10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

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

For the quarterly period ended March 31, 2016

Or

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

For the transition period from             to            

Commission File Number 001-11138

First Commonwealth Financial Corporation

(Exact name of registrant as specified in its charter)

Pennsylvania	25-1428528
(State or other jurisdiction of	(I.R.S. Employer
incorporation or organization)	Identification No.)
601 Philadelphia Street, Indiana, PA	15701
(Address of principal executive offices)	(Zip Code)

724-349-7220

(Registrant’s telephone number, including area code)

N/A

(Former name, former address and former fiscal year, if changed since last report)

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

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  x    No  ¨

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

Large accelerated filer  x    Accelerated filer  ¨    Smaller reporting company  ¨    Non-accelerated filer  ¨

(Do not check if a smaller reporting company)

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

The number of shares outstanding of issuer’s common stock, $1.00 par value, as of May 6, 2016, was 88,944,996.

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

FORM 10-Q

INDEX

		PAGE
PART I.	Financial Information
ITEM 1.	Financial Statements and Supplementary Data
	Included in Part I of this report:
	First Commonwealth Financial Corporation and Subsidiaries
	Condensed Consolidated Statements of Financial Condition (Unaudited)	3
	Condensed Consolidated Statements of Income (Unaudited)	4
	Condensed Consolidated Statements of Comprehensive Income (Unaudited)	5
	Condensed Consolidated Statements of Changes in Shareholders’ Equity (Unaudited)	6
	Condensed Consolidated Statements of Cash Flows (Unaudited)	7
	Notes to the Unaudited Condensed Consolidated Financial Statements	8
ITEM 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	36
ITEM 3.	Quantitative and Qualitative Disclosures About Market Risk	51
ITEM 4.	Controls and Procedures	51
PART II.	Other Information
ITEM 1.	Legal Proceedings	52
ITEM 1A.	Risk Factors	52
ITEM 2.	Unregistered Sales of Equity Securities and Use of Proceeds	53
ITEM 3.	Defaults Upon Senior Securities	53
ITEM 4.	Mine Safety Disclosures	53
ITEM 5.	Other Information	53
ITEM 6.	Exhibits	54
	Signatures	55

2

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Unaudited)

	March 31, 2016			December 31, 2015
	(dollars in thousands, except share data)
Assets
Cash and due from banks	$	62,141		$	66,644
Interest-bearing bank deposits	11,024			2,808
Securities available for sale, at fair value	890,198			886,560
Securities held to maturity, at amortized cost (Fair value of $400,964 and $382,341 at March 31, 2016 and December 31, 2015, respectively)	396,444			384,324
Other investments	60,597			62,952
Loans held for sale	5,849			5,763
Loans:
Portfolio loans	4,798,755			4,683,750
Allowance for credit losses	(55,222		)	(50,812		)
Net loans	4,743,533			4,632,938
Premises and equipment, net	63,860			63,454
Other real estate owned	8,636			9,398
Goodwill	164,500			164,500
Amortizing intangibles, net	1,094			1,231
Bank owned life insurance	183,897			182,601
Other assets	107,381			103,717
Total assets	$	6,699,154		$	6,566,890
Liabilities
Deposits (all domestic):
Noninterest-bearing	$	1,155,795		$	1,116,689
Interest-bearing	3,145,860			3,079,205
Total deposits	4,301,655			4,195,894
Short-term borrowings	1,518,742			1,510,825
Subordinated debentures	72,167			72,167
Other long-term debt	9,175			9,314
Total long-term debt	81,342			81,481
Other liabilities	64,101			59,144
Total liabilities	5,965,840			5,847,344
Shareholders’ Equity
Preferred stock, $1 par value per share, 3,000,000 shares authorized, none issued	—			—
Common stock, $1 par value per share, 200,000,000 shares authorized; 105,563,455 shares issued at March 31, 2016 and December 31, 2015, and 88,959,315 and 88,961,268 shares outstanding at March 31, 2016 and December 31, 2015, respectively	105,563			105,563
Additional paid-in capital	366,090			365,981
Retained earnings	384,330			378,081
Accumulated other comprehensive income (loss), net	5,278			(2,386		)
Treasury stock (16,604,140 and 16,602,187 shares at March 31, 2016 and December 31, 2015, respectively)	(127,947		)	(127,693		)
Total shareholders’ equity	733,314			719,546
Total liabilities and shareholders’ equity	$	6,699,154		$	6,566,890

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

3

ITEM 1. Financial Statements and Supplementary Data (Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited)

	For the Three Months Ended
	March 31,
	2016			2015
	(dollars in thousands, except share data)
Interest Income
Interest and fees on loans	$	45,034		$	42,601
Interest and dividends on investments:
Taxable interest	7,146			6,817
Interest exempt from federal income taxes	361			175
Dividends	806			1,489
Interest on bank deposits	6			3
Total interest income	53,353			51,085
Interest Expense
Interest on deposits	1,589			2,150
Interest on short-term borrowings	2,235			958
Interest on subordinated debentures	634			569
Interest on other long-term debt	88			236
Total interest expense	4,546			3,913
Net Interest Income	48,807			47,172
Provision for credit losses	6,526			1,159
Net Interest Income after Provision for Credit Losses	42,281			46,013
Noninterest Income
Net securities gains	—			105
Trust income	1,255			1,421
Service charges on deposit accounts	3,708			3,318
Insurance and retail brokerage commissions	1,959			2,195
Income from bank owned life insurance	1,296			1,354
Gain on sale of mortgage loans	683			439
Gain on sale of other loans and assets	195			224
Card-related interchange income	3,557			3,418
Derivatives mark to market expense	(1,014		)	(230		)
Other income	2,076			1,947
Total noninterest income	13,715			14,191
Noninterest Expense
Salaries and employee benefits	21,677			21,892
Net occupancy expense	3,481			3,911
Furniture and equipment expense	2,867			2,680
Data processing expense	1,759			1,438
Pennsylvania shares tax expense	758			794
Intangible amortization	137			156
Collection and repossession expense	569			511
Other professional fees and services	791			930
FDIC insurance	1,038			1,059
Loss on sale or write-down of assets	96			262
Litigation and operational losses	244			1,000
Other operating expenses	4,727			5,221
Total noninterest expense	38,144			39,854
Income Before Income Taxes	17,852			20,350
Income tax provision	5,379			6,129
Net Income	$	12,473		$	14,221
Average Shares Outstanding	88,840,088			90,875,724
Average Shares Outstanding Assuming Dilution	88,845,201			90,889,035
Per Share Data:
Basic Earnings per Share	$	0.14		$	0.16
Diluted Earnings per Share	$	0.14		$	0.16
Cash Dividends Declared per Common Share	$	0.07		$	0.07

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

4

ITEM 1. Financial Statements and Supplementary Data(Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited)

	For the Three Months Ended
	March 31,
	2016			2015
	(dollars in thousands)
Net Income	$	12,473		$	14,221
Other comprehensive income, before tax expense:
Unrealized holding gains on securities arising during the period	10,070			9,980
Less: reclassification adjustment for gains on securities included in net income	—			(105		)
Unrealized holding gains on derivatives arising during the period	1,735			1,195
Less: reclassification adjustment for (gains) losses on derivatives included in net income	(15		)	5
Total other comprehensive income, before tax expense	11,790			11,075
Income tax expense related to items of other comprehensive income	(4,126		)	(3,874		)
Total other comprehensive income	7,664			7,201
Comprehensive Income	$	20,137		$	21,422

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

5

ITEM 1. Financial Statements and Supplementary Data(Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY (Unaudited)

	Shares Outstanding		Common Stock		Additional Paid-in- Capital		Retained Earnings			Accumulated Other Comprehensive Income (Loss), net			Treasury Stock			Total Shareholders’ Equity
	(dollars in thousands, except share and per share data)
Balance at December 31, 2015	88,961,268		$	105,563	$	365,981	$	378,081		$	(2,386	)	$	(127,693	)	$	719,546
Net income							12,473									12,473
Other comprehensive income										7,664						7,664
Cash dividends declared ($0.07 per share)							(6,224		)							(6,224		)
Treasury stock acquired	(55,301	)											(488		)	(488		)
Restricted stock	53,348		—		109		—						234			343
Balance at March 31, 2016	88,959,315		$	105,563	$	366,090	$	384,330		$	5,278		$	(127,947	)	$	733,314

	Shares Outstanding		Common Stock		Additional Paid-in- Capital		Retained Earnings			Accumulated Other Comprehensive Income (Loss), net			Treasury Stock			Total Shareholders’ Equity
	(dollars in thousands, except share and per share data)
Balance at December 31, 2014	91,723,028		$	105,563	$	365,615	$	353,027		$	(4,499	)	$	(103,561	)	$	716,145
Net income							14,221									14,221
Other comprehensive income										7,201						7,201
Cash dividends declared ($0.07 per share)							(6,407		)							(6,407		)
Treasury stock acquired	(2,201,391	)											(18,874		)	(18,874		)
Restricted stock	134,370		—		259		—						315			574
Balance at March 31, 2015	89,656,007		$	105,563	$	365,874	$	360,841		$	2,702		$	(122,120	)	$	712,860

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

6

ITEM 1. Financial Statements and Supplementary Data(Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)

	For the Three Months Ended
	March 31,
	2016			2015
Operating Activities	(dollars in thousands)
Net income	$	12,473		$	14,221
Adjustment to reconcile net income to net cash provided by operating activities:
Provision for credit losses	6,526			1,159
Deferred tax expense	1,200			4,219
Depreciation and amortization	1,740			1,899
Net losses (gains) on securities and other assets	218			(267		)
Net amortization of premiums and discounts on securities	1,102			441
Income from increase in cash surrender value of bank owned life insurance	(1,296		)	(1,354		)
Increase in interest receivable	(911		)	(127		)
Mortgage loans originated for sale	(22,269		)	(15,382		)
Proceeds from sale of mortgage loans	22,858			15,472
Decrease in interest payable	(26		)	(92		)
Increase in income taxes payable	2,811			290
Other-net	(4,834		)	(4,748		)
Net cash provided by operating activities	19,592			15,731
Investing Activities
Transactions with securities held to maturity:
Proceeds from maturities and redemptions	6,924			—
Purchases	(19,695		)	(29,616		)
Transactions with securities available for sale:
Proceeds from maturities and redemptions	35,815			50,568
Purchases	(29,930		)	(500		)
Purchases of FHLB stock	(10,281		)	(13,801		)
Proceeds from the redemption of FHLB stock	12,636			11,270
Proceeds from bank owned life insurance	—			291
Proceeds from sale of other assets	2,101			1,008
Net (increase) decrease in loans	(118,137		)	9,540
Purchases of premises and equipment	(2,251		)	(1,665		)
Net cash (used in) provided by investing activities	(122,818		)	27,095
Financing Activities
Net (decrease) increase in federal funds purchased	(4,000		)	6,000
Net increase in other short-term borrowings	11,917			13,644
Net increase (decrease) in deposits	105,873			(21,761		)
Repayments of other long-term debt	(139		)	(25,134		)
Dividends paid	(6,224		)	(6,407		)
Purchase of treasury stock	(488		)	(18,421		)
Net cash provided by (used in) financing activities	106,939			(52,079		)
Net increase (decrease) in cash and cash equivalents	3,713			(9,253		)
Cash and cash equivalents at January 1	69,452			74,538
Cash and cash equivalents at March 31	$	73,165		$	65,285

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

7

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

Note 1 Basis of Presentation

The accounting and reporting policies of First Commonwealth Financial Corporation and its subsidiaries (“First Commonwealth” or the “Company”) conform with generally accepted accounting principles in the United States of America (“GAAP”). The preparation of financial statements in conformity with GAAP requires management to make estimates, assumptions and judgments that affect the amounts reported in the financial statements and accompanying notes. Actual realized amounts could differ from those estimates. In the opinion of management, the unaudited interim condensed consolidated financial statements include all adjustments (consisting of only normal recurring adjustments) necessary for a fair presentation of First Commonwealth’s financial position, results of operations, comprehensive income, cash flows and changes in shareholders’ equity as of and for the periods presented.

The results of operations for the three months endedMarch 31, 2016 are not necessarily indicative of the results that may be expected for the full year of 2016. These interim financial statements should be read in conjunction with First Commonwealth’s 2015 Annual Report on Form 10-K.

For purposes of reporting cash flows, cash and cash equivalents include cash on hand, amounts due from banks, federal funds sold and interest-bearing bank deposits. Generally, federal funds are sold for one-day periods.

Note 2 Supplemental Comprehensive Income Disclosures

The following table identifies the related tax effects allocated to each component of other comprehensive income (“OCI”) in the Condensed Consolidated Statements of Comprehensive Income. Reclassification adjustments related to securities available for sale are included in the "Net securities gains" line and reclassification adjustments related to losses on derivatives are included in the "Other operating expenses" line in the Condensed Consolidated Statements of Income.

	For the Three Months Ended March 31,
	2016									2015
	Pretax Amount			Tax (Expense) Benefit			Net of Tax Amount			Pretax Amount			Tax (Expense) Benefit			Net of Tax Amount
	(dollars in thousands)
Unrealized gains on securities:
Unrealized holding gains on securities arising during the period	$	10,070		$	(3,524	)	$	6,546		$	9,980		$	(3,491	)	$	6,489
Reclassification adjustment for gains on securities included in net income	—			—			—			(105		)	37			(68		)
Total unrealized gains on securities	10,070			(3,524		)	6,546			9,875			(3,454		)	6,421
Unrealized gains on derivatives:
Unrealized holding gains on derivatives arising during the period	1,735			(607		)	1,128			1,195			(418		)	777
Reclassification adjustment for (gains) losses on derivatives included in net income	(15		)	5			(10		)	5			(2		)	3
Total unrealized gains on derivatives	1,720			(602		)	1,118			1,200			(420		)	780
Total other comprehensive income	$	11,790		$	(4,126	)	$	7,664		$	11,075		$	(3,874	)	$	7,201

8

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

The following table details the change in components of OCI for the three months endedMarch 31:

	2016											2015
	Securities Available for Sale			Post-Retirement Obligation		Derivatives			Accumulated Other Comprehensive Income			Securities Available for Sale			Post-Retirement Obligation		Derivatives		Accumulated Other Comprehensive Income
	(dollars in thousands)
Balance at December 31	$	(2,956	)	$	10	$	560		$	(2,386	)	$	(4,875	)	$	76	$	300	$	(4,499	)
Other comprehensive income before reclassification adjustment	6,546			—		1,128			7,674			6,489			—		777		7,266
Amounts reclassified from accumulated other comprehensive (loss) income	—			—		(10		)	(10		)	(68		)	—		3		(65		)
Net other comprehensive income during the period	6,546			—		1,118			7,664			6,421			—		780		7,201
Balance at March 31	$	3,590		$	10	$	1,678		$	5,278		$	1,546		$	76	$	1,080	$	2,702

Note 3 Supplemental Cash Flow Disclosures

The following table presents information related to cash paid during the period for interest, as well as detail on non-cash investing and financing activities for the three months endedMarch 31:

	2016		2015
	(dollars in thousands)
Cash paid during the period for:
Interest	$	4,674	$	4,004
Income taxes	1,000		1,500
Non-cash investing and financing activities:
Loans transferred to other real estate owned and repossessed assets	1,355		797
Loans transferred from held to maturity to held for sale	—		3,011
Gross increase in market value adjustment to securities available for sale	10,070		9,869
Gross increase in market value adjustment to derivatives	1,720		1,200
Investments committed to purchase, not settled	600		637
Unsettled treasury stock repurchases	—		453

Note 4 Earnings per Share

The following table summarizes the composition of the weighted-average common shares (denominator) used in the basic and diluted earnings per share computations:

	For the Three Months Ended March 31,
	2016		2015
Weighted average common shares issued	105,563,455		105,563,455
Average treasury stock shares	(16,623,094	)	(14,503,976	)
Average unearned nonvested shares	(100,273	)	(183,755	)
Weighted average common shares and common stock equivalents used to calculate basic earnings per share	88,840,088		90,875,724
Additional common stock equivalents (nonvested stock) used to calculate diluted earnings per share	5,113		13,311
Weighted average common shares and common stock equivalents used to calculate diluted earnings per share	88,845,201		90,889,035

9

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

The following table shows the number of shares and the price per share related to common stock equivalents that were not included in the computation of diluted earnings per share for the three months endedMarch 31 because to do so would have been antidilutive.

	2016			2015
		Price Range			Price Range
	Shares	From	To	Shares	From	To
Restricted Stock	88,508	7.21	9.84	118,390	7.35	9.26

Note 5 Commitments and Contingent Liabilities

Commitments and Letters of Credit

Standby letters of credit and commercial letters of credit are conditional commitments issued by First Commonwealth to guarantee the performance of a customer to a third party. The contract or notional amount of these instruments reflects the maximum amount of future payments that First Commonwealth could be required to pay under the guarantees if there were a total default by the guaranteed parties, without consideration of possible recoveries under recourse provisions or from collateral held or pledged. In addition, many of these commitments are expected to expire without being drawn upon; therefore, the total commitment amounts do not necessarily represent future cash requirements.

The following table identifies the notional amount of those instruments at:

	March 31, 2016		December 31, 2015
	(dollars in thousands)
Financial instruments whose contract amounts represent credit risk:
Commitments to extend credit	$	1,643,908	$	1,643,187
Financial standby letters of credit	17,805		17,843
Performance standby letters of credit	27,352		26,497
Commercial letters of credit	1,718		1,672

The notional amounts outstanding as of March 31, 2016 include amounts issued in 2016 of $13 thousand in financial standby letters of credit, $1.3 million in performance standby letters of credit and $0.2 million commercial letters of credit. A liability of $0.1 million and $0.2 million has been recorded as of March 31, 2016 and December 31, 2015, respectively, which represents the estimated fair value of letters of credit issued. The fair value of letters of credit is estimated based on the unrecognized portion of fees received at the time the commitment was issued.

Unused commitments and letters of credit provide exposure to future credit loss in the event of nonperformance by the borrower or guaranteed parties. Management’s evaluation of the credit risk related to these commitments resulted in the recording of a liability of $4.1 million as of March 31, 2016 and $4.4 million as of December 31, 2015. This liability is reflected in "Other liabilities" in the Condensed Consolidated Statements of Financial Condition. The credit risk evaluation incorporated probability of default, loss given default and estimated utilization for the next twelve months for each loan category and the letters of credit.

Legal Proceedings

First Commonwealth and its subsidiaries are subject in the normal course of business to various pending and threatened legal proceedings in which claims for monetary damages are asserted. As of March 31, 2016, management, after consultation with legal counsel, does not anticipate that the aggregate ultimate liability arising out of litigation pending or threatened against First Commonwealth or its subsidiaries will be material to First Commonwealth’s consolidated financial position. On at least a quarterly basis, First Commonwealth assesses its liabilities and contingencies in connection with such legal proceedings. For those matters where it is probable that First Commonwealth will incur losses and the amounts of the losses can be reasonably estimated, First Commonwealth records an expense and corresponding liability in its consolidated financial statements. To the extent the pending or threatened litigation could result in exposure in excess of that liability, the amount of such excess is not currently estimable. Although not considered probable, the range of reasonably possible losses for such matters in the aggregate, beyond the existing recorded liability (if any), is between $0 and $7 million. Although First Commonwealth does not believe that the outcome of pending litigation will be material to First Commonwealth’s consolidated financial position, it

10

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

cannot rule out the possibility that such outcomes will be material to the consolidated results of operations and cash flows for a particular reporting period in the future.

First Commonwealth Financial Corporation and First Commonwealth Bank were named defendants in an action commenced August 27, 2015 by eight named plaintiffs that is pending in the Court of Common Pleas of Jefferson County, Pennsylvania.  The plaintiffs allege that the Bank repossessed motor vehicles, sold the vehicles and sought to collect deficiency balances in a manner that did not comply with the notice requirements of the Pennsylvania Uniform Commercial Code (UCC), charged inappropriate costs and fees, including storage costs for dates that a repossessed vehicle was not in storage, and wrongly filed forms with the Department of Motor Vehicles asserting that the Bank had complied with applicable laws relating to the repossession of the vehicles. The plaintiffs seek to pursue the action as a class action on behalf of the named plaintiffs and other similarly situated plaintiffs who had their automobiles repossessed and seek to recover damages under the UCC and the Pennsylvania Fair Credit Extension Uniformity Act. First Commonwealth and the Bank contest the plaintiffs’ allegations and intend to oppose class certification.  The Bank has also asserted counterclaims for breach of contract, set-off and recoupment against the plaintiffs, individually, and as representatives of the putative class.  As set forth in the preceding paragraph, all current litigation matters, including this action, are believed to be within the range of reasonably possible losses for such matters in the aggregate set forth above. 

Note 6 Investment Securities

Securities Available for Sale

Below is an analysis of the amortized cost and estimated fair values of securities available for sale at:

	March 31, 2016									December 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities – Residential	$	19,380	$	2,320	$	—		$	21,700	$	20,034	$	2,071	$	(13	)	$	22,092
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities – Residential	768,405		12,917		(1,697		)	779,625		778,476		7,983		(8,882		)	777,577
Mortgage-Backed Securities – Commercial	23		—		—			23		28		—		—			28
Other Government-Sponsored Enterprises	19,201		7		(5		)	19,203		19,201		2		(85		)	19,118
Obligations of States and Political Subdivisions	27,068		764		—			27,832		27,066		532		—			27,598
Corporate Securities	5,896		440		—			6,336		1,897		422		—			2,319
Pooled Trust Preferred Collateralized Debt Obligations	42,500		476		(9,703		)	33,273		42,239		916		(7,497		)	35,658
Total Debt Securities	882,473		16,924		(11,405		)	887,992		888,941		11,926		(16,477		)	884,390
Equities	2,206		—		—			2,206		2,170		—		—			2,170
Total Securities Available for Sale	$	884,679	$	16,924	$	(11,405	)	$	890,198	$	891,111	$	11,926	$	(16,477	)	$	886,560

Mortgage backed securities include mortgage backed obligations of U.S. Government agencies and obligations of U.S. Government-sponsored enterprises. These obligations have contractual maturities ranging from less than one year to approximately 30 years with lower anticipated lives to maturity due to prepayments. All mortgage backed securities contain a

11

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

certain amount of risk related to the uncertainty of prepayments of the underlying mortgages. Interest rate changes have a direct impact upon prepayment speeds; therefore, First Commonwealth uses computer simulation models to test the average life and yield volatility of all mortgage backed securities under various interest rate scenarios to monitor the potential impact on earnings and interest rate risk positions.

Expected maturities will differ from contractual maturities because issuers may have the right to call or repay obligations with or without call or prepayment penalties. Other fixed income securities within the portfolio also contain prepayment risk.

The amortized cost and estimated fair value of debt securities available for sale at March 31, 2016, by contractual maturity, are shown below.

	Amortized Cost		Estimated Fair Value
	(dollars in thousands)
Due within 1 year	$	2,601	$	2,601
Due after 1 but within 5 years	20,596		20,640
Due after 5 but within 10 years	27,068		27,832
Due after 10 years	44,400		35,571
	94,665		86,644
Mortgage-Backed Securities (a)	787,808		801,348
Total Debt Securities	$	882,473	$	887,992

(a) Mortgage Backed Securities include an amortized cost of $19.4 million and a fair value of $21.7 million for Obligations of U.S. Government agencies issued by Ginnie Mae and an amortized cost of $768.4 million and a fair value of $779.6 million for Obligations of U.S. Government-sponsored enterprises issued by Fannie Mae and Freddie Mac.

Proceeds from sales, gross gains (losses) realized on sales, maturities and other-than-temporary impairment charges related to securities available for sale were as follows for the three months endedMarch 31:

	2016		2015
	(dollars in thousands)
Proceeds from sales	$	—	$	—
Gross gains (losses) realized:
Sales Transactions:
Gross gains	$	—	$	—
Gross losses	—		—
	—		—
Maturities and impairment
Gross gains	—		105
Gross losses	—		—
Other-than-temporary impairment	—		—
	—		105
Net gains and impairment	$	—	$	105

Securities available for sale with an estimated fair value of $478.2 million and $416.1 million were pledged as of March 31, 2016 and December 31, 2015, respectively, to secure public deposits and for other purposes required or permitted by law.

12

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

Securities Held to Maturity

Below is an analysis of the amortized cost and fair values of debt securities held to maturity at:

	March 31, 2016									December 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities – Residential	$	4,743	$	99	$	—		$	4,842	$	4,775	$	—	$	(7	)	$	4,768
Mortgage-Backed Securities- Commercial	16,767		—		(3		)	16,764		16,843		—		(247		)	16,596
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities – Residential	325,974		3,526		—			329,500		315,609		30		(1,824		)	313,815
Mortgage-Backed Securities – Commercial	15,067		273		—			15,340		15,187		—		(178		)	15,009
Obligations of States and Political Subdivisions	33,893		627		(2		)	34,518		31,910		301		(58		)	32,153
Total Securities Held to Maturity	$	396,444	$	4,525	$	(5	)	$	400,964	$	384,324	$	331	$	(2,314	)	$	382,341

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

	Amortized Cost		Estimated Fair Value
	(dollars in thousands)
Due within 1 year	$	—	$	—
Due after 1 but within 5 years	107		108
Due after 5 but within 10 years	27,839		28,412
Due after 10 years	5,947		5,998
	33,893		34,518
Mortgage-Backed Securities (a)	362,551		366,446
Total Debt Securities	$	396,444	$	400,964

(a) Mortgage Backed Securities include an amortized cost of $21.5 million and a fair value of $21.6 million for Obligations of U.S. Government agencies issued by Ginnie Mae and an amortized cost of $341.0 million and a fair value of $344.8 million for Obligations of U.S. Government-sponsored enterprises issued by Fannie Mae and Freddie Mac.

Securities held to maturity with an amortized cost of $58.3 million and $45.7 million were pledged as of March 31, 2016 and December 31, 2015, respectively, to secure public deposits and for other purposes required or permitted by law.

13

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

Note 7 Impairment of Investment Securities

Securities Available for Sale and Held to Maturity

As required by FASB ASC Topic 320, “Investments – Debt and Equity Securities,” credit-related other-than-temporary impairment on debt securities is recognized in earnings, while non-credit related other-than-temporary impairment on debt securities not expected to be sold is recognized in OCI. During the three months endedMarch 31, 2016 and 2015, no other-than-temporary impairment charges were recognized.

First Commonwealth utilizes the specific identification method to determine the net gain or loss on debt securities and the average cost method to determine the net gain or loss on equity securities.

We review our investment portfolio on a quarterly basis for indications of impairment. This review includes analyzing the length of time and the extent to which the fair value has been lower than the cost, the financial condition and near-term prospects of the issuer, including any specific events which may influence the operations of the issuer and whether we are more likely than not to sell, or be required to sell, the security. We evaluate whether we are more likely than not to sell debt securities based upon our investment strategy for the particular type of security and our cash flow needs, liquidity position, capital adequacy, tax position and interest rate risk position. In addition, the risk of future other-than-temporary impairment may be influenced by additional bank failures, weakness in the U.S. economy, changes in real estate values and additional interest deferrals in our pooled trust preferred collateralized debt obligations. Our pooled trust preferred collateralized debt obligations are beneficial interests in securitized financial assets within the scope of FASB ASC Topic 325, “Investments – Other,” and are therefore evaluated for other-than-temporary impairment using management’s best estimate of future cash flows. If these estimated cash flows indicate that it is probable that an adverse change in cash flows has occurred, then other-than-temporary impairment would be recognized in accordance with FASB ASC Topic 320. There is a risk that First Commonwealth will record other-than-temporary impairment charges in the future. See Note 10, “Fair Values of Assets and Liabilities,” for additional information.

The following table presents the gross unrealized losses and estimated fair values at March 31, 2016 for both available for sale and held to maturity securities by investment category and time frame for which securities have been in a continuous unrealized loss position:

	Less Than 12 Months					12 Months or More					Total
	Estimated Fair Value		Gross Unrealized Losses			Estimated Fair Value		Gross Unrealized Losses			Estimated Fair Value		Gross Unrealized Losses
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities – Commercial	$	16,764	$	(3	)	$	—	$	—		$	16,764	$	(3	)
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities – Residential	26,650		(14		)	212,200		(1,683		)	238,850		(1,697		)
Other Government-Sponsored Enterprises	5,596		(5		)	—		—			5,596		(5		)
Obligations of States and Political Subdivisions	543		(2		)	—		—			543		(2		)
Pooled Trust Preferred Collateralized Debt Obligations	—		—			27,923		(9,703		)	27,923		(9,703		)
Total Securities	$	49,553	$	(24	)	$	240,123	$	(11,386	)	$	289,676	$	(11,410	)

At March 31, 2016, fixed income securities issued by U.S. Government-sponsored enterprises comprised 15% of total unrealized losses due to changes in market interest rates. Pooled trust preferred collateralized debt obligations accounted for 85% of the unrealized losses primarily due to the illiquid market for this investment type. At March 31, 2016, there are 30 debt securities in an unrealized loss position.

14

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

The following table presents the gross unrealized losses and estimated fair values at December 31, 2015 by investment category and time frame for which securities have been in a continuous unrealized loss position:

	Less Than 12 Months					12 Months or More					Total
	Estimated Fair Value		Gross Unrealized Losses			Estimated Fair Value		Gross Unrealized Losses			Estimated Fair Value		Gross Unrealized Losses
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities – Residential	$	6,798	$	(20	)	$	—	$	—		$	6,798	$	(20	)
Mortgage-Backed Securities - Commercial	16,596		(247		)	—		—			16,596		(247		)
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities – Residential	436,011		(3,293		)	263,119		(7,413		)	699,130		(10,706		)
Mortgage-Backed Securities – Commercial	15,009		(178		)	—		—			15,009		(178		)
Other Government-Sponsored Enterprises	12,316		(85		)	—		—			12,316		(85		)
Obligation of States and Political Subdivisions	7,208		(58		)	—		—			7,208		(58		)
Pooled Trust Preferred Collateralized Debt Obligations	—		—			29,957		(7,497		)	29,957		(7,497		)
Total Securities	$	493,938	$	(3,881	)	$	293,076	$	(14,910	)	$	787,014	$	(18,791	)

As of March 31, 2016, our corporate securities had an amortized cost and an estimated fair value of $5.9 million and $6.3 million, respectively. As of December 31, 2015, our corporate securities had an amortized cost and estimated fair value of $1.9 million and $2.3 million, respectively. Corporate securities are comprised of debt for large regional banks. There were no corporate securities in an unrealized loss position as of March 31, 2016 and December 31, 2015. When unrealized losses exist on these investments, management reviews each of the issuer’s asset quality, earnings trends and capital position, to determine whether issues in an unrealized loss position were other-than-temporarily impaired. All interest payments on the corporate securities are being made as contractually required.

As of March 31, 2016, the book value of our pooled trust preferred collateralized debt obligations totaled $42.5 million with an estimated fair value of $33.3 million, which includes securities comprised of 274 banks and other financial institutions. All of our pooled securities are mezzanine tranches, three of which have no senior class remaining in the issue. The credit ratings on all of our issues are below investment grade. At the time of initial issue, the subordinated tranches ranged in size from approximately 7% to 35% of the total principal amount of the respective securities and no more than 5% of any pooled security consisted of a security issued by any one institution. As of March 31, 2016, after taking into account management’s best estimates of future interest deferrals and defaults, four of our securities had no excess subordination in the tranches we own and five of our securities had excess subordination which ranged from 10% to 83% of the current performing collateral.

The following table provides information related to our pooled trust preferred collateralized debt obligations as of March 31, 2016:

Deal	Class	Book Value		Estimated Fair Value		Unrealized Gain (Loss)			Moody’s/ Fitch Ratings	Number of Banks	Deferrals and Defaults as a % of Current Collateral		Excess Subordination as a % of Current Performing Collateral
(dollars in thousands)
Pre TSL IV	Mezzanine	$	1,830	$	1,291	$	(539	)	B1/BB	6	18.05	%	59.28	%
Pre TSL VII	Mezzanine	3,020		3,272		252			Ca/-	14	49.68		—
Pre TSL VIII	Mezzanine	2,020		1,705		(315		)	C/C	28	53.00		—
Pre TSL IX	Mezzanine	2,385		1,778		(607		)	B1/C	38	29.80		9.82
Pre TSL X	Mezzanine	1,644		1,779		135			Caa1/C	43	30.66		—
Pre TSL XII	Mezzanine	5,735		4,324		(1,411		)	B3/C	66	22.03		—
Pre TSL XIII	Mezzanine	12,767		9,856		(2,911		)	Ba3/C	56	12.11		42.17
Pre TSL XIV	Mezzanine	12,889		8,969		(3,920		)	B1/CC	56	19.72		49.72
MMCap I	Mezzanine	210		299		89			Ca/C	8	58.11		83.30
Total		$	42,500	$	33,273	$	(9,227	)

15

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

Lack of liquidity in the market for trust preferred collateralized debt obligations, below investment grade credit ratings and market uncertainties related to the financial industry are factors contributing to the impairment on these securities.

All of the Company's pooled trust preferred securities are included in the non-exclusive list issued by the regulatory agencies and therefore are not considered covered funds under the Volcker Rule.

On a quarterly basis we evaluate our debt securities for other-than-temporary impairment. During the three months endedMarch 31, 2016 and 2015, there were no credit-related other-than-temporary impairment charges recognized on our pooled trust preferred collateralized debt obligations. When evaluating these investments, we determine a credit-related portion and a non-credit related portion of other-than-temporary impairment. The credit-related portion is recognized in earnings and represents the difference between book value and the present value of future cash flows. The non-credit related portion is recognized in OCI and represents the difference between the fair value of the security and the amount of credit-related impairment. A discounted cash flow analysis provides the best estimate of credit-related other-than-temporary impairment for these securities.

Additional information related to the discounted cash flow analysis follows:

Our pooled trust preferred collateralized debt obligations are measured for other-than-temporary impairment within the scope of FASB ASC Topic 325 by determining whether it is probable that an adverse change in estimated cash flows has occurred. Determining whether there has been an adverse change in estimated cash flows from the cash flows previously projected involves comparing the present value of remaining cash flows previously projected against the present value of the cash flows estimated at March 31, 2016. We consider the discounted cash flow analysis to be our primary evidence when determining whether credit related other-than-temporary impairment exists.

Results of a discounted cash flow test are significantly affected by other variables, such as the estimate of future cash flows, credit worthiness of the underlying banks and determination of probability of default of the underlying collateral. The following provides additional information for each of these variables:

• Estimate of Future Cash Flows – Cash flows are constructed in an INTEX cash flow model which includes each deal’s structural features. Projected cash flows include prepayment assumptions, which are dependent on the issuer's asset size and coupon rate. For collateral issued by financial institutions over $15 billion in asset size with a coupon over 7%, a 100% prepayment rate is assumed. Financial institutions over $15 billion with a coupon of 7% or under are assigned a prepayment rate of 40% for two years and 2% thereafter. Financial institutions with assets between $2 billion and $15 billion with coupons over 7% are assigned a 5% prepayment rate. For financial institutions below $2 billion, if the coupon is over 10%, a prepayment rate of 5% is assumed and for all other issuers, there is no prepayment assumption incorporated into the cash flows. The modeled cash flows are then used to estimate if all the scheduled principal and interest payments of our investments will be returned.

• Credit Analysis – A quarterly credit evaluation is performed for each of the 274 banks comprising the collateral across the various pooled trust preferred securities. Our credit evaluation considers all evidence available to us and includes the nature of the issuer’s business, its years of operating history, corporate structure, loan composition, loan concentrations, deposit mix, asset growth rates, geographic footprint and local economic environment. Our analysis focuses on profitability, return on assets, shareholders’ equity, net interest margin, credit quality ratios, operating efficiency, capital adequacy and liquidity.

• Probability of Default – A probability of default is determined for each bank and is used to calculate the expected impact of future deferrals and defaults on our expected cash flows. Each bank in the collateral pool is assigned a probability of default for each year until maturity. Currently, any bank that is in default is assigned a 100% probability of default and a 0% projected recovery rate. All other banks in the pool are assigned a probability of default based on their unique credit characteristics and market indicators with a 10% projected recovery rate. For the majority of banks currently in deferral we assume the bank continues to defer and will eventually default and, therefore, a 100% probability of default is assigned. However, for some deferring collateral there is the possibility that they will become current on interest or principal payments at some point in the future and in those cases a probability that the deferral will ultimately cure is assigned. The probability of default is updated quarterly. As of March 31, 2016, default probabilities for performing collateral ranged from 0.33% to 75%.

Our credit evaluation provides a basis for determining deferral and default probabilities for each underlying piece of collateral. Using the results of the credit evaluation, the next step of the process is to look at pricing of senior debt or credit default swaps for the issuer (or where such information is unavailable, for companies having similar credit profiles as the issuer). The pricing of these market indicators provides the information necessary to determine appropriate default probabilities for each bank.

16

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

In addition to the above factors, our evaluation of impairment also includes a stress test analysis which provides an estimate of excess subordination for each tranche. We stress the cash flows of each pool by increasing current default assumptions to the level of defaults that results in an adverse change in estimated cash flows. This stressed breakpoint is then used to calculate excess subordination levels for each pooled trust preferred security. The results of the stress test allow management to identify those pools that are at a greater risk for a future break in cash flows so that we can monitor banks in those pools more closely for potential deterioration of credit quality.

Our cash flow analysis as of March 31, 2016, indicates that no credit-related other-than-temporary impairment has occurred on our pooled trust preferred securities during the three months endedMarch 31, 2016. Based upon the analysis performed by management, it is probable that four of our pooled trust preferred securities will experience principal and interest shortfalls and therefore appropriate other-than-temporary charges were recorded in prior periods. These securities are identified in the table on page 15 with 0% “Excess Subordination as a Percentage of Current Performing Collateral.” For the remaining securities listed in that table, our analysis as of March 31, 2016 indicates it is probable that we will collect all contractual principal and interest payments. For four of those securities, PreTSL IX, PreTSL XIII, PreTSL XIV and MMCap I, other-than-temporary impairment charges were recorded in prior periods; however, due to improvement in the expected cash flows of these securities, it is now probable that all contractual payments will be received.

During 2008, 2009 and 2010, other-than-temporary impairment charges were recognized on all of our pooled trust preferred securities, except for PreTSL IV. Our cash flow analysis as of March 31, 2016, for all of these impaired securities indicates that it is now probable we will collect principal and interest in excess of what was estimated at the time other-than-temporary impairment charges were recorded. This change can be attributed to improvement in the underlying collateral for these securities and has resulted in the present value of estimated future principal and interest payments exceeding the securities' current book value. The excess for each bond of the present value of future cash flows over our current book value ranges from 20% to 129% and will be recognized as an adjustment to yield over the remaining life of these securities. The excess subordination recognized as an adjustment to yield is reflected in the following table as increases in cash flows expected to be collected.

The following table provides a cumulative roll forward of credit losses recognized in earnings for debt securities held and not intended to be sold:

	For the Three Months Ended March 31,
	2016			2015
	(dollars in thousands)
Balance, beginning (a)	$	24,851		$	26,246
Credit losses on debt securities for which other-than-temporary impairment was not previously recognized	—			—
Additional credit losses on debt securities for which other-than-temporary impairment was previously recognized	—			—
Increases in cash flows expected to be collected, recognized over the remaining life of the security (b)	(261		)	(321		)
Reduction for debt securities called during the period	—			(218		)
Balance, ending	$	24,590		$	25,707

(a) The beginning balance represents credit related losses included in other-than-temporary impairment charges recognized on debt securities in prior periods.

(b) Represents the increase in cash flows recognized in interest income during the period.

In the first three months of 2016 and 2015, no other-than-temporary impairment charges were recorded on equity securities. On a quarterly basis, management evaluates equity securities for other-than-temporary impairment by reviewing the severity and duration of decline in estimated fair value, research reports, analysts’ recommendations, credit rating changes, news stories, annual reports, regulatory filings, impact of interest rate changes and other relevant information. As of March 31, 2016 and 2015, there were no equity securities in an unrealized loss position.

Other Investments

As a member of the Federal Home Loan Bank ("FHLB"), First Commonwealth is required to purchase and hold stock in the FHLB to satisfy membership and borrowing requirements. The level of stock required to be held is dependent on the amount of First Commonwealth's mortgage-related assets and outstanding borrowings with the FHLB. This stock is restricted in that it can only be sold to the FHLB or to another member institution, and all sales of FHLB stock must be at par. As a result of these restrictions, FHLB stock is unlike other investment securities insofar as there is no trading market for FHLB stock and the transfer price is determined by FHLB membership rules and not by market participants. As of March 31, 2016 and

17

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

December 31, 2015, our FHLB stock totaled $60.6 million and $63.0 million, respectively, and is included in “Other investments” on the Condensed Consolidated Statements of Financial Condition.

FHLB stock is held as a long-term investment and its value is determined based on the ultimate recoverability of the par value. First Commonwealth evaluates impairment quarterly and has concluded that the par value of its investment in FHLB stock will be recovered. Accordingly, no impairment charge was recorded on these securities during the three months ended March 31, 2016.

Note 8 Loans and Allowance for Credit Losses

The following table provides outstanding balances related to each of our loan types:

	March 31, 2016		December 31, 2015
	(dollars in thousands)
Commercial, financial, agricultural and other	$	1,190,384	$	1,150,906
Real estate construction	256,856		220,736
Residential real estate	1,212,962		1,224,465
Commercial real estate	1,552,904		1,479,000
Loans to individuals	585,649		608,643
Total loans	$	4,798,755	$	4,683,750

Credit Quality Information

As part of the on-going monitoring of credit quality within the loan portfolio, the following credit worthiness categories are used in grading our loans:

Pass Acceptable levels of risk exist in the relationship. Includes all loans not classified as OAEM, substandard or doubtful.

Other Assets Especially Mentioned (OAEM) Potential weaknesses that deserve management’s close attention. The potential weaknesses may result in deterioration of the repayment prospects or weaken the Company’s credit position at some future date. The credit risk may be relatively minor, yet constitute an undesirable risk in light of the circumstances surrounding the specific credit. No loss of principal or interest is expected.

