic benefit cost in the same income statement line item as other employee compensation costs arising from services rendered during the period. Only the service cost component will be eligible for capitalization in assets. Employers will present the other components of the net periodic benefit cost separately from the line item that includes the service cost and outside of any subtotal of operating income, if one is presented. These components will

11

not be eligible for capitalization in assets. ASU No. 2017-07 was effective for United on January 1, 2018. The adoption of ASU No. 2017-07 had a slight change in presentation but did not materially impact the Company’s financial condition or results of operations. United used amounts previously disclosed in its Employee Benefits Plan footnote (Note 14) to retrospectively adjust prior period amounts of employee compensation and employee benefits within United’s Consolidated Statements of Income.

In January 2017, the FASB issued ASU No. 2017-04, “Intangibles – Goodwill and Other (Topic 350).” ASU No. 2017-04 eliminates the requirement to calculate the implied fair value of goodwill to measure a goodwill impairment charge. Instead, entities will record an impairment charge based on the excess of a reporting unit’s carrying amount over its fair value. ASU No. 2017-04 is effective for United on January 1, 2020, with early adoption permitted, and management is currently evaluating the possible impact this standard may have on the Company’s financial condition or results of operations.

In January 2017, the FASB issued ASU No. 2017-01, “Business Combinations (Topic 805): Clarifying the Definition of a Business.” ASU No. 2017-01 changes the definition of a business to assist entities with evaluation when a set of transferred assets and activities is a business. The guidance requires an entity to evaluate if substantially all of the fair value of the gross assets acquired is concentrated in a single identifiable asset or a group of similar identifiable assets. The guidance also requires a business to include at least one substantive process and narrows the definition of outputs by more closely aligning it with how outputs are described in ASC 606. ASU No. 2017-01 was effective for United on January 1, 2018 and did not have a material impact on the Company’s financial condition or results of operations.

In August 2016, the FASB issued ASU No. 2016-15, “Classification of Certain Cash Receipts and Cash Payments.” ASU No. 2016-15 amends ASC Topic 230 to add and clarify guidance on the classification of certain cash receipts and payments in the statement of cash flows as a result of diversity in practice and in certain circumstances, financial statement restatements. Entities should apply ASU No. 2016-15 using a retrospective transition method to each period presented. ASU No. 2016-15 was effective for United on January 1, 2018 and did not have a material impact on the Company’s financial condition or results of operations.

In June 2016, the FASB issued ASU No. 2016-13, “Financial Instruments – Credit Losses.” ASU No. 2016-13 changes the impairment model for most financial assets and certain other instruments that aren’t measured at fair value through net income. The standard will replace today’s “incurred loss” approach with an “expected loss” model for instruments measured at amortized cost and require entities to record allowances for available-for-sale debt securities rather than reduce the carrying amount under the current other-than-temporary impairment (OTTI) model. ASU No. 2016-13 also simplifies the accounting model for purchased credit-impaired debt securities and loans. Entities will apply the standard’s provisions as a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is effective. ASU No. 2016-13 is effective for United on January 1, 2020, with early adoption permitted, and management is currently evaluating the possible impact this standard may have on the Company’s financial condition or results of operations.

In March 2016, the FASB issued ASU No. 2016-09, “Compensation-Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting.” ASU No. 2016-09 will change certain aspects of accounting for share-based payments to employees. The new guidance will, amongst other things, require all income tax effects of awards to be recognized in the income statement when the awards vest or are settled. The requirement to report those income tax effects in earnings was applied to settlements occurring on or after January 1, 2017 and the impact of applying that guidance reduced reporting income tax expense by $1,048 for the year of 2017. ASU No. 2016-09 also allows an employer to repurchase more of an employee’s shares than it could previously for tax withholding purposes without triggering liability accounting and make a policy election to account for forfeitures as they occur. The Company will continue to estimate the number of awards expected to be forfeited and adjust the estimate when it is no longer probable that the employee will fulfill the service condition, as was previously required. ASU No. 2016-09 also requires that all income tax-related cash flows resulting from share-based payments be reported as operating activities

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in the statement of cash flows. Previously, income tax benefits at settlement of an award were reported as a reduction to operating cash flows and an increase to financing cash flows to the extent that those benefits exceeded the income tax benefits reported in earnings during the award’s vesting period. The adoption of ASU No. 2016-09 did not have a material impact on the Company’s financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-02, “Leases (Topic 842)”. ASU No. 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 No. 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, which has not yet been quantified, with 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 No. 2016-02 is effective for United on January 1, 2019. The Company is currently assessing the impact of the adoption of ASU No. 2016-02 on the Company’s results of operations, financial position and cash flows. The Company has evaluated and plans to elect the practical expedients, which would allow for existing leases to be accounted for consistent with current guidance, with the exception of the balance sheet recognition for lessees. The election of these practical expedients will simplify the accounting for leases and the implementation of ASU No. 2016-02. As a lessee, United had $69,844 in total future minimum lease payments for operating leases as of December 31, 2017. However, the population of contracts requiring balance sheet recognition and their initial measurement continues to be under evaluation. To assist in determining this information as well as the additional requirements of the new standard, the Company has evaluated and selected a third-party lease accounting software solution as part of its implementation strategy. The Company is also documenting the new lease accounting process and has drafted internal controls over financial reporting as part of the implementation process.

In January 2016, the FASB issued ASU No. 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 No. 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 No. 2016-01 was adopted by United on January 1, 2018 and did not have a significant impact on the Company’s financial condition or results of operations.

In May 2014, the FASB issued ASU No. 2014-09, “Revenue from Contracts with Customers (Topic 606).” ASU No. 2014-09 supersedes the revenue recognition requirements in ASC Topic 605, “Revenue Recognition”, and most industry-specific guidance throughout the ASC. 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. For United, revenue is comprised of net interest income and noninterest income. As the standard does not apply to revenue associated with financial instruments, net interest income, gains and losses from securities, income from bank-owned life insurance (BOLI) and income from mortgage banking activities are not impacted by the standard. Based on a review and evaluation of a number of revenue contracts, United’s management determined that ASU No. 2014-09 impacts certain recurring revenue streams related to noninterest income such as fees from trust and brokerage services. However, based on an assessment of these revenue streams under the standard, management concluded that ASU No. 2014-09 does not have a material impact on the Company’s financial condition or results of operations. In addition, in the Company’s evaluation of the nature of its contracts with customers, United has determined that further disaggregation of revenue from contracts with customers into more granular categories beyond those presented in the Consolidated Statements of Income was not necessary. ASU No. 2014-09 was adopted by United on January 1, 2018 using the modified-retrospective transition method. No cumulative effect adjustment was made to the opening balance of retained earnings because the amount was considered immaterial. The impact of ASU No. 2014-09 for the first six months of 2018 was also immaterial to United’s consolidated financial position, results of operations, shareholders’ equity, cash flows and disclosures.

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Descriptions of our revenue-generating activities that are within the scope of ASC Topic 606, which are presented in our Consolidated Statements of Income as components of Other Income are discussed below. There are no significant judgements relating to the amount and timing of revenue recognition for those revenue streams under the scope of ASC Topic 606.

Fees from Trust Services

Revenue from trust services primarily is comprised of fees earned from the management and administration of trusts and other customer assets. Trust services include custody of assets, investment management, escrow services, and similar fiduciary activities. The Company’s performance obligation is generally satisfied over time and the resulting fees are recognized monthly, based upon the month-end market value of the assets under management and the applicable fee rate. Payment is generally received a few days after month end through a direct charge to customers’ accounts.

Fees from Brokerage Services

Revenue from brokerage services are recorded as the income is earned at the time the related service is performed. In return for such services, the Company charges a commission for the sales of various securities products primarily consisting of investment company shares, annuity products, and corporate debt and equity securities, for its selling and administrative efforts. For account supervision, advisory and administrative services, revenue is recognized over a period of time as earned based on customer account balances and activity.

Fees from Deposit Services

Service charges on deposit accounts consist of account analysis fees (i.e., net fees earned on analyzed business and public checking accounts), monthly service fees, check orders, ATM activity fees, debit card fees, and other deposit account related fees. Revenue is recognized when our performance obligation is completed which is generally monthly for account maintenance services or when a transaction has been completed (ATM or debit card activity).

Bankcard Fees and Merchant Discounts

Bankcard fees and merchant discounts are primarily comprised of credit card income and merchant services income. Credit card income is primarily comprised of interchange fees earned whenever the Company’s credit cards are processed through card payment networks such as Visa. Merchant services income mainly represents fees charged to merchants to process their credit card transactions. The Company’s performance obligation for bankcard fees and exchange are largely satisfied, and related revenue recognized at the time services are rendered. Payment is typically received immediately or in the following month.

2. MERGERS AND ACQUISITIONS

Cardinal Financial Corporation

On April 21, 2017 (Cardinal Acquisition Date), United acquired 100% of the outstanding common stock of Cardinal Financial Corporation (Cardinal), headquartered in Tysons Corner, Virginia. The acquisition of Cardinal expands United’s existing footprint in the Washington, D.C. Metropolitan Statistical Area. At consummation, Cardinal had assets of $4,136,008, loans of $3,313,033 and deposits of $3,344,740. Cardinal also operated George Mason Mortgage, LLC (George Mason), a residential mortgage lending company based in Fairfax, Virginia with offices located in Virginia, Maryland, North Carolina, South Carolina and the District of Columbia. As a result of the merger, George Mason became an indirectly-owned subsidiary of United.

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The merger was accounted for under the acquisition method of accounting. The results of operations of Cardinal are included in the consolidated results of operations from the Cardinal Acquisition Date.

The aggregate purchase price was approximately $975,254, including common stock valued at $972,499, stock options assumed valued at $2,741, and cash paid for fractional shares of $14. The number of shares issued in the transaction was 23,690,589, which were valued based on the closing market price of $41.05 for United’s common shares on April 21, 2017. The purchase price has been allocated to the identifiable tangible and intangible assets resulting in additions to goodwill, core deposit intangibles and the George Mason trade name intangible of $612,920, $28,724 and $1,080, respectively. The core deposit intangibles are being amortized over ten years. The George Mason trade name provides a source of market recognition to attract potential clients and retain existing relationships. United believes the George Mason trade name provides a competitive advantage and is likely going to be used into perpetuity and thus will not be subject to amortization, but rather be evaluated for impairment.

Because the consideration paid was greater than the net fair value of the acquired assets and liabilities, the Company recorded goodwill as part of the acquisition. None of the goodwill from the Cardinal acquisition is deductible for tax purposes. United used an independent third party to help determine the fair values of the assets and liabilities acquired from Cardinal. As a result of the merger, United recorded fair value discounts of $144,434 on the loans acquired, $2,281 on leases and $8,738 on trust preferred issuances, respectively, and premiums of $4,408 on land acquired, $5,072 on interest-bearing deposits and $10,740 on long-term FHLB advances, respectively. The remaining discount and premium amounts are being accreted or amortized on an accelerated or straight-line basis over each asset’s or liability’s estimated remaining life at the time of acquisition except for loans and land. The discount on loans will be accreted into income based on the effective yield method. The premium on land will not be amortized. At June 30, 2018, the discounts on leases and trust preferred issuances had an average estimated remaining life of 5.25 years and 16.22 years, respectively, and the premiums on the interest-bearing deposits and the FHLB advances each had an average estimated remaining life of 4.25 years and 4.06 years, respectively. United assumed approximately $1,825 of liabilities to provide severance benefits to terminated employees of Cardinal, which has no remaining balance as of June 30, 2018. The estimated fair values of the acquired assets and assumed liabilities, including identifiable intangible assets and goodwill are considered final as of June 30, 2018.

In many cases, determining the estimated fair value of the acquired assets and assumed liabilities required United to estimate cash flows expected to result from those assets and liabilities and to discount those cash flows at appropriate rates of interest. The most significant of those determinations related to the fair value of acquired loans. The fair value of the acquired loans was based on the present value of the expected cash flows. Periodic principal and interest cash flows were adjusted for expected losses and prepayments, then discounted to determine the present value and summed to arrive at the estimated fair value. For such loans, the excess of cash flows expected at acquisition over the estimated fair value is recognized as interest income over the remaining lives of the loans. The difference between contractually required payments at acquisition and the cash flows expected to be collected at acquisition reflects the impact of estimated credit losses and other factors, such as prepayments. In accordance with GAAP, there was no carry-over of Cardinal’s previously established allowance for loan losses.

The acquired loans were 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. Subsequent decreases in the expected cash flows require United to evaluate the need for additions to the Company’s allowance for credit losses. Subsequent improvements in expected cash flows generally result in the recognition of additional interest income over the then remaining lives of the loans.

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In conjunction with the Cardinal merger, the acquired loan portfolio was accounted for at fair value as follows:

	April 21, 2017
Contractually required principal and interest at acquisition	$	4,211,734
Contractual cash flows not expected to be collected		(56,176	)
Expected cash flows at acquisition		4,155,558
Interest component of expected cash flows		(986,959	)
Basis in acquired loans at acquisition – estimated fair value	$	3,168,599

Included in the above table is information related to acquired impaired loans. Specifically, contractually required principal and interest, cash flows expected to be collected and estimated fair value of acquired impaired loans were $132,837, $108,275, and $86,696, respectively.

The consideration paid for Cardinal’s common equity and the amounts of acquired identifiable assets and liabilities assumed as of the Cardinal Acquisition Date were as follows:

Purchase price:
Value of common shares issued (23,690,589 shares)	$	972,499
Fair value of stock options assumed		2,741
Cash for fractional shares		14
Total purchase price		975,254
Identifiable assets:
Cash and cash equivalents		44,545
Investment securities		395,829
Loans held for sale		271,301
Loans		3,168,599
Premises and equipment		24,774
Core deposit intangibles		28,724
George Mason trade name intangible		1,080
Other assets		135,383
Total identifiable assets	$	4,070,235
Identifiable liabilities:
Deposits	$	3,349,812
Short-term borrowings		96,215
Long-term borrowings		220,119
Unfavorable lease liability		2,281
Other liabilities		39,474
Total identifiable liabilities		3,707,901
Fair value of net assets acquired including identifiable intangible assets		362,334
Resulting goodwill	$	612,920

The operating results of United for the six months ended June 30, 2018 include operating results of acquired assets and assumed liabilities subsequent to the Cardinal Acquisition Date. The operations of United’s metropolitan Washington D.C. geographic area, which primarily includes the acquired operations of Cardinal, provided $431,463 in total revenues, which represents net interest income plus other income, and $212,834 in net income from the period from the Cardinal Acquisition Date to June 30, 2018. These amounts are included in United’s consolidated financial statements as of and for the six months ended June 30, 2018. Cardinal’s results of operations prior to the Cardinal Acquisition Date are not included in United’s consolidated financial statements.

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3. INVESTMENT SECURITIES

Securities Available for Sale

Securities held for indefinite periods of time 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.

	June 30, 2018
			Gross		Gross		Estimated		Cumulative
	Amortized		Unrealized		Unrealized		Fair		OTTI in
	Cost		Gains		Losses		Value		AOCI (1)
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	144,867	$	8	$	1,060	$	143,815	$	0
State and political subdivisions		276,516		897		5,233		272,180		0
Residential mortgage-backed securities
Agency		913,926		766		24,562		890,130		0
Non-agency		4,306		487		0		4,793		86
Commercial mortgage-backed securities
Agency		513,212		127		11,936		501,403		0
Asset-backed securities		166,355		342		566		166,131		0
Trust preferred collateralized debt obligations		6,177		91		450		5,818		2,586
Single issue trust preferred securities		8,742		234		738		8,238		0
Other corporate securities		69,261		174		1,016		68,419		0
Total	$	2,103,362	$	3,126	$	45,561	$	2,060,927	$	2,672
	December 31, 2017
			Gross		Gross		Estimated		Cumulative
	Amortized		Unrealized		Unrealized		Fair		OTTI in
	Cost		Gains		Losses		Value		AOCI (1)
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	114,735	$	385	$	362	$	114,758	$	0
State and political subdivisions		303,101		3,197		2,429		303,869		0
Residential mortgage-backed securities
Agency		821,857		2,096		9,360		814,593		0
Non-agency		4,969		543		0		5,512		86
Commercial mortgage-backed securities
Agency		457,107		1,059		3,309		454,857		0
Asset-backed securities		109,829		148		7		109,970		0
Trust preferred collateralized debt obligations		37,856		542		4,129		34,269		20,770
Single issue trust preferred securities		13,417		368		1,225		12,560		0
Other corporate securities		28,101		407		18		28,490		0
Marketable equity securities		9,712		179		13		9,878		0
Total	$	1,900,684	$	8,924	$	20,852	$	1,888,756	$	20,856

(1) Non-credit related 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 June 30, 2018 and December 31, 2017.

	Less than 12 months				12 months or longer
	Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses
June 30, 2018
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	116,482	$	964	$	22,771	$	97
State and political subdivisions		137,435		1,710		57,150		3,524
Residential mortgage-backed securities
Agency		664,630		16,051		190,576		8,511
Non-agency		0		0		0		0
Commercial mortgage-backed securities
Agency		415,526		10,289		69,225		1,647
Asset-backed securities		75,437		566		0		0
Trust preferred collateralized debt obligations		0		0		2,050		450
Single issue trust preferred securities		0		0		4,980		737
Other corporate securities		51,304		1,015		0		0
Total	$	1,460,814	$	30,595	$	346,752	$	14,966
	Less than 12 months				12 months or longer
	Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses
December 31, 2017
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	36,678	$	230	$	22,920	$	132
State and political subdivisions		82,896		566		59,432		1,863
Residential mortgage-backed securities
Agency		460,414		4,621		182,482		4,739
Non-agency		0		0		0		0
Commercial mortgage-backed securities
Agency		282,858		2,386		70,763		923
Asset-backed securities		27,931		7		0		0
Trust preferred collateralized debt obligations		0		0		28,629		4,129
Single issue trust preferred securities		0		0		4,485		1,225
Other corporate securities		6,975		18		0		0
Marketable equity securities		0		0		363		13
Total	$	897,752	$	7,828	$	369,074	$	13,024

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.

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	Three Months Ended June  30				Six Months Ended June  30
	2018		2017		2018		2017
Proceeds from sales and calls	$	75,157	$	468,506	$	174,860	$	567,304
Gross realized gains		58		845		1,221		1,059
Gross realized losses		85		82		1,397		82

At June 30, 2018, gross unrealized losses on available for sale securities were $45,561 on 668 securities of a total portfolio of 858 available for sale securities. Securities in an unrealized loss position at June 30, 2018 consisted primarily of state and political subdivision securities, and agency commercial and residential mortgage-backed securities. The state and political subdivisions securities relate to securities issued by various municipalities. The agency commercial and residential mortgage-backed securities relate to commercial and residential properties and provide a guaranty of full and timely payments of principal and interest by the issuing agency.

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.

State and political subdivisions

United’s state and political subdivisions portfolio relates to securities issued by various municipalities located throughout the United States. The total amortized cost of available for sale state and political subdivision securities was $276,516 at June 30, 2018. As of June 30, 2018, approximately 75% of the portfolio was supported by the general obligation of the issuing municipality, which allows for the securities to be repaid by any means available to the municipality. The majority of the portfolio was rated AA or higher, and less than one percent of the portfolio was rated below investment grade as of June 30, 2018. In addition to monitoring the credit ratings of these securities, management also evaluates the financial performance of the underlying issuers on an ongoing basis. Based upon management’s analysis and judgment, it was determined that none of the state and political subdivision securities were other-than-temporarily impaired at June 30, 2018.

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 $1,427,138 at June 30, 2018. Of the $1,427,138 amount, $513,212 was related to agency commercial mortgage-backed securities and $913,926 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 June 30, 2018.

Non-agency residential mortgage-backed securities

United’s non-agency residential mortgage-backed securities portfolio relates to securities of various private label issuers. The total amortized cost of available for sale non-agency residential mortgage-backed securities was $4,306 at June 30, 2018. Of the $4,306 amount, $250 was rated above investment grade and $4,056 was rated below investment grade. The entire portfolio of the non-agency residential mortgage-backed securities are either the senior or super-senior tranches of their respective structure. Based upon management’s analysis and judgment, it was determined that none of the non-agency mortgage-backed securities were other-than-temporarily impaired at June 30, 2018.

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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 second quarter of 2018, it was determined that none of the single issue trust preferred securities were other-than-temporarily impaired. All single issue trust preferred securities are currently receiving interest payments. The amortized cost of available for sale single issue trust preferred securities as of June 30, 2018 consisted of $3,024 in investment grade bonds and $5,718 in unrated bonds. The investment grade bonds were rated BBB-. All of the unrated bonds were in an unrealized loss position for twelve months or longer as of June 30, 2018.

Trust preferred collateralized debt obligations (Trup Cdos)

The total amortized cost balance of United’s Trup Cdo portfolio was $6,177 as of June 30, 2018. For any securities in an unrealized loss position, 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 June 30, 2018, the Company has determined that it does not intend to sell any Trup Cdo 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. 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 June 30, 2018 is other-than-temporarily impaired.

Corporate securities

As of June 30, 2018, United’s Corporate securities portfolio had a total amortized cost balance of $69,261. The majority of the portfolio consisted of debt issuances of corporations representing a variety of industries, including financial institutions. Of the $69,261, 70% was investment grade rated and 30% was unrated. For corporate 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 corporate securities were other-than-temporarily impaired at June 30, 2018.

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 June  30				Six Months Ended June  30
	2018		2017		2018			2017
Balance of cumulative credit losses at beginning of period	$	3,199	$	22,162	$	18,060		$	22,162
Reductions for securities sold or paid off during the period		0		0		(14,861	)		0
Balance of cumulative credit losses at end of period	$	3,199	$	22,162	$	3,199		$	22,162

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The amortized cost and estimated fair value of securities available for sale at June 30, 2018 and December 31, 2017 by contractual maturity are shown as follows. Expected maturities may differ from contractual maturities because the issuers may have the right to call or prepay obligations without penalties.

	June 30, 2018				December 31, 2017
			Estimated				Estimated
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
Due in one year or less	$	68,381	$	68,272	$	50,311	$	50,212
Due after one year through five years		510,595		503,142		386,039		384,585
Due after five years through ten years		447,739		435,727		400,129		398,208
Due after ten years		1,076,647		1,053,786		1,054,493		1,045,873
Marketable equity securities		0		0		9,712		9,878
Total	$	2,103,362	$	2,060,927	$	1,900,684	$	1,888,756

Securities Held to Maturity

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

	June 30, 2018
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	5,132	$	181	$	0	$	5,313
State and political subdivisions		5,798		9		0		5,807
Residential mortgage-backed securities
Agency		21		3		0		24
Single issue trust preferred securities		9,407		0		863		8,544
Other corporate securities		20		0		0		20
Total	$	20,378	$	193	$	863	$	19,708
	December 31, 2017
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	5,187	$	308	$	0	$	5,495
State and political subdivisions		5,797		10		0		5,807
Residential mortgage-backed securities
Agency		23		3		0		26
Single issue trust preferred securities		9,401		0		731		8,670
Other corporate securities		20		0		0		20
Total	$	20,428	$	321	$	731	$	20,018

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 June 30, 2018, the Company’s largest held-to-maturity single-issue trust preferred exposure was to SunTrust Bank ($7,430). The two held-to-maturity single-issue trust preferred exposures with at least one rating below investment grade included SunTrust Bank ($7,430) and Royal Bank of Scotland ($976).

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There were no gross realized gains or losses on calls and sales of held to maturity securities included in earnings for the second quarter and first six months of 2018 and 2017.

The amortized cost and estimated fair value of debt securities held to maturity at June 30, 2018 and December 31, 2017 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.

	June 30, 2018				December 31, 2017
			Estimated				Estimated
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
Due in one year or less	$	2,000	$	2,000	$	0	$	0
Due after one year through five years		7,290		7,478		9,344		9,660
Due after five years through ten years		8,092		7,610		5,663		5,343
Due after ten years		2,996		2,620		5,421		5,015
Total	$	20,378	$	19,708	$	20,428	$	20,018

Equity securities at fair value

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 fair value of United’s equity securities was $9,664 at June 30, 2018. Prior to the adoption of ASU No. 2016-01 on January 1, 2018, equity securities were included in available for sale securities.

	Three Months Ended June  30, 2018			Six Months Ended June  30, 2018
Net gains (losses) recognized during the period	$	(28	)	$	(64	)
Net gains (losses) recognized during the period on equity securities sold		(4	)		(2	)
Unrealized gains recognized during the period on equity securities still held at period end		11			50
Unrealized losses recognized during the period on equity securities still held at period end		35			112

Other investment securities

During the second quarter of 2018, United evaluated all of its cost method investments to determine if certain events or changes in circumstances during the second quarter of 2018 had a significant adverse effect on the fair value of any of its cost method securities. United determined that there was no individual security that experienced an adverse event during the second quarter. There were no other events or changes in circumstances during the second quarter which would have an adverse effect on the fair value of its cost method securities.

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 $1,735,336 and $1,403,565 at June 30, 2018 and December 31, 2017, respectively.

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4. LOANS

Major classes of loans are as follows:

	June 30, 2018		December 31, 2017
Commercial, financial and agricultural:
Owner-occupied commercial real estate	$	1,366,814	$	1,361,629
Nonowner-occupied commercial real estate		4,435,910		4,451,298
Other commercial loans		2,209,191		1,998,979
Total commercial, financial & agricultural		8,011,915		7,811,906
Residential real estate		3,300,472		2,996,171
Construction & land development		1,396,853		1,504,907
Consumer:
Bankcard		9,717		10,314
Other consumer		810,051		704,039
Total gross loans	$	13,529,008	$	13,027,337

The table above does not include loans held for sale of $285,194 and $265,955 at June 30, 2018 and December 31, 2017, 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 previously acquired impaired loans with a recorded investment of $168,497 or 1.25% of total gross loans at June 30, 2018 and $210,521 or 1.62% of total gross loans at December 31, 2017. The contractual principal in these acquired impaired loans was $221,983 and $285,964 at June 30, 2018 and December 31, 2017, 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 six months of 2018 follows:

Accretable yield at the beginning of the period	$	39,098
Accretion (including cash recoveries)		(8,371	)
Additions		0
Net reclassifications to accretable from non-accretable		9,803
Disposals (including maturities, foreclosures, and charge-offs)		(3,323	)
Accretable yield at the end of the period	$	37,207

United’s subsidiary bank has made loans to the directors and officers of United and its subsidiaries, and to their affiliates. The aggregate dollar amount of these loans was $32,506 and $36,360 at June 30, 2018 and December 31, 2017, 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 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

23

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 June 30, 2018, United had TDRs of $60,384 as compared to $50,129 as of December 31, 2017. Of the $60,384 aggregate balance of TDRs at June 30, 2018, $46,652 was on nonaccrual, $84 were 90 days or more past due and $1,148 were 30 to 89 days past due. Of the $50,129 aggregate balance of TDRs at December 31, 2017, $30,868 was on nonaccrual, $95 were 90 days or more past due and $1,254 were 30 to 89 days past due. All these amounts are included in the appropriate categories in the “Age Analysis of Past Due Loans” table on a subsequent page. As of June 30, 2018, there were no commitments to lend additional funds to debtors owing receivables whose terms have been modified in TDRs. At June 30, 2018, United had restructured loans in the amount of $1,715 that were modified by a reduction in the interest rate, $1,859 that were modified by a combination of a reduction in the interest rate and the principal and $56,810 that were 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 unless it does not perform in accordance with its restructured contractual provisions.

The following table sets forth United’s troubled debt restructurings that have been restructured during the three months ended June 30, 2018 and 2017, segregated by class of loans:

	Troubled Debt Restructurings
	For the Three Months Ended
	June 30, 2018						June 30, 2017
	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		1	$	5,333	$	5,333
Nonowner-occupied		0		0		0		0		0		0
Other commercial		4		9,571		9,571		4		21,355		21,355
Residential real estate		2		6,953		6,953		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		6	$	16,524	$	16,524		5	$	26,688	$	26,688

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The following table sets forth United’s troubled debt restructurings that have been restructured during the six months ended June 30, 2018 and 2017, segregated by class of loans:

	Troubled Debt Restructurings
	For the Six Months Ended
	June 30, 2018						June 30, 2017
	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		1	$	5,333	$	5,333
Nonowner-occupied		0		0		0		0		0		0
Other commercial		4		9,571		9,571		8		24,107		24,032
Residential real estate		2		6,953		6,953		0		0		0
Construction & land development		0		0		0		1		1,456		1,437
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		0		0		0		0		0		0
Total		6	$	16,524	$	16,524		10	$	30,896	$	30,802

During both the second quarter and first six months of 2018, $16,524 of restructured loans were modified by a change in loan terms. During the second quarter and first six months of 2017, $26,688 and $30,802, respectively, of restructured loans were modified by a change in loan 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 June 30, 2018 and 2017 subsequently defaulted, resulting in a principal charge-off during the first six months of 2018 and 2017, 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 June 30, 2018

	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	$	13,261	$	18,602	$	31,863	$	1,334,951	$	1,366,814	$	1,377
Nonowner-occupied		14,118		16,924		31,042		4,404,868		4,435,910		1,301
Other commercial		9,598		54,562		64,160		2,145,031		2,209,191		2,313
Residential real estate		37,135		28,705		65,840		3,234,632		3,300,472		9,866
Construction & land development		2,910		17,345		20,255		1,376,598		1,396,853		802
Consumer:
Bankcard		427		165		592		9,125		9,717		165
Other consumer		6,618		969		7,587		802,464		810,051		682
Total	$	84,067	$	137,272	$	221,339	$	13,307,669	$	13,529,008	$	16,506

(1) Other includes loans with a recorded investment of $168,497 acquired and accounted for under ASC Topic 310-30 “Loans and Debt Securities Acquired with Deteriorated Credit Quality”.

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Age Analysis of Past Due Loans

As of December 31, 2017

(In thousands)	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	$	7,968	$	13,663	$	21,631	$	1,339,998	$	1,361,629	$	458
Nonowner-occupied		10,398		20,448		30,846		4,420,452		4,451,298		634
Other commercial		11,533		68,476		80,009		1,918,970		1,998,979		940
Residential real estate		35,300		28,637		63,937		2,932,234		2,996,171		6,519
Construction & land development		1,615		17,190		18,805		1,486,102		1,504,907		385
Consumer:
Bankcard		449		186		635		9,679		10,314		186
Other consumer		9,288		968		10,256		693,783		704,039		775
Total	$	76,551	$	149,568	$	226,119	$	12,801,218	$	13,027,337	$	9,897

(1) Other includes loans with a recorded investment of $210,521 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

	June  30, 2018		December 31, 2017
Commercial real estate:
Owner-occupied	$	17,225	$	13,205
Nonowner-occupied		15,623		19,814
Other commercial		52,249		67,536
Residential real estate		18,839		22,118
Construction & land development		16,543		16,805
Consumer:
Bankcard		0		0
Other consumer		287		193
Total	$	120,766	$	139,671

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 generally considered special mention.

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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 June 30, 2018
	Commercial Real Estate				Other Commercial		Construction & Land Development
	Owner- occupied		Nonowner- occupied
Grade:
Pass	$	1,279,444	$	4,282,361	$	2,100,084	$	1,312,907
Special mention		31,737		56,404		16,523		4,402
Substandard		55,633		97,145		89,566		79,544
Doubtful		0		0		3,018		0
Total	$	1,366,814	$	4,435,910	$	2,209,191	$	1,396,853
As of December 31, 2017
	Commercial Real Estate				Other Commercial		Construction & Land Development
	Owner- occupied		Nonowner- occupied
Grade:
Pass	$	1,276,088	$	4,312,985	$	1,848,868	$	1,413,706
Special mention		20,165		57,618		55,564		5,196
Substandard		65,376		80,695		90,625		86,005
Doubtful		0		0		3,922		0
Total	$	1,361,629	$	4,451,298	$	1,998,979	$	1,504,907

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Credit Quality Indicators

Consumer Credit Exposure

As of June 30, 2018
	Residential Real Estate		Bankcard		Other Consumer
Grade:
Pass	$	3,239,999	$	9,125	$	802,394
Special mention		25,077		427		6,671
Substandard		35,396		165		986
Doubtful		0		0		0
Total	$	3,300,472	$	9,717	$	810,051
As of December 31, 2017
	Residential Real Estate		Bankcard		Other Consumer
Grade:
Pass	$	2,945,266	$	9,679	$	693,727
Special mention		18,025		449		9,334
Substandard		32,880		186		978
Doubtful		0		0		0
Total	$	2,996,171	$	10,314	$	704,039

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
	June 30, 2018						December 31, 2017
	Recorded Investment		Unpaid Principal Balance		Related Allowance		Recorded Investment		Unpaid Principal Balance		Related Allowance
With no related allowance recorded:
Commercial real estate:
Owner-occupied	$	72,883	$	73,343	$	0	$	78,117	$	78,419	$	0
Nonowner-occupied		99,098		99,159		0		134,136		134,195		0
Other commercial		52,375		61,377		0		46,993		49,552		0
Residential real estate		24,315		25,078		0		26,751		28,202		0
Construction & land development		45,497		50,132		0		52,279		59,691		0
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		23		23		0		15		15		0
With an allowance recorded:
Commercial real estate:
Owner-occupied	$	4,766	$	4,766	$	978	$	9,132	$	9,132	$	2,251
Nonowner-occupied		10,463		10,463		1,693		7,797		7,797		1,592
Other commercial		44,671		50,278		14,676		60,512		70,396		16,721
Residential real estate		12,097		13,539		1,460		9,813		10,418		1,552

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	Impaired Loans
	June 30, 2018						December 31, 2017
	Recorded Investment		Unpaid Principal Balance		Related Allowance		Recorded Investment		Unpaid Principal Balance		Related Allowance
Construction & land development		2,001		4,654		277		1,383		1,383		229
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		0		0		0		0		0		0
Total:
Commercial real estate:
Owner-occupied	$	77,649	$	78,109	$	978	$	87,249	$	87,551	$	2,251
Nonowner-occupied		109,561		109,622		1,693		141,933		141,992		1,592
Other commercial		97,046		111,655		14,676		107,505		119,948		16,721
Residential real estate		36,412		38,617		1,460		36,564		38,620		1,552
Construction & land development		47,498		54,786		277		53,662		61,074		229
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		23		23		0		15		15		0

	Impaired Loans
	For the Three Months Ended
	June 30, 2018				June 30, 2017
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
With no related allowance recorded:
Commercial real estate:
Owner-occupied	$	74,330	$	354	$	69,670	$	412
Nonowner-occupied		108,343		159		109,003		168
Other commercial		52,384		246		58,597		226
Residential real estate		24,220		85		20,713		54
Construction & land development		46,909		98		36,182		83
Consumer:
Bankcard		0		0		0		0
Other consumer		32		0		36		0
With an allowance recorded:
Commercial real estate:
Owner-occupied	$	5,319	$	6	$	14,102	$	159
Nonowner-occupied		9,503		60		14,147		12
Other commercial		46,376		10		72,568		157
Residential real estate		11,992		11		15,485		34
Construction & land development		2,008		20		2,587		21
Consumer:
Bankcard		0		0		0		0
Other consumer		0		0		0		0
Total:
Commercial real estate:
Owner-occupied	$	79,649	$	360	$	83,772	$	571
Nonowner-occupied		117,846		219		123,150		180
Other commercial		98,760		256		131,165		383
Residential real estate		36,212		96		36,198		88
Construction & land development		48,917		118		38,769		104
Consumer:
Bankcard		0		0		0		0
Other consumer		32		0		36		0

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	Impaired Loans
	For the Six Months Ended
	June 30, 2018				June 30, 2017
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
With no related allowance recorded:
Commercial real estate:
Owner-occupied	$	75,592	$	739	$	62,615	$	837
Nonowner-occupied		116,941		328		105,045		347
Other commercial		50,587		470		53,076		496
Residential real estate		25,064		180		21,468		103
Construction & land development		48,699		197		35,903		164
Consumer:
Bankcard		0		0		0		0
Other consumer		26		0		36		0
With an allowance recorded:
Commercial real estate:
Owner-occupied	$	6,590	$	31	$	9,997	$	318
Nonowner-occupied		8,934		119		15,411		87
Other commercial		51,088		28		63,783		622
Residential real estate		11,266		21		14,345		83
Construction & land development		1,800		40		3,372		42
Consumer:
Bankcard		0		0		0		0
Other consumer		0		0		0		0
Total:
Commercial real estate:
Owner-occupied	$	82,182	$	770	$	72,612	$	1,155
Nonowner-occupied		125,875		447		120,456		434
Other commercial		101,675		498		116,859		1,118
Residential real estate		36,330		201		35,813		186
Construction & land development		50,499		237		39,275		206
Consumer:
Bankcard		0		0		0		0
Other consumer		26		0		36		0

At June 30, 2018 and December 31, 2017, other real estate owned (“OREO”) included in other assets in the Consolidated Balance Sheets was $21,926 and $24,348, 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 June 30, 2018 and December 31, 2017, the recorded investment of consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings are in process was $1,587 and $873, 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. For purposes of determining the general allowance, the loan portfolio is segregated by product type to recognize differing risk profiles among categories. It is further segregated by credit grade for non-homogenous loan pools and delinquency for homogeneous loan pools. The outstanding principal balance within each pool is multiplied by historical loss data, the loss emergence period (which is the period of time between the event that triggers a loss and the confirmation and/or charge off of that loss) and certain qualitative factors to derive the general loss allocation per pool. Specific loss allocations are calculated for commercial loans in excess of $500,000 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.

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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.

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 charges-off 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 payments 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 and six months ended June 30, 2018, the re-estimation of the expected cash flows related to loans acquired that have evidence of deterioration of credit quality resulted in provision for loan losses expense of $801 and $2,080, respectively, as compared to a reversal of provision for loan losses expense of $738 and $371, respectively, for the three and six months ended June 30, 2017.

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 $927 and $679 at June 30, 2018 and December 31, 2017, 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 portfolio segment, for the periods indicated is summarized as follows:

Allowance for Loan Losses

For the Three Months Ended June 30, 2018

	Commercial Real Estate										Construction				Allowance for
	Owner- occupied			Nonowner- occupied			Other Commercial		Residential Real Estate		& Land Development		Consumer		Estimated Imprecision			Total
Allowance for Loan Losses:
Beginning balance	$	3,719		$	6,774		$	46,917	$	10,253	$	6,429	$	2,391	$	170		$	76,653
Charge-offs		728			314			5,795		82		72		721		0			7,712
Recoveries		690			17			984		94		9		196		0			1,990
Provision		(468	)		(294	)		6,085		115		226		553		(13	)		6,204
Ending balance	$	3,213		$	6,183		$	48,191	$	10,380	$	6,592	$	2,419	$	157		$	77,135

Allowance for Loan Losses and Carrying Amount of Loans

For the Six Months Ended June 30, 2018

	Commercial Real Estate										Construction					Allowance for
	Owner- occupied			Nonowner- occupied			Other Commercial		Residential Real Estate		& Land Development			Consumer		Estimated Imprecision		Total
Allowance for Loan Losses:
Beginning balance	$	5,401		$	6,369		$	45,189	$	9,927	$	7,187		$	2,481	$	73	$	76,627
Charge-offs		1,743			314			8,663		992		532			1,326		0		13,570
Recoveries		745			153			1,090		358		11			339		0		2,696
Provision		(1,190	)		(25	)		10,575		1,087		(74	)		925		84		11,382
Ending balance	$	3,213		$	6,183		$	48,191	$	10,380	$	6,592		$	2,419	$	157	$	77,135
Ending Balance: individually evaluated for impairment	$	978		$	1,693		$	14,676	$	1,460	$	277		$	0	$	0	$	19,084
Ending Balance: collectively evaluated for impairment	$	2,235		$	4,490		$	33,515	$	8,920	$	6,315		$	2,419	$	157	$	58,051
Ending Balance: loans acquired with deteriorated credit quality	$	0		$	0		$	0	$	0	$	0		$	0	$	0	$	0
Financing receivables:
Ending balance	$	1,366,814		$	4,435,910		$	2,209,191	$	3,300,472	$	1,396,853		$	819,768	$	0	$	13,529,008
Ending Balance: individually evaluated for impairment	$	30,134		$	21,653		$	79,980	$	15,185	$	16,892		$	0	$	0	$	163,844
Ending Balance: collectively evaluated for impairment	$	1,305,807		$	4,337,381		$	2,103,205	$	3,272,737	$	1,357,792		$	819,745	$	0	$	13,196,667
Ending Balance: loans acquired with deteriorated credit quality	$	30,873		$	76,876		$	26,006	$	12,550	$	22,169		$	23	$	0	$	168,497

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Allowance for Loan Losses and Carrying Amount of Loans

For the Year Ended December 31, 2017

	Commercial Real Estate											Construction					Allowance for
	Owner- occupied			Nonowner- occupied			Other Commercial		Residential Real Estate			& Land Development			Consumer		Estimated Imprecision			Total
Allowance for Loan Losses:
Beginning balance	$	5,273		$	6,883		$	33,087	$	13,770		$	10,606		$	2,805	$	347		$	72,771
Charge-offs		2,246			296			21,189		2,973			3,337			2,822		0			32,863
Recoveries		2,599			244			3,395		601			726			748		0			8,313
Provision		(225	)		(462	)		29,896		(1,471	)		(808	)		1,750		(274	)		28,406
Ending balance	$	5,401		$	6,369		$	45,189	$	9,927		$	7,187		$	2,481	$	73		$	76,627
Ending Balance: individually evaluated for impairment	$	2,251		$	1,592		$	16,721	$	1,552		$	229		$	0	$	0		$	22,345
Ending Balance: collectively evaluated for impairment	$	3,150		$	4,777		$	28,468	$	8,375		$	6,958		$	2,481	$	73		$	54,282
Ending Balance: loans acquired with deteriorated credit quality	$	0		$	0		$	0	$	0		$	0		$	0	$	0		$	0
Financing receivables:
Ending balance	$	1,361,629		$	4,451,298		$	1,998,979	$	2,996,171		$	1,504,907		$	714,353	$	0		$	13,027,337
Ending Balance: individually evaluated for impairment	$	36,721		$	21,851		$	78,715	$	14,316		$	16,921		$	0	$	0		$	168,524
Ending Balance: collectively evaluated for impairment	$	1,291,379		$	4,320,997		$	1,892,706	$	2,967,666		$	1,461,206		$	714,338	$	0		$	12,648,292
Ending Balance: loans acquired with deteriorated credit quality	$	33,529		$	108,450		$	27,558	$	14,189		$	26,780		$	15	$	0		$	210,521

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7. INTANGIBLE ASSETS

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

	June 30, 2018
	Community Banking					Mortgage Banking					Total
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Amortized intangible assets:
Core deposit intangible assets	$	98,359	($	58,473	)	$	0	($	0	)	$	98,359	($	58,473	)
Non-amortized intangible assets:
George Mason trade name	$	0				$	1,080				$	1,080
Goodwill not subject to amortization	$	1,472,699				$	5,315				$	1,478,014

	December 31, 2017
	Community Banking					Mortgage Banking				Total
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Amortized intangible assets:
Core deposit intangible assets	$	98,359	($	54,453	)	$	0	$	0	$	98,359	($	54,453	)
Non-amortized intangible assets:
George Mason trade name	$	0				$	1,080			$	1,080
Goodwill not subject to amortization	$	1,473,265				$	5,115			$	1,478,380

The following table provides a reconciliation of goodwill:

	Community Banking			Mortgage Banking		Total
Goodwill at December 31, 2017	$	1,473,265		$	5,115	$	1,478,380
Addition to goodwill from Cardinal acquisition		(566	)		200		(366	)
Goodwill at June 30, 2018	$	1,472,699		$	5,315	$	1,478,014

United incurred amortization expense on intangible assets of $2,010 and $4,020 for the quarter and six months ended June 30, 2018, respectively, and $2,093 and $3,141 for the quarter and six months ended June 30, 2017, respectively.

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The following table sets forth the anticipated amortization expense for intangible assets for the years subsequent to 2017:

Year	Amount
2018	$	8,039
2019		7,016
2020		6,309
2021		5,369
2022 and thereafter		17,173

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 $230,000. 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 June 30, 2018, federal funds purchased were $14,000 while total securities sold under agreements to repurchase (REPOs) were $185,507. 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 June 30, 2018, United had no outstanding balance under this line of credit.

9. LONG-TERM BORROWINGS    

United’s subsidiary bank is a member 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 June 30, 2018, United had an unused borrowing amount of approximately $3,579,159 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 June 30, 2018, $1,560,365 of FHLB advances with a weighted-average interest rate of 1.97% are scheduled to mature within the next seven years.

The scheduled maturities of these FHLB borrowings are as follows:

Year	Amount
2018	$	1,246,776
2019		187,370
2020		41,896
2021		52,547
2022 and thereafter		31,776
Total	$	1,560,365

At June 30, 2018, United had a total of fourteen 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 June 30, 2018 and December 31, 2017, the outstanding balance of the Debentures was $234,276 and $242,446, respectively,

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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.

For reporting periods prior to June 30, 2017, the Trust Preferred Securities qualified as Tier 1 regulatory capital under the “Basel III Capital Rules” as published by United’s primary federal regulator, the Federal Reserve, in July of 2013. The “Basel III Capital Rules” established a new comprehensive capital framework for U.S. banking organizations. Because United was less than $15 billion in total consolidated assets, the Basel III Capital Rules grandfathered United’s Trust Preferred Securities as Tier 1 capital under the limitations for restricted capital elements in the general risk-based capital rules. As a result, beginning in 2015 (the adoption date), United’s Trust Preferred Securities was 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, which is substantially similar to the limit in the general risk-based capital rules. Trust preferred securities no longer included in United’s Tier 1 capital could be included as a component of Tier 2 capital on a permanent basis without phase-out.

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 $3,899,439 and $4,224,719 of loan commitments outstanding as of June 30, 2018 and December 31, 2017, respectively, the majority of which contractually expire within one year. Included in the June 30, 2018 amount are commitments to extend credit of $324,487 related to George Mason’s mortgage loan funding commitments and are of a short-term nature.

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 June 30, 2018 and

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December 31, 2017, United had no 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 $145,778 and $147,017 as of June 30, 2018 and December 31, 2017, 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.

George Mason provides for its estimated exposure to repurchase loans previously sold to investors for which borrowers failed to provide full and accurate information on their loan application or for which appraisals have not been acceptable or where the loan was not underwritten in accordance with the loan program specified by the loan investor, and for other exposure to its investors related to loan sales activities. United evaluates the merits of each claim and estimates its reserve based on actual and expected claims received and considers the historical amounts paid to settle such claims. George Mason has a reserve of $516 as of June 30, 2018.

United has derivative counter-party risk that may arise from the possible inability of George Mason’s third party investors to meet the terms of their forward sales contracts. George Mason works with third-party investors that are generally well-capitalized, are investment grade and exhibit strong financial performance to mitigate this risk. United does not expect any third-party investor to fail to meet its obligation.

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 aid against adverse price changes 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 (ASC Topic 815). 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.

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.

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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.

United through George Mason enters into interest rate lock commitments to finance residential mortgage loans with its customers. These commitments, which contain fixed expiration dates, offer the borrower an interest rate guarantee provided the loan meets underwriting guidelines and closes within the timeframe established by United. Interest rate risk arises on these commitments and subsequently closed loans if interest rates change between the time of the interest rate lock and the delivery of the loan to the investor. Market risk on interest rate lock commitments and mortgage loans held for sale is managed using corresponding forward mortgage loan sales contracts. United is a party to these forward mortgage loan sales contracts to sell loans servicing released and short sales of mortgage-backed securities. When the interest rate is locked with the borrower, the rate lock commitment, forward sale agreement, and mortgage-backed security position are undesignated derivatives and marked to fair value through earnings. The fair value of the rate lock derivative includes the servicing premium and the interest spread for the difference between retail and wholesale mortgage rates. Income from mortgage banking activities includes the gain recognized for the period presented and associated elements of fair value.

United sells mortgage loans on either a best efforts or mandatory delivery basis. For loans sold on a mandatory delivery basis, United enters into forward mortgage-backed securities (the “residual hedge”) to mitigate the effect of interest rate risk. Both the rate lock commitment under mandatory delivery and the residual hedge are recorded at fair value through earnings and are not designated as accounting hedges. At the closing of the loan, the loan commitment derivative expires and United records a loan held for sale at fair value and continues to mark these assets to market under the election of fair value option. United closes out of the trading mortgage-backed securities assigned within the residual hedge and replaces the securities with a forward sales contract once a price has been accepted by an investor and recorded at fair value. For those loans selected to be sold under best efforts delivery, at the closing of the loan, the rate lock commitment derivative expires and the Company records a loan held for sale at fair value under the election of fair value option and continues to be obligated under the same forward loan sales contract entered into at inception of the rate lock commitment.

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 tables disclose the derivative instruments’ location on the Company’s Consolidated Balance Sheets and the notional amount and fair value of those instruments at June 30, 2018 and December 31, 2017.

	Asset Derivatives
	June 30, 2018						December 31, 2017
	Balance Sheet Location		Notional Amount		Fair Value		Balance Sheet Location		Notional Amount		Fair Value
Derivatives designated as hedging instruments Fair Value Hedges:
Interest rate swap contracts (hedging commercial loans)		Other assets	$	87,672	$	3,329		Other assets	$	71,831	$	538
Total derivatives designated as hedging instruments			$	87,672	$	3,329			$	71,831	$	538
Derivatives not designated as hedging instruments
Forward loan sales commitments		Other assets	$	22,107	$	112		Other assets	$	31,024	$	2
Interest rate lock commitments		Other assets		182,030		6,541		Other assets		148,866		4,559
Total derivatives not designated as hedging instruments			$	204,137	$	6,653			$	179,890	$	4,561
Total asset derivatives			$	291,809	$	9,982			$	251,721	$	5,099
	Liability Derivatives
	June 30, 2018						December 31, 2017
	Balance Sheet Location		Notional Amount		Fair Value		Balance Sheet Location		Notional Amount		Fair Value
Derivatives designated as hedging instruments Fair Value Hedges:
Interest rate swap contracts (hedging commercial loans)		Other liabilities	$	0	$	0		Other liabilities	$	18,795	$	165
Total derivatives designated as hedging instruments			$	0	$	0			$	18,795	$	165
Derivatives not designated as hedging instruments
TBA mortgage-backed securities		Other liabilities	$	343,000	$	1,422		Other liabilities	$	236,500	$	312
Interest rate lock commitments		Other liabilities		0		0		Other liabilities		0		0
Total derivatives not designated as hedging instruments			$	343,000	$	1,422			$	236,500	$	312
Total liability derivatives			$	343,000	$	1,422			$	255,295	$	477

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.

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The effect of United’s derivative financial instruments on its unaudited Consolidated Statements of Income for the three and six months ended June 30, 2018 and 2017 are presented as follows:

			Three Months Ended
	Income  Statement Location		June 30, 2018			June 30, 2017
Derivatives in hedging relationships Fair Value Hedges:
Interest rate swap contracts		Interest income/(expense)	$	24		$	(282	)
Total derivatives in hedging relationships			$	24		$	(282	)
Derivatives not designated as hedging instruments
Forward loan sales commitments		Income from Mortgage Banking Activities		112			(170	)
TBA mortgage-backed securities		Income from Mortgage Banking Activities		(660	)		2,784
Interest rate lock commitments		Income from Mortgage Banking Activities		2,888			1,019
Total derivatives not designated as hedging instruments			$	2,340		$	3,633
Total derivatives			$	2,364		$	3,351
			Six Months Ended
	Income Statement Location		June 30, 2018			June 30, 2017
Derivatives in fair value hedging relationships Fair Value Hedges:
Interest rate swap contracts		Interest income/(expense)	$	(18	)	$	(440	)
Cash Flow Hedges:
Forward loan sales commitments		Other income		0			0
Total derivatives in hedging relationships			$	(18	)	$	(440	)
Derivatives not designated as hedging instruments
Forward loan sales commitments		Income from Mortgage Banking Activities		185			(170	)
TBA mortgage-backed securities		Income from Mortgage Banking Activities		(1,110	)		2,784
Interest rate lock commitments		Income from Mortgage Banking Activities		1,619			1,019
Total derivatives not designated as hedging instruments			$	694		$	3,633
Total derivatives			$	676		$	3,193

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.

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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 prices, inputs and 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 and equity securities: Securities available for sale and equity securities 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 June 30, 2018, 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 June 30, 2018. Management utilizes a number of factors to determine if a market is inactive, all of

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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. 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 the most representative measurement technique for these securities. 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.

Loans held for sale: For residential mortgage loans sold in the mortgage banking segment, the loans closed are recorded at fair value using the fair value option which is measured using valuations from investors for loans with similar characteristics adjusted for the Company’s actual sales experience versus the investor’s indicated pricing. These valuations fall into the Level 3 category. The unobservable input is the Company’s historical sales prices. The range of historical sales prices increased the investor’s indicated pricing by a range of 0.18% to 0.65% with a weighted average increase of 0.34%.

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.

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The Company records its interest rate lock commitments and forward loan sales commitments at fair value determined as the amount that would be required to settle each of these derivative financial instruments at the balance sheet date. In the normal course of business, George Mason enters into contractual interest rate lock commitments to extend credit to borrowers with fixed expiration dates. The commitments become effective when the borrowers “lock-in” a specified interest rate within the timeframes established by the mortgage companies. All borrowers are evaluated for credit worthiness prior to the extension of the commitment. Market risk arises if interest rates move adversely between the time of the interest rate lock by the borrower and the sale date of the loan to the investor. To mitigate the effect of the interest rate risk inherent in providing rate lock commitments to borrowers, George Mason enters into either a forward sales contract to sell loans to investors when using best efforts or a TBA mortgage-backed security under mandatory delivery. As TBA mortgage-backed securities are actively traded in an open market, TBA mortgage-backed securities fall into a Level 1 category. The forward sales contracts lock in an interest rate and price for the sale of loans similar to the specific rate lock commitments. Under the Company’s best efforts model, the rate lock commitments to borrowers and the forward sales contracts to investors through to the date the loan closes are undesignated derivatives and accordingly, are marked to fair value through earnings. These valuations fall into a Level 2 category. For residential mortgage loans sold in the mortgage banking segment, the interest rate lock commitments are recorded at fair value which is measured using valuations from investors for loans with similar characteristics adjusted for the Company’s actual sales experience versus the investor’s indicated pricing. These valuations fall into the Level 3 category. The unobservable input is the Company’s historical sales prices. The range of historical sales prices increased the investor’s indicated pricing by a range of 0.18% to 0.65% with a weighted average increase of 0.34%.

For interest rate swap 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 June 30, 2018 and December 31, 2017, segregated by the level of the valuation inputs within the fair value hierarchy.

			Fair Value at June 30, 2018 Using
Description	Balance as of June  30, 2018		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 securities:
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	143,815	$	0	$	143,815	$	0
State and political subdivisions		272,180		0		272,180		0
Residential mortgage-backed securities
Agency		890,129		0		890,129		0
Non-agency		4,794		0		4,794		0
Commercial mortgage-backed securities
Agency		501,403		0		501,403		0
Asset-backed securities		166,131		0		166,131		0
Trust preferred collateralized debt obligations		5,818		0		0		5,818

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			Fair Value at June 30, 2018 Using
Description	Balance as of June  30, 2018		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Single issue trust preferred securities		8,238		0		8,238		0
Other corporate securities		68,419		6,940		61,479		0
Total available for sale securities		2,060,927		6,940		2,048,169		5,818
Equity securities:
Financial services industry		175		175		0		0
Equity mutual funds (1)		4,856		4,856		0		0
Other equity securities		4,633		4,633		0		0
Total equity securities		9,664		9,664		0		0
Loans held for sale		282,439		0		0		282,439
Derivative financial assets:
Interest rate swap contracts		3,329		0		3,329		0
Forward sales commitments		112		0		112		0
Interest rate lock commitments		6,541		0		0		6,541
Total derivative financial assets		9,982		0		3,441		6,541
Liabilities
Derivative financial liabilities:
TBA mortgage-backed securities		1,422		0		1,422		0
Total derivative financial liabilities		1,422		0		1,422		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, 2017 Using
Description	Balance as of December 31, 2017		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	$	114,758	$	0	$	114,758	$	0
State and political subdivisions		303,869		0		303,869		0
Residential mortgage-backed securities
Agency		814,593		0		814,593		0
Non-agency		5,512		0		5,512		0
Commercial mortgage-backed securities Agency		454,857		0		454,857		0
Asset-backed securities		109,970		0		109,970		0
Trust preferred collateralized debt obligations		34,269		0		0		34,269
Single issue trust preferred securities		12,560		0		12,560		0
Other corporate securities		28,490		0		28,490		0
Total available for sale debt securities		1,878,878		0		1,844,609		34,269
Available for sale equity securities:
Financial services industry		3,545		331		3,214		0
Equity mutual funds (1)		6,332		6,332		0		0

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			Fair Value at December 31, 2017 Using
Description	Balance as of December 31, 2017		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Other equity securities		1		1		0		0
Total available for sale equity securities		9,878		6,664		3,214		0
Total available for sale securities		1,888,756		6,664		1,847,823		34,269
Loans held for sale		263,308		0		0		263,308
Derivative financial assets:
Interest rate swap contracts		538		0		538		0
Interest rate lock commitments		4,561		0		2		4,559
Total derivative financial assets		5,099		0		540		4,559
Liabilities
Derivative financial liabilities:
Interest rate swap contracts		165		0		165		0
TBA mortgage-backed securities		312		0		312		0
Total derivative financial liabilities		477		0		477		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 six months ended June 30, 2018 and the year ended December 31, 2017.

The following table presents additional information about financial assets and liabilities measured at fair value at June 30, 2018 and December 31, 2017 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
	June 30, 2018			December 31, 2017
Balance, beginning of period	$	34,269		$	33,552
Total gains or losses (realized/unrealized):
Included in earnings (or changes in net assets)		28			9
Included in other comprehensive income		821			8,757
Purchases, issuances, and settlements		0			0
Sales		(29,300	)		(8,049	)
Transfers in and/or out of Level 3		0			0
Balance, end of period	$	5,818		$	34,269
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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	Loans held for sale
	June 30, 2018			December 31, 2017
Balance, beginning of period	$	263,308		$	0
Acquired in Cardinal merger		0			271,301
Originations		1,448,225			2,333,927
Sales		(1,440,029	)		(2,408,945	)
Total gains or losses during the period recognized in earnings		38,351			58,132
Transfers in and/or out of Level 3		(27,416	)		8,893
Balance, end of period	$	282,439		$	263,308
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

	Derivative Financial  Assets Interest Rate Lock Commitments
	June 30, 2018		December 31, 2017
Balance, beginning of period	$	4,559	$	0
Acquired in Cardinal merger		0		10,393
Transfers other		1,982		(5,834	)
Balance, end of period	$	6,541	$	4,559
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.

Fair Value Option

United elected the fair value option for the loans held for sale in its mortgage banking segment to mitigate a divergence between accounting losses and economic exposure.

The following table reflects the change in fair value included in earnings of financial instruments for which the fair value option has been elected:

Description	Three Months Ended June  30, 2018		Three Months Ended June  30, 2017
Assets
Loans held for sale
Income from mortgage banking activities	$	3,929	$	(2,439	)
Description	Six Months Ended June 30, 2018		Six Months Ended June 30, 2017
Assets
Loans held for sale
Income from mortgage banking activities	$	3,092	$	(2,439	)

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The following table reflects the difference between the aggregate fair value and the remaining contractual principal outstanding for financial instruments for which the fair value option has been elected:

	June 30, 2018						December 31, 2017
Description	Unpaid Principal Balance		Fair Value		Fair Value Over/(Under) Unpaid Principal Balance		Unpaid Principal Balance		Fair Value		Fair Value Over/(Under) Unpaid Principal Balance
Assets
Loans held for sale	$	275,693	$	282,439	$	6,746	$	257,674	$	263,308	$	5,634

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis

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

Loans held for sale: Loans held for sale within the community banking segment that are delivered on a best efforts basis are carried at the lower of cost or fair value. The 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 for these loans held for sale on a nonrecurring basis. No nonrecurring fair value adjustments were recorded on loans held for sale during the six months ended June 30, 2018. Gains and losses on sale of loans are recorded within income from mortgage banking activities 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

47

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 other fair value measurement of intangible assets was made during the first six months of 2018 and 2017.

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

			Carrying value at June 30, 2018
Description	Balance as of June  30, 2018		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		YTD Losses
Assets
Loans held for sale	$	2,755	$	0	$	2,755	$	0	$	0
Impaired Loans		73,997		0		65,174		8,823		1,581
OREO		21,926		0		21,747		179		825
			Carrying value at December 31, 2017
Description	Balance as of December 31, 2017		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		YTD Losses
Assets
Loans held for sale	$	2,647	$	0	$	2,647	$	0	$	14
Impaired Loans		88,637		0		70,950		17,687		12,291
OREO		24,348		0		24,151		197		4,200

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Fair Value of Other Financial Instruments

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 securities 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: For June 30, 2018, fair values of loans are estimated on an exit price basis incorporating discounts for credit, liquidity and marketability factors. This is not comparable with the fair values disclosed for December 31, 2017, which were based on an entrance price basis. For that date, the fair values of certain mortgage loans (e.g., one-to-four family residential), credit card loans, and other consumer loans were 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) were estimated using discounted cash flow analyses, using market interest rates being offered at that time for loans with similar terms to borrowers of similar creditworthiness, which included adjustments for liquidity concerns. For acquired impaired loans, fair value was assumed to equal United’s carrying value, which represented 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.

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Summary of Fair Values for All Financial Instruments

The estimated fair values of United’s financial instruments, including those measured at amortized cost on the balance sheet, 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)
June 30, 2018
Cash and cash equivalents	$	1,092,926	$	1,092,926	$	0	$	1,092,926	$	0
Securities available for sale		2,060,927		2,060,927		6,940		2,048,169		5,818
Securities held to maturity		20,378		19,708		0		19,708		0
Equity securities		9,664		9,664		9,664		0		0
Other securities		175,334		166,568		0		0		166,568
Loans held for sale		285,194		285,194		0		2,755		282,439
Loans		13,439,494		12,582,256		0		0		12,582,256
Derivative financial assets		9,882		9,882		0		3,441		6,541
Deposits		13,830,766		13,789,447		0		13,789,447		0
Short-term borrowings		199,507		199,507		0		199,507		0
Long-term borrowings		1,794,641		1,767,186		0		1,767,186		0
Derivative financial liabilities		1,422		1,422		0		1,422		0
December 31, 2017
Cash and cash equivalents	$	1,666,167	$	1,666,167	$	0	$	1,666,167	$	0
Securities available for sale		1,888,756		1,888,756		6,664		1,847,823		34,269
Securities held to maturity		20,428		20,018		0		16,998		3,020
Other securities		162,461		154,338		0		0		154,338
Loans held for sale		265,955		265,955		0		2,647		263,308
Loans		12,934,794		12,437,797		0		0		12,437,797
Derivative financial assets		5,099		5,099		0		540		4,559
Deposits		13,830,591		14,024,720		0		14,024,720		0
Short-term borrowings		477,587		477,587		0		477,587		0
Long-term borrowings		1,363,977		1,338,754		0		1,338,754		0
Derivative financial liabilities		477		477		0		477		0

13. STOCK BASED COMPENSATION

On May 18, 2016, United’s shareholders approved the 2016 Long-Term Incentive Plan (2016 LTI Plan). The 2016 LTI Plan became effective as of May 18, 2016. An award granted under the 2016 LTI Plan may consist of any non-qualified stock options or incentive stock options, stock appreciation rights (SARs), restricted stock, restricted stock units, performance units or other-stock-based award. 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 2016 LTI Plan is 1,700,000. The 2016 LTI Plan will be administered by a board committee appointed by United’s Board of Directors (the Board). Unless otherwise determined by the Board, the Compensation Committee of the Board (the Committee) shall administer the 2016 LTI Plan. 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 unit awards which are settled in shares is 500,000, and (2) the aggregate number of shares that may be issued pursuant to stock options is 1,200,000. The shares to be offered under the 2016 LTI Plan may be authorized and unissued shares or treasury shares. The maximum number of options and SARs, in the aggregate, which may be awarded to any

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individual key employee during any calendar year is 100,000. The maximum number of stock options and SARs, in the aggregate, which may be awarded to any non-employee director during any calendar year is 10,000. The maximum number of shares of restricted stock or shares subject to a restricted stock units award that may be granted during any calendar year is 50,000 shares to any individual key employee and 5,000 shares to any individual non-employee director. Subject to certain change in control provisions, the 2016 LTI Plan provides that awards of restricted stock and restricted stock units will vest as the Committee determines in the award agreement, provided that no awards will vest sooner than 1/3 per year over the first three anniversaries of the award. Awards granted to executive officers of United typically will have performance based vesting conditions. A Form S-8 was filed on July 29, 2016 with the Securities and Exchange Commission to register all the shares which were available for the 2016 LTI Plan. During the first six months of 2018, a total of 276,192 non-qualified stock options and 97,004 shares of restricted stock were granted under the 2016 LTI Plan.

Compensation expense of $1,024 and $1,992 related to the nonvested awards under United’s Long-Term Incentive Plans was incurred for the second quarter and first six months of 2018, respectively, as compared to the compensation expense of $998 and $1,680 related to the nonvested awards under United’s Long-Term Incentive Plans incurred for the second quarter and first six months of 2017, 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 2016 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 June 30, 2018, and the changes during the first six months of 2018 are presented below:

	Six Months Ended June 30, 2018
						Weighted Average
	Shares			Aggregate Intrinsic Value		Remaining Contractual Term (Yrs.)		Exercise Price
Outstanding at January 1, 2018		1,558,438						$	31.09
Granted		276,192							37.60
Exercised		(42,089	)						21.72
Forfeited or expired		(15,389	)						33.17
Outstanding at June 30, 2018		1,777,152		$	9,902,605		6.0	$	32.30
Exercisable at June 30, 2018		1,191,092		$	9,780,319		4.6	$	28.73

The following table summarizes the status of United’s nonvested stock option awards during the first six months of 2018:

	Shares			Weighted-Average Grant Date Fair Value Per Share
Nonvested at January 1, 2018		507,871		$	7.89
Granted		276,192			7.56
Vested		(187,815	)		7.53
Forfeited or expired		(10,188	)		7.61
Nonvested at June 30, 2018		586,060		$	7.86

During the six months ended June 30, 2018 and 2017, 42,089 and 126,808 shares, respectively, were issued in connection with stock option exercises. All shares issued in connection with stock option exercises for the six months ended June 30, 2018 and 2017 were issued from authorized and unissued stock. The total intrinsic value of options exercised under the Plans during the six months ended June 30, 2018 and 2017 was $630 and $2,501 respectively.

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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 June 30, 2018:

	Number of Shares			Weighted-Average Grant Date Fair Value Per Share
Outstanding at January 1, 2018		170,496		$	40.05
Granted		97,004			37.60
Vested		(62,411	)		37.59
Forfeited		(2,853	)		37.97
Outstanding at June 30, 2018		202,236		$	39.66

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. During the first quarter of 2018, United made a discretionary contribution of $7,000 to the Plan.

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 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, 2017 are unrecognized actuarial losses of $56,222 ($35,420 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, 2018 is $4,653 ($2,932 net of tax).

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Net periodic pension cost for the three and six months ended June 30, 2018 and 2017 included the following components:

	Three Months Ended June 30						Six Months Ended June 30
	2018			2017			2018			2017
Service cost	$	666		$	569		$	1,324		$	1,131
Interest cost		1,308			1,279			2,603			2,544
Expected return on plan assets		(2,551	)		(2,049	)		(5,073	)		(4,076	)
Recognized net actuarial loss		1,162			1,100			2,311			2,187
Net periodic pension (benefit) cost	$	585		$	899		$	1,165		$	1,786
Weighted-Average Assumptions:
Discount rate		3.83	%		4.49	%		3.83	%		4.49	%
Expected return on assets		7.00	%		7.00	%		7.00	%		7.00	%
Rate of compensation increase (prior to age 45)		3.50	%		3.50	%		3.50	%		3.50	%
Rate of compensation increase		3.00	%		3.00	%		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 June 30, 2018 and 2017, the total amount of accrued interest related to uncertain tax positions was $721 and $609, respectively. United accounts for interest and penalties related to uncertain tax positions as part of its provision for federal and state income taxes.

United is currently open to audit under the statute of limitations by the Internal Revenue Service for the years ended December 31, 2014, 2015 and 2016 and certain State Taxing authorities for the years ended December 31, 2014 through 2016.

On December 22, 2017, the Tax Cuts and Jobs Act (the “Tax Act”) was signed into law. The Tax Act lowered the Federal corporate tax rate from 35% to 21% effective January 1, 2018 and made numerous other tax law changes. U.S. generally accepted accounting principles (GAAP) requires companies to recognize the effect of tax law changes in the period of enactment. As a result of the Tax Act, United was required to remeasure deferred tax assets and liabilities at the new tax rate and as a result, recorded deferred tax expense of $37,732 in the fourth quarter of 2017. Reasonable estimates were made based on the Company’s analysis of the Tax Act. This provisional amount may be adjusted in future periods during 2018 when additional information is obtained as provided for under Staff Accounting Bulletin 118 (“SAB 118”). Additional information that may affect our provisional amount would include further clarification and guidance on how the IRS will implement tax reform, further clarification and guidance on how state taxing authorities will implement tax reform and the related effect on the Company’s state income tax returns, completion of United’s 2017 tax return filings, and the potential for additional guidance from the SEC or the FASB related to the Tax Act. Management continues to evaluate other potential impacts of the Tax Act. The Company did not identify items for which the income tax effects of the Tax Act have not been completed and a reasonable estimate could not be determined as of June 30, 2018.

United’s effective tax rate was 22.50% and 22.49% for the second quarter and first six months of 2018 and 34.25% for both the second quarter and first six months of 2017. The lower effective tax rate for the second quarter and first six months of 2018 was due mainly to the Tax Act.

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16. COMPREHENSIVE INCOME

The components of total comprehensive income for the three and six months ended June 30, 2018 and 2017 are as follows:

	Three Months Ended						Six Months Ended
	June 30						June 30
	2018			2017			2018			2017
Net Income	$	66,274		$	37,059		$	127,980		$	75,868
Available for sale (“AFS”) securities:
AFS securities with OTTI charges during the period		0			(16	)		0			(60	)
Related income tax effect		0			6			0			22
Less: OTTI charges recognized in net income		0			16			0			60
Related income tax benefit		0			(6	)		0			(22	)
Reclassification of previous noncredit OTTI to credit OTTI		0			0			0			0
Related income tax benefit		0			(0	)		0			(0	)
Net unrealized (losses) gains on AFS securities with OTTI		0			0			0			0
AFS securities – all other:
Change in net unrealized gain on AFS securities arising during the period		(10,684	)		5,686			(32,701	)		11,262
Related income tax effect		4,162			(2,104	)		9,292			(4,167	)
Net reclassification adjustment for (gains) losses included in net income		27			(763	)		176			(977	)
Related income tax expense (benefit)		(6	)		282			(41	)		361
		(6,501	)		3,101			(23,274	)		6,479
Net effect of AFS securities on other comprehensive income		(6,501	)		3,101			(23,274	)		6,479
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		2			2			4			4
Related income tax expense		(1	)		(1	)		(2	)		(2	)
Net effect of HTM securities on other comprehensive income		1			1			2			2
Pension plan:
Recognized net actuarial loss		1,162			1,100			2,311			2,187
Related income tax benefit		(110	)		(405	)		(526	)		(797	)
Net effect of change in pension plan asset on other comprehensive income		1,052			695			1,785			1,390
Total change in other comprehensive income		(5,448	)		3,797			(21,487	)		7,871
Total Comprehensive Income	$	60,826		$	40,856		$	106,493		$	83,739

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The components of accumulated other comprehensive income for the six months ended June 30, 2018 are as follows:

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

For the Six Months Ended June 30, 2018

	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, 2018	($	6,204	)	($	46	)	($	35,775	)	($	42,025	)
Cumulative effect of adopting Accounting Standard Update 2016-01		(136	)		0			0			(136	)
Reclass due to adopting Accounting Standard Update 2018-02		(1,632	)		0			(4,721	)		(6,353	)
Other comprehensive income before reclassification		(23,409	)		2			0			(23,407	)
Amounts reclassified from accumulated other comprehensive income		135			0			1,785			1,920
Net current-period other comprehensive income, net of tax		(23,274	)		2			1,785			(21,487	)
Balance at June 30, 2018	($	31,246	)	($	44	)	($	38,711	)	($	70,001	)

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

Reclassifications out of Accumulated Other Comprehensive Income (AOCI)

For the Six Months Ended June 30, 2018

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		Net investment securities (losses) gains
Net reclassification adjustment for losses (gains) included in net income		176		Net investment securities (losses) gains
		176		Total before tax
Related income tax effect		(41	)	Tax expense
		135		Net of tax
Pension plan:
Recognized net actuarial loss		2,311	(a)
		2,311		Total before tax
Related income tax effect		(526	)	Tax expense
		1,785		Net of tax
Total reclassifications for the period	$	1,920

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

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17. 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				Six Months Ended
	June 30				June 30
	2018		2017		2018		2017
Distributed earnings allocated to common stock	$	35,516	$	34,562	$	71,195	$	61,284
Undistributed earnings allocated to common stock		30,637		2,440		56,557		14,454
Net earnings allocated to common shareholders	$	66,153	$	37,002	$	127,752	$	75,738
Average common shares outstanding		104,682,910		99,197,807		104,770,681		90,100,627
Equivalents from stock options		269,878		422,238		287,333		469,662
Average diluted shares outstanding		104,952,788		99,620,045		105,058,014		90,570,289
Earnings per basic common share	$	0.63	$	0.37	$	1.22	$	0.84
Earnings per diluted common share	$	0.63	$	0.37	$	1.22	$	0.84

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 fourteen statutory business trusts that were created for the purpose of raising funds that originally qualified for Tier I regulatory capital. As previously discussed, with the acquisition of Cardinal, these trusts now are considered Tier II 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.

United does not consolidate these trusts as it is not the primary beneficiary of these entities because United’s wholly owned and indirect wholly owned statutory trust subsidiaries do not have a controlling financial interest in the VIEs. A controlling financial interest is present when an enterprise has both the power to direct the activities of the VIE that most significantly impact the VIE’s economic performance and an obligation to absorb losses or the right to receive benefits that could potentially be significant to the VIE. The enterprise with a controlling financial interest, known as the primary beneficiary, consolidates the VIE.

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
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
Cardinal Statutory Trust I	July 27, 2004	$	20,000	3-month LIBOR + 2.40%	September 15, 2034
UFBC Capital Trust I	December 30, 2004	$	5,000	3-month LIBOR + 2.10%	March 15, 2035

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United, through its banking subsidiary, 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 June 30, 2018						As of December 31, 2017
	Aggregate Assets		Aggregate Liabilities		Risk Of Loss (1)		Aggregate Assets		Aggregate Liabilities		Risk Of Loss (1)
Trust preferred securities	$	257,518	$	248,629	$	8,889	$	266,669	$	257,674	$	8,995

19. SEGMENT INFORMATION

As a result of the Cardinal acquisition in April 2017, United now operates in two business segments: community banking and mortgage banking. Prior to the Cardinal acquisition, United’s business activities were confined to just one reportable segment of community banking.

Through its community banking segment, United offers a full range of products and services through various delivery channels. In particular, the community banking segment includes both commercial and consumer lending and provides customers with such products as commercial loans, real estate loans, business financing and consumer loans. In addition, this segment provides customers with several choices of deposit products including demand deposit accounts, savings accounts and certificates of deposit as well as investment and financial advisory services to businesses and individuals, including financial planning, retirement/estate planning, and investment management. The mortgage banking segment engages primarily in the origination and acquisition of residential mortgages for sale into the secondary market though George Mason.

The community banking segment provides the mortgage banking segment (George Mason) with short-term funds to originate mortgage loans through a warehouse line of credit and charges the mortgage banking segment interest based on a LIBOR rate. In addition, the mortgage banking segment (George Mason) originates mortgage loans which are sold to the community banking segment for its loan portfolio. These intersegment transactions are eliminated in the consolidation process.

The Company does not have any operating segments other than those reported. The “Other” category consists of financial information not directly attributable to a specific segment, including interest income from investments and net securities gains or losses of parent companies and their non-banking subsidiaries, interest expense related to subordinated notes of unconsolidated subsidiaries as well as the elimination of non-segment related intercompany transactions such as management fees. The “Other” represents an overhead function rather than an operating segment.

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Information about the reportable segments and reconciliation of this information to the consolidated financial statements at and for the three and six months ended June 30, 2018 and 2017 is as follows:

	At and For the Three Months Ended June 30, 2018
	Community Banking		Mortgage Banking		Other			Intersegment Eliminations			Consolidated
Net interest income	$	149,448	$	264	$	(3,032	)	$	2,442		$	149,122
Provision for loans losses		6,204		0		0			0			6,204
Other income		17,465		23,468		68			(4,994	)		36,007
Other expense		76,495		21,225		(1,758	)		(2,552	)		93,410
Income taxes		18,948		564		(271	)		0			19,241
Net income (loss)	$	65,266	$	1,943	$	(935	)	$	0		$	66,274
Total assets (liabilities)	$	19,112,133	$	388,292	$	10,895		$	(303,717	)	$	19,207,603
Average assets (liabilities)		18,658,168		335,781		6,776			(288,341	)		18,712,384

	At and For the Three Months Ended June 30, 2017
	Community Banking		Mortgage Banking			Other			Intersegment Eliminations			Consolidated
Net interest income	$	138,498	$	90		$	(2,343	)	$	0		$	136,245
Provision for loans losses		8,251		0			0			0			8,251
Other income		18,223		22,393			(110	)		0			40,506
Other expense		78,631		18,708			14,798			0			112,137
Income taxes		23,920		1,293			(5,909	)		0			19,304
Net income (loss)	$	45,919	$	2,482		$	(11,342	)	$	0		$	37,059
Total assets (liabilities)	$	18,984,921	$	382,086		$	(4,807	)	$	(326,600	)	$	19,035,600
Average assets (liabilities)		18,070,305		236,074			(20,180	)		(103,184	)		18,183,015
	At and For the Six Months Ended June 30, 2018
	Community Banking		Mortgage Banking			Other			Intersegment Eliminations			Consolidated
Net interest income	$	295,070	$	640		$	(5,626	)	$	3,081		$	293,165
Provision for loans losses		11,382		0			0			0			11,382
Other income		35,235		38,351			(754	)		(5,633	)		67,199
Other expense		148,986		39,609			(2,181	)		(2,552	)		183,862
Income taxes		38,224		(139	)		(945	)		0			37,140
Net income (loss)	$	131,713	$	(479	)	$	(3,254	)	$	0		$	127,980
Total assets (liabilities)	$	19,112,133	$	388,292		$	10,895		$	(303,717	)	$	19,207,603
Average assets (liabilities)		18,583,975		274,211			9,231			(238,796	)		18,628,621
	At and For the Six Months Ended June 30, 2017
	Community Banking		Mortgage Banking			Other			Intersegment Eliminations			Consolidated
Net interest income	$	248,158	$	90		$	(4,383	)	$	0		$	243,865
Provision for loans losses		14,150		0			0			0			14,150
Other income		35,036		22,393			3,223			0			60,652
Other expense		141,383		18,708			14,888			0			174,979
Income taxes		43,724		1,293			(5,497	)		0			39,520
Net income (loss)	$	83,937	$	2,482		$	(10,551	)	$	0		$	75,868
Total assets (liabilities)	$	18,984,921	$	382,086		$	(4,807	)	$	(326,600	)	$	19,035,600
Average assets (liabilities)		16,415,261		118,689			(24,551	)		(205,235	)		16,304,164

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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.

ACQUISITIONS

On April 21, 2017, United acquired 100% of the outstanding common stock of Cardinal Financial Corporation (“Cardinal”), headquartered in Tysons Corner, Virginia. The acquisition of Cardinal expands United’s existing footprint in the Washington, D.C. Metropolitan Statistical Area (“MSA”). Cardinal also operated George Mason Mortgage, LLC (“George Mason”), a residential mortgage lending company based in Fairfax, Virginia with offices located in Virginia, Maryland, North Carolina, South Carolina and the District of Columbia. As a result of the merger, George Mason became an indirectly-owned subsidiary of United. The Cardinal merger was accounted for under the acquisition method of accounting. At consummation, Cardinal had assets of $4.14 billion, portfolio loans of $3.31 billion and deposits of $3.34 billion.

The results of operations of Cardinal are included in the consolidated results of operations from their respective dates of acquisition. As a result of the Cardinal acquisition, the second quarter and first half of 2018 was impacted by increased levels of average balances, income, and expense as compared to the second quarter and first half of 2017. In addition, the second quarter and first half of 2017 included $23.22 million and $24.45 million, respectively, of merger-related expenses from the Cardinal acquisition.

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 June 30, 2018, 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 a certain financial measure that is 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 this non-GAAP financial measure because it believes that this measure provides meaningful additional information to assist in the evaluation of United’s results of operations or financial position. Presentation of this non-GAAP financial measure is consistent with how United’s management evaluates its performance internally and this non-GAAP financial measure is 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 a financial measure identified as tax-equivalent net interest income. Management believes this non-GAAP financial measure, 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.

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Where the non-GAAP financial measure is 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 this non-GAAP financial measure might not be comparable to a similarly titled measure 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 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 June 30, 2018, the allowance for loan losses was $77.14 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 $7.71 million in additional allowance (funded by additional provision for credit losses), which would have negatively impacted the second quarter of 2018 net income by approximately $6.09 million, after-tax or $0.06 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.

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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.

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 is 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.

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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.

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.

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At June 30, 2018, approximately 12.82% of total assets, or $2.46 billion, consisted of financial instruments recorded at fair value. Of this total, approximately 87.66% or $2.16 billion of these financial instruments used valuation methodologies involving observable market data, collectively Level 1 and Level 2 measurements, to determine fair value. Approximately $303.80 million or 12.34% 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 June 30, 2018, only $1.42 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.

FINANCIAL CONDITION

United’s total assets as of June 30, 2018 were $19.21 billion, which was relatively flat from December 31, 2017, increasing $148.64 million or less than 1% from December 31, 2017. The slight increase was mainly due to an increase of $505.21 million or 3.88% in portfolio loans. Investment securities increased $194.66 million or 9.40%. Loans held for sale increased $19.24 million or 7.23%. Cash and cash equivalents decreased $573.24 million or 34.40%. Other assets were relatively flat, increasing $3.83 million or less than 1%. Total liabilities were relatively flat, increasing $146.61 million or less than 1% from year-end 2017. Deposits were flat, increasing $175 thousand or less than 1%. Borrowings increased $152.58 million or 8.29% while accrued expenses and other liabilities decreased $6.40 million or 4.39%. Shareholders’ equity was relatively flat from December 31, 2017, increasing $2.04 million or less than 1%.

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

Cash and Cash Equivalents

Cash and cash equivalents at June 30, 2018 decreased $573.24 million or 34.40% from year-end 2017. Of this total decrease, cash and due from banks increased $34.22 million while interest-bearing deposits with other banks decreased $607.47 million or 41.36% as United used excess cash to mainly invest in securities and grow loans. Federal funds sold were flat. During the first six months of 2018, net cash of $98.50 million and $46.76 million was provided by operating activities and financing activities, respectively, while $718.50 million was used in investing 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 six months of 2018 and 2017.

Securities

Total investment securities at June 30, 2018 increased $194.66 million or 9.40% from year-end 2017. Securities available for sale increased $172.17 million or 9.12%. This change in securities available for sale reflects $177.90 million in sales, maturities and calls of securities, $391.19 million in purchases, and a decrease of $30.50 million in market value. Securities held to maturity were flat, declining $50 thousand or less than 1% from year-end 2017 due to calls and maturities of securities. Equity securities, now carried at fair value, were $9.66 million at June 30, 2018. Other investment securities increased $12.87 million or 7.92% from year-end 2017 due mainly to the purchase of Federal Home Loan Bank (FHLB) stock.

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The following table summarizes the changes in the available for sale securities since year-end 2017:

	June 30		December 31
(Dollars in thousands)	2018		2017		$ Change			% Change
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	143,815	$	114,758	$	29,057			25.32	%
State and political subdivisions		272,180		303,869		(31,689	)		(10.43	%)
Mortgage-backed securities		1,396,326		1,274,962		121,364			9.52	%
Asset-backed securities		166,131		109,970		56,161			51.07	%
Market equity securities		0		9,878		(9,878	)		(100.00	%)
Trust preferred collateralized debt obligations		5,818		34,269		(28,451	)		(83.02	%)
Single issue trust preferred securities		8,238		12,560		(4,322	)		(34.41	%)
Corporate securities		68,419		28,490		39,929			140.15	%
Total available for sale securities, at fair value	$	2,060,927	$	1,888,756	$	172,171			9.12	%

The following table summarizes the changes in the held to maturity securities since year-end 2017:

	June 30		December 31
(Dollars in thousands)	2018		2017		$ Change			% Change
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	5,132	$	5,187	$	(55	)		(1.06	%)
State and political subdivisions		5,798		5,797		1			0.02	%
Mortgage-backed securities		21		23		(2	)		(8.70	%)
Single issue trust preferred securities		9,407		9,401		6			0.06	%
Other corporate securities		20		20		0			0.00	%
Total held to maturity securities, at amortized cost	$	20,378	$	20,428	$	(50	)		(0.24	%)

At June 30, 2018, gross unrealized losses on available for sale securities were $45.56 million. Securities in an unrealized loss position at June 30, 2018 consisted primarily of state and political subdivision securities, and agency commercial and residential mortgage-backed securities. The state and political subdivisions securities relate to securities issued by various municipalities. The agency commercial and residential mortgage-backed securities relate to commercial and residential properties and provide a guaranty of full and timely payments of principal and interest by the issuing agency.

As of June 30, 2018, United’s mortgage-backed securities had an amortized cost of $1.43 billion, with an estimated fair value of $1.40 billion. The portfolio consisted primarily of $913.95 million in agency residential mortgage-backed securities with a fair value of $890.15 million, $4.31 million in non-agency residential mortgage-backed securities with an estimated fair value of $4.79 million, and $513.21 million in commercial agency mortgage-backed securities with an estimated fair value of $501.40 million.

As of June 30, 2018, United’s corporate securities had an amortized cost of $259.96 million, with an estimated fair value of $257.17 million. The portfolio consisted primarily of $6.18 million in Trup Cdos with a fair value of $5.82 million and $18.15 million in single issue trust preferred securities with an estimated fair value of $16.78 million. In addition to the trust preferred securities, the Company held positions in various other corporate securities, including asset-backed securities with an amortized cost of $166.36 million and a fair value of $166.13 million and other corporate securities, with an amortized cost of $69.28 million and a fair value of $68.44 million.

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The Trup Cdos consisted of pools of trust preferred securities issued by trusts related to financial institutions. During the first quarter of 2018, seven Trup Cdos were sold and one Trup Cdo was redeemed at par. As of June 30, 2018, all of the Trup Cdos were rated below investment grade. United’s single issue trust preferred securities had a fair value of $16.78 million as of June 30, 2018. Of the $16.78 million, $4.03 million or 24.02% were investment grade; $5.48 million or 32.66% were split rated; $2.29 million or 13.65% were below investment grade; and $4.98 million or 29.67% were unrated. The two largest exposures accounted for 71.05% of the $16.78 million. These included SunTrust Bank at $6.94 million and Emigrant Bank at $4.98 million. All single-issue trust preferred securities are currently receiving full scheduled principal and interest payments.

The following is a summary of available for sale single-issue trust preferred securities as of June 30, 2018:

Security	Moodys		S&P		Fitch		Amortized Cost		Fair Value		Unrealized Loss/ (Gain)
							(Dollars in thousands)
Emigrant Bank		NR		NR		WD	$	5,718	$	4,980	$	738
M&T Bank		NR		BBB-		BBB-		3,024		3,258		(234	)
							$	8,742	$	8,238	$	504

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 (amortized cost balance of $7.43 million) and Royal Bank of Scotland (amortized cost balance of $976 thousand).

During the second quarter of 2018, United did not recognize any other-than-temporary impairment on any of its investment securities. Management does not believe that any individual security with an unrealized loss as of June 30, 2018 is other-than-temporarily impaired. United believes the decline in value resulted from changes in market interest rates, 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 held for sale

Loans held for sale increased $19.24 million or 7.23%. Loan originations exceeded sales in the secondary market during the first six months of 2018. Loan originations for the first half of 2018 were $1.10 billion while loans sales were $1.05 billion. Loans held for sale were $285.19 million at June 30, 2018 as compared to $265.96 million at year-end 2017.

Portfolio Loans

Loans, net of unearned income, increased $505.21 million or 3.88% from year-end 2017. Since year-end 2017, commercial, financial and agricultural loans increased $200.01 million or 2.56% as commercial loans (not secured by real estate) increased $210.21 million while commercial real estate loans were relatively flat, decreasing $10.20 million or less than 1%. In addition, residential real estate loans increased $304.30 million or 10.16% and consumer loans increased $105.42 million or 14.76%, due mainly to an increase in automobile loans. Partially offsetting these increases was a decrease in construction and land development loans of $108.05 million or 7.18%.

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The following table summarizes the changes in the major loan classes since year-end 2017:

	June 30			December 31
(Dollars in thousands)	2018			2017			$ Change			% Change
Loans held for sale	$	285,194		$	265,955		$	19,239			7.23	%
Commercial, financial, and agricultural:
Owner-occupied commercial real estate	$	1,366,814		$	1,361,629		$	5,185			0.38	%
Nonowner-occupied commercial real estate		4,435,910			4,451,298			(15,388	)		(0.35	%)
Other commercial loans		2,209,191			1,998,979			210,212			10.52	%
Total commercial, financial, and agricultural	$	8,011,915		$	7,811,906		$	200,009			2.56	%
Residential real estate		3,300,472			2,996,171			304,301			10.16	%
Construction & land development		1,396,853			1,504,907			(108,054	)		7.18	%
Consumer:
Bankcard		9,717			10,314			(597	)		(5.79	%)
Other consumer		810,051			704,039			106,012			15.06	%
Total gross loans	$	13,529,008		$	13,027,337		$	501,671			3.85	%
Less: Unearned income		(12,379	)		(15,916	)		3,537			(22.22	%)
Total Loans, net of unearned income	$	13,516,629		$	13,011,421		$	505,208			3.88	%

The following table summarizes the outstanding balances of portfolio loans originated and acquired, by type, as of June 30, 2018 and December 31, 2017:

	June 30, 2018
(In thousands)	Commercial, financial and agricultural		Residential real estate		Construction  & land development		Consumer		Total
Originated	$	5,033,926	$	2,381,261	$	1,061,551	$	813,893	$	9,290,631
Acquired		2,977,989		919,211		335,302		5,875		4,238,377
Total gross loans	$	8,011,915	$	3,300,472	$	1,396,853	$	819,768	$	13,529,008

	December 31, 2017
(In thousands)	Commercial, financial and agricultural		Residential real estate		Construction & land development		Consumer		Total
Originated	$	4,647,745	$	1,974,804	$	1,032,629	$	707,661	$	8,362,839
Acquired		3,164,161		1,021,367		472,278		6,692		4,664,498
Total gross loans	$	7,811,906	$	2,996,171	$	1,504,907	$	714,353	$	13,027,337

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

Other Assets

Other assets were relatively flat from year-end 2017, increasing $3.83 million or less than 1% from year-end 2017. Deferred taxes increased $5.82 million. In addition, derivative assets and bank owned life insurance policies increased $4.77 million and $2.60 million, respectively, due to a change in fair value and dealer reserve increased $2.45 million due to an increase in automobile loans. Partially offsetting these increases were decreases for the quarter in core deposit intangibles of $4.02 million due to amortization, income taxes receivable of $3.72 million and other real estate owned of $2.42 million due to sales and declines in fair value.