Substandard Well-defined weakness or a weakness that jeopardizes the repayment of the debt. A loan may be classified as substandard as a result of deterioration of the borrower’s financial condition and repayment capacity. Loans for which repayment plans have not been met or collateral equity margins do not protect the Company may also be classified as substandard.

Doubtful Loans with the characteristics of substandard loans with the added characteristic that collection or liquidation in full, on the basis of presently existing facts and conditions, is highly improbable.

The use of creditworthiness categories to grade loans permits management’s use of migration analysis to estimate a portion of credit risk. The Company’s internal creditworthiness grading system provides a measurement of credit risk based primarily on an evaluation of the borrower’s cash flow and collateral. Movement between these rating categories provides a predictive measure of credit losses and therefore assists in determining the appropriate level for the loan loss reserves. Category ratings are reviewed each quarter, at which time management analyzes the results, as well as other external statistics and factors related to loan performance. Loans that migrate towards higher risk rating levels generally have an increased risk of default, whereas loans that migrate toward lower risk ratings generally will result in a lower risk factor being applied to those related loan balances.

18

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

The following tables represent our credit risk profile by creditworthiness:

	March 31, 2016
	Commercial, financial, agricultural and other		Real estate construction		Residential real estate		Commercial real estate		Loans to individuals		Total
	(dollars in thousands)
Pass	$	1,085,770	$	256,423	$	1,198,103	$	1,530,565	$	585,269	$	4,656,130
Non-Pass
OAEM	18,522		433		5,178		7,676		—		31,809
Substandard	86,092		—		9,681		14,663		380		110,816
Doubtful	—		—		—		—		—		—
Total Non-Pass	104,614		433		14,859		22,339		380		142,625
Total	$	1,190,384	$	256,856	$	1,212,962	$	1,552,904	$	585,649	$	4,798,755

	December 31, 2015
	Commercial, financial, agricultural and other		Real estate construction		Residential real estate		Commercial real estate		Loans to individuals		Total
	(dollars in thousands)
Pass	$	1,074,858	$	220,267	$	1,209,606	$	1,436,714	$	608,342	$	4,549,787
Non-Pass
OAEM	11,825		442		5,244		30,012		—		47,523
Substandard	64,223		27		9,615		12,274		301		86,440
Doubtful	—		—		—		—		—		—
Total Non-Pass	76,048		469		14,859		42,286		301		133,963
Total	$	1,150,906	$	220,736	$	1,224,465	$	1,479,000	$	608,643	$	4,683,750

Portfolio Risks

The credit quality of our loan portfolio can potentially represent significant risk to our earnings, capital, regulatory agency relationships, investment community reputation and shareholder returns. First Commonwealth devotes a substantial amount of resources managing this risk primarily through our credit administration department that develops and administers policies and procedures for underwriting, maintaining, monitoring and collecting activities. Credit administration is independent of lending departments and oversight is provided by the credit committee of the First Commonwealth Board of Directors.

Criticized loans have been evaluated when determining the appropriateness of the allowance for credit losses, which we believe is adequate to absorb losses inherent to the portfolio as of March 31, 2016. However, changes in economic conditions, interest rates, borrower financial condition, delinquency trends or previously established fair values of collateral factors could significantly change those judgmental estimates.

19

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

Age Analysis of Past Due Loans by Segment

The following tables delineate the aging analysis of the recorded investments in past due loans as of March 31, 2016 and December 31, 2015. Also included in these tables are loans that are 90 days or more past due and still accruing because they are well-secured and in the process of collection.

	March 31, 2016
	30 - 59 days past due		60 - 89 days past due		90 days and greater and still accruing		Nonaccrual		Total past due and nonaccrual		Current		Total
	(dollars in thousands)
Commercial, financial, agricultural and other	$	277	$	92	$	130	$	34,851	$	35,350	$	1,155,034	$	1,190,384
Real estate construction	—		—		86		—		86		256,770		256,856
Residential real estate	3,639		1,308		205		6,642		11,794		1,201,168		1,212,962
Commercial real estate	1,270		—		—		4,963		6,233		1,546,671		1,552,904
Loans to individuals	1,732		548		909		380		3,569		582,080		585,649
Total	$	6,918	$	1,948	$	1,330	$	46,836	$	57,032	$	4,741,723	$	4,798,755

	December 31, 2015
	30 - 59 days past due		60 - 89 days past due		90 days and greater and still accruing		Nonaccrual		Total past due and nonaccrual		Current		Total
	(dollars in thousands)
Commercial, financial, agricultural and other	$	364	$	49	$	129	$	23,653	$	24,195	$	1,126,711	$	1,150,906
Real estate construction	280		—		—		28		308		220,428		220,736
Residential real estate	4,175		1,055		1,315		6,500		13,045		1,211,420		1,224,465
Commercial real estate	781		—		65		6,223		7,069		1,471,931		1,479,000
Loans to individuals	2,998		774		946		301		5,019		603,624		608,643
Total	$	8,598	$	1,878	$	2,455	$	36,705	$	49,636	$	4,634,114	$	4,683,750

Nonaccrual Loans

The previous tables summarize nonaccrual loans by loan segment. The Company generally places loans on nonaccrual status when the full and timely collection of interest or principal becomes uncertain, when part of the principal balance has been charged off and no restructuring has occurred, or the loans reach a certain number of days past due. Generally, loans 90 days or more past due are placed on nonaccrual status, except for consumer loans, which are placed in nonaccrual status at 150 days past due.

When a loan is placed on nonaccrual, the accrued unpaid interest receivable is reversed against interest income and all future payments received are applied as a reduction to the loan principal. Generally, the loan is returned to accrual status when (a) all delinquent interest and principal becomes current under the terms of the loan agreement or (b) the loan is both well-secured and in the process of collection and collectability is no longer in doubt.

Impaired Loans

Management considers loans to be impaired when, based on current information and events, it is determined that the Company will not be able to collect all amounts due according to the loan contract, including scheduled interest payments. Determination of impairment is treated the same across all loan categories. When management identifies a loan as impaired, the impairment is measured based on the present value of expected future cash flows, discounted at the loan’s effective interest rate, except when the sole source for repayment of the loan is the operation or liquidation of collateral. When the loan is collateral dependent, the appraised value less estimated cost to sell is utilized. If management determines the value of the impaired loan is less than the

20

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

recorded investment in the loan, impairment is recognized through an allowance estimate or a charge-off to the allowance. Troubled debt restructured loans on accrual status are also considered to be impaired loans.

When the ultimate collectability of the total principal of an impaired loan is in doubt and the loan is on nonaccrual status, all payments are applied to principal under the cost recovery method. When the ultimate collectability of the total principal of an impaired loan is not in doubt and the loan is on nonaccrual status, contractual interest is credited to interest income when received under the cash basis method.

Significant nonaccrual loans as of March 31, 2016, include the following:

• $11.5 million relationship of commercial industrial loans to a steel and aluminum servicing company. These loans were originated in 2011 and were placed in nonaccrual status during the first quarter of 2016. A valuation of the collateral was completed during the first quarter of 2016.

• $6.8 million relationship of commercial industrial loans to an oil and gas well services company. These loans were originated in 2014 and were placed in nonaccrual status during the fourth quarter of 2015. All collateral valuations were completed in June or November 2015 or March 2016.

• $3.8 million relationship of commercial industrial loans to a manufacturer of sporting goods. These loans were originated from 2012 to 2015 and were placed in nonaccrual status during the fourth quarter of 2015. All collateral valuations were completed in December 2015 or March 2016.

• $3.8 million relationship of commercial industrial loans to a local energy company. These loans were originated from 2008 to 2011 and were placed in nonaccrual status during the third quarter of 2013. Two of these loans were modified resulting in TDR classification: one loan totaling $1.3 million was modified in 2012, and the other loan totaling $2.5 million was modified in 2014. During the three months endedMarch 31, 2016, charge-offs of $1.1 million related to this relationship were recorded. A valuation of the collateral was updated during the first quarter of 2016.

• $3.7 million relationship of commercial industrial loans to an industrial manufacturer. These loans were originated in 2013 and were placed in nonaccrual status during the third quarter of 2015. A valuation of the collateral was completed during the fourth quarter of 2015.

21

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

The following tables include the recorded investment and unpaid principal balance for impaired loans with the associated allowance amount, if applicable, as of March 31, 2016 and December 31, 2015. Also presented are the average recorded investment in impaired loans and the related amount of interest recognized while the loan was considered impaired. Average balances are calculated using month-end balances of the loans for the period reported and are included in the table below based on their period-end allowance position.

	March 31, 2016						December 31, 2015
	Recorded investment		Unpaid principal balance		Related allowance		Recorded investment		Unpaid principal balance		Related allowance
	(dollars in thousands)
With no related allowance recorded:
Commercial, financial, agricultural and other	$	18,120	$	23,975			$	11,344	$	15,673
Real estate construction	—		—				28		117
Residential real estate	10,848		12,893				9,952		11,819
Commercial real estate	6,805		8,474				7,562		9,449
Loans to individuals	498		615				421		507
Subtotal	36,271		45,957				29,307		37,565
With an allowance recorded:
Commercial, financial, agricultural and other	24,526		24,701		12,900		20,132		22,590		6,952
Real estate construction	—		—		—		—		—		—
Residential real estate	496		728		75		461		672		51
Commercial real estate	522		525		420		944		1,008		42
Loans to individuals	—		—		—		—		—		—
Subtotal	25,544		25,954		13,395		21,537		24,270		7,045
Total	$	61,815	$	71,911	$	13,395	$	50,844	$	61,835	$	7,045

	For the Three Months Ended March 31,
	2016				2015
	Average recorded investment		Interest Income Recognized		Average recorded investment		Interest Income Recognized
	(dollars in thousands)
With no related allowance recorded:
Commercial, financial, agricultural and other	$	17,298	$	152	$	19,375	$	57
Real estate construction	17		44		239		—
Residential real estate	10,724		47		10,155		38
Commercial real estate	7,658		38		7,711		20
Loans to individuals	480		1		307		1
Subtotal	36,177		282		37,787		116
With an allowance recorded:
Commercial, financial, agricultural and other	17,027		28		10,917		28
Real estate construction	—		—		—		—
Residential real estate	497		—		901		3
Commercial real estate	529		5		1,323		1
Loans to individuals	—		—		—		—
Subtotal	18,053		33		13,141		32
Total	$	54,230	$	315	$	50,928	$	148

22

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

Unfunded commitments related to nonperforming loans were $2.5 million at March 31, 2016 and $0.1 million at December 31, 2015. After consideration of the requirements to draw and available collateral related to these commitments, a reserve of $43 thousand and $13 thousand was established for these off balance sheet exposures at March 31, 2016 and December 31, 2015, respectively.

Troubled debt restructured loans are those loans whose terms have been renegotiated to provide a reduction or deferral of principal or interest as a result of the financial difficulties experienced by the borrower, who could not obtain comparable terms from alternate financing sources.

The following table provides detail as to the total troubled debt restructured loans and total commitments outstanding on troubled debt restructured loans:

	March 31, 2016		December 31, 2015
	(dollars in thousands)
Troubled debt restructured loans
Accrual status	$	14,979	$	14,139
Nonaccrual status	13,366		12,360
Total	$	28,345	$	26,499
Commitments
Unused lines of credit	$	1,367	$	3,252

The following tables provide detail, including specific reserves and reasons for modification, related to loans identified as troubled debt restructurings:

	For the Three Months Ended March 31, 2016
		Type of Modification
	Number of Contracts	Extend Maturity		Modify Rate		Modify Payments		Total Pre-Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Specific Reserve
	(dollars in thousands)
Commercial, financial, agricultural and other	2	$	—	$	3,769	$	—	$	3,769	$	3,749	$	—
Residential real estate	8	—		114		874		988		910		—
Commercial real estate	3	65		—		133		198		169		—
Loans to individuals	3	—		18		5		23		16		—
Total	16	$	65	$	3,901	$	1,012	$	4,978	$	4,844	$	—

	For the Three Months Ended March 31, 2015
		Type of Modification
	Number of Contracts	Extend Maturity		Modify Rate		Modify Payments		Total Pre-Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Specific Reserve
	(dollars in thousands)
Commercial, financial, agricultural and other	1	$	1,498	$	—	$	—	$	1,498	$	1,476	$	—
Residential real estate	5	—		252		17		269		203		—
Commercial real estate	1	—		—		464		464		449		—
Loans to individuals	1	—		—		18		18		11		—
Total	8	$	1,498	$	252	$	499	$	2,249	$	2,139	$	—

23

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

The troubled debt restructurings included in the above tables are also included in the impaired loan tables provided earlier in this note. Loans defined as modified due to a change in rate may include loans that were modified for a change in rate as well as a reamortization of the principal and an extension of the maturity. For the three months endedMarch 31, 2016 and 2015, $3.9 million and $0.3 million, respectively, of total rate modifications represent loans with modifications to the rate as well as payment as a result of reamortization. For both 2016 and 2015 the changes in loan balances between the pre-modification balance and the post-modification balance are due to customer payments.

A troubled debt restructuring is considered to be in default when a restructured loan is 90 days or more past due. The following table provides information related to restructured loans that were considered to be in default during the three months endedMarch 31:

	2016			2015
	Number of Contracts	Recorded Investment		Number of Contracts	Recorded Investment
	(dollars in thousands)
Residential real estate	2	$	70	—	$	—
Total	2	$	70	—	$	—

The following tables provide detail related to the allowance for credit losses:

	For the Three Months Ended March 31, 2016
	Commercial, financial, agricultural and other			Real estate construction			Residential real estate			Commercial real estate			Loans to individuals			Total
	(dollars in thousands)
Allowance for credit losses:
Beginning Balance	$	31,035		$	887		$	2,606		$	11,924		$	4,360		$	50,812
Charge-offs	(1,392		)	—			(382		)	(265		)	(1,469		)	(3,508		)
Recoveries	134			223			118			756			161			1,392
Provision (credit)	11,944			(209		)	286			(6,932		)	1,437			6,526
Ending Balance	$	41,721		$	901		$	2,628		$	5,483		$	4,489		$	55,222
Ending balance: individually evaluated for impairment	$	12,900		$	—		$	75		$	420		$	—		$	13,395
Ending balance: collectively evaluated for impairment	28,821			901			2,553			5,063			4,489			41,827
Loans:
Ending balance	1,190,384			256,856			1,212,962			1,552,904			585,649			4,798,755
Ending balance: individually evaluated for impairment	42,016			—			6,246			5,934			—			54,196
Ending balance: collectively evaluated for impairment	1,148,368			256,856			1,206,716			1,546,970			585,649			4,744,559

24

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

	For the Three Months Ended March 31, 2015
	Commercial, financial, agricultural and other			Real estate construction			Residential real estate			Commercial real estate			Loans to individuals			Total
	(dollars in thousands)
Allowance for credit losses:
Beginning Balance	$	29,627		$	2,063		$	3,664		$	11,881		$	4,816		$	52,051
Charge-offs	(5,080		)	—			(566		)	(202		)	(1,261		)	(7,109		)
Recoveries	200			—			96			138			162			596
Provision (credit)	(341		)	(535		)	193			670			1,172			1,159
Ending Balance	$	24,406		$	1,528		$	3,387		$	12,487		$	4,889		$	46,697
Ending balance: individually evaluated for impairment	$	3,397		$	—		$	165		$	267		$	—		$	3,829
Ending balance: collectively evaluated for impairment	21,009			1,528			3,222			12,220			4,889			42,868
Loans:
Ending balance	1,066,788			107,882			1,210,511			1,400,276			652,144			4,437,601
Ending balance: individually evaluated for impairment	24,586			199			7,071			7,803			—			39,659
Ending balance: collectively evaluated for impairment	1,042,202			107,683			1,203,440			1,392,473			652,144			4,397,942

Note 9 Income Taxes

At March 31, 2016 and December 31, 2015, First Commonwealth had no material unrecognized tax benefits or accrued interest and penalties. If applicable, First Commonwealth will record interest and penalties as a component of noninterest expense. Federal and state tax years 2012 through 2014 are open for examination as of March 31, 2016.

Note 10 Fair Values of Assets and Liabilities

FASB ASC Topic 820, “Fair Value Measurements and Disclosures,” requires disclosures for non-financial assets and non-financial liabilities, except for items that are recognized or disclosed at fair value in the financial statements on a recurring basis (at least annually). All non-financial assets are included either as a separate line item on the Condensed Consolidated Statements of Financial Condition or in the “Other assets” category of the Condensed Consolidated Statements of Financial Condition. Currently, First Commonwealth does not have any non-financial liabilities to disclose.

FASB ASC Topic 825, “Financial Instruments”, permits entities to irrevocably elect to measure select financial instruments and certain other items at fair value. The unrealized gains and losses are required to be included in earnings each reporting period for the items that fair value measurement is elected. First Commonwealth has elected not to measure any existing financial instruments at fair value under FASB ASC Topic 825; however, in the future we may elect to adopt this guidance for select financial instruments.

In accordance with FASB ASC Topic 820, First Commonwealth groups financial assets and financial liabilities measured at fair value in three levels based on the principal markets in which the assets and liabilities are transacted and the observability of the data points used to determine fair value. These levels are:

• Level 1 – Valuations for assets and liabilities traded in active exchange markets, such as the New York Stock Exchange (“NYSE”). Valuations are obtained from readily available pricing sources for market transactions involving identical assets or liabilities. Level 1 securities include equity holdings comprised of publicly traded bank stocks which were priced using quoted market prices.

• Level 2 – Valuations for assets and liabilities traded in less active dealer or broker markets. Valuations are obtained for identical or comparable assets or liabilities from alternative pricing sources with reasonable levels of price transparency. Level 2 includes Obligations of U.S. Government securities issued by Agencies and Sponsored Enterprises, Obligations of

25

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

States and Political Subdivisions, corporate securities, FHLB stock, loans held for sale, interest rate derivatives (including interest rate caps, interest rate swaps and risk participation agreements), certain other real estate owned and certain impaired loans.

Level 2 investment securities are valued by a recognized third party pricing service using observable inputs. The model used by the pricing service varies by asset class and incorporates available market, trade and bid information as well as cash flow information when applicable. Because many fixed-income investment securities do not trade on a daily basis, the model uses available information such as benchmark yield curves, benchmarking of like investment securities, sector groupings and matrix pricing. The model will also use processes such as an option adjusted spread to assess the impact of interest rates and to develop prepayment estimates. Market inputs normally used in the pricing model include benchmark yields, reported trades, broker/dealer quotes, issuer spreads, two-sided markets, benchmark securities, bids, offers and reference data including market research publications.

Management validates the market values provided by the third party service by having another recognized pricing service price 100% of the securities on an annual basis and a random sample of securities each quarter, monthly monitoring of variances from prior period pricing and, on a monthly basis, evaluating pricing changes compared to expectations based on changes in the financial markets.

Other investments recorded in the Condensed Consolidated Statements of Financial Condition are comprised of FHLB stock whose estimated fair value is based on its par value. Additional information on FHLB stock is provided in Note 7, “Impairment of Investment Securities.”

Loans held for sale include residential mortgage loans originated for sale in the secondary mortgage market. The estimated fair value for these loans was determined on the basis of rates obtained in the respective secondary market.

Interest rate derivatives are reported at an estimated fair value utilizing Level 2 inputs and are included in other assets and other liabilities, and consist of interest rate swaps where there is no significant deterioration in the counterparties' (loan customers') credit risk since origination of the interest rate swap as well as interest rate caps and risk participation agreements. First Commonwealth values its interest rate swap and cap positions using a yield curve by taking market prices/rates for an appropriate set of instruments. The set of instruments currently used to determine the U.S. Dollar yield curve includes cash LIBOR rates from overnight to three months, Eurodollar futures contracts and swap rates from three years to thirty years. These yield curves determine the valuations of interest rate swaps. Interest rate derivatives are further described in Note 11, “Derivatives.”

For purposes of potential valuation adjustments to our derivative positions, First Commonwealth evaluates the credit risk of its counterparties as well as our own credit risk. Accordingly, we have considered factors such as the likelihood of default, expected loss given default, net exposures and remaining contractual life, among other things, in determining if any fair value adjustments related to credit risk are required. We review our counterparty exposure quarterly, and when necessary, appropriate adjustments are made to reflect the exposure.

We also utilize this approach to estimate our own credit risk on derivative liability positions. In 2016, we have not realized any losses due to a counterparty's inability to pay any uncollateralized positions.

The estimated fair value for other real estate owned included in Level 2 is determined by either an independent market-based appraisal less estimated costs to sell or an executed sales agreement.

• Level 3 – Valuations for assets and liabilities that are derived from other valuation methodologies, including option pricing models, discounted cash flow models and similar techniques, and not based on market exchange, dealer or broker traded transactions. If the inputs used to provide the valuation are unobservable and/or there is very little, if any, market activity for the security or similar securities, the securities would be considered Level 3 securities. Level 3 valuations incorporate certain assumptions and projections in determining the fair value assigned to such assets or liabilities. The assets included in Level 3 are pooled trust preferred collateralized debt obligations, non-marketable equity investments, certain interest rate derivatives, certain other real estate owned and certain impaired loans.

Our pooled trust preferred collateralized debt obligations are collateralized by the trust preferred securities of individual banks, thrifts and bank holding companies in the United States. There has been little or no active trading in these securities since 2009; therefore, it is more appropriate to determine estimated fair value using a discounted cash flow analysis. Detail on our process for determining the appropriate cash flows for this analysis is provided in Note 7, “Impairment of Investment Securities.” The discount rate applied to the cash flows is determined by evaluating the current market yields for comparable corporate and

26

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

structured credit products along with an evaluation of the risks associated with the cash flows of the comparable security. Due to the fact that there is no active market for the pooled trust preferred collateralized debt obligations, one key reference point is the market yield for the single issue trust preferred securities issued by banks and thrifts for which there is more activity than for the pooled securities. Adjustments are then made to reflect the credit and structural differences between these two security types.

Management validates the fair value of the pooled trust preferred collateralized debt obligations by monitoring the performance of the underlying collateral, discussing the discount rate, cash flow assumptions and general market trends with a specialized third party and confirming changes in the underlying collateral to the trustee reports. Management’s monitoring of the underlying collateral includes deferrals of interest payments, payment defaults, cures of previously deferred interest payments, any regulatory filings or actions and general news related to the underlying collateral. Management also evaluates fair value changes compared to expectations based on changes in the interest rates used in determining the discount rate and general financial markets.

The estimated fair value of the non-marketable equity investments included in Level 3 is based on par value.

For interest rate derivatives included in Level 3, the fair value incorporates credit risk by considering such factors as likelihood of default and expected loss given default based on the credit quality of the underlying counterparties (loan customers).

In accordance with ASU 2011-4, the following table provides information related to quantitative inputs and assumptions used in Level 3 fair value measurements.

	Fair Value (dollars in thousands)			Valuation Technique	Unobservable Inputs	Range / (weighted average)
Pooled Trust Preferred Securities	$	33,273		Discounted Cash Flow	Probability of default	0% - 100% (12.19%)
					Prepayment rates	0% - 73.15% (5.14%)
					Discount rates	5.50% - 12.50% (a)
Equities	2,206			Par Value	N/A	N/A
Impaired Loans	2,437		(b)	Reserve study	Discount rate	10.00%
					Gas per MCF	$1.63 - $3.38 (c)
					Oil per BBL/d	$40.97 - $56.16 (c)
	8,285		(b)	Discounted Cash Flow	Discount Rate	1.9% - 5.58%
Other Real Estate Owned	8			Internal Valuation	N/A	N/A

(a) Incorporates spread over risk free rate related primarily to credit quality and illiquidity of securities.

(b) The remainder of impaired loans valued using Level 3 inputs are not included in this disclosure as the values of those loans are based on bankruptcy agreement documentation.

(c) Unobservable inputs are defined as follows: MCF - million cubic feet; BBL/d - barrels per day.

The significant unobservable inputs used in the fair value measurement of pooled trust preferred securities are the probability of default, discount rates and prepayment rates. Significant increases in the probability of default or discount rate used would result in a decrease in the estimated fair value of these securities, while decreases in these variables would result in higher fair value measurements. In general, a change in the assumption of probability of default is accompanied by a directionally similar change in the discount rate. In most cases, increases in the prepayment rate assumptions would result in a higher estimated fair value for these securities while decreases would provide for a lower value. The direction of this change is somewhat dependent on the structure of the investment and the amount of the investment tranches senior to our position.

The discount rate is the significant unobservable input used in the fair value measurement of impaired loans. Significant increases in this rate would result in a decrease in the estimated fair value of the loans, while a decrease in this rate would result in a higher fair value measurement. Other unobservable inputs in the fair value measurement of impaired loans relate to gas, oil and natural gas prices. Increases in these prices would result in an increase in the estimated fair value of the loans, while a decrease in these prices would result in a lower fair value measurement.

27

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

The tables below present the balances of assets and liabilities measured at fair value on a recurring basis:

	March 31, 2016
	Level 1		Level 2		Level 3		Total
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities - Residential	$	—	$	21,700	$	—	$	21,700
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities - Residential	—		779,625		—		779,625
Mortgage-Backed Securities - Commercial	—		23		—		23
Other Government-Sponsored Enterprises	—		19,203		—		19,203
Obligations of States and Political Subdivisions	—		27,832		—		27,832
Corporate Securities	—		6,336		—		6,336
Pooled Trust Preferred Collateralized Debt Obligations	—		—		33,273		33,273
Total Debt Securities	—		854,719		33,273		887,992
Equities	—		—		2,206		2,206
Total Securities Available for Sale	—		854,719		35,479		890,198
Other Investments	—		60,597		—		60,597
Loans held for sale	—		5,849		—		5,849
Other Assets(a)	—		18,907		—		18,907
Total Assets	$	—	$	940,072	$	35,479	$	975,551
Other Liabilities(a)	$	—	$	17,924	$	—	$	17,924
Total Liabilities	$	—	$	17,924	$	—	$	17,924

(a) Hedging and non-hedging interest rate derivatives

	December 31, 2015
	Level 1		Level 2		Level 3		Total
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities - Residential	$	—	$	22,092	$	—	$	22,092
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities - Residential	—		777,577		—		777,577
Mortgage-Backed Securities - Commercial	—		28		—		28
Other Government-Sponsored Enterprises	—		19,118		—		19,118
Obligations of States and Political Subdivisions	—		27,598		—		27,598
Corporate Securities	—		2,319		—		2,319
Pooled Trust Preferred Collateralized Debt Obligations	—		—		35,658		35,658
Total Debt Securities	—		848,732		35,658		884,390
Equities	—		—		2,170		2,170
Total Securities Available for Sale	—		848,732		37,828		886,560
Other Investments	—		62,952		—		62,952
Loans held for sale	—		5,763		—		5,763
Other Assets(a)	—		11,273		—		11,273
Total Assets	$	—	$	928,720	$	37,828	$	966,548
Other Liabilities(a)	$	—	$	10,829	$	—	$	10,829
Total Liabilities	$	—	$	10,829	$	—	$	10,829

(a) Hedging and non-hedging interest rate derivatives

28

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

For the three months endedMarch 31, changes in Level 3 assets and liabilities measured at fair value on a recurring basis are summarized as follows:

	2016
	Pooled Trust Preferred Collateralized Debt Obligations			Equities		Total
	(dollars in thousands)
Balance, beginning of period	$	35,658		$	2,170	$	37,828
Total gains or losses
Included in earnings	—			—		—
Included in other comprehensive income	(2,385		)	—		(2,385		)
Purchases, issuances, sales and settlements
Purchases	—			36		36
Issuances	—			—		—
Sales	—			—		—
Settlements	—			—		—
Transfers into Level 3	—			—		—
Balance, end of period	$	33,273		$	2,206	$	35,479

	2015
	Pooled Trust Preferred Collateralized Debt Obligations			Equities		Total
	(dollars in thousands)
Balance, beginning of period	$	28,999		$	1,420	$	30,419
Total gains or losses
Included in earnings	105			—		105
Included in other comprehensive income	2,620			—		2,620
Purchases, issuances, sales and settlements
Purchases	—			500		500
Issuances	—			—		—
Sales	—			—		—
Settlements	(590		)	—		(590		)
Transfers into Level 3	—			—		—
Balance, end of period	$	31,134		$	1,920	$	33,054

During the three months endedMarch 31, 2016 and 2015, there were no transfers between fair value Levels 1, 2 or 3. There were no gains or losses included in earnings for the periods presented that are attributable to the change in realized gains (losses) relating to assets held at March 31, 2016 and 2015.

29

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

The tables below present the balances of assets measured at fair value on a nonrecurring basis at:

	March 31, 2016
	Level 1		Level 2		Level 3		Total
	(dollars in thousands)
Impaired loans	$	—	$	29,911	$	18,509	$	48,420
Other real estate owned	—		9,852		8		9,860
Total Assets	$	—	$	39,763	$	18,517	$	58,280

	December 31, 2015
	Level 1		Level 2		Level 3		Total
	(dollars in thousands)
Impaired loans	$	—	$	30,979	$	12,820	$	43,799
Other real estate owned	—		10,039		8		10,047
Total Assets	$	—	$	41,018	$	12,828	$	53,846

The following losses were realized on the assets measured on a nonrecurring basis:

	For the Three Months Ended March 31,
	2016			2015
	(dollars in thousands)
Impaired loans	$	(7,702	)	$	(555	)
Other real estate owned	(13		)	(69		)
Total losses	$	(7,715	)	$	(624	)

Impaired loans over $100 thousand are individually reviewed to determine the amount of each loan considered to be at risk of non-collection. The fair value for impaired loans that are collateral based is determined by reviewing real property appraisals, equipment valuations, accounts receivable listings and other financial information. A discounted cash flow analysis is performed to determine fair value for impaired loans when an observable market price or a current appraisal is not available. For real estate secured loans, First Commonwealth’s loan policy requires updated appraisals be obtained at least every twelve months on all impaired loans with balances of $250 thousand and over. For real estate secured loans with balances under $250 thousand, we rely on broker price opinions. For non-real estate secured assets, the Company normally relies on third party valuations specific to the collateral type.

The fair value for other real estate owned, determined by either an independent market-based appraisal less estimated costs to sell or an executed sales agreement, is classified as Level 2. The fair value for other real estate owned determined using an internal valuation is classified as Level 3. Other real estate owned has a current carrying value of $8.6 million as of March 31, 2016 and consists primarily of commercial real estate properties in Pennsylvania. We review whether events and circumstances subsequent to a transfer to other real estate owned have occurred that indicate the balance of those assets may not be recoverable. If events and circumstances indicate further impairment we will record a charge to the extent that the carrying value of the assets exceed their fair values, less estimated cost to sell, as determined by valuation techniques appropriate in the circumstances.

Certain other assets and liabilities, including goodwill and core deposit intangibles, are measured at fair value on a nonrecurring basis; that is, the instruments are not measured at fair value on an ongoing basis but are subject to fair value adjustments only in certain circumstances. Additional information related to goodwill is provided in Note 12, “Goodwill.” There were no other assets or liabilities measured at fair value on a nonrecurring basis during the three months endedMarch 31, 2016.

FASB ASC 825-10, “Transition Related to FSP FAS 107-1” and APB 28-1, “Interim Disclosures about Fair Value of Financial Instruments,” requires disclosure of the fair value of financial assets and financial liabilities, including those financial assets and financial liabilities that are not measured and reported at fair value on a recurring basis or nonrecurring basis. The methodologies for estimating the fair value of financial assets and financial liabilities that are measured at fair value on a recurring or nonrecurring basis are as discussed above. The methodologies for other financial assets and financial liabilities are discussed below.

30

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

Cash and due from banks and interest-bearing bank deposits: The carrying amounts for cash and due from banks and interest-bearing bank deposits approximate the estimated fair values of such assets.

Securities: Fair values for securities available for sale and held to maturity are based on quoted market prices, if available. If quoted market prices are not available, fair values are based on quoted market prices of comparable instruments. Pooled trust preferred collateralized debt obligations values are derived from other valuation methodologies, including option pricing models, discounted cash flow models and similar techniques, and not based on market exchange, dealer or broker traded transactions. These valuations incorporate certain assumptions and projections in determining the fair value assigned to each instrument. The carrying value of other investments, which includes FHLB stock, is considered a reasonable estimate of fair value.

Loans: The fair values of all loans are estimated by discounting the estimated future cash flows using interest rates currently offered for loans with similar terms to borrowers of similar credit quality adjusted for past due and nonperforming loans, which is not an exit price under FASB ASC Topic 820, “Fair Value Measurements and Disclosures.”

Loans Held for Sale: The estimated fair value of loans held for sale is based on market bids obtained from potential buyers.

Off-balance sheet instruments: Many of First Commonwealth’s off-balance sheet instruments, primarily loan commitments and standby letters of credit, are expected to expire without being drawn upon; therefore, the commitment amounts do not necessarily represent future cash requirements. FASB ASC Topic 460, “Guarantees” clarified that a guarantor is required to recognize, at the inception of a guarantee, a liability for the fair value of the obligation undertaken in issuing the guarantee. The carrying amount and fair value for standby letters of credit was $0.1 million and $0.2 million at March 31, 2016 and December 31, 2015, respectively. See Note 5, “Commitments and Contingent Liabilities,” for additional information.

Deposit liabilities: The estimated fair value of demand deposits, savings accounts and money market deposits is the amount payable on demand at the reporting date because of the customers’ ability to withdraw funds immediately. The carrying value of variable rate time deposit accounts and certificates of deposit approximate their fair values at the report date. Also, fair values of fixed rate time deposits for both periods are estimated by discounting the future cash flows using interest rates currently being offered and a schedule of aggregated expected maturities.

Short-term borrowings: The fair values of borrowings from the FHLB were estimated based on the estimated incremental borrowing rate for similar types of borrowings. The carrying amounts of other short-term borrowings such as federal funds purchased and securities sold under agreement to repurchase were used to approximate fair value due to the short-term nature of the borrowings.

Long-term debt and subordinated debt: The fair value of long-term debt and subordinated debt is estimated by discounting the future cash flows using First Commonwealth’s estimate of the current market rate for similar types of borrowing arrangements or an announced redemption price.

31

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

The following table presents carrying amounts and fair values of First Commonwealth’s financial instruments:

	March 31, 2016
			Fair Value Measurements Using:
	Carrying Amount		Total		Level 1		Level 2		Level 3
	(dollars in thousands)
Financial assets
Cash and due from banks	$	62,141	$	62,141	$	62,141	$	—	$	—
Interest-bearing deposits	11,024		11,024		11,024		—		—
Securities available for sale	890,198		890,198		—		854,719		35,479
Securities held to maturity	396,444		400,964		—		400,964		—
Other investments	60,597		60,597		—		60,597		—
Loans held for sale	5,849		5,849		—		5,849		—
Loans	4,798,755		4,791,929		—		29,911		4,762,018
Financial liabilities
Deposits	4,301,655		4,303,085		—		4,303,085		—
Short-term borrowings	1,518,742		1,518,561		—		1,518,561		—
Subordinated debt	72,167		61,208		—		—		61,208
Long-term debt	9,175		9,999		—		9,999		—

	December 31, 2015
			Fair Value Measurements Using:
	Carrying Amount		Total		Level 1		Level 2		Level 3
	(dollars in thousands)
Financial assets
Cash and due from banks	$	66,644	$	66,644	$	66,644	$	—	$	—
Interest-bearing deposits	2,808		2,808		2,808		—		—
Securities available for sale	886,560		886,560		—		848,732		37,828
Other investments	62,952		62,952		—		62,952		—
Loans held for sale	5,763		5,763		—		5,763		—
Loans	4,683,750		4,690,852		—		30,979		4,659,873
Financial liabilities
Deposits	4,195,894		4,198,817		—		4,198,817		—
Short-term borrowings	1,510,825		1,510,718		—		1,510,718		—
Subordinated debt	72,167		62,794		—		—		62,794
Long-term debt	9,314		9,834		—		9,834		—

Note 11 Derivatives

Derivatives Not Designated as Hedging Instruments

First Commonwealth is a party to interest rate derivatives that are not designated as hedging instruments. These derivatives relate to interest rate swaps that First Commonwealth enters into with customers to allow customers to convert variable rate loans to a fixed rate. First Commonwealth pays interest to the customer at a floating rate on the notional amount and receives interest from the customer at a fixed rate for the same notional amount. At the same time the interest rate swap is entered into with the customer, an offsetting interest rate swap is entered into with another financial institution. First Commonwealth pays the other financial institution interest at the same fixed rate on the same notional amount as the swap entered into with the customer, and receives interest from the financial institution for the same floating rate on the same notional amount.

32

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

The changes in the fair value of the swaps offset each other, except for the credit risk of the counterparties, which is determined by taking into consideration the risk rating, probability of default and loss given default for all counterparties.

We have 17 risk participation agreements with financial institution counterparties for interest rate swaps related to loans in which we are a participant. The risk participation agreements provide credit protection to the financial institution should the borrower fail to perform on its interest rate derivative contract with the financial institution. We have four risk participation agreements with financial institution counterparties for interest rate swaps related to loans in which we are the lead bank. The risk participation agreement provides credit protection to us should the borrower fail to perform on its interest rate derivative contract with us.

First Commonwealth is also party to interest rate caps that are not designated as hedging instruments. These derivatives relate to contracts that First Commonwealth enters into with loan customers that provide a maximum interest rate on their variable rate loan. At the same time the interest rate cap is entered into with the customer, First Commonwealth enters into an offsetting interest rate cap with another financial institution. The notional amount and maximum interest rate on both interest cap contracts are identical.

The fee received, less the estimate of the loss for the credit exposure, was recognized in earnings at the time of the transaction.

Derivatives Designated as Hedging Instruments

The Company has entered into four interest rate swap contracts that were designated as cash flow hedges. The interest rate swaps have a total notional amount of $200.0 million, $85.0 million with an original maturity of three years and $115.0 million with and original maturity of four years. The Company's risk management objective for these hedges is to reduce its exposure to variability in expected future cash flows related to interest payments on commercial loans benchmarked to the 1-month LIBOR rate. Therefore, the interest rate swaps convert the interest payments on the first $200.0 million of 1-month LIBOR based commercial loans into fixed rate payments.

The periodic net settlement of interest rate swaps is recorded as an adjustment to "Interest and fees on loans" in the Condensed Consolidated Statements of Income. For the three months endedMarch 31, 2016, there was a $0.4 million impact on interest income as a result of these interest rate swaps. Changes in the fair value of the effective portion of cash flow hedges are reported in OCI. When the cash flows associated with the hedged item are realized, the gain or loss included in OCI is recognized in "Interest and fees on loans," the same line item in the Condensed Consolidated Statements of Income as the income on the hedged items. The cash flow hedges were highly effective at March 31, 2016, and December 31, 2015, and changes in the fair value attributed to hedge ineffectiveness were not material.

The following table depicts the credit value adjustment recorded related to the notional amount of derivatives outstanding as well as the notional amount of risk participation agreements participated to other banks:

	March 31, 2016			December 31, 2015
	(dollars in thousands)
Derivatives not Designated as Hedging Instruments
Credit value adjustment	$	(1,544	)	$	(542	)
Notional Amount:
Interest rate derivatives	303,212			276,860
Interest rate caps	21,981			22,793
Risk participation agreements	128,481			126,612
Sold credit protection on risk participation agreements	(20,267		)	(20,383		)
Derivatives Designated as Hedging Instruments
Fair value adjustment	2,657			922
Notional Amount - Interest rate derivatives	200,000			200,000

33

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

The table below presents the amount representing the change in the fair value of derivative assets and derivative liabilities attributable to credit risk included in "Other income" on the Condensed Consolidated Statements of Income:

	For the Three Months Ended March 31,
	2016			2015
	(dollars in thousands)
Non-hedging interest rate derivatives
Decrease in other income	$	(1,014	)	$	(230	)
Hedging interest rate derivatives
Increase in interest and fees on loans	430			381
Increase in other expense	15			9

Note 12 Goodwill

FASB ASC Topic 350-20, “Intangibles – Goodwill and Other” requires an annual valuation of the fair value of a reporting unit that has goodwill and a comparison of the fair value to the book value of equity to determine whether the goodwill has been impaired. Goodwill is also required to be tested on an interim basis if an event or circumstance indicates that it is more likely than not that an impairment loss has been incurred. When triggering events or circumstances indicate that goodwill testing is required, an assessment of qualitative factors can be completed before performing the two step goodwill impairment test. ASU 2011-8 provides that if an assessment of qualitative factors determines it is more likely than not that the fair value of a reporting unit exceeds its carrying amount, then the two step goodwill impairment test is not required.

We consider First Commonwealth to be one reporting unit. The carrying amount of goodwill as of March 31, 2016 and December 31, 2015 was $164.5 million. No impairment charges on goodwill or other intangible assets were incurred in 2016 or 2015.

We test goodwill for impairment as of November 30th each year and again at any quarter-end if any material events occur during a quarter that may affect goodwill.

As of March 31, 2016, goodwill was not considered impaired; however, changing economic conditions that may adversely affect our performance, the fair value of our assets and liabilities, or our stock price could result in impairment, which could adversely affect earnings in future periods. Management will continue to monitor events that could impact this conclusion in the future.

Note 13 New Accounting Pronouncements

In August 2015, the FASB issued ASU No. 2015-14, “Revenue from Contracts with Customers (Topic 606).” In May 2014, the FASB issued ASU No. 2014-09, "Revenue from Contracts with Customers (Topic 606)," with an original effective date for annual reporting periods beginning after December 15, 2016. The core principle of ASU 2014-09 is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ASU 2015-14 deferred the effective date of ASU 2014-09 to annual periods and interim periods within those annual periods beginning after December 15, 2017. We are currently evaluating the potential impact of ASU 2015-14 on our financial statements.