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Deposits

Deposits represent United’s primary source of funding. Total deposits at June 30, 2018 were flat from year-end 2017, increasing $175 thousand or less than 1%. In terms of composition, noninterest-bearing deposits were relatively flat, increasing $37.15 million or less than 1% and interest-bearing deposits were relatively flat as well, decreasing $36.98 million or less than 1% from December 31, 2017.

Noninterest-bearing deposits consists of demand deposit and noninterest bearing money market (MMDA) account balances. The slight increase in noninterest-bearing deposits was due mainly to increases in commercial and personal noninterest-bearing deposits of $41.76 million or 1.25% and $21.06 million or 3.00%, respectively. Partially offsetting these increases was a decrease of $19.22 million or 14.99% in public funds noninterest-bearing deposits.

Interest-bearing deposits consists of interest-bearing checking (NOW), regular savings, interest-bearing MMDA, and time deposit account balances. Interest-bearing MMDAs increased $2.04 billion while NOW accounts decreased $2.00 billion since year-end 2017 due mainly to sweep activity of $1.94 billion from NOW accounts to interest-bearing MMDAs to reduce United’s reserve requirement at its Federal Reserve Bank. Otherwise, interest-bearing MMDAs increased $99.99 million or 2.66% as brokered MMDAs and public funds MMDAs were up $158.75 million and $20.03 million, respectively, while commercial and personal MMDAs declined $46.93 million and $31.87 million, respectively. Excluding the sweep activity, NOW accounts decreased $61.44 million or 2.85% mainly due to a decrease of $99.59 million in personal NOW accounts. Partially offsetting this decrease were increases of $27.35 million and $10.80 million in public funds and commercial NOW accounts, respectively.

Regular savings were relatively flat from year-end 2017, increasing $6.70 million or less than 1%.

Time deposits under $100,000 decreased $78.82 million or 9.91%. This decrease in time deposits under $100,000 is the result of decreases of $28.52 million and $32.62 million in fixed rate certificates of deposits (CDs) and Certificate of Deposit Account Registry Service (CDARS) balances, respectively.

Time deposits over $100,000 were flat, decreasing $3.34 million or less than 1% as CDARS balances decreased $97.24 million, fixed rate CDs over $100,000 decreased $23.96 million and variable rate CDs over $100,00 decreased $7.24 million while brokered deposits increased $115.09 million.

The following table summarizes the changes in the deposit categories since year-end 2017:

	June 30		December 31
(Dollars in thousands)	2018		2017		$ Change			% Change
Demand deposits	$	1,411,647	$	4,294,687	$	(2,883,040	)		(67.13	%)
Interest-bearing checking		156,060		2,156,974		(2,000,914	)		(92.76	%)
Regular savings		1,040,797		1,034,100		6,697			0.65	%
Money market accounts		8,715,912		3,756,259		4,959,653			132.04	%
Time deposits under $100,000		716,313		795,137		(78,824	)		(9.91	%)
Time deposits over $100,000 (1)		1,790,037		1,793,434		(3,397	)		(0.19	%)
Total deposits	$	13,830,766	$	13,830,591	$	175			0.00	%

(1) Includes time deposits of $250,000 or more of $915,443 and $790,703 at June 30, 2018 and December 31, 2017, respectively.

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Borrowings

Total borrowings at June 30, 2018 increased $152.58 million or 8.29% from year-end 2017. During the first six months of 2018, short-term borrowings decreased $278.08 million or 58.23% due to a $200.00 million decrease in overnight Federal Home Loan Bank (FHLB) and a $75.85 million decrease in short-term securities sold under agreements to repurchase. Federal funds purchased decreased $2.24 million or 13.77%. Long-term borrowings increased $430.66 million or 31.57% from year-end 2017 due to net advances on long-term FHLB advances partially offset by the redemption of a trust preferred issuance (Century Trust) and the repayment of a wholesale security sold under an agreement to repurchase.

The table below summarizes the change in the borrowing categories since year-end 2017:

	June 30		December 31
(Dollars in thousands)	2018		2017		$ Change			% Change
Federal funds purchased	$	14,000	$	16,235	$	(2,235	)		(13.77	%)
Short-term securities sold under agreements to repurchase		185,507		261,352		(75,845	)		(29.02	%)
Long-term securities sold under agreements to repurchase		0		50,000		(50,000	)		(100.00	%)
Short-term FHLB advances		0		200,000		(200,000	)		(100.00	%)
Long-term FHLB advances		1,560,365		1,071,531		488,834			45.62	%
Issuances of trust preferred capital securities		234,276		242,446		(8,170	)		(3.37	%)
Total borrowings	$	1,994,148	$	1,841,564	$	152,584			8.29	%

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 June 30, 2018 decreased $6.40 million or 4.39% from year-end 2017. In particular, the pension liability declined $8.15 million due a discretionary contribution of $7.00 million to the Company’s pension plan during the first quarter, business franchise taxes decreased $4.24 million and incentive payables declined $2.75 million due to payments. Partially offsetting these decreases were increases of $6.09 million in the accounts payable associated with George Mason, $5.34 million for mortgage escrow liabilities and $1.39 million in income taxes payable due to a timing difference.

Shareholders’ Equity

Shareholders’ equity at June 30, 2018 was relatively flat from December 31, 2017, increasing $2.04 million or less than 1%.

Retained earnings increased $63.14 million or 7.08% from year-end 2017. Earnings net of dividends for the first six months of 2018 were $56.65 million. Amounts reclassed to retained earnings from AOCI for the adoption of ASU No. 2016-01 and ASU No. 2018-02 totaled $6.49 million for the first half of 2018.

Accumulated other comprehensive income decreased $27.98 million or 66.57% due mainly to a decrease of $30.49 million in United’s available for sale investment portfolio, net of deferred income taxes partially offset by the reclass to retained earnings of $6.49 million and the reversal of $7.22 million in noncredit OTTI for securities sold in the first half of 2018. The after-tax accretion of pension costs was $1.78 million for the first half of 2018.

During the second quarter of 2018, United began repurchasing its common stock on the open market under a plan announced by the Company in August of 2017 to repurchase up to 2 million shares of its common stock. United repurchased 962,500 shares during the second quarter of 2018 at a cost of $35.58 million or an average price per share of $36.97.

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RESULTS OF OPERATIONS

Overview

Net income for the second quarter of 2018 was $66.27 million or $0.63 per diluted share, as compared to $37.06 million or $0.37 per diluted share for the prior year second quarter. Net income for the first six months of 2018 was $127.98 million or $1.22 per diluted share compared to $75.87 million or $0.84 per share for the first six months of 2017.

As previously mentioned, United completed its acquisition of Cardinal on April 21, 2017. The financial results of Cardinal are included in United’s results from the acquisition date. As a result of the acquisition, the first half and second quarter of 2018 were impacted for increased levels of average balances, income, and expense as compared to the first half and second quarter of 2017. In addition, the second quarter and first half of 2017 included merger-related expenses of $23.22 million and $24.45 million, respectively, due to the Cardinal acquisition.

For the second quarter of 2018, United’s annualized return on average assets was 1.42% and return on average shareholders’ equity was 8.11% as compared to 0.82% and 4.93% for the second quarter of 2017. United’s annualized return on average assets for the first six months of 2018 was 1.39% and return on average shareholders’ equity was 7.88% as compared to 0.94% and 5.80% for the first six months of 2017.

Net interest income for the second quarter of 2018 was $149.12 million, an increase of $12.88 million or 9.45% from the second quarter of 2017. The increase in net interest income occurred because total interest income increased $23.05 million while total interest expense only increased $10.18 million from the second quarter of 2017. Net interest income for the first half of 2018 was $293.17 million, an increase of $49.30 million or 20.22% from the prior year’s first six months. The increase in net interest income occurred because total interest income increased $69.48 million while total interest expense only increased $20.18 million from the first six months of 2017.

The provision for credit losses was $6.20 million and $11.38 million for the second quarter and first six months of 2018, respectively, as compared to $8.25 million and $14.15 million for the second quarter and first six months of 2017, respectively. For the second quarter of 2018, noninterest income was $36.01 million, which was a decrease of $4.50 million or 11.11% from the second quarter of 2017. Noninterest income for the first six months of 2018 was $67.20 million which was an increase of $6.55 million or 10.79% from the first six months of 2017. These increases from 2017 were mainly due to additional income from mortgage banking activities as a result of the Cardinal acquisition. For the second quarter of 2018, noninterest expense decreased $18.73 million or 16.70% from the second quarter of 2017. For the first six months of 2018, noninterest expense increased $8.88 million or 5.08% from the first six months of 2017. These changes from 2017 were due mainly to the Cardinal acquisition.

Income taxes for the second quarter of 2018 were $19.24 million as compared to $19.30 million for the second quarter of 2017. For the first six months of 2018 and 2017, income tax expense was $37.14 million and $39.52 million, respectively. For the quarters ended June 30, 2018 and 2017, United’s effective tax rate was 22.50% and 34.25%, respectively. The effective tax rate for the first six months of 2018 and 2017 was 22.49% and 34.25%, respectively.

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

Business Segments

As a result of the Cardinal acquisition, United now operates in two business segments: community banking and mortgage banking. Prior to the Cardinal acquisition, United’s business activities were confined to just one reportable segment of community banking.

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Community Banking

Net income attributable to the community banking segment for the second quarter of 2018 was $65.27 million compared to net income of $45.92 million for the second quarter of 2017.

Net interest income increased $10.95 million to $149.45 million for the second quarter of 2018, compared to $138.50 million for the same period of 2017. Generally, net interest income for the second quarter of 2018 increased from the second quarter of 2017 because of almost one additional month of earning assets from the Cardinal acquisition. Provision for loan losses was $6.20 million for the three months ended June 30, 2018 compared to a provision of $8.25 million for the same period of 2017. Noninterest income decreased $758 thousand for the second quarter of 2018 to $17.47 million as compared to $18.22 million for the second quarter of 2017. The decline was mainly due to a decrease in net gains and losses on investment securities’ activity. Noninterest expense was $76.50 million for the second quarter of 2018, compared to $78.63 million for the same period of 2017. The decrease of $2.14 million in noninterest expense was primarily attributable to merger-related expenses from the Cardinal acquisition included in the second quarter of 2017.

Net income attributable to the community banking segment for the first half of 2018 was $131.71 million compared to net income of $83.94 million for the first half of 2017.

Net interest income increased $46.91 million to $295.07 million for the first half of 2018, compared to $248.16 million for the same period of 2017. Generally, net interest income for the first six months of 2018 increased from the first six months of 2017 because of the earning assets added from the Cardinal acquisition. Provision for loan losses was $11.38 million for the six months ended June 30, 2018 compared to a provision of $14.15 million for the same period of 2017. Noninterest income was relatively flat from the first half of 2018, increasing $199 thousand to $35.24 million for the first half of 2018 as compared to $35.04 million for the first half of 2017. Noninterest expense was $148.99 million for the six months ended June 30, 2018, compared to $141.38 million for the same period of 2017. The increase of $7.60 million in noninterest expense was primarily attributable to increases in branches, staffing and merger-related expenses from the Cardinal acquisition.

Mortgage Banking

The mortgage banking segment reported net income of $1.94 million for the second quarter and a net loss of $479 thousand for the first half of 2018 as compared to net income of $2.48 million for the second quarter and first half of 2017. Noninterest income, which consists mainly of realized and unrealized gains associated with the fair value of commitments and loans held for sale, was $23.47 million and $38.35 million for the second quarter and first half of 2018 as compared to $22.39 million for the second quarter and first half of 2017. Noninterest expense was $21.23 million and $39.61 million for the second half and first half of 2018 as compared $18.71 million for the second quarter and first half of 2017. Noninterest expense consists mainly of salaries, commissions and benefits of mortgage segment employees.

The following discussion explains in more detail the consolidated 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 2018 and 2017, are presented below.

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Net interest income for the second quarter of 2018 was $149.12 million, which was an increase of $12.88 million or 9.45% from the second quarter of 2017. The $12.88 million increase in net interest income occurred because total interest income increased $23.05 million while total interest expense only increased $10.18 million from the second quarter of 2017. Net interest income for the first six months of 2018 was $293.17 million, which was an increase of $49.30 million or 20.22% from the first six months of 2017. The $49.30 million increase in net interest income occurred because total interest income increased $69.48 million while total interest expense only increased $20.18 million from the first six months of 2017. On a linked-quarter basis, net interest income for the second quarter of 2018 increased $5.08 million or 3.53% from the first quarter of 2018. The $5.08 million increase in net interest income occurred because total interest income increased $10.82 million while total interest expense only increased $5.74 million from the first quarter of 2018.

Generally, interest income for the first half of 2018 increased from the first half of 2017 because of the earning assets added from the Cardinal acquisition. The higher amount of interest expense for the first half of 2018 from the first half of 2017 was due mainly to the interest-bearing liabilities added from the Cardinal acquisition and higher market interest rates. In addition, loan accretion on acquired loans for the first half of 2018 increased from the same time period last year. 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 for the second quarter of 2018 was $150.24 million, an increase of $11.48 million or 8.27% from the second quarter of 2017 due mainly to almost an additional month of average earning assets from the Cardinal acquisition. Average earning assets for the second quarter of 2018 increased $264.43 million or 1.64% from the second quarter of 2017 due mainly to increases of $540.32 million or 30.84% in average investment securities and $428.34 million or 3.28% in average net loans. Partially offsetting these increases was a decrease in average short-term investments of $704.23 million or 52.03%. The second quarter of 2018 average yield on earning assets increased 46 basis points from the second quarter of 2017 due to additional loan accretion of $4.70 million on acquired loans and higher market interest rates. Partially offsetting the increases to tax-equivalent net interest income for the second quarter of 2018 was an increase of 39 basis points in the average cost of funds as compared to the second quarter of 2017 due to higher market interest rates. The net interest margin of 3.67% for the second quarter of 2018 was an increase of 23 basis points from the net interest margin of 3.44% for the second quarter of 2017.

Tax-equivalent net interest income for the first six months of 2018 was $295.38 million, an increase of $47.44 million or 19.14% from the first six months of 2017. This increase in tax-equivalent net interest income was primarily attributable to an increase in average earning assets from the Cardinal acquisition. Average earning assets increased $1.82 billion or 12.53% from the first six months of 2017 as average net loans increased $1.63 billion or 14.00% for the first six months of 2018. Average investment securities increased $674.66 million or 43.21%. The first half of 2018 average yield on earning assets increased 40 basis points from the first half of 2017 due to additional loan accretion of $11.23 million on acquired loans and higher market interest rates. Partially offsetting the increases to tax-equivalent net interest income for the first half of 2018 was an increase of 32 basis points in the average cost of funds as compared to the first half of 2017 due to higher market interest rates. The net interest margin of 3.64% for the first half of 2018 was an increase of 20 basis points from the net interest margin of 3.44% for the first half of 2017.

Tax-equivalent net interest income for the second quarter of 2018 increased $5.09 million or 3.51% from the first quarter of 2018 due to a combination of a slight increase in the average earning assets and an increase in the yield on average earning assets. Average earning assets for the second quarter of 2018 were relatively flat, increasing $156.14 million or less than 1% as compared to the first quarter of 2018 as average investment securities increased $113.01 million or 5.19% and average net loans increased $373.52 million or 2.85% for the linked-quarter. Average short-term

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investments decreased $330.38 million or 33.72%. The yield on average earning assets for the second quarter of 2018 increased 18 basis points from the first quarter of 2018 due mainly to a higher yield on loans as a result of an increase of $1.29 million in loan accretion on acquired loans and higher market interest rates. Partially offsetting the increases to tax-equivalent net interest income for the second quarter of 2018 was an increase of 20 basis points in the average cost of funds as compared to the first quarter of 2018 due to higher market interest rates. The net interest margin of 3.67% for the second quarter of 2018 increased 6 basis points from the net interest margin of 3.61% for the first quarter of 2018.

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 June 30, 2018, June 30, 2017 and March 31, 2018 and the six months ended June 30, 2018 and June 30, 2017:

	Three Months Ended
	June 30		June 30		March 31
(Dollars in thousands)	2018		2017		2018
Loan accretion	$	12,056	$	7,355	$	10,766
Certificates of deposit		311		776		326
Long-term borrowings		268		197		269
Total	$	12,635	$	8,328	$	11,361

	Six Months Ended
	June 30		June 30
(Dollars in thousands)	2018		2017
Loan accretion	$	22,822	$	11,590
Certificates of deposit		637		823
Long-term borrowings		537		80
Tax-equivalent net interest income	$	23,996	$	12,493

The following tables reconcile the difference between net interest income and tax-equivalent net interest income for the three months ended June 30, 2018, June 30, 2017 and March 31, 2018 and the six months ended June 30, 2018 and June 30, 2017.

	Three Months Ended
	June 30		June 30		March 31
(Dollars in thousands)	2018		2017		2018
Net interest income, GAAP basis	$	149,122	$	136,245	$	144,043
Tax-equivalent adjustment (1)		1,115		2,512		1,104
Tax-equivalent net interest income	$	150,237	$	138,757	$	145,147

	Six Months Ended
	June 30		June 30
(Dollars in thousands)	2018		2017
Net interest income, GAAP basis	$	293,165	$	243,865
Tax-equivalent adjustment (1)		2,219		4,076
Tax-equivalent net interest income	$	295,384	$	247,941

(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 21% for the three months and six months ended June 30, 2018 and the three months ended March 31, 2018 and 35% for the three months and six months ended June 30, 2017. All interest income on loans and investment securities was subject to state income taxes.

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The following tables show the unaudited consolidated daily average balance of major categories of assets and liabilities for the three-month and six-month periods ended June 30, 2018 and 2017, 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 21% for the three-month and six-month period ended June 30, 2018 and 35% for the three-month and six-month period ended June 30, 2017. Interest income on all loans and investment securities was subject to state income taxes.

	Three Months Ended								Three Months Ended
	June 30, 2018								June 30, 2017
(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 purchased under agreements to resell and other short-term investments	$	649,282		$	3,465		2.14	%	$	1,353,516		$	3,785		1.12	%
Investment Securities:
Taxable		2,049,301			13,810		2.70	%		1,505,704			8,809		2.34	%
Tax-exempt		243,048			1,811		2.98	%		246,325			2,237		3.63	%
Total Securities		2,292,349			15,621		2.73	%		1,752,029			11,046		2.52	%
Loans, net of unearned income (2)		13,547,371			160,029		4.74	%		13,115,097			142,628		4.36	%
Allowance for loan losses		(76,773	)							(72,837	)
Net loans		13,470,598					4.76	%		13,042,260					4.38	%
Total earning assets		16,412,229		$	179,115		4.37	%		16,147,805		$	157,459		3.91	%
Other assets		2,300,155								2,035,210
TOTAL ASSETS	$	18,712,384							$	18,183,015
LIABILITIES
Interest-Bearing Funds:
Interest-bearing deposits	$	9,210,282		$	19,076		0.83	%	$	9,613,565		$	12,586		0.53	%
Short-term borrowings		208,058			464		0.89	%		341,201			415		0.49	%
Long-term borrowings		1,659,613			9,338		2.26	%		1,329,013			5,701		1.72	%
Total Interest-Bearing Funds		11,077,953			28,878		1.05	%		11,283,779			18,702		0.66	%
Noninterest-bearing deposits		4,255,840								3,784,465
Accrued expenses and other liabilities		102,492								97,982
TOTAL LIABILITIES		15,436,285								15,166,226
SHAREHOLDERS’ EQUITY		3,276,099								3,016,789
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$	18,712,384							$	18,183,015
NET INTEREST INCOME				$	150,237							$	138,757
INTEREST SPREAD							3.32	%							3.25	%
NET INTEREST MARGIN							3.67	%							3.44	%

(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 21% starting 2018 and 35% in 2017.

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

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	Six Months Ended								Six Months Ended
	June 30, 2018								June 30, 2017
(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	$	813,562		$	8,382		2.08	%	$	1,300,810		$	6,471		1.00	%
Investment Securities:
Taxable		1,986,668			25,685		2.59	%		1,350,603			16,820		2.49	%
Tax-exempt		249,488			3,666		2.94	%		210,898			3,959		3.75	%
Total Securities		2,236,156			29,351		2.63	%		1,561,501			20,779		2.66	%
Loans, net of unearned income (2)		13,361,545			309,671		4.67	%		11,726,073			252,531		4.34	%
Allowance for loan losses		(76,675	)							(72,840	)
Net loans		13,284,870					4.70	%		11,653,233					4.37	%
Total earning assets		16,334,588		$	347,404		4.28	%		14,515,544		$	279,781		3.88	%
Other assets		2,294,033								1,788,620
TOTAL ASSETS	$	18,628,621							$	16,304,164
LIABILITIES
Interest-Bearing Funds:
Interest-bearing deposits	$	9,281,485		$	34,733		0.75	%	$	8,610,621		$	21,054		0.49	%
Short-term borrowings		246,988			885		0.72	%		284,276			719		0.51	%
Long-term borrowings		1,506,795			16,402		2.20	%		1,247,022			10,067		1.63	%
Total Interest-Bearing Funds		11,035,268			52,020		0.95	%		10,141,919			31,840		0.63	%
Non-interest bearing deposits		4,215,230								3,437,643
Accrued expenses and other liabilities		103,484								86,319
TOTAL LIABILITIES		15,353,982								13,665,881
SHAREHOLDERS’ EQUITY		3,274,639								2,638,283
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$	18,628,621							$	16,304,164
NET INTEREST INCOME				$	295,384							$	247,941
INTEREST SPREAD							3.33	%							3.25	%
NET INTEREST MARGIN							3.64	%							3.44	%

(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 21% starting 2018 and 35% in 2017.

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

Provision for Loan Losses

For the quarters ended June 30, 2018 and 2017, the provision for loan losses was $6.20 million and $8.25 million, respectively. The provision for loan losses for the first six months of 2018 and 2017 was $11.38 million and $14.15 million, respectively. Net charge-offs were $5.72 million for the second quarter of 2018 as compared to net charge-offs of $8.14 million for the same quarter in 2017. Net charge-offs for the first six months of 2018 were $10.87 million as compared to $13.94 million for the first six months of 2017. These lower amounts of provision expense and net charge-offs in 2018 compared to the same periods in 2017 were due to the recognition of losses on several large commercial relationships in 2017. On a linked-quarter basis, the provision for loan losses increased $1.03 million

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while net charge-offs increased $570 thousand from the first quarter of 2018. These higher amounts of provision expense and net charge-offs for the second quarter of 2018 compared to the first quarter of 2018 were due to the recognition of losses on two large commercial relationships and the need to provide for additional allocations within the commercial portfolio. Annualized net charge-offs as a percentage of average loans were 0.17% for both the second quarter and first six months of 2018.

At June 30, 2018, nonperforming loans were $150.92 million or 1.12% of loans, net of unearned income compared to nonperforming loans of $168.74 million or 1.30% of loans, net of unearned income at December 31, 2017. 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 $16.42 million at June 30, 2018, an increase of $6.62 million or 67.52% from $9.80 million at year-end 2017. This increase was primarily due to an increase in delinquencies of loans that have matured. At June 30, 2018, nonaccrual loans were $74.11 million, a decrease of $34.69 million or 31.88% from $108.80 million at year-end 2017. This decrease was primarily due to the restructure of a large nonaccrual relationship such that it is now reported as a restructured loan as well as losses recognized on several large commercial nonaccrual relationships. Restructured loans were $60.38 million at June 30, 2018, an increase of $10.26 million or 20.46% from $50.13 million at year-end 2017. Six loans totaling $16.52 million were restructured during the first half of 2018. Four of the restructured loans totaling $9.57 million were associated with an oil, gas and coal industry-related relationship. 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 $172.85 million, including OREO of $21.93 million at June 30, 2018, represented 0.90% of total assets.

The following table summarizes nonperforming assets for the indicated periods.    

	June 30,		December 31,
(In thousands)	2018		2017		2016		2015		2014		2013
Nonaccrual loans (1)
Originated	$	65,313	$	97,971	$	77,111	$	83,146	$	64,312	$	58,121
Acquired		8,801		10,832		6,414		8,043		10,739		3,807
Loans which are contractually past due 90 days or more as to interest or principal, and are still accruing interest
Originated		8,278		7,288		7,763		11,462		10,868		10,015
Acquired		8,144		2,515		823		166		807		1,029
Restructured loans (1)
Originated		58,986		48,709		21,115		23,890		22,234		8,157
Acquired		1,398		1,420		37		0		0		0
Total nonperforming loans	$	150,920	$	168,835	$	113,263	$	126,707	$	108,960	$	81,129
Other real estate owned		21,926		24,348		31,510		32,228		38,778		38,182
TOTAL NONPERFORMING ASSETS	$	172,846	$	193,083	$	144,773	$	158,935	$	147,738	$	119,311

(1) Restructured loans that were on nonaccrual status for the indicated periods are included in “Restructured loans” and not “Nonaccrual loans” (see Note 5 to the unaudited Consolidated Financial Statements for further information).

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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 June 30, 2018, impaired loans were $368.19 million, which was a decrease of $58.74 million or 13.76% from the $426.93 million in impaired loans at December 31, 2017. This decrease was due mainly to a reduction in acquired impaired loans as well as the Company’s reduced exposure to the oil, gas and coal industry. Acquired impaired loans are accounted for under ASC Subtopic 310-30. The recorded investment balance and the contractual principal balance of the acquired impaired loans were $168.50 million and $221.98 million at June 30, 2018, respectively, as compared to $210.52 million and $285.96 million, respectively, at December 31, 2017. For the acquired impaired loans accounted for under ASC 310-30, the difference between the contractually required payments due and the cash flows expected to be collected, considering the impact of prepayments, is referred to as the non-accretable difference (the credit mark). The credit mark is not recognized in income. The remaining credit mark was $46.43 million and $60.15 million at June 30, 2018 and December 31, 2017, respectively. 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 June 30, 2018, the allowance for credit losses was $78.06 million as compared to $77.31 million at December 31, 2017.

At June 30, 2018, the allowance for loan losses was $77.13 million as compared to $76.63 million at December 31, 2017. As a percentage of loans, net of unearned income, the allowance for loan losses was 0.57% at June 30, 2018 and 0.59% at December 31, 2017. The ratio of the allowance for loan losses to nonperforming loans or coverage ratio was 51.11% and 45.41% at June 30, 2018 and December 31, 2017, 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 company-wide review of the allowance for loan losses at June 30, 2018 produced increased allocations in two of the four loan categories. The commercial, financial & agricultural loan pool allocation increased $629 thousand primarily due to an increase in historical loss rates for other commercial loans and increased outstanding balances. The residential real estate allocation increased $452 thousand primarily due to an increase in outstanding balances. Offsetting these increases was a decrease in the allocation related to the real estate construction and development loan pool of $595 thousand due to improvement in the historical loss rate applied to the pool. The consumer loan pool also experienced a decrease of $62 thousand 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 2017 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

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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 $19.08 million at June 30, 2018 and $22.35 million at December 31, 2017. In comparison to the prior year-end, this element of the allowance decreased by $3.27 million primarily due to decreased specific allocations for commercial, financial & agricultural loans.

Management believes that the allowance for credit losses of $78.06 million at June 30, 2018 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 second quarter of 2018 was $36.01 million, a decrease of $4.50 million or 11.11% from the second quarter of 2017. Noninterest income for the first half of 2018 was $67.20 million, which was an increase of $6.55 million or 10.79% from the first half of 2017.

Income from mortgage banking activities totaled $18.69 million for the second quarter of 2018 compared to $22.54 million for the same period of 2017. For the first half of 2018 and 2017, income from mortgage banking activities was $33.26 million and $23.21 million, respectively. The decrease for the second quarter of 2018 was due to decreased production and sales of mortgage loans in the secondary market by United’s mortgage banking subsidiary, George Mason. For the three months ended June 30, 2018 and 2017, mortgage loan sales were $484.79 million and $733.08 million, respectively. The increase for the first half of 2018 was mainly due to including the production and sales of mortgage loans in the secondary market by George Mason for a full first six months in 2018 as compared to slightly over two months in 2017. For the six months ended June 30, 2018 and 2017, mortgage loan sales were $1.05 billion and $764.24 million, respectively.

For the second quarter of 2018, net gains and losses on investment securities’ activity declined $802 thousand from the second quarter of 2017. A net loss on investment securities of $55 thousand was recorded for the second quarter of 2018 as compared to a net gain on investment securities of $747 thousand for the second quarter of 2017. The net loss and gain were mainly due to sales of investment securities. For the first half of 2018, United recorded a net loss of $540 thousand on investment securities’ activity as compared to a net gain of $4.69 million for the first half of 2017. A net gain of $3.77 million on the redemption of an investment security was recorded during the first quarter of 2017.

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Fees from brokerage services for the first half of 2018 increased $439 thousand from the first half of 2017 due to increased volume.

Fees from deposit services for the first half of 2018 increased $416 thousand from the first half of 2017. The increase was mainly due to higher income from debit card and automated teller machine (ATM) fees.

Bankcard fees for the first half of 2018 increased $735 thousand from the first half of 2017 due to increased volume.

On a linked-quarter basis, noninterest income for the second quarter of 2018 increased $4.82 million or 15.44% from the first quarter of 2018 due mainly to an increase of $4.12 million in income from mortgage banking activities. The increase was due mainly to a change in fair value of $4.16 million on George Mason’s interest rate lock commitments. In addition, net gains and losses on investment securities’ activity increased $430 thousand.

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 decreased $18.73 million or 16.70% for the second quarter of 2018 compared to the same period in 2017. For the first six months of 2018, noninterest expense increased $8.88 million or 5.08% from the first six months of 2017.

Employee compensation for the second quarter of 2018 decreased $12.91 million or 23.04% from the second quarter of 2017. Employee compensation increased $3.89 million or 4.86% for the first six months of 2018 when compared to the first six months of 2017. Merger severance charges of $12.77 million from the Cardinal acquisition were included in the second quarter and first half of 2017. Otherwise, base salaries for the second quarter and first half of 2018 increased $1.43 million or 5.02% and $10.14 million or 20.58%, respectively, from the same time periods in 2017 due mainly to additional employees from the Cardinal acquisition. The remainder of the increase in employee compensation for the second quarter and first half of 2018 was due mainly to higher employee incentives and commissions expense mainly related to the mortgage banking production of George Mason.

Employee benefits expense for the first six months of 2018 increased $2.21 million or 13.24% as compared to the first six months of 2017. The increase for the first half of 2018 was due in large part to additional 401K expense of $1.25 million, Federal Insurance Contributions Act (FICA) expense of $978 thousand, and health insurance expense of $803 thousand resulting from the additional employees from the Cardinal acquisition. Pension expense declined $540 thousand.

Net occupancy expense decreased $4.84 million or 34.77% and $2.19 million or 10.60% for the second quarter and first six months of 2018, respectively, as compared to the same periods in the prior year. Included in net occupancy expense for the second quarter and first half of 2017 were charges of $5.76 million for the termination of leases and the reduction in the value of leasehold improvements for closed offices in the Cardinal acquisition.

Data processing expense increased $2.29 million or 24.46% for the first half of 2018 as compared to the same period in the prior year due to additional processing as a result of the Cardinal acquisition.

Federal Deposit Insurance Corporation (FDIC) insurance expense for the second quarter and first half of 2018 increased $1.07 million and $1.17 million, respectively, from the same periods in 2017 as United Bank is now considered a large institution and subject to increased assessment rates.

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Other expense for the second quarter of 2018 decreased $2.95 million or 13.49% from the second quarter of 2017. Included in other expense for the second quarter of 2017 were merger-related expenses of $4.16 million.

On a linked-quarter basis, noninterest expense for the second quarter of 2018 increased $2.96 million or 3.27% from the first quarter of 2018 due mainly to an increase of $2.28 million in employee compensation due mainly to higher commissions expense related to an increase in production and sales of mortgage loans at George Mason. In addition, FDIC insurance expense increased $994 thousand due to United Bank now being considered a large institution as previously mentioned.

Income Taxes

For the second quarter and first half of 2018, income tax expense was $19.24 million and $37.14 million, respectively, as compared to $19.30 million and $39.52 million, respectively, in the second quarter and first half of 2017. The decreases in 2018 were mainly due to a decline in the effective tax rate as a result of the Tax Cuts and Jobs Act of 2017 (the Tax Act) partially offset by an increase in earnings. On a linked-quarter basis, income tax expense for the second quarter of 2018 increased $1.34 million from the first quarter of 2018 mainly due to higher earnings. United’s effective tax rate was 22.50% for the second quarter and first quarter of 2018 and 34.25% for the second quarter of 2017. For the first half of 2018 and 2017, United’s effective tax rate was 22.49% and 34.25%, respectively. The lower effective tax rate for the time periods in 2018 was due to the impact of the Tax Act. 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, 2017 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 2017 in the specified contractual obligations disclosed in United’s Annual Report on Form 10-K.

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 June 30, 2018 do not present the amounts that may ultimately be paid under these contracts, they are excluded from the contractual obligations table in the 2017 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.

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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.

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 six months ended June 30, 2018, cash of $98.50 million was provided by operating activities due mainly to net income of $127.98 million for the first half of 2018. Partially offsetting this amount were originations exceeding proceeds from the sales of mortgage loans in the secondary market by $13.39 million. Net cash of $718.50 million was used in investing activities which was primarily due to $493.79 million of loan growth and $229.34 million of net purchases of investments over proceeds from sales. During the first six months of 2018, net cash of $46.76 million was provided by financing activities due primarily to net long-term FHLB advances of $490.00 million partially offset by repayments of $328.08 million in short-term borrowings, cash dividends paid of $71.46 million and the repurchase of treasury stock for $35.98 million for the first half of 2018. The net effect of the cash flow activities was a decrease in cash and cash equivalents of $573.24 million for the first six months of 2018.

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.

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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 14.23% at June 30, 2018 while its Common Equity Tier 1 capital, Tier 1 capital and leverage ratios are 12.04%, 12.04% and 10.36%, 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 $3.24 billion at June 30, 2018, which was relatively flat from December 31, 2017, increasing $2.04 million or less than 1%. This slight increase was primarily due to the retention of earnings.

United’s equity to assets ratio was 16.88% at June 30, 2018 as compared to 17.00% at December 31, 2017. The primary capital ratio, capital and reserves to total assets and reserves, was 17.21% at June 30, 2018 as compared to 17.34% at December 31, 2017. United’s average equity to average asset ratio was 17.51% for the second quarter of 2018 as compared to 16.59% the second quarter of 2017. United’s average equity to average asset ratio was 17.58% for the first half of 2018 as compared to 16.18% for the first half of 2017. All of these financial measurements reflect a financially sound position.

During the second quarter of 2018, United’s Board of Directors declared a cash dividend of $0.34 per share. Cash dividends were $0.68 per common share for the first six months of 2018. Total cash dividends declared were $35.58 million for the second quarter of 2018 and $71.33 million for the first six months of 2018 as compared to $34.62 million for the second quarter of 2017 and $61.40 million for the first six months of 2017.

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.

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.

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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 June 30, 2018 and December 31, 2017:

Change in Interest Rates (basis points)	Percentage Change in Net Interest Income
	June 30, 2018			December 31, 2017
+200		(1.01	%)		(1.22	%)
+100		(0.47	%)		(0.48	%)
-100		1.06	%		(0.18	%)
-200		—			—

At June 30, 2018, 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 0.47% over one year as compared to a decrease of 0.48% at December 31, 2017. A 200 basis point immediate, sustained upward shock in the yield curve would decrease net interest income by an estimated 1.01% over one year as of June 30, 2018, as compared to a decrease of 1.22% as of December 31, 2017. A 100 basis point immediate, sustained downward shock in the yield curve would increase net interest income by an estimated 1.06% over one year as of June 30, 2018 as compared to a decrease of 0.18%, over one year as of December 31, 2017. With the federal funds rate at 2.00% at June 30, 2018 and 1.50% at December 31, 2017, management believed a 200 basis point immediate, sustained decline in rates was highly unlikely.

In addition to the one year earnings sensitivity analysis, a two-year analysis is also performed. Compared to the one year analysis, United is projected to show improved performance in year two within the upward rate shock scenarios. 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 increase by 1.31% in year two as of June 30, 2018. A 200 basis point immediate, sustained upward shock in the yield curve would increase net interest income by an estimated 2.34% in year two as of June 30, 2018. A 100 basis point immediate, sustained downward shock in the yield curve would decrease net interest income by an estimated 0.46% in year two as of June 30, 2018.

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 bank is a member 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.

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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 June 30, 2018, United’s mortgage related securities portfolio had an amortized cost of $1.4 billion, of which approximately $868 million or 61% 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 4.2 years and a weighted average yield of 2.58%, 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 4.7 years. The projected price decline of the fixed rate CMO portfolio in rates up 300 basis points would be 11.5%, 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) given an immediate, sustained upward shock of 300 basis points would be approximately 19.4%.

United had approximately $256 million in balloon and other securities with a projected yield of 2.27% and a projected average life of 4 years on June 30, 2018. This portfolio consisted primarily of Fannie Mae Delegated Underwriting and Servicing (DUS) mortgage backed securities (MBS) with a weighted average loan age (WALA) of 4.3 years and a weighted average maturity (WAM) of 4.3 years.

United had approximately $109 million in 15-year mortgage backed securities with a projected yield of 2.47% and a projected average life of 3.8 years as of June 30, 2018. This portfolio consisted of seasoned 15-year mortgage paper with a weighted average loan age (WALA) of 4.9 years and a weighted average maturity (WAM) of 10.3 years.

United had approximately $89 million in 20-year mortgage backed securities with a projected yield of 2.79% and a projected average life of 5.3 years on June 30, 2018. This portfolio consisted of seasoned 20-year mortgage paper with a weighted average loan age (WALA) of 5.3 years and a weighted average maturity (WAM) of 14.3 years.

United had approximately $66 million in 30-year mortgage backed securities with a projected yield of 2.93% and a projected average life of 7.3 years on June 30, 2018. This portfolio consisted of seasoned 30-year mortgage paper and Home Equity Conversion Mortgages with a weighted average loan age (WALA) of 2.5 years and a weighted average maturity (WAM) of 27.8 years.

The remaining 4% of the mortgage related securities portfolio at June 30, 2018, included adjustable rate securities (ARMs), 10-year mortgage backed pass-through securities and other fixed rate mortgage backed securities.

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Item 4. CONTROLS AND PROCEDURES

As of June 30, 2018, 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 June 30, 2018 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 June 30, 2018, 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, 2017 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, 2017.

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

There have been no United equity securities sales during the quarter ended June 30, 2018 that were not registered. The table below includes certain information regarding United’s purchase of its common shares during the quarter ended June 30, 2018:

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)
4/01 – 4/30/2018		0	$	00.00		0		2,000,000
5/01 – 5/31/2018		270,004	$	36.65		270,000		1,730,000
6/01 – 6/30/2018		692,500	$	37.09		692,500		1,037,500
Total		962,504	$	36.97		962,500

(1) Includes shares exchanged in connection with the exercise of stock options and the vesting of restricted shares under United’s long-term incentive plans. Shares are purchased or vested pursuant to the terms of the applicable plan and not pursuant to a publicly announced stock repurchase plan. No shares were exchanged by participants in United’s long-term incentive plans for the quarter ended June 30, 2018.

(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 June 30, 2018, the following shares were purchased for the deferred compensation plan: May 2018 – 4 shares at an average price of $35.65.

(3) In August of 2017, United’s Board of Directors approved a repurchase plan to repurchase up to 2 million shares of United’s common stock on the open market (the 2017 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.

85

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

Index to exhibits required by Item 601 of Regulation S-K

Exhibit No.	Description
2.1	Agreement and Plan of Reorganization by and among United Bankshares, UBV Holding Company, LLC and Cardinal Financial Corporation (incorporated into this filing by reference to Exhibit 2.1 to the Form 8-K dated August 17, 2016 and filed August 18, 2016 for United Bankshares, Inc., File No. 0-13322)
3.1	Articles of Incorporation (incorporated into this filing by reference to a Quarterly Report on Form 10-Q dated March 31, 2017 and filed May 9, 2017 for United Bankshares, Inc., File No.0-13322)
3.2	Bylaws (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)
31.1	Certification as Adopted Pursuant to Section 302(a) of the Sarbanes-Oxley Act of 2002 by Chief Executive Officer (filed herewith)
31.2	Certification as Adopted Pursuant to Section 302(a) of the Sarbanes-Oxley Act of 2002 by Chief Financial Officer (filed herewith)
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 (furnished herewith)
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 (furnished herewith)
101	Interactive data file (XBRL) (filed herewith)

86

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:	August 8, 2018	/s/ Richard M. Adams
		Richard M. Adams, Chairman of the Board and Chief Executive Officer
Date:	August 8, 2018	/s/ W. Mark Tatterson
		W. Mark Tatterson, Executive Vice President and Chief Financial Officer

87

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Richard M. Adams, 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:	August 8, 2018	/s/ Richard M. Adams
		Richard M. Adams, Chairman of the
		Board and Chief Executive Officer

88

EX-31.2

Exhibit 31.2

CERTIFICATION

I, W. Mark Tatterson, 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:	August 8, 2018	/s/ W. Mark Tatterson
		W. Mark Tatterson, Executive
		Vice President and Chief Financial
		Officer

89

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 June 30, 2018 (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:	August 8, 2018	/s/ Richard M. Adams
		Name: Richard M. Adams
		Title: Chief Executive Officer

90

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 June 30, 2018 (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:	August 8, 2018	/s/ W. Mark Tatterson
		Name: W. Mark Tatterson
		Title: Chief Financial Officer

91

XML

Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2018	Jul. 31, 2018
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q2
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		103,821,168

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Assets
Cash and due from banks	$ 230,965	$ 196,742
Interest-bearing deposits with other banks	861,166	1,468,636
Federal funds sold	795	789
Total cash and cash equivalents	1,092,926	1,666,167
Securities available for sale at estimated fair value (amortized cost-$2,103,362 at June 30, 2018 and $1,900,684 at December 31, 2017)	2,060,927	1,888,756
Securities held to maturity (estimated fair value-$19,708 at June 30, 2018 and $20,018 at December 31, 2017)	20,378	20,428
Equity securities at estimated fair value	9,664	0
Other investment securities	175,334	162,461
Loans held for sale (at fair value-$282,439 at June 30, 2018 and $263,308 at December 31, 2017)	285,194	265,955
Loans	13,529,008	13,027,337
Less: Unearned income	(12,379)	(15,916)
Loans net of unearned income	13,516,629	13,011,421
Less: Allowance for loan losses	(77,135)	(76,627)
Net loans	13,439,494	12,934,794
Bank premises and equipment	100,260	104,894
Goodwill	1,478,014	1,478,380
Accrued interest receivable	57,270	52,815
Other assets	488,142	484,309
TOTAL ASSETS	19,207,603	19,058,959
Deposits:
Noninterest-bearing	4,331,840	4,294,687
Interest-bearing	9,498,926	9,535,904
Total deposits	13,830,766	13,830,591
Borrowings:
Federal funds purchased	14,000	16,235
Securities sold under agreements to repurchase	185,507	311,352
Federal Home Loan Bank borrowings	1,560,365	1,271,531
Other long-term borrowings	234,276	242,446
Reserve for lending-related commitments	927	679
Accrued expenses and other liabilities	139,197	145,595
TOTAL LIABILITIES	15,965,038	15,818,429
Shareholders' Equity
Preferred stock, $1.00 par value; Authorized-50,000,000 shares, none issued	0	0
Common stock, $2.50 par value; Authorized-200,000,000 shares; issued-105,208,914 and 105,069,821 at June 30, 2018 and December 31, 2017, respectively, including 1,005,372 and 29,173 shares in treasury at June 30, 2018 and December 31, 2017, respectively	263,022	262,675
Surplus	2,131,697	2,129,077
Retained earnings	954,953	891,816
Accumulated other comprehensive loss	(70,001)	(42,025)
Treasury stock, at cost	(37,106)	(1,013)
TOTAL SHAREHOLDERS' EQUITY	3,242,565	3,240,530
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 19,207,603	$ 19,058,959

XML

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Securities available for sale, amortized cost	$ 2,103,362	$ 1,900,684
Securities held to maturity	19,708	20,018
Loans held for sale at fair value	$ 282,439	$ 263,308
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	200,000,000	200,000,000
Common stock, shares issued	105,208,914	105,069,821
Common stock, shares in treasury	1,005,372	29,173

XML

Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Interest income
Interest and fees on loans	$ 159,294	$ 140,899	$ 308,222	$ 249,841
Interest on federal funds sold and other short-term investments	3,465	3,785	8,382	6,471
Interest and dividends on securities:
Taxable	13,810	8,809	25,685	16,820
Tax-exempt	1,431	1,454	2,896	2,573
Total interest income	178,000	154,947	345,185	275,705
Interest expense
Interest on deposits	19,076	12,586	34,733	21,054
Interest on short-term borrowings	464	415	885	719
Interest on long-term borrowings	9,338	5,701	16,402	10,067
Total interest expense	28,878	18,702	52,020	31,840
Net interest income	149,122	136,245	293,165	243,865
Provision for loan losses	6,204	8,251	11,382	14,150
Net interest income after provision for loan losses	142,918	127,994	281,783	229,715
Other income
Fees from brokerage services	1,953	1,882	4,177	3,738
Income from bank-owned life insurance	1,271	1,258	2,525	2,475
Net investment securities (losses) gains	(55)	747	(540)	4,687
Other income	544	954	987	1,315
Total other income	36,007	40,506	67,199	60,652
Other expense
Employee compensation	43,120	56,030	83,956	80,063
Employee benefits	9,298	9,760	18,869	16,663
Net occupancy expense	9,076	13,913	18,503	20,697
Other real estate owned (OREO) expense	556	524	1,502	1,938
Equipment expense	3,279	2,471	6,436	4,436
Data processing expense	5,817	5,331	11,667	9,374
Bankcard processing expense	480	442	946	907
FDIC insurance expense	2,842	1,771	4,690	3,522
Other expense	18,942	21,895	37,293	37,379
Total other expense	93,410	112,137	183,862	174,979
Income before income taxes	85,515	56,363	165,120	115,388
Income taxes	19,241	19,304	37,140	39,520
Net income	$ 66,274	$ 37,059	$ 127,980	$ 75,868
Earnings per common share:
Basic	$ 0.63	$ 0.37	$ 1.22	$ 0.84
Diluted	0.63	0.37	1.22	0.84
Dividends per common share	$ 0.34	$ 0.33	$ 0.68	$ 0.66
Average outstanding shares:
Basic	104,682,910	99,197,807	104,770,681	90,100,627
Diluted	104,952,788	99,620,045	105,058,014	90,570,289
Fees from Trust Services [Member]
Other income
Revenue from contract	$ 3,104	$ 2,863	$ 6,195	$ 5,893
Fees from Deposit Services [Member]
Other income
Revenue from contract	8,420	8,528	16,650	16,234
Bankcard Fees and Merchant Discounts [Member]
Other income
Revenue from contract	1,479	1,216	2,835	2,100
Other Service Charges, Commissions, and Fees [Member]
Other income
Revenue from contract	599	521	1,108	998
Mortgage Banking [Member]
Other income
Revenue from contract	$ 18,692	$ 22,537	$ 33,262	$ 23,212

XML

Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 66,274	$ 37,059	$ 127,980	$ 75,868
Change in net unrealized gain (loss) on available-for-sale (AFS) securities, net of tax	(6,501)	3,101	(23,274)	6,479
Accretion of the net unrealized loss on the transfer of AFS securities to held-to-maturity (HTM) securities, net of tax	1	1	2	2
Change in pension plan assets, net of tax	1,052	695	1,785	1,390
Comprehensive income, net of tax	$ 60,826	$ 40,856	$ 106,493	$ 83,739

XML

Consolidated Statement of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]
Beginning Balance at Dec. 31, 2017	$ 3,240,530	$ 262,675	$ 2,129,077	$ 891,816	$ (42,025)	$ (1,013)
Beginning Balance, shares at Dec. 31, 2017		105,069,821
Comprehensive income:
Net income	127,980	$ 0	0	127,980	0	0
Other comprehensive income, net of tax	(21,487)	0	0	0	(21,487)	0
Total comprehensive income, net of tax	106,493
Stock based compensation expense	1,992	0	1,992	0	0	0
Purchase of treasury stock	(35,984)	0	0	0	0	(35,984)
Cash dividends	(71,332)			(71,332)	0	0
Grant of restricted stock	0	$ 243	(243)	0	0	0
Grant of restricted stock, shares		97,004
Forfeiture of restricted stock	0	$ 0	109	0	0	(109)
Common stock options exercised	$ 866	$ 104	762	0	0	0
Common stock options exercised, shares	42,089	42,089
Ending Balance at Jun. 30, 2018	$ 3,242,565	$ 263,022	2,131,697	954,953	(70,001)	(37,106)
Ending Balance, shares at Jun. 30, 2018		105,208,914
Comprehensive income:
Net income	66,274
Other comprehensive income, net of tax	(5,448)
Total comprehensive income, net of tax	60,826
Ending Balance at Jun. 30, 2018	3,242,565	$ 263,022	$ 2,131,697	954,953	(70,001)	$ (37,106)
Ending Balance, shares at Jun. 30, 2018		105,208,914
Cumulative effect of adopting Accounting Standard Update 2016-01	0			136	(136)
Reclass due to adopting Accounting Standard Update 2018-02	$ 0			$ 6,353	$ (6,353)

XML

Consolidated Statement of Changes in Shareholders' Equity (Unaudited) (Parenthetical)	6 Months Ended
	Jun. 30, 2018 $ / shares shares
Cash dividends per share | $ / shares	$ 0.68
Common stock options exercised, shares	42,089
Common Stock [Member]
Purchase of treasury stock, shares	973,346
Grant of restricted stock, shares	97,004
Forfeiture of restricted stock, shares	2,853
Common stock options exercised, shares	42,089
Retained Earnings [Member]
Cash dividends per share | $ / shares	$ 0.68
Treasury Stock [Member]
Purchase of treasury stock, shares	973,346

XML

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Statement of Cash Flows [Abstract]
NET CASH PROVIDED BY OPERATING ACTIVITIES	$ 98,498	$ 35,919
INVESTING ACTIVITIES
Proceeds from maturities and calls of securities held to maturity	2	12,888
Proceeds from sales of securities available for sale	53,179	234,816
Proceeds from maturities and calls of securities available for sale	124,894	332,488
Purchases of securities available for sale	(391,186)	(524,561)
Proceeds from sales of equity securities	1,826	0
Purchases of equity securities	(380)	0
Proceeds from sales and redemptions of other investment securities	15,606	9,272
Purchases of other investment securities	(33,279)	(43,337)
Purchases of bank premises and equipment	(2,159)	(2,798)
Proceeds from sales of bank premises and equipment	2,123	13
Proceeds from the sales of OREO properties	4,658	3,835
Acquisition of subsidiaries, net of cash paid	0	44,531
Net change in loans	(493,787)	112,150
NET CASH (USED IN) PROVIDED BY INVESTING ACTIVITIES	(718,503)	179,297
FINANCING ACTIVITIES
Cash dividends paid	(71,461)	(52,092)
Acquisition of treasury stock	(35,984)	(1)
Proceeds from exercise of stock options	851	2,546
Repayment of long-term Federal Home Loan Bank borrowings	(625,000)	(825,191)
Proceeds from issuance of long-term Federal Home Loan Bank borrowings	1,115,000	845,000
Repayment of trust preferred issuance	(9,374)	0
Changes in:
Deposits	812	(174,557)
Federal funds purchased, securities sold under agreements to repurchase and other short-term borrowings	(328,080)	(34,444)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	46,764	(238,739)
Decrease in cash and cash equivalents	(573,241)	(23,523)
Cash and cash equivalents at beginning of year	1,666,167	1,434,527
Cash and cash equivalents at end of period	1,092,926	1,411,004
Noncash investing activities:
Transfers of loans to OREO	$ 527	$ 1,951

XML

Summary of Significant Accounting Policies

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

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 June 30, 2018 and 2017 and for the three-month and six-month periods then ended have not been audited. The consolidated balance sheet as of December 31, 2017 has been extracted from the audited financial statements included in United’s 2017 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 2017 Annual Report of United on Form 10-K. To conform to the 2018 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 operates in two business segments: community banking and mortgage banking. All significant intercompany accounts and transactions have been eliminated in the consolidated financial statements. Information is presented in these notes to the unaudited consolidated interim financial statements with dollars expressed in thousands, except per share or unless otherwise noted.

New Accounting Standards

In June 2018, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) No. 2018-07 “Compensation-Stock Compensation (Topic 718):Improvements to Nonemployee Share-Based Payment Accounting.” This update has been issued as part of a simplification initiative which will expand the scope of Topic 718 to include share-based payment transactions for acquiring goods and services from non-employees and expands the scope through the amendments to address and improve aspects of the accounting for non-employee share-based payment transactions. Consequently, the accounting for share-based payments to nonemployees and employees will be substantially aligned. ASU No. 2018-07 is effective for public companies for fiscal years, and interim fiscal periods within those fiscal years, beginning after December 15, 2018; early adoption is permitted. ASU No. 2018-07 is not expected to have a material impact on the Company’s financial condition or results of operations.

In February 2018, the FASB issued ASU No. 2018-03, “Technical Corrections and Improvements to Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities.” ASU 2018-03 clarifies that entities that use the measurement alternative for equity securities without readily determinable fair values can change its measurement approach to fair value. This election is irrevocable and will apply to all future purchases of identical or similar investments of the same issuer. The amended guidance also clarifies that adjustments made under the measurement alternative should reflect the fair value of the security as of the date that an observable transaction took place rather than the current reporting date. Entities will use the prospective transition approach only for securities they elect to measure using the measurement alternative. ASU No. 2018-03 is effective for interim and annual reporting periods beginning after December 15, 2017; early adoption is permitted. ASU No. 2018-03 did not have a material impact on the Company’s financial condition or results of operations.

In February 2018, the FASB issued ASU No. 2018-02, “Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income,” to help organizations address certain stranded income tax effects in accumulated other comprehensive income (AOCI) resulting from the Tax Cuts and Jobs Act (the “Tax Act”). This ASU provides financial statement preparers with an option to reclassify stranded tax effects within AOCI to retained earnings in each period in which the effect of the change in the U.S. federal corporate income tax rate in the Tax Act (or portion thereof) is recorded. The amendments are effective for all organizations for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is permitted. Organizations should apply the proposed amendments either in the period of adoption or retrospectively to each period (or periods) in which the effect of the change in the U.S. federal corporate income tax rate in the Tax Act is recognized. United adopted ASU No. 2018-02 in the first quarter of 2018 and reclassified $6,353 of stranded income tax effected amounts in AOCI to retained earnings.

In August 2017, the FASB issued ASU No. 2017-12, “Targeting Improvement to Accounting for Hedging Activities.” This ASU amends ASC 815 and its objectives are to improve the transparency and understandability of information conveyed to financial statement users about an entity’s risk management activities by better aligning the entity’s financial reporting for hedging relationships with those risk management activities and reduce the complexity and simplify the application of hedge accounting by preparers. ASU No. 2017-12 is effective for interim and annual reporting periods beginning after December 15, 2018; early adoption is permitted. ASU No. 2017-12 is not expected to have a material impact on the Company’s financial condition or results of operations.

In July 2017, the FASB issued ASU No. 2017-11, “Part I, Accounting for Certain Financial Instruments with Down Round Features and Part II, Replacement of the Indefinite Deferral for Mandatorily Redeemable Financial Instruments of Certain Nonpublic Entities and Certain Mandatorily Redeemable Noncontrolling interests with a Scope Exception.” Part I of this ASU simplifies the accounting for financial instruments that include down round features while the amendments in Part II, which do not have an accounting effect, address the difficulty of navigating the guidance in ASC 480, “Distinguishing Liabilities from Equity”, due to the existence of extensive pending content in the Codification. ASU No. 2017-11 is effective for interim and annual reporting periods beginning after December 15, 2018. ASU No. 2017-11 is not expected to have a material impact on the Company’s financial condition or results of operations.

In May 2017, the FASB issued ASU No. 2017-09, “Stock Compensation, Scope of Modification Accounting.” This ASU clarifies when changes to the terms of conditions of a share-based payment award must be accounted for as modifications. Companies will apply the modification accounting guidance if the value, vesting conditions or classification of the award changes. The new guidance should reduce diversity in practice and result in fewer changes to the terms of an award being accounted for as modifications, as the guidance will allow companies to make certain non-substantive changes to awards without accounting for them as modifications. It does not change the accounting for modifications. ASU No. 2017-09 is effective for interim and annual reporting periods beginning after December 15, 2017; early adoption is permitted. ASU No. 2017-09 did not have a material impact on the Company’s financial condition or results of operations.

In March 2017, the FASB issued ASU No. 2017-07, “Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost.” ASU No. 2017-07 amends ASC 715, “Compensation - Retirement Benefits” and will change how employers that sponsor defined benefit pension and/or other postretirement benefit plans present the net periodic benefit cost in the income statement. Employers will present the service cost component of net periodic benefit cost in the same income statement line item as other employee compensation costs arising from services rendered during the period. Only the service cost component will be eligible for capitalization in assets. Employers will present the other components of the net periodic benefit cost separately from the line item that includes the service cost and outside of any subtotal of operating income, if one is presented. These components will not be eligible for capitalization in assets. ASU No. 2017-07 was effective for United on January 1, 2018. The adoption of ASU No. 2017-07 had a slight change in presentation but did not materially impact the Company’s financial condition or results of operations. United used amounts previously disclosed in its Employee Benefits Plan footnote (Note 14) to retrospectively adjust prior period amounts of employee compensation and employee benefits within United’s Consolidated Statements of Income.

In January 2017, the FASB issued ASU No. 2017-04, “Intangibles – Goodwill and Other (Topic 350).” ASU No. 2017-04 eliminates the requirement to calculate the implied fair value of goodwill to measure a goodwill impairment charge. Instead, entities will record an impairment charge based on the excess of a reporting unit’s carrying amount over its fair value. ASU No. 2017-04 is effective for United on January 1, 2020, with early adoption permitted, and management is currently evaluating the possible impact this standard may have on the Company’s financial condition or results of operations.

In January 2017, the FASB issued ASU No. 2017-01, “Business Combinations (Topic 805): Clarifying the Definition of a Business.” ASU No. 2017-01 changes the definition of a business to assist entities with evaluation when a set of transferred assets and activities is a business. The guidance requires an entity to evaluate if substantially all of the fair value of the gross assets acquired is concentrated in a single identifiable asset or a group of similar identifiable assets. The guidance also requires a business to include at least one substantive process and narrows the definition of outputs by more closely aligning it with how outputs are described in ASC 606. ASU No. 2017-01 was effective for United on January 1, 2018 and did not have a material impact on the Company’s financial condition or results of operations.

In August 2016, the FASB issued ASU No. 2016-15, “Classification of Certain Cash Receipts and Cash Payments.” ASU No. 2016-15 amends ASC Topic 230 to add and clarify guidance on the classification of certain cash receipts and payments in the statement of cash flows as a result of diversity in practice and in certain circumstances, financial statement restatements. Entities should apply ASU No. 2016-15 using a retrospective transition method to each period presented. ASU No. 2016-15 was effective for United on January 1, 2018 and did not have a material impact on the Company’s financial condition or results of operations.

In June 2016, the FASB issued ASU No. 2016-13, “Financial Instruments – Credit Losses.” ASU No. 2016-13 changes the impairment model for most financial assets and certain other instruments that aren’t measured at fair value through net income. The standard will replace today’s “incurred loss” approach with an “expected loss” model for instruments measured at amortized cost and require entities to record allowances for available-for-sale debt securities rather than reduce the carrying amount under the current other-than-temporary impairment (OTTI) model. ASU No. 2016-13 also simplifies the accounting model for purchased credit-impaired debt securities and loans. Entities will apply the standard’s provisions as a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is effective. ASU No. 2016-13 is effective for United on January 1, 2020, with early adoption permitted, and management is currently evaluating the possible impact this standard may have on the Company’s financial condition or results of operations.

In March 2016, the FASB issued ASU No. 2016-09, “Compensation-Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting.” ASU No. 2016-09 will change certain aspects of accounting for share-based payments to employees. The new guidance will, amongst other things, require all income tax effects of awards to be recognized in the income statement when the awards vest or are settled. The requirement to report those income tax effects in earnings was applied to settlements occurring on or after January 1, 2017 and the impact of applying that guidance reduced reporting income tax expense by $1,048 for the year of 2017. ASU No. 2016-09 also allows an employer to repurchase more of an employee’s shares than it could previously for tax withholding purposes without triggering liability accounting and make a policy election to account for forfeitures as they occur. The Company will continue to estimate the number of awards expected to be forfeited and adjust the estimate when it is no longer probable that the employee will fulfill the service condition, as was previously required. ASU No. 2016-09 also requires that all income tax-related cash flows resulting from share-based payments be reported as operating activities in the statement of cash flows. Previously, income tax benefits at settlement of an award were reported as a reduction to operating cash flows and an increase to financing cash flows to the extent that those benefits exceeded the income tax benefits reported in earnings during the award’s vesting period. The adoption of ASU No. 2016-09 did not have a material impact on the Company’s financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-02, “Leases (Topic 842)”. ASU No. 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 No. 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, which has not yet been quantified, with 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 No. 2016-02 is effective for United on January 1, 2019. The Company is currently assessing the impact of the adoption of ASU No. 2016-02 on the Company’s results of operations, financial position and cash flows. The Company has evaluated and plans to elect the practical expedients, which would allow for existing leases to be accounted for consistent with current guidance, with the exception of the balance sheet recognition for lessees. The election of these practical expedients will simplify the accounting for leases and the implementation of ASU No. 2016-02. As a lessee, United had $69,844 in total future minimum lease payments for operating leases as of December 31, 2017. However, the population of contracts requiring balance sheet recognition and their initial measurement continues to be under evaluation. To assist in determining this information as well as the additional requirements of the new standard, the Company has evaluated and selected a third-party lease accounting software solution as part of its implementation strategy. The Company is also documenting the new lease accounting process and has drafted internal controls over financial reporting as part of the implementation process.

In January 2016, the FASB issued ASU No. 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 No. 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 No. 2016-01 was adopted by United on January 1, 2018 and did not have a significant impact on the Company’s financial condition or results of operations.

In May 2014, the FASB issued ASU No. 2014-09, “Revenue from Contracts with Customers (Topic 606).” ASU No. 2014-09 supersedes the revenue recognition requirements in ASC Topic 605, “Revenue Recognition”, and most industry-specific guidance throughout the ASC. 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. For United, revenue is comprised of net interest income and noninterest income. As the standard does not apply to revenue associated with financial instruments, net interest income, gains and losses from securities, income from bank-owned life insurance (BOLI) and income from mortgage banking activities are not impacted by the standard. Based on a review and evaluation of a number of revenue contracts, United’s management determined that ASU No. 2014-09 impacts certain recurring revenue streams related to noninterest income such as fees from trust and brokerage services. However, based on an assessment of these revenue streams under the standard, management concluded that ASU No. 2014-09 does not have a material impact on the Company’s financial condition or results of operations. In addition, in the Company’s evaluation of the nature of its contracts with customers, United has determined that further disaggregation of revenue from contracts with customers into more granular categories beyond those presented in the Consolidated Statements of Income was not necessary. ASU No. 2014-09 was adopted by United on January 1, 2018 using the modified-retrospective transition method. No cumulative effect adjustment was made to the opening balance of retained earnings because the amount was considered immaterial. The impact of ASU No. 2014-09 for the first six months of 2018 was also immaterial to United’s consolidated financial position, results of operations, shareholders’ equity, cash flows and disclosures.

Descriptions of our revenue-generating activities that are within the scope of ASC Topic 606, which are presented in our Consolidated Statements of Income as components of Other Income are discussed below. There are no significant judgements relating to the amount and timing of revenue recognition for those revenue streams under the scope of ASC Topic 606.

Fees from Trust Services

Revenue from trust services primarily is comprised of fees earned from the management and administration of trusts and other customer assets. Trust services include custody of assets, investment management, escrow services, and similar fiduciary activities. The Company’s performance obligation is generally satisfied over time and the resulting fees are recognized monthly, based upon the month-end market value of the assets under management and the applicable fee rate. Payment is generally received a few days after month end through a direct charge to customers’ accounts.

Fees from Brokerage Services

Revenue from brokerage services are recorded as the income is earned at the time the related service is performed. In return for such services, the Company charges a commission for the sales of various securities products primarily consisting of investment company shares, annuity products, and corporate debt and equity securities, for its selling and administrative efforts. For account supervision, advisory and administrative services, revenue is recognized over a period of time as earned based on customer account balances and activity.

Fees from Deposit Services

Service charges on deposit accounts consist of account analysis fees (i.e., net fees earned on analyzed business and public checking accounts), monthly service fees, check orders, ATM activity fees, debit card fees, and other deposit account related fees. Revenue is recognized when our performance obligation is completed which is generally monthly for account maintenance services or when a transaction has been completed (ATM or debit card activity).

Bankcard Fees and Merchant Discounts

Bankcard fees and merchant discounts are primarily comprised of credit card income and merchant services income. Credit card income is primarily comprised of interchange fees earned whenever the Company’s credit cards are processed through card payment networks such as Visa. Merchant services income mainly represents fees charged to merchants to process their credit card transactions. The Company’s performance obligation for bankcard fees and exchange are largely satisfied, and related revenue recognized at the time services are rendered. Payment is typically received immediately or in the following month.

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Mergers and Acquisitions

6 Months Ended

Jun. 30, 2018

Business Combinations [Abstract]

Mergers and Acquisitions

2. MERGERS AND ACQUISITIONS

Cardinal Financial Corporation

On April 21, 2017 (Cardinal Acquisition Date), United acquired 100% of the outstanding common stock of Cardinal Financial Corporation (Cardinal), headquartered in Tysons Corner, Virginia. The acquisition of Cardinal expands United’s existing footprint in the Washington, D.C. Metropolitan Statistical Area. At consummation, Cardinal had assets of $4,136,008, loans of $3,313,033 and deposits of $3,344,740. Cardinal also operated George Mason Mortgage, LLC (George Mason), a residential mortgage lending company based in Fairfax, Virginia with offices located in Virginia, Maryland, North Carolina, South Carolina and the District of Columbia. As a result of the merger, George Mason became an indirectly-owned subsidiary of United.

The merger was accounted for under the acquisition method of accounting. The results of operations of Cardinal are included in the consolidated results of operations from the Cardinal Acquisition Date.

The aggregate purchase price was approximately $975,254, including common stock valued at $972,499, stock options assumed valued at $2,741, and cash paid for fractional shares of $14. The number of shares issued in the transaction was 23,690,589, which were valued based on the closing market price of $41.05 for United’s common shares on April 21, 2017. The purchase price has been allocated to the identifiable tangible and intangible assets resulting in additions to goodwill, core deposit intangibles and the George Mason trade name intangible of $612,920, $28,724 and $1,080, respectively. The core deposit intangibles are being amortized over ten years. The George Mason trade name provides a source of market recognition to attract potential clients and retain existing relationships. United believes the George Mason trade name provides a competitive advantage and is likely going to be used into perpetuity and thus will not be subject to amortization, but rather be evaluated for impairment.

Because the consideration paid was greater than the net fair value of the acquired assets and liabilities, the Company recorded goodwill as part of the acquisition. None of the goodwill from the Cardinal acquisition is deductible for tax purposes. United used an independent third party to help determine the fair values of the assets and liabilities acquired from Cardinal. As a result of the merger, United recorded fair value discounts of $144,434 on the loans acquired, $2,281 on leases and $8,738 on trust preferred issuances, respectively, and premiums of $4,408 on land acquired, $5,072 on interest-bearing deposits and $10,740 on long-term FHLB advances, respectively. The remaining discount and premium amounts are being accreted or amortized on an accelerated or straight-line basis over each asset’s or liability’s estimated remaining life at the time of acquisition except for loans and land. The discount on loans will be accreted into income based on the effective yield method. The premium on land will not be amortized. At June 30, 2018, the discounts on leases and trust preferred issuances had an average estimated remaining life of 5.25 years and 16.22 years, respectively, and the premiums on the interest-bearing deposits and the FHLB advances each had an average estimated remaining life of 4.25 years and 4.06 years, respectively. United assumed approximately $1,825 of liabilities to provide severance benefits to terminated employees of Cardinal, which has no remaining balance as of June 30, 2018. The estimated fair values of the acquired assets and assumed liabilities, including identifiable intangible assets and goodwill are considered final as of June 30, 2018.

In many cases, determining the estimated fair value of the acquired assets and assumed liabilities required United to estimate cash flows expected to result from those assets and liabilities and to discount those cash flows at appropriate rates of interest. The most significant of those determinations related to the fair value of acquired loans. The fair value of the acquired loans was based on the present value of the expected cash flows. Periodic principal and interest cash flows were adjusted for expected losses and prepayments, then discounted to determine the present value and summed to arrive at the estimated fair value. For such loans, the excess of cash flows expected at acquisition over the estimated fair value is recognized as interest income over the remaining lives of the loans. The difference between contractually required payments at acquisition and the cash flows expected to be collected at acquisition reflects the impact of estimated credit losses and other factors, such as prepayments. In accordance with GAAP, there was no carry-over of Cardinal’s previously established allowance for loan losses.

The acquired loans were 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. Subsequent decreases in the expected cash flows require United to evaluate the need for additions to the Company’s allowance for credit losses. Subsequent improvements in expected cash flows generally result in the recognition of additional interest income over the then remaining lives of the loans.

In conjunction with the Cardinal merger, the acquired loan portfolio was accounted for at fair value as follows:

	April 21, 2017
Contractually required principal and interest at acquisition	$	4,211,734
Contractual cash flows not expected to be collected		(56,176	)
Expected cash flows at acquisition		4,155,558
Interest component of expected cash flows		(986,959	)
Basis in acquired loans at acquisition – estimated fair value	$	3,168,599

Included in the above table is information related to acquired impaired loans. Specifically, contractually required principal and interest, cash flows expected to be collected and estimated fair value of acquired impaired loans were $132,837, $108,275, and $86,696, respectively.

The consideration paid for Cardinal’s common equity and the amounts of acquired identifiable assets and liabilities assumed as of the Cardinal Acquisition Date were as follows:

Purchase price:
Value of common shares issued (23,690,589 shares)	$	972,499
Fair value of stock options assumed		2,741
Cash for fractional shares		14
Total purchase price		975,254
Identifiable assets:
Cash and cash equivalents		44,545
Investment securities		395,829
Loans held for sale		271,301
Loans		3,168,599
Premises and equipment		24,774
Core deposit intangibles		28,724
George Mason trade name intangible		1,080
Other assets		135,383
Total identifiable assets	$	4,070,235
Identifiable liabilities:
Deposits	$	3,349,812
Short-term borrowings		96,215
Long-term borrowings		220,119
Unfavorable lease liability		2,281
Other liabilities		39,474
Total identifiable liabilities		3,707,901
Fair value of net assets acquired including identifiable intangible assets		362,334
Resulting goodwill	$	612,920

The operating results of United for the six months ended June 30, 2018 include operating results of acquired assets and assumed liabilities subsequent to the Cardinal Acquisition Date. The operations of United’s metropolitan Washington D.C. geographic area, which primarily includes the acquired operations of Cardinal, provided $431,463 in total revenues, which represents net interest income plus other income, and $212,834 in net income from the period from the Cardinal Acquisition Date to June 30, 2018. These amounts are included in United’s consolidated financial statements as of and for the six months ended June 30, 2018. Cardinal’s results of operations prior to the Cardinal Acquisition Date are not included in United’s consolidated financial statements.

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Investment Securities

6 Months Ended

Jun. 30, 2018

Investments, Debt and Equity Securities [Abstract]

Investment Securities

3. INVESTMENT SECURITIES

Securities Available for Sale

Securities held for indefinite periods of time 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.

	June 30, 2018
			Gross		Gross		Estimated		Cumulative
	Amortized		Unrealized		Unrealized		Fair		OTTI in
	Cost		Gains		Losses		Value		AOCI (1)
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	144,867	$	8	$	1,060	$	143,815	$	0
State and political subdivisions		276,516		897		5,233		272,180		0
Residential mortgage-backed securities
Agency		913,926		766		24,562		890,130		0
Non-agency		4,306		487		0		4,793		86
Commercial mortgage-backed securities
Agency		513,212		127		11,936		501,403		0
Asset-backed securities		166,355		342		566		166,131		0
Trust preferred collateralized debt obligations		6,177		91		450		5,818		2,586
Single issue trust preferred securities		8,742		234		738		8,238		0
Other corporate securities		69,261		174		1,016		68,419		0
Total	$	2,103,362	$	3,126	$	45,561	$	2,060,927	$	2,672
	December 31, 2017
			Gross		Gross		Estimated		Cumulative
	Amortized		Unrealized		Unrealized		Fair		OTTI in
	Cost		Gains		Losses		Value		AOCI (1)
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	114,735	$	385	$	362	$	114,758	$	0
State and political subdivisions		303,101		3,197		2,429		303,869		0
Residential mortgage-backed securities
Agency		821,857		2,096		9,360		814,593		0
Non-agency		4,969		543		0		5,512		86
Commercial mortgage-backed securities
Agency		457,107		1,059		3,309		454,857		0
Asset-backed securities		109,829		148		7		109,970		0
Trust preferred collateralized debt obligations		37,856		542		4,129		34,269		20,770
Single issue trust preferred securities		13,417		368		1,225		12,560		0
Other corporate securities		28,101		407		18		28,490		0
Marketable equity securities		9,712		179		13		9,878		0
Total	$	1,900,684	$	8,924	$	20,852	$	1,888,756	$	20,856

(1) Non-credit related 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 June 30, 2018 and December 31, 2017.

	Less than 12 months				12 months or longer
	Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses
June 30, 2018
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	116,482	$	964	$	22,771	$	97
State and political subdivisions		137,435		1,710		57,150		3,524
Residential mortgage-backed securities
Agency		664,630		16,051		190,576		8,511
Non-agency		0		0		0		0
Commercial mortgage-backed securities
Agency		415,526		10,289		69,225		1,647
Asset-backed securities		75,437		566		0		0
Trust preferred collateralized debt obligations		0		0		2,050		450
Single issue trust preferred securities		0		0		4,980		737
Other corporate securities		51,304		1,015		0		0
Total	$	1,460,814	$	30,595	$	346,752	$	14,966
	Less than 12 months				12 months or longer
	Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses
December 31, 2017
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	36,678	$	230	$	22,920	$	132
State and political subdivisions		82,896		566		59,432		1,863
Residential mortgage-backed securities
Agency		460,414		4,621		182,482		4,739
Non-agency		0		0		0		0
Commercial mortgage-backed securities
Agency		282,858		2,386		70,763		923
Asset-backed securities		27,931		7		0		0
Trust preferred collateralized debt obligations		0		0		28,629		4,129
Single issue trust preferred securities		0		0		4,485		1,225
Other corporate securities		6,975		18		0		0
Marketable equity securities		0		0		363		13
Total	$	897,752	$	7,828	$	369,074	$	13,024

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 June  30				Six Months Ended June  30
	2018		2017		2018		2017
Proceeds from sales and calls	$	75,157	$	468,506	$	174,860	$	567,304
Gross realized gains		58		845		1,221		1,059
Gross realized losses		85		82		1,397		82

At June 30, 2018, gross unrealized losses on available for sale securities were $45,561 on 668 securities of a total portfolio of 858 available for sale securities. Securities in an unrealized loss position at June 30, 2018 consisted primarily of state and political subdivision securities, and agency commercial and residential mortgage-backed securities. The state and political subdivisions securities relate to securities issued by various municipalities. The agency commercial and residential mortgage-backed securities relate to commercial and residential properties and provide a guaranty of full and timely payments of principal and interest by the issuing agency.

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.

State and political subdivisions

United’s state and political subdivisions portfolio relates to securities issued by various municipalities located throughout the United States. The total amortized cost of available for sale state and political subdivision securities was $276,516 at June 30, 2018. As of June 30, 2018, approximately 75% of the portfolio was supported by the general obligation of the issuing municipality, which allows for the securities to be repaid by any means available to the municipality. The majority of the portfolio was rated AA or higher, and less than one percent of the portfolio was rated below investment grade as of June 30, 2018. In addition to monitoring the credit ratings of these securities, management also evaluates the financial performance of the underlying issuers on an ongoing basis. Based upon management’s analysis and judgment, it was determined that none of the state and political subdivision securities were other-than-temporarily impaired at June 30, 2018.

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 $1,427,138 at June 30, 2018. Of the $1,427,138 amount, $513,212 was related to agency commercial mortgage-backed securities and $913,926 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 June 30, 2018.

Non-agency residential mortgage-backed securities

United’s non-agency residential mortgage-backed securities portfolio relates to securities of various private label issuers. The total amortized cost of available for sale non-agency residential mortgage-backed securities was $4,306 at June 30, 2018. Of the $4,306 amount, $250 was rated above investment grade and $4,056 was rated below investment grade. The entire portfolio of the non-agency residential mortgage-backed securities are either the senior or super-senior tranches of their respective structure. Based upon management’s analysis and judgment, it was determined that none of the non-agency mortgage-backed securities were other-than-temporarily impaired at June 30, 2018.

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 second quarter of 2018, it was determined that none of the single issue trust preferred securities were other-than-temporarily impaired. All single issue trust preferred securities are currently receiving interest payments. The amortized cost of available for sale single issue trust preferred securities as of June 30, 2018 consisted of $3,024 in investment grade bonds and $5,718 in unrated bonds. The investment grade bonds were rated BBB-. All of the unrated bonds were in an unrealized loss position for twelve months or longer as of June 30, 2018.

Trust preferred collateralized debt obligations (Trup Cdos)

The total amortized cost balance of United’s Trup Cdo portfolio was $6,177 as of June 30, 2018. For any securities in an unrealized loss position, 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 June 30, 2018, the Company has determined that it does not intend to sell any Trup Cdo 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. 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 June 30, 2018 is other-than-temporarily impaired.

Corporate securities

As of June 30, 2018, United’s Corporate securities portfolio had a total amortized cost balance of $69,261. The majority of the portfolio consisted of debt issuances of corporations representing a variety of industries, including financial institutions. Of the $69,261, 70% was investment grade rated and 30% was unrated. For corporate 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 corporate securities were other-than-temporarily impaired at June 30, 2018.

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 June  30				Six Months Ended June  30
	2018		2017		2018			2017
Balance of cumulative credit losses at beginning of period	$	3,199	$	22,162	$	18,060		$	22,162
Reductions for securities sold or paid off during the period		0		0		(14,861	)		0
Balance of cumulative credit losses at end of period	$	3,199	$	22,162	$	3,199		$	22,162

The amortized cost and estimated fair value of securities available for sale at June 30, 2018 and December 31, 2017 by contractual maturity are shown as follows. Expected maturities may differ from contractual maturities because the issuers may have the right to call or prepay obligations without penalties.

	June 30, 2018				December 31, 2017
			Estimated				Estimated
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
Due in one year or less	$	68,381	$	68,272	$	50,311	$	50,212
Due after one year through five years		510,595		503,142		386,039		384,585
Due after five years through ten years		447,739		435,727		400,129		398,208
Due after ten years		1,076,647		1,053,786		1,054,493		1,045,873
Marketable equity securities		0		0		9,712		9,878
Total	$	2,103,362	$	2,060,927	$	1,900,684	$	1,888,756

Securities Held to Maturity

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

	June 30, 2018
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	5,132	$	181	$	0	$	5,313
State and political subdivisions		5,798		9		0		5,807
Residential mortgage-backed securities
Agency		21		3		0		24
Single issue trust preferred securities		9,407		0		863		8,544
Other corporate securities		20		0		0		20
Total	$	20,378	$	193	$	863	$	19,708
	December 31, 2017
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	5,187	$	308	$	0	$	5,495
State and political subdivisions		5,797		10		0		5,807
Residential mortgage-backed securities
Agency		23		3		0		26
Single issue trust preferred securities		9,401		0		731		8,670
Other corporate securities		20		0		0		20
Total	$	20,428	$	321	$	731	$	20,018

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 June 30, 2018, the Company’s largest held-to-maturity single-issue trust preferred exposure was to SunTrust Bank ($7,430). The two held-to-maturity single-issue trust preferred exposures with at least one rating below investment grade included SunTrust Bank ($7,430) and Royal Bank of Scotland ($976).

There were no gross realized gains or losses on calls and sales of held to maturity securities included in earnings for the second quarter and first six months of 2018 and 2017.

The amortized cost and estimated fair value of debt securities held to maturity at June 30, 2018 and December 31, 2017 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.

	June 30, 2018				December 31, 2017
			Estimated				Estimated
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
Due in one year or less	$	2,000	$	2,000	$	0	$	0
Due after one year through five years		7,290		7,478		9,344		9,660
Due after five years through ten years		8,092		7,610		5,663		5,343
Due after ten years		2,996		2,620		5,421		5,015
Total	$	20,378	$	19,708	$	20,428	$	20,018

Equity securities at fair value

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 fair value of United’s equity securities was $9,664 at June 30, 2018. Prior to the adoption of ASU No. 2016-01 on January 1, 2018, equity securities were included in available for sale securities.

	Three Months Ended June  30, 2018			Six Months Ended June  30, 2018
Net gains (losses) recognized during the period	$	(28	)	$	(64	)
Net gains (losses) recognized during the period on equity securities sold		(4	)		(2	)
Unrealized gains recognized during the period on equity securities still held at period end		11			50
Unrealized losses recognized during the period on equity securities still held at period end		35			112

Other investment securities

During the second quarter of 2018, United evaluated all of its cost method investments to determine if certain events or changes in circumstances during the second quarter of 2018 had a significant adverse effect on the fair value of any of its cost method securities. United determined that there was no individual security that experienced an adverse event during the second quarter. There were no other events or changes in circumstances during the second quarter which would have an adverse effect on the fair value of its cost method securities.

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 $1,735,336 and $1,403,565 at June 30, 2018 and December 31, 2017, respectively.

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Loans

6 Months Ended

Jun. 30, 2018

Receivables [Abstract]

Loans

4. LOANS

Major classes of loans are as follows:

	June 30, 2018		December 31, 2017
Commercial, financial and agricultural:
Owner-occupied commercial real estate	$	1,366,814	$	1,361,629
Nonowner-occupied commercial real estate		4,435,910		4,451,298
Other commercial loans		2,209,191		1,998,979
Total commercial, financial & agricultural		8,011,915		7,811,906
Residential real estate		3,300,472		2,996,171
Construction & land development		1,396,853		1,504,907
Consumer:
Bankcard		9,717		10,314
Other consumer		810,051		704,039
Total gross loans	$	13,529,008	$	13,027,337

The table above does not include loans held for sale of $285,194 and $265,955 at June 30, 2018 and December 31, 2017, 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 previously acquired impaired loans with a recorded investment of $168,497 or 1.25% of total gross loans at June 30, 2018 and $210,521 or 1.62% of total gross loans at December 31, 2017. The contractual principal in these acquired impaired loans was $221,983 and $285,964 at June 30, 2018 and December 31, 2017, 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 six months of 2018 follows:

Accretable yield at the beginning of the period	$	39,098
Accretion (including cash recoveries)		(8,371	)
Additions		0
Net reclassifications to accretable from non-accretable		9,803
Disposals (including maturities, foreclosures, and charge-offs)		(3,323	)
Accretable yield at the end of the period	$	37,207

United’s subsidiary bank has made loans to the directors and officers of United and its subsidiaries, and to their affiliates. The aggregate dollar amount of these loans was $32,506 and $36,360 at June 30, 2018 and December 31, 2017, respectively.

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Credit Quality

6 Months Ended

Jun. 30, 2018

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 June 30, 2018, United had TDRs of $60,384 as compared to $50,129 as of December 31, 2017. Of the $60,384 aggregate balance of TDRs at June 30, 2018, $46,652 was on nonaccrual, $84 were 90 days or more past due and $1,148 were 30 to 89 days past due. Of the $50,129 aggregate balance of TDRs at December 31, 2017, $30,868 was on nonaccrual, $95 were 90 days or more past due and $1,254 were 30 to 89 days past due. All these amounts are included in the appropriate categories in the “Age Analysis of Past Due Loans” table on a subsequent page. As of June 30, 2018, there were no commitments to lend additional funds to debtors owing receivables whose terms have been modified in TDRs. At June 30, 2018, United had restructured loans in the amount of $1,715 that were modified by a reduction in the interest rate, $1,859 that were modified by a combination of a reduction in the interest rate and the principal and $56,810 that were 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 unless it does not perform in accordance with its restructured contractual provisions.

The following table sets forth United’s troubled debt restructurings that have been restructured during the three months ended June 30, 2018 and 2017, segregated by class of loans:

	Troubled Debt Restructurings
	For the Three Months Ended
	June 30, 2018						June 30, 2017
	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		1	$	5,333	$	5,333
Nonowner-occupied		0		0		0		0		0		0
Other commercial		4		9,571		9,571		4		21,355		21,355
Residential real estate		2		6,953		6,953		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		6	$	16,524	$	16,524		5	$	26,688	$	26,688

The following table sets forth United’s troubled debt restructurings that have been restructured during the six months ended June 30, 2018 and 2017, segregated by class of loans:

	Troubled Debt Restructurings
	For the Six Months Ended
	June 30, 2018						June 30, 2017
	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		1	$	5,333	$	5,333
Nonowner-occupied		0		0		0		0		0		0
Other commercial		4		9,571		9,571		8		24,107		24,032
Residential real estate		2		6,953		6,953		0		0		0
Construction & land development		0		0		0		1		1,456		1,437
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		0		0		0		0		0		0
Total		6	$	16,524	$	16,524		10	$	30,896	$	30,802

During both the second quarter and first six months of 2018, $16,524 of restructured loans were modified by a change in loan terms. During the second quarter and first six months of 2017, $26,688 and $30,802, respectively, of restructured loans were modified by a change in loan 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 June 30, 2018 and 2017 subsequently defaulted, resulting in a principal charge-off during the first six months of 2018 and 2017, 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 June 30, 2018

	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	$	13,261	$	18,602	$	31,863	$	1,334,951	$	1,366,814	$	1,377
Nonowner-occupied		14,118		16,924		31,042		4,404,868		4,435,910		1,301
Other commercial		9,598		54,562		64,160		2,145,031		2,209,191		2,313
Residential real estate		37,135		28,705		65,840		3,234,632		3,300,472		9,866
Construction & land development		2,910		17,345		20,255		1,376,598		1,396,853		802
Consumer:
Bankcard		427		165		592		9,125		9,717		165
Other consumer		6,618		969		7,587		802,464		810,051		682
Total	$	84,067	$	137,272	$	221,339	$	13,307,669	$	13,529,008	$	16,506

(1) Other includes loans with a recorded investment of $168,497 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, 2017

(In thousands)	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	$	7,968	$	13,663	$	21,631	$	1,339,998	$	1,361,629	$	458
Nonowner-occupied		10,398		20,448		30,846		4,420,452		4,451,298		634
Other commercial		11,533		68,476		80,009		1,918,970		1,998,979		940
Residential real estate		35,300		28,637		63,937		2,932,234		2,996,171		6,519
Construction & land development		1,615		17,190		18,805		1,486,102		1,504,907		385
Consumer:
Bankcard		449		186		635		9,679		10,314		186
Other consumer		9,288		968		10,256		693,783		704,039		775
Total	$	76,551	$	149,568	$	226,119	$	12,801,218	$	13,027,337	$	9,897

(1) Other includes loans with a recorded investment of $210,521 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

	June  30, 2018		December 31, 2017
Commercial real estate:
Owner-occupied	$	17,225	$	13,205
Nonowner-occupied		15,623		19,814
Other commercial		52,249		67,536
Residential real estate		18,839		22,118
Construction & land development		16,543		16,805
Consumer:
Bankcard		0		0
Other consumer		287		193
Total	$	120,766	$	139,671

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 generally 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 June 30, 2018
	Commercial Real Estate				Other Commercial		Construction & Land Development
	Owner- occupied		Nonowner- occupied
Grade:
Pass	$	1,279,444	$	4,282,361	$	2,100,084	$	1,312,907
Special mention		31,737		56,404		16,523		4,402
Substandard		55,633		97,145		89,566		79,544
Doubtful		0		0		3,018		0
Total	$	1,366,814	$	4,435,910	$	2,209,191	$	1,396,853
As of December 31, 2017
	Commercial Real Estate				Other Commercial		Construction & Land Development
	Owner- occupied		Nonowner- occupied
Grade:
Pass	$	1,276,088	$	4,312,985	$	1,848,868	$	1,413,706
Special mention		20,165		57,618		55,564		5,196
Substandard		65,376		80,695		90,625		86,005
Doubtful		0		0		3,922		0
Total	$	1,361,629	$	4,451,298	$	1,998,979	$	1,504,907

Credit Quality Indicators

Consumer Credit Exposure

As of June 30, 2018
	Residential Real Estate		Bankcard		Other Consumer
Grade:
Pass	$	3,239,999	$	9,125	$	802,394
Special mention		25,077		427		6,671
Substandard		35,396		165		986
Doubtful		0		0		0
Total	$	3,300,472	$	9,717	$	810,051
As of December 31, 2017
	Residential Real Estate		Bankcard		Other Consumer
Grade:
Pass	$	2,945,266	$	9,679	$	693,727
Special mention		18,025		449		9,334
Substandard		32,880		186		978
Doubtful		0		0		0
Total	$	2,996,171	$	10,314	$	704,039

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
	June 30, 2018						December 31, 2017
	Recorded Investment		Unpaid Principal Balance		Related Allowance		Recorded Investment		Unpaid Principal Balance		Related Allowance
With no related allowance recorded:
Commercial real estate:
Owner-occupied	$	72,883	$	73,343	$	0	$	78,117	$	78,419	$	0
Nonowner-occupied		99,098		99,159		0		134,136		134,195		0
Other commercial		52,375		61,377		0		46,993		49,552		0
Residential real estate		24,315		25,078		0		26,751		28,202		0
Construction & land development		45,497		50,132		0		52,279		59,691		0
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		23		23		0		15		15		0
With an allowance recorded:
Commercial real estate:
Owner-occupied	$	4,766	$	4,766	$	978	$	9,132	$	9,132	$	2,251
Nonowner-occupied		10,463		10,463		1,693		7,797		7,797		1,592
Other commercial		44,671		50,278		14,676		60,512		70,396		16,721
Residential real estate		12,097		13,539		1,460		9,813		10,418		1,552
Construction & land development		2,001		4,654		277		1,383		1,383		229
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		0		0		0		0		0		0
Total:
Commercial real estate:
Owner-occupied	$	77,649	$	78,109	$	978	$	87,249	$	87,551	$	2,251
Nonowner-occupied		109,561		109,622		1,693		141,933		141,992		1,592
Other commercial		97,046		111,655		14,676		107,505		119,948		16,721
Residential real estate		36,412		38,617		1,460		36,564		38,620		1,552
Construction & land development		47,498		54,786		277		53,662		61,074		229
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		23		23		0		15		15		0

	Impaired Loans
	For the Three Months Ended
	June 30, 2018				June 30, 2017
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
With no related allowance recorded:
Commercial real estate:
Owner-occupied	$	74,330	$	354	$	69,670	$	412
Nonowner-occupied		108,343		159		109,003		168
Other commercial		52,384		246		58,597		226
Residential real estate		24,220		85		20,713		54
Construction & land development		46,909		98		36,182		83
Consumer:
Bankcard		0		0		0		0
Other consumer		32		0		36		0
With an allowance recorded:
Commercial real estate:
Owner-occupied	$	5,319	$	6	$	14,102	$	159
Nonowner-occupied		9,503		60		14,147		12
Other commercial		46,376		10		72,568		157
Residential real estate		11,992		11		15,485		34
Construction & land development		2,008		20		2,587		21
Consumer:
Bankcard		0		0		0		0
Other consumer		0		0		0		0
Total:
Commercial real estate:
Owner-occupied	$	79,649	$	360	$	83,772	$	571
Nonowner-occupied		117,846		219		123,150		180
Other commercial		98,760		256		131,165		383
Residential real estate		36,212		96		36,198		88
Construction & land development		48,917		118		38,769		104
Consumer:
Bankcard		0		0		0		0
Other consumer		32		0		36		0

	Impaired Loans
	For the Six Months Ended
	June 30, 2018				June 30, 2017
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
With no related allowance recorded:
Commercial real estate:
Owner-occupied	$	75,592	$	739	$	62,615	$	837
Nonowner-occupied		116,941		328		105,045		347
Other commercial		50,587		470		53,076		496
Residential real estate		25,064		180		21,468		103
Construction & land development		48,699		197		35,903		164
Consumer:
Bankcard		0		0		0		0
Other consumer		26		0		36		0
With an allowance recorded:
Commercial real estate:
Owner-occupied	$	6,590	$	31	$	9,997	$	318
Nonowner-occupied		8,934		119		15,411		87
Other commercial		51,088		28		63,783		622
Residential real estate		11,266		21		14,345		83
Construction & land development		1,800		40		3,372		42
Consumer:
Bankcard		0		0		0		0
Other consumer		0		0		0		0
Total:
Commercial real estate:
Owner-occupied	$	82,182	$	770	$	72,612	$	1,155
Nonowner-occupied		125,875		447		120,456		434
Other commercial		101,675		498		116,859		1,118
Residential real estate		36,330		201		35,813		186
Construction & land development		50,499		237		39,275		206
Consumer:
Bankcard		0		0		0		0
Other consumer		26		0		36		0

At June 30, 2018 and December 31, 2017, other real estate owned (“OREO”) included in other assets in the Consolidated Balance Sheets was $21,926 and $24,348, 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 June 30, 2018 and December 31, 2017, the recorded investment of consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings are in process was $1,587 and $873, respectively.