In January 2016, the FASB issued ASU No. 2016-01, "Financial Instruments - Overall (Subtopic 825-10)," which addresses certain aspects of recognition, measurement, presentation and disclosure of financial instruments. This ASU addresses: 1. requiring equity investments to be measured at fair value, recognizing the changes in fair value through net income; 2. simplifying the impairment assessment of equity investments without readily determinable fair values by requiring a qualitative assessment to identify impairment; 3. eliminating the requirement to disclose the fair value of financial instruments measured at amortized cost for entities that are not public entities; 4. eliminating the requirement for public entities to disclose the methods and significant assumptions used to estimate the fair value of financial instruments measured at amortized cost; 5. requiring public entities to use the exit price notion when measuring the fair value of financial instruments; 6. requiring and entity to present separately in other comprehensive income the portion of the total change in the fair value of a liability resulting from a change in instrument-specific credit risk when the entity has elected to measure the liability at fair value in accordance with the fair value option for financial instruments; 7. requiring separate presentation of financial assets and financial liabilities by measurement category and form of financial asset on the balance sheet or in the accompanying notes to the financial statements;

34

ITEM 1. Financial Statements and Supplementary Data

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

and 8. clarifying that an entity should evaluate the need for a valuation allowance on a deferred tax asset related to available-for-sale securities in combination with the entity's other deferred tax assets. This ASU is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2017 for public entities and for fiscal years beginning after December 15, 2018 for entities that are not public entities. The adoption of this ASU is not expected to have a material impact on First Commonwealth’s financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-02, "Leases (Topic 842)," in order to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet and disclosing key information about leasing arrangements. Lessor accounting under the new guidance remains largely unchanged as it is substantially equivalent to existing guidance for sales-type leases, direct financing leases, and operating leases. Leveraged leases have been eliminated, although lessors can continue to account for existing leveraged leases using the current accounting guidance. Other limited changes were made to align lessor accounting with the lessee accounting model and the new revenue recognition standard. All entities will classify leases to determine how to recognize lease-related revenue and expense. Quantitative and qualitative disclosures will be required by lessees and lessors to meet the objective of enabling users of financial statements to assess the amount, timing, and uncertainty of cash flows arising from leases. The intention is to require enough information to supplement the amounts recorded in the financial statements so that users can understand more about the nature of an entity’s leasing activities. This ASU is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018. All entities are required to use a modified retrospective approach for leases that exist or are entered into after the beginning of the earliest comparative period in the financial statements. Entities have the option to use certain relief; full retrospective application is prohibited. Management has not yet evaluated the impact of the ASU on First Commonwealth's financial condition or results of operations and will be monitoring developments and additional guidance closely to determine the potential impact of the new standard.

In March 2016, FASB issued ASU No. 2016-05, "Derivatives and Hedging (Topic 815)," which clarifies that a change in the counterparty to a derivative instrument that has been designated as the hedging instrument under Topic 815 does not, in and of itself, require dedesignation of that hedging relationship provided that all other hedge accounting criteria continue to be met. This ASU is effective for public entities beginning after December 15, 2016, and interim periods within those fiscal years. The adoption of this ASU is not expected to have a material impact on First Commonwealth’s financial condition or results of operations.

In March 2016, FASB issued ASU No. 2016-09, “Compensation - Stock Compensation (Topic 718) - Improvements to Employee Share-Based Payment Accounting.” This update requires all income tax effects of awards to be recognized in the income statement when the awards vest or are settled. It also allows an employer to repurchase more of an employee’s shares than it can today for tax withholding purposes without triggering liability accounting and to make a policy election for forfeitures as they occur. The guidance is effective for public business entities for fiscal years beginning after December 15, 2016, and interim periods within those years. Early adoption is permitted. The adoption of this ASU is not expected to have a material impact on First Commonwealth’s financial condition or results of operations.

35

ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

This discussion and the related financial data are presented to assist in the understanding and evaluation of the consolidated financial condition and the results of operations of First Commonwealth Financial Corporation including its subsidiaries (“First Commonwealth”) for the three months endedMarch 31, 2016 and 2015, and should be read in conjunction with the Condensed Consolidated Financial Statements and notes thereto included in this Form 10-Q.

Forward-Looking Statements

Certain statements contained in this report that are not historical facts may constitute “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and are intended to be covered by the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, notwithstanding that such statements are not specifically identified as such. In addition, certain statements may be contained in our future filings with the Securities and Exchange Commission, in press releases, and in oral and written statements made by us or with our approval that are not statements of historical fact and constitute “forward-looking statements” as well. These statements, which are based on certain assumptions and describe our future plans, strategies and expectations, can generally be identified by the use of words such as “may,” “will,” “should,” “could,” “would,” “plan,” “believe,” “expect,” “anticipate,” “intend,” “estimate” or words of similar meaning. These forward-looking statements are subject to significant risks, assumptions and uncertainties, and could be affected by many factors, including, but not limited to: (1) local, regional, national and international economic conditions and the impact they may have on First Commonwealth and its customers; (2) volatility and disruption in national and international financial markets; (3) the effects of and changes in trade and monetary and fiscal policies and laws, including the interest rate policies of the Federal Reserve Board; (4) inflation, interest rate, commodity price, securities market and monetary fluctuations; (5) the effect of changes in laws and regulations (including laws and regulations concerning taxes, banking, securities and insurance) with which First Commonwealth or its customers must comply; (6) the soundness of other financial institutions; (7) political instability; (8) impairment of First Commonwealth’s goodwill or other intangible assets; (9) acts of God or of war or terrorism; (10) the timely development and acceptance of new products and services and perceived overall value of these products and services by users; (11) changes in consumer spending, borrowings and savings habits; (12) changes in the financial performance and/or condition of First Commonwealth’s borrowers; (13) technological changes; (14) acquisitions and integration of acquired businesses; (15) First Commonwealth’s ability to attract and retain qualified employees; (16) changes in the competitive environment in First Commonwealth’s markets and among banking organizations and other financial service providers; (17) the ability to increase market share and control expenses; (18) the effect of changes in accounting policies and practices, as may be adopted by the regulatory agencies, as well as the Public Company Accounting Oversight Board, the Financial Accounting Standards Board and other accounting standard setters; (19) the reliability of First Commonwealth’s vendors, internal control systems or information systems; (20) the costs and effects of legal and regulatory developments, the resolution of legal proceedings or regulatory or other governmental inquiries, the results of regulatory examinations or reviews and the ability to obtain required regulatory approvals; and (21) other risks and uncertainties described in this report and in the other reports that we file with the Securities and Exchange Commission, including our most recent Annual Report on Form 10-K.

In light of these risks, uncertainties and assumptions, you should not place undue reliance on any forward-looking statements in this report. We undertake no obligation to publicly update or otherwise revise any forward-looking statements, whether as a result of new information, future events or otherwise.

Explanation of Use of Non-GAAP Financial Measure

In addition to the results of operations presented in accordance with generally accepted accounting principles (“GAAP”), First Commonwealth management uses, and this quarterly report contains or references, certain non-GAAP financial measures, such as net interest income on a fully taxable equivalent basis. We believe this non-GAAP financial measure provides information useful to investors in understanding our underlying operational performance and our business and performance trends as it facilitates comparison with the performance of others in the financial services industry. Although we believe that this non-GAAP financial measure enhances investors’ understanding of our business and performance, this non-GAAP financial measure should not be considered an alternative to GAAP.

We believe the presentation of net interest income on a fully taxable equivalent basis ensures comparability of net interest income arising from both taxable and tax-exempt sources and is consistent with industry practice. Interest income per the Condensed Consolidated Statements of Income is reconciled to net interest income adjusted to a fully taxable equivalent basis on pages 38 for the three months endedMarch 31, 2016 and 2015, respectively.

36

ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

Selected Financial Data

The following selected financial data is not covered by the auditor’s report and should be read in conjunction with Management’s Discussion and Analysis of Financial Condition and Results of Operations, which follows, and with the Condensed Consolidated Financial Statements and related notes.

	For the Three Months Ended March 31,
	2016			2015
	(dollars in thousands, except per share data)
Net Income	$	12,473		$	14,221
Per Share Data:
Basic Earnings per Share	$	0.14		$	0.16
Diluted Earnings per Share	0.14			0.16
Cash Dividends Declared per Common Share	0.07			0.07
Average Balance:
Total assets	$	6,617,594		$	6,358,391
Total equity	730,354			718,315
End of Period Balance:
Net loans	$	4,749,382		$	4,390,904
Total assets	6,699,154			6,331,842
Total deposits	4,301,655			4,293,749
Total equity	733,314			712,860
Key Ratios:
Return on average assets	0.76		%	0.91		%
Return on average equity	6.87		%	8.03		%
Dividends payout ratio	50.00		%	43.75		%
Average equity to average assets ratio	11.04		%	11.30		%
Net interest margin	3.29		%	3.35		%
Net loans to deposits ratio	110.41		%	102.26		%

Results of Operations

Three Months EndedMarch 31, 2016 Compared to Three Months EndedMarch 31, 2015

Net Income

For the three months endedMarch 31, 2016, First Commonwealth had net income of $12.5 million, or $0.14 diluted earnings per share, compared to net income of $14.2 million, or $0.16 diluted earnings per share, in the three months endedMarch 31, 2015. The decrease in net income was primarily the result of an increase in the provision for credit losses offset by an increase in net interest income and declines in noninterest expense.

For the three months endedMarch 31, 2016, the Company’s return on average equity was 6.87% and its return on average assets was 0.76%, compared to 8.03% and 0.91%, respectively, for the three months endedMarch 31, 2015.

Net Interest Income

Net interest income, on a fully taxable equivalent basis, was $49.7 million in the first three months of 2016, compared to $48.0 million for the same period in 2015. This increase was primarily due to growth in earning assets of $258.6 million. Net interest income comprises a majority of our operating revenue (net interest income before provision expense plus noninterest income) at 78% and 77% for the three months endedMarch 31, 2016 and 2015, respectively.

The net interest margin, on a fully taxable equivalent basis, was 3.29% and 3.35% for the three months endedMarch 31, 2016 and March 31, 2015, respectively. The six basis point decline in the net interest margin is attributable to a $1.0 million FHLB special dividend received in the first quarter of 2015, which added seven basis points to the net interest margin for that period.

37

ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

The taxable equivalent yield on interest-earning assets was 3.59% for the three months endedMarch 31, 2016, a decrease of 3 basis points compared to the 3.62% yield for the same period in 2015. Excluding the impact of the previously noted special FHLB dividend in the first quarter of 2015, the yield on interest-earning assets would have increased by four basis points. This increase is largely due to the investment portfolio yield, which, after excluding the impact of the $1.0 million special FHLB dividend, improved by 31 basis points when compared to the three months ended March 31, 2015. This increase can be attributed to the runoff or sale of lower yielding U.S. Agency securities which were replaced with higher yielding investment securities. Investment portfolio purchases during the three months endedMarch 31, 2016 have been primarily in mortgage-related assets with approximate durations of 48-60 months and municipal securities with a duration of five years. The mortgage-related investments have monthly principal payments that will provide for reinvestment opportunities as interest rates rise.

The cost of interest-bearing liabilities increased to 0.39% for the three months endedMarch 31, 2016, from 0.35% for the same period in 2015, primarily due to an increase in the cost of short-term borrowings. Offsetting that increase was a 15 basis point decline in the cost of time deposits, as higher costing time deposits were replaced with growth in demand deposits, interest bearing demand deposits and short-term borrowings.

For the three months endedMarch 31, 2016, changes in interest rates negatively impacted net interest income by $1.3 million when compared with the same period in 2015. The lower yield on interest-earning assets adversely impacted net interest income by $269 thousand, while the increase in the cost of interest-bearing liabilities had an additional impact of $1.1 million. We have been able to partially mitigate the impact of interest rates and the effect on net interest income through improving the mix of deposits and borrowed funds, growing the loan portfolio and increasing our investment yields with the runoff and sales of lower yielding investments.

While decreases in interest rates and yields compressed the net interest margin, increases in average interest-earning assets more than offset the effect on net interest income. Average earning assets for the three months endedMarch 31, 2016 increased $258.6 million, or 4%, compared to the same period in 2015. Average loans for the three months endedMarch 31, 2016 increased $267.0 million, or 6.0%, compared to the same period in 2015.

Changes in the volumes of interest-earning assets and interest-bearing liabilities positively impacted net interest income by $3.1 million in the three months endedMarch 31, 2016, as compared to the same period in 2015. Higher levels of interest-earning assets resulted in an increase of $2.7 million in interest income, while volume changes decreased interest expense by $0.4 million, primarily as the result of changes in time deposits, including brokered deposits.

Net interest income also benefited from a $104.2 million increase in average net free funds at March 31, 2016 as compared to March 31, 2015. Average net free funds are the excess of noninterest-bearing demand deposits, other noninterest-bearing liabilities and shareholders’ equity over noninterest-earning assets. The largest component of the increase in net free funds was an increase of $94.2 million, or 9.4%, in noninterest-bearing demand deposit average balances. Additionally, higher cost time deposits continue to mature and reprice into lower cost deposits or other funding alternatives. Average time deposits for the three months endedMarch 31, 2016 decreased by $194.3 million compared to the comparable period in 2015.

The following table reconciles interest income in the Condensed Consolidated Statements of Income to net interest income adjusted to a fully taxable equivalent basis for the three months endedMarch 31:

	2016		2015
	(dollars in thousands)
Interest income per Condensed Consolidated Statements of Income	$	53,353	$	51,085
Adjustment to fully taxable equivalent basis	942		818
Interest income adjusted to fully taxable equivalent basis (non-GAAP)	54,295		51,903
Interest expense	4,546		3,913
Net interest income adjusted to fully taxable equivalent basis (non-GAAP)	$	49,749	$	47,990

38

ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

The following is an analysis of the average balance sheets and net interest income on a fully taxable equivalent basis for the three months endedMarch 31:

	2016							2015
	Average Balance			Income / Expense (a)		Yield or Rate		Average Balance			Income / Expense (a)		Yield or Rate
	(dollars in thousands)
Assets
Interest-earning assets:
Interest-bearing deposits with banks	$	4,339		$	6	0.56	%	$	5,205		$	3	0.23	%
Tax-free investment securities	59,987			556		3.73		27,731			269		3.93
Taxable investment securities	1,266,907			7,952		2.52		1,306,746			8,306		2.58
Loans, net of unearned income (b)(c)	4,745,252			45,781		3.88		4,478,240			43,325		3.92
Total interest-earning assets	6,076,485			54,295		3.59		5,817,922			51,903		3.62
Noninterest-earning assets:
Cash	65,120							63,048
Allowance for credit losses	(52,714		)					(53,654		)
Other assets	528,703							531,075
Total noninterest-earning assets	541,109							540,469
Total Assets	$	6,617,594						$	6,358,391
Liabilities and Shareholders’ Equity
Interest-bearing liabilities:
Interest-bearing demand deposits (d)	$	701,778		$	85	0.05	%	$	639,831		$	43	0.03	%
Savings deposits (d)	1,852,118			590		0.13		1,861,314			602		0.13
Time deposits	594,929			914		0.62		789,272			1,505		0.77
Short-term borrowings	1,503,013			2,235		0.60		1,141,098			958		0.34
Long-term debt	81,409			722		3.57		147,389			805		2.22
Total interest-bearing liabilities	4,733,247			4,546		0.39		4,578,904			3,913		0.35
Noninterest-bearing liabilities and shareholders’ equity:
Noninterest-bearing demand deposits (d)	1,096,692							1,002,498
Other liabilities	57,301							58,674
Shareholders’ equity	730,354							718,315
Total Noninterest-Bearing Funding Sources	1,884,347							1,779,487
Total Liabilities and Shareholders’ Equity	$	6,617,594						$	6,358,391
Net Interest Income and Net Yield on Interest-Earning Assets				$	49,749	3.29	%				$	47,990	3.35	%

(a) Income on interest-earning assets has been computed on a fully taxable equivalent basis using the 35% federal income tax statutory rate.

(b) Loan balances include held for sale and nonaccrual loans. Income on nonaccrual loans is accounted for on the cash basis.

(c) Loan income includes loan fees earned.

(d) Average balances do not include reallocations from noninterest-bearing demand deposits and interest-bearing demand deposits into savings deposits, which were made for regulatory purposes.

39

ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

The following table shows the effect of changes in volumes and rates on interest income and interest expense for the three months endedMarch 31, 2016 compared with March 31, 2015:

	Analysis of Year-to-Year Changes in Net Interest Income
	Total Change			Change Due To Volume			Change Due To Rate (a)
	(dollars in thousands)
Interest-earning assets:
Interest-bearing deposits with banks	$	3		$	—		$	3
Tax-free investment securities	287			315			(28		)
Taxable investment securities	(354		)	(256		)	(98		)
Loans	2,456			2,602			(146		)
Total interest income (b)	2,392			2,661			(269		)
Interest-bearing liabilities:
Interest-bearing demand deposits	42			5			37
Savings deposits	(12		)	(3		)	(9		)
Time deposits	(591		)	(372		)	(219		)
Short-term borrowings	1,277			306			971
Long-term debt	(83		)	(364		)	281
Total interest expense	633			(428		)	1,061
Net interest income	$	1,759		$	3,089		$	(1,330	)

(a) Changes in interest income or expense not arising solely as a result of volume or rate variances are allocated to rate variances.

(b) Changes in interest income have been computed on a fully taxable equivalent basis using the 35% federal income tax statutory rate.

Provision for Credit Losses

The provision for credit losses is determined based on management’s estimates of the appropriate level of the allowance for credit losses needed for probable losses inherent in the loan portfolio, after giving consideration to charge-offs and recoveries for the period. The provision for credit losses is an amount added to the allowance, against which credit losses are charged.

The table below provides a breakout of the provision for credit losses by loan category for the three months endedMarch 31:

	2016					2015
	Dollars			Percentage		Dollars			Percentage
	(dollars in thousands)
Commercial, financial, agricultural and other	$	11,944		183	%	$	(341	)	(30	)%
Real estate construction	(209		)	(3	)	(535		)	(46	)
Residential real estate	286			4		193			17
Commercial real estate	(6,932		)	(106	)	670			58
Loans to individuals	1,437			22		1,172			101
Total	$	6,526		100	%	$	1,159		100	%

The provision for credit losses for the three months endedMarch 31, 2016increased in comparison to the three months endedMarch 31, 2015 by $5.4 million. The level of the first quarter 2016 provision expense is primarily due to commercial, financial, agricultural and other loans as the result of an increase in historical loss factors, an increase in qualitative factors related to certain recovery rates as well as specific reserves established for one loan relationship. The negative provision expense for commercial real estate loans is a result of decreases in historical loss factors. The provision for loans to individuals is related to charge-offs in the indirect automobile portfolio as well as changes in qualitative factors which relate to the automobile industry.

The majority of the 2015 provision expense is attributable to loans to individuals as a result of charge-offs in the indirect auto portfolio. The negative provision in 2015 for the commercial, financial, and agricultural category can be attributed to $4.2 million in loans transferred to held for sale which resulted in the release of $1.1 million in specific reserves. Real estate construction reflects a negative reserve in 2015 as the result of a decline in historical loss factors for this category.

40

ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

The allowance for credit losses was $55.2 million, or 1.15%, of total loans outstanding at March 31, 2016, compared to $50.8 million, or 1.08%, at December 31, 2015 and $46.7 million, or 1.05%, at March 31, 2015. The change compared to December 31, 2015, can be attributed to an $8.7 million, or 6%, increase in criticized loans, which includes an increase of $11.0 million, or 22%, in nonperforming loans as well as a $6.4 million increase in the level of specific reserves held on impaired loans. Nonperforming loans as a percentage of total loans increased to 1.29% at March 31, 2016 from 1.08% at December 31, 2015 and 1.11% as of March 31, 2015. The allowance to nonperforming loan ratio was 89.33%, 99.94% and 101.09% as of March 31, 2016, December 31, 2015 and March 31, 2015, respectively.

Below is an analysis of the consolidated allowance for credit losses for the three months endedMarch 31, 2016 and 2015 and the year-ended December 31, 2015:

	March 31, 2016		March 31, 2015		December 31, 2015
	(dollars in thousands)
Balance, beginning of period	$	50,812	$	52,051	$	52,051
Loans charged off:
Commercial, financial, agricultural and other	1,392		5,080		11,429
Real estate construction	—		—		8
Residential real estate	382		566		1,539
Commercial real estate	265		202		1,538
Loans to individuals	1,469		1,261		4,354
Total loans charged off	3,508		7,109		18,868
Recoveries of loans previously charged off:
Commercial, financial, agricultural and other	134		200		1,097
Real estate construction	223		—		84
Residential real estate	118		96		587
Commercial real estate	756		138		229
Loans to individuals	161		162		684
Total recoveries	1,392		596		2,681
Net credit losses	2,116		6,513		16,187
Provision charged to expense	6,526		1,159		14,948
Balance, end of period	$	55,222	$	46,697	$	50,812

41

ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

Noninterest Income

The following table presents the components of noninterest income for the three months endedMarch 31:

	2016			2015			$ Change			% Change
	(dollars in thousands)
Noninterest Income:
Trust income	$	1,255		$	1,421		$	(166	)	(12	)%
Service charges on deposit accounts	3,708			3,318			390			12
Insurance and retail brokerage commissions	1,959			2,195			(236		)	(11	)
Income from bank owned life insurance	1,296			1,354			(58		)	(4	)
Card-related interchange income	3,557			3,418			139			4
Other income	2,076			1,947			129			7
Subtotal	13,851			13,653			198			1
Net securities gains	—			105			(105		)	(100	)
Gain on sale of mortgage loans	683			439			244			56
Gain on sale of other loans and assets	195			224			(29		)	(13	)
Derivatives mark to market expense	(1,014		)	(230		)	(784		)	341
Total noninterest income	$	13,715		$	14,191		$	(476	)	(3	)%

Noninterest income, excluding net securities gains, gain on sale of loans and other assets and the derivative mark to market, increased$0.2 million, or 1%, for the first three months of 2016 compared to 2015. Service charges on deposit accounts increased $0.4 million and card-related interchange income increased $0.1 million, due to growth in the number of deposit accounts and increases in customer fee-related activity. Offsetting these increases were insurance and retail brokerage commissions and trust income, both of which decreased $0.2 million due to lower annuity and mutual fund sales. Other income increased compared to 2015, primarily due to a $0.1 million increase in fees received for interest rate swaps entered into by our commercial loan customers.

Total noninterest income for the three months endedMarch 31, 2016decreased$0.5 million in comparison to the three months endedMarch 31, 2015. The most significant change includes an $0.8 million decrease related to the mark to market adjustment on interest rate swaps entered for our commercial loan customers. This negative adjustment does not reflect an actual loss on the swaps, but rather relates to a change in fair value due to increases in corporate bond spreads and swap rates.

Offsetting the derivative mark to market adjustment was a $0.2 million increase in the gains on sale of mortgage loans due to the continuing expansion of our mortgage business.

42

ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

Noninterest Expense

The following table presents the components of noninterest expense for the three months endedMarch 31:

	2016		2015		$ Change			% Change
	(dollars in thousands)
Noninterest Expense:
Salaries and employee benefits	$	21,677	$	21,892	$	(215	)	(1	)%
Net occupancy expense	3,481		3,911		(430		)	(11	)
Furniture and equipment expense - excluding IT conversion	2,867		2,680		187			7
Data processing expense	1,759		1,438		321			22
Pennsylvania shares tax expense	758		794		(36		)	(5	)
Intangible amortization	137		156		(19		)	(12	)
Collection and repossession expense	569		511		58			11
Other professional fees and services	791		930		(139		)	(15	)
FDIC insurance	1,038		1,059		(21		)	(2	)
Other operating expenses	4,727		5,221		(494		)	(9	)
Subtotal	37,804		38,592		(788		)	(2	)
Loss on sale or write-down of assets	96		262		(166		)	(63	)
Litigation and operational losses	244		1,000		(756		)	76	%
Total noninterest expense	$	38,144	$	39,854	$	(1,710	)	(4	)%

Noninterest expense, excluding loss on sale or write-down of assets and litigation and operational losses, decreased$0.8 million, or 2%, for the three months endedMarch 31, 2016 compared to the same period in 2015. Contributing to the 2016 decrease is $0.5 million in other operating expenses primarily due to a $0.4 million decrease in the required reserves for unfunded loan commitments. Despite the addition of four branch locations as a result of the acquisition of First Community Bank in the fourth quarter of 2015, net occupancy was $0.4 million lower in the first quarter of 2016 as compared to the same period in 2015. Contributing to this decline is $0.2 million in lower snow removal costs and efficiencies related to the closure of four branch locations during 2015. Offsetting these decreases is an increase of $0.3 million in data processing expense primarily due to the issuance of chip debit cards to our customers during the first quarter of 2016.

Litigation and operational losses decreased $0.8 million for the three months endedMarch 31, 2016. In the first three months of 2015, operational losses are largely due to fraud losses recognized in conjunction with several merchant debit card breaches. There were no similar losses recognized in the first three months of 2016.

Income Tax

The provision for income taxes decreased$0.8 million for the three months endedMarch 31, 2016, compared to the corresponding period in 2015. The lower provision for income taxes was the result of a $2.5 milliondecrease in the level of income before taxes.

We applied the “annual effective tax rate approach” to determine the provision for income taxes, which applies an annual forecast of tax expense as a percentage of expected full year income, for the three months endedMarch 31, 2016 and 2015.

We generate an annual effective tax rate that is less than the statutory rate of 35% due to benefits resulting from tax-exempt interest, income from bank-owned life insurance and tax benefits associated with low income housing tax credits, which are relatively consistent regardless of the level of pretax income. The level of tax benefits that reduced our tax rate below the 35% statutory rate produced an annual effective tax rate of 30.1% for both the three months endedMarch 31, 2016 and 2015.

As of March 31, 2016, our deferred tax assets totaled $31.0 million. Based on our evaluation as of March 31, 2016, we determined that it is more likely than not that all of these assets will be realized. As a result, a valuation allowance against these assets was not needed. In evaluating the need for a valuation allowance, we estimate future taxable income based on management approved forecasts, evaluation of historical earning levels and consideration of potential tax strategies. If future events differ from our current forecasts, we may need to establish a valuation allowance, which could have a material impact on our financial condition and results of operations.

43

ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

Liquidity

Liquidity refers to our ability to meet the cash flow requirements of depositors and borrowers as well as our operating cash needs with cost-effective funding. We generate funds to meet these needs primarily through the core deposit base of First Commonwealth Bank and the maturity or repayment of loans and other interest-earning assets, including investments. During the first three months of 2016, liquidity provided from the net increase in short-term borrowings totaled $7.9 million, while the maturity and redemption of investment securities provided $42.7 million. This liquidity provided funds needed to originate loans, purchase investment securities and fund depositor withdrawals.  We also have available unused wholesale sources of liquidity, including overnight federal funds and repurchase agreements, advances from the FHLB of Pittsburgh, borrowings through the discount window at the Federal Reserve Bank of Cleveland (“FRB”) and access to certificates of deposit through brokers.

We participate in the Certificate of Deposit Account Registry Services (“CDARS”) program as part of an Asset/Liability Committee (“ALCO”) strategy to increase and diversify funding sources. As of March 31, 2016, our maximum borrowing capacity under this program was $1.0 billion and as of that date there was $0.6 million outstanding. Also included in this amount is a reciprocal program which allows our depositors to receive expanded FDIC coverage by placing multiple certificates of deposit at other CDARS member banks. As of March 31, 2016, our outstanding certificates of deposits from this program have an average weighted rate of 0.45% and an average original term of 276 days.

An additional source of liquidity is the FRB Borrower-in-Custody of Collateral program, which enables us to pledge certain loans that are not being used as collateral at the FHLB as collateral for borrowings at the FRB. At March 31, 2016, the borrowing capacity under this program totaled $651.3 million and there were no amounts outstanding.

As of March 31, 2016, our maximum borrowing capacity at the FHLB of Pittsburgh was $1.6 billion and as of that date amounts used against this capacity included $1.4 billion in outstanding borrowings.

We also have available unused federal funds lines with four correspondent banks. These lines have an aggregate commitment of $170.0 million and there are no amounts outstanding as of March 31, 2016.

First Commonwealth Financial Corporation has an unsecured $15.0 million line of credit with another financial institution. As of March 31, 2016, there are no amounts outstanding on this line.

First Commonwealth’s long-term liquidity source is its core deposit base. Core deposits are the most stable source of liquidity a bank can have due to the long-term relationship with a deposit customer. The level of deposits during any period is influenced by factors outside of management’s control, such as the level of short-term and long-term market interest rates and yields offered on competing investments, such as money market mutual funds. The following table shows a breakdown of the components of First Commonwealth’s deposits:

	March 31, 2016		December 31, 2015
	(dollars in thousands)
Noninterest-bearing demand deposits	$	1,155,795	$	1,116,689
Interest-bearing demand deposits	92,125		86,365
Savings deposits	2,467,978		2,390,607
Time deposits	585,757		602,233
Total	$	4,301,655	$	4,195,894

During the first three months of 2016, total deposits increased$105.8 million due to an $83.1 millionincrease in interest-bearing demand and savings deposits and a $39.1 million million increase in noninterest-bearing demand deposits. These increases were offset by a $16.5 milliondecrease in time deposits. The decrease in time deposits is the result of a decline in wholesale certificates of deposit of $3.0 million coupled with a decline in core certificates of deposit of $13.5 million.

Market Risk

The following gap analysis compares the difference between the amount of interest-earning assets and interest-bearing liabilities subject to repricing over a period of time. The ratio of rate-sensitive assets to rate-sensitive liabilities repricing within a one-year period was 0.71 and at both March 31, 2016 and December 31, 2015. A ratio of less than one indicates a higher level of repricing liabilities over repricing assets over the next twelve months. The level of First Commonwealth's ratio is largely

44

ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

driven by the modeling of interest-bearing non-maturity deposits, which are included in the analysis as repricing within one year.

Gap analysis has limitations due to the static nature of the model that holds volumes and consumer behaviors constant in all economic and interest rate scenarios. A lower level of rate sensitive assets to rate sensitive liabilities repricing in one year could indicate reduced net interest income in a rising interest rate scenario, and conversely, increased net interest income in a declining interest rate scenario. However, the gap analysis incorporates only the level of interest-earning assets and interest-bearing liabilities and not the sensitivity each has to changes in interest rates. The impact of the sensitivity to changes in interest rates is provided in the table below the gap analysis.

The following is the gap analysis as of March 31, 2016 and December 31, 2015:

	March 31, 2016
	0-90 Days			91-180 Days			181-365 Days			Cumulative 0-365 Days			Over 1 Year Through 5 Years			Over 5 Years
	(dollars in thousands)
Loans	$	2,431,725		$	203,131		$	295,675		$	2,930,531		$	1,436,901		$	390,677
Investments	118,582			53,225			100,352			272,159			591,435			469,755
Other interest-earning assets	11,024			—			—			11,024			—			—
Total interest-sensitive assets (ISA)	2,561,331			256,356			396,027			3,213,714			2,028,336			860,432
Certificates of deposit	114,685			95,200			139,061			348,946			232,532			4,279
Other deposits	2,560,103			—			—			2,560,103			—			—
Borrowings	1,591,050			141			287			1,591,478			2,504			6,103
Total interest-sensitive liabilities (ISL)	4,265,838			95,341			139,348			4,500,527			235,036			10,382
Gap	$	(1,704,507	)	$	161,015		$	256,679		$	(1,286,813	)	$	1,793,300		$	850,050
ISA/ISL	0.60			2.69			2.84			0.71			8.63			82.88
Gap/Total assets	25.44		%	2.40		%	3.83		%	19.21		%	26.77		%	12.69		%

	December 31, 2015
	0-90 Days			91-180 Days			181-365 Days			Cumulative 0-365 Days			Over 1 Year Through 5 Years			Over 5 Years
	(dollars in thousands)
Loans	$	2,371,092		$	184,323		$	315,162		$	2,870,577		$	1,439,199		$	343,538
Investments	115,292			50,950			102,357			268,599			597,263			454,200
Other interest-earning assets	2,808			—			—			2,808			—			—
Total interest-sensitive assets (ISA)	2,489,192			235,273			417,519			3,141,984			2,036,462			797,738
Certificates of deposit	125,403			89,522			139,133			354,058			244,173			4,000
Other deposits	2,476,973			—			—			2,476,973			—			—
Borrowings	1,583,132			140			285			1,583,557			2,487			6,263
Total interest-sensitive liabilities (ISL)	4,185,508			89,662			139,418			4,414,588			246,660			10,263
Gap	$	(1,696,316	)	$	145,611		$	278,101		$	(1,272,604	)	$	1,789,802		$	787,475
ISA/ISL	0.59			2.62			2.99			0.71			8.26			77.73
Gap/Total assets	25.83		%	2.22		%	4.23		%	19.38		%	27.25		%	11.99		%

The following table presents an analysis of the potential sensitivity of our annual net interest income to gradual changes in interest rates over a 12 month time frame as compared with net interest income if rates remained unchanged and there are no changes in balance sheet categories.

45

ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

	Net interest income change (12 months)
	-200			-100			+100			+200
	(dollars in thousands)
March 31, 2016 ($)	$	(7,042	)	$	(3,566	)	$	1,287		$	2,381
March 31, 2016 (%)	(3.54		)%	(1.79		)%	0.65		%	1.20		%
December 31, 2015 ($)	$	(7,293	)	$	(2,438	)	$	916		$	1,900
December 31, 2015 (%)	(3.74		)%	(1.25		)%	0.47		%	0.97		%

The following table represents the potential sensitivity of our annual net interest income to immediate changes in interest rates versus if rates remained unchanged and there are no changes in balance sheet categories.

	Net interest income change (12 months)
	-200			-100			+100			+200
	(dollars in thousands)
March 31, 2016 ($)	$	(10,046	)	$	(5,339	)	$	1,503		$	2,863
March 31, 2016 (%)	(5.05		)%	(2.68		)%	0.75		%	1.44		%
December 31, 2015 ($)	$	(11,405	)	$	(5,132	)	$	1,842		$	3,658
December 31, 2015 (%)	(5.85		)%	(2.63		)%	0.94		%	1.88		%

The analysis and model used to quantify the sensitivity of our net interest income becomes less reliable in a decreasing 200 basis point scenario given the current low interest rate environment. Results of the 100 and 200 basis point interest rate decline scenario are affected by the fact that many of our interest-bearing liabilities are at rates below 1%, and therefore cannot decline 100 or 200 basis points, yet our interest-sensitive assets are able to decline by these amounts. In the three months endedMarch 31, 2016 and 2015, the cost of our interest-bearing liabilities averaged 0.39% and 0.35%, respectively, and the yield on our average interest-earning assets, on a fully taxable equivalent basis, averaged 3.59% and 3.62%, respectively.

During the first quarter of 2015, the Company entered into cash flow interest rate swaps in which we extended the duration of $100.0 million of the $1.3 billion LIBOR based loans in our loan portfolio into fixed interest rates for a period of three or four years. These swaps add approximately two basis points of protection to the net interest margin as a hedge against a prolonged low-rate environment. A similar cash flow interest rate swap, with a notional amount of $100.0 million, was entered into in 2014. Please refer to Note 11, "Derivatives," for additional information on interest rate swaps.

Asset/liability models require that certain assumptions be made, such as prepayment rates on earning assets and the impact of pricing on non-maturity deposits, which may differ from actual experience. These business assumptions are based upon our experience, business plans and published industry experience. While management believes such assumptions to be reasonable, there can be no assurance that modeled results will approximate actual results.

Credit Risk

First Commonwealth maintains an allowance for credit losses at a level deemed sufficient for losses inherent in the loan portfolio at the date of each statement of financial condition. Management reviews the adequacy of the allowance on a quarterly basis to ensure that the provision for credit losses has been charged against earnings in an amount necessary to maintain the allowance at a level that is appropriate based on management’s assessment of probable estimated losses.

First Commonwealth’s methodology for assessing the appropriateness of the allowance for credit losses consists of several key elements. These elements include an assessment of individual impaired loans with a balance greater than $0.1 million, loss experience trends and other relevant factors.

First Commonwealth also maintains a reserve for unfunded loan commitments and letters of credit based upon credit risk and probability of funding. The reserve totaled $4.1 million at March 31, 2016 and is classified in "Other liabilities" on the Condensed Consolidated Statements of Financial Condition.

46

ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

First Commonwealth defines exposure to the Oil and Gas Industry as any borrower who is involved in exploration and production, and any company in the industry supply chain that generates 40% or more of their sales revenue from exploration and production companies.

As of March 31, 2016, the Company had a total of $146.3 million in commitments to the Oil and Gas Industry, with $63.7 million in outstanding loan balances against those commitments. Of this total, commitments of $40.3 million with outstanding balances of $10.6 million are for exploration and production, while $106.0 million in commitments, with outstanding balances of $53.0 million, are related to ancillary businesses.

One customer accounts for 49.6% of the loans related to exploration and production and is a pass-rated credit. This credit facility is primarily used to support letters of credit and has little or no usage. One commercial relationship totaling $6.5 million is categorized as a non-pass accruing credit. One commercial relationship in this category, totaling $2.4 million, is on non-performing status since before the oil price decline in the third quarter of 2014.

The ancillary businesses sector consisst of well services, transportation, and providing equipment and materials to support the oil and gas industry. Two customers, which account for 36.7% of the ancillary business exposure, are bulk transporters of refined product and are not expected to be negatively impacted from lower oil prices. There are two pass-rated credits, with total commitments of $28.2 million, in the ancillary business sector that will see some impact from reduced drilling activity due to lower oil and gas prices. Three commercial relationships with $10.9 million in outstanding loans for ancillary businesses are on non-performing status.

Nonperforming loans include nonaccrual loans and loans classified as troubled debt restructurings. Nonaccrual loans represent loans on which interest accruals have been discontinued. Troubled debt restructured loans are those loans whose terms have been renegotiated to provide a reduction or deferral of principal or interest as a result of the deteriorating financial position of the borrower, who could not obtain comparable terms from alternative financing sources. In the first three months of 2016, 16 loans totaling $5.0 million were identified as troubled debt restructurings.

The balance of troubled debt restructured loans increased$1.8 million from December 31, 2015 due primarily to the addition of a $3.7 million commercial and industrial loan, partially offset by a $1.1 million charge-off on a loan previously categorized as a troubled debt restructure. Please refer to Note 8, “Loans and Allowance for Credit Losses,” for additional information on troubled debt restructurings.

We discontinue interest accruals on a loan when, based on current information and events, it is probable that we will be unable to fully collect principal or interest due according to the contractual terms of the loan. A loan is also placed on nonaccrual status when, based on regulatory definitions, the loan is maintained on a “cash basis” due to the weakened financial condition of the borrower. Generally, loans 90 days or more past due are placed on nonaccrual status, except for consumer loans which are placed on nonaccrual status at 150 days past due.

Nonperforming loans are closely monitored on an ongoing basis as part of our loan review and work-out process. The probable risk of loss on these loans is evaluated by comparing the loan balance to the fair value of any underlying collateral or the present value of projected future cash flows. Losses or a specifically assigned allowance for loan losses are recognized where appropriate.

Nonperforming loans, including loans held for sale, increased$11.0 million to $61.8 million at March 31, 2016 compared to $50.8 million at December 31, 2015. This increase is primarily due to the addition of an $11.5 million commercial loan relationship with a steel and aluminum servicing company.

The allowance for credit losses as a percentage of nonperforming loans was 89.33% as of March 31, 2016 compared to 99.94% at December 31, 2015 and 101.09% at March 31, 2015. The amount of specific reserves included in the allowance for nonperforming loans was determined by using fair values obtained from current appraisals and updated discounted cash flow analyses. The allowance for credit losses includes specific reserves of $13.4 million and general reserves of $41.8 million as of March 31, 2016. Specific reserves increased$6.4 million from December 31, 2015, and $9.6 million from March 31, 2015. The increase in specific reserves in the first three months of 2016 is primarily due to specific reserves related to one new impaired loan. Management believes that the allowance for credit losses is at a level deemed sufficient to absorb losses inherent in the loan portfolio at March 31, 2016.

Criticized loans totaled $142.6 million at March 31, 2016 and represented 3.0% of the loan portfolio. The level of criticized loans increased as of March 31, 2016 when compared to December 31, 2015, by $8.7 million, or 6.5%. Classified loans totaled $110.8 million at March 31, 2016 compared to $86.4 million at December 31, 2015, an increase of $24.4 million, or 28.2%.

47

ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

Delinquency on accruing loans for the same period decreased$2.7 million, or 21.2%, the majority of which are commercial real estate and residential real estate loans.

The allowance for credit losses was $55.2 million at March 31, 2016 or 1.15% of total loans outstanding compared to 1.08% reported at December 31, 2015 and 1.05% at March 31, 2015. General reserves, or the portion of the allowance related to loans which were not specifically evaluated for impairment, as a percentage of non-impaired loans were 0.88% at March 31, 2016 compared to 0.94% at December 31, 2015 and 0.98% at March 31, 2015.

The following table provides information related to nonperforming assets, the allowance for credit losses and other credit-related measures:

	March 31,								December 31, 2015
	2016				2015
	(dollars in thousands)
Nonperforming Loans:
Loans on nonaccrual basis	$	33,470			$	24,587			$	24,345
Loans held for sale on a nonaccrual basis	—				3,011				—
Troubled debt restructured loans on nonaccrual basis	13,366				8,978				12,360
Troubled debt restructured loans on accrual basis	14,979				12,630				14,139
Total nonperforming loans	$	61,815			$	49,206			$	50,844
Loans past due 30 to 90 days and still accruing	$	8,866			$	10,192			$	10,476
Loans past due in excess of 90 days and still accruing	$	1,330			$	4,245			$	2,455
Other real estate owned	$	8,636			$	7,025			$	9,398
Loans held for sale at end of period	$	5,849			$	5,892			$	5,763
Loans outstanding at end of period	$	4,798,755			$	4,437,601			$	4,683,750
Average loans outstanding	$	4,745,252		(a)	$	4,478,240		(a)	$	4,553,634		(b)
Nonperforming loans as a percentage of total loans	1.29		%		1.11		%		1.08		%
Provision for credit losses	$	6,526		(a)	$	1,159		(a)	$	14,948		(b)
Allowance for credit losses	$	55,222			$	46,697			$	50,812
Net charge-offs	$	2,116		(a)	$	6,513		(a)	$	16,187		(b)
Net charge-offs as a percentage of average loans outstanding (annualized)	0.18		%		0.59		%		0.36		%
Provision for credit losses as a percentage of net charge-offs	308.41		%	(a)	17.80		%	(a)	92.35		%	(b)
Allowance for credit losses as a percentage of end-of-period loans outstanding	1.15		%		1.05		%		1.08		%
Allowance for credit losses as a percentage of nonperforming loans (c)	89.33		%		101.09		%		99.94		%

(a) For the three-month period ended.