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Allowance for Credit Losses

6 Months Ended

Jun. 30, 2018

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. For purposes of determining the general allowance, the loan portfolio is segregated by product type to recognize differing risk profiles among categories. It is further segregated by credit grade for non-homogenous loan pools and delinquency for homogeneous loan pools. The outstanding principal balance within each pool is multiplied by historical loss data, the loss emergence period (which is the period of time between the event that triggers a loss and the confirmation and/or charge off of that loss) and certain qualitative factors to derive the general loss allocation per pool. Specific loss allocations are calculated for commercial loans in excess of $500,000 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.

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 charges-off 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 payments 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 and six months ended June 30, 2018, the re-estimation of the expected cash flows related to loans acquired that have evidence of deterioration of credit quality resulted in provision for loan losses expense of $801 and $2,080, respectively, as compared to a reversal of provision for loan losses expense of $738 and $371, respectively, for the three and six months ended June 30, 2017.

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 $927 and $679 at June 30, 2018 and December 31, 2017, 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 portfolio segment, for the periods indicated is summarized as follows:

Allowance for Loan Losses

For the Three Months Ended June 30, 2018

	Commercial Real Estate										Construction				Allowance for
	Owner- occupied			Nonowner- occupied			Other Commercial		Residential Real Estate		& Land Development		Consumer		Estimated Imprecision			Total
Allowance for Loan Losses:
Beginning balance	$	3,719		$	6,774		$	46,917	$	10,253	$	6,429	$	2,391	$	170		$	76,653
Charge-offs		728			314			5,795		82		72		721		0			7,712
Recoveries		690			17			984		94		9		196		0			1,990
Provision		(468	)		(294	)		6,085		115		226		553		(13	)		6,204
Ending balance	$	3,213		$	6,183		$	48,191	$	10,380	$	6,592	$	2,419	$	157		$	77,135

Allowance for Loan Losses and Carrying Amount of Loans

For the Six Months Ended June 30, 2018

	Commercial Real Estate										Construction					Allowance for
	Owner- occupied			Nonowner- occupied			Other Commercial		Residential Real Estate		& Land Development			Consumer		Estimated Imprecision		Total
Allowance for Loan Losses:
Beginning balance	$	5,401		$	6,369		$	45,189	$	9,927	$	7,187		$	2,481	$	73	$	76,627
Charge-offs		1,743			314			8,663		992		532			1,326		0		13,570
Recoveries		745			153			1,090		358		11			339		0		2,696
Provision		(1,190	)		(25	)		10,575		1,087		(74	)		925		84		11,382
Ending balance	$	3,213		$	6,183		$	48,191	$	10,380	$	6,592		$	2,419	$	157	$	77,135
Ending Balance: individually evaluated for impairment	$	978		$	1,693		$	14,676	$	1,460	$	277		$	0	$	0	$	19,084
Ending Balance: collectively evaluated for impairment	$	2,235		$	4,490		$	33,515	$	8,920	$	6,315		$	2,419	$	157	$	58,051
Ending Balance: loans acquired with deteriorated credit quality	$	0		$	0		$	0	$	0	$	0		$	0	$	0	$	0
Financing receivables:
Ending balance	$	1,366,814		$	4,435,910		$	2,209,191	$	3,300,472	$	1,396,853		$	819,768	$	0	$	13,529,008
Ending Balance: individually evaluated for impairment	$	30,134		$	21,653		$	79,980	$	15,185	$	16,892		$	0	$	0	$	163,844
Ending Balance: collectively evaluated for impairment	$	1,305,807		$	4,337,381		$	2,103,205	$	3,272,737	$	1,357,792		$	819,745	$	0	$	13,196,667
Ending Balance: loans acquired with deteriorated credit quality	$	30,873		$	76,876		$	26,006	$	12,550	$	22,169		$	23	$	0	$	168,497

Allowance for Loan Losses and Carrying Amount of Loans

For the Year Ended December 31, 2017

	Commercial Real Estate											Construction					Allowance for
	Owner- occupied			Nonowner- occupied			Other Commercial		Residential Real Estate			& Land Development			Consumer		Estimated Imprecision			Total
Allowance for Loan Losses:
Beginning balance	$	5,273		$	6,883		$	33,087	$	13,770		$	10,606		$	2,805	$	347		$	72,771
Charge-offs		2,246			296			21,189		2,973			3,337			2,822		0			32,863
Recoveries		2,599			244			3,395		601			726			748		0			8,313
Provision		(225	)		(462	)		29,896		(1,471	)		(808	)		1,750		(274	)		28,406
Ending balance	$	5,401		$	6,369		$	45,189	$	9,927		$	7,187		$	2,481	$	73		$	76,627
Ending Balance: individually evaluated for impairment	$	2,251		$	1,592		$	16,721	$	1,552		$	229		$	0	$	0		$	22,345
Ending Balance: collectively evaluated for impairment	$	3,150		$	4,777		$	28,468	$	8,375		$	6,958		$	2,481	$	73		$	54,282
Ending Balance: loans acquired with deteriorated credit quality	$	0		$	0		$	0	$	0		$	0		$	0	$	0		$	0
Financing receivables:
Ending balance	$	1,361,629		$	4,451,298		$	1,998,979	$	2,996,171		$	1,504,907		$	714,353	$	0		$	13,027,337
Ending Balance: individually evaluated for impairment	$	36,721		$	21,851		$	78,715	$	14,316		$	16,921		$	0	$	0		$	168,524
Ending Balance: collectively evaluated for impairment	$	1,291,379		$	4,320,997		$	1,892,706	$	2,967,666		$	1,461,206		$	714,338	$	0		$	12,648,292
Ending Balance: loans acquired with deteriorated credit quality	$	33,529		$	108,450		$	27,558	$	14,189		$	26,780		$	15	$	0		$	210,521

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Intangible Assets

6 Months Ended

Jun. 30, 2018

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:

	June 30, 2018
	Community Banking					Mortgage Banking					Total
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Amortized intangible assets:
Core deposit intangible assets	$	98,359	($	58,473	)	$	0	($	0	)	$	98,359	($	58,473	)
Non-amortized intangible assets:
George Mason trade name	$	0				$	1,080				$	1,080
Goodwill not subject to amortization	$	1,472,699				$	5,315				$	1,478,014

	December 31, 2017
	Community Banking					Mortgage Banking				Total
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Amortized intangible assets:
Core deposit intangible assets	$	98,359	($	54,453	)	$	0	$	0	$	98,359	($	54,453	)
Non-amortized intangible assets:
George Mason trade name	$	0				$	1,080			$	1,080
Goodwill not subject to amortization	$	1,473,265				$	5,115			$	1,478,380

The following table provides a reconciliation of goodwill:

	Community Banking			Mortgage Banking		Total
Goodwill at December 31, 2017	$	1,473,265		$	5,115	$	1,478,380
Addition to goodwill from Cardinal acquisition		(566	)		200		(366	)
Goodwill at June 30, 2018	$	1,472,699		$	5,315	$	1,478,014

United incurred amortization expense on intangible assets of $2,010 and $4,020 for the quarter and six months ended June 30, 2018, respectively, and $2,093 and $3,141 for the quarter and six months ended June 30, 2017, respectively.

The following table sets forth the anticipated amortization expense for intangible assets for the years subsequent to 2017:

Year	Amount
2018	$	8,039
2019		7,016
2020		6,309
2021		5,369
2022 and thereafter		17,173

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Short-Term Borrowings

6 Months Ended

Jun. 30, 2018

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 $230,000. 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 June 30, 2018, federal funds purchased were $14,000 while total securities sold under agreements to repurchase (REPOs) were $185,507. 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 June 30, 2018, United had no outstanding balance under this line of credit.

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Long-Term Borrowings

6 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Long-Term Borrowings

9. LONG-TERM BORROWINGS    

United’s subsidiary bank is a member 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 June 30, 2018, United had an unused borrowing amount of approximately $3,579,159 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 June 30, 2018, $1,560,365 of FHLB advances with a weighted-average interest rate of 1.97% are scheduled to mature within the next seven years.

The scheduled maturities of these FHLB borrowings are as follows:

Year	Amount
2018	$	1,246,776
2019		187,370
2020		41,896
2021		52,547
2022 and thereafter		31,776
Total	$	1,560,365

At June 30, 2018, United had a total of fourteen 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 June 30, 2018 and December 31, 2017, the outstanding balance of the Debentures was $234,276 and $242,446, 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.

For reporting periods prior to June 30, 2017, the Trust Preferred Securities qualified as Tier 1 regulatory capital under the “Basel III Capital Rules” as published by United’s primary federal regulator, the Federal Reserve, in July of 2013. The “Basel III Capital Rules” established a new comprehensive capital framework for U.S. banking organizations. Because United was less than $15 billion in total consolidated assets, the Basel III Capital Rules grandfathered United’s Trust Preferred Securities as Tier 1 capital under the limitations for restricted capital elements in the general risk-based capital rules. As a result, beginning in 2015 (the adoption date), United’s Trust Preferred Securities was 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, which is substantially similar to the limit in the general risk-based capital rules. Trust preferred securities no longer included in United’s Tier 1 capital could be included as a component of Tier 2 capital on a permanent basis without phase-out.

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Commitments and Contingent Liabilities

6 Months Ended

Jun. 30, 2018

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 $3,899,439 and $4,224,719 of loan commitments outstanding as of June 30, 2018 and December 31, 2017, respectively, the majority of which contractually expire within one year. Included in the June 30, 2018 amount are commitments to extend credit of $324,487 related to George Mason’s mortgage loan funding commitments and are of a short-term nature.

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 June 30, 2018 and December 31, 2017, United had no 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 $145,778 and $147,017 as of June 30, 2018 and December 31, 2017, 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.

George Mason provides for its estimated exposure to repurchase loans previously sold to investors for which borrowers failed to provide full and accurate information on their loan application or for which appraisals have not been acceptable or where the loan was not underwritten in accordance with the loan program specified by the loan investor, and for other exposure to its investors related to loan sales activities. United evaluates the merits of each claim and estimates its reserve based on actual and expected claims received and considers the historical amounts paid to settle such claims. George Mason has a reserve of $516 as of June 30, 2018.

United has derivative counter-party risk that may arise from the possible inability of George Mason’s third party investors to meet the terms of their forward sales contracts. George Mason works with third-party investors that are generally well-capitalized, are investment grade and exhibit strong financial performance to mitigate this risk. United does not expect any third-party investor to fail to meet its obligation.

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

6 Months Ended

Jun. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

11. DERIVATIVE FINANCIAL INSTRUMENTS

United uses derivative instruments to help aid against adverse price changes 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 (ASC Topic 815). 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.

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.

United through George Mason enters into interest rate lock commitments to finance residential mortgage loans with its customers. These commitments, which contain fixed expiration dates, offer the borrower an interest rate guarantee provided the loan meets underwriting guidelines and closes within the timeframe established by United. Interest rate risk arises on these commitments and subsequently closed loans if interest rates change between the time of the interest rate lock and the delivery of the loan to the investor. Market risk on interest rate lock commitments and mortgage loans held for sale is managed using corresponding forward mortgage loan sales contracts. United is a party to these forward mortgage loan sales contracts to sell loans servicing released and short sales of mortgage-backed securities. When the interest rate is locked with the borrower, the rate lock commitment, forward sale agreement, and mortgage-backed security position are undesignated derivatives and marked to fair value through earnings. The fair value of the rate lock derivative includes the servicing premium and the interest spread for the difference between retail and wholesale mortgage rates. Income from mortgage banking activities includes the gain recognized for the period presented and associated elements of fair value.

United sells mortgage loans on either a best efforts or mandatory delivery basis. For loans sold on a mandatory delivery basis, United enters into forward mortgage-backed securities (the “residual hedge”) to mitigate the effect of interest rate risk. Both the rate lock commitment under mandatory delivery and the residual hedge are recorded at fair value through earnings and are not designated as accounting hedges. At the closing of the loan, the loan commitment derivative expires and United records a loan held for sale at fair value and continues to mark these assets to market under the election of fair value option. United closes out of the trading mortgage-backed securities assigned within the residual hedge and replaces the securities with a forward sales contract once a price has been accepted by an investor and recorded at fair value. For those loans selected to be sold under best efforts delivery, at the closing of the loan, the rate lock commitment derivative expires and the Company records a loan held for sale at fair value under the election of fair value option and continues to be obligated under the same forward loan sales contract entered into at inception of the rate lock commitment.

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 tables disclose the derivative instruments’ location on the Company’s Consolidated Balance Sheets and the notional amount and fair value of those instruments at June 30, 2018 and December 31, 2017.

	Asset Derivatives
	June 30, 2018						December 31, 2017
	Balance Sheet Location		Notional Amount		Fair Value		Balance Sheet Location		Notional Amount		Fair Value
Derivatives designated as hedging instruments Fair Value Hedges:
Interest rate swap contracts (hedging commercial loans)		Other assets	$	87,672	$	3,329		Other assets	$	71,831	$	538
Total derivatives designated as hedging instruments			$	87,672	$	3,329			$	71,831	$	538
Derivatives not designated as hedging instruments
Forward loan sales commitments		Other assets	$	22,107	$	112		Other assets	$	31,024	$	2
Interest rate lock commitments		Other assets		182,030		6,541		Other assets		148,866		4,559
Total derivatives not designated as hedging instruments			$	204,137	$	6,653			$	179,890	$	4,561
Total asset derivatives			$	291,809	$	9,982			$	251,721	$	5,099
	Liability Derivatives
	June 30, 2018						December 31, 2017
	Balance Sheet Location		Notional Amount		Fair Value		Balance Sheet Location		Notional Amount		Fair Value
Derivatives designated as hedging instruments Fair Value Hedges:
Interest rate swap contracts (hedging commercial loans)		Other liabilities	$	0	$	0		Other liabilities	$	18,795	$	165
Total derivatives designated as hedging instruments			$	0	$	0			$	18,795	$	165
Derivatives not designated as hedging instruments
TBA mortgage-backed securities		Other liabilities	$	343,000	$	1,422		Other liabilities	$	236,500	$	312
Interest rate lock commitments		Other liabilities		0		0		Other liabilities		0		0
Total derivatives not designated as hedging instruments			$	343,000	$	1,422			$	236,500	$	312
Total liability derivatives			$	343,000	$	1,422			$	255,295	$	477

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 its unaudited Consolidated Statements of Income for the three and six months ended June 30, 2018 and 2017 are presented as follows:

			Three Months Ended
	Income  Statement Location		June 30, 2018			June 30, 2017
Derivatives in hedging relationships Fair Value Hedges:
Interest rate swap contracts		Interest income/(expense)	$	24		$	(282	)
Total derivatives in hedging relationships			$	24		$	(282	)
Derivatives not designated as hedging instruments
Forward loan sales commitments		Income from Mortgage Banking Activities		112			(170	)
TBA mortgage-backed securities		Income from Mortgage Banking Activities		(660	)		2,784
Interest rate lock commitments		Income from Mortgage Banking Activities		2,888			1,019
Total derivatives not designated as hedging instruments			$	2,340		$	3,633
Total derivatives			$	2,364		$	3,351
			Six Months Ended
	Income Statement Location		June 30, 2018			June 30, 2017
Derivatives in fair value hedging relationships Fair Value Hedges:
Interest rate swap contracts		Interest income/(expense)	$	(18	)	$	(440	)
Cash Flow Hedges:
Forward loan sales commitments		Other income		0			0
Total derivatives in hedging relationships			$	(18	)	$	(440	)
Derivatives not designated as hedging instruments
Forward loan sales commitments		Income from Mortgage Banking Activities		185			(170	)
TBA mortgage-backed securities		Income from Mortgage Banking Activities		(1,110	)		2,784
Interest rate lock commitments		Income from Mortgage Banking Activities		1,619			1,019
Total derivatives not designated as hedging instruments			$	694		$	3,633
Total derivatives			$	676		$	3,193

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Fair Value Measurements

6 Months Ended

Jun. 30, 2018

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 prices, inputs and 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 and equity securities: Securities available for sale and equity securities 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 June 30, 2018, 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 June 30, 2018. 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. 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 the most representative measurement technique for these securities. 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.

Loans held for sale: For residential mortgage loans sold in the mortgage banking segment, the loans closed are recorded at fair value using the fair value option which is measured using valuations from investors for loans with similar characteristics adjusted for the Company’s actual sales experience versus the investor’s indicated pricing. These valuations fall into the Level 3 category. The unobservable input is the Company’s historical sales prices. The range of historical sales prices increased the investor’s indicated pricing by a range of 0.18% to 0.65% with a weighted average increase of 0.34%.

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.

The Company records its interest rate lock commitments and forward loan sales commitments at fair value determined as the amount that would be required to settle each of these derivative financial instruments at the balance sheet date. In the normal course of business, George Mason enters into contractual interest rate lock commitments to extend credit to borrowers with fixed expiration dates. The commitments become effective when the borrowers “lock-in” a specified interest rate within the timeframes established by the mortgage companies. All borrowers are evaluated for credit worthiness prior to the extension of the commitment. Market risk arises if interest rates move adversely between the time of the interest rate lock by the borrower and the sale date of the loan to the investor. To mitigate the effect of the interest rate risk inherent in providing rate lock commitments to borrowers, George Mason enters into either a forward sales contract to sell loans to investors when using best efforts or a TBA mortgage-backed security under mandatory delivery. As TBA mortgage-backed securities are actively traded in an open market, TBA mortgage-backed securities fall into a Level 1 category. The forward sales contracts lock in an interest rate and price for the sale of loans similar to the specific rate lock commitments. Under the Company’s best efforts model, the rate lock commitments to borrowers and the forward sales contracts to investors through to the date the loan closes are undesignated derivatives and accordingly, are marked to fair value through earnings. These valuations fall into a Level 2 category. For residential mortgage loans sold in the mortgage banking segment, the interest rate lock commitments are recorded at fair value which is measured using valuations from investors for loans with similar characteristics adjusted for the Company’s actual sales experience versus the investor’s indicated pricing. These valuations fall into the Level 3 category. The unobservable input is the Company’s historical sales prices. The range of historical sales prices increased the investor’s indicated pricing by a range of 0.18% to 0.65% with a weighted average increase of 0.34%.

For interest rate swap 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 June 30, 2018 and December 31, 2017, segregated by the level of the valuation inputs within the fair value hierarchy.

			Fair Value at June 30, 2018 Using
Description	Balance as of June  30, 2018		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 securities:
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	143,815	$	0	$	143,815	$	0
State and political subdivisions		272,180		0		272,180		0
Residential mortgage-backed securities
Agency		890,129		0		890,129		0
Non-agency		4,794		0		4,794		0
Commercial mortgage-backed securities
Agency		501,403		0		501,403		0
Asset-backed securities		166,131		0		166,131		0
Trust preferred collateralized debt obligations		5,818		0		0		5,818

			Fair Value at June 30, 2018 Using
Description	Balance as of June  30, 2018		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Single issue trust preferred securities		8,238		0		8,238		0
Other corporate securities		68,419		6,940		61,479		0
Total available for sale securities		2,060,927		6,940		2,048,169		5,818
Equity securities:
Financial services industry		175		175		0		0
Equity mutual funds (1)		4,856		4,856		0		0
Other equity securities		4,633		4,633		0		0
Total equity securities		9,664		9,664		0		0
Loans held for sale		282,439		0		0		282,439
Derivative financial assets:
Interest rate swap contracts		3,329		0		3,329		0
Forward sales commitments		112		0		112		0
Interest rate lock commitments		6,541		0		0		6,541
Total derivative financial assets		9,982		0		3,441		6,541
Liabilities
Derivative financial liabilities:
TBA mortgage-backed securities		1,422		0		1,422		0
Total derivative financial liabilities		1,422		0		1,422		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, 2017 Using
Description	Balance as of December 31, 2017		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	$	114,758	$	0	$	114,758	$	0
State and political subdivisions		303,869		0		303,869		0
Residential mortgage-backed securities
Agency		814,593		0		814,593		0
Non-agency		5,512		0		5,512		0
Commercial mortgage-backed securities Agency		454,857		0		454,857		0
Asset-backed securities		109,970		0		109,970		0
Trust preferred collateralized debt obligations		34,269		0		0		34,269
Single issue trust preferred securities		12,560		0		12,560		0
Other corporate securities		28,490		0		28,490		0
Total available for sale debt securities		1,878,878		0		1,844,609		34,269
Available for sale equity securities:
Financial services industry		3,545		331		3,214		0
Equity mutual funds (1)		6,332		6,332		0		0
Other equity securities		1		1		0		0
Total available for sale equity securities		9,878		6,664		3,214		0
Total available for sale securities		1,888,756		6,664		1,847,823		34,269
Loans held for sale		263,308		0		0		263,308
Derivative financial assets:
Interest rate swap contracts		538		0		538		0
Interest rate lock commitments		4,561		0		2		4,559
Total derivative financial assets		5,099		0		540		4,559
Liabilities
Derivative financial liabilities:
Interest rate swap contracts		165		0		165		0
TBA mortgage-backed securities		312		0		312		0
Total derivative financial liabilities		477		0		477		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 six months ended June 30, 2018 and the year ended December 31, 2017.

The following table presents additional information about financial assets and liabilities measured at fair value at June 30, 2018 and December 31, 2017 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
	June 30, 2018			December 31, 2017
Balance, beginning of period	$	34,269		$	33,552
Total gains or losses (realized/unrealized):
Included in earnings (or changes in net assets)		28			9
Included in other comprehensive income		821			8,757
Purchases, issuances, and settlements		0			0
Sales		(29,300	)		(8,049	)
Transfers in and/or out of Level 3		0			0
Balance, end of period	$	5,818		$	34,269
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

	Loans held for sale
	June 30, 2018			December 31, 2017
Balance, beginning of period	$	263,308		$	0
Acquired in Cardinal merger		0			271,301
Originations		1,448,225			2,333,927
Sales		(1,440,029	)		(2,408,945	)
Total gains or losses during the period recognized in earnings		38,351			58,132
Transfers in and/or out of Level 3		(27,416	)		8,893
Balance, end of period	$	282,439		$	263,308
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

	Derivative Financial  Assets Interest Rate Lock Commitments
	June 30, 2018		December 31, 2017
Balance, beginning of period	$	4,559	$	0
Acquired in Cardinal merger		0		10,393
Transfers other		1,982		(5,834	)
Balance, end of period	$	6,541	$	4,559
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.

Fair Value Option

United elected the fair value option for the loans held for sale in its mortgage banking segment to mitigate a divergence between accounting losses and economic exposure.

The following table reflects the change in fair value included in earnings of financial instruments for which the fair value option has been elected:

Description	Three Months Ended June  30, 2018		Three Months Ended June  30, 2017
Assets
Loans held for sale
Income from mortgage banking activities	$	3,929	$	(2,439	)
Description	Six Months Ended June 30, 2018		Six Months Ended June 30, 2017
Assets
Loans held for sale
Income from mortgage banking activities	$	3,092	$	(2,439	)

The following table reflects the difference between the aggregate fair value and the remaining contractual principal outstanding for financial instruments for which the fair value option has been elected:

	June 30, 2018						December 31, 2017
Description	Unpaid Principal Balance		Fair Value		Fair Value Over/(Under) Unpaid Principal Balance		Unpaid Principal Balance		Fair Value		Fair Value Over/(Under) Unpaid Principal Balance
Assets
Loans held for sale	$	275,693	$	282,439	$	6,746	$	257,674	$	263,308	$	5,634

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis

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

Loans held for sale: Loans held for sale within the community banking segment that are delivered on a best efforts basis are carried at the lower of cost or fair value. The 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 for these loans held for sale on a nonrecurring basis. No nonrecurring fair value adjustments were recorded on loans held for sale during the six months ended June 30, 2018. Gains and losses on sale of loans are recorded within income from mortgage banking activities 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 other fair value measurement of intangible assets was made during the first six months of 2018 and 2017.

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

			Carrying value at June 30, 2018
Description	Balance as of June  30, 2018		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		YTD Losses
Assets
Loans held for sale	$	2,755	$	0	$	2,755	$	0	$	0
Impaired Loans		73,997		0		65,174		8,823		1,581
OREO		21,926		0		21,747		179		825
			Carrying value at December 31, 2017
Description	Balance as of December 31, 2017		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		YTD Losses
Assets
Loans held for sale	$	2,647	$	0	$	2,647	$	0	$	14
Impaired Loans		88,637		0		70,950		17,687		12,291
OREO		24,348		0		24,151		197		4,200

Fair Value of Other Financial Instruments

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 securities 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: For June 30, 2018, fair values of loans are estimated on an exit price basis incorporating discounts for credit, liquidity and marketability factors. This is not comparable with the fair values disclosed for December 31, 2017, which were based on an entrance price basis. For that date, the fair values of certain mortgage loans (e.g., one-to-four family residential), credit card loans, and other consumer loans were 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) were estimated using discounted cash flow analyses, using market interest rates being offered at that time for loans with similar terms to borrowers of similar creditworthiness, which included adjustments for liquidity concerns. For acquired impaired loans, fair value was assumed to equal United’s carrying value, which represented 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.

Summary of Fair Values for All Financial Instruments

The estimated fair values of United’s financial instruments, including those measured at amortized cost on the balance sheet, 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)
June 30, 2018
Cash and cash equivalents	$	1,092,926	$	1,092,926	$	0	$	1,092,926	$	0
Securities available for sale		2,060,927		2,060,927		6,940		2,048,169		5,818
Securities held to maturity		20,378		19,708		0		19,708		0
Equity securities		9,664		9,664		9,664		0		0
Other securities		175,334		166,568		0		0		166,568
Loans held for sale		285,194		285,194		0		2,755		282,439
Loans		13,439,494		12,582,256		0		0		12,582,256
Derivative financial assets		9,882		9,882		0		3,441		6,541
Deposits		13,830,766		13,789,447		0		13,789,447		0
Short-term borrowings		199,507		199,507		0		199,507		0
Long-term borrowings		1,794,641		1,767,186		0		1,767,186		0
Derivative financial liabilities		1,422		1,422		0		1,422		0
December 31, 2017
Cash and cash equivalents	$	1,666,167	$	1,666,167	$	0	$	1,666,167	$	0
Securities available for sale		1,888,756		1,888,756		6,664		1,847,823		34,269
Securities held to maturity		20,428		20,018		0		16,998		3,020
Other securities		162,461		154,338		0		0		154,338
Loans held for sale		265,955		265,955		0		2,647		263,308
Loans		12,934,794		12,437,797		0		0		12,437,797
Derivative financial assets		5,099		5,099		0		540		4,559
Deposits		13,830,591		14,024,720		0		14,024,720		0
Short-term borrowings		477,587		477,587		0		477,587		0
Long-term borrowings		1,363,977		1,338,754		0		1,338,754		0
Derivative financial liabilities		477		477		0		477		0

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Stock Based Compensation

6 Months Ended

Jun. 30, 2018

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

Stock Based Compensation

13. STOCK BASED COMPENSATION

On May 18, 2016, United’s shareholders approved the 2016 Long-Term Incentive Plan (2016 LTI Plan). The 2016 LTI Plan became effective as of May 18, 2016. An award granted under the 2016 LTI Plan may consist of any non-qualified stock options or incentive stock options, stock appreciation rights (SARs), restricted stock, restricted stock units, performance units or other-stock-based award. 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 2016 LTI Plan is 1,700,000. The 2016 LTI Plan will be administered by a board committee appointed by United’s Board of Directors (the Board). Unless otherwise determined by the Board, the Compensation Committee of the Board (the Committee) shall administer the 2016 LTI Plan. 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 unit awards which are settled in shares is 500,000, and (2) the aggregate number of shares that may be issued pursuant to stock options is 1,200,000. The shares to be offered under the 2016 LTI Plan may be authorized and unissued shares or treasury shares. The maximum number of options and SARs, in the aggregate, which may be awarded to any individual key employee during any calendar year is 100,000. The maximum number of stock options and SARs, in the aggregate, which may be awarded to any non-employee director during any calendar year is 10,000. The maximum number of shares of restricted stock or shares subject to a restricted stock units award that may be granted during any calendar year is 50,000 shares to any individual key employee and 5,000 shares to any individual non-employee director. Subject to certain change in control provisions, the 2016 LTI Plan provides that awards of restricted stock and restricted stock units will vest as the Committee determines in the award agreement, provided that no awards will vest sooner than 1/3 per year over the first three anniversaries of the award. Awards granted to executive officers of United typically will have performance based vesting conditions. A Form S-8 was filed on July 29, 2016 with the Securities and Exchange Commission to register all the shares which were available for the 2016 LTI Plan. During the first six months of 2018, a total of 276,192 non-qualified stock options and 97,004 shares of restricted stock were granted under the 2016 LTI Plan.

Compensation expense of $1,024 and $1,992 related to the nonvested awards under United’s Long-Term Incentive Plans was incurred for the second quarter and first six months of 2018, respectively, as compared to the compensation expense of $998 and $1,680 related to the nonvested awards under United’s Long-Term Incentive Plans incurred for the second quarter and first six months of 2017, 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 2016 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 June 30, 2018, and the changes during the first six months of 2018 are presented below:

	Six Months Ended June 30, 2018
						Weighted Average
	Shares			Aggregate Intrinsic Value		Remaining Contractual Term (Yrs.)		Exercise Price
Outstanding at January 1, 2018		1,558,438						$	31.09
Granted		276,192							37.60
Exercised		(42,089	)						21.72
Forfeited or expired		(15,389	)						33.17
Outstanding at June 30, 2018		1,777,152		$	9,902,605		6.0	$	32.30
Exercisable at June 30, 2018		1,191,092		$	9,780,319		4.6	$	28.73

The following table summarizes the status of United’s nonvested stock option awards during the first six months of 2018:

	Shares			Weighted-Average Grant Date Fair Value Per Share
Nonvested at January 1, 2018		507,871		$	7.89
Granted		276,192			7.56
Vested		(187,815	)		7.53
Forfeited or expired		(10,188	)		7.61
Nonvested at June 30, 2018		586,060		$	7.86

During the six months ended June 30, 2018 and 2017, 42,089 and 126,808 shares, respectively, were issued in connection with stock option exercises. All shares issued in connection with stock option exercises for the six months ended June 30, 2018 and 2017 were issued from authorized and unissued stock. The total intrinsic value of options exercised under the Plans during the six months ended June 30, 2018 and 2017 was $630 and $2,501 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 June 30, 2018:

	Number of Shares			Weighted-Average Grant Date Fair Value Per Share
Outstanding at January 1, 2018		170,496		$	40.05
Granted		97,004			37.60
Vested		(62,411	)		37.59
Forfeited		(2,853	)		37.97
Outstanding at June 30, 2018		202,236		$	39.66

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Employee Benefit Plans

6 Months Ended

Jun. 30, 2018

Retirement Benefits [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. During the first quarter of 2018, United made a discretionary contribution of $7,000 to the Plan.

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 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, 2017 are unrecognized actuarial losses of $56,222 ($35,420 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, 2018 is $4,653 ($2,932 net of tax).

Net periodic pension cost for the three and six months ended June 30, 2018 and 2017 included the following components:

	Three Months Ended June 30						Six Months Ended June 30
	2018			2017			2018			2017
Service cost	$	666		$	569		$	1,324		$	1,131
Interest cost		1,308			1,279			2,603			2,544
Expected return on plan assets		(2,551	)		(2,049	)		(5,073	)		(4,076	)
Recognized net actuarial loss		1,162			1,100			2,311			2,187
Net periodic pension (benefit) cost	$	585		$	899		$	1,165		$	1,786
Weighted-Average Assumptions:
Discount rate		3.83	%		4.49	%		3.83	%		4.49	%
Expected return on assets		7.00	%		7.00	%		7.00	%		7.00	%
Rate of compensation increase (prior to age 45)		3.50	%		3.50	%		3.50	%		3.50	%
Rate of compensation increase		3.00	%		3.00	%		3.00	%		3.00	%

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Income Taxes

6 Months Ended

Jun. 30, 2018

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 June 30, 2018 and 2017, the total amount of accrued interest related to uncertain tax positions was $721 and $609, respectively. United accounts for interest and penalties related to uncertain tax positions as part of its provision for federal and state income taxes.

United is currently open to audit under the statute of limitations by the Internal Revenue Service for the years ended December 31, 2014, 2015 and 2016 and certain State Taxing authorities for the years ended December 31, 2014 through 2016.

On December 22, 2017, the Tax Cuts and Jobs Act (the “Tax Act”) was signed into law. The Tax Act lowered the Federal corporate tax rate from 35% to 21% effective January 1, 2018 and made numerous other tax law changes. U.S. generally accepted accounting principles (GAAP) requires companies to recognize the effect of tax law changes in the period of enactment. As a result of the Tax Act, United was required to remeasure deferred tax assets and liabilities at the new tax rate and as a result, recorded deferred tax expense of $37,732 in the fourth quarter of 2017. Reasonable estimates were made based on the Company’s analysis of the Tax Act. This provisional amount may be adjusted in future periods during 2018 when additional information is obtained as provided for under Staff Accounting Bulletin 118 (“SAB 118”). Additional information that may affect our provisional amount would include further clarification and guidance on how the IRS will implement tax reform, further clarification and guidance on how state taxing authorities will implement tax reform and the related effect on the Company’s state income tax returns, completion of United’s 2017 tax return filings, and the potential for additional guidance from the SEC or the FASB related to the Tax Act. Management continues to evaluate other potential impacts of the Tax Act. The Company did not identify items for which the income tax effects of the Tax Act have not been completed and a reasonable estimate could not be determined as of June 30, 2018.

United’s effective tax rate was 22.50% and 22.49% for the second quarter and first six months of 2018 and 34.25% for both the second quarter and first six months of 2017. The lower effective tax rate for the second quarter and first six months of 2018 was due mainly to the Tax Act.

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Comprehensive Income

6 Months Ended

Jun. 30, 2018

Equity [Abstract]

Comprehensive Income

16. COMPREHENSIVE INCOME

The components of total comprehensive income for the three and six months ended June 30, 2018 and 2017 are as follows:

	Three Months Ended						Six Months Ended
	June 30						June 30
	2018			2017			2018			2017
Net Income	$	66,274		$	37,059		$	127,980		$	75,868
Available for sale (“AFS”) securities:
AFS securities with OTTI charges during the period		0			(16	)		0			(60	)
Related income tax effect		0			6			0			22
Less: OTTI charges recognized in net income		0			16			0			60
Related income tax benefit		0			(6	)		0			(22	)
Reclassification of previous noncredit OTTI to credit OTTI		0			0			0			0
Related income tax benefit		0			(0	)		0			(0	)
Net unrealized (losses) gains on AFS securities with OTTI		0			0			0			0
AFS securities – all other:
Change in net unrealized gain on AFS securities arising during the period		(10,684	)		5,686			(32,701	)		11,262
Related income tax effect		4,162			(2,104	)		9,292			(4,167	)
Net reclassification adjustment for (gains) losses included in net income		27			(763	)		176			(977	)
Related income tax expense (benefit)		(6	)		282			(41	)		361
		(6,501	)		3,101			(23,274	)		6,479
Net effect of AFS securities on other comprehensive income		(6,501	)		3,101			(23,274	)		6,479
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		2			2			4			4
Related income tax expense		(1	)		(1	)		(2	)		(2	)
Net effect of HTM securities on other comprehensive income		1			1			2			2
Pension plan:
Recognized net actuarial loss		1,162			1,100			2,311			2,187
Related income tax benefit		(110	)		(405	)		(526	)		(797	)
Net effect of change in pension plan asset on other comprehensive income		1,052			695			1,785			1,390
Total change in other comprehensive income		(5,448	)		3,797			(21,487	)		7,871
Total Comprehensive Income	$	60,826		$	40,856		$	106,493		$	83,739

The components of accumulated other comprehensive income for the six months ended June 30, 2018 are as follows:

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

For the Six Months Ended June 30, 2018

	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, 2018	($	6,204	)	($	46	)	($	35,775	)	($	42,025	)
Cumulative effect of adopting Accounting Standard Update 2016-01		(136	)		0			0			(136	)
Reclass due to adopting Accounting Standard Update 2018-02		(1,632	)		0			(4,721	)		(6,353	)
Other comprehensive income before reclassification		(23,409	)		2			0			(23,407	)
Amounts reclassified from accumulated other comprehensive income		135			0			1,785			1,920
Net current-period other comprehensive income, net of tax		(23,274	)		2			1,785			(21,487	)
Balance at June 30, 2018	($	31,246	)	($	44	)	($	38,711	)	($	70,001	)

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

Reclassifications out of Accumulated Other Comprehensive Income (AOCI)

For the Six Months Ended June 30, 2018

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		Net investment securities (losses) gains
Net reclassification adjustment for losses (gains) included in net income		176		Net investment securities (losses) gains
		176		Total before tax
Related income tax effect		(41	)	Tax expense
		135		Net of tax
Pension plan:
Recognized net actuarial loss		2,311	(a)
		2,311		Total before tax
Related income tax effect		(526	)	Tax expense
		1,785		Net of tax
Total reclassifications for the period	$	1,920

(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

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Earnings Per Share

17. 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				Six Months Ended
	June 30				June 30
	2018		2017		2018		2017
Distributed earnings allocated to common stock	$	35,516	$	34,562	$	71,195	$	61,284
Undistributed earnings allocated to common stock		30,637		2,440		56,557		14,454
Net earnings allocated to common shareholders	$	66,153	$	37,002	$	127,752	$	75,738
Average common shares outstanding		104,682,910		99,197,807		104,770,681		90,100,627
Equivalents from stock options		269,878		422,238		287,333		469,662
Average diluted shares outstanding		104,952,788		99,620,045		105,058,014		90,570,289
Earnings per basic common share	$	0.63	$	0.37	$	1.22	$	0.84
Earnings per diluted common share	$	0.63	$	0.37	$	1.22	$	0.84

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Variable Interest Entities

6 Months Ended

Jun. 30, 2018

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 fourteen statutory business trusts that were created for the purpose of raising funds that originally qualified for Tier I regulatory capital. As previously discussed, with the acquisition of Cardinal, these trusts now are considered Tier II 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.

United does not consolidate these trusts as it is not the primary beneficiary of these entities because United’s wholly owned and indirect wholly owned statutory trust subsidiaries do not have a controlling financial interest in the VIEs. A controlling financial interest is present when an enterprise has both the power to direct the activities of the VIE that most significantly impact the VIE’s economic performance and an obligation to absorb losses or the right to receive benefits that could potentially be significant to the VIE. The enterprise with a controlling financial interest, known as the primary beneficiary, consolidates the VIE.

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
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
Cardinal Statutory Trust I	July 27, 2004	$	20,000	3-month LIBOR + 2.40%	September 15, 2034
UFBC Capital Trust I	December 30, 2004	$	5,000	3-month LIBOR + 2.10%	March 15, 2035

United, through its banking subsidiary, 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 June 30, 2018						As of December 31, 2017
	Aggregate Assets		Aggregate Liabilities		Risk Of Loss (1)		Aggregate Assets		Aggregate Liabilities		Risk Of Loss (1)
Trust preferred securities	$	257,518	$	248,629	$	8,889	$	266,669	$	257,674	$	8,995

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Segment Information

6 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Segment Information

19. SEGMENT INFORMATION

As a result of the Cardinal acquisition in April 2017, United now operates in two business segments: community banking and mortgage banking. Prior to the Cardinal acquisition, United’s business activities were confined to just one reportable segment of community banking.

Through its community banking segment, United offers a full range of products and services through various delivery channels. In particular, the community banking segment includes both commercial and consumer lending and provides customers with such products as commercial loans, real estate loans, business financing and consumer loans. In addition, this segment provides customers with several choices of deposit products including demand deposit accounts, savings accounts and certificates of deposit as well as investment and financial advisory services to businesses and individuals, including financial planning, retirement/estate planning, and investment management. The mortgage banking segment engages primarily in the origination and acquisition of residential mortgages for sale into the secondary market though George Mason.

The community banking segment provides the mortgage banking segment (George Mason) with short-term funds to originate mortgage loans through a warehouse line of credit and charges the mortgage banking segment interest based on a LIBOR rate. In addition, the mortgage banking segment (George Mason) originates mortgage loans which are sold to the community banking segment for its loan portfolio. These intersegment transactions are eliminated in the consolidation process.

The Company does not have any operating segments other than those reported. The “Other” category consists of financial information not directly attributable to a specific segment, including interest income from investments and net securities gains or losses of parent companies and their non-banking subsidiaries, interest expense related to subordinated notes of unconsolidated subsidiaries as well as the elimination of non-segment related intercompany transactions such as management fees. The “Other” represents an overhead function rather than an operating segment.

Information about the reportable segments and reconciliation of this information to the consolidated financial statements at and for the three and six months ended June 30, 2018 and 2017 is as follows:

	At and For the Three Months Ended June 30, 2018
	Community Banking		Mortgage Banking		Other			Intersegment Eliminations			Consolidated
Net interest income	$	149,448	$	264	$	(3,032	)	$	2,442		$	149,122
Provision for loans losses		6,204		0		0			0			6,204
Other income		17,465		23,468		68			(4,994	)		36,007
Other expense		76,495		21,225		(1,758	)		(2,552	)		93,410
Income taxes		18,948		564		(271	)		0			19,241
Net income (loss)	$	65,266	$	1,943	$	(935	)	$	0		$	66,274
Total assets (liabilities)	$	19,112,133	$	388,292	$	10,895		$	(303,717	)	$	19,207,603
Average assets (liabilities)		18,658,168		335,781		6,776			(288,341	)		18,712,384

	At and For the Three Months Ended June 30, 2017
	Community Banking		Mortgage Banking			Other			Intersegment Eliminations			Consolidated
Net interest income	$	138,498	$	90		$	(2,343	)	$	0		$	136,245
Provision for loans losses		8,251		0			0			0			8,251
Other income		18,223		22,393			(110	)		0			40,506
Other expense		78,631		18,708			14,798			0			112,137
Income taxes		23,920		1,293			(5,909	)		0			19,304
Net income (loss)	$	45,919	$	2,482		$	(11,342	)	$	0		$	37,059
Total assets (liabilities)	$	18,984,921	$	382,086		$	(4,807	)	$	(326,600	)	$	19,035,600
Average assets (liabilities)		18,070,305		236,074			(20,180	)		(103,184	)		18,183,015
	At and For the Six Months Ended June 30, 2018
	Community Banking		Mortgage Banking			Other			Intersegment Eliminations			Consolidated
Net interest income	$	295,070	$	640		$	(5,626	)	$	3,081		$	293,165
Provision for loans losses		11,382		0			0			0			11,382
Other income		35,235		38,351			(754	)		(5,633	)		67,199
Other expense		148,986		39,609			(2,181	)		(2,552	)		183,862
Income taxes		38,224		(139	)		(945	)		0			37,140
Net income (loss)	$	131,713	$	(479	)	$	(3,254	)	$	0		$	127,980
Total assets (liabilities)	$	19,112,133	$	388,292		$	10,895		$	(303,717	)	$	19,207,603
Average assets (liabilities)		18,583,975		274,211			9,231			(238,796	)		18,628,621
	At and For the Six Months Ended June 30, 2017
	Community Banking		Mortgage Banking			Other			Intersegment Eliminations			Consolidated
Net interest income	$	248,158	$	90		$	(4,383	)	$	0		$	243,865
Provision for loans losses		14,150		0			0			0			14,150
Other income		35,036		22,393			3,223			0			60,652
Other expense		141,383		18,708			14,888			0			174,979
Income taxes		43,724		1,293			(5,497	)		0			39,520
Net income (loss)	$	83,937	$	2,482		$	(10,551	)	$	0		$	75,868
Total assets (liabilities)	$	18,984,921	$	382,086		$	(4,807	)	$	(326,600	)	$	19,035,600
Average assets (liabilities)		16,415,261		118,689			(24,551	)		(205,235	)		16,304,164

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Summary of Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

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 June 30, 2018 and 2017 and for the three-month and six-month periods then ended have not been audited. The consolidated balance sheet as of December 31, 2017 has been extracted from the audited financial statements included in United’s 2017 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 2017 Annual Report of United on Form 10-K. To conform to the 2018 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 operates in two business segments: community banking and mortgage banking. All significant intercompany accounts and transactions have been eliminated in the consolidated financial statements. Information is presented in these notes to the unaudited consolidated interim financial statements with dollars expressed in thousands, except per share or unless otherwise noted.

New Accounting Standards

New Accounting Standards

In June 2018, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) No. 2018-07 “Compensation-Stock Compensation (Topic 718):Improvements to Nonemployee Share-Based Payment Accounting.” This update has been issued as part of a simplification initiative which will expand the scope of Topic 718 to include share-based payment transactions for acquiring goods and services from non-employees and expands the scope through the amendments to address and improve aspects of the accounting for non-employee share-based payment transactions. Consequently, the accounting for share-based payments to nonemployees and employees will be substantially aligned. ASU No. 2018-07 is effective for public companies for fiscal years, and interim fiscal periods within those fiscal years, beginning after December 15, 2018; early adoption is permitted. ASU No. 2018-07 is not expected to have a material impact on the Company’s financial condition or results of operations.

In February 2018, the FASB issued ASU No. 2018-03, “Technical Corrections and Improvements to Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities.” ASU 2018-03 clarifies that entities that use the measurement alternative for equity securities without readily determinable fair values can change its measurement approach to fair value. This election is irrevocable and will apply to all future purchases of identical or similar investments of the same issuer. The amended guidance also clarifies that adjustments made under the measurement alternative should reflect the fair value of the security as of the date that an observable transaction took place rather than the current reporting date. Entities will use the prospective transition approach only for securities they elect to measure using the measurement alternative. ASU No. 2018-03 is effective for interim and annual reporting periods beginning after December 15, 2017; early adoption is permitted. ASU No. 2018-03 did not have a material impact on the Company’s financial condition or results of operations.

In February 2018, the FASB issued ASU No. 2018-02, “Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income,” to help organizations address certain stranded income tax effects in accumulated other comprehensive income (AOCI) resulting from the Tax Cuts and Jobs Act (the “Tax Act”). This ASU provides financial statement preparers with an option to reclassify stranded tax effects within AOCI to retained earnings in each period in which the effect of the change in the U.S. federal corporate income tax rate in the Tax Act (or portion thereof) is recorded. The amendments are effective for all organizations for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is permitted. Organizations should apply the proposed amendments either in the period of adoption or retrospectively to each period (or periods) in which the effect of the change in the U.S. federal corporate income tax rate in the Tax Act is recognized. United adopted ASU No. 2018-02 in the first quarter of 2018 and reclassified $6,353 of stranded income tax effected amounts in AOCI to retained earnings.

In August 2017, the FASB issued ASU No. 2017-12, “Targeting Improvement to Accounting for Hedging Activities.” This ASU amends ASC 815 and its objectives are to improve the transparency and understandability of information conveyed to financial statement users about an entity’s risk management activities by better aligning the entity’s financial reporting for hedging relationships with those risk management activities and reduce the complexity and simplify the application of hedge accounting by preparers. ASU No. 2017-12 is effective for interim and annual reporting periods beginning after December 15, 2018; early adoption is permitted. ASU No. 2017-12 is not expected to have a material impact on the Company’s financial condition or results of operations.

In July 2017, the FASB issued ASU No. 2017-11, “Part I, Accounting for Certain Financial Instruments with Down Round Features and Part II, Replacement of the Indefinite Deferral for Mandatorily Redeemable Financial Instruments of Certain Nonpublic Entities and Certain Mandatorily Redeemable Noncontrolling interests with a Scope Exception.” Part I of this ASU simplifies the accounting for financial instruments that include down round features while the amendments in Part II, which do not have an accounting effect, address the difficulty of navigating the guidance in ASC 480, “Distinguishing Liabilities from Equity”, due to the existence of extensive pending content in the Codification. ASU No. 2017-11 is effective for interim and annual reporting periods beginning after December 15, 2018. ASU No. 2017-11 is not expected to have a material impact on the Company’s financial condition or results of operations.

In May 2017, the FASB issued ASU No. 2017-09, “Stock Compensation, Scope of Modification Accounting.” This ASU clarifies when changes to the terms of conditions of a share-based payment award must be accounted for as modifications. Companies will apply the modification accounting guidance if the value, vesting conditions or classification of the award changes. The new guidance should reduce diversity in practice and result in fewer changes to the terms of an award being accounted for as modifications, as the guidance will allow companies to make certain non-substantive changes to awards without accounting for them as modifications. It does not change the accounting for modifications. ASU No. 2017-09 is effective for interim and annual reporting periods beginning after December 15, 2017; early adoption is permitted. ASU No. 2017-09 did not have a material impact on the Company’s financial condition or results of operations.

In March 2017, the FASB issued ASU No. 2017-07, “Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost.” ASU No. 2017-07 amends ASC 715, “Compensation - Retirement Benefits” and will change how employers that sponsor defined benefit pension and/or other postretirement benefit plans present the net periodic benefit cost in the income statement. Employers will present the service cost component of net periodic benefit cost in the same income statement line item as other employee compensation costs arising from services rendered during the period. Only the service cost component will be eligible for capitalization in assets. Employers will present the other components of the net periodic benefit cost separately from the line item that includes the service cost and outside of any subtotal of operating income, if one is presented. These components will not be eligible for capitalization in assets. ASU No. 2017-07 was effective for United on January 1, 2018. The adoption of ASU No. 2017-07 had a slight change in presentation but did not materially impact the Company’s financial condition or results of operations. United used amounts previously disclosed in its Employee Benefits Plan footnote (Note 14) to retrospectively adjust prior period amounts of employee compensation and employee benefits within United’s Consolidated Statements of Income.

In January 2017, the FASB issued ASU No. 2017-04, “Intangibles – Goodwill and Other (Topic 350).” ASU No. 2017-04 eliminates the requirement to calculate the implied fair value of goodwill to measure a goodwill impairment charge. Instead, entities will record an impairment charge based on the excess of a reporting unit’s carrying amount over its fair value. ASU No. 2017-04 is effective for United on January 1, 2020, with early adoption permitted, and management is currently evaluating the possible impact this standard may have on the Company’s financial condition or results of operations.

In January 2017, the FASB issued ASU No. 2017-01, “Business Combinations (Topic 805): Clarifying the Definition of a Business.” ASU No. 2017-01 changes the definition of a business to assist entities with evaluation when a set of transferred assets and activities is a business. The guidance requires an entity to evaluate if substantially all of the fair value of the gross assets acquired is concentrated in a single identifiable asset or a group of similar identifiable assets. The guidance also requires a business to include at least one substantive process and narrows the definition of outputs by more closely aligning it with how outputs are described in ASC 606. ASU No. 2017-01 was effective for United on January 1, 2018 and did not have a material impact on the Company’s financial condition or results of operations.

In August 2016, the FASB issued ASU No. 2016-15, “Classification of Certain Cash Receipts and Cash Payments.” ASU No. 2016-15 amends ASC Topic 230 to add and clarify guidance on the classification of certain cash receipts and payments in the statement of cash flows as a result of diversity in practice and in certain circumstances, financial statement restatements. Entities should apply ASU No. 2016-15 using a retrospective transition method to each period presented. ASU No. 2016-15 was effective for United on January 1, 2018 and did not have a material impact on the Company’s financial condition or results of operations.

In June 2016, the FASB issued ASU No. 2016-13, “Financial Instruments – Credit Losses.” ASU No. 2016-13 changes the impairment model for most financial assets and certain other instruments that aren’t measured at fair value through net income. The standard will replace today’s “incurred loss” approach with an “expected loss” model for instruments measured at amortized cost and require entities to record allowances for available-for-sale debt securities rather than reduce the carrying amount under the current other-than-temporary impairment (OTTI) model. ASU No. 2016-13 also simplifies the accounting model for purchased credit-impaired debt securities and loans. Entities will apply the standard’s provisions as a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is effective. ASU No. 2016-13 is effective for United on January 1, 2020, with early adoption permitted, and management is currently evaluating the possible impact this standard may have on the Company’s financial condition or results of operations.

In March 2016, the FASB issued ASU No. 2016-09, “Compensation-Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting.” ASU No. 2016-09 will change certain aspects of accounting for share-based payments to employees. The new guidance will, amongst other things, require all income tax effects of awards to be recognized in the income statement when the awards vest or are settled. The requirement to report those income tax effects in earnings was applied to settlements occurring on or after January 1, 2017 and the impact of applying that guidance reduced reporting income tax expense by $1,048 for the year of 2017. ASU No. 2016-09 also allows an employer to repurchase more of an employee’s shares than it could previously for tax withholding purposes without triggering liability accounting and make a policy election to account for forfeitures as they occur. The Company will continue to estimate the number of awards expected to be forfeited and adjust the estimate when it is no longer probable that the employee will fulfill the service condition, as was previously required. ASU No. 2016-09 also requires that all income tax-related cash flows resulting from share-based payments be reported as operating activities in the statement of cash flows. Previously, income tax benefits at settlement of an award were reported as a reduction to operating cash flows and an increase to financing cash flows to the extent that those benefits exceeded the income tax benefits reported in earnings during the award’s vesting period. The adoption of ASU No. 2016-09 did not have a material impact on the Company’s financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-02, “Leases (Topic 842)”. ASU No. 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 No. 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, which has not yet been quantified, with 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 No. 2016-02 is effective for United on January 1, 2019. The Company is currently assessing the impact of the adoption of ASU No. 2016-02 on the Company’s results of operations, financial position and cash flows. The Company has evaluated and plans to elect the practical expedients, which would allow for existing leases to be accounted for consistent with current guidance, with the exception of the balance sheet recognition for lessees. The election of these practical expedients will simplify the accounting for leases and the implementation of ASU No. 2016-02. As a lessee, United had $69,844 in total future minimum lease payments for operating leases as of December 31, 2017. However, the population of contracts requiring balance sheet recognition and their initial measurement continues to be under evaluation. To assist in determining this information as well as the additional requirements of the new standard, the Company has evaluated and selected a third-party lease accounting software solution as part of its implementation strategy. The Company is also documenting the new lease accounting process and has drafted internal controls over financial reporting as part of the implementation process.

In January 2016, the FASB issued ASU No. 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 No. 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 No. 2016-01 was adopted by United on January 1, 2018 and did not have a significant impact on the Company’s financial condition or results of operations.

In May 2014, the FASB issued ASU No. 2014-09, “Revenue from Contracts with Customers (Topic 606).” ASU No. 2014-09 supersedes the revenue recognition requirements in ASC Topic 605, “Revenue Recognition”, and most industry-specific guidance throughout the ASC. 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. For United, revenue is comprised of net interest income and noninterest income. As the standard does not apply to revenue associated with financial instruments, net interest income, gains and losses from securities, income from bank-owned life insurance (BOLI) and income from mortgage banking activities are not impacted by the standard. Based on a review and evaluation of a number of revenue contracts, United’s management determined that ASU No. 2014-09 impacts certain recurring revenue streams related to noninterest income such as fees from trust and brokerage services. However, based on an assessment of these revenue streams under the standard, management concluded that ASU No. 2014-09 does not have a material impact on the Company’s financial condition or results of operations. In addition, in the Company’s evaluation of the nature of its contracts with customers, United has determined that further disaggregation of revenue from contracts with customers into more granular categories beyond those presented in the Consolidated Statements of Income was not necessary. ASU No. 2014-09 was adopted by United on January 1, 2018 using the modified-retrospective transition method. No cumulative effect adjustment was made to the opening balance of retained earnings because the amount was considered immaterial. The impact of ASU No. 2014-09 for the first six months of 2018 was also immaterial to United’s consolidated financial position, results of operations, shareholders’ equity, cash flows and disclosures.

Descriptions of our revenue-generating activities that are within the scope of ASC Topic 606, which are presented in our Consolidated Statements of Income as components of Other Income are discussed below. There are no significant judgements relating to the amount and timing of revenue recognition for those revenue streams under the scope of ASC Topic 606.

Fees from Trust Services

Revenue from trust services primarily is comprised of fees earned from the management and administration of trusts and other customer assets. Trust services include custody of assets, investment management, escrow services, and similar fiduciary activities. The Company’s performance obligation is generally satisfied over time and the resulting fees are recognized monthly, based upon the month-end market value of the assets under management and the applicable fee rate. Payment is generally received a few days after month end through a direct charge to customers’ accounts.

Fees from Brokerage Services

Revenue from brokerage services are recorded as the income is earned at the time the related service is performed. In return for such services, the Company charges a commission for the sales of various securities products primarily consisting of investment company shares, annuity products, and corporate debt and equity securities, for its selling and administrative efforts. For account supervision, advisory and administrative services, revenue is recognized over a period of time as earned based on customer account balances and activity.

Fees from Deposit Services

Service charges on deposit accounts consist of account analysis fees (i.e., net fees earned on analyzed business and public checking accounts), monthly service fees, check orders, ATM activity fees, debit card fees, and other deposit account related fees. Revenue is recognized when our performance obligation is completed which is generally monthly for account maintenance services or when a transaction has been completed (ATM or debit card activity).

Bankcard Fees and Merchant Discounts

Bankcard fees and merchant discounts are primarily comprised of credit card income and merchant services income. Credit card income is primarily comprised of interchange fees earned whenever the Company’s credit cards are processed through card payment networks such as Visa. Merchant services income mainly represents fees charged to merchants to process their credit card transactions. The Company’s performance obligation for bankcard fees and exchange are largely satisfied, and related revenue recognized at the time services are rendered. Payment is typically received immediately or in the following month.

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 prices, inputs and 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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Mergers and Acquisitions (Tables)

6 Months Ended

Jun. 30, 2018

Schedule of Acquired Loans Accounted for at Fair Value

In conjunction with the Cardinal merger, the acquired loan portfolio was accounted for at fair value as follows:

	April 21, 2017
Contractually required principal and interest at acquisition	$	4,211,734
Contractual cash flows not expected to be collected		(56,176	)
Expected cash flows at acquisition		4,155,558
Interest component of expected cash flows		(986,959	)
Basis in acquired loans at acquisition – estimated fair value	$	3,168,599

Cardinal Financial Corporation [Member]

Schedule of Fair Value of Acquired Identifiable Assets and Liabilities Assumed

The consideration paid for Cardinal’s common equity and the amounts of acquired identifiable assets and liabilities assumed as of the Cardinal Acquisition Date were as follows:

Purchase price:
Value of common shares issued (23,690,589 shares)	$	972,499
Fair value of stock options assumed		2,741
Cash for fractional shares		14
Total purchase price		975,254
Identifiable assets:
Cash and cash equivalents		44,545
Investment securities		395,829
Loans held for sale		271,301
Loans		3,168,599
Premises and equipment		24,774
Core deposit intangibles		28,724
George Mason trade name intangible		1,080
Other assets		135,383
Total identifiable assets	$	4,070,235
Identifiable liabilities:
Deposits	$	3,349,812
Short-term borrowings		96,215
Long-term borrowings		220,119
Unfavorable lease liability		2,281
Other liabilities		39,474
Total identifiable liabilities		3,707,901
Fair value of net assets acquired including identifiable intangible assets		362,334
Resulting goodwill	$	612,920

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Investment Securities (Tables)

6 Months Ended

Jun. 30, 2018

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.

	June 30, 2018
			Gross		Gross		Estimated		Cumulative
	Amortized		Unrealized		Unrealized		Fair		OTTI in
	Cost		Gains		Losses		Value		AOCI (1)
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	144,867	$	8	$	1,060	$	143,815	$	0
State and political subdivisions		276,516		897		5,233		272,180		0
Residential mortgage-backed securities
Agency		913,926		766		24,562		890,130		0
Non-agency		4,306		487		0		4,793		86
Commercial mortgage-backed securities
Agency		513,212		127		11,936		501,403		0
Asset-backed securities		166,355		342		566		166,131		0
Trust preferred collateralized debt obligations		6,177		91		450		5,818		2,586
Single issue trust preferred securities		8,742		234		738		8,238		0
Other corporate securities		69,261		174		1,016		68,419		0
Total	$	2,103,362	$	3,126	$	45,561	$	2,060,927	$	2,672
	December 31, 2017
			Gross		Gross		Estimated		Cumulative
	Amortized		Unrealized		Unrealized		Fair		OTTI in
	Cost		Gains		Losses		Value		AOCI (1)
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	114,735	$	385	$	362	$	114,758	$	0
State and political subdivisions		303,101		3,197		2,429		303,869		0
Residential mortgage-backed securities
Agency		821,857		2,096		9,360		814,593		0
Non-agency		4,969		543		0		5,512		86
Commercial mortgage-backed securities
Agency		457,107		1,059		3,309		454,857		0
Asset-backed securities		109,829		148		7		109,970		0
Trust preferred collateralized debt obligations		37,856		542		4,129		34,269		20,770
Single issue trust preferred securities		13,417		368		1,225		12,560		0
Other corporate securities		28,101		407		18		28,490		0
Marketable equity securities		9,712		179		13		9,878		0
Total	$	1,900,684	$	8,924	$	20,852	$	1,888,756	$	20,856

(1) Non-credit related 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 June 30, 2018 and December 31, 2017.

	Less than 12 months				12 months or longer
	Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses
June 30, 2018
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	116,482	$	964	$	22,771	$	97
State and political subdivisions		137,435		1,710		57,150		3,524
Residential mortgage-backed securities
Agency		664,630		16,051		190,576		8,511
Non-agency		0		0		0		0
Commercial mortgage-backed securities
Agency		415,526		10,289		69,225		1,647
Asset-backed securities		75,437		566		0		0
Trust preferred collateralized debt obligations		0		0		2,050		450
Single issue trust preferred securities		0		0		4,980		737
Other corporate securities		51,304		1,015		0		0
Total	$	1,460,814	$	30,595	$	346,752	$	14,966
	Less than 12 months				12 months or longer
	Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses
December 31, 2017
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	36,678	$	230	$	22,920	$	132
State and political subdivisions		82,896		566		59,432		1,863
Residential mortgage-backed securities
Agency		460,414		4,621		182,482		4,739
Non-agency		0		0		0		0
Commercial mortgage-backed securities
Agency		282,858		2,386		70,763		923
Asset-backed securities		27,931		7		0		0
Trust preferred collateralized debt obligations		0		0		28,629		4,129
Single issue trust preferred securities		0		0		4,485		1,225
Other corporate securities		6,975		18		0		0
Marketable equity securities		0		0		363		13
Total	$	897,752	$	7,828	$	369,074	$	13,024

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 June  30				Six Months Ended June  30
	2018		2017		2018		2017
Proceeds from sales and calls	$	75,157	$	468,506	$	174,860	$	567,304
Gross realized gains		58		845		1,221		1,059
Gross realized losses		85		82		1,397		82

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 June  30				Six Months Ended June  30
	2018		2017		2018			2017
Balance of cumulative credit losses at beginning of period	$	3,199	$	22,162	$	18,060		$	22,162
Reductions for securities sold or paid off during the period		0		0		(14,861	)		0
Balance of cumulative credit losses at end of period	$	3,199	$	22,162	$	3,199		$	22,162

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:

	June 30, 2018
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	5,132	$	181	$	0	$	5,313
State and political subdivisions		5,798		9		0		5,807
Residential mortgage-backed securities
Agency		21		3		0		24
Single issue trust preferred securities		9,407		0		863		8,544
Other corporate securities		20		0		0		20
Total	$	20,378	$	193	$	863	$	19,708
	December 31, 2017
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	5,187	$	308	$	0	$	5,495
State and political subdivisions		5,797		10		0		5,807
Residential mortgage-backed securities
Agency		23		3		0		26
Single issue trust preferred securities		9,401		0		731		8,670
Other corporate securities		20		0		0		20
Total	$	20,428	$	321	$	731	$	20,018

Summary of Equity Securities

Prior to the adoption of ASU No. 2016-01 on January 1, 2018, equity securities were included in available for sale securities.

	Three Months Ended June  30, 2018			Six Months Ended June  30, 2018
Net gains (losses) recognized during the period	$	(28	)	$	(64	)
Net gains (losses) recognized during the period on equity securities sold		(4	)		(2	)
Unrealized gains recognized during the period on equity securities still held at period end		11			50
Unrealized losses recognized during the period on equity securities still held at period end		35			112

Available-for-sale Securities [Member]

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

Expected maturities may differ from contractual maturities because the issuers may have the right to call or prepay obligations without penalties.

	June 30, 2018				December 31, 2017
			Estimated				Estimated
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
Due in one year or less	$	68,381	$	68,272	$	50,311	$	50,212
Due after one year through five years		510,595		503,142		386,039		384,585
Due after five years through ten years		447,739		435,727		400,129		398,208
Due after ten years		1,076,647		1,053,786		1,054,493		1,045,873
Marketable equity securities		0		0		9,712		9,878
Total	$	2,103,362	$	2,060,927	$	1,900,684	$	1,888,756

Held-to-maturity Securities [Member]

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

Expected maturities may differ from contractual maturities because the issuers may have the right to call or prepay obligations without penalties.

	June 30, 2018				December 31, 2017
			Estimated				Estimated
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
Due in one year or less	$	2,000	$	2,000	$	0	$	0
Due after one year through five years		7,290		7,478		9,344		9,660
Due after five years through ten years		8,092		7,610		5,663		5,343
Due after ten years		2,996		2,620		5,421		5,015
Total	$	20,378	$	19,708	$	20,428	$	20,018

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Loans (Tables)

6 Months Ended

Jun. 30, 2018

Receivables [Abstract]

Major Classes of Loans

Major classes of loans are as follows:

	June 30, 2018		December 31, 2017
Commercial, financial and agricultural:
Owner-occupied commercial real estate	$	1,366,814	$	1,361,629
Nonowner-occupied commercial real estate		4,435,910		4,451,298
Other commercial loans		2,209,191		1,998,979
Total commercial, financial & agricultural		8,011,915		7,811,906
Residential real estate		3,300,472		2,996,171
Construction & land development		1,396,853		1,504,907
Consumer:
Bankcard		9,717		10,314
Other consumer		810,051		704,039
Total gross loans	$	13,529,008	$	13,027,337

Activity for Accretable Yield

Activity for the accretable yield for the first six months of 2018 follows:

Accretable yield at the beginning of the period	$	39,098
Accretion (including cash recoveries)		(8,371	)
Additions		0
Net reclassifications to accretable from non-accretable		9,803
Disposals (including maturities, foreclosures, and charge-offs)		(3,323	)
Accretable yield at the end of the period	$	37,207

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Credit Quality (Tables)

6 Months Ended

Jun. 30, 2018

Text Block [Abstract]

Schedule of Troubled Debt Restructurings, Segregated by Class of Loans

The following table sets forth United’s troubled debt restructurings that have been restructured during the three months ended June 30, 2018 and 2017, segregated by class of loans:

	Troubled Debt Restructurings
	For the Three Months Ended
	June 30, 2018						June 30, 2017
	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		1	$	5,333	$	5,333
Nonowner-occupied		0		0		0		0		0		0
Other commercial		4		9,571		9,571		4		21,355		21,355
Residential real estate		2		6,953		6,953		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		6	$	16,524	$	16,524		5	$	26,688	$	26,688

The following table sets forth United’s troubled debt restructurings that have been restructured during the six months ended June 30, 2018 and 2017, segregated by class of loans:

	Troubled Debt Restructurings
	For the Six Months Ended
	June 30, 2018						June 30, 2017
	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		1	$	5,333	$	5,333
Nonowner-occupied		0		0		0		0		0		0
Other commercial		4		9,571		9,571		8		24,107		24,032
Residential real estate		2		6,953		6,953		0		0		0
Construction & land development		0		0		0		1		1,456		1,437
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		0		0		0		0		0		0
Total		6	$	16,524	$	16,524		10	$	30,896	$	30,802

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 June 30, 2018

	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	$	13,261	$	18,602	$	31,863	$	1,334,951	$	1,366,814	$	1,377
Nonowner-occupied		14,118		16,924		31,042		4,404,868		4,435,910		1,301
Other commercial		9,598		54,562		64,160		2,145,031		2,209,191		2,313
Residential real estate		37,135		28,705		65,840		3,234,632		3,300,472		9,866
Construction & land development		2,910		17,345		20,255		1,376,598		1,396,853		802
Consumer:
Bankcard		427		165		592		9,125		9,717		165
Other consumer		6,618		969		7,587		802,464		810,051		682
Total	$	84,067	$	137,272	$	221,339	$	13,307,669	$	13,529,008	$	16,506

(1) Other includes loans with a recorded investment of $168,497 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, 2017

(In thousands)	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	$	7,968	$	13,663	$	21,631	$	1,339,998	$	1,361,629	$	458
Nonowner-occupied		10,398		20,448		30,846		4,420,452		4,451,298		634
Other commercial		11,533		68,476		80,009		1,918,970		1,998,979		940
Residential real estate		35,300		28,637		63,937		2,932,234		2,996,171		6,519
Construction & land development		1,615		17,190		18,805		1,486,102		1,504,907		385
Consumer:
Bankcard		449		186		635		9,679		10,314		186
Other consumer		9,288		968		10,256		693,783		704,039		775
Total	$	76,551	$	149,568	$	226,119	$	12,801,218	$	13,027,337	$	9,897

(1) Other includes loans with a recorded investment of $210,521 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

	June  30, 2018		December 31, 2017
Commercial real estate:
Owner-occupied	$	17,225	$	13,205
Nonowner-occupied		15,623		19,814
Other commercial		52,249		67,536
Residential real estate		18,839		22,118
Construction & land development		16,543		16,805
Consumer:
Bankcard		0		0
Other consumer		287		193
Total	$	120,766	$	139,671

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 June 30, 2018
	Commercial Real Estate				Other Commercial		Construction & Land Development
	Owner- occupied		Nonowner- occupied
Grade:
Pass	$	1,279,444	$	4,282,361	$	2,100,084	$	1,312,907
Special mention		31,737		56,404		16,523		4,402
Substandard		55,633		97,145		89,566		79,544
Doubtful		0		0		3,018		0
Total	$	1,366,814	$	4,435,910	$	2,209,191	$	1,396,853
As of December 31, 2017
	Commercial Real Estate				Other Commercial		Construction & Land Development
	Owner- occupied		Nonowner- occupied
Grade:
Pass	$	1,276,088	$	4,312,985	$	1,848,868	$	1,413,706
Special mention		20,165		57,618		55,564		5,196
Substandard		65,376		80,695		90,625		86,005
Doubtful		0		0		3,922		0
Total	$	1,361,629	$	4,451,298	$	1,998,979	$	1,504,907

Credit Quality Indicators

Consumer Credit Exposure

As of June 30, 2018
	Residential Real Estate		Bankcard		Other Consumer
Grade:
Pass	$	3,239,999	$	9,125	$	802,394
Special mention		25,077		427		6,671
Substandard		35,396		165		986
Doubtful		0		0		0
Total	$	3,300,472	$	9,717	$	810,051
As of December 31, 2017
	Residential Real Estate		Bankcard		Other Consumer
Grade:
Pass	$	2,945,266	$	9,679	$	693,727
Special mention		18,025		449		9,334
Substandard		32,880		186		978
Doubtful		0		0		0
Total	$	2,996,171	$	10,314	$	704,039

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
	June 30, 2018						December 31, 2017
	Recorded Investment		Unpaid Principal Balance		Related Allowance		Recorded Investment		Unpaid Principal Balance		Related Allowance
With no related allowance recorded:
Commercial real estate:
Owner-occupied	$	72,883	$	73,343	$	0	$	78,117	$	78,419	$	0
Nonowner-occupied		99,098		99,159		0		134,136		134,195		0
Other commercial		52,375		61,377		0		46,993		49,552		0
Residential real estate		24,315		25,078		0		26,751		28,202		0
Construction & land development		45,497		50,132		0		52,279		59,691		0
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		23		23		0		15		15		0
With an allowance recorded:
Commercial real estate:
Owner-occupied	$	4,766	$	4,766	$	978	$	9,132	$	9,132	$	2,251
Nonowner-occupied		10,463		10,463		1,693		7,797		7,797		1,592
Other commercial		44,671		50,278		14,676		60,512		70,396		16,721
Residential real estate		12,097		13,539		1,460		9,813		10,418		1,552
Construction & land development		2,001		4,654		277		1,383		1,383		229
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		0		0		0		0		0		0
Total:
Commercial real estate:
Owner-occupied	$	77,649	$	78,109	$	978	$	87,249	$	87,551	$	2,251
Nonowner-occupied		109,561		109,622		1,693		141,933		141,992		1,592
Other commercial		97,046		111,655		14,676		107,505		119,948		16,721
Residential real estate		36,412		38,617		1,460		36,564		38,620		1,552
Construction & land development		47,498		54,786		277		53,662		61,074		229
Consumer:
Bankcard		0		0		0		0		0		0
Other consumer		23		23		0		15		15		0

	Impaired Loans
	For the Three Months Ended
	June 30, 2018				June 30, 2017
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
With no related allowance recorded:
Commercial real estate:
Owner-occupied	$	74,330	$	354	$	69,670	$	412
Nonowner-occupied		108,343		159		109,003		168
Other commercial		52,384		246		58,597		226
Residential real estate		24,220		85		20,713		54
Construction & land development		46,909		98		36,182		83
Consumer:
Bankcard		0		0		0		0
Other consumer		32		0		36		0
With an allowance recorded:
Commercial real estate:
Owner-occupied	$	5,319	$	6	$	14,102	$	159
Nonowner-occupied		9,503		60		14,147		12
Other commercial		46,376		10		72,568		157
Residential real estate		11,992		11		15,485		34
Construction & land development		2,008		20		2,587		21
Consumer:
Bankcard		0		0		0		0
Other consumer		0		0		0		0
Total:
Commercial real estate:
Owner-occupied	$	79,649	$	360	$	83,772	$	571
Nonowner-occupied		117,846		219		123,150		180
Other commercial		98,760		256		131,165		383
Residential real estate		36,212		96		36,198		88
Construction & land development		48,917		118		38,769		104
Consumer:
Bankcard		0		0		0		0
Other consumer		32		0		36		0

	Impaired Loans
	For the Six Months Ended
	June 30, 2018				June 30, 2017
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
With no related allowance recorded:
Commercial real estate:
Owner-occupied	$	75,592	$	739	$	62,615	$	837
Nonowner-occupied		116,941		328		105,045		347
Other commercial		50,587		470		53,076		496
Residential real estate		25,064		180		21,468		103
Construction & land development		48,699		197		35,903		164
Consumer:
Bankcard		0		0		0		0
Other consumer		26		0		36		0
With an allowance recorded:
Commercial real estate:
Owner-occupied	$	6,590	$	31	$	9,997	$	318
Nonowner-occupied		8,934		119		15,411		87
Other commercial		51,088		28		63,783		622
Residential real estate		11,266		21		14,345		83
Construction & land development		1,800		40		3,372		42
Consumer:
Bankcard		0		0		0		0
Other consumer		0		0		0		0
Total:
Commercial real estate:
Owner-occupied	$	82,182	$	770	$	72,612	$	1,155
Nonowner-occupied		125,875		447		120,456		434
Other commercial		101,675		498		116,859		1,118
Residential real estate		36,330		201		35,813		186
Construction & land development		50,499		237		39,275		206
Consumer:
Bankcard		0		0		0		0
Other consumer		26		0		36		0

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Allowance for Credit Losses (Tables)

6 Months Ended

Jun. 30, 2018

Receivables [Abstract]

Schedule of Allowance for Loan Losses and Carrying Amount of Loans

A progression of the allowance for loan losses, by portfolio segment, for the periods indicated is summarized as follows:

Allowance for Loan Losses

For the Three Months Ended June 30, 2018

	Commercial Real Estate										Construction				Allowance for
	Owner- occupied			Nonowner- occupied			Other Commercial		Residential Real Estate		& Land Development		Consumer		Estimated Imprecision			Total
Allowance for Loan Losses:
Beginning balance	$	3,719		$	6,774		$	46,917	$	10,253	$	6,429	$	2,391	$	170		$	76,653
Charge-offs		728			314			5,795		82		72		721		0			7,712
Recoveries		690			17			984		94		9		196		0			1,990
Provision		(468	)		(294	)		6,085		115		226		553		(13	)		6,204
Ending balance	$	3,213		$	6,183		$	48,191	$	10,380	$	6,592	$	2,419	$	157		$	77,135

Allowance for Loan Losses and Carrying Amount of Loans

For the Six Months Ended June 30, 2018

	Commercial Real Estate										Construction					Allowance for
	Owner- occupied			Nonowner- occupied			Other Commercial		Residential Real Estate		& Land Development			Consumer		Estimated Imprecision		Total
Allowance for Loan Losses:
Beginning balance	$	5,401		$	6,369		$	45,189	$	9,927	$	7,187		$	2,481	$	73	$	76,627
Charge-offs		1,743			314			8,663		992		532			1,326		0		13,570
Recoveries		745			153			1,090		358		11			339		0		2,696
Provision		(1,190	)		(25	)		10,575		1,087		(74	)		925		84		11,382
Ending balance	$	3,213		$	6,183		$	48,191	$	10,380	$	6,592		$	2,419	$	157	$	77,135
Ending Balance: individually evaluated for impairment	$	978		$	1,693		$	14,676	$	1,460	$	277		$	0	$	0	$	19,084
Ending Balance: collectively evaluated for impairment	$	2,235		$	4,490		$	33,515	$	8,920	$	6,315		$	2,419	$	157	$	58,051
Ending Balance: loans acquired with deteriorated credit quality	$	0		$	0		$	0	$	0	$	0		$	0	$	0	$	0
Financing receivables:
Ending balance	$	1,366,814		$	4,435,910		$	2,209,191	$	3,300,472	$	1,396,853		$	819,768	$	0	$	13,529,008
Ending Balance: individually evaluated for impairment	$	30,134		$	21,653		$	79,980	$	15,185	$	16,892		$	0	$	0	$	163,844
Ending Balance: collectively evaluated for impairment	$	1,305,807		$	4,337,381		$	2,103,205	$	3,272,737	$	1,357,792		$	819,745	$	0	$	13,196,667
Ending Balance: loans acquired with deteriorated credit quality	$	30,873		$	76,876		$	26,006	$	12,550	$	22,169		$	23	$	0	$	168,497

Allowance for Loan Losses and Carrying Amount of Loans

For the Year Ended December 31, 2017

	Commercial Real Estate											Construction					Allowance for
	Owner- occupied			Nonowner- occupied			Other Commercial		Residential Real Estate			& Land Development			Consumer		Estimated Imprecision			Total
Allowance for Loan Losses:
Beginning balance	$	5,273		$	6,883		$	33,087	$	13,770		$	10,606		$	2,805	$	347		$	72,771
Charge-offs		2,246			296			21,189		2,973			3,337			2,822		0			32,863
Recoveries		2,599			244			3,395		601			726			748		0			8,313
Provision		(225	)		(462	)		29,896		(1,471	)		(808	)		1,750		(274	)		28,406
Ending balance	$	5,401		$	6,369		$	45,189	$	9,927		$	7,187		$	2,481	$	73		$	76,627
Ending Balance: individually evaluated for impairment	$	2,251		$	1,592		$	16,721	$	1,552		$	229		$	0	$	0		$	22,345
Ending Balance: collectively evaluated for impairment	$	3,150		$	4,777		$	28,468	$	8,375		$	6,958		$	2,481	$	73		$	54,282
Ending Balance: loans acquired with deteriorated credit quality	$	0		$	0		$	0	$	0		$	0		$	0	$	0		$	0
Financing receivables:
Ending balance	$	1,361,629		$	4,451,298		$	1,998,979	$	2,996,171		$	1,504,907		$	714,353	$	0		$	13,027,337
Ending Balance: individually evaluated for impairment	$	36,721		$	21,851		$	78,715	$	14,316		$	16,921		$	0	$	0		$	168,524
Ending Balance: collectively evaluated for impairment	$	1,291,379		$	4,320,997		$	1,892,706	$	2,967,666		$	1,461,206		$	714,338	$	0		$	12,648,292
Ending Balance: loans acquired with deteriorated credit quality	$	33,529		$	108,450		$	27,558	$	14,189		$	26,780		$	15	$	0		$	210,521

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Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2018

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:

	June 30, 2018
	Community Banking					Mortgage Banking					Total
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Amortized intangible assets:
Core deposit intangible assets	$	98,359	($	58,473	)	$	0	($	0	)	$	98,359	($	58,473	)
Non-amortized intangible assets:
George Mason trade name	$	0				$	1,080				$	1,080
Goodwill not subject to amortization	$	1,472,699				$	5,315				$	1,478,014

	December 31, 2017
	Community Banking					Mortgage Banking				Total
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Amortized intangible assets:
Core deposit intangible assets	$	98,359	($	54,453	)	$	0	$	0	$	98,359	($	54,453	)
Non-amortized intangible assets:
George Mason trade name	$	0				$	1,080			$	1,080
Goodwill not subject to amortization	$	1,473,265				$	5,115			$	1,478,380

Reconciliation of Goodwill

The following table provides a reconciliation of goodwill:

	Community Banking			Mortgage Banking		Total
Goodwill at December 31, 2017	$	1,473,265		$	5,115	$	1,478,380
Addition to goodwill from Cardinal acquisition		(566	)		200		(366	)
Goodwill at June 30, 2018	$	1,472,699		$	5,315	$	1,478,014

Schedule of Anticipated Amortization Expense

The following table sets forth the anticipated amortization expense for intangible assets for the years subsequent to 2017:

Year	Amount
2018	$	8,039
2019		7,016
2020		6,309
2021		5,369
2022 and thereafter		17,173

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Long-Term Borrowings (Tables)

6 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Schedule of Maturities of Long-term Borrowings

The scheduled maturities of these FHLB borrowings are as follows:

Year	Amount
2018	$	1,246,776
2019		187,370
2020		41,896
2021		52,547
2022 and thereafter		31,776
Total	$	1,560,365

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Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Notional Amount and Fair Value of Derivative Financial Instruments

The following tables disclose the derivative instruments’ location on the Company’s Consolidated Balance Sheets and the notional amount and fair value of those instruments at June 30, 2018 and December 31, 2017.

	Asset Derivatives
	June 30, 2018						December 31, 2017
	Balance Sheet Location		Notional Amount		Fair Value		Balance Sheet Location		Notional Amount		Fair Value
Derivatives designated as hedging instruments Fair Value Hedges:
Interest rate swap contracts (hedging commercial loans)		Other assets	$	87,672	$	3,329		Other assets	$	71,831	$	538
Total derivatives designated as hedging instruments			$	87,672	$	3,329			$	71,831	$	538
Derivatives not designated as hedging instruments
Forward loan sales commitments		Other assets	$	22,107	$	112		Other assets	$	31,024	$	2
Interest rate lock commitments		Other assets		182,030		6,541		Other assets		148,866		4,559
Total derivatives not designated as hedging instruments			$	204,137	$	6,653			$	179,890	$	4,561
Total asset derivatives			$	291,809	$	9,982			$	251,721	$	5,099
	Liability Derivatives
	June 30, 2018						December 31, 2017
	Balance Sheet Location		Notional Amount		Fair Value		Balance Sheet Location		Notional Amount		Fair Value
Derivatives designated as hedging instruments Fair Value Hedges:
Interest rate swap contracts (hedging commercial loans)		Other liabilities	$	0	$	0		Other liabilities	$	18,795	$	165
Total derivatives designated as hedging instruments			$	0	$	0			$	18,795	$	165
Derivatives not designated as hedging instruments
TBA mortgage-backed securities		Other liabilities	$	343,000	$	1,422		Other liabilities	$	236,500	$	312
Interest rate lock commitments		Other liabilities		0		0		Other liabilities		0		0
Total derivatives not designated as hedging instruments			$	343,000	$	1,422			$	236,500	$	312
Total liability derivatives			$	343,000	$	1,422			$	255,295	$	477

Schedule of Derivative Financial Instruments on Statement of Income

The effect of United’s derivative financial instruments on its unaudited Consolidated Statements of Income for the three and six months ended June 30, 2018 and 2017 are presented as follows:

			Three Months Ended
	Income  Statement Location		June 30, 2018			June 30, 2017
Derivatives in hedging relationships Fair Value Hedges:
Interest rate swap contracts		Interest income/(expense)	$	24		$	(282	)
Total derivatives in hedging relationships			$	24		$	(282	)
Derivatives not designated as hedging instruments
Forward loan sales commitments		Income from Mortgage Banking Activities		112			(170	)
TBA mortgage-backed securities		Income from Mortgage Banking Activities		(660	)		2,784
Interest rate lock commitments		Income from Mortgage Banking Activities		2,888			1,019
Total derivatives not designated as hedging instruments			$	2,340		$	3,633
Total derivatives			$	2,364		$	3,351
			Six Months Ended
	Income Statement Location		June 30, 2018			June 30, 2017
Derivatives in fair value hedging relationships Fair Value Hedges:
Interest rate swap contracts		Interest income/(expense)	$	(18	)	$	(440	)
Cash Flow Hedges:
Forward loan sales commitments		Other income		0			0
Total derivatives in hedging relationships			$	(18	)	$	(440	)
Derivatives not designated as hedging instruments
Forward loan sales commitments		Income from Mortgage Banking Activities		185			(170	)
TBA mortgage-backed securities		Income from Mortgage Banking Activities		(1,110	)		2,784
Interest rate lock commitments		Income from Mortgage Banking Activities		1,619			1,019
Total derivatives not designated as hedging instruments			$	694		$	3,633
Total derivatives			$	676		$	3,193

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Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2018

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 June 30, 2018 and December 31, 2017, segregated by the level of the valuation inputs within the fair value hierarchy.