(b) For the twelve-month period ended.

(c) Does not include nonperforming loans held for sale.

The following tables show the outstanding balances of our loan portfolio and the breakdown of net charge-offs and nonperforming loans, excluding loans held for sale, by loan type as of and for the periods presented:

	March 31, 2016				December 31, 2015
	Amount		%		Amount		%
	(dollars in thousands)
Commercial, financial, agricultural and other	$	1,190,384	25	%	$	1,150,906	25	%
Real estate construction	256,856		5		220,736		5
Residential real estate	1,212,962		25		1,224,465		26
Commercial real estate	1,552,904		33		1,479,000		31
Loans to individuals	585,649		12		608,643		13
Total loans and leases net of unearned income	$	4,798,755	100	%	$	4,683,750	100	%

48

ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

During the three months endedMarch 31, 2016, loans increased$115.0 million, or 2%, compared to balances outstanding at December 31, 2015. During the three months ended March 31, 2016, growth in the commercial, financial, agricultural and other portfolio and commercial real estate loans can largely be attributed to growth in middle market lending in Pennsylvania and contiguous states. The increase in construction loans is primarily the result of several multifamily and hospitality projects in the Columbus, Cleveland and Pittsburgh markets. Declines in the loans to individuals category is primarily due to a decline in indirect auto loans. The decrease in residential real estate loans is the result of continued runoff in our mortgage portfolio, as many of the loans originated by our mortgage banking area are sold in the secondary market.

Net charge-offs for the three months endedMarch 31, 2016 totaled $2.1 million compared to $6.5 million for the three months endedMarch 31, 2015. The most significant charge-offs during the three months endedMarch 31, 2016 include a $1.1 million partial charge-off of two commercial industrial loans related to a local energy company. During the three months endedMarch 31, 2015, the most significant charge-offs included a $3.3 million partial charge-off of two commercial industrial loans related to a local energy company and a $1.2 million charge-off of a commercial relationship that was transferred to loans held for sale.

	For the Three Months Ended March 31, 2016							As of March 31, 2016
	Net Charge- offs			% of Total Net Charge-offs		Net Charge- offs as a % of Average Loans (annualized)		Nonperforming Loans		% of Total Nonperforming Loans		Nonperforming Loans as a % of Total Loans
	(dollars in thousands)
Commercial, financial, agricultural and other	$	1,258		59.45	%	0.11	%	$	42,646	68.99	%	0.89	%
Real estate construction	(223		)	(10.54	)	(0.02	)	—		—		—
Residential real estate	264			12.48		0.02		11,344		18.35		0.24
Commercial real estate	(491		)	(23.20	)	(0.04	)	7,327		11.85		0.15
Loans to individuals	1,308			61.81		0.11		498		0.81		0.01
Total loans, net of unearned income	$	2,116		100.00	%	0.18	%	$	61,815	100.00	%	1.29	%

As the above table illustrates, commercial, financial, agricultural and other, residential real estate and commercial real estate loans represented a significant portion of the nonperforming loans as of March 31, 2016. See discussions related to the provision for credit losses and loans for more information.

Capital Resources

At March 31, 2016, shareholders’ equity was $733.3 million, an increase of $13.8 million from December 31, 2015. The increase was primarily the result of a $12.5 million increase in net income and an increase of $7.7 million in the fair value of available for sale investments. These increases were partially offset by $6.2 million of dividends paid to shareholders and $0.5 million of common stock repurchases. Cash dividends declared per common share were $0.07 for the three months endedMarch 31, 2016 and 2015.

First Commonwealth and First Commonwealth Bank are subject to various regulatory capital requirements administered by the federal banking agencies. Failure to meet minimum capital requirements can initiate certain mandatory and possibly additional discretionary actions by regulators that, if undertaken, could have a direct material effect on First Commonwealth’s financial statements. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, First Commonwealth and First Commonwealth Bank must meet specific capital guidelines that involve quantitative measures of First Commonwealth’s assets, liabilities and certain off-balance sheet items as calculated under regulatory accounting practices. First Commonwealth’s capital amounts and classification are also subject to qualitative judgments by the regulators about components, risk weighting and other factors.

First Commonwealth maintains capital to absorb unexpected losses. In order to provide assurance that our capital levels are adequate for our risk exposure we test our capital position under several stress scenarios on a annual basis. This analysis is subject to Board of Director review and approval. Our most recent capital stress test was completed in December 2015.

Effective January 1, 2015, the Company became subject to the new regulatory risk-based capital rules adopted by the federal banking agencies implementing Basel III. The most significant changes include higher minimum capital requirements, as the minimum Tier I capital ratio increased from 4.0% to 6.0% and a new common equity Tier I capital ratio was established with a

49

ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

minimum level of 4.5%. Additionally, the new rules improve the quality of capital by providing stricter eligibility criteria for regulatory capital instruments and provide for a phase-in, beginning January 1, 2016, of a capital conservation buffer of 2.5% of risk-weighted assets. This buffer provides a requirement to hold common equity Tier 1 capital above the minimum risk-based capital requirements, resulting in an effective common equity Tier I risk-weighted asset minimum ratio of 7% on a fully phased-in basis.

The Basel III Rules also permit banking organizations with less than $15.0 billion in assets to retain, through a one-time election, the existing treatment for accumulated other comprehensive income, which currently does not affect regulatory capital. The Company elected to retain this treatment, which reduces the volatility of regulatory capital levels.

As of March 31, 2016, First Commonwealth and First Commonwealth Bank met all capital adequacy requirements to which they are subject and was considered well-capitalized under the regulatory rules, all on a fully phased-in basis. To be considered well capitalized, the Company must maintain minimum Total risk-based capital, Tier I risk-based capital, Tier I leverage ratio and Common equity tier I risk-based capital as set forth in the table below:

	Actual				Minimum Capital Required - Basel III Phase-In Schedule				Minimum Capital Required - Basel III Fully Phased-In				Required to be Considered Well Capitalized
	Capital Amount		Ratio		Capital Amount		Ratio		Capital Amount		Ratio		Capital Amount		Ratio
	(dollars in thousands)
Total Capital to Risk Weighted Assets
First Commonwealth Financial Corporation	$	692,174	12.13	%	$	492,266	8.625	%	$	599,281	10.50	%	$	570,743	10.00	%
First Commonwealth Bank	661,798		11.60		492,207		8.625		599,209		10.50		570,675		10.00
Tier I Capital to Risk Weighted Assets
First Commonwealth Financial Corporation	$	632,879	11.09	%	$	378,118	6.625	%	$	485,132	8.50	%	$	456,595	8.00	%
First Commonwealth Bank	602,503		10.56		378,072		6.625		485,074		8.50		456,540		8.00
Tier I Capital to Average Assets
First Commonwealth Financial Corporation	$	632,879	9.81	%	$	258,097	4.000	%	$	258,097	4.00	%	$	322,622	5.00	%
First Commonwealth Bank	602,503		9.36		257,466		4.000		257,466		4.00		321,832		5.00
Common Equity Tier I to Risk Weighted Assets
First Commonwealth Financial Corporation	$	562,879	9.86	%	$	292,506	5.125	%	$	399,520	7.00	%	$	370,983	6.50	%
First Commonwealth Bank	537,927		9.43		292,471		5.125		399,473		7.00		370,939		6.50

On February 17, 2016, First Commonwealth's Board of Directors authorized a $25.0 million common stock repurchase program. As of March 31, 2016, First Commonwealth had repurchased 19,447 shares at an average price of $8.44 per share under this program.

On April 26, 2016, First Commonwealth Financial Corporation declared a quarterly dividend of $0.07 per share payable on May 20, 2016 to shareholders of record as of May 6, 2016. The timing and amount of future dividends are at the discretion of First Commonwealth's Board of Directors based upon, among other factors, capital levels, asset quality, liquidity and current and projected earnings.

50

ITEM 3. Quantitative and Qualitative Disclosures About Market Risk

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

Information appearing in Item 2 of this report under the caption “Market Risk” is incorporated by reference in response to this item.

ITEM 4. Controls and Procedures

We carried out an evaluation, under the supervision and with the participation of our management, including our Chief Executive Officer and our Chief Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures as of the end of the period covered by this report pursuant to Rule 13a-15 under the Securities Exchange Act of 1934 (the “Exchange Act”). Based upon that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures are effective to provide reasonable assurance that the information required to be disclosed in the reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in applicable rules and forms of the Securities and Exchange Commission.

In addition, our management, including our Chief Executive Officer and Chief Financial Officer, also conducted an evaluation of our internal controls over financial reporting to determine whether any changes occurred during the current fiscal quarter that have materially affected, or are reasonably likely to materially affect, our internal controls over financial reporting. No such changes were identified in connection with this evaluation.

51

PART II – OTHER INFORMATION

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

ITEM 1. LEGAL PROCEEDINGS

The information required by this item is set forth in Part I, Item 1, Note 5, "Commitments and Contingent Liabilities," which is incorporated herein by reference in response to this item.

ITEM 1A. RISK FACTORS

There have been no material changes to the risk factors disclosed in our Annual Report on Form 10-K for the fiscal year ended December 31, 2015.

52

PART II – OTHER INFORMATION

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

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

On February 17, 2016, First Commonwealth's Board of Directors authorized a $25.0 million common stock repurchase program. The following table details the amount of shares repurchased under this program during the first quarter of 2016:

Month Ending:	Total Number of Shares Purchased	Average Price Paid per Share (or Unit)		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Maximum Number of Shares that May Yet Be Purchased Under the Plans or Programs*
January 31, 2016	32,169	$	9.07	0	2,863,688
February 29, 2016	19,447	8.44		19,447	2,891,304
March 31, 2016	3,685	8.77		0	2,803,194
Total	55,301	$	8.83	19,447
* Remaining number of shares approved under the Plan is based on the market value of the Company's common stock of $8.73 at January 31, 2016, $8.59 at February 29, 2016, and $8.86 at March 31, 2016.

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

None.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable

ITEM 5. OTHER INFORMATION

None

53

PART II – OTHER INFORMATION

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

ITEM 6.     EXHIBITS

Exhibit Number	Description	Incorporated by Reference to
10.1	2016 Annual Incentive Plan	Filed herewith
10.2	2016-2018 Long-Term Incentive Plan	Filed herewith
31.1	Chief Executive Officer Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002	Filed herewith
31.2	Chief Financial Officer Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002	Filed herewith
32.1	Chief Executive Officer Certification pursuant to Section 906 of the Sarbanes-Oxley Act of 2002	Filed herewith
32.2	Chief Financial Officer Certification pursuant to Section 906 of the Sarbanes-Oxley Act of 2002	Filed herewith
101	The following materials from First Commonwealth Financial Corporation’s Quarterly Report on Form 10-Q, formatted in XBRL (Extensible Business Reporting Language): (i) the Condensed Consolidated Balance Sheets, (ii) the Condensed Consolidated Statements of Income and Comprehensive Income, (iii) the Condensed Consolidated Statements of Changes in Stockholders’ Equity, (iv) the Condensed Consolidated Statements of Cash Flows, and (v) the Notes to Unaudited Condensed Consolidated Financial Statements.	Filed herewith

54

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.

FIRST COMMONWEALTH FINANCIAL CORPORATION

(Registrant)

DATED: May 9, 2016	/s/ T. Michael Price
	T. Michael Price President and Chief Executive Officer
DATED: May 9, 2016	/s/ James R. Reske
	James R. Reske Executive Vice President, Chief Financial Officer and Treasurer

55

EX-10.1

EXHIBIT 10.1

First Commonwealth Financial Corporation

2016 ANNUAL INCENTIVE PLAN

1. Purpose; Effective Date.

This 2016 Annual Incentive Plan (the “Plan”) of First Commonwealth Financial Corporation (the “Company”) is designed to enable the Company and its subsidiaries to attract and retain key employees and to align the interests of such key employees with the interests of shareholders by promoting and rewarding the achievement of annual performance goals. This Plan was approved by the Compensation and Human Resources Committee (the “Committee”) on February 18, 2016, for the fiscal 2016 performance period. Each Award granted under this Plan shall be subject to the terms and conditions of the First Commonwealth Financial Corporation Incentive Compensation Plan (as amended and restated effective April 28, 2015) (the “Master Plan”). Each capitalized term which is not otherwise defined in this Plan shall have the meaning given to such term in the Master Plan.

2. Administration.

The Plan shall be administered by the Committee in accordance with Article 3 of the Master Plan.

3. Participants and Performance Goals.

(a)Exhibit A identifies the Employees who have been selected by the Committee to become Participants in the Plan and the Target Award and Performance Goals for each Participant. The Performance Goals will consist of the Corporate Performance Goals identified in paragraph (b) below, and, if applicable, one or more individual Performance Goals which shall be approved by the Committee and specified in the notice of Award delivered to the Participant (collectively, the “Individual Performance Component”). Corporate Performance Goals shall be calculated from the Company’s publicly reported financial statements as of and for the twelve months ending December 31, 2016 (the “Performance Period”), as adjusted for extraordinary and unplanned events determined by the Committee, in its sole discretion, to be outside of intended performance measurement. The achievement of the Individual Performance Component shall be determined by the Committee in its sole discretion.

(b)The Corporate Performance Goals for the Plan shall consist of the following:

(i)Earnings Per Share (EPS) is defined as the sum of disclosed fully diluted earnings per share for each of the four fiscal quarters in the Performance Period.

(ii)Return on Assets (ROA) is defined as net income divided by the average total assets during the Performance Period.

(iii)Efficiency Ratio is defined as noninterest expense as a percentage of net interest income (fully taxable equivalent) and noninterest income excluding gains from securities transactions and impairment losses.

4. Calculation of Actual Awards.

(a)    A Participant’s payout for each Performance Goal shall be determined according to the following formula:

Award Percentage X Weight X Base Salary

For purposes of this formula:

“Award Percentage” shall mean the percentage shown for the Participant in the “Award Percentage” column of Table 1 on Exhibit A at the Performance Level which is achieved for the applicable Performance Goal as reflected in the “Performance Level” column of Table 2 on Exhibit A. If the actual performance for a Performance

EXHIBIT 10.1

Goal falls between the Threshold and Target Performance Levels or between the Target and Superior Performance Levels, the Award Percentage shall be interpolated between the Award Percentage for the Threshold and Target Performance Levels or between the Target and Superior Performance Levels, as the case may be, as determined by the Committee in its sole discretion. The Award Percentage for the Individual Performance Component will be determined by the Committee in its sole discretion after consideration of the Chief Executive Officer’s assessment of the Participant’s performance of individual scorecard objectives and contribution to the organization as a whole.

“Weight” shall mean the percentage shown for the measure in the “Weight” column of Table 2 on Exhibit A for the applicable Performance Goal.

“Base Salary” shall mean base salary of the Participant on the last day of the Performance Period.

(b)    The aggregate amount payable to the Participant shall be the sum total of the payouts for the Participant’s Performance Goals calculated in accordance with Section 4(a) and shall be referred to as the Participant’s “Actual Award.” The Committee, in its sole discretion, may increase or decrease the Award Percentages used to calculate any Participant’s Actual Award by up to 25 percentage points if the Committee finds such an adjustment appropriate to recognize the impact of the Participant’s performance or impact on the organization outside of the range of expected performance and impact. Any such adjustment cannot increase the Participant’s total payout above the “Superior” level of payout assigned to the participant.

5. Payment of Actual Awards.

(a)    Actual Awards shall be paid in cash, and as specified below, in Restricted Stock, as soon as practicable following the certification by the Committee of results for the Performance Period. However, in any event, all payments shall be made no later than March 15, 2017, such that the payments will be exempt from Section 409A of the Code, under the “short term deferral" exemption specified in Treas. Reg. § 1.409A-1(b)(4). The Actual Award will be paid in cash up to the amount of the Target Award. Any portion of an Actual Award in excess of the Target Award will be paid in shares of Restricted Stock based upon the Fair Market Value of the Company’s Common Stock on the last day of the Performance Period. All Actual Awards are subject to withholding tax and any other normal deduction consistent with the Company’s practices.

(b)    Any shares of Restricted Stock issued pursuant to this Plan (i) may not be sold, transferred, pledged, assigned, or otherwise alienated or hypothecated until the first to occur of (x) December 31, 2017, (y) the death of the Participant, or (z) a Change in Control; and (ii) shall be automatically forfeited and returned to the Company or cancelled if the Participant’s employment terminates for any reason prior to the occurrence of one of the events described in clause (i) of this Section 5(b). Notwithstanding the foregoing, the Committee, in its sole discretion, may cause all or any portion of a Participant’s shares of Restricted Stock to vest prior to the occurrence of one of the events described in the preceding sentence.

6. Termination of Employment.

Notwithstanding any provision to the contrary in the Master Plan, if the Participant ceases to be a full-time employee of the Company for any reason prior to December 31, 2016, the Participant will cease to be a participant in this Plan and will not be eligible to receive any Actual Award pursuant to this Plan.

7. Miscellaneous Provisions.

(a)Claw-Back Rights. The Committee will have the sole and absolute authority to make retroactive adjustments to any Awards paid to Participants where the payment was predicated upon the achievement of erroneous financial or strategic business results or conduct which the Committee determines, in its sole discretion, created unnecessary or excessive risk to the Company or constituted dishonest or unethical conduct for the purposes

EXHIBIT 10.1

of increasing the amount of the Participant’s Award. Where applicable, the Company will seek to recover any amount determined to have been inappropriately received by a Participant under the Plan.

(b)Regulatory Approvals. The Plan and any Award made hereunder shall be subject to all applicable federal and state laws, rules and regulations, and to such approvals by any government or regulatory agency as may be required.

(c)No Effect on Employment or Service. Nothing in the Plan shall interfere with or limit in any way the right of the Company to terminate any Participant’s employment or service at any time, with or without cause.

(d)No Right to Participation. No employee or officer of the Company or any subsidiary shall have the right to be selected to receive an Award under this Plan, or, having been so selected, have the right to receive a future Award.

(e)Nontransferability of Awards. No Award granted under the Plan may be sold, transferred, pledged, assigned, or otherwise alienated or hypothecated, other than by will, by the laws of descent and distribution. All rights with respect to an Award granted to a Participant shall be available during his or her lifetime only to the Participant.

(f)Section 409A. The Plan will be administered, interpreted and construed in compliance with Section 409A of the Code and the regulations and other guidance promulgated thereunder ("Section 409A"), including any exemption thereunder. To the maximum extent permitted by Section 409A, all payments under the Plan are intended to be exempt from Section 409A pursuant to the exemption for short-term deferrals as specified in Treas. Reg. § 1.409A-1(b)(4), the exemption for restricted shares under Section 409A and any other exemptions available under Section 409A. Neither the Company, any of its Subsidiaries nor any of their respective predecessors, successors or affiliates (collectively, the "Company Group") shall be liable for, and nothing provided or contained in the Plan shall obligate or cause any member of the Company Group to be liable for, any tax, interest or penalties imposed on the Participant related to or arising with respect to any violation Section 409A.

EX-10.2

Exhibit 10.2

First Commonwealth Financial Corporation

2016-2018 LONG-TERM INCENTIVE PLAN

1. Purpose; Effective Date.

This 2016-2018 Long-Term Incentive Plan (the “Plan”) of First Commonwealth Financial Corporation (the “Company”) is designed to enable the Company and its subsidiaries to attract and retain key employees and to align the interests of such key employees with the interests of shareholders by promoting share ownership and rewarding the achievement of long-term performance goals. This Plan was approved by the Compensation and Human Resources Committee (the “Committee”) on February 18, 2016, for the January 1, 2016 through December 31, 2018 performance period (the “Performance Period”). Each Award granted under this Plan shall be subject to the terms and conditions of the First Commonwealth Financial Corporation Incentive Compensation Plan (as amended and restated effective April 28, 2015) (the “Master Plan”). Each capitalized term which is not otherwise defined in this Plan shall have the meaning given to such term in the Master Plan.

2. Administration.

The Plan shall be administered by the Committee in accordance with Article 3 of the Master Plan.

3. Plan Awards.

(a)Awards under the Plan shall consist of Performance Units, which shall be settled in shares of Common Stock upon the later of achievement of the Performance Goals and the last day of the Performance Period.

(b)Exhibit A identifies the Employees who have been selected by the Committee to become Participants in the Plan, each Participant’s Target Performance Unit Award, and the Plan Performance Goals.

(c)The Performance Goals shall be calculated from the Company’s publicly reported financial statements and shall be defined as follows:

i.Cumulative Earnings Per Share (“Cumulative EPS”) shall mean the sum of the disclosed fully diluted earnings per share (“EPS”) over the Performance Period.

ii.Total Return to Shareholders (“TRS”) Relative to Peers is defined as the Company’s cumulative TRS relative to the Company’s Peer Group, as reported through SNL Financial or other reporting service. TRS is defined for purposes of this Plan as the total change in the value of a share of Company stock over the Performance Period, plus the value of immediately reinvested dividends over the same period.

iii.Annual EPS shall mean EPS for each year of the Performance Period.

(d)The “Peer Group” for purposes of this Plan shall mean the Peer Group approved by the Committee as of February 20, 2015 and disclosed in the Company’s proxy statement for the 2016 annual meeting of shareholders. The following adjustments shall be made to the Peer Group during the Performance Period: (a) if the acquisition of a member of the Peer Group by another company is completed during the Performance Period or pending as of the last day of the Performance Period, the acquired Peer Group company will be removed from the Peer Group for the entire Performance Period; (b) if a member of the Peer Group acquires another company, the acquiring Peer Group company will remain in the Peer Group for the Performance Period; (c) if a member of the Peer Group is delisted on all major stock exchanges, such delisted company will be removed from the Peer Group for the entire Performance Period; (d) if the Company and/or any member of the Peer Group split its stock or declare a distribution of shares, such company’s TSR performance will be adjusted for the stock split or share

Exhibit 10.2

distribution so as not to give an advantage or disadvantage to such company by comparison to the other companies; and (e) members of the Peer Group that file for bankruptcy, liquidation or reorganization during the Performance Period will remain in the Peer Group positioned below the lowest performing non-bankrupt member of the Peer Group in reverse chronological order by bankruptcy date.

4. Determination of Performance Units.

A Participant’s Performance Unit Award shall be determined according to the following formula:

(Target Award X Cumulative EPS Payout) + (Target Award X TRS Payout) + (Target Award X Annual EPS Payout)

For purposes of this formula:

“Target Award” shall mean the number of shares shown for the Participant in the “Target Performance Unit Award” column of Table 1 on Exhibit A.

“Cumulative EPS Payout” means the percentage shown in the “Cumulative EPS Payout” column of Table 2 on Exhibit A at the performance level for the Cumulative EPS Performance Goal. If the actual performance for Cumulative EPS falls between the Threshold and Target performance levels, or between the Target and Superior performance levels, the EPS Payout shall be interpolated between the percentage shown for the Threshold and Target performance levels, or between the percentage shown for the Target and Superior performance levels, as the case may be, as determined by the Committee in its sole discretion.

“TRS Payout” means the percentage shown in the “TRS Payout” column of Table 2 on Exhibit A at the performance level for the TRS Relative to Peers Performance Goal. If the actual performance for TRS Relative to Peers falls between the Threshold and Target performance levels, or between the Target and Superior performance levels, the TRS Payout shall be interpolated between the percentage shown for the Threshold and Target performance levels, or between the percentage shown for the Target and Superior performance levels, as the case may be, as determined by the Committee in its sole discretion.

“Annual EPS Payout” means 10% for each of the three fiscal years of the Performance Period in which EPS equals or exceeds $0.56; provided, that if the average of EPS for the three fiscal years of the Performance Period equals or exceeds $0.56, Annual EPS Payout shall be 30%.

5. Settlement of Performance Units.

At the end of the Performance Period, the Committee will certify in writing the extent to which the Performance Goals have been achieved. For purposes of this provision, and for so long as the Code permits, the approved minutes of the Committee meeting in which the certification is made may be treated as written certification. Performance Units shall be paid and settled in shares of Common Stock as soon as practicable following the certification by the Committee of results for the Performance Period. However, in any event, all Performance Units shall be paid and settled in shares of Common Stock no later than March 15, 2019, or such earlier date as is provided in the immediately succeeding sentence, such that the payments will be exempt from Section 409A of the Code, under the “short term deferral" exemption specified in Treas. Reg. § 1.409A-1(b)(4). Notwithstanding the foregoing, the Committee, in its sole discretion, may cause all or any portion of a Participant’s Performance Units to be paid and settled in shares of Common Stock prior to March 15, 2019 in the event of (i) the death of the Participant or (ii) a Change of Control, provided that any such earlier payment or settlement shall be made no later than March 15 of the year following the year of such death or Change of Control.

Exhibit 10.2

6. Termination of Employment.

Notwithstanding any provision to the contrary in the Master Plan, if the Participant ceases to be a full-time employee of the Company for any reason prior to the end of the Performance Period, the Participant will cease to be a participant in this Plan and will not be eligible to receive any Awards pursuant to this Plan.

7. Miscellaneous Provisions.

(a)Claw-Back Rights. The Committee will have the sole and absolute authority to make retroactive adjustments to any Awards paid to Participants where the payment was predicated upon the achievement of erroneous financial or strategic business results or conduct which the Committee determines, in its sole discretion, created unnecessary or excessive risk to the Company or constituted dishonest or unethical conduct for the purposes of increasing the amount of the Participant’s Award. Where applicable, the Company will seek to recover any amount determined to have been inappropriately received by a Participant under the Plan.

(b)Amendment or Termination. Notwithstanding any provision to the contrary in the Master Plan, the Committee has full power to amend, modify, suspend, or terminate the Plan or the Awards granted under the Plan to the extent the Committee deems necessary or advisable, in its sole discretion, to promote the safety and soundness of the Company or any of its Subsidiaries, to comply with changes to applicable laws, regulations and regulatory guidance or under other extraordinary circumstances arising after the effective date of the Plan.

(c)Regulatory Approvals. The Plan and any Award made hereunder shall be subject to all applicable federal and state laws, rules and regulations, and to such approvals by any government or regulatory agency as may be required.

(d)No Effect on Employment or Service. Nothing in the Plan shall interfere with or limit in any way the right of the Company to terminate any Participant’s employment or service at any time, with or without cause.

(e)No Right to Participation. No employee or officer of the Company or any subsidiary shall have the right to be selected to receive an Award under this Plan, or, having been so selected, have the right to receive a future Award.

(f)Nontransferability of Awards. No Award granted under the Plan may be sold, transferred, pledged, assigned, or otherwise alienated or hypothecated, other than by will, by the laws of descent and distribution. All rights with respect to an Award granted to a Participant shall be available during his or her lifetime only to the Participant.

(g)Section 409A. The Plan will be administered, interpreted and construed in compliance with Section 409A of the Code and the regulations and other guidance promulgated thereunder ("Section 409A"), including any exemption thereunder. To the maximum extent permitted by Section 409A, all payments under the Plan are intended to be exempt from Section 409A pursuant to the exemption for short-term deferrals as specified in Treas. Reg. § 1.409A-1(b)(4), the exemption for restricted shares under Section 409A and any other exemptions available under Section 409A. Neither the Company, any of its Subsidiaries nor any of their respective predecessors, successors or affiliates (collectively, the "Company Group") shall be liable for, and nothing provided or contained in the Plan shall obligate or cause any member of the Company Group to be liable for, any tax, interest or penalties imposed on the Participant related to or arising with respect to any violation Section 409A.

EX-31.1

EXHIBIT 31.1

CHIEF EXECUTIVE OFFICER CERTIFICATION

PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, T. Michael Price, certify that:

1. I have reviewed this quarterly report on Form 10-Q of First Commonwealth Financial Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

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

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

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

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

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

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (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.

DATED: May 9, 2016	/s/ T. Michael Price
	T. Michael Price President and Chief Executive Officer

EX-31.2

EXHIBIT 31.2

CHIEF FINANCIAL OFFICER CERTIFICATION

PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, James R. Reske, certify that:

1. I have reviewed this quarterly report on Form 10-Q of First Commonwealth Financial Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

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

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

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

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

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

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (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.

DATED: May 9, 2016	/s/ James R. Reske
	James R. Reske
	Executive Vice President, Chief Financial Officer and Treasurer

EX-32.1

EXHIBIT 32.1

CERTIFICATION PURSUANT TO SECTION 906 OF THE

SARBANES-OXLEY ACT OF 2002

I, T. Michael Price, of First Commonwealth Financial Corporation (“First Commonwealth”), certify that the Quarterly Report of First Commonwealth on Form 10-Q for the period ended March 31, 2016, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that the information contained in such report fairly presents, in all material respects, the financial condition of First Commonwealth at the end of such period and the results of operations of First Commonwealth for such period.

DATED: May 9, 2016	/s/ T. Michael Price
	T. Michael Price
	President and Chief Executive Officer

EX-32.2

EXHIBIT 32.2

CERTIFICATION PURSUANT TO SECTION 906 OF THE

SARBANES-OXLEY ACT OF 2002

I, James R. Reske, of First Commonwealth Financial Corporation (“First Commonwealth”), certify that the Quarterly Report of First Commonwealth on Form 10-Q for the period ended March 31, 2016, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that the information contained in such report fairly presents, in all material respects, the financial condition of First Commonwealth at the end of such period and the results of operations of First Commonwealth for such period.

DATED: May 9, 2016	/s/ James R. Reske
	James R. Reske
	Executive Vice President, Chief Financial Officer and Treasurer

XML

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2016	May. 06, 2016
Entity Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2016
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q1
Trading Symbol	FCF
Entity Registrant Name	FIRST COMMONWEALTH FINANCIAL CORP /PA/
Entity Central Index Key	0000712537
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		88,944,996

XML

Condensed Consolidated Statements of Financial Condition (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Assets
Cash and due from banks	$ 62,141	$ 66,644
Interest-bearing bank deposits	11,024	2,808
Securities available for sale, at fair value	890,198	886,560
Securities held to maturity, at amortized cost (Fair value of $400,964 and $382,341 at March 31, 2016 and December 31, 2015, respectively)	396,444	384,324
Other investments	60,597	62,952
Loans held for sale	5,849	5,763
Loans:
Portfolio loans	4,798,755	4,683,750
Allowance for credit losses	(55,222)	(50,812)
Net loans	4,743,533	4,632,938
Premises and equipment, net	63,860	63,454
Other real estate owned	8,636	9,398
Goodwill	164,500	164,500
Amortizing intangibles, net	1,094	1,231
Bank owned life insurance	183,897	182,601
Other assets	107,381	103,717
Total assets	6,699,154	6,566,890
Deposits (all domestic):
Noninterest-bearing	1,155,795	1,116,689
Interest-bearing	3,145,860	3,079,205
Total deposits	4,301,655	4,195,894
Short-term borrowings	1,518,742	1,510,825
Subordinated debentures	72,167	72,167
Other long-term debt	9,175	9,314
Total long-term debt	81,342	81,481
Other liabilities	64,101	59,144
Total liabilities	5,965,840	5,847,344
Shareholders’ Equity
Preferred stock, $1 par value per share, 3,000,000 shares authorized, none issued	0	0
Common stock, $1 par value per share, 200,000,000 shares authorized; 105,563,455 shares issued at March 31, 2016 and December 31, 2015, and 88,959,315 and 88,961,268 shares outstanding at March 31, 2016 and December 31, 2015, respectively	105,563	105,563
Additional paid-in capital	366,090	365,981
Retained earnings	384,330	378,081
Accumulated other comprehensive income (loss), net	5,278	(2,386)
Treasury stock (16,604,140 and 16,602,187 shares at March 31, 2016 and December 31, 2015, respectively)	(127,947)	(127,693)
Total shareholders’ equity	733,314	719,546
Total liabilities and shareholders’ equity	$ 6,699,154	$ 6,566,890

XML

Condensed Consolidated Statements of Financial Condition (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Preferred stock, par value (in dollars per share)	$ 1	$ 1
Preferred stock, shares authorized (in shares)	3,000,000	3,000,000
Preferred stock, shares issued (in shares)	0	0
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	200,000,000	200,000,000
Common stock, shares issued (in shares)	105,563,455	105,563,455
Common stock, shares outstanding (in shares)	88,959,315	88,961,268
Treasury stock, shares (in shares)	16,604,140	16,602,187
Securities held to maturity, fair value	$ 400,964	$ 382,341

XML

Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Interest Income
Interest and fees on loans	$ 45,034	$ 42,601
Interest and dividends on investments:
Taxable interest	7,146	6,817
Interest exempt from federal income taxes	361	175
Dividends	806	1,489
Interest on bank deposits	6	3
Total interest income	53,353	51,085
Interest Expense
Interest on deposits	1,589	2,150
Interest on short-term borrowings	2,235	958
Interest on subordinated debentures	634	569
Interest on other long-term debt	88	236
Total interest expense	4,546	3,913
Net Interest Income	48,807	47,172
Provision for credit losses	6,526	1,159
Net Interest Income after Provision for Credit Losses	42,281	46,013
Noninterest Income
Net securities gains	0	105
Trust income	1,255	1,421
Service charges on deposit accounts	3,708	3,318
Insurance and retail brokerage commissions	1,959	2,195
Income from bank owned life insurance	1,296	1,354
Gain on sale of mortgage loans	683	439
Gain on sale of other loans and assets	195	224
Card-related interchange income	3,557	3,418
Derivatives mark to market expense	(1,014)	(230)
Other income	2,076	1,947
Total noninterest income	13,715	14,191
Noninterest Expense
Salaries and employee benefits	21,677	21,892
Net occupancy expense	3,481	3,911
Furniture and equipment expense	2,867	2,680
Data processing expense	1,759	1,438
Pennsylvania shares tax expense	758	794
Intangible amortization	137	156
Collection and repossession expense	569	511
Other professional fees and services	791	930
FDIC insurance	1,038	1,059
Loss on sale or write-down of assets	96	262
Litigation and operational losses	244	1,000
Other operating expenses	4,727	5,221
Total noninterest expense	38,144	39,854
Income Before Income Taxes	17,852	20,350
Income tax provision	5,379	6,129
Net Income	$ 12,473	$ 14,221
Average Shares Outstanding (in shares)	88,840,088	90,875,724
Average Shares Outstanding Assuming Dilution (in shares)	88,845,201	90,889,035
Per Share Data:
Basic Earnings per Share (in dollars per share)	$ 0.14	$ 0.16
Diluted Earnings per Share (in dollars per share)	0.14	0.16
Cash Dividends Declared per Common Share (in dollars per share)	$ 0.07	$ 0.07

XML

Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Net Income	$ 12,473	$ 14,221
Other comprehensive income, before tax expense:
Unrealized holding gains on securities arising during the period	10,070	9,980
Less: reclassification adjustment for gains on securities included in net income	0	(105)
Unrealized holding gains on derivatives arising during the period	1,735	1,195
Less: reclassification adjustment for (gains) losses on derivatives included in net income	(15)	5
Total other comprehensive income, before tax expense	11,790	11,075
Income tax expense related to items of other comprehensive income	(4,126)	(3,874)
Total other comprehensive income	7,664	7,201
Comprehensive Income	$ 20,137	$ 21,422

XML

Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss), net [Member]	Treasury Stock [Member]
Beginning balance at Dec. 31, 2014	$ 716,145	$ 105,563	$ 365,615	$ 353,027	$ (4,499)	$ (103,561)
Beginning balance, shares at Dec. 31, 2014		91,723,028
Net Income	14,221			14,221
Other comprehensive income (loss)	7,201				7,201
Dividends, declared (USD per share)	(6,407)			(6,407)
Treasury stock acquired	(18,874)					(18,874)
Treasury stock acquired, shares		(2,201,391)
Restricted stock	574	$ 0	259	0		315
Restricted stock, shares		134,370
Ending balance at Mar. 31, 2015	712,860	$ 105,563	365,874	360,841	2,702	(122,120)
Ending balance, shares at Mar. 31, 2015		89,656,007
Beginning balance at Dec. 31, 2015	$ 719,546	$ 105,563	365,981	378,081	(2,386)	(127,693)
Beginning balance, shares at Dec. 31, 2015	88,961,268	88,961,268
Net Income	$ 12,473			12,473
Other comprehensive income (loss)	7,664				7,664
Dividends, declared (USD per share)	(6,224)			(6,224)
Treasury stock acquired	(488)					(488)
Treasury stock acquired, shares		(55,301)
Restricted stock	343	$ 0	109	0		234
Restricted stock, shares		53,348
Ending balance at Mar. 31, 2016	$ 733,314	$ 105,563	$ 366,090	$ 384,330	$ 5,278	$ (127,947)
Ending balance, shares at Mar. 31, 2016	88,959,315	88,959,315

XML

Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Stockholders' Equity [Abstract]
Cash Dividends Declared per Common Share (in dollars per share)	$ 0.07	$ 0.07

XML

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating Activities
Net Income	$ 12,473	$ 14,221
Provision for credit losses	6,526	1,159
Deferred tax expense	1,200	4,219
Depreciation and amortization	1,740	1,899
Net losses (gains) on securities and other assets	218	(267)
Net amortization of premiums and discounts on securities	1,102	441
Income from increase in cash surrender value of bank owned life insurance	(1,296)	(1,354)
Increase in interest receivable	(911)	(127)
Mortgage loans originated for sale	(22,269)	(15,382)
Proceeds from sale of mortgage loans	22,858	15,472
Decrease in interest payable	(26)	(92)
Increase in income taxes payable	2,811	290
Other-net	(4,834)	(4,748)
Net cash provided by operating activities	19,592	15,731
Investing Activities
Proceeds from sale and maturity of held-to-maturity securities	6,924	0
Payments to acquire held-to-maturity securities	(19,695)	(29,616)
Proceeds from Sale of Available-for-sale Securities	0	0
Proceeds from maturities and redemptions of available-for-sale securities	35,815	50,568
Purchases of available-for-sale securities	(29,930)	(500)
Purchases of FHLB stock	(10,281)	(13,801)
Proceeds from the redemption of FHLB stock	12,636	11,270
Proceeds from bank owned life insurance	0	291
Proceeds from sale of other assets	2,101	1,008
Net (increase) decrease in loans	(118,137)	9,540
Purchases of premises and equipment	(2,251)	(1,665)
Net cash (used in) provided by investing activities	(122,818)	27,095
Financing Activities
Net (decrease) increase in federal funds purchased	(4,000)	6,000
Net increase in other short-term borrowings	11,917	13,644
Net increase (decrease) in deposits	105,873	(21,761)
Repayments of other long-term debt	(139)	(25,134)
Dividends paid	(6,224)	(6,407)
Purchase of treasury stock	(488)	(18,421)
Net cash provided by (used in) financing activities	106,939	(52,079)
Net increase (decrease) in cash and cash equivalents	3,713	(9,253)
Cash and cash equivalents at January 1	69,452	74,538
Cash and cash equivalents at March 31	$ 73,165	$ 65,285

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Basis of Presentation

3 Months Ended

Mar. 31, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

The accounting and reporting policies of First Commonwealth Financial Corporation and its subsidiaries (“First Commonwealth” or the “Company”) conform with generally accepted accounting principles in the United States of America (“GAAP”). The preparation of financial statements in conformity with GAAP requires management to make estimates, assumptions and judgments that affect the amounts reported in the financial statements and accompanying notes. Actual realized amounts could differ from those estimates. In the opinion of management, the unaudited interim condensed consolidated financial statements include all adjustments (consisting of only normal recurring adjustments) necessary for a fair presentation of First Commonwealth’s financial position, results of operations, comprehensive income, cash flows and changes in shareholders’ equity as of and for the periods presented.

The results of operations for the three months endedMarch 31, 2016 are not necessarily indicative of the results that may be expected for the full year of 2016. These interim financial statements should be read in conjunction with First Commonwealth’s 2015 Annual Report on Form 10-K.

For purposes of reporting cash flows, cash and cash equivalents include cash on hand, amounts due from banks, federal funds sold and interest-bearing bank deposits. Generally, federal funds are sold for one-day periods.

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Supplemental Comprehensive Income Disclosures

3 Months Ended

Mar. 31, 2016

Supplemental Comprehensive Income Disclosures [Abstract]

Supplemental Comprehensive Income Disclosures

Supplemental Comprehensive Income Disclosures

The following table identifies the related tax effects allocated to each component of other comprehensive income (“OCI”) in the Condensed Consolidated Statements of Comprehensive Income. Reclassification adjustments related to securities available for sale are included in the "Net securities gains" line and reclassification adjustments related to losses on derivatives are included in the "Other operating expenses" line in the Condensed Consolidated Statements of Income.

	For the Three Months Ended March 31,
	2016									2015
	Pretax Amount			Tax (Expense) Benefit			Net of Tax Amount			Pretax Amount			Tax (Expense) Benefit			Net of Tax Amount
	(dollars in thousands)
Unrealized gains on securities:
Unrealized holding gains on securities arising during the period	$	10,070		$	(3,524	)	$	6,546		$	9,980		$	(3,491	)	$	6,489
Reclassification adjustment for gains on securities included in net income	—			—			—			(105		)	37			(68		)
Total unrealized gains on securities	10,070			(3,524		)	6,546			9,875			(3,454		)	6,421
Unrealized gains on derivatives:
Unrealized holding gains on derivatives arising during the period	1,735			(607		)	1,128			1,195			(418		)	777
Reclassification adjustment for (gains) losses on derivatives included in net income	(15		)	5			(10		)	5			(2		)	3
Total unrealized gains on derivatives	1,720			(602		)	1,118			1,200			(420		)	780
Total other comprehensive income	$	11,790		$	(4,126	)	$	7,664		$	11,075		$	(3,874	)	$	7,201

The following table details the change in components of OCI for the three months endedMarch 31:

	2016											2015
	Securities Available for Sale			Post-Retirement Obligation		Derivatives			Accumulated Other Comprehensive Income			Securities Available for Sale			Post-Retirement Obligation		Derivatives		Accumulated Other Comprehensive Income
	(dollars in thousands)
Balance at December 31	$	(2,956	)	$	10	$	560		$	(2,386	)	$	(4,875	)	$	76	$	300	$	(4,499	)
Other comprehensive income before reclassification adjustment	6,546			—		1,128			7,674			6,489			—		777		7,266
Amounts reclassified from accumulated other comprehensive (loss) income	—			—		(10		)	(10		)	(68		)	—		3		(65		)
Net other comprehensive income during the period	6,546			—		1,118			7,664			6,421			—		780		7,201
Balance at March 31	$	3,590		$	10	$	1,678		$	5,278		$	1,546		$	76	$	1,080	$	2,702

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Supplemental Cash Flow Disclosures

3 Months Ended

Mar. 31, 2016

Supplemental Cash Flow Information [Abstract]

Supplemental Cash Flow Disclosures

Supplemental Cash Flow Disclosures

The following table presents information related to cash paid during the period for interest, as well as detail on non-cash investing and financing activities for the three months endedMarch 31:

	2016		2015
	(dollars in thousands)
Cash paid during the period for:
Interest	$	4,674	$	4,004
Income taxes	1,000		1,500
Non-cash investing and financing activities:
Loans transferred to other real estate owned and repossessed assets	1,355		797
Loans transferred from held to maturity to held for sale	—		3,011
Gross increase in market value adjustment to securities available for sale	10,070		9,869
Gross increase in market value adjustment to derivatives	1,720		1,200
Investments committed to purchase, not settled	600		637
Unsettled treasury stock repurchases	—		453

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Earnings per Share

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Earnings per Share

Earnings per Share

The following table summarizes the composition of the weighted-average common shares (denominator) used in the basic and diluted earnings per share computations:

	For the Three Months Ended March 31,
	2016		2015
Weighted average common shares issued	105,563,455		105,563,455
Average treasury stock shares	(16,623,094	)	(14,503,976	)
Average unearned nonvested shares	(100,273	)	(183,755	)
Weighted average common shares and common stock equivalents used to calculate basic earnings per share	88,840,088		90,875,724
Additional common stock equivalents (nonvested stock) used to calculate diluted earnings per share	5,113		13,311
Weighted average common shares and common stock equivalents used to calculate diluted earnings per share	88,845,201		90,889,035

The following table shows the number of shares and the price per share related to common stock equivalents that were not included in the computation of diluted earnings per share for the three months endedMarch 31 because to do so would have been antidilutive.

	2016			2015
		Price Range			Price Range
	Shares	From	To	Shares	From	To
Restricted Stock	88,508	7.21	9.84	118,390	7.35	9.26

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Commitments and Contingent Liabilities

3 Months Ended

Mar. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingent Liabilities

Commitments and Contingent Liabilities

Commitments and Letters of Credit

Standby letters of credit and commercial letters of credit are conditional commitments issued by First Commonwealth to guarantee the performance of a customer to a third party. The contract or notional amount of these instruments reflects the maximum amount of future payments that First Commonwealth could be required to pay under the guarantees if there were a total default by the guaranteed parties, without consideration of possible recoveries under recourse provisions or from collateral held or pledged. In addition, many of these commitments are expected to expire without being drawn upon; therefore, the total commitment amounts do not necessarily represent future cash requirements.

The following table identifies the notional amount of those instruments at:

	March 31, 2016		December 31, 2015
	(dollars in thousands)
Financial instruments whose contract amounts represent credit risk:
Commitments to extend credit	$	1,643,908	$	1,643,187
Financial standby letters of credit	17,805		17,843
Performance standby letters of credit	27,352		26,497
Commercial letters of credit	1,718		1,672

The notional amounts outstanding as of March 31, 2016 include amounts issued in 2016 of $13 thousand in financial standby letters of credit, $1.3 million in performance standby letters of credit and $0.2 million commercial letters of credit. A liability of $0.1 million and $0.2 million has been recorded as of March 31, 2016 and December 31, 2015, respectively, which represents the estimated fair value of letters of credit issued. The fair value of letters of credit is estimated based on the unrecognized portion of fees received at the time the commitment was issued.

Unused commitments and letters of credit provide exposure to future credit loss in the event of nonperformance by the borrower or guaranteed parties. Management’s evaluation of the credit risk related to these commitments resulted in the recording of a liability of $4.1 million as of March 31, 2016 and $4.4 million as of December 31, 2015. This liability is reflected in "Other liabilities" in the Condensed Consolidated Statements of Financial Condition. The credit risk evaluation incorporated probability of default, loss given default and estimated utilization for the next twelve months for each loan category and the letters of credit.

Legal Proceedings

First Commonwealth and its subsidiaries are subject in the normal course of business to various pending and threatened legal proceedings in which claims for monetary damages are asserted. As of March 31, 2016, management, after consultation with legal counsel, does not anticipate that the aggregate ultimate liability arising out of litigation pending or threatened against First Commonwealth or its subsidiaries will be material to First Commonwealth’s consolidated financial position. On at least a quarterly basis, First Commonwealth assesses its liabilities and contingencies in connection with such legal proceedings. For those matters where it is probable that First Commonwealth will incur losses and the amounts of the losses can be reasonably estimated, First Commonwealth records an expense and corresponding liability in its consolidated financial statements. To the extent the pending or threatened litigation could result in exposure in excess of that liability, the amount of such excess is not currently estimable. Although not considered probable, the range of reasonably possible losses for such matters in the aggregate, beyond the existing recorded liability (if any), is between $0 and $7 million. Although First Commonwealth does not believe that the outcome of pending litigation will be material to First Commonwealth’s consolidated financial position, it cannot rule out the possibility that such outcomes will be material to the consolidated results of operations and cash flows for a particular reporting period in the future.

First Commonwealth Financial Corporation and First Commonwealth Bank were named defendants in an action commenced August 27, 2015 by eight named plaintiffs that is pending in the Court of Common Pleas of Jefferson County, Pennsylvania.  The plaintiffs allege that the Bank repossessed motor vehicles, sold the vehicles and sought to collect deficiency balances in a manner that did not comply with the notice requirements of the Pennsylvania Uniform Commercial Code (UCC), charged inappropriate costs and fees, including storage costs for dates that a repossessed vehicle was not in storage, and wrongly filed forms with the Department of Motor Vehicles asserting that the Bank had complied with applicable laws relating to the repossession of the vehicles. The plaintiffs seek to pursue the action as a class action on behalf of the named plaintiffs and other similarly situated plaintiffs who had their automobiles repossessed and seek to recover damages under the UCC and the Pennsylvania Fair Credit Extension Uniformity Act. First Commonwealth and the Bank contest the plaintiffs’ allegations and intend to oppose class certification.  The Bank has also asserted counterclaims for breach of contract, set-off and recoupment against the plaintiffs, individually, and as representatives of the putative class.  As set forth in the preceding paragraph, all current litigation matters, including this action, are believed to be within the range of reasonably possible losses for such matters in the aggregate set forth above.

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Investment Securities

3 Months Ended

Mar. 31, 2016

Investment Securities [Abstract]

Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]

Investment Securities

Securities Available for Sale

Below is an analysis of the amortized cost and estimated fair values of securities available for sale at:

	March 31, 2016									December 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities – Residential	$	19,380	$	2,320	$	—		$	21,700	$	20,034	$	2,071	$	(13	)	$	22,092
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities – Residential	768,405		12,917		(1,697		)	779,625		778,476		7,983		(8,882		)	777,577
Mortgage-Backed Securities – Commercial	23		—		—			23		28		—		—			28
Other Government-Sponsored Enterprises	19,201		7		(5		)	19,203		19,201		2		(85		)	19,118
Obligations of States and Political Subdivisions	27,068		764		—			27,832		27,066		532		—			27,598
Corporate Securities	5,896		440		—			6,336		1,897		422		—			2,319
Pooled Trust Preferred Collateralized Debt Obligations	42,500		476		(9,703		)	33,273		42,239		916		(7,497		)	35,658
Total Debt Securities	882,473		16,924		(11,405		)	887,992		888,941		11,926		(16,477		)	884,390
Equities	2,206		—		—			2,206		2,170		—		—			2,170
Total Securities Available for Sale	$	884,679	$	16,924	$	(11,405	)	$	890,198	$	891,111	$	11,926	$	(16,477	)	$	886,560

Mortgage backed securities include mortgage backed obligations of U.S. Government agencies and obligations of U.S. Government-sponsored enterprises. These obligations have contractual maturities ranging from less than one year to approximately 30 years with lower anticipated lives to maturity due to prepayments. All mortgage backed securities contain a certain amount of risk related to the uncertainty of prepayments of the underlying mortgages. Interest rate changes have a direct impact upon prepayment speeds; therefore, First Commonwealth uses computer simulation models to test the average life and yield volatility of all mortgage backed securities under various interest rate scenarios to monitor the potential impact on earnings and interest rate risk positions.

Expected maturities will differ from contractual maturities because issuers may have the right to call or repay obligations with or without call or prepayment penalties. Other fixed income securities within the portfolio also contain prepayment risk.

The amortized cost and estimated fair value of debt securities available for sale at March 31, 2016, by contractual maturity, are shown below.

	Amortized Cost		Estimated Fair Value
	(dollars in thousands)
Due within 1 year	$	2,601	$	2,601
Due after 1 but within 5 years	20,596		20,640
Due after 5 but within 10 years	27,068		27,832
Due after 10 years	44,400		35,571
	94,665		86,644
Mortgage-Backed Securities (a)	787,808		801,348
Total Debt Securities	$	882,473	$	887,992

(a) Mortgage Backed Securities include an amortized cost of $19.4 million and a fair value of $21.7 million for Obligations of U.S. Government agencies issued by Ginnie Mae and an amortized cost of $768.4 million and a fair value of $779.6 million for Obligations of U.S. Government-sponsored enterprises issued by Fannie Mae and Freddie Mac.

Proceeds from sales, gross gains (losses) realized on sales, maturities and other-than-temporary impairment charges related to securities available for sale were as follows for the three months endedMarch 31:

	2016		2015
	(dollars in thousands)
Proceeds from sales	$	—	$	—
Gross gains (losses) realized:
Sales Transactions:
Gross gains	$	—	$	—
Gross losses	—		—
	—		—
Maturities and impairment
Gross gains	—		105
Gross losses	—		—
Other-than-temporary impairment	—		—
	—		105
Net gains and impairment	$	—	$	105

Securities available for sale with an estimated fair value of $478.2 million and $416.1 million were pledged as of March 31, 2016 and December 31, 2015, respectively, to secure public deposits and for other purposes required or permitted by law.

Securities Held to Maturity

Below is an analysis of the amortized cost and fair values of debt securities held to maturity at:

	March 31, 2016									December 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities – Residential	$	4,743	$	99	$	—		$	4,842	$	4,775	$	—	$	(7	)	$	4,768
Mortgage-Backed Securities- Commercial	16,767		—		(3		)	16,764		16,843		—		(247		)	16,596
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities – Residential	325,974		3,526		—			329,500		315,609		30		(1,824		)	313,815
Mortgage-Backed Securities – Commercial	15,067		273		—			15,340		15,187		—		(178		)	15,009
Obligations of States and Political Subdivisions	33,893		627		(2		)	34,518		31,910		301		(58		)	32,153
Total Securities Held to Maturity	$	396,444	$	4,525	$	(5	)	$	400,964	$	384,324	$	331	$	(2,314	)	$	382,341

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

	Amortized Cost		Estimated Fair Value
	(dollars in thousands)
Due within 1 year	$	—	$	—
Due after 1 but within 5 years	107		108
Due after 5 but within 10 years	27,839		28,412
Due after 10 years	5,947		5,998
	33,893		34,518
Mortgage-Backed Securities (a)	362,551		366,446
Total Debt Securities	$	396,444	$	400,964

(a) Mortgage Backed Securities include an amortized cost of $21.5 million and a fair value of $21.6 million for Obligations of U.S. Government agencies issued by Ginnie Mae and an amortized cost of $341.0 million and a fair value of $344.8 million for Obligations of U.S. Government-sponsored enterprises issued by Fannie Mae and Freddie Mac.

Securities held to maturity with an amortized cost of $58.3 million and $45.7 million were pledged as of March 31, 2016 and December 31, 2015, respectively, to secure public deposits and for other purposes required or permitted by law.

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Impairment of Investment Securities

3 Months Ended

Mar. 31, 2016

Impairment of Investment Securities Disclosure [Abstract]

Impairment of Investment Securities

Impairment of Investment Securities

Securities Available for Sale and Held to Maturity

As required by FASB ASC Topic 320, “Investments – Debt and Equity Securities,” credit-related other-than-temporary impairment on debt securities is recognized in earnings, while non-credit related other-than-temporary impairment on debt securities not expected to be sold is recognized in OCI. During the three months endedMarch 31, 2016 and 2015, no other-than-temporary impairment charges were recognized.

First Commonwealth utilizes the specific identification method to determine the net gain or loss on debt securities and the average cost method to determine the net gain or loss on equity securities.

We review our investment portfolio on a quarterly basis for indications of impairment. This review includes analyzing the length of time and the extent to which the fair value has been lower than the cost, the financial condition and near-term prospects of the issuer, including any specific events which may influence the operations of the issuer and whether we are more likely than not to sell, or be required to sell, the security. We evaluate whether we are more likely than not to sell debt securities based upon our investment strategy for the particular type of security and our cash flow needs, liquidity position, capital adequacy, tax position and interest rate risk position. In addition, the risk of future other-than-temporary impairment may be influenced by additional bank failures, weakness in the U.S. economy, changes in real estate values and additional interest deferrals in our pooled trust preferred collateralized debt obligations. Our pooled trust preferred collateralized debt obligations are beneficial interests in securitized financial assets within the scope of FASB ASC Topic 325, “Investments – Other,” and are therefore evaluated for other-than-temporary impairment using management’s best estimate of future cash flows. If these estimated cash flows indicate that it is probable that an adverse change in cash flows has occurred, then other-than-temporary impairment would be recognized in accordance with FASB ASC Topic 320. There is a risk that First Commonwealth will record other-than-temporary impairment charges in the future. See Note 10, “Fair Values of Assets and Liabilities,” for additional information.

The following table presents the gross unrealized losses and estimated fair values at March 31, 2016 for both available for sale and held to maturity securities by investment category and time frame for which securities have been in a continuous unrealized loss position:

	Less Than 12 Months					12 Months or More					Total
	Estimated Fair Value		Gross Unrealized Losses			Estimated Fair Value		Gross Unrealized Losses			Estimated Fair Value		Gross Unrealized Losses
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities – Commercial	$	16,764	$	(3	)	$	—	$	—		$	16,764	$	(3	)
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities – Residential	26,650		(14		)	212,200		(1,683		)	238,850		(1,697		)
Other Government-Sponsored Enterprises	5,596		(5		)	—		—			5,596		(5		)
Obligations of States and Political Subdivisions	543		(2		)	—		—			543		(2		)
Pooled Trust Preferred Collateralized Debt Obligations	—		—			27,923		(9,703		)	27,923		(9,703		)
Total Securities	$	49,553	$	(24	)	$	240,123	$	(11,386	)	$	289,676	$	(11,410	)

At March 31, 2016, fixed income securities issued by U.S. Government-sponsored enterprises comprised 15% of total unrealized losses due to changes in market interest rates. Pooled trust preferred collateralized debt obligations accounted for 85% of the unrealized losses primarily due to the illiquid market for this investment type. At March 31, 2016, there are 30 debt securities in an unrealized loss position.

The following table presents the gross unrealized losses and estimated fair values at December 31, 2015 by investment category and time frame for which securities have been in a continuous unrealized loss position:

	Less Than 12 Months					12 Months or More					Total
	Estimated Fair Value		Gross Unrealized Losses			Estimated Fair Value		Gross Unrealized Losses			Estimated Fair Value		Gross Unrealized Losses
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities – Residential	$	6,798	$	(20	)	$	—	$	—		$	6,798	$	(20	)
Mortgage-Backed Securities - Commercial	16,596		(247		)	—		—			16,596		(247		)
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities – Residential	436,011		(3,293		)	263,119		(7,413		)	699,130		(10,706		)
Mortgage-Backed Securities – Commercial	15,009		(178		)	—		—			15,009		(178		)
Other Government-Sponsored Enterprises	12,316		(85		)	—		—			12,316		(85		)
Obligation of States and Political Subdivisions	7,208		(58		)	—		—			7,208		(58		)
Pooled Trust Preferred Collateralized Debt Obligations	—		—			29,957		(7,497		)	29,957		(7,497		)
Total Securities	$	493,938	$	(3,881	)	$	293,076	$	(14,910	)	$	787,014	$	(18,791	)

As of March 31, 2016, our corporate securities had an amortized cost and an estimated fair value of $5.9 million and $6.3 million, respectively. As of December 31, 2015, our corporate securities had an amortized cost and estimated fair value of $1.9 million and $2.3 million, respectively. Corporate securities are comprised of debt for large regional banks. There were no corporate securities in an unrealized loss position as of March 31, 2016 and December 31, 2015. When unrealized losses exist on these investments, management reviews each of the issuer’s asset quality, earnings trends and capital position, to determine whether issues in an unrealized loss position were other-than-temporarily impaired. All interest payments on the corporate securities are being made as contractually required.

As of March 31, 2016, the book value of our pooled trust preferred collateralized debt obligations totaled $42.5 million with an estimated fair value of $33.3 million, which includes securities comprised of 274 banks and other financial institutions. All of our pooled securities are mezzanine tranches, three of which have no senior class remaining in the issue. The credit ratings on all of our issues are below investment grade. At the time of initial issue, the subordinated tranches ranged in size from approximately 7% to 35% of the total principal amount of the respective securities and no more than 5% of any pooled security consisted of a security issued by any one institution. As of March 31, 2016, after taking into account management’s best estimates of future interest deferrals and defaults, four of our securities had no excess subordination in the tranches we own and five of our securities had excess subordination which ranged from 10% to 83% of the current performing collateral.

The following table provides information related to our pooled trust preferred collateralized debt obligations as of March 31, 2016:

Deal	Class	Book Value		Estimated Fair Value		Unrealized Gain (Loss)			Moody’s/ Fitch Ratings	Number of Banks	Deferrals and Defaults as a % of Current Collateral		Excess Subordination as a % of Current Performing Collateral
(dollars in thousands)
Pre TSL IV	Mezzanine	$	1,830	$	1,291	$	(539	)	B1/BB	6	18.05	%	59.28	%
Pre TSL VII	Mezzanine	3,020		3,272		252			Ca/-	14	49.68		—
Pre TSL VIII	Mezzanine	2,020		1,705		(315		)	C/C	28	53.00		—
Pre TSL IX	Mezzanine	2,385		1,778		(607		)	B1/C	38	29.80		9.82
Pre TSL X	Mezzanine	1,644		1,779		135			Caa1/C	43	30.66		—
Pre TSL XII	Mezzanine	5,735		4,324		(1,411		)	B3/C	66	22.03		—
Pre TSL XIII	Mezzanine	12,767		9,856		(2,911		)	Ba3/C	56	12.11		42.17
Pre TSL XIV	Mezzanine	12,889		8,969		(3,920		)	B1/CC	56	19.72		49.72
MMCap I	Mezzanine	210		299		89			Ca/C	8	58.11		83.30
Total		$	42,500	$	33,273	$	(9,227	)

Lack of liquidity in the market for trust preferred collateralized debt obligations, below investment grade credit ratings and market uncertainties related to the financial industry are factors contributing to the impairment on these securities.

All of the Company's pooled trust preferred securities are included in the non-exclusive list issued by the regulatory agencies and therefore are not considered covered funds under the Volcker Rule.

On a quarterly basis we evaluate our debt securities for other-than-temporary impairment. During the three months endedMarch 31, 2016 and 2015, there were no credit-related other-than-temporary impairment charges recognized on our pooled trust preferred collateralized debt obligations. When evaluating these investments, we determine a credit-related portion and a non-credit related portion of other-than-temporary impairment. The credit-related portion is recognized in earnings and represents the difference between book value and the present value of future cash flows. The non-credit related portion is recognized in OCI and represents the difference between the fair value of the security and the amount of credit-related impairment. A discounted cash flow analysis provides the best estimate of credit-related other-than-temporary impairment for these securities.

Additional information related to the discounted cash flow analysis follows:

Our pooled trust preferred collateralized debt obligations are measured for other-than-temporary impairment within the scope of FASB ASC Topic 325 by determining whether it is probable that an adverse change in estimated cash flows has occurred. Determining whether there has been an adverse change in estimated cash flows from the cash flows previously projected involves comparing the present value of remaining cash flows previously projected against the present value of the cash flows estimated at March 31, 2016. We consider the discounted cash flow analysis to be our primary evidence when determining whether credit related other-than-temporary impairment exists.

Results of a discounted cash flow test are significantly affected by other variables, such as the estimate of future cash flows, credit worthiness of the underlying banks and determination of probability of default of the underlying collateral. The following provides additional information for each of these variables:

• Estimate of Future Cash Flows – Cash flows are constructed in an INTEX cash flow model which includes each deal’s structural features. Projected cash flows include prepayment assumptions, which are dependent on the issuer's asset size and coupon rate. For collateral issued by financial institutions over $15 billion in asset size with a coupon over 7%, a 100% prepayment rate is assumed. Financial institutions over $15 billion with a coupon of 7% or under are assigned a prepayment rate of 40% for two years and 2% thereafter. Financial institutions with assets between $2 billion and $15 billion with coupons over 7% are assigned a 5% prepayment rate. For financial institutions below $2 billion, if the coupon is over 10%, a prepayment rate of 5% is assumed and for all other issuers, there is no prepayment assumption incorporated into the cash flows. The modeled cash flows are then used to estimate if all the scheduled principal and interest payments of our investments will be returned.

• Credit Analysis – A quarterly credit evaluation is performed for each of the 274 banks comprising the collateral across the various pooled trust preferred securities. Our credit evaluation considers all evidence available to us and includes the nature of the issuer’s business, its years of operating history, corporate structure, loan composition, loan concentrations, deposit mix, asset growth rates, geographic footprint and local economic environment. Our analysis focuses on profitability, return on assets, shareholders’ equity, net interest margin, credit quality ratios, operating efficiency, capital adequacy and liquidity.

• Probability of Default – A probability of default is determined for each bank and is used to calculate the expected impact of future deferrals and defaults on our expected cash flows. Each bank in the collateral pool is assigned a probability of default for each year until maturity. Currently, any bank that is in default is assigned a 100% probability of default and a 0% projected recovery rate. All other banks in the pool are assigned a probability of default based on their unique credit characteristics and market indicators with a 10% projected recovery rate. For the majority of banks currently in deferral we assume the bank continues to defer and will eventually default and, therefore, a 100% probability of default is assigned. However, for some deferring collateral there is the possibility that they will become current on interest or principal payments at some point in the future and in those cases a probability that the deferral will ultimately cure is assigned. The probability of default is updated quarterly. As of March 31, 2016, default probabilities for performing collateral ranged from 0.33% to 75%.

Our credit evaluation provides a basis for determining deferral and default probabilities for each underlying piece of collateral. Using the results of the credit evaluation, the next step of the process is to look at pricing of senior debt or credit default swaps for the issuer (or where such information is unavailable, for companies having similar credit profiles as the issuer). The pricing of these market indicators provides the information necessary to determine appropriate default probabilities for each bank.

In addition to the above factors, our evaluation of impairment also includes a stress test analysis which provides an estimate of excess subordination for each tranche. We stress the cash flows of each pool by increasing current default assumptions to the level of defaults that results in an adverse change in estimated cash flows. This stressed breakpoint is then used to calculate excess subordination levels for each pooled trust preferred security. The results of the stress test allow management to identify those pools that are at a greater risk for a future break in cash flows so that we can monitor banks in those pools more closely for potential deterioration of credit quality.

Our cash flow analysis as of March 31, 2016, indicates that no credit-related other-than-temporary impairment has occurred on our pooled trust preferred securities during the three months endedMarch 31, 2016. Based upon the analysis performed by management, it is probable that four of our pooled trust preferred securities will experience principal and interest shortfalls and therefore appropriate other-than-temporary charges were recorded in prior periods. These securities are identified in the table on page 15 with 0% “Excess Subordination as a Percentage of Current Performing Collateral.” For the remaining securities listed in that table, our analysis as of March 31, 2016 indicates it is probable that we will collect all contractual principal and interest payments. For four of those securities, PreTSL IX, PreTSL XIII, PreTSL XIV and MMCap I, other-than-temporary impairment charges were recorded in prior periods; however, due to improvement in the expected cash flows of these securities, it is now probable that all contractual payments will be received.

During 2008, 2009 and 2010, other-than-temporary impairment charges were recognized on all of our pooled trust preferred securities, except for PreTSL IV. Our cash flow analysis as of March 31, 2016, for all of these impaired securities indicates that it is now probable we will collect principal and interest in excess of what was estimated at the time other-than-temporary impairment charges were recorded. This change can be attributed to improvement in the underlying collateral for these securities and has resulted in the present value of estimated future principal and interest payments exceeding the securities' current book value. The excess for each bond of the present value of future cash flows over our current book value ranges from 20% to 129% and will be recognized as an adjustment to yield over the remaining life of these securities. The excess subordination recognized as an adjustment to yield is reflected in the following table as increases in cash flows expected to be collected.

The following table provides a cumulative roll forward of credit losses recognized in earnings for debt securities held and not intended to be sold:

	For the Three Months Ended March 31,
	2016			2015
	(dollars in thousands)
Balance, beginning (a)	$	24,851		$	26,246
Credit losses on debt securities for which other-than-temporary impairment was not previously recognized	—			—
Additional credit losses on debt securities for which other-than-temporary impairment was previously recognized	—			—
Increases in cash flows expected to be collected, recognized over the remaining life of the security (b)	(261		)	(321		)
Reduction for debt securities called during the period	—			(218		)
Balance, ending	$	24,590		$	25,707

(a) The beginning balance represents credit related losses included in other-than-temporary impairment charges recognized on debt securities in prior periods.

(b) Represents the increase in cash flows recognized in interest income during the period.

In the first three months of 2016 and 2015, no other-than-temporary impairment charges were recorded on equity securities. On a quarterly basis, management evaluates equity securities for other-than-temporary impairment by reviewing the severity and duration of decline in estimated fair value, research reports, analysts’ recommendations, credit rating changes, news stories, annual reports, regulatory filings, impact of interest rate changes and other relevant information. As of March 31, 2016 and 2015, there were no equity securities in an unrealized loss position.

Other Investments

As a member of the Federal Home Loan Bank ("FHLB"), First Commonwealth is required to purchase and hold stock in the FHLB to satisfy membership and borrowing requirements. The level of stock required to be held is dependent on the amount of First Commonwealth's mortgage-related assets and outstanding borrowings with the FHLB. This stock is restricted in that it can only be sold to the FHLB or to another member institution, and all sales of FHLB stock must be at par. As a result of these restrictions, FHLB stock is unlike other investment securities insofar as there is no trading market for FHLB stock and the transfer price is determined by FHLB membership rules and not by market participants. As of March 31, 2016 and December 31, 2015, our FHLB stock totaled $60.6 million and $63.0 million, respectively, and is included in “Other investments” on the Condensed Consolidated Statements of Financial Condition.

FHLB stock is held as a long-term investment and its value is determined based on the ultimate recoverability of the par value. First Commonwealth evaluates impairment quarterly and has concluded that the par value of its investment in FHLB stock will be recovered. Accordingly, no impairment charge was recorded on these securities during the three months ended March 31, 2016.

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Loans and Allowance for Credit Losses

3 Months Ended

Mar. 31, 2016

Loans and Leases Receivable Disclosure [Abstract]

Loans and Allowance for Credit Losses

Loans and Allowance for Credit Losses

The following table provides outstanding balances related to each of our loan types:

	March 31, 2016		December 31, 2015
	(dollars in thousands)
Commercial, financial, agricultural and other	$	1,190,384	$	1,150,906
Real estate construction	256,856		220,736
Residential real estate	1,212,962		1,224,465
Commercial real estate	1,552,904		1,479,000
Loans to individuals	585,649		608,643
Total loans	$	4,798,755	$	4,683,750

Credit Quality Information

As part of the on-going monitoring of credit quality within the loan portfolio, the following credit worthiness categories are used in grading our loans:

Pass Acceptable levels of risk exist in the relationship. Includes all loans not classified as OAEM, substandard or doubtful.

Other Assets Especially Mentioned (OAEM) Potential weaknesses that deserve management’s close attention. The potential weaknesses may result in deterioration of the repayment prospects or weaken the Company’s credit position at some future date. The credit risk may be relatively minor, yet constitute an undesirable risk in light of the circumstances surrounding the specific credit. No loss of principal or interest is expected.

Substandard Well-defined weakness or a weakness that jeopardizes the repayment of the debt. A loan may be classified as substandard as a result of deterioration of the borrower’s financial condition and repayment capacity. Loans for which repayment plans have not been met or collateral equity margins do not protect the Company may also be classified as substandard.

Doubtful Loans with the characteristics of substandard loans with the added characteristic that collection or liquidation in full, on the basis of presently existing facts and conditions, is highly improbable.

The use of creditworthiness categories to grade loans permits management’s use of migration analysis to estimate a portion of credit risk. The Company’s internal creditworthiness grading system provides a measurement of credit risk based primarily on an evaluation of the borrower’s cash flow and collateral. Movement between these rating categories provides a predictive measure of credit losses and therefore assists in determining the appropriate level for the loan loss reserves. Category ratings are reviewed each quarter, at which time management analyzes the results, as well as other external statistics and factors related to loan performance. Loans that migrate towards higher risk rating levels generally have an increased risk of default, whereas loans that migrate toward lower risk ratings generally will result in a lower risk factor being applied to those related loan balances.

The following tables represent our credit risk profile by creditworthiness:

	March 31, 2016
	Commercial, financial, agricultural and other		Real estate construction		Residential real estate		Commercial real estate		Loans to individuals		Total
	(dollars in thousands)
Pass	$	1,085,770	$	256,423	$	1,198,103	$	1,530,565	$	585,269	$	4,656,130
Non-Pass
OAEM	18,522		433		5,178		7,676		—		31,809
Substandard	86,092		—		9,681		14,663		380		110,816
Doubtful	—		—		—		—		—		—
Total Non-Pass	104,614		433		14,859		22,339		380		142,625
Total	$	1,190,384	$	256,856	$	1,212,962	$	1,552,904	$	585,649	$	4,798,755

	December 31, 2015
	Commercial, financial, agricultural and other		Real estate construction		Residential real estate		Commercial real estate		Loans to individuals		Total
	(dollars in thousands)
Pass	$	1,074,858	$	220,267	$	1,209,606	$	1,436,714	$	608,342	$	4,549,787
Non-Pass
OAEM	11,825		442		5,244		30,012		—		47,523
Substandard	64,223		27		9,615		12,274		301		86,440
Doubtful	—		—		—		—		—		—
Total Non-Pass	76,048		469		14,859		42,286		301		133,963
Total	$	1,150,906	$	220,736	$	1,224,465	$	1,479,000	$	608,643	$	4,683,750

Portfolio Risks

The credit quality of our loan portfolio can potentially represent significant risk to our earnings, capital, regulatory agency relationships, investment community reputation and shareholder returns. First Commonwealth devotes a substantial amount of resources managing this risk primarily through our credit administration department that develops and administers policies and procedures for underwriting, maintaining, monitoring and collecting activities. Credit administration is independent of lending departments and oversight is provided by the credit committee of the First Commonwealth Board of Directors.

Criticized loans have been evaluated when determining the appropriateness of the allowance for credit losses, which we believe is adequate to absorb losses inherent to the portfolio as of March 31, 2016. However, changes in economic conditions, interest rates, borrower financial condition, delinquency trends or previously established fair values of collateral factors could significantly change those judgmental estimates.

Age Analysis of Past Due Loans by Segment

The following tables delineate the aging analysis of the recorded investments in past due loans as of March 31, 2016 and December 31, 2015. Also included in these tables are loans that are 90 days or more past due and still accruing because they are well-secured and in the process of collection.

	March 31, 2016
	30 - 59 days past due		60 - 89 days past due		90 days and greater and still accruing		Nonaccrual		Total past due and nonaccrual		Current		Total
	(dollars in thousands)
Commercial, financial, agricultural and other	$	277	$	92	$	130	$	34,851	$	35,350	$	1,155,034	$	1,190,384
Real estate construction	—		—		86		—		86		256,770		256,856
Residential real estate	3,639		1,308		205		6,642		11,794		1,201,168		1,212,962
Commercial real estate	1,270		—		—		4,963		6,233		1,546,671		1,552,904
Loans to individuals	1,732		548		909		380		3,569		582,080		585,649
Total	$	6,918	$	1,948	$	1,330	$	46,836	$	57,032	$	4,741,723	$	4,798,755

	December 31, 2015
	30 - 59 days past due		60 - 89 days past due		90 days and greater and still accruing		Nonaccrual		Total past due and nonaccrual		Current		Total
	(dollars in thousands)
Commercial, financial, agricultural and other	$	364	$	49	$	129	$	23,653	$	24,195	$	1,126,711	$	1,150,906
Real estate construction	280		—		—		28		308		220,428		220,736
Residential real estate	4,175		1,055		1,315		6,500		13,045		1,211,420		1,224,465
Commercial real estate	781		—		65		6,223		7,069		1,471,931		1,479,000
Loans to individuals	2,998		774		946		301		5,019		603,624		608,643
Total	$	8,598	$	1,878	$	2,455	$	36,705	$	49,636	$	4,634,114	$	4,683,750

Nonaccrual Loans

The previous tables summarize nonaccrual loans by loan segment. The Company generally places loans on nonaccrual status when the full and timely collection of interest or principal becomes uncertain, when part of the principal balance has been charged off and no restructuring has occurred, or the loans reach a certain number of days past due. Generally, loans 90 days or more past due are placed on nonaccrual status, except for consumer loans, which are placed in nonaccrual status at 150 days past due.

When a loan is placed on nonaccrual, the accrued unpaid interest receivable is reversed against interest income and all future payments received are applied as a reduction to the loan principal. Generally, the loan is returned to accrual status when (a) all delinquent interest and principal becomes current under the terms of the loan agreement or (b) the loan is both well-secured and in the process of collection and collectability is no longer in doubt.

Impaired Loans

Management considers loans to be impaired when, based on current information and events, it is determined that the Company will not be able to collect all amounts due according to the loan contract, including scheduled interest payments. Determination of impairment is treated the same across all loan categories. When management identifies a loan as impaired, the impairment is measured based on the present value of expected future cash flows, discounted at the loan’s effective interest rate, except when the sole source for repayment of the loan is the operation or liquidation of collateral. When the loan is collateral dependent, the appraised value less estimated cost to sell is utilized. If management determines the value of the impaired loan is less than the recorded investment in the loan, impairment is recognized through an allowance estimate or a charge-off to the allowance. Troubled debt restructured loans on accrual status are also considered to be impaired loans.

When the ultimate collectability of the total principal of an impaired loan is in doubt and the loan is on nonaccrual status, all payments are applied to principal under the cost recovery method. When the ultimate collectability of the total principal of an impaired loan is not in doubt and the loan is on nonaccrual status, contractual interest is credited to interest income when received under the cash basis method.

Significant nonaccrual loans as of March 31, 2016, include the following:

• $11.5 million relationship of commercial industrial loans to a steel and aluminum servicing company. These loans were originated in 2011 and were placed in nonaccrual status during the first quarter of 2016. A valuation of the collateral was completed during the first quarter of 2016.

• $6.8 million relationship of commercial industrial loans to an oil and gas well services company. These loans were originated in 2014 and were placed in nonaccrual status during the fourth quarter of 2015. All collateral valuations were completed in June or November 2015 or March 2016.

• $3.8 million relationship of commercial industrial loans to a manufacturer of sporting goods. These loans were originated from 2012 to 2015 and were placed in nonaccrual status during the fourth quarter of 2015. All collateral valuations were completed in December 2015 or March 2016.

• $3.8 million relationship of commercial industrial loans to a local energy company. These loans were originated from 2008 to 2011 and were placed in nonaccrual status during the third quarter of 2013. Two of these loans were modified resulting in TDR classification: one loan totaling $1.3 million was modified in 2012, and the other loan totaling $2.5 million was modified in 2014. During the three months endedMarch 31, 2016, charge-offs of $1.1 million related to this relationship were recorded. A valuation of the collateral was updated during the first quarter of 2016.

• $3.7 million relationship of commercial industrial loans to an industrial manufacturer. These loans were originated in 2013 and were placed in nonaccrual status during the third quarter of 2015. A valuation of the collateral was completed during the fourth quarter of 2015.

The following tables include the recorded investment and unpaid principal balance for impaired loans with the associated allowance amount, if applicable, as of March 31, 2016 and December 31, 2015. Also presented are the average recorded investment in impaired loans and the related amount of interest recognized while the loan was considered impaired. Average balances are calculated using month-end balances of the loans for the period reported and are included in the table below based on their period-end allowance position.

	March 31, 2016						December 31, 2015
	Recorded investment		Unpaid principal balance		Related allowance		Recorded investment		Unpaid principal balance		Related allowance
	(dollars in thousands)
With no related allowance recorded:
Commercial, financial, agricultural and other	$	18,120	$	23,975			$	11,344	$	15,673
Real estate construction	—		—				28		117
Residential real estate	10,848		12,893				9,952		11,819
Commercial real estate	6,805		8,474				7,562		9,449
Loans to individuals	498		615				421		507
Subtotal	36,271		45,957				29,307		37,565
With an allowance recorded:
Commercial, financial, agricultural and other	24,526		24,701		12,900		20,132		22,590		6,952
Real estate construction	—		—		—		—		—		—
Residential real estate	496		728		75		461		672		51
Commercial real estate	522		525		420		944		1,008		42
Loans to individuals	—		—		—		—		—		—
Subtotal	25,544		25,954		13,395		21,537		24,270		7,045
Total	$	61,815	$	71,911	$	13,395	$	50,844	$	61,835	$	7,045

	For the Three Months Ended March 31,
	2016				2015
	Average recorded investment		Interest Income Recognized		Average recorded investment		Interest Income Recognized
	(dollars in thousands)
With no related allowance recorded:
Commercial, financial, agricultural and other	$	17,298	$	152	$	19,375	$	57
Real estate construction	17		44		239		—
Residential real estate	10,724		47		10,155		38
Commercial real estate	7,658		38		7,711		20
Loans to individuals	480		1		307		1
Subtotal	36,177		282		37,787		116
With an allowance recorded:
Commercial, financial, agricultural and other	17,027		28		10,917		28
Real estate construction	—		—		—		—
Residential real estate	497		—		901		3
Commercial real estate	529		5		1,323		1
Loans to individuals	—		—		—		—
Subtotal	18,053		33		13,141		32
Total	$	54,230	$	315	$	50,928	$	148

Unfunded commitments related to nonperforming loans were $2.5 million at March 31, 2016 and $0.1 million at December 31, 2015. After consideration of the requirements to draw and available collateral related to these commitments, a reserve of $43 thousand and $13 thousand was established for these off balance sheet exposures at March 31, 2016 and December 31, 2015, respectively.

Troubled debt restructured loans are those loans whose terms have been renegotiated to provide a reduction or deferral of principal or interest as a result of the financial difficulties experienced by the borrower, who could not obtain comparable terms from alternate financing sources.

The following table provides detail as to the total troubled debt restructured loans and total commitments outstanding on troubled debt restructured loans:

	March 31, 2016		December 31, 2015
	(dollars in thousands)
Troubled debt restructured loans
Accrual status	$	14,979	$	14,139
Nonaccrual status	13,366		12,360
Total	$	28,345	$	26,499
Commitments
Unused lines of credit	$	1,367	$	3,252

The following tables provide detail, including specific reserves and reasons for modification, related to loans identified as troubled debt restructurings:

	For the Three Months Ended March 31, 2016
		Type of Modification
	Number of Contracts	Extend Maturity		Modify Rate		Modify Payments		Total Pre-Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Specific Reserve
	(dollars in thousands)
Commercial, financial, agricultural and other	2	$	—	$	3,769	$	—	$	3,769	$	3,749	$	—
Residential real estate	8	—		114		874		988		910		—
Commercial real estate	3	65		—		133		198		169		—
Loans to individuals	3	—		18		5		23		16		—
Total	16	$	65	$	3,901	$	1,012	$	4,978	$	4,844	$	—

	For the Three Months Ended March 31, 2015
		Type of Modification
	Number of Contracts	Extend Maturity		Modify Rate		Modify Payments		Total Pre-Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Specific Reserve
	(dollars in thousands)
Commercial, financial, agricultural and other	1	$	1,498	$	—	$	—	$	1,498	$	1,476	$	—
Residential real estate	5	—		252		17		269		203		—
Commercial real estate	1	—		—		464		464		449		—
Loans to individuals	1	—		—		18		18		11		—
Total	8	$	1,498	$	252	$	499	$	2,249	$	2,139	$	—

The troubled debt restructurings included in the above tables are also included in the impaired loan tables provided earlier in this note. Loans defined as modified due to a change in rate may include loans that were modified for a change in rate as well as a reamortization of the principal and an extension of the maturity. For the three months endedMarch 31, 2016 and 2015, $3.9 million and $0.3 million, respectively, of total rate modifications represent loans with modifications to the rate as well as payment as a result of reamortization. For both 2016 and 2015 the changes in loan balances between the pre-modification balance and the post-modification balance are due to customer payments.