			Fair Value at June 30, 2018 Using
Description	Balance as of June  30, 2018		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 securities:
U.S. Treasury securities and obligations of U.S. Government corporations and agencies	$	143,815	$	0	$	143,815	$	0
State and political subdivisions		272,180		0		272,180		0
Residential mortgage-backed securities
Agency		890,129		0		890,129		0
Non-agency		4,794		0		4,794		0
Commercial mortgage-backed securities
Agency		501,403		0		501,403		0
Asset-backed securities		166,131		0		166,131		0
Trust preferred collateralized debt obligations		5,818		0		0		5,818

			Fair Value at June 30, 2018 Using
Description	Balance as of June  30, 2018		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Single issue trust preferred securities		8,238		0		8,238		0
Other corporate securities		68,419		6,940		61,479		0
Total available for sale securities		2,060,927		6,940		2,048,169		5,818
Equity securities:
Financial services industry		175		175		0		0
Equity mutual funds (1)		4,856		4,856		0		0
Other equity securities		4,633		4,633		0		0
Total equity securities		9,664		9,664		0		0
Loans held for sale		282,439		0		0		282,439
Derivative financial assets:
Interest rate swap contracts		3,329		0		3,329		0
Forward sales commitments		112		0		112		0
Interest rate lock commitments		6,541		0		0		6,541
Total derivative financial assets		9,982		0		3,441		6,541
Liabilities
Derivative financial liabilities:
TBA mortgage-backed securities		1,422		0		1,422		0
Total derivative financial liabilities		1,422		0		1,422		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, 2017 Using
Description	Balance as of December 31, 2017		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	$	114,758	$	0	$	114,758	$	0
State and political subdivisions		303,869		0		303,869		0
Residential mortgage-backed securities
Agency		814,593		0		814,593		0
Non-agency		5,512		0		5,512		0
Commercial mortgage-backed securities Agency		454,857		0		454,857		0
Asset-backed securities		109,970		0		109,970		0
Trust preferred collateralized debt obligations		34,269		0		0		34,269
Single issue trust preferred securities		12,560		0		12,560		0
Other corporate securities		28,490		0		28,490		0
Total available for sale debt securities		1,878,878		0		1,844,609		34,269
Available for sale equity securities:
Financial services industry		3,545		331		3,214		0
Equity mutual funds (1)		6,332		6,332		0		0
Other equity securities		1		1		0		0
Total available for sale equity securities		9,878		6,664		3,214		0
Total available for sale securities		1,888,756		6,664		1,847,823		34,269
Loans held for sale		263,308		0		0		263,308
Derivative financial assets:
Interest rate swap contracts		538		0		538		0
Interest rate lock commitments		4,561		0		2		4,559
Total derivative financial assets		5,099		0		540		4,559
Liabilities
Derivative financial liabilities:
Interest rate swap contracts		165		0		165		0
TBA mortgage-backed securities		312		0		312		0
Total derivative financial liabilities		477		0		477		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 June 30, 2018 and December 31, 2017 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
	June 30, 2018			December 31, 2017
Balance, beginning of period	$	34,269		$	33,552
Total gains or losses (realized/unrealized):
Included in earnings (or changes in net assets)		28			9
Included in other comprehensive income		821			8,757
Purchases, issuances, and settlements		0			0
Sales		(29,300	)		(8,049	)
Transfers in and/or out of Level 3		0			0
Balance, end of period	$	5,818		$	34,269
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

	Loans held for sale
	June 30, 2018			December 31, 2017
Balance, beginning of period	$	263,308		$	0
Acquired in Cardinal merger		0			271,301
Originations		1,448,225			2,333,927
Sales		(1,440,029	)		(2,408,945	)
Total gains or losses during the period recognized in earnings		38,351			58,132
Transfers in and/or out of Level 3		(27,416	)		8,893
Balance, end of period	$	282,439		$	263,308
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

	Derivative Financial  Assets Interest Rate Lock Commitments
	June 30, 2018		December 31, 2017
Balance, beginning of period	$	4,559	$	0
Acquired in Cardinal merger		0		10,393
Transfers other		1,982		(5,834	)
Balance, end of period	$	6,541	$	4,559
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

Schedule of Changes in Fair Value Included in Earnings of Financial Instruments for which Fair Value Option has been Elected

The following table reflects the change in fair value included in earnings of financial instruments for which the fair value option has been elected:

Description	Three Months Ended June  30, 2018		Three Months Ended June  30, 2017
Assets
Loans held for sale
Income from mortgage banking activities	$	3,929	$	(2,439	)
Description	Six Months Ended June 30, 2018		Six Months Ended June 30, 2017
Assets
Loans held for sale
Income from mortgage banking activities	$	3,092	$	(2,439	)

Summary of Difference Between Aggregate Fair Value and Remaining Contractual Principal Outstanding for Financial Instruments for which Fair Value Option has been Elected

The following table reflects the difference between the aggregate fair value and the remaining contractual principal outstanding for financial instruments for which the fair value option has been elected:

	June 30, 2018						December 31, 2017
Description	Unpaid Principal Balance		Fair Value		Fair Value Over/(Under) Unpaid Principal Balance		Unpaid Principal Balance		Fair Value		Fair Value Over/(Under) Unpaid Principal Balance
Assets
Loans held for sale	$	275,693	$	282,439	$	6,746	$	257,674	$	263,308	$	5,634

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:

			Carrying value at June 30, 2018
Description	Balance as of June  30, 2018		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		YTD Losses
Assets
Loans held for sale	$	2,755	$	0	$	2,755	$	0	$	0
Impaired Loans		73,997		0		65,174		8,823		1,581
OREO		21,926		0		21,747		179		825
			Carrying value at December 31, 2017
Description	Balance as of December 31, 2017		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		YTD Losses
Assets
Loans held for sale	$	2,647	$	0	$	2,647	$	0	$	14
Impaired Loans		88,637		0		70,950		17,687		12,291
OREO		24,348		0		24,151		197		4,200

Summary of Estimated Fair Values of Financial Instruments

The estimated fair values of United’s financial instruments, including those measured at amortized cost on the balance sheet, 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)
June 30, 2018
Cash and cash equivalents	$	1,092,926	$	1,092,926	$	0	$	1,092,926	$	0
Securities available for sale		2,060,927		2,060,927		6,940		2,048,169		5,818
Securities held to maturity		20,378		19,708		0		19,708		0
Equity securities		9,664		9,664		9,664		0		0
Other securities		175,334		166,568		0		0		166,568
Loans held for sale		285,194		285,194		0		2,755		282,439
Loans		13,439,494		12,582,256		0		0		12,582,256
Derivative financial assets		9,882		9,882		0		3,441		6,541
Deposits		13,830,766		13,789,447		0		13,789,447		0
Short-term borrowings		199,507		199,507		0		199,507		0
Long-term borrowings		1,794,641		1,767,186		0		1,767,186		0
Derivative financial liabilities		1,422		1,422		0		1,422		0
December 31, 2017
Cash and cash equivalents	$	1,666,167	$	1,666,167	$	0	$	1,666,167	$	0
Securities available for sale		1,888,756		1,888,756		6,664		1,847,823		34,269
Securities held to maturity		20,428		20,018		0		16,998		3,020
Other securities		162,461		154,338		0		0		154,338
Loans held for sale		265,955		265,955		0		2,647		263,308
Loans		12,934,794		12,437,797		0		0		12,437,797
Derivative financial assets		5,099		5,099		0		540		4,559
Deposits		13,830,591		14,024,720		0		14,024,720		0
Short-term borrowings		477,587		477,587		0		477,587		0
Long-term borrowings		1,363,977		1,338,754		0		1,338,754		0
Derivative financial liabilities		477		477		0		477		0

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Stock Based Compensation (Tables)

6 Months Ended

Jun. 30, 2018

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 June 30, 2018, and the changes during the first six months of 2018 are presented below:

	Six Months Ended June 30, 2018
						Weighted Average
	Shares			Aggregate Intrinsic Value		Remaining Contractual Term (Yrs.)		Exercise Price
Outstanding at January 1, 2018		1,558,438						$	31.09
Granted		276,192							37.60
Exercised		(42,089	)						21.72
Forfeited or expired		(15,389	)						33.17
Outstanding at June 30, 2018		1,777,152		$	9,902,605		6.0	$	32.30
Exercisable at June 30, 2018		1,191,092		$	9,780,319		4.6	$	28.73

Changes to United's Restricted Common Shares

The following table summarizes the status of United’s nonvested stock option awards during the first six months of 2018:

	Shares			Weighted-Average Grant Date Fair Value Per Share
Nonvested at January 1, 2018		507,871		$	7.89
Granted		276,192			7.56
Vested		(187,815	)		7.53
Forfeited or expired		(10,188	)		7.61
Nonvested at June 30, 2018		586,060		$	7.86

Status of United's Nonvested Stock Option Awards

The following summarizes the changes to United’s restricted common shares for the period ended June 30, 2018:

	Number of Shares			Weighted-Average Grant Date Fair Value Per Share
Outstanding at January 1, 2018		170,496		$	40.05
Granted		97,004			37.60
Vested		(62,411	)		37.59
Forfeited		(2,853	)		37.97
Outstanding at June 30, 2018		202,236		$	39.66

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Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2018

Retirement Benefits [Abstract]

Net Periodic Pension Cost

Net periodic pension cost for the three and six months ended June 30, 2018 and 2017 included the following components:

	Three Months Ended June 30						Six Months Ended June 30
	2018			2017			2018			2017
Service cost	$	666		$	569		$	1,324		$	1,131
Interest cost		1,308			1,279			2,603			2,544
Expected return on plan assets		(2,551	)		(2,049	)		(5,073	)		(4,076	)
Recognized net actuarial loss		1,162			1,100			2,311			2,187
Net periodic pension (benefit) cost	$	585		$	899		$	1,165		$	1,786
Weighted-Average Assumptions:
Discount rate		3.83	%		4.49	%		3.83	%		4.49	%
Expected return on assets		7.00	%		7.00	%		7.00	%		7.00	%
Rate of compensation increase (prior to age 45)		3.50	%		3.50	%		3.50	%		3.50	%
Rate of compensation increase		3.00	%		3.00	%		3.00	%		3.00	%

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Comprehensive Income (Tables)

6 Months Ended

Jun. 30, 2018

Equity [Abstract]

Components of Total Comprehensive Income

The components of total comprehensive income for the three and six months ended June 30, 2018 and 2017 are as follows:

	Three Months Ended						Six Months Ended
	June 30						June 30
	2018			2017			2018			2017
Net Income	$	66,274		$	37,059		$	127,980		$	75,868
Available for sale (“AFS”) securities:
AFS securities with OTTI charges during the period		0			(16	)		0			(60	)
Related income tax effect		0			6			0			22
Less: OTTI charges recognized in net income		0			16			0			60
Related income tax benefit		0			(6	)		0			(22	)
Reclassification of previous noncredit OTTI to credit OTTI		0			0			0			0
Related income tax benefit		0			(0	)		0			(0	)
Net unrealized (losses) gains on AFS securities with OTTI		0			0			0			0
AFS securities – all other:
Change in net unrealized gain on AFS securities arising during the period		(10,684	)		5,686			(32,701	)		11,262
Related income tax effect		4,162			(2,104	)		9,292			(4,167	)
Net reclassification adjustment for (gains) losses included in net income		27			(763	)		176			(977	)
Related income tax expense (benefit)		(6	)		282			(41	)		361
		(6,501	)		3,101			(23,274	)		6,479
Net effect of AFS securities on other comprehensive income		(6,501	)		3,101			(23,274	)		6,479
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		2			2			4			4
Related income tax expense		(1	)		(1	)		(2	)		(2	)
Net effect of HTM securities on other comprehensive income		1			1			2			2
Pension plan:
Recognized net actuarial loss		1,162			1,100			2,311			2,187
Related income tax benefit		(110	)		(405	)		(526	)		(797	)
Net effect of change in pension plan asset on other comprehensive income		1,052			695			1,785			1,390
Total change in other comprehensive income		(5,448	)		3,797			(21,487	)		7,871
Total Comprehensive Income	$	60,826		$	40,856		$	106,493		$	83,739

Components of Accumulated Other Comprehensive Income

The components of accumulated other comprehensive income for the six months ended June 30, 2018 are as follows:

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

For the Six Months Ended June 30, 2018

	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, 2018	($	6,204	)	($	46	)	($	35,775	)	($	42,025	)
Cumulative effect of adopting Accounting Standard Update 2016-01		(136	)		0			0			(136	)
Reclass due to adopting Accounting Standard Update 2018-02		(1,632	)		0			(4,721	)		(6,353	)
Other comprehensive income before reclassification		(23,409	)		2			0			(23,407	)
Amounts reclassified from accumulated other comprehensive income		135			0			1,785			1,920
Net current-period other comprehensive income, net of tax		(23,274	)		2			1,785			(21,487	)
Balance at June 30, 2018	($	31,246	)	($	44	)	($	38,711	)	($	70,001	)

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

Reclassifications Out of Accumulated Other Comprehensive Income

Reclassifications out of Accumulated Other Comprehensive Income (AOCI)

For the Six Months Ended June 30, 2018

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		Net investment securities (losses) gains
Net reclassification adjustment for losses (gains) included in net income		176		Net investment securities (losses) gains
		176		Total before tax
Related income tax effect		(41	)	Tax expense
		135		Net of tax
Pension plan:
Recognized net actuarial loss		2,311	(a)
		2,311		Total before tax
Related income tax effect		(526	)	Tax expense
		1,785		Net of tax
Total reclassifications for the period	$	1,920

(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)

6 Months Ended

Jun. 30, 2018

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				Six Months Ended
	June 30				June 30
	2018		2017		2018		2017
Distributed earnings allocated to common stock	$	35,516	$	34,562	$	71,195	$	61,284
Undistributed earnings allocated to common stock		30,637		2,440		56,557		14,454
Net earnings allocated to common shareholders	$	66,153	$	37,002	$	127,752	$	75,738
Average common shares outstanding		104,682,910		99,197,807		104,770,681		90,100,627
Equivalents from stock options		269,878		422,238		287,333		469,662
Average diluted shares outstanding		104,952,788		99,620,045		105,058,014		90,570,289
Earnings per basic common share	$	0.63	$	0.37	$	1.22	$	0.84
Earnings per diluted common share	$	0.63	$	0.37	$	1.22	$	0.84

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Variable Interest Entities (Tables)

6 Months Ended

Jun. 30, 2018

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
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
Cardinal Statutory Trust I	July 27, 2004	$	20,000	3-month LIBOR + 2.40%	September 15, 2034
UFBC Capital Trust I	December 30, 2004	$	5,000	3-month LIBOR + 2.10%	March 15, 2035

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 June 30, 2018						As of December 31, 2017
	Aggregate Assets		Aggregate Liabilities		Risk Of Loss (1)		Aggregate Assets		Aggregate Liabilities		Risk Of Loss (1)
Trust preferred securities	$	257,518	$	248,629	$	8,889	$	266,669	$	257,674	$	8,995

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Segment Information (Tables)

6 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Summary of Segment Reporting Information

Information about the reportable segments and reconciliation of this information to the consolidated financial statements at and for the three and six months ended June 30, 2018 and 2017 is as follows:

	At and For the Three Months Ended June 30, 2018
	Community Banking		Mortgage Banking		Other			Intersegment Eliminations			Consolidated
Net interest income	$	149,448	$	264	$	(3,032	)	$	2,442		$	149,122
Provision for loans losses		6,204		0		0			0			6,204
Other income		17,465		23,468		68			(4,994	)		36,007
Other expense		76,495		21,225		(1,758	)		(2,552	)		93,410
Income taxes		18,948		564		(271	)		0			19,241
Net income (loss)	$	65,266	$	1,943	$	(935	)	$	0		$	66,274
Total assets (liabilities)	$	19,112,133	$	388,292	$	10,895		$	(303,717	)	$	19,207,603
Average assets (liabilities)		18,658,168		335,781		6,776			(288,341	)		18,712,384

	At and For the Three Months Ended June 30, 2017
	Community Banking		Mortgage Banking			Other			Intersegment Eliminations			Consolidated
Net interest income	$	138,498	$	90		$	(2,343	)	$	0		$	136,245
Provision for loans losses		8,251		0			0			0			8,251
Other income		18,223		22,393			(110	)		0			40,506
Other expense		78,631		18,708			14,798			0			112,137
Income taxes		23,920		1,293			(5,909	)		0			19,304
Net income (loss)	$	45,919	$	2,482		$	(11,342	)	$	0		$	37,059
Total assets (liabilities)	$	18,984,921	$	382,086		$	(4,807	)	$	(326,600	)	$	19,035,600
Average assets (liabilities)		18,070,305		236,074			(20,180	)		(103,184	)		18,183,015
	At and For the Six Months Ended June 30, 2018
	Community Banking		Mortgage Banking			Other			Intersegment Eliminations			Consolidated
Net interest income	$	295,070	$	640		$	(5,626	)	$	3,081		$	293,165
Provision for loans losses		11,382		0			0			0			11,382
Other income		35,235		38,351			(754	)		(5,633	)		67,199
Other expense		148,986		39,609			(2,181	)		(2,552	)		183,862
Income taxes		38,224		(139	)		(945	)		0			37,140
Net income (loss)	$	131,713	$	(479	)	$	(3,254	)	$	0		$	127,980
Total assets (liabilities)	$	19,112,133	$	388,292		$	10,895		$	(303,717	)	$	19,207,603
Average assets (liabilities)		18,583,975		274,211			9,231			(238,796	)		18,628,621
	At and For the Six Months Ended June 30, 2017
	Community Banking		Mortgage Banking			Other			Intersegment Eliminations			Consolidated
Net interest income	$	248,158	$	90		$	(4,383	)	$	0		$	243,865
Provision for loans losses		14,150		0			0			0			14,150
Other income		35,036		22,393			3,223			0			60,652
Other expense		141,383		18,708			14,888			0			174,979
Income taxes		43,724		1,293			(5,497	)		0			39,520
Net income (loss)	$	83,937	$	2,482		$	(10,551	)	$	0		$	75,868
Total assets (liabilities)	$	18,984,921	$	382,086		$	(4,807	)	$	(326,600	)	$	19,035,600
Average assets (liabilities)		16,415,261		118,689			(24,551	)		(205,235	)		16,304,164

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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Jun. 30, 2018	Mar. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reclass due to adopting Accounting Standard Update		$ 0
ASU 2016-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Decrease in income tax expense	$ 1,048
Accounting Standards Update 2018-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reclass due to adopting Accounting Standard Update			$ 6,353
Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total future minimum lease payments for operating leases	$ 69,844

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Mergers and Acquisitions - Additional Information (Detail) - USD ($)			6 Months Ended
	Jun. 30, 2018	Apr. 21, 2017	Jun. 30, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Total assets at consummation	$ 19,207,603,000		$ 19,207,603,000	$ 19,058,959,000
Loans at consummation	13,529,008,000		13,529,008,000	13,027,337,000
Deposits at consummation	13,830,766,000		13,830,766,000	13,830,591,000
Resulting goodwill	1,478,014,000		1,478,014,000	$ 1,478,380,000
Liabilities to provide severance benefits	$ 0		$ 0
Contractually required principal and interest at acquisition		$ 132,837,000
Expected cash flows at acquisition		108,275,000
Estimated fair value of acquired impaired loans at acquisition		$ 86,696,000
Cardinal Financial Corporation [Member]
Business Acquisition [Line Items]
Acquisition completion date			Apr. 21, 2017
Outstanding common stock acquired		100.00%
Total assets at consummation		$ 4,136,008,000
Loans at consummation		3,313,033,000
Deposits at consummation		3,344,740,000
Common stock paid in cash		975,254,000
Common stock value		972,499,000
Stock options exchanged value		$ 2,741,000
Common stock, shares issued		23,690,589
Resulting goodwill		$ 612,920,000
Fractional shares cash paid per share		14,000
Goodwill from acquisition expected to be tax deductible		0
Fair value discounts on loans acquired		144,434,000
Fair value discounts on leases		2,281,000
Fair value adjustment on trust preferred issuances		8,738,000
Premiums on land acquired		4,408,000
Premiums on interest-bearing deposits acquired		5,072,000
Premiums on long-term FHLB advances acquired		10,740,000
Estimated remaining life of discount on leases acquired	5 years 2 months 30 days
Estimated remaining life of discount on trust preferred issuances acquired	16 years 2 months 19 days
Estimated remaining life of premium on interest-bearing deposits acquired	4 years 2 months 30 days
Estimated remaining life of the FHLB advances acquired	4 years 22 days
Assumed liabilities to provide severance benefits		1,825,000
Contractually required principal and interest at acquisition		4,211,734,000
Expected cash flows at acquisition		4,155,558,000
Estimated fair value of acquired impaired loans at acquisition		3,168,599,000
Revenue since acquisition included in consolidated results			$ 431,463,000
Revenue since acquisition included in consolidated results			$ 212,834,000
Cardinal Financial Corporation [Member] | Common Stock [Member]
Business Acquisition [Line Items]
Common stock value		$ 972,499,000
Common stock, shares issued		23,690,589
Closing market price per common share		$ 41.05
Cardinal Financial Corporation [Member] | Core Deposit Intangible Assets [Member]
Business Acquisition [Line Items]
Purchase price allocation of Identifiable Intangible assets		$ 28,724,000
Estimated period of amortization of core deposit intangibles		10 years
Fractional shares cash paid per share		$ 14,000
Cardinal Financial Corporation [Member] | George Mason Trade Name Intangible [Member]
Business Acquisition [Line Items]
Purchase price allocation of Identifiable Intangible assets		$ 1,080,000

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Mergers and Acquisitions - Schedule of Acquired Loans Accounted for at Fair Value (Detail) $ in Thousands	Apr. 21, 2017 USD ($)
Business Acquisition [Line Items]
Contractually required principal and interest at acquisition	$ 132,837
Expected cash flows at acquisition	108,275
Basis in acquired loans at acquisition - estimated fair value	86,696
Cardinal Financial Corporation [Member]
Business Acquisition [Line Items]
Contractually required principal and interest at acquisition	4,211,734
Contractual cash flows not expected to be collected	(56,176)
Expected cash flows at acquisition	4,155,558
Interest component of expected cash flows	(986,959)
Basis in acquired loans at acquisition - estimated fair value	$ 3,168,599

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Mergers and Acquisitions - Schedule of Fair Value of Acquired Identifiable Assets and Liabilities Assumed (Detail) - USD ($) $ in Thousands	Apr. 21, 2017	Jun. 30, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Resulting goodwill		$ 1,478,014	$ 1,478,380
Cardinal Financial Corporation [Member]
Business Acquisition [Line Items]
Value of common shares issued	$ 972,499
Fair value of stock options assumed	2,741
Cash for fractional shares	14
Total purchase price	975,254
Cash and cash equivalents	44,545
Investment securities	395,829
Loans held for sale	271,301
Loans	3,168,599
Premises and equipment	24,774
Other assets	135,383
Total identifiable assets	4,070,235
Deposits	3,349,812
Short-term borrowings	96,215
Long-term borrowings	220,119
Unfavorable lease liability	2,281
Other liabilities	39,474
Total identifiable liabilities	3,707,901
Fair value of net assets acquired including identifiable intangible assets	362,334
Resulting goodwill	612,920
Cardinal Financial Corporation [Member] | Core Deposit Intangible Assets [Member]
Business Acquisition [Line Items]
Cash for fractional shares	14
Intangible assets	28,724
Cardinal Financial Corporation [Member] | George Mason Trade Name Intangible [Member]
Business Acquisition [Line Items]
Intangible assets	$ 1,080

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Mergers and Acquisitions - Schedule of Fair Value of Acquired Identifiable Assets and Liabilities Assumed (Parenthetical) (Detail)	Apr. 21, 2017 shares
Cardinal Financial Corporation [Member]
Business Acquisition [Line Items]
Common stock, shares issued	23,690,589

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Investment Securities - Summary of Amortized Cost and Estimated Fair Values of Available for Sale Securities (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Schedule of Investments [Line Items]
Amortized Cost	$ 2,103,362	$ 1,900,684
Gross Unrealized Gains	3,126	8,924
Gross Unrealized Losses	45,561	20,852
Estimated Fair Value	2,060,927	1,888,756
Cumulative OTTI in AOCI	2,672	20,856
U.S. Treasury Securities and Obligations of U.S. Government Corporations and Agencies [Member]
Schedule of Investments [Line Items]
Amortized Cost	144,867	114,735
Gross Unrealized Gains	8	385
Gross Unrealized Losses	1,060	362
Estimated Fair Value	143,815	114,758
Cumulative OTTI in AOCI	0	0
State and Political Subdivisions [Member]
Schedule of Investments [Line Items]
Amortized Cost	276,516	303,101
Gross Unrealized Gains	897	3,197
Gross Unrealized Losses	5,233	2,429
Estimated Fair Value	272,180	303,869
Cumulative OTTI in AOCI	0	0
Residential Mortgage-Backed Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	913,926	821,857
Gross Unrealized Gains	766	2,096
Gross Unrealized Losses	24,562	9,360
Estimated Fair Value	890,130	814,593
Cumulative OTTI in AOCI	0	0
Residential Mortgage-Backed Securities, Non-agency [Member]
Schedule of Investments [Line Items]
Amortized Cost	4,306	4,969
Gross Unrealized Gains	487	543
Gross Unrealized Losses	0	0
Estimated Fair Value	4,793	5,512
Cumulative OTTI in AOCI	86	86
Commercial Mortgage-Backed Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	513,212	457,107
Gross Unrealized Gains	127	1,059
Gross Unrealized Losses	11,936	3,309
Estimated Fair Value	501,403	454,857
Cumulative OTTI in AOCI	0	0
Asset-Backed Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	166,355	109,829
Gross Unrealized Gains	342	148
Gross Unrealized Losses	566	7
Estimated Fair Value	166,131	109,970
Cumulative OTTI in AOCI	0	0
Trust Preferred Collateralized Debt Obligations [Member]
Schedule of Investments [Line Items]
Amortized Cost	6,177	37,856
Gross Unrealized Gains	91	542
Gross Unrealized Losses	450	4,129
Estimated Fair Value	5,818	34,269
Cumulative OTTI in AOCI	2,586	20,770
Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	8,742	13,417
Gross Unrealized Gains	234	368
Gross Unrealized Losses	738	1,225
Estimated Fair Value	8,238	12,560
Cumulative OTTI in AOCI	0	0
Corporate Bonds [Member]
Schedule of Investments [Line Items]
Amortized Cost	69,261	28,101
Gross Unrealized Gains	174	407
Gross Unrealized Losses	1,016	18
Estimated Fair Value	68,419	28,490
Cumulative OTTI in AOCI	$ 0	0
Marketable Equity Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost		9,712
Gross Unrealized Gains		179
Gross Unrealized Losses		13
Estimated Fair Value		9,878
Cumulative OTTI in AOCI		$ 0

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Investment Securities - Summary of Securities Available for Sale in an Unrealized Loss Position (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Schedule of Investments [Line Items]
Less than 12 months, Fair Value	$ 1,460,814	$ 897,752
Less than 12 months, Unrealized Losses	30,595	7,828
12 months or longer, Fair Value	346,752	369,074
12 months or longer, Unrealized Losses	14,966	13,024
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	116,482	36,678
Less than 12 months, Unrealized Losses	964	230
12 months or longer, Fair Value	22,771	22,920
12 months or longer, Unrealized Losses	97	132
State and Political Subdivisions [Member]
Schedule of Investments [Line Items]
Less than 12 months, Fair Value	137,435	82,896
Less than 12 months, Unrealized Losses	1,710	566
12 months or longer, Fair Value	57,150	59,432
12 months or longer, Unrealized Losses	3,524	1,863
Residential Mortgage-Backed Securities [Member]
Schedule of Investments [Line Items]
Less than 12 months, Fair Value	664,630	460,414
Less than 12 months, Unrealized Losses	16,051	4,621
12 months or longer, Fair Value	190,576	182,482
12 months or longer, Unrealized Losses	8,511	4,739
Residential Mortgage-Backed Securities, Non-agency [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
Commercial Mortgage-Backed Securities [Member]
Schedule of Investments [Line Items]
Less than 12 months, Fair Value	415,526	282,858
Less than 12 months, Unrealized Losses	10,289	2,386
12 months or longer, Fair Value	69,225	70,763
12 months or longer, Unrealized Losses	1,647	923
Asset-Backed Securities [Member]
Schedule of Investments [Line Items]
Less than 12 months, Fair Value	75,437	27,931
Less than 12 months, Unrealized Losses	566	7
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	0	0
Less than 12 months, Unrealized Losses	0	0
12 months or longer, Fair Value	2,050	28,629
12 months or longer, Unrealized Losses	450	4,129
Single Issue Trust Preferred Securities [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	4,980	4,485
12 months or longer, Unrealized Losses	737	1,225
Corporate Bonds [Member]
Schedule of Investments [Line Items]
Less than 12 months, Fair Value	51,304	6,975
Less than 12 months, Unrealized Losses	1,015	18
12 months or longer, Fair Value	0	0
12 months or longer, Unrealized Losses	$ 0	0
Marketable Equity Securities [Member]
Schedule of Investments [Line Items]
Less than 12 months, Fair Value		0
Less than 12 months, Unrealized Losses		0
12 months or longer, Fair Value		363
12 months or longer, Unrealized Losses		$ 13

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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		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Investments, Debt and Equity Securities [Abstract]
Proceeds from sales and calls	$ 75,157	$ 468,506	$ 174,860	$ 567,304
Gross realized gains	58	845	1,221	1,059
Gross realized losses	$ 85	$ 82	$ 1,397	$ 82

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Investment Securities - Additional Information (Detail)	6 Months Ended
	Jun. 30, 2018 USD ($) Securities	Dec. 31, 2017 USD ($)	Jun. 30, 2017 USD ($)
Schedule of Investments [Line Items]
Gross unrealized losses on available for sale securities	$ 45,561,000	$ 20,852,000
Available for sale securities in unrealized loss position | Securities	668
Available for sale securities in portfolio, number | Securities	858
Amortized cost of available for sale securities	$ 2,103,362,000	1,900,684,000
Capitalization of banks, equal to or greater than, in the single-issue trust preferred portfolio	10,000,000,000
Gross realized gains	0		$ 0
Gross realized losses	0		$ 0
Carrying value of securities pledged	1,735,336,000	1,403,565,000
SunTrust Bank [Member]
Schedule of Investments [Line Items]
Amortized cost of trust preferred securities	7,430,000
Royal Bank of Scotland [Member]
Schedule of Investments [Line Items]
Amortized cost of trust preferred securities	976,000
Investment Grade [Member]
Schedule of Investments [Line Items]
Amortized cost of available for sale single issue trust preferred securities	5,718,000
Below Investment Grade [Member]
Schedule of Investments [Line Items]
Amortized cost of available for sale single issue trust preferred securities	3,024,000
State and Political Subdivisions [Member]
Schedule of Investments [Line Items]
Gross unrealized losses on available for sale securities	5,233,000	2,429,000
Amortized cost of available for sale securities	$ 276,516,000	303,101,000
Percent of portfolio with credit support	75.00%
Investment grade credit rate percentage	1.00%
Number of equity securities other-than-temporarily impaired | Securities	0
Trust Preferred Collateralized Debt Obligations [Member]
Schedule of Investments [Line Items]
Gross unrealized losses on available for sale securities	$ 450,000	4,129,000
Amortized cost of available for sale securities	6,177,000	37,856,000
Trust Preferred Collateralized Debt Obligations [Member] | TRUP CDOs [Member]
Schedule of Investments [Line Items]
Amortized cost of available for sale securities	6,177,000
Agency Mortgage Backed Securities [Member]
Schedule of Investments [Line Items]
Amortized cost of available for sale securities	1,427,138,000
Commercial Mortgage-Backed Securities [Member]
Schedule of Investments [Line Items]
Gross unrealized losses on available for sale securities	11,936,000	3,309,000
Amortized cost of available for sale securities	513,212,000	457,107,000
Residential Mortgage-Backed Securities [Member]
Schedule of Investments [Line Items]
Gross unrealized losses on available for sale securities	24,562,000	9,360,000
Amortized cost of available for sale securities	913,926,000	821,857,000
Residential Mortgage-Backed Securities, Non-agency [Member]
Schedule of Investments [Line Items]
Gross unrealized losses on available for sale securities	0	0
Amortized cost of available for sale securities	4,306,000	4,969,000
Residential Mortgage-Backed Securities, Non-agency [Member] | Investment Grade [Member]
Schedule of Investments [Line Items]
Amortized cost of available for sale securities	250,000
Residential Mortgage-Backed Securities, Non-agency [Member] | Below Investment Grade [Member]
Schedule of Investments [Line Items]
Amortized cost of available for sale securities	4,056,000
Corporate Bonds [Member]
Schedule of Investments [Line Items]
Gross unrealized losses on available for sale securities	1,016,000	18,000
Amortized cost of available for sale securities	$ 69,261,000	$ 28,101,000
Number of equity securities other-than-temporarily impaired	69,261,000
Corporate Bonds [Member] | Debt Issuances of Corporations [Member]
Schedule of Investments [Line Items]
Amortized cost of available for sale securities	$ 69,261,000
Corporate Bonds [Member] | Investment Grade [Member]
Schedule of Investments [Line Items]
Percent of corporate securities portfolio	70.00%
Corporate Bonds [Member] | Below Investment Grade [Member]
Schedule of Investments [Line Items]
Percent of corporate securities portfolio	30.00%

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Investment Securities - Roll Forward of Credit Losses on Securities (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Investments, Debt and Equity Securities [Abstract]
Cumulative credit losses, Beginning Balance	$ 3,199	$ 22,162	$ 18,060	$ 22,162
Reductions for securities sold or paid off during the period	0	0	(14,861)	0
Cumulative credit losses, Ending Balance	$ 3,199	$ 22,162	$ 3,199	$ 22,162

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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	Jun. 30, 2018	Dec. 31, 2017
Investments, Debt and Equity Securities [Abstract]
Due in one year or less, Amortized Cost	$ 68,381	$ 50,311
Due after one year through five years, Amortized Cost	510,595	386,039
Due after five years through ten years, Amortized Cost	447,739	400,129
Due after ten years, Amortized Cost	1,076,647	1,054,493
Marketable equity securities, Amortized Cost	0	9,712
Amortized Cost	2,103,362	1,900,684
Due in one year or less, Estimated Fair Value	68,272	50,212
Due after one year through five years, Estimated Fair Value	503,142	384,585
Due after five years through ten years, Estimated Fair Value	435,727	398,208
Due after ten years, Estimated Fair Value	1,053,786	1,045,873
Marketable equity securities, Estimated Fair Value	0	9,878
Total available for sale securities	$ 2,060,927	$ 1,888,756

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Investment Securities - Summary of Amortized Cost and Estimated Fair Values of Securities Held to Maturity (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Schedule of Investments [Line Items]
Amortized Cost	$ 20,378	$ 20,428
Gross Unrealized Gains	193	321
Gross Unrealized Losses	863	731
Estimated Fair Value	19,708	20,018
U.S. Treasury Securities and Obligations of U.S. Government Corporations and Agencies [Member]
Schedule of Investments [Line Items]
Amortized Cost	5,132	5,187
Gross Unrealized Gains	181	308
Gross Unrealized Losses	0	0
Estimated Fair Value	5,313	5,495
State and Political Subdivisions [Member]
Schedule of Investments [Line Items]
Amortized Cost	5,798	5,797
Gross Unrealized Gains	9	10
Gross Unrealized Losses	0	0
Estimated Fair Value	5,807	5,807
Residential Mortgage-Backed Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	21	23
Gross Unrealized Gains	3	3
Gross Unrealized Losses	0	0
Estimated Fair Value	24	26
Single Issue Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost	9,407	9,401
Gross Unrealized Gains	0	0
Gross Unrealized Losses	863	731
Estimated Fair Value	8,544	8,670
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	Jun. 30, 2018	Dec. 31, 2017
Investments, Debt and Equity Securities [Abstract]
Due in one year or less, Amortized Cost	$ 2,000	$ 0
Due after one year through five years, Amortized Cost	7,290	9,344
Due after five years through ten years, Amortized Cost	8,092	5,663
Due after ten years, Amortized Cost	2,996	5,421
Amortized Cost	20,378	20,428
Due in one year or less, Estimated Fair Value	2,000	0
Due after one year through five years, Estimated Fair Value	7,478	9,660
Due after five years through ten year, Estimated Fair Value	7,610	5,343
Due after ten years, Estimated Fair Value	2,620	5,015
Estimated Fair Value, Total	$ 19,708	$ 20,018

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Investment Securities - Summary of Equity Securities (Detail) - Marketable Equity Securities [Member] - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2018
Debt Securities, Available-for-sale [Line Items]
Net gains (losses) recognized during the period	$ (28)	$ (64)
Net gains (losses) recognized during the period on equity securities sold	(4)	(2)
Unrealized gains recognized during the period on equity securities still held at period end	11	50
Unrealized losses recognized during the period on equity securities still held at period end	$ 35	$ 112

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Loans - Major Classes of Loans (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Commercial, financial, and agricultural
Total commercial, financial & agricultural	$ 8,011,915	$ 7,811,906
Residential real estate	3,300,472	2,996,171
Construction & land development	1,396,853	1,504,907
Consumer:
Bankcard	9,717	10,314
Other consumer	810,051	704,039
Total Financing Receivables	13,529,008	13,027,337
Owner-Occupied [Member]
Commercial, financial, and agricultural
Total commercial, financial & agricultural	1,366,814	1,361,629
Nonowner-Occupied [Member]
Commercial, financial, and agricultural
Total commercial, financial & agricultural	4,435,910	4,451,298
Other Commercial [Member]
Commercial, financial, and agricultural
Total commercial, financial & agricultural	$ 2,209,191	$ 1,998,979

XML

Loans - Additional Information (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Loans held for sale	$ 285,194	$ 265,955
Acquired impaired loans from merger	$ 13,529,008	$ 13,027,337
Percentage of acquired impaired loans from merger on total gross loans	1.25%	1.62%
Recorded investment in acquired impaired loans	$ 221,983	$ 285,964
Directors and Officers [Member]
Related party loans	32,506	36,360
Loans Acquired with Deteriorated Credit Quality [Member]
Acquired impaired loans from merger	$ 168,497	$ 210,521

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Loans - Activity for Accretable Yield (Detail) $ in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($)
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Accretable yield at the beginning of the period	$ 39,098
Accretion (including cash recoveries)	(8,371)
Additions	0
Net reclassifications to accretable from non-accretable	9,803
Disposals (including maturities, foreclosures, and charge-offs)	(3,323)
Accretable yield at the end of the period	$ 37,207

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Credit Quality - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
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			$ 60,384		$ 50,129
Restructured loans on nonaccrual status	$ 46,652		46,652		30,868
Restructured loans modified by reduction in interest	1,715		1,715
Restructured loan and interest	1,859		1,859
Restructured loans modified by change in terms	56,810		56,810
Restructured loans modified by reduction in interest rate and change in terms	16,524	$ 26,688	$ 16,524	$ 30,802
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	21,926		$ 21,926		24,348
Recorded investment of consumer mortgage loans	1,587		1,587		873
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Restructured loans on nonaccrual status	84		84		95
Financing Receivables 30 To 89 Days Past Due [Member]
Restructured loans on nonaccrual status	$ 1,148		$ 1,148		$ 1,254

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Credit Quality - Schedule of Troubled Debt Restructurings, Segregated by Class of Loans (Detail) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($) Contract	Jun. 30, 2017 USD ($) Contract	Jun. 30, 2018 USD ($) Contract	Jun. 30, 2017 USD ($) Contract
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	6	5	6	10
Pre-Modification Outstanding Recorded Investment	$ 16,524	$ 26,688	$ 16,524	$ 30,896
Post-Modification Outstanding Recorded Investment	$ 16,524	$ 26,688	$ 16,524	$ 30,802
Construction & Land Development [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	0	0	0	1
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 1,456
Post-Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 1,437
Commercial Real Estate [Member] | Owner-Occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	0	1	0	1
Pre-Modification Outstanding Recorded Investment	$ 0	$ 5,333	$ 0	$ 5,333
Post-Modification Outstanding Recorded Investment	$ 0	$ 5,333	$ 0	$ 5,333
Commercial Real Estate [Member] | Nonowner-Occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	0	0	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Other Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	4	4	4	8
Pre-Modification Outstanding Recorded Investment	$ 9,571	$ 21,355	$ 9,571	$ 24,107
Post-Modification Outstanding Recorded Investment	$ 9,571	$ 21,355	$ 9,571	$ 24,032
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	2	0	2	0
Pre-Modification Outstanding Recorded Investment	$ 6,953	$ 0	$ 6,953	$ 0
Post-Modification Outstanding Recorded Investment	$ 6,953	$ 0	$ 6,953	$ 0
Consumer [Member] | Bankcard [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	0	0	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Consumer [Member] | Other Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	0	0	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0

XML

Credit Quality - Schedule of Age Analysis of its Past Due Loans, Segregated by Class of Loans (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 30-89 Days Past Due	$ 84,067	$ 76,551
Loans, Total Past Due	221,339	226,119
Loans, Current & Other	13,307,669	12,801,218
Total Financing Receivables	13,529,008	13,027,337
Loans, Recorded Investment >90 Days & Accruing	16,506	9,897
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, Total Past Due	137,272	149,568
Construction & Land Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 30-89 Days Past Due	2,910	1,615
Loans, Total Past Due	20,255	18,805
Loans, Current & Other	1,376,598	1,486,102
Total Financing Receivables	1,396,853	1,504,907
Loans, Recorded Investment >90 Days & Accruing	802	385
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	17,345	17,190
Commercial Real Estate [Member] | Owner-Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 30-89 Days Past Due	13,261	7,968
Loans, Total Past Due	31,863	21,631
Loans, Current & Other	1,334,951	1,339,998
Total Financing Receivables	1,366,814	1,361,629
Loans, Recorded Investment >90 Days & Accruing	1,377	458
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	18,602	13,663
Commercial Real Estate [Member] | Nonowner-Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 30-89 Days Past Due	14,118	10,398
Loans, Total Past Due	31,042	30,846
Loans, Current & Other	4,404,868	4,420,452
Total Financing Receivables	4,435,910	4,451,298
Loans, Recorded Investment >90 Days & Accruing	1,301	634
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	16,924	20,448
Other Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 30-89 Days Past Due	9,598	11,533
Loans, Total Past Due	64,160	80,009
Loans, Current & Other	2,145,031	1,918,970
Total Financing Receivables	2,209,191	1,998,979
Loans, Recorded Investment >90 Days & Accruing	2,313	940
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	54,562	68,476
Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 30-89 Days Past Due	37,135	35,300
Loans, Total Past Due	65,840	63,937
Loans, Current & Other	3,234,632	2,932,234
Total Financing Receivables	3,300,472	2,996,171
Loans, Recorded Investment >90 Days & Accruing	9,866	6,519
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	28,705	28,637
Consumer [Member] | Bankcard [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 30-89 Days Past Due	427	449
Loans, Total Past Due	592	635
Loans, Current & Other	9,125	9,679
Total Financing Receivables	9,717	10,314
Loans, Recorded Investment >90 Days & Accruing	165	186
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	165	186
Consumer [Member] | Other Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 30-89 Days Past Due	6,618	9,288
Loans, Total Past Due	7,587	10,256
Loans, Current & Other	802,464	693,783
Total Financing Receivables	810,051	704,039
Loans, Recorded Investment >90 Days & Accruing	682	775
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	$ 969	$ 968

XML

Credit Quality - Schedule of Age Analysis of its Past Due Loans, Segregated by Class of Loans (Parenthetical) (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment, Past Due [Line Items]
Acquired impaired loans from merger	$ 13,529,008	$ 13,027,337
Loans Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Acquired impaired loans from merger	$ 168,497	$ 210,521

XML

Credit Quality - Schedule of Nonaccrual Loans, Segregated by Class of Loans (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on Nonaccrual Status	$ 120,766	$ 139,671
Construction & Land Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on Nonaccrual Status	16,543	16,805
Commercial Real Estate [Member] | Owner-Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on Nonaccrual Status	17,225	13,205
Commercial Real Estate [Member] | Nonowner-Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on Nonaccrual Status	15,623	19,814
Other Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on Nonaccrual Status	52,249	67,536
Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans on Nonaccrual Status	18,839	22,118
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	$ 287	$ 193

XML

Credit Quality - Schedule of Credit Quality Indicators Information, by Class of Loans (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	$ 13,529,008	$ 13,027,337
Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	3,300,472	2,996,171
Other Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	2,209,191	1,998,979
Bankcard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	9,717	10,314
Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	810,051	704,039
Owner-Occupied [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	1,366,814	1,361,629
Nonowner-Occupied [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	4,435,910	4,451,298
Construction & Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	1,396,853	1,504,907
Pass [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	3,239,999	2,945,266
Pass [Member] | Other Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	2,100,084	1,848,868
Pass [Member] | Bankcard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	9,125	9,679
Pass [Member] | Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	802,394	693,727
Pass [Member] | Owner-Occupied [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	1,279,444	1,276,088
Pass [Member] | Nonowner-Occupied [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	4,282,361	4,312,985
Pass [Member] | Construction & Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	1,312,907	1,413,706
Special Mention [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	25,077	18,025
Special Mention [Member] | Other Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	16,523	55,564
Special Mention [Member] | Bankcard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	427	449
Special Mention [Member] | Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	6,671	9,334
Special Mention [Member] | Owner-Occupied [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	31,737	20,165
Special Mention [Member] | Nonowner-Occupied [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	56,404	57,618
Special Mention [Member] | Construction & Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	4,402	5,196
Substandard [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	35,396	32,880
Substandard [Member] | Other Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	89,566	90,625
Substandard [Member] | Bankcard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	165	186
Substandard [Member] | Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	986	978
Substandard [Member] | Owner-Occupied [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	55,633	65,376
Substandard [Member] | Nonowner-Occupied [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	97,145	80,695
Substandard [Member] | Construction & Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	79,544	86,005
Doubtful [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	0	0
Doubtful [Member] | Other Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivable, credit quality indicators information	3,018	3,922
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	0	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	$ 0	$ 0

XML

Credit Quality - Schedule of Impaired Loans Information by Class of Loans (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2017
Construction & Land Development [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, Recorded Investment, With no related allowance recorded	$ 45,497				$ 52,279
Impaired Loans, Unpaid Principal Balance, With no related allowance recorded	50,132				59,691
Impaired Loans, Recorded Investment, With an allowance recorded	2,001				1,383
Impaired Loans, Unpaid Principal Balance, With an allowance recorded	4,654				1,383
Impaired Loans, Related Allowance	277				229
Impaired Loans, Recorded Investment	47,498				53,662
Impaired Loans, Unpaid Principal Balance	54,786				61,074
Impaired Loans, Related Allowance	277				229
Impaired Loans, Average Recorded Investment, With no related allowance recorded	46,909	$ 36,182	$ 48,699	$ 35,903
Impaired Loans, Interest Income Recognized, With no related allowance recorded	98	83	197	164
Impaired Loans, Average Recorded Investment, With an allowance recorded	2,008	2,587	1,800	3,372
Impaired Loans, Interest Income Recognized, With an allowance recorded	20	21	40	42
Impaired Loans, Average Recorded Investment	48,917	38,769	50,499	39,275
Impaired Loans, Interest Income Recognized	118	104	237	206
Bankcard [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, Average Recorded Investment, With no related allowance recorded	0	0	0	0
Impaired Loans, Interest Income Recognized, With no related allowance recorded	0	0	0	0
Other Consumer [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, Average Recorded Investment, With no related allowance recorded	32	36	26	36
Impaired Loans, Interest Income Recognized, With no related allowance recorded	0	0	0	0
Commercial Real Estate [Member] | Owner-Occupied [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, Recorded Investment, With no related allowance recorded	72,883				78,117
Impaired Loans, Unpaid Principal Balance, With no related allowance recorded	73,343				78,419
Impaired Loans, Recorded Investment, With an allowance recorded	4,766				9,132
Impaired Loans, Unpaid Principal Balance, With an allowance recorded	4,766				9,132
Impaired Loans, Related Allowance	978				2,251
Impaired Loans, Recorded Investment	77,649				87,249
Impaired Loans, Unpaid Principal Balance	78,109				87,551
Impaired Loans, Related Allowance	978				2,251
Impaired Loans, Average Recorded Investment, With no related allowance recorded	74,330	69,670	75,592	62,615
Impaired Loans, Interest Income Recognized, With no related allowance recorded	354	412	739	837
Impaired Loans, Average Recorded Investment, With an allowance recorded	5,319	14,102	6,590	9,997
Impaired Loans, Interest Income Recognized, With an allowance recorded	6	159	31	318
Impaired Loans, Average Recorded Investment	79,649	83,772	82,182	72,612
Impaired Loans, Interest Income Recognized	360	571	770	1,155
Commercial Real Estate [Member] | Nonowner-Occupied [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, Recorded Investment, With no related allowance recorded	99,098				134,136
Impaired Loans, Unpaid Principal Balance, With no related allowance recorded	99,159				134,195
Impaired Loans, Recorded Investment, With an allowance recorded	10,463				7,797
Impaired Loans, Unpaid Principal Balance, With an allowance recorded	10,463				7,797
Impaired Loans, Related Allowance	1,693				1,592
Impaired Loans, Recorded Investment	109,561				141,933
Impaired Loans, Unpaid Principal Balance	109,622				141,992
Impaired Loans, Related Allowance	1,693				1,592
Impaired Loans, Average Recorded Investment, With no related allowance recorded	108,343	109,003	116,941	105,045
Impaired Loans, Interest Income Recognized, With no related allowance recorded	159	168	328	347
Impaired Loans, Average Recorded Investment, With an allowance recorded	9,503	14,147	8,934	15,411
Impaired Loans, Interest Income Recognized, With an allowance recorded	60	12	119	87
Impaired Loans, Average Recorded Investment	117,846	123,150	125,875	120,456
Impaired Loans, Interest Income Recognized	219	180	447	434
Other Commercial [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, Recorded Investment, With no related allowance recorded	52,375				46,993
Impaired Loans, Unpaid Principal Balance, With no related allowance recorded	61,377				49,552
Impaired Loans, Recorded Investment, With an allowance recorded	44,671				60,512
Impaired Loans, Unpaid Principal Balance, With an allowance recorded	50,278				70,396
Impaired Loans, Related Allowance	14,676				16,721
Impaired Loans, Recorded Investment	97,046				107,505
Impaired Loans, Unpaid Principal Balance	111,655				119,948
Impaired Loans, Related Allowance	14,676				16,721
Impaired Loans, Average Recorded Investment, With no related allowance recorded	52,384	58,597	50,587	53,076
Impaired Loans, Interest Income Recognized, With no related allowance recorded	246	226	470	496
Impaired Loans, Average Recorded Investment, With an allowance recorded	46,376	72,568	51,088	63,783
Impaired Loans, Interest Income Recognized, With an allowance recorded	10	157	28	622
Impaired Loans, Average Recorded Investment	98,760	131,165	101,675	116,859
Impaired Loans, Interest Income Recognized	256	383	498	1,118
Residential Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, Recorded Investment, With no related allowance recorded	24,315				26,751
Impaired Loans, Unpaid Principal Balance, With no related allowance recorded	25,078				28,202
Impaired Loans, Recorded Investment, With an allowance recorded	12,097				9,813
Impaired Loans, Unpaid Principal Balance, With an allowance recorded	13,539				10,418
Impaired Loans, Related Allowance	1,460				1,552
Impaired Loans, Recorded Investment	36,412				36,564
Impaired Loans, Unpaid Principal Balance	38,617				38,620
Impaired Loans, Related Allowance	1,460				1,552
Impaired Loans, Average Recorded Investment, With no related allowance recorded	24,220	20,713	25,064	21,468
Impaired Loans, Interest Income Recognized, With no related allowance recorded	85	54	180	103
Impaired Loans, Average Recorded Investment, With an allowance recorded	11,992	15,485	11,266	14,345
Impaired Loans, Interest Income Recognized, With an allowance recorded	11	34	21	83
Impaired Loans, Average Recorded Investment	36,212	36,198	36,330	35,813
Impaired Loans, Interest Income Recognized	96	88	201	186
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	0	0
Impaired Loans, Interest Income Recognized, With an allowance recorded	0	0	0	0
Impaired Loans, Average Recorded Investment	0	0	0	0
Impaired Loans, Interest Income Recognized	0	0	0	0
Consumer [Member] | Other Consumer [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, Recorded Investment, With no related allowance recorded	23				15
Impaired Loans, Unpaid Principal Balance, With no related allowance recorded	23				15
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	23				15
Impaired Loans, Unpaid Principal Balance	23				15
Impaired Loans, Related Allowance	0				$ 0
Impaired Loans, Average Recorded Investment, With an allowance recorded	0	0	0	0
Impaired Loans, Interest Income Recognized, With an allowance recorded	0	0	0	0
Impaired Loans, Average Recorded Investment	32	36	26	36
Impaired Loans, Interest Income Recognized	$ 0	$ 0	$ 0	$ 0