A troubled debt restructuring is considered to be in default when a restructured loan is 90 days or more past due. The following table provides information related to restructured loans that were considered to be in default during the three months endedMarch 31:

	2016			2015
	Number of Contracts	Recorded Investment		Number of Contracts	Recorded Investment
	(dollars in thousands)
Residential real estate	2	$	70	—	$	—
Total	2	$	70	—	$	—

The following tables provide detail related to the allowance for credit losses:

	For the Three Months Ended March 31, 2016
	Commercial, financial, agricultural and other			Real estate construction			Residential real estate			Commercial real estate			Loans to individuals			Total
	(dollars in thousands)
Allowance for credit losses:
Beginning Balance	$	31,035		$	887		$	2,606		$	11,924		$	4,360		$	50,812
Charge-offs	(1,392		)	—			(382		)	(265		)	(1,469		)	(3,508		)
Recoveries	134			223			118			756			161			1,392
Provision (credit)	11,944			(209		)	286			(6,932		)	1,437			6,526
Ending Balance	$	41,721		$	901		$	2,628		$	5,483		$	4,489		$	55,222
Ending balance: individually evaluated for impairment	$	12,900		$	—		$	75		$	420		$	—		$	13,395
Ending balance: collectively evaluated for impairment	28,821			901			2,553			5,063			4,489			41,827
Loans:
Ending balance	1,190,384			256,856			1,212,962			1,552,904			585,649			4,798,755
Ending balance: individually evaluated for impairment	42,016			—			6,246			5,934			—			54,196
Ending balance: collectively evaluated for impairment	1,148,368			256,856			1,206,716			1,546,970			585,649			4,744,559

	For the Three Months Ended March 31, 2015
	Commercial, financial, agricultural and other			Real estate construction			Residential real estate			Commercial real estate			Loans to individuals			Total
	(dollars in thousands)
Allowance for credit losses:
Beginning Balance	$	29,627		$	2,063		$	3,664		$	11,881		$	4,816		$	52,051
Charge-offs	(5,080		)	—			(566		)	(202		)	(1,261		)	(7,109		)
Recoveries	200			—			96			138			162			596
Provision (credit)	(341		)	(535		)	193			670			1,172			1,159
Ending Balance	$	24,406		$	1,528		$	3,387		$	12,487		$	4,889		$	46,697
Ending balance: individually evaluated for impairment	$	3,397		$	—		$	165		$	267		$	—		$	3,829
Ending balance: collectively evaluated for impairment	21,009			1,528			3,222			12,220			4,889			42,868
Loans:
Ending balance	1,066,788			107,882			1,210,511			1,400,276			652,144			4,437,601
Ending balance: individually evaluated for impairment	24,586			199			7,071			7,803			—			39,659
Ending balance: collectively evaluated for impairment	1,042,202			107,683			1,203,440			1,392,473			652,144			4,397,942

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Income Taxes

3 Months Ended

Mar. 31, 2016

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

At March 31, 2016 and December 31, 2015, First Commonwealth had no material unrecognized tax benefits or accrued interest and penalties. If applicable, First Commonwealth will record interest and penalties as a component of noninterest expense. Federal and state tax years 2012 through 2014 are open for examination as of March 31, 2016.

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Fair Values of Assets and Liabilities

3 Months Ended

Mar. 31, 2016

Fair Value Disclosures [Abstract]

Fair Values of Assets and Liabilities

Fair Values of Assets and Liabilities

FASB ASC Topic 820, “Fair Value Measurements and Disclosures,” requires disclosures for non-financial assets and non-financial liabilities, except for items that are recognized or disclosed at fair value in the financial statements on a recurring basis (at least annually). All non-financial assets are included either as a separate line item on the Condensed Consolidated Statements of Financial Condition or in the “Other assets” category of the Condensed Consolidated Statements of Financial Condition. Currently, First Commonwealth does not have any non-financial liabilities to disclose.

FASB ASC Topic 825, “Financial Instruments”, permits entities to irrevocably elect to measure select financial instruments and certain other items at fair value. The unrealized gains and losses are required to be included in earnings each reporting period for the items that fair value measurement is elected. First Commonwealth has elected not to measure any existing financial instruments at fair value under FASB ASC Topic 825; however, in the future we may elect to adopt this guidance for select financial instruments.

In accordance with FASB ASC Topic 820, First Commonwealth groups financial assets and financial liabilities measured at fair value in three levels based on the principal markets in which the assets and liabilities are transacted and the observability of the data points used to determine fair value. These levels are:

• Level 1 – Valuations for assets and liabilities traded in active exchange markets, such as the New York Stock Exchange (“NYSE”). Valuations are obtained from readily available pricing sources for market transactions involving identical assets or liabilities. Level 1 securities include equity holdings comprised of publicly traded bank stocks which were priced using quoted market prices.

• Level 2 – Valuations for assets and liabilities traded in less active dealer or broker markets. Valuations are obtained for identical or comparable assets or liabilities from alternative pricing sources with reasonable levels of price transparency. Level 2 includes Obligations of U.S. Government securities issued by Agencies and Sponsored Enterprises, Obligations of States and Political Subdivisions, corporate securities, FHLB stock, loans held for sale, interest rate derivatives (including interest rate caps, interest rate swaps and risk participation agreements), certain other real estate owned and certain impaired loans.

Level 2 investment securities are valued by a recognized third party pricing service using observable inputs. The model used by the pricing service varies by asset class and incorporates available market, trade and bid information as well as cash flow information when applicable. Because many fixed-income investment securities do not trade on a daily basis, the model uses available information such as benchmark yield curves, benchmarking of like investment securities, sector groupings and matrix pricing. The model will also use processes such as an option adjusted spread to assess the impact of interest rates and to develop prepayment estimates. Market inputs normally used in the pricing model include benchmark yields, reported trades, broker/dealer quotes, issuer spreads, two-sided markets, benchmark securities, bids, offers and reference data including market research publications.

Management validates the market values provided by the third party service by having another recognized pricing service price 100% of the securities on an annual basis and a random sample of securities each quarter, monthly monitoring of variances from prior period pricing and, on a monthly basis, evaluating pricing changes compared to expectations based on changes in the financial markets.

Other investments recorded in the Condensed Consolidated Statements of Financial Condition are comprised of FHLB stock whose estimated fair value is based on its par value. Additional information on FHLB stock is provided in Note 7, “Impairment of Investment Securities.”

Loans held for sale include residential mortgage loans originated for sale in the secondary mortgage market. The estimated fair value for these loans was determined on the basis of rates obtained in the respective secondary market.

Interest rate derivatives are reported at an estimated fair value utilizing Level 2 inputs and are included in other assets and other liabilities, and consist of interest rate swaps where there is no significant deterioration in the counterparties' (loan customers') credit risk since origination of the interest rate swap as well as interest rate caps and risk participation agreements. First Commonwealth values its interest rate swap and cap positions using a yield curve by taking market prices/rates for an appropriate set of instruments. The set of instruments currently used to determine the U.S. Dollar yield curve includes cash LIBOR rates from overnight to three months, Eurodollar futures contracts and swap rates from three years to thirty years. These yield curves determine the valuations of interest rate swaps. Interest rate derivatives are further described in Note 11, “Derivatives.”

For purposes of potential valuation adjustments to our derivative positions, First Commonwealth evaluates the credit risk of its counterparties as well as our own credit risk. Accordingly, we have considered factors such as the likelihood of default, expected loss given default, net exposures and remaining contractual life, among other things, in determining if any fair value adjustments related to credit risk are required. We review our counterparty exposure quarterly, and when necessary, appropriate adjustments are made to reflect the exposure.

We also utilize this approach to estimate our own credit risk on derivative liability positions. In 2016, we have not realized any losses due to a counterparty's inability to pay any uncollateralized positions.

The estimated fair value for other real estate owned included in Level 2 is determined by either an independent market-based appraisal less estimated costs to sell or an executed sales agreement.

• Level 3 – Valuations for assets and liabilities that are derived from other valuation methodologies, including option pricing models, discounted cash flow models and similar techniques, and not based on market exchange, dealer or broker traded transactions. If the inputs used to provide the valuation are unobservable and/or there is very little, if any, market activity for the security or similar securities, the securities would be considered Level 3 securities. Level 3 valuations incorporate certain assumptions and projections in determining the fair value assigned to such assets or liabilities. The assets included in Level 3 are pooled trust preferred collateralized debt obligations, non-marketable equity investments, certain interest rate derivatives, certain other real estate owned and certain impaired loans.

Our pooled trust preferred collateralized debt obligations are collateralized by the trust preferred securities of individual banks, thrifts and bank holding companies in the United States. There has been little or no active trading in these securities since 2009; therefore, it is more appropriate to determine estimated fair value using a discounted cash flow analysis. Detail on our process for determining the appropriate cash flows for this analysis is provided in Note 7, “Impairment of Investment Securities.” The discount rate applied to the cash flows is determined by evaluating the current market yields for comparable corporate and structured credit products along with an evaluation of the risks associated with the cash flows of the comparable security. Due to the fact that there is no active market for the pooled trust preferred collateralized debt obligations, one key reference point is the market yield for the single issue trust preferred securities issued by banks and thrifts for which there is more activity than for the pooled securities. Adjustments are then made to reflect the credit and structural differences between these two security types.

Management validates the fair value of the pooled trust preferred collateralized debt obligations by monitoring the performance of the underlying collateral, discussing the discount rate, cash flow assumptions and general market trends with a specialized third party and confirming changes in the underlying collateral to the trustee reports. Management’s monitoring of the underlying collateral includes deferrals of interest payments, payment defaults, cures of previously deferred interest payments, any regulatory filings or actions and general news related to the underlying collateral. Management also evaluates fair value changes compared to expectations based on changes in the interest rates used in determining the discount rate and general financial markets.

The estimated fair value of the non-marketable equity investments included in Level 3 is based on par value.

For interest rate derivatives included in Level 3, the fair value incorporates credit risk by considering such factors as likelihood of default and expected loss given default based on the credit quality of the underlying counterparties (loan customers).

In accordance with ASU 2011-4, the following table provides information related to quantitative inputs and assumptions used in Level 3 fair value measurements.

	Fair Value (dollars in thousands)			Valuation Technique	Unobservable Inputs	Range / (weighted average)
Pooled Trust Preferred Securities	$	33,273		Discounted Cash Flow	Probability of default	0% - 100% (12.19%)
					Prepayment rates	0% - 73.15% (5.14%)
					Discount rates	5.50% - 12.50% (a)
Equities	2,206			Par Value	N/A	N/A
Impaired Loans	2,437		(b)	Reserve study	Discount rate	10.00%
					Gas per MCF	$1.63 - $3.38 (c)
					Oil per BBL/d	$40.97 - $56.16 (c)
	8,285		(b)	Discounted Cash Flow	Discount Rate	1.9% - 5.58%
Other Real Estate Owned	8			Internal Valuation	N/A	N/A

(a) Incorporates spread over risk free rate related primarily to credit quality and illiquidity of securities.

(b) The remainder of impaired loans valued using Level 3 inputs are not included in this disclosure as the values of those loans are based on bankruptcy agreement documentation.

(c) Unobservable inputs are defined as follows: MCF - million cubic feet; BBL/d - barrels per day.

The significant unobservable inputs used in the fair value measurement of pooled trust preferred securities are the probability of default, discount rates and prepayment rates. Significant increases in the probability of default or discount rate used would result in a decrease in the estimated fair value of these securities, while decreases in these variables would result in higher fair value measurements. In general, a change in the assumption of probability of default is accompanied by a directionally similar change in the discount rate. In most cases, increases in the prepayment rate assumptions would result in a higher estimated fair value for these securities while decreases would provide for a lower value. The direction of this change is somewhat dependent on the structure of the investment and the amount of the investment tranches senior to our position.

The discount rate is the significant unobservable input used in the fair value measurement of impaired loans. Significant increases in this rate would result in a decrease in the estimated fair value of the loans, while a decrease in this rate would result in a higher fair value measurement. Other unobservable inputs in the fair value measurement of impaired loans relate to gas, oil and natural gas prices. Increases in these prices would result in an increase in the estimated fair value of the loans, while a decrease in these prices would result in a lower fair value measurement.

The tables below present the balances of assets and liabilities measured at fair value on a recurring basis:

	March 31, 2016
	Level 1		Level 2		Level 3		Total
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities - Residential	$	—	$	21,700	$	—	$	21,700
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities - Residential	—		779,625		—		779,625
Mortgage-Backed Securities - Commercial	—		23		—		23
Other Government-Sponsored Enterprises	—		19,203		—		19,203
Obligations of States and Political Subdivisions	—		27,832		—		27,832
Corporate Securities	—		6,336		—		6,336
Pooled Trust Preferred Collateralized Debt Obligations	—		—		33,273		33,273
Total Debt Securities	—		854,719		33,273		887,992
Equities	—		—		2,206		2,206
Total Securities Available for Sale	—		854,719		35,479		890,198
Other Investments	—		60,597		—		60,597
Loans held for sale	—		5,849		—		5,849
Other Assets(a)	—		18,907		—		18,907
Total Assets	$	—	$	940,072	$	35,479	$	975,551
Other Liabilities(a)	$	—	$	17,924	$	—	$	17,924
Total Liabilities	$	—	$	17,924	$	—	$	17,924

(a) Hedging and non-hedging interest rate derivatives

	December 31, 2015
	Level 1		Level 2		Level 3		Total
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities - Residential	$	—	$	22,092	$	—	$	22,092
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities - Residential	—		777,577		—		777,577
Mortgage-Backed Securities - Commercial	—		28		—		28
Other Government-Sponsored Enterprises	—		19,118		—		19,118
Obligations of States and Political Subdivisions	—		27,598		—		27,598
Corporate Securities	—		2,319		—		2,319
Pooled Trust Preferred Collateralized Debt Obligations	—		—		35,658		35,658
Total Debt Securities	—		848,732		35,658		884,390
Equities	—		—		2,170		2,170
Total Securities Available for Sale	—		848,732		37,828		886,560
Other Investments	—		62,952		—		62,952
Loans held for sale	—		5,763		—		5,763
Other Assets(a)	—		11,273		—		11,273
Total Assets	$	—	$	928,720	$	37,828	$	966,548
Other Liabilities(a)	$	—	$	10,829	$	—	$	10,829
Total Liabilities	$	—	$	10,829	$	—	$	10,829

(a) Hedging and non-hedging interest rate derivatives

For the three months endedMarch 31, changes in Level 3 assets and liabilities measured at fair value on a recurring basis are summarized as follows:

	2016
	Pooled Trust Preferred Collateralized Debt Obligations			Equities		Total
	(dollars in thousands)
Balance, beginning of period	$	35,658		$	2,170	$	37,828
Total gains or losses
Included in earnings	—			—		—
Included in other comprehensive income	(2,385		)	—		(2,385		)
Purchases, issuances, sales and settlements
Purchases	—			36		36
Issuances	—			—		—
Sales	—			—		—
Settlements	—			—		—
Transfers into Level 3	—			—		—
Balance, end of period	$	33,273		$	2,206	$	35,479

	2015
	Pooled Trust Preferred Collateralized Debt Obligations			Equities		Total
	(dollars in thousands)
Balance, beginning of period	$	28,999		$	1,420	$	30,419
Total gains or losses
Included in earnings	105			—		105
Included in other comprehensive income	2,620			—		2,620
Purchases, issuances, sales and settlements
Purchases	—			500		500
Issuances	—			—		—
Sales	—			—		—
Settlements	(590		)	—		(590		)
Transfers into Level 3	—			—		—
Balance, end of period	$	31,134		$	1,920	$	33,054

During the three months endedMarch 31, 2016 and 2015, there were no transfers between fair value Levels 1, 2 or 3. There were no gains or losses included in earnings for the periods presented that are attributable to the change in realized gains (losses) relating to assets held at March 31, 2016 and 2015.

The tables below present the balances of assets measured at fair value on a nonrecurring basis at:

	March 31, 2016
	Level 1		Level 2		Level 3		Total
	(dollars in thousands)
Impaired loans	$	—	$	29,911	$	18,509	$	48,420
Other real estate owned	—		9,852		8		9,860
Total Assets	$	—	$	39,763	$	18,517	$	58,280

	December 31, 2015
	Level 1		Level 2		Level 3		Total
	(dollars in thousands)
Impaired loans	$	—	$	30,979	$	12,820	$	43,799
Other real estate owned	—		10,039		8		10,047
Total Assets	$	—	$	41,018	$	12,828	$	53,846

The following losses were realized on the assets measured on a nonrecurring basis:

	For the Three Months Ended March 31,
	2016			2015
	(dollars in thousands)
Impaired loans	$	(7,702	)	$	(555	)
Other real estate owned	(13		)	(69		)
Total losses	$	(7,715	)	$	(624	)

Impaired loans over $100 thousand are individually reviewed to determine the amount of each loan considered to be at risk of non-collection. The fair value for impaired loans that are collateral based is determined by reviewing real property appraisals, equipment valuations, accounts receivable listings and other financial information. A discounted cash flow analysis is performed to determine fair value for impaired loans when an observable market price or a current appraisal is not available. For real estate secured loans, First Commonwealth’s loan policy requires updated appraisals be obtained at least every twelve months on all impaired loans with balances of $250 thousand and over. For real estate secured loans with balances under $250 thousand, we rely on broker price opinions. For non-real estate secured assets, the Company normally relies on third party valuations specific to the collateral type.

The fair value for other real estate owned, determined by either an independent market-based appraisal less estimated costs to sell or an executed sales agreement, is classified as Level 2. The fair value for other real estate owned determined using an internal valuation is classified as Level 3. Other real estate owned has a current carrying value of $8.6 million as of March 31, 2016 and consists primarily of commercial real estate properties in Pennsylvania. We review whether events and circumstances subsequent to a transfer to other real estate owned have occurred that indicate the balance of those assets may not be recoverable. If events and circumstances indicate further impairment we will record a charge to the extent that the carrying value of the assets exceed their fair values, less estimated cost to sell, as determined by valuation techniques appropriate in the circumstances.

Certain other assets and liabilities, including goodwill and core deposit intangibles, are measured at fair value on a nonrecurring basis; that is, the instruments are not measured at fair value on an ongoing basis but are subject to fair value adjustments only in certain circumstances. Additional information related to goodwill is provided in Note 12, “Goodwill.” There were no other assets or liabilities measured at fair value on a nonrecurring basis during the three months endedMarch 31, 2016.

FASB ASC 825-10, “Transition Related to FSP FAS 107-1” and APB 28-1, “Interim Disclosures about Fair Value of Financial Instruments,” requires disclosure of the fair value of financial assets and financial liabilities, including those financial assets and financial liabilities that are not measured and reported at fair value on a recurring basis or nonrecurring basis. The methodologies for estimating the fair value of financial assets and financial liabilities that are measured at fair value on a recurring or nonrecurring basis are as discussed above. The methodologies for other financial assets and financial liabilities are discussed below.

Cash and due from banks and interest-bearing bank deposits: The carrying amounts for cash and due from banks and interest-bearing bank deposits approximate the estimated fair values of such assets.

Securities: Fair values for securities available for sale and held to maturity are based on quoted market prices, if available. If quoted market prices are not available, fair values are based on quoted market prices of comparable instruments. Pooled trust preferred collateralized debt obligations values are derived from other valuation methodologies, including option pricing models, discounted cash flow models and similar techniques, and not based on market exchange, dealer or broker traded transactions. These valuations incorporate certain assumptions and projections in determining the fair value assigned to each instrument. The carrying value of other investments, which includes FHLB stock, is considered a reasonable estimate of fair value.

Loans: The fair values of all loans are estimated by discounting the estimated future cash flows using interest rates currently offered for loans with similar terms to borrowers of similar credit quality adjusted for past due and nonperforming loans, which is not an exit price under FASB ASC Topic 820, “Fair Value Measurements and Disclosures.”

Loans Held for Sale: The estimated fair value of loans held for sale is based on market bids obtained from potential buyers.

Off-balance sheet instruments: Many of First Commonwealth’s off-balance sheet instruments, primarily loan commitments and standby letters of credit, are expected to expire without being drawn upon; therefore, the commitment amounts do not necessarily represent future cash requirements. FASB ASC Topic 460, “Guarantees” clarified that a guarantor is required to recognize, at the inception of a guarantee, a liability for the fair value of the obligation undertaken in issuing the guarantee. The carrying amount and fair value for standby letters of credit was $0.1 million and $0.2 million at March 31, 2016 and December 31, 2015, respectively. See Note 5, “Commitments and Contingent Liabilities,” for additional information.

Deposit liabilities: The estimated fair value of demand deposits, savings accounts and money market deposits is the amount payable on demand at the reporting date because of the customers’ ability to withdraw funds immediately. The carrying value of variable rate time deposit accounts and certificates of deposit approximate their fair values at the report date. Also, fair values of fixed rate time deposits for both periods are estimated by discounting the future cash flows using interest rates currently being offered and a schedule of aggregated expected maturities.

Short-term borrowings: The fair values of borrowings from the FHLB were estimated based on the estimated incremental borrowing rate for similar types of borrowings. The carrying amounts of other short-term borrowings such as federal funds purchased and securities sold under agreement to repurchase were used to approximate fair value due to the short-term nature of the borrowings.

Long-term debt and subordinated debt: The fair value of long-term debt and subordinated debt is estimated by discounting the future cash flows using First Commonwealth’s estimate of the current market rate for similar types of borrowing arrangements or an announced redemption price.

The following table presents carrying amounts and fair values of First Commonwealth’s financial instruments:

	March 31, 2016
			Fair Value Measurements Using:
	Carrying Amount		Total		Level 1		Level 2		Level 3
	(dollars in thousands)
Financial assets
Cash and due from banks	$	62,141	$	62,141	$	62,141	$	—	$	—
Interest-bearing deposits	11,024		11,024		11,024		—		—
Securities available for sale	890,198		890,198		—		854,719		35,479
Securities held to maturity	396,444		400,964		—		400,964		—
Other investments	60,597		60,597		—		60,597		—
Loans held for sale	5,849		5,849		—		5,849		—
Loans	4,798,755		4,791,929		—		29,911		4,762,018
Financial liabilities
Deposits	4,301,655		4,303,085		—		4,303,085		—
Short-term borrowings	1,518,742		1,518,561		—		1,518,561		—
Subordinated debt	72,167		61,208		—		—		61,208
Long-term debt	9,175		9,999		—		9,999		—

	December 31, 2015
			Fair Value Measurements Using:
	Carrying Amount		Total		Level 1		Level 2		Level 3
	(dollars in thousands)
Financial assets
Cash and due from banks	$	66,644	$	66,644	$	66,644	$	—	$	—
Interest-bearing deposits	2,808		2,808		2,808		—		—
Securities available for sale	886,560		886,560		—		848,732		37,828
Other investments	62,952		62,952		—		62,952		—
Loans held for sale	5,763		5,763		—		5,763		—
Loans	4,683,750		4,690,852		—		30,979		4,659,873
Financial liabilities
Deposits	4,195,894		4,198,817		—		4,198,817		—
Short-term borrowings	1,510,825		1,510,718		—		1,510,718		—
Subordinated debt	72,167		62,794		—		—		62,794
Long-term debt	9,314		9,834		—		9,834		—

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Derivatives

3 Months Ended

Mar. 31, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives

Derivatives

Derivatives Not Designated as Hedging Instruments

First Commonwealth is a party to interest rate derivatives that are not designated as hedging instruments. These derivatives relate to interest rate swaps that First Commonwealth enters into with customers to allow customers to convert variable rate loans to a fixed rate. First Commonwealth pays interest to the customer at a floating rate on the notional amount and receives interest from the customer at a fixed rate for the same notional amount. At the same time the interest rate swap is entered into with the customer, an offsetting interest rate swap is entered into with another financial institution. First Commonwealth pays the other financial institution interest at the same fixed rate on the same notional amount as the swap entered into with the customer, and receives interest from the financial institution for the same floating rate on the same notional amount.

The changes in the fair value of the swaps offset each other, except for the credit risk of the counterparties, which is determined by taking into consideration the risk rating, probability of default and loss given default for all counterparties.

We have 17 risk participation agreements with financial institution counterparties for interest rate swaps related to loans in which we are a participant. The risk participation agreements provide credit protection to the financial institution should the borrower fail to perform on its interest rate derivative contract with the financial institution. We have four risk participation agreements with financial institution counterparties for interest rate swaps related to loans in which we are the lead bank. The risk participation agreement provides credit protection to us should the borrower fail to perform on its interest rate derivative contract with us.

First Commonwealth is also party to interest rate caps that are not designated as hedging instruments. These derivatives relate to contracts that First Commonwealth enters into with loan customers that provide a maximum interest rate on their variable rate loan. At the same time the interest rate cap is entered into with the customer, First Commonwealth enters into an offsetting interest rate cap with another financial institution. The notional amount and maximum interest rate on both interest cap contracts are identical.

The fee received, less the estimate of the loss for the credit exposure, was recognized in earnings at the time of the transaction.

Derivatives Designated as Hedging Instruments

The Company has entered into four interest rate swap contracts that were designated as cash flow hedges. The interest rate swaps have a total notional amount of $200.0 million, $85.0 million with an original maturity of three years and $115.0 million with and original maturity of four years. The Company's risk management objective for these hedges is to reduce its exposure to variability in expected future cash flows related to interest payments on commercial loans benchmarked to the 1-month LIBOR rate. Therefore, the interest rate swaps convert the interest payments on the first $200.0 million of 1-month LIBOR based commercial loans into fixed rate payments.

The periodic net settlement of interest rate swaps is recorded as an adjustment to "Interest and fees on loans" in the Condensed Consolidated Statements of Income. For the three months endedMarch 31, 2016, there was a $0.4 million impact on interest income as a result of these interest rate swaps. Changes in the fair value of the effective portion of cash flow hedges are reported in OCI. When the cash flows associated with the hedged item are realized, the gain or loss included in OCI is recognized in "Interest and fees on loans," the same line item in the Condensed Consolidated Statements of Income as the income on the hedged items. The cash flow hedges were highly effective at March 31, 2016, and December 31, 2015, and changes in the fair value attributed to hedge ineffectiveness were not material.

The following table depicts the credit value adjustment recorded related to the notional amount of derivatives outstanding as well as the notional amount of risk participation agreements participated to other banks:

	March 31, 2016			December 31, 2015
	(dollars in thousands)
Derivatives not Designated as Hedging Instruments
Credit value adjustment	$	(1,544	)	$	(542	)
Notional Amount:
Interest rate derivatives	303,212			276,860
Interest rate caps	21,981			22,793
Risk participation agreements	128,481			126,612
Sold credit protection on risk participation agreements	(20,267		)	(20,383		)
Derivatives Designated as Hedging Instruments
Fair value adjustment	2,657			922
Notional Amount - Interest rate derivatives	200,000			200,000

The table below presents the amount representing the change in the fair value of derivative assets and derivative liabilities attributable to credit risk included in "Other income" on the Condensed Consolidated Statements of Income:

	For the Three Months Ended March 31,
	2016			2015
	(dollars in thousands)
Non-hedging interest rate derivatives
Decrease in other income	$	(1,014	)	$	(230	)
Hedging interest rate derivatives
Increase in interest and fees on loans	430			381
Increase in other expense	15			9

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Goodwill

3 Months Ended

Mar. 31, 2016

Goodwill Disclosure [Abstract]

Goodwill

Goodwill

FASB ASC Topic 350-20, “Intangibles – Goodwill and Other” requires an annual valuation of the fair value of a reporting unit that has goodwill and a comparison of the fair value to the book value of equity to determine whether the goodwill has been impaired. Goodwill is also required to be tested on an interim basis if an event or circumstance indicates that it is more likely than not that an impairment loss has been incurred. When triggering events or circumstances indicate that goodwill testing is required, an assessment of qualitative factors can be completed before performing the two step goodwill impairment test. ASU 2011-8 provides that if an assessment of qualitative factors determines it is more likely than not that the fair value of a reporting unit exceeds its carrying amount, then the two step goodwill impairment test is not required.

We consider First Commonwealth to be one reporting unit. The carrying amount of goodwill as of March 31, 2016 and December 31, 2015 was $164.5 million. No impairment charges on goodwill or other intangible assets were incurred in 2016 or 2015.

We test goodwill for impairment as of November 30th each year and again at any quarter-end if any material events occur during a quarter that may affect goodwill.

As of March 31, 2016, goodwill was not considered impaired; however, changing economic conditions that may adversely affect our performance, the fair value of our assets and liabilities, or our stock price could result in impairment, which could adversely affect earnings in future periods. Management will continue to monitor events that could impact this conclusion in the future.

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New Accounting Pronouncements (Notes)

3 Months Ended

Mar. 31, 2016

Accounting Changes and Error Corrections [Abstract]

New Accounting Pronouncements

New Accounting Pronouncements

In August 2015, the FASB issued ASU No. 2015-14, “Revenue from Contracts with Customers (Topic 606).” In May 2014, the FASB issued ASU No. 2014-09, "Revenue from Contracts with Customers (Topic 606)," with an original effective date for annual reporting periods beginning after December 15, 2016. The core principle of ASU 2014-09 is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ASU 2015-14 deferred the effective date of ASU 2014-09 to annual periods and interim periods within those annual periods beginning after December 15, 2017. We are currently evaluating the potential impact of ASU 2015-14 on our financial statements.

In January 2016, the FASB issued ASU No. 2016-01, "Financial Instruments - Overall (Subtopic 825-10)," which addresses certain aspects of recognition, measurement, presentation and disclosure of financial instruments. This ASU addresses: 1. requiring equity investments to be measured at fair value, recognizing the changes in fair value through net income; 2. simplifying the impairment assessment of equity investments without readily determinable fair values by requiring a qualitative assessment to identify impairment; 3. eliminating the requirement to disclose the fair value of financial instruments measured at amortized cost for entities that are not public entities; 4. eliminating the requirement for public entities to disclose the methods and significant assumptions used to estimate the fair value of financial instruments measured at amortized cost; 5. requiring public entities to use the exit price notion when measuring the fair value of financial instruments; 6. requiring and entity to present separately in other comprehensive income the portion of the total change in the fair value of a liability resulting from a change in instrument-specific credit risk when the entity has elected to measure the liability at fair value in accordance with the fair value option for financial instruments; 7. requiring separate presentation of financial assets and financial liabilities by measurement category and form of financial asset on the balance sheet or in the accompanying notes to the financial statements; and 8. clarifying that an entity should evaluate the need for a valuation allowance on a deferred tax asset related to available-for-sale securities in combination with the entity's other deferred tax assets. This ASU is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2017 for public entities and for fiscal years beginning after December 15, 2018 for entities that are not public entities. The adoption of this ASU is not expected to have a material impact on First Commonwealth’s financial condition or results of operations.

In February 2016, the FASB issued ASU No. 2016-02, "Leases (Topic 842)," in order to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet and disclosing key information about leasing arrangements. Lessor accounting under the new guidance remains largely unchanged as it is substantially equivalent to existing guidance for sales-type leases, direct financing leases, and operating leases. Leveraged leases have been eliminated, although lessors can continue to account for existing leveraged leases using the current accounting guidance. Other limited changes were made to align lessor accounting with the lessee accounting model and the new revenue recognition standard. All entities will classify leases to determine how to recognize lease-related revenue and expense. Quantitative and qualitative disclosures will be required by lessees and lessors to meet the objective of enabling users of financial statements to assess the amount, timing, and uncertainty of cash flows arising from leases. The intention is to require enough information to supplement the amounts recorded in the financial statements so that users can understand more about the nature of an entity’s leasing activities. This ASU is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018. All entities are required to use a modified retrospective approach for leases that exist or are entered into after the beginning of the earliest comparative period in the financial statements. Entities have the option to use certain relief; full retrospective application is prohibited. Management has not yet evaluated the impact of the ASU on First Commonwealth's financial condition or results of operations and will be monitoring developments and additional guidance closely to determine the potential impact of the new standard.

In March 2016, FASB issued ASU No. 2016-05, "Derivatives and Hedging (Topic 815)," which clarifies that a change in the counterparty to a derivative instrument that has been designated as the hedging instrument under Topic 815 does not, in and of itself, require dedesignation of that hedging relationship provided that all other hedge accounting criteria continue to be met. This ASU is effective for public entities beginning after December 15, 2016, and interim periods within those fiscal years. The adoption of this ASU is not expected to have a material impact on First Commonwealth’s financial condition or results of operations.

In March 2016, FASB issued ASU No. 2016-09, “Compensation - Stock Compensation (Topic 718) - Improvements to Employee Share-Based Payment Accounting.” This update requires all income tax effects of awards to be recognized in the income statement when the awards vest or are settled. It also allows an employer to repurchase more of an employee’s shares than it can today for tax withholding purposes without triggering liability accounting and to make a policy election for forfeitures as they occur. The guidance is effective for public business entities for fiscal years beginning after December 15, 2016, and interim periods within those years. Early adoption is permitted. The adoption of this ASU is not expected to have a material impact on First Commonwealth’s financial condition or results of operations.

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Supplemental Comprehensive Income Disclosures (Tables)

3 Months Ended

Mar. 31, 2016

Supplemental Comprehensive Income Disclosures [Abstract]

Supplemental Comprehensive Income Disclosures

The following table identifies the related tax effects allocated to each component of other comprehensive income (“OCI”) in the Condensed Consolidated Statements of Comprehensive Income. Reclassification adjustments related to securities available for sale are included in the "Net securities gains" line and reclassification adjustments related to losses on derivatives are included in the "Other operating expenses" line in the Condensed Consolidated Statements of Income.

	For the Three Months Ended March 31,
	2016									2015
	Pretax Amount			Tax (Expense) Benefit			Net of Tax Amount			Pretax Amount			Tax (Expense) Benefit			Net of Tax Amount
	(dollars in thousands)
Unrealized gains on securities:
Unrealized holding gains on securities arising during the period	$	10,070		$	(3,524	)	$	6,546		$	9,980		$	(3,491	)	$	6,489
Reclassification adjustment for gains on securities included in net income	—			—			—			(105		)	37			(68		)
Total unrealized gains on securities	10,070			(3,524		)	6,546			9,875			(3,454		)	6,421
Unrealized gains on derivatives:
Unrealized holding gains on derivatives arising during the period	1,735			(607		)	1,128			1,195			(418		)	777
Reclassification adjustment for (gains) losses on derivatives included in net income	(15		)	5			(10		)	5			(2		)	3
Total unrealized gains on derivatives	1,720			(602		)	1,118			1,200			(420		)	780
Total other comprehensive income	$	11,790		$	(4,126	)	$	7,664		$	11,075		$	(3,874	)	$	7,201

Schedule of Accumulated Other Comprehensive Income (Loss)

The following table details the change in components of OCI for the three months endedMarch 31:

	2016											2015
	Securities Available for Sale			Post-Retirement Obligation		Derivatives			Accumulated Other Comprehensive Income			Securities Available for Sale			Post-Retirement Obligation		Derivatives		Accumulated Other Comprehensive Income
	(dollars in thousands)
Balance at December 31	$	(2,956	)	$	10	$	560		$	(2,386	)	$	(4,875	)	$	76	$	300	$	(4,499	)
Other comprehensive income before reclassification adjustment	6,546			—		1,128			7,674			6,489			—		777		7,266
Amounts reclassified from accumulated other comprehensive (loss) income	—			—		(10		)	(10		)	(68		)	—		3		(65		)
Net other comprehensive income during the period	6,546			—		1,118			7,664			6,421			—		780		7,201
Balance at March 31	$	3,590		$	10	$	1,678		$	5,278		$	1,546		$	76	$	1,080	$	2,702

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Supplemental Cash Flow Disclosures (Tables)

3 Months Ended

Mar. 31, 2016

Supplemental Cash Flow Information [Abstract]

Schedule of Supplemental Cash Flow Disclosures

The following table presents information related to cash paid during the period for interest, as well as detail on non-cash investing and financing activities for the three months endedMarch 31:

	2016		2015
	(dollars in thousands)
Cash paid during the period for:
Interest	$	4,674	$	4,004
Income taxes	1,000		1,500
Non-cash investing and financing activities:
Loans transferred to other real estate owned and repossessed assets	1,355		797
Loans transferred from held to maturity to held for sale	—		3,011
Gross increase in market value adjustment to securities available for sale	10,070		9,869
Gross increase in market value adjustment to derivatives	1,720		1,200
Investments committed to purchase, not settled	600		637
Unsettled treasury stock repurchases	—		453

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Earnings per Share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Composition of Weighted-Average Common Shares (Denominator) Used in Basic and Diluted Earnings Per Share

The following table summarizes the composition of the weighted-average common shares (denominator) used in the basic and diluted earnings per share computations:

	For the Three Months Ended March 31,
	2016		2015
Weighted average common shares issued	105,563,455		105,563,455
Average treasury stock shares	(16,623,094	)	(14,503,976	)
Average unearned nonvested shares	(100,273	)	(183,755	)
Weighted average common shares and common stock equivalents used to calculate basic earnings per share	88,840,088		90,875,724
Additional common stock equivalents (nonvested stock) used to calculate diluted earnings per share	5,113		13,311
Weighted average common shares and common stock equivalents used to calculate diluted earnings per share	88,845,201		90,889,035

Common Stock Equivalents Not Included in Computation of Diluted Earnings Per Share

The following table shows the number of shares and the price per share related to common stock equivalents that were not included in the computation of diluted earnings per share for the three months endedMarch 31 because to do so would have been antidilutive.

	2016			2015
		Price Range			Price Range
	Shares	From	To	Shares	From	To
Restricted Stock	88,508	7.21	9.84	118,390	7.35	9.26

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Commitments and Contingent Liabilities (Tables)

3 Months Ended

Mar. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Notional Amount of Outstanding Commitments

The following table identifies the notional amount of those instruments at:

	March 31, 2016		December 31, 2015
	(dollars in thousands)
Financial instruments whose contract amounts represent credit risk:
Commitments to extend credit	$	1,643,908	$	1,643,187
Financial standby letters of credit	17,805		17,843
Performance standby letters of credit	27,352		26,497
Commercial letters of credit	1,718		1,672

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Investment Securities (Tables)

3 Months Ended

Mar. 31, 2016

Schedule of Held-to-maturity Securities [Line Items]

Analysis of Amortized Cost and Estimated Fair Value of Securities Available for Sale

Below is an analysis of the amortized cost and estimated fair values of securities available for sale at:

	March 31, 2016									December 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities – Residential	$	19,380	$	2,320	$	—		$	21,700	$	20,034	$	2,071	$	(13	)	$	22,092
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities – Residential	768,405		12,917		(1,697		)	779,625		778,476		7,983		(8,882		)	777,577
Mortgage-Backed Securities – Commercial	23		—		—			23		28		—		—			28
Other Government-Sponsored Enterprises	19,201		7		(5		)	19,203		19,201		2		(85		)	19,118
Obligations of States and Political Subdivisions	27,068		764		—			27,832		27,066		532		—			27,598
Corporate Securities	5,896		440		—			6,336		1,897		422		—			2,319
Pooled Trust Preferred Collateralized Debt Obligations	42,500		476		(9,703		)	33,273		42,239		916		(7,497		)	35,658
Total Debt Securities	882,473		16,924		(11,405		)	887,992		888,941		11,926		(16,477		)	884,390
Equities	2,206		—		—			2,206		2,170		—		—			2,170
Total Securities Available for Sale	$	884,679	$	16,924	$	(11,405	)	$	890,198	$	891,111	$	11,926	$	(16,477	)	$	886,560

Amortized Cost and Estimated Fair Value of Debt Securities Available for Sale

The amortized cost and estimated fair value of debt securities available for sale at March 31, 2016, by contractual maturity, are shown below.

	Amortized Cost		Estimated Fair Value
	(dollars in thousands)
Due within 1 year	$	2,601	$	2,601
Due after 1 but within 5 years	20,596		20,640
Due after 5 but within 10 years	27,068		27,832
Due after 10 years	44,400		35,571
	94,665		86,644
Mortgage-Backed Securities (a)	787,808		801,348
Total Debt Securities	$	882,473	$	887,992

(a) Mortgage Backed Securities include an amortized cost of $19.4 million and a fair value of $21.7 million for Obligations of U.S.

Proceeds from Sale, Gross Gains (Losses) Realized on Sales, Maturities and Other-Than-Temporary Impairment Charges Related to Securities Available for Sale

Proceeds from sales, gross gains (losses) realized on sales, maturities and other-than-temporary impairment charges related to securities available for sale were as follows for the three months endedMarch 31:

	2016		2015
	(dollars in thousands)
Proceeds from sales	$	—	$	—
Gross gains (losses) realized:
Sales Transactions:
Gross gains	$	—	$	—
Gross losses	—		—
	—		—
Maturities and impairment
Gross gains	—		105
Gross losses	—		—
Other-than-temporary impairment	—		—
	—		105
Net gains and impairment	$	—	$	105

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Investment Securities Maturity of Held-to-Maturity Securities (Tables)

3 Months Ended

Mar. 31, 2016

Schedule of Held-to-maturity Securities [Line Items]

Held-to-maturity Securities [Table Text Block]

Below is an analysis of the amortized cost and fair values of debt securities held to maturity at:

	March 31, 2016									December 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities – Residential	$	4,743	$	99	$	—		$	4,842	$	4,775	$	—	$	(7	)	$	4,768
Mortgage-Backed Securities- Commercial	16,767		—		(3		)	16,764		16,843		—		(247		)	16,596
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities – Residential	325,974		3,526		—			329,500		315,609		30		(1,824		)	313,815
Mortgage-Backed Securities – Commercial	15,067		273		—			15,340		15,187		—		(178		)	15,009
Obligations of States and Political Subdivisions	33,893		627		(2		)	34,518		31,910		301		(58		)	32,153
Total Securities Held to Maturity	$	396,444	$	4,525	$	(5	)	$	400,964	$	384,324	$	331	$	(2,314	)	$	382,341

Schedule of Held-to-Maturity Securities by Maturity [Table Text Block]

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

	Amortized Cost		Estimated Fair Value
	(dollars in thousands)
Due within 1 year	$	—	$	—
Due after 1 but within 5 years	107		108
Due after 5 but within 10 years	27,839		28,412
Due after 10 years	5,947		5,998
	33,893		34,518
Mortgage-Backed Securities (a)	362,551		366,446
Total Debt Securities	$	396,444	$	400,964

(a) Mortgage Backed Securities include an amortized cost of $21.5 million and a fair value of $21.6 million for Obligations of U.S. Government agencies issued by Ginnie Mae and an amortized cost of $341.0 million and a fair value of $344.8 million for Obligations of U.S. Government-sponsored enterprises issued by Fannie Mae and Freddie Mac.

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Impairment of Investment Securities (Tables)

3 Months Ended

Mar. 31, 2016

Impairment of Investment Securities Disclosure [Abstract]

Schedule of Unrealized Losses and Estimated Fair Values

The following table presents the gross unrealized losses and estimated fair values at December 31, 2015 by investment category and time frame for which securities have been in a continuous unrealized loss position:

	Less Than 12 Months					12 Months or More					Total
	Estimated Fair Value		Gross Unrealized Losses			Estimated Fair Value		Gross Unrealized Losses			Estimated Fair Value		Gross Unrealized Losses
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities – Residential	$	6,798	$	(20	)	$	—	$	—		$	6,798	$	(20	)
Mortgage-Backed Securities - Commercial	16,596		(247		)	—		—			16,596		(247		)
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities – Residential	436,011		(3,293		)	263,119		(7,413		)	699,130		(10,706		)
Mortgage-Backed Securities – Commercial	15,009		(178		)	—		—			15,009		(178		)
Other Government-Sponsored Enterprises	12,316		(85		)	—		—			12,316		(85		)
Obligation of States and Political Subdivisions	7,208		(58		)	—		—			7,208		(58		)
Pooled Trust Preferred Collateralized Debt Obligations	—		—			29,957		(7,497		)	29,957		(7,497		)
Total Securities	$	493,938	$	(3,881	)	$	293,076	$	(14,910	)	$	787,014	$	(18,791	)

The following table presents the gross unrealized losses and estimated fair values at March 31, 2016 for both available for sale and held to maturity securities by investment category and time frame for which securities have been in a continuous unrealized loss position:

	Less Than 12 Months					12 Months or More					Total
	Estimated Fair Value		Gross Unrealized Losses			Estimated Fair Value		Gross Unrealized Losses			Estimated Fair Value		Gross Unrealized Losses
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities – Commercial	$	16,764	$	(3	)	$	—	$	—		$	16,764	$	(3	)
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities – Residential	26,650		(14		)	212,200		(1,683		)	238,850		(1,697		)
Other Government-Sponsored Enterprises	5,596		(5		)	—		—			5,596		(5		)
Obligations of States and Political Subdivisions	543		(2		)	—		—			543		(2		)
Pooled Trust Preferred Collateralized Debt Obligations	—		—			27,923		(9,703		)	27,923		(9,703		)
Total Securities	$	49,553	$	(24	)	$	240,123	$	(11,386	)	$	289,676	$	(11,410	)

Pooled Trust Preferred Collateralized Debt Obligations

The following table provides information related to our pooled trust preferred collateralized debt obligations as of March 31, 2016:

Deal	Class	Book Value		Estimated Fair Value		Unrealized Gain (Loss)			Moody’s/ Fitch Ratings	Number of Banks	Deferrals and Defaults as a % of Current Collateral		Excess Subordination as a % of Current Performing Collateral
(dollars in thousands)
Pre TSL IV	Mezzanine	$	1,830	$	1,291	$	(539	)	B1/BB	6	18.05	%	59.28	%
Pre TSL VII	Mezzanine	3,020		3,272		252			Ca/-	14	49.68		—
Pre TSL VIII	Mezzanine	2,020		1,705		(315		)	C/C	28	53.00		—
Pre TSL IX	Mezzanine	2,385		1,778		(607		)	B1/C	38	29.80		9.82
Pre TSL X	Mezzanine	1,644		1,779		135			Caa1/C	43	30.66		—
Pre TSL XII	Mezzanine	5,735		4,324		(1,411		)	B3/C	66	22.03		—
Pre TSL XIII	Mezzanine	12,767		9,856		(2,911		)	Ba3/C	56	12.11		42.17
Pre TSL XIV	Mezzanine	12,889		8,969		(3,920		)	B1/CC	56	19.72		49.72
MMCap I	Mezzanine	210		299		89			Ca/C	8	58.11		83.30
Total		$	42,500	$	33,273	$	(9,227	)

Cumulative Roll Forward of Credit Losses Recognized in Earnings for Debt Securities held and not Intended to be Sold

The following table provides a cumulative roll forward of credit losses recognized in earnings for debt securities held and not intended to be sold:

	For the Three Months Ended March 31,
	2016			2015
	(dollars in thousands)
Balance, beginning (a)	$	24,851		$	26,246
Credit losses on debt securities for which other-than-temporary impairment was not previously recognized	—			—
Additional credit losses on debt securities for which other-than-temporary impairment was previously recognized	—			—
Increases in cash flows expected to be collected, recognized over the remaining life of the security (b)	(261		)	(321		)
Reduction for debt securities called during the period	—			(218		)
Balance, ending	$	24,590		$	25,707

(a) The beginning balance represents credit related losses included in other-than-temporary impairment charges recognized on debt securities in prior periods.

(b) Represents the increase in cash flows recognized in interest income during the period.

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Loans and Allowance for Credit Losses (Tables)

3 Months Ended

Mar. 31, 2016

Troubled Debt Restructuring Subsequent Default [Line Items]

Troubled Debt Restructuring Subsequent Default [Table Text Block]

A troubled debt restructuring is considered to be in default when a restructured loan is 90 days or more past due. The following table provides information related to restructured loans that were considered to be in default during the three months endedMarch 31:

	2016			2015
	Number of Contracts	Recorded Investment		Number of Contracts	Recorded Investment
	(dollars in thousands)
Residential real estate	2	$	70	—	$	—
Total	2	$	70	—	$	—

Outstanding Balances of Loan

The following table provides outstanding balances related to each of our loan types:

	March 31, 2016		December 31, 2015
	(dollars in thousands)
Commercial, financial, agricultural and other	$	1,190,384	$	1,150,906
Real estate construction	256,856		220,736
Residential real estate	1,212,962		1,224,465
Commercial real estate	1,552,904		1,479,000
Loans to individuals	585,649		608,643
Total loans	$	4,798,755	$	4,683,750

Credit Risk Profile by Creditworthiness

The following tables represent our credit risk profile by creditworthiness:

	March 31, 2016
	Commercial, financial, agricultural and other		Real estate construction		Residential real estate		Commercial real estate		Loans to individuals		Total
	(dollars in thousands)
Pass	$	1,085,770	$	256,423	$	1,198,103	$	1,530,565	$	585,269	$	4,656,130
Non-Pass
OAEM	18,522		433		5,178		7,676		—		31,809
Substandard	86,092		—		9,681		14,663		380		110,816
Doubtful	—		—		—		—		—		—
Total Non-Pass	104,614		433		14,859		22,339		380		142,625
Total	$	1,190,384	$	256,856	$	1,212,962	$	1,552,904	$	585,649	$	4,798,755

	December 31, 2015
	Commercial, financial, agricultural and other		Real estate construction		Residential real estate		Commercial real estate		Loans to individuals		Total
	(dollars in thousands)
Pass	$	1,074,858	$	220,267	$	1,209,606	$	1,436,714	$	608,342	$	4,549,787
Non-Pass
OAEM	11,825		442		5,244		30,012		—		47,523
Substandard	64,223		27		9,615		12,274		301		86,440
Doubtful	—		—		—		—		—		—
Total Non-Pass	76,048		469		14,859		42,286		301		133,963
Total	$	1,150,906	$	220,736	$	1,224,465	$	1,479,000	$	608,643	$	4,683,750

Age Analysis of Past Due Loans by Segment

The following tables delineate the aging analysis of the recorded investments in past due loans as of March 31, 2016 and December 31, 2015. Also included in these tables are loans that are 90 days or more past due and still accruing because they are well-secured and in the process of collection.

	March 31, 2016
	30 - 59 days past due		60 - 89 days past due		90 days and greater and still accruing		Nonaccrual		Total past due and nonaccrual		Current		Total
	(dollars in thousands)
Commercial, financial, agricultural and other	$	277	$	92	$	130	$	34,851	$	35,350	$	1,155,034	$	1,190,384
Real estate construction	—		—		86		—		86		256,770		256,856
Residential real estate	3,639		1,308		205		6,642		11,794		1,201,168		1,212,962
Commercial real estate	1,270		—		—		4,963		6,233		1,546,671		1,552,904
Loans to individuals	1,732		548		909		380		3,569		582,080		585,649
Total	$	6,918	$	1,948	$	1,330	$	46,836	$	57,032	$	4,741,723	$	4,798,755

	December 31, 2015
	30 - 59 days past due		60 - 89 days past due		90 days and greater and still accruing		Nonaccrual		Total past due and nonaccrual		Current		Total
	(dollars in thousands)
Commercial, financial, agricultural and other	$	364	$	49	$	129	$	23,653	$	24,195	$	1,126,711	$	1,150,906
Real estate construction	280		—		—		28		308		220,428		220,736
Residential real estate	4,175		1,055		1,315		6,500		13,045		1,211,420		1,224,465
Commercial real estate	781		—		65		6,223		7,069		1,471,931		1,479,000
Loans to individuals	2,998		774		946		301		5,019		603,624		608,643
Total	$	8,598	$	1,878	$	2,455	$	36,705	$	49,636	$	4,634,114	$	4,683,750

Recorded Investment and Unpaid Principal Balance for Impaired Loans with Associated Allowance

The following tables include the recorded investment and unpaid principal balance for impaired loans with the associated allowance amount, if applicable, as of March 31, 2016 and December 31, 2015. Also presented are the average recorded investment in impaired loans and the related amount of interest recognized while the loan was considered impaired. Average balances are calculated using month-end balances of the loans for the period reported and are included in the table below based on their period-end allowance position.

	March 31, 2016						December 31, 2015
	Recorded investment		Unpaid principal balance		Related allowance		Recorded investment		Unpaid principal balance		Related allowance
	(dollars in thousands)
With no related allowance recorded:
Commercial, financial, agricultural and other	$	18,120	$	23,975			$	11,344	$	15,673
Real estate construction	—		—				28		117
Residential real estate	10,848		12,893				9,952		11,819
Commercial real estate	6,805		8,474				7,562		9,449
Loans to individuals	498		615				421		507
Subtotal	36,271		45,957				29,307		37,565
With an allowance recorded:
Commercial, financial, agricultural and other	24,526		24,701		12,900		20,132		22,590		6,952
Real estate construction	—		—		—		—		—		—
Residential real estate	496		728		75		461		672		51
Commercial real estate	522		525		420		944		1,008		42
Loans to individuals	—		—		—		—		—		—
Subtotal	25,544		25,954		13,395		21,537		24,270		7,045
Total	$	61,815	$	71,911	$	13,395	$	50,844	$	61,835	$	7,045

	For the Three Months Ended March 31,
	2016				2015
	Average recorded investment		Interest Income Recognized		Average recorded investment		Interest Income Recognized
	(dollars in thousands)
With no related allowance recorded:
Commercial, financial, agricultural and other	$	17,298	$	152	$	19,375	$	57
Real estate construction	17		44		239		—
Residential real estate	10,724		47		10,155		38
Commercial real estate	7,658		38		7,711		20
Loans to individuals	480		1		307		1
Subtotal	36,177		282		37,787		116
With an allowance recorded:
Commercial, financial, agricultural and other	17,027		28		10,917		28
Real estate construction	—		—		—		—
Residential real estate	497		—		901		3
Commercial real estate	529		5		1,323		1
Loans to individuals	—		—		—		—
Subtotal	18,053		33		13,141		32
Total	$	54,230	$	315	$	50,928	$	148

Troubled Debt Restructured Loans and Commitments

The following table provides detail as to the total troubled debt restructured loans and total commitments outstanding on troubled debt restructured loans:

	March 31, 2016		December 31, 2015
	(dollars in thousands)
Troubled debt restructured loans
Accrual status	$	14,979	$	14,139
Nonaccrual status	13,366		12,360
Total	$	28,345	$	26,499
Commitments
Unused lines of credit	$	1,367	$	3,252

The following tables provide detail, including specific reserves and reasons for modification, related to loans identified as troubled debt restructurings:

	For the Three Months Ended March 31, 2016
		Type of Modification
	Number of Contracts	Extend Maturity		Modify Rate		Modify Payments		Total Pre-Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Specific Reserve
	(dollars in thousands)
Commercial, financial, agricultural and other	2	$	—	$	3,769	$	—	$	3,769	$	3,749	$	—
Residential real estate	8	—		114		874		988		910		—
Commercial real estate	3	65		—		133		198		169		—
Loans to individuals	3	—		18		5		23		16		—
Total	16	$	65	$	3,901	$	1,012	$	4,978	$	4,844	$	—

	For the Three Months Ended March 31, 2015
		Type of Modification
	Number of Contracts	Extend Maturity		Modify Rate		Modify Payments		Total Pre-Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Specific Reserve
	(dollars in thousands)
Commercial, financial, agricultural and other	1	$	1,498	$	—	$	—	$	1,498	$	1,476	$	—
Residential real estate	5	—		252		17		269		203		—
Commercial real estate	1	—		—		464		464		449		—
Loans to individuals	1	—		—		18		18		11		—
Total	8	$	1,498	$	252	$	499	$	2,249	$	2,139	$	—

Allowance for Credit Losses

he following tables provide detail related to the allowance for credit losses:

	For the Three Months Ended March 31, 2016
	Commercial, financial, agricultural and other			Real estate construction			Residential real estate			Commercial real estate			Loans to individuals			Total
	(dollars in thousands)
Allowance for credit losses:
Beginning Balance	$	31,035		$	887		$	2,606		$	11,924		$	4,360		$	50,812
Charge-offs	(1,392		)	—			(382		)	(265		)	(1,469		)	(3,508		)
Recoveries	134			223			118			756			161			1,392
Provision (credit)	11,944			(209		)	286			(6,932		)	1,437			6,526
Ending Balance	$	41,721		$	901		$	2,628		$	5,483		$	4,489		$	55,222
Ending balance: individually evaluated for impairment	$	12,900		$	—		$	75		$	420		$	—		$	13,395
Ending balance: collectively evaluated for impairment	28,821			901			2,553			5,063			4,489			41,827
Loans:
Ending balance	1,190,384			256,856			1,212,962			1,552,904			585,649			4,798,755
Ending balance: individually evaluated for impairment	42,016			—			6,246			5,934			—			54,196
Ending balance: collectively evaluated for impairment	1,148,368			256,856			1,206,716			1,546,970			585,649			4,744,559

	For the Three Months Ended March 31, 2015
	Commercial, financial, agricultural and other			Real estate construction			Residential real estate			Commercial real estate			Loans to individuals			Total
	(dollars in thousands)
Allowance for credit losses:
Beginning Balance	$	29,627		$	2,063		$	3,664		$	11,881		$	4,816		$	52,051
Charge-offs	(5,080		)	—			(566		)	(202		)	(1,261		)	(7,109		)
Recoveries	200			—			96			138			162			596
Provision (credit)	(341		)	(535		)	193			670			1,172			1,159
Ending Balance	$	24,406		$	1,528		$	3,387		$	12,487		$	4,889		$	46,697
Ending balance: individually evaluated for impairment	$	3,397		$	—		$	165		$	267		$	—		$	3,829
Ending balance: collectively evaluated for impairment	21,009			1,528			3,222			12,220			4,889			42,868
Loans:
Ending balance	1,066,788			107,882			1,210,511			1,400,276			652,144			4,437,601
Ending balance: individually evaluated for impairment	24,586			199			7,071			7,803			—			39,659
Ending balance: collectively evaluated for impairment	1,042,202			107,683			1,203,440			1,392,473			652,144			4,397,942

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Fair Values of Assets and Liabilities (Tables)

3 Months Ended

Mar. 31, 2016

Fair Value Disclosures [Abstract]

Fair Value Inputs, Assets, Quantitative Information

In accordance with ASU 2011-4, the following table provides information related to quantitative inputs and assumptions used in Level 3 fair value measurements.

	Fair Value (dollars in thousands)			Valuation Technique	Unobservable Inputs	Range / (weighted average)
Pooled Trust Preferred Securities	$	33,273		Discounted Cash Flow	Probability of default	0% - 100% (12.19%)
					Prepayment rates	0% - 73.15% (5.14%)
					Discount rates	5.50% - 12.50% (a)
Equities	2,206			Par Value	N/A	N/A
Impaired Loans	2,437		(b)	Reserve study	Discount rate	10.00%
					Gas per MCF	$1.63 - $3.38 (c)
					Oil per BBL/d	$40.97 - $56.16 (c)
	8,285		(b)	Discounted Cash Flow	Discount Rate	1.9% - 5.58%
Other Real Estate Owned	8			Internal Valuation	N/A	N/A

(a) Incorporates spread over risk free rate related primarily to credit quality and illiquidity of securities.

(b) The remainder of impaired loans valued using Level 3 inputs are not included in this disclosure as the values of those loans are based on bankruptcy agreement documentation.

(c) Unobservable inputs are defined as follows: MCF - million cubic feet; BBL/d - barrels per day.

Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis

The tables below present the balances of assets and liabilities measured at fair value on a recurring basis:

	March 31, 2016
	Level 1		Level 2		Level 3		Total
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities - Residential	$	—	$	21,700	$	—	$	21,700
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities - Residential	—		779,625		—		779,625
Mortgage-Backed Securities - Commercial	—		23		—		23
Other Government-Sponsored Enterprises	—		19,203		—		19,203
Obligations of States and Political Subdivisions	—		27,832		—		27,832
Corporate Securities	—		6,336		—		6,336
Pooled Trust Preferred Collateralized Debt Obligations	—		—		33,273		33,273
Total Debt Securities	—		854,719		33,273		887,992
Equities	—		—		2,206		2,206
Total Securities Available for Sale	—		854,719		35,479		890,198
Other Investments	—		60,597		—		60,597
Loans held for sale	—		5,849		—		5,849
Other Assets(a)	—		18,907		—		18,907
Total Assets	$	—	$	940,072	$	35,479	$	975,551
Other Liabilities(a)	$	—	$	17,924	$	—	$	17,924
Total Liabilities	$	—	$	17,924	$	—	$	17,924

(a) Hedging and non-hedging interest rate derivatives

	December 31, 2015
	Level 1		Level 2		Level 3		Total
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities - Residential	$	—	$	22,092	$	—	$	22,092
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities - Residential	—		777,577		—		777,577
Mortgage-Backed Securities - Commercial	—		28		—		28
Other Government-Sponsored Enterprises	—		19,118		—		19,118
Obligations of States and Political Subdivisions	—		27,598		—		27,598
Corporate Securities	—		2,319		—		2,319
Pooled Trust Preferred Collateralized Debt Obligations	—		—		35,658		35,658
Total Debt Securities	—		848,732		35,658		884,390
Equities	—		—		2,170		2,170
Total Securities Available for Sale	—		848,732		37,828		886,560
Other Investments	—		62,952		—		62,952
Loans held for sale	—		5,763		—		5,763
Other Assets(a)	—		11,273		—		11,273
Total Assets	$	—	$	928,720	$	37,828	$	966,548
Other Liabilities(a)	$	—	$	10,829	$	—	$	10,829
Total Liabilities	$	—	$	10,829	$	—	$	10,829

(a) Hedging and non-hedging interest rate derivatives

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation

For the three months endedMarch 31, changes in Level 3 assets and liabilities measured at fair value on a recurring basis are summarized as follows:

	2016
	Pooled Trust Preferred Collateralized Debt Obligations			Equities		Total
	(dollars in thousands)
Balance, beginning of period	$	35,658		$	2,170	$	37,828
Total gains or losses
Included in earnings	—			—		—
Included in other comprehensive income	(2,385		)	—		(2,385		)
Purchases, issuances, sales and settlements
Purchases	—			36		36
Issuances	—			—		—
Sales	—			—		—
Settlements	—			—		—
Transfers into Level 3	—			—		—
Balance, end of period	$	33,273		$	2,206	$	35,479

	2015
	Pooled Trust Preferred Collateralized Debt Obligations			Equities		Total
	(dollars in thousands)
Balance, beginning of period	$	28,999		$	1,420	$	30,419
Total gains or losses
Included in earnings	105			—		105
Included in other comprehensive income	2,620			—		2,620
Purchases, issuances, sales and settlements
Purchases	—			500		500
Issuances	—			—		—
Sales	—			—		—
Settlements	(590		)	—		(590		)
Transfers into Level 3	—			—		—
Balance, end of period	$	31,134		$	1,920	$	33,054

Schedule of Assets Measured on Non-Recurring Basis

The tables below present the balances of assets measured at fair value on a nonrecurring basis at:

	March 31, 2016
	Level 1		Level 2		Level 3		Total
	(dollars in thousands)
Impaired loans	$	—	$	29,911	$	18,509	$	48,420
Other real estate owned	—		9,852		8		9,860
Total Assets	$	—	$	39,763	$	18,517	$	58,280

	December 31, 2015
	Level 1		Level 2		Level 3		Total
	(dollars in thousands)
Impaired loans	$	—	$	30,979	$	12,820	$	43,799
Other real estate owned	—		10,039		8		10,047
Total Assets	$	—	$	41,018	$	12,828	$	53,846

Losses Realized on Assets Measured on Non-Recurring Basis

The following losses were realized on the assets measured on a nonrecurring basis:

	For the Three Months Ended March 31,
	2016			2015
	(dollars in thousands)
Impaired loans	$	(7,702	)	$	(555	)
Other real estate owned	(13		)	(69		)
Total losses	$	(7,715	)	$	(624	)

Carrying Amounts and Fair Values of Financial Instruments

The following table presents carrying amounts and fair values of First Commonwealth’s financial instruments:

	March 31, 2016
			Fair Value Measurements Using:
	Carrying Amount		Total		Level 1		Level 2		Level 3
	(dollars in thousands)
Financial assets
Cash and due from banks	$	62,141	$	62,141	$	62,141	$	—	$	—
Interest-bearing deposits	11,024		11,024		11,024		—		—
Securities available for sale	890,198		890,198		—		854,719		35,479
Securities held to maturity	396,444		400,964		—		400,964		—
Other investments	60,597		60,597		—		60,597		—
Loans held for sale	5,849		5,849		—		5,849		—
Loans	4,798,755		4,791,929		—		29,911		4,762,018
Financial liabilities
Deposits	4,301,655		4,303,085		—		4,303,085		—
Short-term borrowings	1,518,742		1,518,561		—		1,518,561		—
Subordinated debt	72,167		61,208		—		—		61,208
Long-term debt	9,175		9,999		—		9,999		—

	December 31, 2015
			Fair Value Measurements Using:
	Carrying Amount		Total		Level 1		Level 2		Level 3
	(dollars in thousands)
Financial assets
Cash and due from banks	$	66,644	$	66,644	$	66,644	$	—	$	—
Interest-bearing deposits	2,808		2,808		2,808		—		—
Securities available for sale	886,560		886,560		—		848,732		37,828
Other investments	62,952		62,952		—		62,952		—
Loans held for sale	5,763		5,763		—		5,763		—
Loans	4,683,750		4,690,852		—		30,979		4,659,873
Financial liabilities
Deposits	4,195,894		4,198,817		—		4,198,817		—
Short-term borrowings	1,510,825		1,510,718		—		1,510,718		—
Subordinated debt	72,167		62,794		—		—		62,794
Long-term debt	9,314		9,834		—		9,834		—

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Derivatives (Tables)

3 Months Ended

Mar. 31, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Credit Value Adjustment Recorded Related to Notional Amount Of Derivatives Outstanding

The following table depicts the credit value adjustment recorded related to the notional amount of derivatives outstanding as well as the notional amount of risk participation agreements participated to other banks:

	March 31, 2016			December 31, 2015
	(dollars in thousands)
Derivatives not Designated as Hedging Instruments
Credit value adjustment	$	(1,544	)	$	(542	)
Notional Amount:
Interest rate derivatives	303,212			276,860
Interest rate caps	21,981			22,793
Risk participation agreements	128,481			126,612
Sold credit protection on risk participation agreements	(20,267		)	(20,383		)
Derivatives Designated as Hedging Instruments
Fair value adjustment	2,657			922
Notional Amount - Interest rate derivatives	200,000			200,000

Schedule of Changes in Fair Value of Derivative Assets and Liabilities

The table below presents the amount representing the change in the fair value of derivative assets and derivative liabilities attributable to credit risk included in "Other income" on the Condensed Consolidated Statements of Income:

	For the Three Months Ended March 31,
	2016			2015
	(dollars in thousands)
Non-hedging interest rate derivatives
Decrease in other income	$	(1,014	)	$	(230	)
Hedging interest rate derivatives
Increase in interest and fees on loans	430			381
Increase in other expense	15			9

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Supplemental Comprehensive Income Disclosures (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Supplemental Comprehensive Income Disclosures [Abstract]
Unrealized holding gains on securities arising during the period	$ 10,070	$ 9,980
Reclassification adjustment for gains on securities included in net income	0	(105)
Total unrealized gains on securities	10,070	9,875
Unrealized holding gains on derivatives arising during the period	1,735	1,195
Unrealized holding gains on securities arising during the period	(3,524)	(3,491)
Reclassification adjustment for gains on derivatives included in net income, before Tax	(15)	5
Total unrealized gain on derivatives	1,720	1,200
Reclassification adjustment for gains on securities included in net income	0	37
Total other comprehensive (loss) income	11,790	11,075
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax	(3,524)	(3,454)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	(607)	(418)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax	5	(2)
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax, Total	(602)	(420)
Other Comprehensive Income (Loss), Tax	(4,126)	(3,874)
Other comprehensive income (loss) before reclassification adjustment	6,546	6,489
Total unrealized (losses) gains on securities	6,546	6,421
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	1,128	777
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	10	(3)
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Total	1,118	780
Total other comprehensive (loss) income	7,664	7,201
Reclassification adjustment for gains on securities included in net income	$ 0	$ 68

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Supplemental Comprehensive Income Disclosures (Details 2) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Beginning Balance	$ (2,386)	$ (4,499)
Other comprehensive income (loss) before reclassification adjustment	6,546	6,489
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	1,128	777
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	7,674	7,266
Amounts reclassified from accumulated other comprehensive income (loss)	(10)	(65)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	10	(3)
Total other comprehensive (loss) income	7,664	7,201
Accumulated Other Comprehensive Income (Loss), Ending Balance	5,278	2,702
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Beginning Balance	(2,956)	(4,875)
Other comprehensive income (loss) before reclassification adjustment	6,546	6,489
Amounts reclassified from accumulated other comprehensive income (loss)	0	(68)
Total other comprehensive (loss) income	6,546	6,421
Accumulated Other Comprehensive Income (Loss), Ending Balance	3,590	1,546
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Beginning Balance	10	76
Other comprehensive income (loss) before reclassification adjustment	0	0
Amounts reclassified from accumulated other comprehensive income (loss)	0	0
Total other comprehensive (loss) income	0	0
Accumulated Other Comprehensive Income (Loss), Ending Balance	10	76
Derivative [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Beginning Balance	560	300
Total other comprehensive (loss) income	1,118	780
Accumulated Other Comprehensive Income (Loss), Ending Balance	1,678	1,080
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive (loss) income	$ 7,664	$ 7,201

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Supplemental Cash Flow Disclosures - Non-cash Investing and Financing Activities (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash paid during the period for:
Interest	$ 4,674	$ 4,004
Income Taxes Paid, Net	1,000	1,500
Non-cash investing and financing activities:
Loans Transferred to Other Real Estate Owned and Repossessions	1,355	797
Fair value of loans transferred from held to maturity to held for sale	0	3,011
Gross increase in market value adjustment to securities available for sale	10,070	9,869
Gross increase in market value adjustment to derivatives	1,720	1,200
Investments committed to purchase not settled	600	637
Unsettled treasury stock repurchases	$ 0	$ 453

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Earnings per Share - Composition of Weighted-Average Common Shares (Denominator) Used in Basic and Diluted Earnings Per Share (Detail) - shares	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Earnings Per Share [Abstract]
Weighted Average Number of Shares Issued, Basic	105,563,455	105,563,455
Average treasury shares (in shares)	(16,623,094)	(14,503,976)
Average unearned nonvested shares	(100,273)	(183,755)
Weighted average common shares and common stock equivalents used to calculate basic earnings per share (in shares)	88,840,088	90,875,724
Additional common stock equivalents (nonvested stock) used to calculate diluted earnings per share	5,113	13,311
Weighted average common shares and common stock equivalents used to calculate diluted earnings per share (in shares)	88,845,201	90,889,035

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Earnings per Share - Common Stock Equivalents Not Included in Computation of Diluted Earnings Per Share (Detail) - Restricted Stock [Member] - $ / shares	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	88,508	118,390
Minimum [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Net Income, Per Outstanding Unit, Amount	$ 7.21	$ 7.35
Maximum [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Net Income, Per Outstanding Unit, Amount	$ 9.84	$ 9.26

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Commitments and Contingent Liabilities - Notional Amount of Outstanding Commitments (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Commitments to extend credit [Member]
Loss Contingencies [Line Items]
Financial instrument of credit risk	$ 1,643,908	$ 1,643,187
Financial standby letters of credit [Member]
Loss Contingencies [Line Items]
Financial instrument of credit risk	17,805	17,843
Performance standby letters of credit [Member]
Loss Contingencies [Line Items]
Financial instrument of credit risk	27,352	26,497
Commercial letters of credit [Member]
Loss Contingencies [Line Items]
Financial instrument of credit risk	$ 1,718	$ 1,672

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Commitments and Contingent Liabilities - Additional Information (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Loss Contingencies [Line Items]
Notional Amount Of Performance Standby Letters Of Credit	$ 1,300
Notional Amount Of Commercial Letters Of Credit	201
Notional Amount Of Financial Standby Letters Of Credit	13
Financial instrument of credit risk	100	$ 200
Unfunded commitment liability	$ 4,100	$ 4,400

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Investment Securities - Analysis of Amortized Cost and Estimated Fair Values of Securities Available for Sale (Detail) - USD ($) $ in Thousands		Mar. 31, 2016	Dec. 31, 2015
Investment Securities [Line Items]
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis		$ 2,601
Amortized Cost		884,679	$ 891,111
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax		16,924	11,926
Gross Unrealized Losses		(11,405)	(16,477)
Securities available for sale, at fair value		890,198	886,560
Due within one year, Estimated Fair Value		2,601
Due after one but within five years, Amortized Cost		20,596
Due after one but within five years, Estimated Fair Value		20,640
Due after five but within ten years, Amortized Cost		27,068
Due after five but within ten years, Estimated Fair Value		27,832
Due after ten years, Amortized Cost		44,400
Due after ten years, Estimated Fair Value		35,571
Due within one year, Amortized Cost		94,665
Available-for-sale Securities, Debt Maturities, Single Maturity Date		86,644
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis	[1]	787,808
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value	[1]	801,348
US Government Agencies Residential Mortgage-backed Securities [Member]
Investment Securities [Line Items]
Amortized Cost		19,380
Securities available for sale, at fair value		21,700	22,092
Residential Mortgage Backed Securities [Member]
Investment Securities [Line Items]
Securities available for sale, at fair value		779,625	777,577
Obligations of U.S. Government-Sponsored Enterprises - Mortgage-Backed Securities - Commercial [Member]
Investment Securities [Line Items]
Securities available for sale, at fair value		23	28
Obligations of U.S. Government-Sponsored Enterprises - Other Government-Sponsored Enterprises [Member]
Investment Securities [Line Items]
Securities available for sale, at fair value		19,203	19,118
Obligations of States and Political Subdivisions [Member]
Investment Securities [Line Items]
Securities available for sale, at fair value		27,832	27,598
Corporate Debt Securities [Member]
Investment Securities [Line Items]
Securities available for sale, at fair value		6,336	2,319
Pooled Trust Preferred Collateralized Debt Obligations [Member]
Investment Securities [Line Items]
Securities available for sale, at fair value		33,273	35,658
Debt Securities [Member]
Investment Securities [Line Items]
Amortized Cost		882,473
Securities available for sale, at fair value		887,992
Equity Securities [Member]
Investment Securities [Line Items]
Amortized Cost		2,206	2,170
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax		0	0
Gross Unrealized Losses		0	0
Securities available for sale, at fair value		2,206	2,170
Debt Securities [Member]
Investment Securities [Line Items]
Amortized Cost		882,473	888,941
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax		16,924	11,926
Gross Unrealized Losses		(11,405)	(16,477)
Securities available for sale, at fair value		887,992	884,390
Pooled Trust Preferred Collateralized Debt Obligations [Member]
Investment Securities [Line Items]
Amortized Cost		42,500	42,239
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax		476	916
Gross Unrealized Losses		(9,703)	(7,497)
Securities available for sale, at fair value		33,273	35,658
Corporate Debt Securities [Member]
Investment Securities [Line Items]
Amortized Cost		5,896	1,897
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax		440	422
Gross Unrealized Losses		0	0
Securities available for sale, at fair value		6,336	2,319
Obligations of States and Political Subdivisions [Member]
Investment Securities [Line Items]
Amortized Cost		27,068	27,066
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax		764	532
Gross Unrealized Losses		0	0
Securities available for sale, at fair value		27,832	27,598
Obligations of U.S. Government-Sponsored Enterprises - Other Government-Sponsored Enterprises [Member]
Investment Securities [Line Items]
Amortized Cost		19,201	19,201
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax		7	2
Gross Unrealized Losses		5	(85)
Securities available for sale, at fair value		19,203	19,118
Obligations of U.S. Government-Sponsored Enterprises - Mortgage-Backed Securities - Commercial [Member]
Investment Securities [Line Items]
Amortized Cost		23	28
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax		0	0
Gross Unrealized Losses		0	0
Securities available for sale, at fair value		23	28
Residential Mortgage Backed Securities [Member]
Investment Securities [Line Items]
Amortized Cost		768,405	778,476
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax		12,917	7,983
Gross Unrealized Losses		1,697	(8,882)
Securities available for sale, at fair value		779,625	777,577
US Government Agencies Residential Mortgage-backed Securities [Member]
Investment Securities [Line Items]
Amortized Cost		19,380	20,034
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax		2,320	2,071
Gross Unrealized Losses		0	(13)
Securities available for sale, at fair value		$ 21,700	$ 22,092

[1] Mortgage Backed Securities include an amortized cost of $19.4 million and a fair value of $21.7 million for Obligations of U.S.

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Investment Securities - Amortized Cost and Estimated Fair Value of Debt Securities Available for Sale (Detail) - USD ($) $ in Thousands		Mar. 31, 2016	Dec. 31, 2015
Net Investment Income [Line Items]
Available-for-sale Securities, Debt Maturities, Single Maturity Date		$ 86,644
Due after five but within ten years, Amortized Cost		27,068
Due after one but within five years, Amortized Cost		20,596
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis	[1]	787,808
Due within one year, Amortized Cost		94,665
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis		2,601
Due after ten years, Amortized Cost		44,400
Corporate/Mortgage-Backed Securities, Amortized cost	[1]	801,348
Amortized Cost		884,679	$ 891,111
Due within one year, Estimated Fair Value		2,601
Due after one but within five years, Estimated Fair Value		20,640
Due after five but within ten years, Estimated Fair Value		27,832
Due after ten years, Estimated Fair Value		35,571
Total Debt Securities, Estimated Fair Value		890,198	886,560
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax		16,924	11,926
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax		11,405	16,477
US Government Agencies Debt Securities [Member]
Net Investment Income [Line Items]
Amortized Cost		19,380	20,034
Total Debt Securities, Estimated Fair Value		21,700	22,092
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax		2,320	2,071
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax		0	13
Debt Securities [Member]
Net Investment Income [Line Items]
Amortized Cost		882,473	888,941
Total Debt Securities, Estimated Fair Value		887,992	884,390
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax		16,924	11,926
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax		11,405	16,477
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Net Investment Income [Line Items]
Amortized Cost		768,400
Total Debt Securities, Estimated Fair Value		779,600
Debt Securities [Member]
Net Investment Income [Line Items]
Amortized Cost		882,473
Total Debt Securities, Estimated Fair Value		887,992
Pooled Trust Preferred Collateralized Debt Obligations [Member]
Net Investment Income [Line Items]
Total Debt Securities, Estimated Fair Value		33,273	35,658
Corporate Debt Securities [Member]
Net Investment Income [Line Items]
Total Debt Securities, Estimated Fair Value		6,336	2,319
Obligations of States and Political Subdivisions [Member]
Net Investment Income [Line Items]
Total Debt Securities, Estimated Fair Value		27,832	27,598
Obligations of U.S. Government-Sponsored Enterprises - Other Government-Sponsored Enterprises [Member]
Net Investment Income [Line Items]
Total Debt Securities, Estimated Fair Value		19,203	19,118
Obligations of U.S. Government-Sponsored Enterprises - Mortgage-Backed Securities - Commercial [Member]
Net Investment Income [Line Items]
Total Debt Securities, Estimated Fair Value		23	28
Residential Mortgage Backed Securities [Member]
Net Investment Income [Line Items]
Total Debt Securities, Estimated Fair Value		779,625	777,577
US Government Agencies Debt Securities [Member]
Net Investment Income [Line Items]
Amortized Cost		19,380
Total Debt Securities, Estimated Fair Value		$ 21,700	$ 22,092

[1] Mortgage Backed Securities include an amortized cost of $19.4 million and a fair value of $21.7 million for Obligations of U.S.