XML

Allowance for Credit Losses - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Financing Receivable, Allowance for Credit Losses [Line Items]
Specific loss allocations are calculated for commercial loans in excess					$ 500,000,000
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
Reversal of provision for loan losses related to loans acquired		$ 738,000		$ 371,000
provision for loan losses related to loans acquired	$ 801		$ 2,080
Reserve for lending-related commitments	$ 927,000		$ 927,000		$ 679,000
Closed-End Retail Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of days delinquent from contractual due date					12 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	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses Beginning balance	$ 76,653	$ 76,627	$ 72,771
Charge-offs	7,712	13,570	32,863
Recoveries	1,990	2,696	8,313
Provision	6,204	11,382	28,406
Allowance for Loan Losses Ending balance	77,135	77,135	76,627
Allowance for Loan Losses, individually evaluated for impairment	19,084	19,084	22,345
Allowance for Loan Losses, collectively evaluated for impairment	58,051	58,051	54,282
Financing receivables	13,529,008	13,529,008	13,027,337
Financing receivables, individually evaluated for impairment	163,844	163,844	168,524
Financing receivables, collectively evaluated for impairment	13,196,667	13,196,667	12,648,292
Loans Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses	0	0	0
Financing receivables	168,497	168,497	210,521
Construction & Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses Beginning balance	6,429	7,187	10,606
Charge-offs	72	532	3,337
Recoveries	9	11	726
Provision	226	(74)	(808)
Allowance for Loan Losses Ending balance	6,592	6,592	7,187
Allowance for Loan Losses, individually evaluated for impairment	277	277	229
Allowance for Loan Losses, collectively evaluated for impairment	6,315	6,315	6,958
Financing receivables	1,396,853	1,396,853	1,504,907
Financing receivables, individually evaluated for impairment	16,892	16,892	16,921
Financing receivables, collectively evaluated for impairment	1,357,792	1,357,792	1,461,206
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	0
Financing receivables	22,169	22,169	26,780
Allowance for Estimated Imprecision [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses Beginning balance	170	73	347
Charge-offs	0	0	0
Recoveries	0	0	0
Provision	(13)	84	(274)
Allowance for Loan Losses Ending balance	157	157	73
Allowance for Loan Losses, individually evaluated for impairment	0	0	0
Allowance for Loan Losses, collectively evaluated for impairment	157	157	73
Financing receivables	0	0	0
Financing receivables, individually evaluated for impairment	0	0	0
Financing receivables, collectively evaluated for impairment	0	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	0
Financing receivables	0	0	0
Commercial Real Estate [Member] | Owner-Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses Beginning balance	3,719	5,401	5,273
Charge-offs	728	1,743	2,246
Recoveries	690	745	2,599
Provision	(468)	(1,190)	(225)
Allowance for Loan Losses Ending balance	3,213	3,213	5,401
Allowance for Loan Losses, individually evaluated for impairment	978	978	2,251
Allowance for Loan Losses, collectively evaluated for impairment	2,235	2,235	3,150
Financing receivables	1,366,814	1,366,814	1,361,629
Financing receivables, individually evaluated for impairment	30,134	30,134	36,721
Financing receivables, collectively evaluated for impairment	1,305,807	1,305,807	1,291,379
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	0
Financing receivables	30,873	30,873	33,529
Commercial Real Estate [Member] | Nonowner-Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses Beginning balance	6,774	6,369	6,883
Charge-offs	314	314	296
Recoveries	17	153	244
Provision	(294)	(25)	(462)
Allowance for Loan Losses Ending balance	6,183	6,183	6,369
Allowance for Loan Losses, individually evaluated for impairment	1,693	1,693	1,592
Allowance for Loan Losses, collectively evaluated for impairment	4,490	4,490	4,777
Financing receivables	4,435,910	4,435,910	4,451,298
Financing receivables, individually evaluated for impairment	21,653	21,653	21,851
Financing receivables, collectively evaluated for impairment	4,337,381	4,337,381	4,320,997
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	0
Financing receivables	76,876	76,876	108,450
Other Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses Beginning balance	46,917	45,189	33,087
Charge-offs	5,795	8,663	21,189
Recoveries	984	1,090	3,395
Provision	6,085	10,575	29,896
Allowance for Loan Losses Ending balance	48,191	48,191	45,189
Allowance for Loan Losses, individually evaluated for impairment	14,676	14,676	16,721
Allowance for Loan Losses, collectively evaluated for impairment	33,515	33,515	28,468
Financing receivables	2,209,191	2,209,191	1,998,979
Financing receivables, individually evaluated for impairment	79,980	79,980	78,715
Financing receivables, collectively evaluated for impairment	2,103,205	2,103,205	1,892,706
Other Commercial [Member] | Loans Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses	0	0	0
Financing receivables	26,006	26,006	27,558
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses Beginning balance	10,253	9,927	13,770
Charge-offs	82	992	2,973
Recoveries	94	358	601
Provision	115	1,087	(1,471)
Allowance for Loan Losses Ending balance	10,380	10,380	9,927
Allowance for Loan Losses, individually evaluated for impairment	1,460	1,460	1,552
Allowance for Loan Losses, collectively evaluated for impairment	8,920	8,920	8,375
Financing receivables	3,300,472	3,300,472	2,996,171
Financing receivables, individually evaluated for impairment	15,185	15,185	14,316
Financing receivables, collectively evaluated for impairment	3,272,737	3,272,737	2,967,666
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	0
Financing receivables	12,550	12,550	14,189
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses Beginning balance	2,391	2,481	2,805
Charge-offs	721	1,326	2,822
Recoveries	196	339	748
Provision	553	925	1,750
Allowance for Loan Losses Ending balance	2,419	2,419	2,481
Allowance for Loan Losses, individually evaluated for impairment	0	0	0
Allowance for Loan Losses, collectively evaluated for impairment	2,419	2,419	2,481
Financing receivables	819,768	819,768	714,353
Financing receivables, individually evaluated for impairment	0	0	0
Financing receivables, collectively evaluated for impairment	819,745	819,745	714,338
Consumer [Member] | Loans Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses	0	0	0
Financing receivables	$ 23	$ 23	$ 15

XML

Intangible Assets- Summary of Intangible Assets (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Goodwill not subject to amortization	$ 1,478,014	$ 1,478,380
Core Deposit Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	98,359	98,359
Accumulated Amortization	(58,473)	(54,453)
George Mason Trade Name Intangible [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,080	1,080
Community Banking [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill not subject to amortization	1,472,699	1,473,265
Community Banking [Member] | Core Deposit Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	98,359	98,359
Accumulated Amortization	(58,473)	(54,453)
Community Banking [Member] | George Mason Trade Name Intangible [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	0	0
Mortgage Banking [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill not subject to amortization	5,315	5,115
Mortgage Banking [Member] | Core Deposit Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	0	0
Accumulated Amortization	0	0
Mortgage Banking [Member] | George Mason Trade Name Intangible [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,080	$ 1,080

XML

Intangible Assets - Reconciliation of Goodwill (Detail) $ in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($)
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 1,478,380
Goodwill, Ending Balance	1,478,014
Cardinal Financial Corporation [Member]
Goodwill [Line Items]
Addition to goodwill	(366)
Community Banking [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	1,473,265
Goodwill, Ending Balance	1,472,699
Community Banking [Member] | Cardinal Financial Corporation [Member]
Goodwill [Line Items]
Addition to goodwill	(566)
Mortgage Banking [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	5,115
Goodwill, Ending Balance	5,315
Mortgage Banking [Member] | Cardinal Financial Corporation [Member]
Goodwill [Line Items]
Addition to goodwill	$ 200

XML

Intangible Assets - Schedule of Anticipated Amortization Expense (Detail) $ in Thousands	Jun. 30, 2018 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
2018	$ 8,039
2019	7,016
2020	6,309
2021	5,369
2022 and thereafter	$ 17,173

XML

Short-Term Borrowings - Additional Information (Detail) - USD ($)	6 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Short-term Debt [Line Items]
Unused lines of credit	$ 230,000,000
Federal funds purchased	14,000,000	$ 16,235,000
Repurchase agreements	185,507,000
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)	6 Months Ended	12 Months Ended
	Jun. 30, 2018 USD ($) Trust	Dec. 31, 2017 USD ($)
Debt Instrument [Line Items]
Unused borrowing amount	$ 3,579,159,000
FHLB advances	$ 1,560,365,000	$ 1,271,531,000
FHLB advances, weighted-average interest rate	1.97%
FHLB advances, maximum maturity period	7 years
Number of statutory business trusts | Trust	14
Outstanding balances of debentures	$ 234,276,000	$ 242,446,000
Maximum time to defer payment of interest on subordinate debt		5 years
Maximum [Member]
Debt Instrument [Line Items]
Risk based assets	$ 15,000,000,000
Capital Securities [Member]
Debt Instrument [Line Items]
Number of statutory business trusts | Trust	14

XML

Long -Term Borrowings - Schedule of Maturities of Long-term Borrowings (Detail) $ in Thousands	Jun. 30, 2018 USD ($)
Debt Disclosure [Abstract]
2018	$ 1,246,776
2019	187,370
2020	41,896
2021	52,547
2022 and thereafter	31,776
Total	$ 1,560,365

XML

Commitments and Contingent Liabilities - Additional Information (Detail) - USD ($)	6 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Loss Contingencies [Line Items]
Loan commitments outstanding	$ 3,899,439,000	$ 4,224,719,000
Loan commitments expiry period	1 year
George Mason [Member]
Loss Contingencies [Line Items]
Reserve for possible losses due to the repurchase of loans previously sold to investors	$ 516,000
Commitments to Extend Credit [Member] | George Mason [Member] | Short-term Contract with Customer [Member]
Loss Contingencies [Line Items]
Additional commitments to extend credit	324,487,000
Commercial Letters of Credit [Member]
Loss Contingencies [Line Items]
Letters of credit issued	0	0
Standby Letters of Credit [Member]
Loss Contingencies [Line Items]
Letters of credit issued	$ 145,778,000	$ 147,017,000

XML

Derivative Financial Instruments - Schedule of Notional Amount and Fair Value Derivative Financial Instruments (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Derivative [Line Items]
Asset derivatives, notional amount	$ 291,809	$ 251,721
Asset derivatives designated as hedging instruments	3,329	538
Liability derivatives, notional amount	343,000	255,295
Asset derivatives not designated as hedging instruments	6,653	4,561
Total asset derivatives	9,982	5,099
Liability derivatives designated as hedging instruments	0	165
Liability derivatives not designated as hedging instruments	1,422	312
Total liability derivatives	1,422	477
Designated as Hedging Instrument [Member]
Derivative [Line Items]
Asset derivatives, notional amount	87,672	71,831
Liability derivatives, notional amount	0	18,795
Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Asset derivatives, notional amount	204,137	179,890
Liability derivatives, notional amount	343,000	236,500
Other Assets [Member] | Interest Rate Lock Commitments [Member]
Derivative [Line Items]
Asset derivatives not designated as hedging instruments	6,541	4,559
Other Assets [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Lock Commitments [Member]
Derivative [Line Items]
Asset derivatives, notional amount	182,030	148,866
Other Liabilities [Member] | TBA Mortgage Backed Securities [Member]
Derivative [Line Items]
Liability derivatives not designated as hedging instruments	1,422	312
Other Liabilities [Member] | Interest Rate Lock Commitments [Member]
Derivative [Line Items]
Liability derivatives not designated as hedging instruments	0	0
Other Liabilities [Member] | Not Designated as Hedging Instrument [Member] | TBA Mortgage Backed Securities [Member]
Derivative [Line Items]
Liability derivatives, notional amount	343,000	236,500
Other Liabilities [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Lock Commitments [Member]
Derivative [Line Items]
Liability derivatives, notional amount	0	0
Interest Rate Swap Contracts [Member] | Other Assets [Member] | Fair Value Hedging [Member] | Hedged Commercial Loans [Member]
Derivative [Line Items]
Asset derivatives designated as hedging instruments	3,329	538
Interest Rate Swap Contracts [Member] | Other Assets [Member] | Fair Value Hedging [Member] | Designated as Hedging Instrument [Member] | Hedged Commercial Loans [Member]
Derivative [Line Items]
Asset derivatives, notional amount	87,672	71,831
Interest Rate Swap Contracts [Member] | Other Liabilities [Member] | Fair Value Hedging [Member] | Hedged Commercial Loans [Member]
Derivative [Line Items]
Liability derivatives designated as hedging instruments	0	165
Interest Rate Swap Contracts [Member] | Other Liabilities [Member] | Fair Value Hedging [Member] | Designated as Hedging Instrument [Member] | Hedged Commercial Loans [Member]
Derivative [Line Items]
Liability derivatives, notional amount	0	18,795
Forward Loan Sale Commitments [Member] | Other Assets [Member]
Derivative [Line Items]
Asset derivatives not designated as hedging instruments	112	2
Forward Loan Sale Commitments [Member] | Other Assets [Member] | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Asset derivatives, notional amount	$ 22,107	$ 31,024

XML

Derivative Financial Instruments - Schedule of Derivative Financial Instruments on Statements of Income (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Derivative [Line Items]
Derivatives in hedging relationships	$ 2,364	$ 3,351	$ 676	$ 3,193
Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivatives in hedging relationships	(24)	282	18	440
Designated as Hedging Instrument [Member] | Interest Income/ (Expense) [Member] | Interest Rate Swap Contracts [Member] | Fair Value Hedging [Member]
Derivative [Line Items]
Derivatives in hedging relationships	(24)	282	18	440
Designated as Hedging Instrument [Member] | Other Income [Member] | Forward Loan Sale Commitments [Member] | Cash Flow Hedging [Member]
Derivative [Line Items]
Derivatives in hedging relationships			0	0
Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivatives not designated as hedging instruments	2,340	3,633	694	3,633
Not Designated as Hedging Instrument [Member] | Income from Mortgage Banking Activities [Member] | TBA Mortgage Backed Securities [Member]
Derivative [Line Items]
Derivatives not designated as hedging instruments	(660)	2,784	1,110	(2,784)
Not Designated as Hedging Instrument [Member] | Income from Mortgage Banking Activities [Member] | Interest Rate Lock Commitments [Member]
Derivative [Line Items]
Derivatives not designated as hedging instruments	2,888	1,019	(1,619)	(1,019)
Not Designated as Hedging Instrument [Member] | Income from Mortgage Banking Activities [Member] | Forward Loan Sale Commitments [Member]
Derivative [Line Items]
Derivatives not designated as hedging instruments	$ 112	$ (170)	$ 185	$ (170)

XML

Fair Value Measurements - Additional Information (Detail) - USD ($)	6 Months Ended
	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
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
Loans Held For Sale [Member] | Minimum [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Sales price of loans held for sale increase percentage		0.18%
Loans Held For Sale [Member] | Maximum [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Sales price of loans held for sale increase percentage		0.65%
Loans Held For Sale [Member] | Weighted Average [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Sales price of loans held for sale increase percentage		0.34%
Derivatives [Member] | Minimum [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Sales price of loans held for sale increase percentage	0.18%
Derivatives [Member] | Maximum [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Sales price of loans held for sale increase percentage	0.65%
Derivatives [Member] | Weighted Average [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Sales price of loans held for sale increase percentage	0.34%

XML

Fair Value Measurements - Schedule of Financial Assets and Liabilities Measured at Fair Value (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities	$ 0	$ 9,878
Total available for sale securities	2,060,927	1,888,756
Loans held for sale	285,194	265,955
Derivative financial assets	9,982	5,099
Derivative financial liabilities	1,422	477
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	143,815	114,758
State and Political Subdivisions [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	272,180	303,869
Residential Mortgage-Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	890,130	814,593
Commercial Mortgage-Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	501,403	454,857
Asset-Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	166,131	109,970
Trust Preferred Collateralized Debt Obligations [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	5,818	34,269
Single Issue Trust Preferred Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	8,238	12,560
Corporate Bonds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	68,419	28,490
Marketable Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities		9,878
Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities		9,878
Total available for sale securities	2,060,927	1,888,756
Loans held for sale	282,439	263,308
Derivative financial assets	9,982	5,099
Derivative financial liabilities	1,422	477
Available for sale debt securities		1,878,878
Fair Value, Measurements, Recurring [Member] | 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	143,815
Available for sale debt securities		114,758
Fair Value, Measurements, Recurring [Member] | State and Political Subdivisions [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	272,180
Available for sale debt securities		303,869
Fair Value, Measurements, Recurring [Member] | Residential Mortgage-Backed Securities [Member] | Agency [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	890,129
Available for sale debt securities		814,593
Fair Value, Measurements, Recurring [Member] | Residential Mortgage-Backed Securities [Member] | Non-Agency [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	4,794
Available for sale debt securities		5,512
Fair Value, Measurements, Recurring [Member] | Commercial Mortgage-Backed Securities [Member] | Agency [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	501,403
Available for sale debt securities		454,857
Fair Value, Measurements, Recurring [Member] | Asset-Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	166,131
Available for sale debt securities		109,970
Fair Value, Measurements, Recurring [Member] | Trust Preferred Collateralized Debt Obligations [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	5,818
Available for sale debt securities		34,269
Fair Value, Measurements, Recurring [Member] | Single Issue Trust Preferred Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	8,238
Available for sale debt securities		12,560
Fair Value, Measurements, Recurring [Member] | Corporate Bonds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	68,419
Available for sale debt securities		28,490
Fair Value, Measurements, Recurring [Member] | Financial Services Industry [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities		3,545
Equity securities	175
Fair Value, Measurements, Recurring [Member] | Other Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities		1
Equity securities	4,633
Fair Value, Measurements, Recurring [Member] | Marketable Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	9,664
Fair Value, Measurements, Recurring [Member] | Interest Rate Lock Commitments [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial assets	6,541	4,561
Fair Value, Measurements, Recurring [Member] | TBA Mortgage Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial liabilities	1,422	312
Interest Rate Swap Contracts [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial assets	3,329	538
Derivative financial liabilities		165
Forward Loan Sale Commitments [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial assets	112
Equity Mutual Funds [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities		6,332
Equity securities	4,856
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	6,940	6,664
Loans held for sale	0	0
Derivative financial assets	0	0
Derivative financial liabilities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Marketable Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	9,664
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 equity securities		6,664
Total available for sale securities	6,940	6,664
Loans held for sale	0	0
Derivative financial assets	0	0
Derivative financial liabilities	0	0
Available for sale debt securities		0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] | 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	0
Available for sale debt securities		0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] | State and Political Subdivisions [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	0
Available for sale debt securities		0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] | Residential Mortgage-Backed Securities [Member] | Agency [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	0
Available for sale debt securities		0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] | Residential Mortgage-Backed Securities [Member] | Non-Agency [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	0
Available for sale debt securities		0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] | Commercial Mortgage-Backed Securities [Member] | Agency [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	0
Available for sale debt securities		0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] | Asset-Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	0
Available for sale debt securities		0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] | Trust Preferred Collateralized Debt Obligations [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	0
Available for sale debt securities		0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] | Single Issue Trust Preferred Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	0
Available for sale debt securities		0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Bonds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	6,940
Available for sale debt securities		0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] | Financial Services Industry [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities		331
Equity securities	175
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] | Other Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities		1
Equity securities	4,633
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] | Marketable Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	9,664
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] | Interest Rate Lock Commitments [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial assets	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] | TBA Mortgage Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial liabilities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Interest Rate Swap 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
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Forward Loan Sale Commitments [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial assets	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		6,332
Equity securities	4,856
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	2,048,169	1,847,823
Loans held for sale	2,755	2,647
Derivative financial assets	3,441	540
Derivative financial liabilities	1,422	477
Significant Other Observable Inputs (Level 2) [Member] | Marketable Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	0
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 equity securities		3,214
Total available for sale securities	2,048,169	1,847,823
Loans held for sale	0	0
Derivative financial assets	3,441	540
Derivative financial liabilities	1,422	477
Available for sale debt securities		1,844,609
Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] | 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	143,815
Available for sale debt securities		114,758
Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] | State and Political Subdivisions [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	272,180
Available for sale debt securities		303,869
Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] | Residential Mortgage-Backed Securities [Member] | Agency [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	890,129
Available for sale debt securities		814,593
Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] | Residential Mortgage-Backed Securities [Member] | Non-Agency [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	4,794
Available for sale debt securities		5,512
Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] | Commercial Mortgage-Backed Securities [Member] | Agency [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	501,403
Available for sale debt securities		454,857
Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] | Asset-Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	166,131
Available for sale debt securities		109,970
Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] | Trust Preferred Collateralized Debt Obligations [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	0
Available for sale debt securities		0
Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] | Single Issue Trust Preferred Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	8,238
Available for sale debt securities		12,560
Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Bonds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	61,479
Available for sale debt securities		28,490
Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] | Financial Services Industry [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities		3,214
Equity securities	0
Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] | Other Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities		0
Equity securities	0
Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] | Marketable Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	0
Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] | Interest Rate Lock Commitments [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial assets	0	2
Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] | TBA Mortgage Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial liabilities	1,422	312
Significant Other Observable Inputs (Level 2) [Member] | Interest Rate Swap Contracts [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial assets	3,329	538
Derivative financial liabilities		165
Significant Other Observable Inputs (Level 2) [Member] | Forward Loan Sale Commitments [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial assets	112
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
Equity securities	0
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	5,818	34,269
Loans held for sale	282,439	263,308
Derivative financial assets	6,541	4,559
Derivative financial liabilities	0	0
Significant Unobservable Inputs (Level 3) [Member] | Marketable Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	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 equity securities		0
Total available for sale securities	5,818	34,269
Loans held for sale	282,439	263,308
Derivative financial assets	6,541	4,559
Derivative financial liabilities	0	0
Available for sale debt securities		34,269
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] | 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	0
Available for sale debt securities		0
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] | State and Political Subdivisions [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	0
Available for sale debt securities		0
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] | Residential Mortgage-Backed Securities [Member] | Agency [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	0
Available for sale debt securities		0
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] | Residential Mortgage-Backed Securities [Member] | Non-Agency [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	0
Available for sale debt securities		0
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] | Commercial Mortgage-Backed Securities [Member] | Agency [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	0
Available for sale debt securities		0
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] | Asset-Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	0
Available for sale debt securities		0
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] | Trust Preferred Collateralized Debt Obligations [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	5,818
Available for sale debt securities		34,269
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] | Single Issue Trust Preferred Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	0
Available for sale debt securities		0
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Bonds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total available for sale securities	0
Available for sale debt securities		0
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] | Financial Services Industry [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities		0
Equity securities	0
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] | Other Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available for sale equity securities		0
Equity securities	0
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] | Marketable Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	0
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] | Interest Rate Lock Commitments [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial assets	6,541	4,559
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] | TBA Mortgage Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial liabilities	0	0
Significant Unobservable Inputs (Level 3) [Member] | Interest Rate Swap 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
Significant Unobservable Inputs (Level 3) [Member] | Forward Loan Sale Commitments [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative financial assets	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
Equity securities	$ 0

XML

Fair Value Measurements - Schedule of Additional Information about Financial Assets and Liabilities Measured at Fair Value Utilized Level 3 (Detail) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Trust Preferred Collateralized Debt Obligations [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Balance, beginning of period	$ 34,269	$ 33,552
Included in earnings (or changes in net assets)	28	9
Included in other comprehensive income	821	8,757
Purchases, issuances, and settlements	0	0
Sales	(29,300)	(8,049)
Transfers in and/or out of Level 3	0	0
Balance, end of period	5,818	34,269
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
Loans Held For Sale [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Balance, beginning of period	263,308	0
Included in earnings (or changes in net assets)	(38,351)	(58,132)
Acquired in Cardinal merger	0	271,301
Originations	1,448,225	2,333,927
Sales	(1,440,029)	(2,408,945)
Transfers in and/or out of Level 3	(27,416)	8,893
Balance, end of period	282,439	263,308
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
Interest Rate Lock Commitments [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Balance, beginning of period	4,559	0
Acquired in Cardinal merger	0	10,393
Transfers in and/or out of Level 3	1,982	(5,834)
Balance, end of period	6,541	4,559
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 Value Measurements - Schedule of Changes in Fair Value Included in Earnings of Financial Instruments for which Fair Value Option has been Elected (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Mortgage Banking [Member]
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Income from mortgage banking activities	$ 3,929	$ (2,439)	$ 3,092	$ (2,439)

XML

Fair Value Measurements - Summary of Difference Between Aggregate Fair Value and Remaining Contractual Principal Outstanding for Financial Instruments for which Fair Value Option has been Elected (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Fair Value Disclosures [Abstract]
Loans held for sale, unpaid principal balance	$ 275,693	$ 257,674
Loans held for sale, fair value	282,439	263,308
Loans held for sale, fair value over/(under) unpaid principal balance	$ 6,746	$ 5,634

XML

Fair Value Measurements - Summary of Financial Assets Measured at Fair Value on Nonrecurring Basis (Detail) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans held for sale	$ 0	$ 14
YTD Losses, Impaired Loans	1,581	12,291
YTD Losses, OREO	825	4,200
Loans held for sale	282,439	263,308
OREO	21,926	24,348
Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans held for sale	2,755	2,647
Impaired Loans	73,997	88,637
OREO	21,926	24,348
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans held for sale	0	0
Impaired Loans	0	0
OREO	0	0
Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans held for sale	2,755	2,647
Impaired Loans	65,174	70,950
OREO	21,747	24,151
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans held for sale	0	0
Impaired Loans	8,823	17,687
OREO	$ 179	$ 197

XML

Fair Value Measurements - Summary of Estimated Fair Values of Financial Instruments (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017	Dec. 31, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	$ 1,092,926	$ 1,666,167	$ 1,411,004	$ 1,434,527
Securities available for sale	2,060,927	1,888,756
Securities held to maturity	20,378	20,428
Other securities	175,334	162,461
Loans held for sale	285,194	265,955
Loans	13,516,629	13,011,421
Derivative financial assets	9,982	5,099
Deposits	13,830,766	13,830,591
Derivative financial liabilities	1,422	477
Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	1,092,926	1,666,167
Securities available for sale	2,060,927	1,888,756
Securities held to maturity	20,378	20,428
Other securities	175,334	162,461
Loans held for sale	285,194	265,955
Loans	13,439,494	12,934,794
Derivative financial assets	9,882	5,099
Deposits	13,830,766	13,830,591
Short-term borrowings	199,507	477,587
Long-term borrowings	1,794,641	1,363,977
Derivative financial liabilities	1,422	477
Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	1,092,926	1,666,167
Securities available for sale	2,060,927	1,888,756
Securities held to maturity	19,708	20,018
Other securities	166,568	154,338
Loans held for sale	285,194	265,955
Loans	12,582,256	12,437,797
Derivative financial assets	9,882	5,099
Deposits	13,789,447	14,024,720
Short-term borrowings	199,507	477,587
Long-term borrowings	1,767,186	1,338,754
Derivative financial liabilities	1,422	477
Marketable Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available for sale		9,878
Marketable Equity Securities [Member] | Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	9,664
Marketable Equity Securities [Member] | Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	9,664
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	6,940	6,664
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
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Marketable Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	9,664
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	1,092,926	1,666,167
Securities available for sale	2,048,169	1,847,823
Securities held to maturity	19,708	16,998
Other securities	0	0
Loans held for sale	2,755	2,647
Loans	0	0
Derivative financial assets	3,441	540
Deposits	13,789,447	14,024,720
Short-term borrowings	199,507	477,587
Long-term borrowings	1,767,186	1,338,754
Derivative financial liabilities	1,422	477
Significant Other Observable Inputs (Level 2) [Member] | Marketable Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	0
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	5,818	34,269
Securities held to maturity	0	3,020
Other securities	166,568	154,338
Loans held for sale	282,439	263,308
Loans	12,582,256	12,437,797
Derivative financial assets	6,541	4,559
Deposits	0	0
Short-term borrowings	0	0
Long-term borrowings	0	0
Derivative financial liabilities	0	$ 0
Significant Unobservable Inputs (Level 3) [Member] | Marketable Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	$ 0

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Stock Based Compensation - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended
	May 18, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized shares of stock, option plan, maximum	1,700,000,000
Aggregate number of shares issued in respect of restricted stock awards	500,000
Options available for award each plan year	1,200,000
Maximum number of shares of restricted stock or shares subject to a restricted stock units award granted						50,000
Maximum number of options and SARs						100,000
Maximum number of stock options and SARs awarded						10,000
Maximum number of Shares of restricted stock or shares subject to a restricted stock units award granted to individual non-employee director						5,000
Vesting period of awards				1/3 per year
Number of Options granted				276,192
Recognition of compensation expense		$ 1,992	$ 998	$ 1,024	$ 1,680
Number of share available for grant for prior plans		0		0
Maximum term for awards granted (years)				10 years
Shares issued related stock option exercises				42,089	126,808
Total intrinsic value of options exercised				$ 630	$ 2,501
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted				97,004
Vesting period				4 years

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Stock Based Compensation - Summary of Stock Option Plans (Detail) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Disclosure Stock Based Compensation Stock Option Plan [Abstract]
Shares, Outstanding, Beginning balance	1,558,438
Shares, Granted	276,192
Shares, Exercised	(42,089)	(126,808)
Shares, Forfeited or expired	(15,389)
Shares, Outstanding, Ending balance	1,777,152
Shares, Exercisable at June 30, 2018	1,191,092
Aggregate Intrinsic Value, Outstanding at June 30, 2018	$ 9,902,605
Aggregate Intrinsic Value, Exercisable at June 30, 2018	$ 9,780,319
Weighted Average Remaining Contractual Term, Outstanding at June 30, 2018	6 years
Weighted Average Remaining Contractual Term, Exercisable at June 30, 2018	4 years 7 months 6 days
Weighted Average Exercise Price, Outstanding, Beginning balance	$ 31.09
Weighted Average Exercise Price, Granted	37.60
Weighted Average Exercise Price, Exercised	21.72
Weighted Average Exercise Price, Forfeited or expired	33.17
Weighted Average Exercise Price, Outstanding, Ending balance	32.30
Weighted Average Exercise Price, Exercisable	$ 28.73

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Stock Based Compensation - Status of United's Nonvested Stock Option Awards (Detail)	6 Months Ended
	Jun. 30, 2018 $ / shares shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Shares, Nonvested, Beginning balance | shares	507,871
Shares, Granted | shares	276,192
Shares, Vested | shares	(187,815)
Shares, Forfeited or expired | shares	(10,188)
Shares, Nonvested, Ending balance | shares	586,060
Weighted-Average Grant Date Fair Value Per Share, Nonvested Beginning balance | $ / shares	$ 7.89
Weighted-Average Grant Date Fair Value Per Share, Granted | $ / shares	7.56
Weighted-Average Grant Date Fair Value Per Share, Vested | $ / shares	7.53
Weighted-Average Grant Date Fair Value Per Share, Forfeited or expired | $ / shares	7.61
Weighted-Average Grant Date Fair Value Per Share, Nonvested Ending balance | $ / shares	$ 7.86

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Stock Based Compensation - Changes to United's Restricted Common Shares (Detail) - Restricted Stock [Member]	6 Months Ended
	Jun. 30, 2018 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Outstanding, Beginning balance | shares	170,496
Shares, Granted | shares	97,004
Shares, Vested | shares	(62,411)
Shares, Forfeited | shares	(2,853)
Number of Shares, Outstanding, Ending balance | shares	202,236
Weighted-Average Grant Date Fair Value Per Share, Outstanding, Beginning balance | $ / shares	$ 40.05
Weighted-Average Grant Date Fair Value Per Share, Granted | $ / shares	37.60
Weighted-Average Grant Date Fair Value Per Share, Vested | $ / shares	37.59
Weighted-Average Grant Date Fair Value Per Share, Forfeited | $ / shares	37.97
Weighted-Average Grant Date Fair Value Per Share, Outstanding, Ending balance | $ / shares	$ 39.66

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Employee Benefit Plans - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Mar. 31, 2018	Jun. 30, 2018
Retirement Benefits [Abstract]
Employer discretionary contribution amount	$ 7,000
Unrecognized actuarial gains (losses), before tax		$ 56,222
Unrecognized actuarial gains (losses), net of tax		35,420
Amortization expected to be recognized		4,653
Amortization expected to be recognized, net of tax		$ 2,932

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Employee Benefit Plans - Net Periodic Pension Cost (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 666	$ 569	$ 1,324	$ 1,131
Interest cost	1,308	1,279	2,603	2,544
Expected return on plan assets	(2,551)	(2,049)	(5,073)	(4,076)
Recognized net actuarial loss	1,162	1,100	2,311	2,187
Net periodic pension (benefit) cost	$ 585	$ 899	$ 1,165	$ 1,786
Weighted-Average Assumptions:
Discount rate	3.83%	4.49%	3.83%	4.49%
Expected return on assets	7.00%	7.00%	7.00%	7.00%
Rate of compensation increase	3.00%	3.00%	3.00%	3.00%
Prior to Age 45 [Member]
Weighted-Average Assumptions:
Rate of compensation increase	3.50%	3.50%	3.50%	3.50%

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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Accrued interest related to uncertain tax positions	$ 721		$ 609	$ 721	$ 609
Federal corporate tax rate				21.00%		35.00%
Deferred tax expense due to the Tax Act		$ 37,732
Effective tax rate	22.50%		34.25%	22.49%	34.25%

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Comprehensive Income - Components of Total Comprehensive Income (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income	$ 66,274	$ 37,059	$ 127,980	$ 75,868
AFS securities with OTTI charges during the period	0	(16)	0	(60)
Related income tax effect	0	6	0	22
Less: OTTI charges recognized in net income	0	16	0	60
Related income tax benefit	0	(6)	0	(22)
Reclassification of previous noncredit OTTI to credit OTTI	0	0	0	0
Related income tax benefit	0	0	0	0
Net unrealized (losses) gains on AFS securities with OTTI	0	0	0	0
Change in net unrealized gain on AFS securities arising during the period	(10,684)	5,686	(32,701)	11,262
Related income tax effect	4,162	(2,104)	9,292	(4,167)
Net reclassification adjustment for (gains) losses included in net income	27	(763)	176	(977)
Related income tax expense (benefit)	(6)	282	(41)	361
Total AFS securities - all other	(6,501)	3,101	(23,274)	6,479
Net effect of AFS securities on other comprehensive income	(6,501)	3,101	(23,274)	6,479
Accretion on the unrealized loss for securities transferred from AFS to the HTM investment portfolio prior to call or maturity	2	2	4	4
Related income tax expense	(1)	(1)	(2)	(2)
Net effect of HTM securities on other comprehensive income	1	1	2	2
Pension plan:
Recognized net actuarial loss	1,162	1,100	2,311	2,187
Related income tax benefit	(110)	(405)	(526)	(797)
Net effect of change in pension plan asset on other comprehensive income	1,052	695	1,785	1,390
Net current-period other comprehensive income, net of tax	(5,448)	3,797	(21,487)	7,871
Comprehensive income, net of tax	$ 60,826	$ 40,856	$ 106,493	$ 83,739

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Comprehensive Income - Components of Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance			$ 3,240,530
Cumulative effect of adopting Accounting Standard Update 2016-01	$ 0		0
Reclass due to adopting Accounting Standard Update 2018-02	0		0
Net current-period other comprehensive income, net of tax	(5,448)	$ 3,797	(21,487)	$ 7,871
Ending Balance	3,242,565		3,242,565
Pension Plan [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance			(35,775)
Cumulative effect of adopting Accounting Standard Update 2016-01	0		0
Reclass due to adopting Accounting Standard Update 2018-02	(4,721)		(4,721)
Other comprehensive income before reclassification			0
Amounts reclassified from accumulated other comprehensive income			1,785
Net current-period other comprehensive income, net of tax			1,785
Ending Balance	(38,711)		(38,711)
Unrealized Gains/Losses on AFS Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance			(6,204)
Cumulative effect of adopting Accounting Standard Update 2016-01	(136)		(136)
Reclass due to adopting Accounting Standard Update 2018-02	(1,632)		(1,632)
Other comprehensive income before reclassification			(23,409)
Amounts reclassified from accumulated other comprehensive income			135
Net current-period other comprehensive income, net of tax			(23,274)
Ending Balance	(31,246)		(31,246)
Accumulated Unrealized Loss On Securities Available For Sale Transferred To Held To Maturity [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance			(46)
Cumulative effect of adopting Accounting Standard Update 2016-01	0		0
Reclass due to adopting Accounting Standard Update 2018-02	0		0
Other comprehensive income before reclassification			2
Amounts reclassified from accumulated other comprehensive income			0
Net current-period other comprehensive income, net of tax			2
Ending Balance	(44)		(44)
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance			(42,025)
Cumulative effect of adopting Accounting Standard Update 2016-01	(136)		(136)
Reclass due to adopting Accounting Standard Update 2018-02	(6,353)		(6,353)
Other comprehensive income before reclassification			(23,407)
Amounts reclassified from accumulated other comprehensive income			1,920
Net current-period other comprehensive income, net of tax			(21,487)
Ending Balance	$ (70,001)		$ (70,001)

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Comprehensive Income - Reclassifications Out of Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Available for sale ("AFS") securities:
Income before income taxes	$ 85,515	$ 56,363	$ 165,120	$ 115,388
Related income tax effect	(19,241)	(19,304)	(37,140)	(39,520)
Net income	66,274	37,059	127,980	75,868
Pension plan:
Income before income taxes	85,515	56,363	165,120	115,388
Related income tax effect	(19,241)	(19,304)	(37,140)	(39,520)
Net income	$ 66,274	$ 37,059	127,980	$ 75,868
Reclassification out of Accumulated Other Comprehensive Income [Member]
Available for sale ("AFS") securities:
Net income			1,920
Pension plan:
Net income			1,920
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			176
Income before income taxes			176
Related income tax effect			(41)
Net income			135
Pension plan:
Income before income taxes			176
Related income tax effect			(41)
Net income			135
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment [Member]
Available for sale ("AFS") securities:
Income before income taxes			2,311
Related income tax effect			(526)
Net income			1,785
Pension plan:
Recognized net actuarial loss			2,311
Income before income taxes			2,311
Related income tax effect			(526)
Net income			$ 1,785

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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		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Earnings Per Share [Abstract]
Distributed earnings allocated to common stock	$ 35,516	$ 34,562	$ 71,195	$ 61,284
Undistributed earnings allocated to common stock	30,637	2,440	56,557	14,454
Net earnings allocated to common shareholders	$ 66,153	$ 37,002	$ 127,752	$ 75,738
Average common shares outstanding	104,682,910	99,197,807	104,770,681	90,100,627
Equivalents from stock options	269,878	422,238	287,333	469,662
Average diluted shares outstanding	104,952,788	99,620,045	105,058,014	90,570,289
Earnings per basic common share	$ 0.63	$ 0.37	$ 1.22	$ 0.84
Earnings per diluted common share	$ 0.63	$ 0.37	$ 1.22	$ 0.84

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Variable Interest Entities - Additional Information (Detail)	6 Months Ended
	Jun. 30, 2018 Trust
Variable Interest Entity, Not Primary Beneficiary, Disclosures [Abstract]
Number of statutory business trusts	14
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	6 Months Ended
	Jun. 30, 2018 USD ($)
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
Cardinal Statutory Trust I [Member]
Variable Interest Entity [Line Items]
Issuance Date	Jul. 27, 2004
Amount of Capital Securities Issued	$ 20,000
Interest Rate	3-month LIBOR + 2.40%
Maturity Date	Sep. 15, 2034
UFBC Capital Trust I [Member]
Variable Interest Entity [Line Items]
Issuance Date	Dec. 30, 2004
Amount of Capital Securities Issued	$ 5,000
Interest Rate	3-month LIBOR + 2.10%
Maturity Date	Mar. 15, 2035

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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	Jun. 30, 2018	Dec. 31, 2017
Variable Interest Entity [Line Items]
Aggregate Assets	$ 257,518	$ 266,669
Aggregate Liabilities	248,629	257,674
Risk Of Loss	$ 8,889	$ 8,995

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Segment Information - Additional Information (Detail)	6 Months Ended
	Jun. 30, 2018 Segment
Segment Reporting [Abstract]
Number of reportable segments	1
Number of business segment	2

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Segment Information - Summary of Segment Reporting Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting Information [Line Items]
Net interest income	$ 149,122	$ 136,245	$ 293,165	$ 243,865
Provision for loans losses	6,204	8,251	11,382	14,150
Other income	36,007	40,506	67,199	60,652
Other expense	93,410	112,137	183,862	174,979
Income taxes	19,241	19,304	37,140	39,520
Net income	66,274	37,059	127,980	75,868
Total assets (liabilities)	19,207,603	19,035,600	19,207,603	19,035,600
Average assets (liabilities)	18,712,384	18,183,015	18,628,621	16,304,164
Operating Segments [Member] | Community Banking [Member]
Segment Reporting Information [Line Items]
Net interest income	149,448	138,498	295,070	248,158
Provision for loans losses	6,204	8,251	11,382	14,150
Other income	17,465	18,223	35,235	35,036
Other expense	76,495	78,631	148,986	141,383
Income taxes	18,948	23,920	38,224	43,724
Net income	65,266	45,919	131,713	83,937
Total assets (liabilities)	19,112,133	18,984,921	19,112,133	18,984,921
Average assets (liabilities)	18,658,168	18,070,305	18,583,975	16,415,261
Operating Segments [Member] | Mortgage Banking [Member]
Segment Reporting Information [Line Items]
Net interest income	264	90	640	90
Provision for loans losses	0	0	0	0
Other income	23,468	22,393	38,351	22,393
Other expense	21,225	18,708	39,609	18,708
Income taxes	564	1,293	(139)	1,293
Net income	1,943	2,482	(479)	2,482
Total assets (liabilities)	388,292	382,086	388,292	382,086
Average assets (liabilities)	335,781	236,074	274,211	118,689
Other [Member]
Segment Reporting Information [Line Items]
Net interest income	(3,032)	(2,343)	(5,626)	(4,383)
Provision for loans losses	0	0	0	0
Other income	68	(110)	(754)	3,223
Other expense	(1,758)	14,798	(2,181)	14,888
Income taxes	(271)	(5,909)	(945)	(5,497)
Net income	(935)	(11,342)	(3,254)	(10,551)
Total assets (liabilities)	10,895	(4,807)	10,895	(4,807)
Average assets (liabilities)	6,776	(20,180)	9,231	(24,551)
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net interest income	2,442	0	3,081	0
Provision for loans losses	0	0	0	0
Other income	(4,994)	0	(5,633)	0
Other expense	(2,552)	0	(2,552)	0
Income taxes	0	0	0	0
Net income	0	0	0	0
Total assets (liabilities)	(303,717)	(326,600)	(303,717)	(326,600)
Average assets (liabilities)	$ (288,341)	$ (103,184)	$ (238,796)	$ (205,235)