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Investment Securities - Amortized Cost and Estimated Fair Value of Debt Securities Available for Sale (Detail) (1) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Investment Securities [Line Items]
Amortized Cost	$ 884,679	$ 891,111
Securities available for sale, at fair value	890,198	886,560
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	16,924	11,926
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	11,405	16,477
Obligations of U.S. Government-Sponsored Enterprises - Other Government-Sponsored Enterprises [Member]
Investment Securities [Line Items]
Amortized Cost	19,201	19,201
Securities available for sale, at fair value	19,203	19,118
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	7	2
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	(5)	85
US Government Agencies Residential Mortgage-backed Securities [Member]
Investment Securities [Line Items]
Amortized Cost	19,380
Securities available for sale, at fair value	21,700	$ 22,092
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Investment Securities [Line Items]
Amortized Cost	768,400
Securities available for sale, at fair value	779,600
Debt Securities [Member]
Investment Securities [Line Items]
Amortized Cost	882,473
Securities available for sale, at fair value	$ 887,992

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Investment Securities - Proceeds from Sale, Gross Gains (Losses) Realized on Sales, Maturities and Other-Than-Temporary Impairment Charges Related to Securities Available for Sale (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Investments, Debt and Equity Securities [Abstract]
Proceeds from Sale of Available-for-sale Securities	$ 0	$ 0
Sales Transactions:
Gross gains	0	0
Gross losses	0	0
Available-for-sale Securities, Gross Realized Gain (Loss), Excluding Other than Temporary Impairments	0	0
Maturities and impairment
Gross Gains	0	105
Gross Losses	0	0
Other Than Temporary Impairment	0	0
Gain Losses Maturities And Impairment	0	105
Net gains and impairment	$ 0	$ 105

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Investment Securities - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Investments, Debt and Equity Securities [Abstract]
Held-to-maturity Securities Pledged as Collateral	$ 58,300		$ 45,700
Proceeds from Sale of Available-for-sale Securities	0	$ 0
Available-for-sale securities pledged as collateral	$ 478,200		$ 416,100

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Investment Securities Schedule of Held-to-Maturity Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Schedule of Held-to-maturity Securities [Line Items]
Due within 1 year	$ 0
Held-to-maturity Securities, Debt Maturities, Next Twelve Months, Fair Value	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	4,525	$ 331
Held-to-maturity Securities	396,444	384,324
Securities held to maturity, fair value	400,964	$ 382,341
Due after 1 but within 5 years	107
Due after 5 but within 10 years	27,839
Held-to-maturity Securities, Debt Maturities, Year Six Through Ten, Fair Value	28,412
Held-to-maturity Securities, Debt Maturities, Year Two Through Five, Fair Value	108
Due after 10 years	5,947
Held-to-maturity Securities, Debt Maturities, after Ten Years, Fair Value	5,998
Held-to-maturity Securities, Debt Maturities, Single Maturity Date, Amortized Cost Basis	33,893
Held-to-maturity Securities, Debt Maturities, Single Maturity Date, Fair Value	34,518
Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Net Carrying Amount	362,551
Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Fair Value	366,446
US Government Agencies Residential Mortgage-backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity Securities	21,510
Securities held to maturity, fair value	21,606
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity Securities	341,041
Securities held to maturity, fair value	$ 344,840

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Investment Securities Held to Maturity Securities by Type (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity Securities	$ 396,444	$ 384,324
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	4,525	331
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	(5)	(2,314)
Securities held to maturity, fair value	400,964	382,341
US Government Agencies Residential Mortgage-backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity Securities	4,743	4,775
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	99	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0	(7)
Securities held to maturity, fair value	4,842	4,768
US Government Agency Debt Securities Commercial [Domain]
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity Securities	16,767	16,843
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	0	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	(3)	(247)
Securities held to maturity, fair value	16,764	16,596
Residential Mortgage Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity Securities	325,974	315,609
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	3,526	30
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0	(1,824)
Securities held to maturity, fair value	329,500	313,815
Obligations of U.S. Government-Sponsored Enterprises - Mortgage-Backed Securities - Commercial [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity Securities	15,067	15,187
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	273	0
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	0	(178)
Securities held to maturity, fair value	15,340	15,009
Obligations of States and Political Subdivisions [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity Securities	33,893	31,910
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	627	301
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	(2)	(58)
Securities held to maturity, fair value	$ 34,518	$ 32,153

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Other Investments - Additional Information (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Other Investments Disclosure [Abstract]
Other investments	$ 60,597	$ 62,952

XML

Impairment of Investment Securities - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2016 USD ($) Security Bank	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other than temporary impairment charges recognized	$ 0	$ 0
Amortized Cost	884,679,000		$ 891,111,000
Securities available for sale, at fair value	$ 890,198,000		886,560,000
Number of banks and other financial institutions comprising the security | Bank	274
Number Of Pooled Securities with No Senior Class | Security	3
Number of securities with no excess subordination | Security	4
Number of Securities with Excess Subordination | Security	5
Coupon rate	7.00%
Probability of default	100.00%
Projected recovery rate	0.00%
Probability percentage assigned to default bank subject to market indicators	10.00%
Probability percentage assigned to default bank	100.00%
Federal Home Loan Bank Stock	$ 60,597,000		62,952,000
Investment Securities in Unrealized Loss Position, Qualitative Disclosure, Number of Positions, Total	30
Minimum [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Subordinated tranches range	7.00%
Total principal amount of the respective securities	5.00%
Excess subordination as a percentage of current performing collateral	10.00%
Probabilities for performing collateral range	0.33%
Excess present value of future cash flows over our current book value	20.00%
Maximum [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Subordinated tranches range	35.00%
Excess subordination as a percentage of current performing collateral	83.00%
Probabilities for performing collateral range	75.00%
Excess present value of future cash flows over our current book value	129.00%
Pooled Trust Preferred Collateralized Debt Obligations [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Percent of Unrealized Losses	85.00%
Securities available for sale, at fair value	$ 33,273,000		35,658,000
Trust preferred collateralized debt obligations [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other than temporary impairment charges recognized	$ 0	0
Percentage of Current Performing Collateral	0.00%
Corporate Debt Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Securities available for sale, at fair value	$ 6,336,000		2,319,000
Pooled Trust Preferred Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other than temporary impairment charges recognized	0	0
Equity Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Other than temporary impairment charges recognized	0	$ 0
Continuous Unrealized Loss Position, Fair Value	0		0
Asset Size and Coupon Rate 1 [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Collateral issued by financial institutions	$ 15,000,000,000
Coupon rate	7.00%
Prepayment rate	100.00%
Asset Size and Coupon Rate 2 [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Coupon rate	7.00%
Fair Value Inputs , Prepayment Rate Year One and Two	40.00%
Fair Value Inputs , Prepayment Rate After Year Two	2.00%
Asset Size and Coupon Rate 3 [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Prepayment rate	5.00%
Asset Size and Coupon Rate 3 [Member] | Minimum [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Collateral issued by financial institutions	$ 2,000,000,000
Asset Size and Coupon Rate 3 [Member] | Maximum [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Collateral issued by financial institutions	15,000,000,000
Asset Size and Coupon Rate 4 [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Collateral issued by financial institutions	$ 2,000,000,000
Coupon rate	10.00%
Prepayment rate	5.00%
Asset Size and Coupon Rate 5 [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Prepayment rate	0.00%
Obligations of U.S. Government-Sponsored Enterprises - Other Government-Sponsored Enterprises [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Percent of Unrealized Losses	15.00%
Reported Value Measurement [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Securities available for sale, at fair value	$ 890,198,000		$ 886,560,000
Federal Home Loan Bank Stock	$ 60,597,000

XML

Impairment of Investment Securities - Schedule of Unrealized Losses and Estimated Fair Values (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Schedule of Trading Securities and Other Trading Assets [Line Items]
Investment Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$ 49,553	$ 493,938
Investment Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(24)	(3,881)
Investment Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	240,123	293,076
Investment Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(11,386)	(14,910)
Investment Securities, Continuous Unrealized Loss Position, Fair Value, Total	289,676	787,014
Investment Securities, Continuous Unrealized Loss Position, Accumulated Loss	(11,410)	(18,791)
US Government Agencies Residential Mortgage-backed Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Investment Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		6,798
Investment Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss		(20)
Investment Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		0
Investment Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss		0
Investment Securities, Continuous Unrealized Loss Position, Fair Value, Total		6,798
Investment Securities, Continuous Unrealized Loss Position, Accumulated Loss		(20)
US Government Agency Debt Securities Commercial [Domain]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Investment Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	16,764	16,596
Investment Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(3)	(247)
Investment Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0	0
Investment Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Investment Securities, Continuous Unrealized Loss Position, Fair Value, Total	16,764	16,596
Investment Securities, Continuous Unrealized Loss Position, Accumulated Loss	(3)	(247)
Residential Mortgage Backed Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Investment Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	26,650	436,011
Investment Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(14)	(3,293)
Investment Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	212,200	263,119
Investment Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(1,683)	(7,413)
Investment Securities, Continuous Unrealized Loss Position, Fair Value, Total	238,850	699,130
Investment Securities, Continuous Unrealized Loss Position, Accumulated Loss	(1,697)	(10,706)
Obligations of U.S. Government-Sponsored Enterprises - Mortgage-Backed Securities - Commercial [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Investment Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		15,009
Investment Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss		178
Investment Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		0
Investment Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss		0
Investment Securities, Continuous Unrealized Loss Position, Fair Value, Total		15,009
Investment Securities, Continuous Unrealized Loss Position, Accumulated Loss		178
Obligations of U.S. Government-Sponsored Enterprises - Other Government-Sponsored Enterprises [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Investment Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	5,596	12,316
Investment Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(5)	(85)
Investment Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0	0
Investment Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Investment Securities, Continuous Unrealized Loss Position, Fair Value, Total	5,596	12,316
Investment Securities, Continuous Unrealized Loss Position, Accumulated Loss	(5)	(85)
Obligations of States and Political Subdivisions [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Investment Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	543	7,208
Investment Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(2)	(58)
Investment Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0	0
Investment Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Investment Securities, Continuous Unrealized Loss Position, Fair Value, Total	543	7,208
Investment Securities, Continuous Unrealized Loss Position, Accumulated Loss	$ (2)	(58)
Pooled Trust Preferred Collateralized Debt Obligations [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Percent of Unrealized Losses	85.00%
Investment Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$ 0	0
Investment Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	0	0
Investment Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	27,923	29,957
Investment Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(9,703)	(7,497)
Investment Securities, Continuous Unrealized Loss Position, Fair Value, Total	27,923	29,957
Investment Securities, Continuous Unrealized Loss Position, Accumulated Loss	$ (9,703)	$ (7,497)

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Impairment of Investment Securities - Pooled Trust Preferred Collateralized Debt Obligations (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($) Bank	Dec. 31, 2015 USD ($)
Impairment Of Investment Securities [Line Items]
Securities available for sale, at fair value	$ 890,198	$ 886,560
Unrealized Gain (Loss)	11,405	$ 16,477
Pooled Trust Preferred Collateralized Debt Obligations [Member]
Impairment Of Investment Securities [Line Items]
Book Value	42,500
Securities available for sale, at fair value	33,273
Unrealized Gain (Loss)	(9,227)
Pooled Trust Preferred Collateralized Debt Obligations [Member] | Mezzanine [Member] | Pre TSL IV [Member]
Impairment Of Investment Securities [Line Items]
Book Value	1,830
Securities available for sale, at fair value	1,291
Unrealized Gain (Loss)	$ (539)
Debt Instrument, Credit Rating	B1/BB
Number of Banks (in banks) | Bank	6
Deferrals and Defaults as a % of Current Collateral	18.05%
Excess Subordination as a % of Current Performing Collateral	59.28%
Pooled Trust Preferred Collateralized Debt Obligations [Member] | Mezzanine [Member] | Pre TSL VII [Member]
Impairment Of Investment Securities [Line Items]
Book Value	$ 3,020
Securities available for sale, at fair value	3,272
Unrealized Gain (Loss)	$ 252
Debt Instrument, Credit Rating	Ca/-
Number of Banks (in banks) | Bank	14
Deferrals and Defaults as a % of Current Collateral	49.68%
Excess Subordination as a % of Current Performing Collateral	0.00%
Pooled Trust Preferred Collateralized Debt Obligations [Member] | Mezzanine [Member] | Pre TSL VIII [Member]
Impairment Of Investment Securities [Line Items]
Book Value	$ 2,020
Securities available for sale, at fair value	1,705
Unrealized Gain (Loss)	$ (315)
Debt Instrument, Credit Rating	C/C
Number of Banks (in banks) | Bank	28
Deferrals and Defaults as a % of Current Collateral	53.00%
Excess Subordination as a % of Current Performing Collateral	0.00%
Pooled Trust Preferred Collateralized Debt Obligations [Member] | Mezzanine [Member] | Pre TSL IX [Member]
Impairment Of Investment Securities [Line Items]
Book Value	$ 2,385
Securities available for sale, at fair value	1,778
Unrealized Gain (Loss)	$ (607)
Debt Instrument, Credit Rating	B1/C
Number of Banks (in banks) | Bank	38
Deferrals and Defaults as a % of Current Collateral	29.80%
Excess Subordination as a % of Current Performing Collateral	9.82%
Pooled Trust Preferred Collateralized Debt Obligations [Member] | Mezzanine [Member] | Pre TSL X [Member]
Impairment Of Investment Securities [Line Items]
Book Value	$ 1,644
Securities available for sale, at fair value	1,779
Unrealized Gain (Loss)	$ 135
Debt Instrument, Credit Rating	Caa1/C
Number of Banks (in banks) | Bank	43
Deferrals and Defaults as a % of Current Collateral	30.66%
Excess Subordination as a % of Current Performing Collateral	0.00%
Pooled Trust Preferred Collateralized Debt Obligations [Member] | Mezzanine [Member] | Pre TSL XII [Member]
Impairment Of Investment Securities [Line Items]
Book Value	$ 5,735
Securities available for sale, at fair value	4,324
Unrealized Gain (Loss)	$ (1,411)
Debt Instrument, Credit Rating	B3/C
Number of Banks (in banks) | Bank	66
Deferrals and Defaults as a % of Current Collateral	22.03%
Excess Subordination as a % of Current Performing Collateral	0.00%
Pooled Trust Preferred Collateralized Debt Obligations [Member] | Mezzanine [Member] | Pre TSL XIII [Member]
Impairment Of Investment Securities [Line Items]
Book Value	$ 12,767
Securities available for sale, at fair value	9,856
Unrealized Gain (Loss)	$ (2,911)
Debt Instrument, Credit Rating	Ba3/C
Number of Banks (in banks) | Bank	56
Deferrals and Defaults as a % of Current Collateral	12.11%
Excess Subordination as a % of Current Performing Collateral	42.17%
Pooled Trust Preferred Collateralized Debt Obligations [Member] | Mezzanine [Member] | Pre TSL XIV [Member]
Impairment Of Investment Securities [Line Items]
Book Value	$ 12,889
Securities available for sale, at fair value	8,969
Unrealized Gain (Loss)	$ (3,920)
Debt Instrument, Credit Rating	B1/CC
Number of Banks (in banks) | Bank	56
Deferrals and Defaults as a % of Current Collateral	19.72%
Excess Subordination as a % of Current Performing Collateral	49.72%
Pooled Trust Preferred Collateralized Debt Obligations [Member] | Mezzanine [Member] | MMCap I [Member]
Impairment Of Investment Securities [Line Items]
Book Value	$ 210
Securities available for sale, at fair value	299
Unrealized Gain (Loss)	$ 89
Debt Instrument, Credit Rating	Ca/C
Number of Banks (in banks) | Bank	8
Deferrals and Defaults as a % of Current Collateral	58.11%
Excess Subordination as a % of Current Performing Collateral	83.30%

XML

Impairment of Investment Securities - Cumulative Roll Forward of Credit Losses Recognized in Earnings for Debt Securities Held and Not Intended to be Sold (Detail) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Impairment of Investment Securities Disclosure [Abstract]
Balance, beginning (a)	[1]	$ 24,851	$ 26,246
Credit losses on debt securities for which other-than-temporary impairment was not previously recognized		0	0
Additional credit losses on debt securities for which other-than-temporary impairment was previously recognized		0	0
Balance, ending		24,590	25,707
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Cash Flows		0	218
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Period Increase (Decrease)		$ 261	$ 321

[1] The beginning balance represents credit related losses included in other-than-temporary impairment charges recognized on debt securities in prior periods.

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Loans and Allowance for Credit Losses - Outstanding Balances of Loan (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 4,798,755	$ 4,683,750	$ 4,437,601
Commercial, financial, agricultural and other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,190,384	1,150,906	1,066,788
Real estate construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	256,856	220,736	107,882
Residential real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,212,962	1,224,465	1,210,511
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,552,904	1,479,000	1,400,276
Loans to individuals [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 585,649	$ 608,643	$ 652,144

XML

Loans and Allowance for Credit Losses - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non Accrual Status Of Loans After Number Of Days Past Due	90 days
Default Status Of TDRs After Number Of Days Past Due	90 days
Charge-offs	$ 3,508	$ 7,109
Unfunded commitments related to nonperforming loans	2,500		$ 100
Off balance sheet reserve to nonperforming loans	0		0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales	0	0
Total gains or losses included in earnings	0	105
Nonaccrual	46,836		36,705
Recorded investment	$ 61,815		$ 50,844
Loans to individuals [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non Accrual Status Of Loans After Number Of Days Past Due	150 days
Impaired Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans with modifications to rate and payment due to reamortization	$ 3,900	$ 300
Non Accrual Loans [Member] | Steel and Aluminum Servicing Company [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	11,500
Non Accrual Loans [Member] | Oil and Gas Well Services Company [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	6,800
Non Accrual Loans [Member] | Sporting Goods Manufacturer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	3,800
Non Accrual Loans [Member] | Industrial Manufacturer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	3,700
Non Accrual Loans [Member] | Local Energy Company [Member] [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	3,800
2012 Troubled Debt Restructuring [Member] | Non Accrual Loans [Member] | Local Energy Company [Member] [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	1,300
Charge-off recognized	1,100
2014 Troubled Debt Restructuring [Member] | Non Accrual Loans [Member] | Local Energy Company [Member] [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	$ 2,500

XML

Loans and Allowance for Credit Losses - Credit Risk Profile by Creditworthiness (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 4,798,755	$ 4,683,750	$ 4,437,601
Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	4,656,130	4,549,787
OAEM [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	31,809	47,523
Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	110,816	86,440
Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	0
Criticized [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	142,625	133,963
Commercial, financial, agricultural and other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,190,384	1,150,906
Commercial, financial, agricultural and other [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,085,770	1,074,858
Commercial, financial, agricultural and other [Member] | OAEM [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	18,522	11,825
Commercial, financial, agricultural and other [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	86,092	64,223
Commercial, financial, agricultural and other [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	0
Commercial, financial, agricultural and other [Member] | Criticized [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	104,614	76,048
Real estate construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	256,856	220,736
Real estate construction [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	256,423	220,267
Real estate construction [Member] | OAEM [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	433	442
Real estate construction [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	27
Real estate construction [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	0
Real estate construction [Member] | Criticized [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	433	469
Residential real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,212,962	1,224,465
Residential real estate [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,198,103	1,209,606
Residential real estate [Member] | OAEM [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	5,178	5,244
Residential real estate [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	9,681	9,615
Residential real estate [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	0
Residential real estate [Member] | Criticized [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	14,859	14,859
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,552,904	1,479,000
Commercial Real Estate [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,530,565	1,436,714
Commercial Real Estate [Member] | OAEM [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	7,676	30,012
Commercial Real Estate [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	14,663	12,274
Commercial Real Estate [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	0
Commercial Real Estate [Member] | Criticized [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	22,339	42,286
Loans to individuals [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	585,649	608,643
Loans to individuals [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	585,269	608,342
Loans to individuals [Member] | OAEM [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	0
Loans to individuals [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	380	301
Loans to individuals [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	0
Loans to individuals [Member] | Criticized [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 380	$ 301

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Loans and Allowance for Credit Losses - Age Analysis of Past Due Loans by Segment (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	$ 46,836	$ 36,705
Total past due and nonaccrual	57,032	49,636
Current	4,741,723	4,634,114
Total	4,798,755	4,683,750	$ 4,437,601
Commercial, financial, agricultural and other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	34,851	23,653
Total past due and nonaccrual	35,350	24,195
Current	1,155,034	1,126,711
Total	1,190,384	1,150,906
Real estate construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	0	28
Total past due and nonaccrual	86	308
Current	256,770	220,428
Total	256,856	220,736
Residential real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	6,642	6,500
Total past due and nonaccrual	11,794	13,045
Current	1,201,168	1,211,420
Total	1,212,962	1,224,465
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	4,963	6,223
Total past due and nonaccrual	6,233	7,069
Current	1,546,671	1,471,931
Total	1,552,904	1,479,000
Loans to individuals [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	380	301
Total past due and nonaccrual	3,569	5,019
Current	582,080	603,624
Total	585,649	608,643
Financing Receivables, 30 to 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due and nonaccrual	6,918	8,598
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial, financial, agricultural and other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due and nonaccrual	277	364
Financing Receivables, 30 to 59 Days Past Due [Member] | Real estate construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due and nonaccrual	0	280
Financing Receivables, 30 to 59 Days Past Due [Member] | Residential real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due and nonaccrual	3,639	4,175
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due and nonaccrual	1,270	781
Financing Receivables, 30 to 59 Days Past Due [Member] | Loans to individuals [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due and nonaccrual	1,732	2,998
Financing Receivables, 60 to 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due and nonaccrual	1,948	1,878
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial, financial, agricultural and other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due and nonaccrual	92	49
Financing Receivables, 60 to 89 Days Past Due [Member] | Real estate construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due and nonaccrual	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Residential real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due and nonaccrual	1,308	1,055
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due and nonaccrual	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Loans to individuals [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due and nonaccrual	548	774
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due and nonaccrual	1,330	2,455
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial, financial, agricultural and other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due and nonaccrual	130	129
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Real estate construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due and nonaccrual	86	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Residential real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due and nonaccrual	205	1,315
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due and nonaccrual	0	65
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Loans to individuals [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due and nonaccrual	$ 909	$ 946

XML

Loans and Allowance for Credit Losses - Recorded Investment and Unpaid Principal Balance for Impaired Loans with Associated Allowance (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	$ 36,271		$ 29,307
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	45,957		37,565
Impaired Financing Receivable, with Related Allowance, Recorded Investment	25,544		21,537
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	25,954		24,270
Related allowance	13,395		7,045
Recorded investment	61,815		50,844
Unpaid principal balance	71,911		61,835
Average recorded investment	18,053	$ 13,141
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	36,177	37,787
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	282	116
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	33	32
Impaired Financing Receivable, Average Recorded Investment	54,230	50,928
Interest Income Recognized	315	148
Commercial, financial, agricultural and other [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	18,120		11,344
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	23,975		15,673
Impaired Financing Receivable, with Related Allowance, Recorded Investment	24,526		20,132
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	24,701		22,590
Related allowance	12,900		6,952
Average recorded investment	17,027	10,917
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	17,298	19,375
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	152	57
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	28	28
Real estate construction [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0		28
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0		117
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0		0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0		0
Related allowance	0		0
Average recorded investment	0	0
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	17	239
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	44	0
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0	0
Residential real estate [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	10,848		9,952
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	12,893		11,819
Impaired Financing Receivable, with Related Allowance, Recorded Investment	496		461
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	728		672
Related allowance	75		51
Average recorded investment	497	901
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	10,724	10,155
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	47	38
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0	3
Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	6,805		7,562
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	8,474		9,449
Impaired Financing Receivable, with Related Allowance, Recorded Investment	522		944
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	525		1,008
Related allowance	420		42
Average recorded investment	529	1,323
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	7,658	7,711
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	38	20
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	5	1
Loans to individuals [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	498		421
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	615		507
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0		0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0		0
Related allowance	0		$ 0
Average recorded investment	0	0
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	480	307
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	1	1
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	$ 0	$ 0

XML

Loans and Allowance for Credit Losses - Troubled Debt Restructured Loans and Commitments (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Financing Receivable, Troubled Debt Restructurings [Line Items]
Financing Receivable, Modifications, Recorded Investment	$ 28,345	$ 26,499
Unused lines of Credit [Member]
Financing Receivable, Troubled Debt Restructurings [Line Items]
Loans and Leases Receivable, Impaired, Commitment to Lend	1,367	3,252
Accrual Loans [Member] [Member]
Financing Receivable, Troubled Debt Restructurings [Line Items]
Financing Receivable, Modifications, Recorded Investment	14,979	14,139
Non Accrual Loans [Member]
Financing Receivable, Troubled Debt Restructurings [Line Items]
Financing Receivable, Modifications, Recorded Investment	$ 13,366	$ 12,360

XML

Loans and Allowance for Credit Losses - Troubled Debt Restructurings Identified During Period (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($) Contract	Mar. 31, 2015 USD ($) Contract
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	16	8
Total Pre-Modification Outstanding Recorded Investment	$ 4,978	$ 2,249
Post- Modification Outstanding Recorded Investment	$ 4,844	$ 2,139
Financing Receivable, Modifications, Determination of Allowance for Credit Losses	0	0
Commercial, financial, agricultural and other [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	2	1
Total Pre-Modification Outstanding Recorded Investment	$ 3,769	$ 1,498
Post- Modification Outstanding Recorded Investment	$ 3,749	$ 1,476
Financing Receivable, Modifications, Determination of Allowance for Credit Losses	0	0
Residential real estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	8	5
Total Pre-Modification Outstanding Recorded Investment	$ 988	$ 269
Post- Modification Outstanding Recorded Investment	$ 910	$ 203
Financing Receivable, Modifications, Determination of Allowance for Credit Losses	0	0
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	3	1
Total Pre-Modification Outstanding Recorded Investment	$ 198	$ 464
Post- Modification Outstanding Recorded Investment	$ 169	$ 449
Financing Receivable, Modifications, Determination of Allowance for Credit Losses	0	0
Loans to individuals [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	3	1
Total Pre-Modification Outstanding Recorded Investment	$ 23	$ 18
Post- Modification Outstanding Recorded Investment	$ 16	$ 11
Financing Receivable, Modifications, Determination of Allowance for Credit Losses	0	0
Extended Maturity [Member]
Financing Receivable, Modifications [Line Items]
Total Pre-Modification Outstanding Recorded Investment	$ 65	$ 1,498
Extended Maturity [Member] | Commercial, financial, agricultural and other [Member]
Financing Receivable, Modifications [Line Items]
Total Pre-Modification Outstanding Recorded Investment	0	1,498
Extended Maturity [Member] | Residential real estate [Member]
Financing Receivable, Modifications [Line Items]
Total Pre-Modification Outstanding Recorded Investment	0	0
Extended Maturity [Member] | Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Total Pre-Modification Outstanding Recorded Investment	65	0
Extended Maturity [Member] | Loans to individuals [Member]
Financing Receivable, Modifications [Line Items]
Total Pre-Modification Outstanding Recorded Investment	0	0
Contractual Interest Rate Reduction [Member]
Financing Receivable, Modifications [Line Items]
Total Pre-Modification Outstanding Recorded Investment	3,901	252
Contractual Interest Rate Reduction [Member] | Commercial, financial, agricultural and other [Member]
Financing Receivable, Modifications [Line Items]
Total Pre-Modification Outstanding Recorded Investment	3,769	0
Contractual Interest Rate Reduction [Member] | Residential real estate [Member]
Financing Receivable, Modifications [Line Items]
Total Pre-Modification Outstanding Recorded Investment	114	252
Contractual Interest Rate Reduction [Member] | Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Total Pre-Modification Outstanding Recorded Investment	0	0
Contractual Interest Rate Reduction [Member] | Loans to individuals [Member]
Financing Receivable, Modifications [Line Items]
Total Pre-Modification Outstanding Recorded Investment	18	0
Contractual Payment Modification [Member]
Financing Receivable, Modifications [Line Items]
Total Pre-Modification Outstanding Recorded Investment	1,012	499
Contractual Payment Modification [Member] | Commercial, financial, agricultural and other [Member]
Financing Receivable, Modifications [Line Items]
Total Pre-Modification Outstanding Recorded Investment	0	0
Contractual Payment Modification [Member] | Residential real estate [Member]
Financing Receivable, Modifications [Line Items]
Total Pre-Modification Outstanding Recorded Investment	874	17
Contractual Payment Modification [Member] | Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Total Pre-Modification Outstanding Recorded Investment	133	464
Contractual Payment Modification [Member] | Loans to individuals [Member]
Financing Receivable, Modifications [Line Items]
Total Pre-Modification Outstanding Recorded Investment	$ 5	$ 18

XML

Loans and Allowance for Credit Losses - Troubled Debt Restructuring is 90 Days or More Past Due (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($) Contract	Mar. 31, 2015 USD ($) Contract
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | Contract	2	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $	$ 70	$ 0
Residential real estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | Contract	2	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $	$ 70	$ 0

XML

Loans and Allowance for Credit Losses - Allowance for Credit Losses (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Allowance for Doubtful Accounts Receivable [Roll Forward]
Beginning Balance	$ 50,812	$ 52,051
Charge-offs	(3,508)	(7,109)
Recoveries	1,392	596
Provision for Loan, Lease, and Other Losses	6,526	1,159
Ending Balance	50,812	52,051	$ 55,222	$ 50,812	$ 46,697
Ending balance: individually evaluated for impaired			13,395		3,829
Ending balance: collectively evaluated for impaired			41,827		42,868
Total			4,798,755	4,683,750	4,437,601
Ending balance: individually evaluated for impaired			54,196		39,659
Ending balance: collectively evaluated for impaired			4,744,559		4,397,942
Commercial, financial, agricultural and other [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Beginning Balance	31,035	29,627
Charge-offs	(1,392)	(5,080)
Recoveries	134	200
Provision for Loan, Lease, and Other Losses	11,944	(341)
Ending Balance	31,035	29,627	41,721	31,035	24,406
Ending balance: individually evaluated for impaired			12,900		3,397
Ending balance: collectively evaluated for impaired			28,821		21,009
Total			1,190,384	1,150,906	1,066,788
Ending balance: individually evaluated for impaired			42,016		24,586
Ending balance: collectively evaluated for impaired			1,148,368		1,042,202
Real estate construction [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Beginning Balance	887	2,063
Charge-offs	0	0
Recoveries	223	0
Provision for Loan, Lease, and Other Losses	(209)	(535)
Ending Balance	887	2,063	901	887	1,528
Ending balance: individually evaluated for impaired			0		0
Ending balance: collectively evaluated for impaired			901		1,528
Total			256,856	220,736	107,882
Ending balance: individually evaluated for impaired			0		199
Ending balance: collectively evaluated for impaired			256,856		107,683
Residential real estate [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Beginning Balance	2,606	3,664
Charge-offs	(382)	(566)
Recoveries	118	96
Provision for Loan, Lease, and Other Losses	286	193
Ending Balance	2,606	3,664	2,628	2,606	3,387
Ending balance: individually evaluated for impaired			75		165
Ending balance: collectively evaluated for impaired			2,553		3,222
Total			1,212,962	1,224,465	1,210,511
Ending balance: individually evaluated for impaired			6,246		7,071
Ending balance: collectively evaluated for impaired			1,206,716		1,203,440
Commercial Real Estate [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Beginning Balance	11,924	11,881
Charge-offs	(265)	(202)
Recoveries	756	138
Provision for Loan, Lease, and Other Losses	(6,932)	670
Ending Balance	11,924	11,881	5,483	11,924	12,487
Ending balance: individually evaluated for impaired			420		267
Ending balance: collectively evaluated for impaired			5,063		12,220
Total			1,552,904	1,479,000	1,400,276
Ending balance: individually evaluated for impaired			5,934		7,803
Ending balance: collectively evaluated for impaired			1,546,970		1,392,473
Loans to individuals [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Beginning Balance	4,360	4,816
Charge-offs	(1,469)	(1,261)
Recoveries	161	162
Provision for Loan, Lease, and Other Losses	1,437	1,172
Ending Balance	$ 4,360	$ 4,816	4,489	4,360	4,889
Ending balance: individually evaluated for impaired			0		0
Ending balance: collectively evaluated for impaired			4,489		4,889
Total			585,649	$ 608,643	652,144
Ending balance: individually evaluated for impaired			0		0
Ending balance: collectively evaluated for impaired			$ 585,649		$ 652,144

XML

Fair Values of Assets and Liabilities - Quantitative Inputs and Assumptions Used in Level 3 Fair Value Measurements (Detail) - USD ($)		3 Months Ended
		Mar. 31, 2016	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value		$ 890,198,000	$ 886,560,000
Assets		$ 975,551,000	966,548,000
Pooled Trust Preferred Collateralized Debt Obligations [Member] | Minimum [Member] | Discount rates [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Weighted average rate	[1]	5.50%
Pooled Trust Preferred Collateralized Debt Obligations [Member] | Maximum [Member] | Discount rates [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Weighted average rate	[1]	12.50%
Pooled Trust Preferred Collateralized Debt Obligations [Member] | Discounted Cash Flow [Member] | Minimum [Member] | Probability of default [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Weighted average rate		0.00%
Pooled Trust Preferred Collateralized Debt Obligations [Member] | Discounted Cash Flow [Member] | Minimum [Member] | Prepayment rates [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Weighted average rate		0.00%
Pooled Trust Preferred Collateralized Debt Obligations [Member] | Discounted Cash Flow [Member] | Maximum [Member] | Probability of default [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Weighted average rate		100.00%
Pooled Trust Preferred Collateralized Debt Obligations [Member] | Discounted Cash Flow [Member] | Maximum [Member] | Prepayment rates [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Weighted average rate		73.15%
Pooled Trust Preferred Collateralized Debt Obligations [Member] | Discounted Cash Flow [Member] | Weighted average [Member] | Probability of default [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Weighted average rate		12.19%
Pooled Trust Preferred Collateralized Debt Obligations [Member] | Discounted Cash Flow [Member] | Weighted average [Member] | Prepayment rates [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Weighted average rate		5.14%
Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value		$ 2,206,000	2,170,000
Impaired Loans [Member] | Discounted Cash Flow [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets		$ 8,285,000
Impaired Loans [Member] | Discounted Cash Flow [Member] | Weighted average [Member] | Discount rates [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Weighted average rate
Impaired Loans [Member] | Reserve Study [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets		$ 2,437,000
Impaired Loans [Member] | Reserve Study [Member] | NGL per gallon [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs Monetary	[2]
Impaired Loans [Member] | Reserve Study [Member] | Minimum [Member] | Gas per MCF [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs Monetary	[2]	$ 1.63
Impaired Loans [Member] | Reserve Study [Member] | Minimum [Member] | Oil per BBL/d [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs Monetary	[2]	40.97
Impaired Loans [Member] | Reserve Study [Member] | Maximum [Member] | Gas per MCF [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs Monetary	[2]	3.38
Impaired Loans [Member] | Reserve Study [Member] | Maximum [Member] | Oil per BBL/d [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs Monetary	[2]	$ 56.16
Impaired Loans [Member] | Reserve Study [Member] | Weighted average [Member] | Discount rates [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Weighted average rate		10.00%
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value		$ 35,479,000	37,828,000
Assets		35,479,000	37,828,000
Level 3 [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value		2,206,000	2,170,000
Pooled Trust Preferred Collateralized Debt Obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value		33,273,000	35,658,000
Pooled Trust Preferred Collateralized Debt Obligations [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value			35,658,000
Pooled Trust Preferred Collateralized Debt Obligations [Member] | Level 3 [Member] | Pooled Trust Preferred Collateralized Debt Obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value		33,273,000
Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other Real Estate Owned Assets Fair Value		9,860,000	10,047,000
Assets		58,280,000	53,846,000
Fair Value, Measurements, Nonrecurring [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other Real Estate Owned Assets Fair Value		8,000	8,000
Assets		18,517,000	$ 12,828,000
Fair Value, Measurements, Nonrecurring [Member] | Level 3 [Member] | Other Real Estate Owned [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other Real Estate Owned Assets Fair Value		$ 8,000

[1] ncorporates spread over risk free rate related primarily to credit quality and illiquidity of securities.

[2] nobservable inputs are defined as follows: MCF - million cubic feet; BBL/d - barrels per day.

XML

Fair Values of Assets and Liabilities - Schedule of Changes in Level 3 Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, beginning of period	$ 37,828	$ 30,419
Total gains or losses included in earnings	0	105
Total gains or losses included in other comprehensive income	(2,385)	2,620
Purchases	36	500
Issuances	0	0
Sales	0	0
Settlements	0	(590)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	0	0
Balance, end of period	35,479	33,054
Pooled Trust Preferred Collateralized Debt Obligations [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, beginning of period	35,658	28,999
Total gains or losses included in earnings	0	105
Total gains or losses included in other comprehensive income	(2,385)	2,620
Purchases	0	0
Issuances	0	0
Sales	0	0
Settlements	0	(590)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	0	0
Balance, end of period	33,273	31,134
Equity Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, beginning of period	2,170	1,420
Total gains or losses included in earnings	0	0
Total gains or losses included in other comprehensive income	0	0
Purchases	36	500
Issuances	0	0
Sales	0	0
Settlements	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	0	0
Balance, end of period	$ 2,206	$ 1,920

XML

Fair Values of Assets and Liabilities - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2016		Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	$ 890,198		$ 886,560
Other investments	60,597		62,952
Loans Held for Sale	5,849		5,763
Other Assets	18,907	[1]	11,273	[2]
Total Assets	975,551		966,548
Other Liabilities	17,924	[1]	10,829	[2]
Total Liabilities	17,924		10,829
Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	887,992		884,390
Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	2,206		2,170
US Government Agencies Residential Mortgage-backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	21,700		22,092
Residential Mortgage Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	779,625		777,577
Obligations of U.S. Government-Sponsored Enterprises - Mortgage-Backed Securities - Commercial [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	23		28
Obligations of U.S. Government-Sponsored Enterprises - Other Government-Sponsored Enterprises [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	19,203		19,118
Obligations of States and Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	27,832		27,598
Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	6,336		2,319
Pooled Trust Preferred Collateralized Debt Obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	33,273		35,658
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	0		0
Other investments	0		0
Loans Held for Sale	0		0
Other Assets	0	[1]	0	[2]
Total Assets	0		0
Other Liabilities	0	[1]	0	[2]
Total Liabilities	0		0
Level 1 [Member] | Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	0		0
Level 1 [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	0		0
Level 1 [Member] | US Government Agencies Residential Mortgage-backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	0		0
Level 1 [Member] | Residential Mortgage Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	0		0
Level 1 [Member] | Obligations of U.S. Government-Sponsored Enterprises - Mortgage-Backed Securities - Commercial [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	0		0
Level 1 [Member] | Obligations of U.S. Government-Sponsored Enterprises - Other Government-Sponsored Enterprises [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	0		0
Level 1 [Member] | Obligations of States and Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	0		0
Level 1 [Member] | Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	0		0
Level 1 [Member] | Pooled Trust Preferred Collateralized Debt Obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	0		0
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	854,719		848,732
Other investments	60,597		62,952
Loans Held for Sale	5,849		5,763
Other Assets	18,907	[1]	11,273	[2]
Total Assets	940,072		928,720
Other Liabilities	17,924	[1]	10,829	[2]
Total Liabilities	17,924		10,829
Level 2 [Member] | Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	854,719		848,732
Level 2 [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	0		0
Level 2 [Member] | US Government Agencies Residential Mortgage-backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	21,700		22,092
Level 2 [Member] | Residential Mortgage Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	779,625		777,577
Level 2 [Member] | Obligations of U.S. Government-Sponsored Enterprises - Mortgage-Backed Securities - Commercial [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	23		28
Level 2 [Member] | Obligations of U.S. Government-Sponsored Enterprises - Other Government-Sponsored Enterprises [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	19,203		19,118
Level 2 [Member] | Obligations of States and Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	27,832		27,598
Level 2 [Member] | Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	6,336		2,319
Level 2 [Member] | Pooled Trust Preferred Collateralized Debt Obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	0		0
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	35,479		37,828
Other investments	0		0
Loans Held for Sale	0		0
Other Assets	0	[1]	0	[2]
Total Assets	35,479		37,828
Other Liabilities	0	[1]	0	[2]
Total Liabilities	0		0
Level 3 [Member] | Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	33,273		35,658
Level 3 [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	2,206		2,170
Level 3 [Member] | US Government Agencies Residential Mortgage-backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	0		0
Level 3 [Member] | Residential Mortgage Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	0		0
Level 3 [Member] | Obligations of U.S. Government-Sponsored Enterprises - Mortgage-Backed Securities - Commercial [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	0		0
Level 3 [Member] | Obligations of U.S. Government-Sponsored Enterprises - Other Government-Sponsored Enterprises [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	0		0
Level 3 [Member] | Obligations of States and Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	0		0
Level 3 [Member] | Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	$ 0		0
Level 3 [Member] | Pooled Trust Preferred Collateralized Debt Obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value			$ 35,658

[1] Hedging and non-hedging interest rate derivatives

[2] on-hedging interest rate derivatives

XML

Fair Values of Assets and Liabilities - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Assets, Level 1 to Level 2 Transfers, Description	$ 0		$ 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	0	$ 0
Impaired loans considered to be credit risk of non-collection	100,000
Updated appraisal requirement floor	250,000
Other real estate owned	8,636,000		9,398,000
Financial instrument of credit risk	100,000		$ 200,000
Fair Value, Assets Measured on Recurring Basis, Gain (Loss) Included in Other Income, Assets and Liabilities Continue to be held	$ 0	$ 0
Minimum [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Swap Rates Term Used to Determine Yield Curve	3 years
Maximum [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Swap Rates Term Used to Determine Yield Curve	30 years

XML

Fair Values of Assets and Liabilities - Schedule of Assets Measured on Non-Recurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	$ 975,551	$ 966,548
Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	48,420	43,799
Other real estate owned	9,860	10,047
Total Assets	58,280	53,846
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	0	0
Level 1 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	0	0
Other real estate owned	0	0
Total Assets	0	0
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	940,072	928,720
Level 2 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	29,911	30,979
Other real estate owned	9,852	10,039
Total Assets	39,763	41,018
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	35,479	37,828
Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	18,509	12,820
Other real estate owned	8	8
Total Assets	$ 18,517	$ 12,828

XML

Fair Values of Assets and Liabilities - Losses Realized on Assets Measured on Non-Recurring Basis (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Fair Value Disclosures [Abstract]
Impaired loans	$ (7,702)	$ (555)
Other real estate owned	(13)	(69)
Total losses	$ (7,715)	$ (624)

XML

Fair Values of Assets and Liabilities - Carrying Amounts and Fair Values of Financial Instruments (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Carrying Amount [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Cash and due from banks	$ 62,141	$ 66,644
Interest-bearing deposits	11,024	2,808
Securities available for sale, at fair value	890,198	886,560
Held-to-maturity Securities	396,444
Other investments	60,597
Loans Held for sale, Amount	5,849	5,763
Loans and Leases Receivable, Net of Deferred Income	4,798,755	4,683,750
Deposits	4,301,655	4,195,894
Short-term borrowings	1,518,742	1,510,825
Subordinated debt	72,167	72,167
Long-term debt	9,175	9,314
Estimate of Fair Value Measurement [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Cash and due from banks	62,141	66,644
Interest-bearing deposits	11,024	2,808
Securities available for sale, at fair value	890,198	886,560
Held-to-maturity Securities	400,964
Other investments	60,597	62,952
Loans Held for sale, Amount	5,849	5,763
Loans and Leases Receivable, Net of Deferred Income	4,791,929	4,690,852
Deposits	4,303,085	4,198,817
Short-term borrowings	1,518,561	1,510,718
Subordinated debt	61,208	62,794
Long-term debt	9,999	9,834
Estimate of Fair Value Measurement [Member] | Level 1 [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Cash and due from banks	62,141	66,644
Interest-bearing deposits	11,024	2,808
Securities available for sale, at fair value	0	0
Held-to-maturity Securities	0
Other investments	0	0
Loans Held for sale, Amount	0	0
Loans and Leases Receivable, Net of Deferred Income	0	0
Deposits	0	0
Short-term borrowings	0	0
Subordinated debt	0	0
Long-term debt	0	0
Estimate of Fair Value Measurement [Member] | Level 2 [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Cash and due from banks	0	0
Interest-bearing deposits	0	0
Securities available for sale, at fair value	854,719	848,732
Held-to-maturity Securities	400,964
Other investments	60,597	62,952
Loans Held for sale, Amount	5,849	5,763
Loans and Leases Receivable, Net of Deferred Income	29,911	30,979
Deposits	4,303,085	4,198,817
Short-term borrowings	1,518,561	1,510,718
Subordinated debt	0	0
Long-term debt	9,999	9,834
Estimate of Fair Value Measurement [Member] | Level 3 [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Cash and due from banks	0	0
Interest-bearing deposits	0	0
Securities available for sale, at fair value	35,479	37,828
Held-to-maturity Securities	0
Other investments	0	0
Loans Held for sale, Amount	0	0
Loans and Leases Receivable, Net of Deferred Income	4,762,018	4,659,873
Deposits	0	0
Short-term borrowings	0	0
Subordinated debt	61,208	62,794
Long-term debt	$ 0	$ 0

XML

Derivatives - Additional Information (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($) Derivatives	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)
Risk participation Agreements [Line Items]
HedgedItemsOfCashFlowHedge	$ 200,000
Derivative Instruments Designated As Hedging Instruments Interest Income	$ 430	$ 381
Risk Participation Agreements Purchased [Domain]
Risk participation Agreements [Line Items]
Number of interest rate swaps | Derivatives	17
Risk Participation Agreements Sold [Domain]
Risk participation Agreements [Line Items]
Number of interest rate swaps | Derivatives	4
Designated as Hedging Instrument [Member]
Risk participation Agreements [Line Items]
Derivative, Notional Amount	$ 200,000		$ 200,000
Three Year Maturity [Member] | Designated as Hedging Instrument [Member]
Risk participation Agreements [Line Items]
Derivative, Notional Amount	85,000
Four Year Maturity [Member] | Designated as Hedging Instrument [Member]
Risk participation Agreements [Line Items]
Derivative, Notional Amount	$ 115,000

XML

Derivatives - Credit Value Adjustment Recorded Related to Notional Amount of Derivatives Outstanding (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Fair Value, Net	$ (1,544)	$ (542)
Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Fair Value, Net	2,657	922
Derivative, Notional Amount	200,000	200,000
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount	303,212	276,860
Interest Rate Cap [Member] | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount	21,981	22,793
Credit Default Swap [Member] | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount	128,481	126,612
Credit Default Swap, Selling Protection [Member] | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ (20,267)	$ (20,383)

XML

Derivatives - Schedule of Changes in Fair Value of Derivative Assets and Liabilities (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ (1,014)	$ (230)
Derivative Instruments Designated As Hedging Instruments Interest Income	430	381
Derivative, Net Hedge Ineffectiveness Gain (Loss)	$ 15	$ 9

XML

Goodwill - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Goodwill Disclosure [Abstract]
Goodwill	$ 164,500,000		$ 164,500,000
Impairment charges on goodwill	$ 0	$ 0