10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-K

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

For the fiscal year ended December 31, 2012

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 incorporation or organization)	(I.R.S. Employer Identification No.)
601 PHILADELPHIA STREET    INDIANA, PA	15701
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (724) 349-7220

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

Title of each class	Name of each exchange on which registered
COMMON STOCK, $1 PAR VALUE	NEW YORK STOCK EXCHANGE

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

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

Note—Checking the box above will not relieve any registrant required to file reports pursuant to Section 13 or 15(d) of the Exchange Act from their obligations under those Sections.

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

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

Indicate by check mark whether the registrant 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 ¨        Accelerated filer x        Non-accelerated filer ¨        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 aggregate market value of the voting and non-voting common stock, par value $1 per share, held by non-affiliates of the registrant (based upon the closing sale price on June 30, 2012) was approximately $696,275,402.

The number of shares outstanding of the registrant’s common stock, $1.00 Par Value as of March 7, 2013, was 99,298,120.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the definitive Proxy Statement to be filed with the Securities and Exchange Commission in connection with the annual meeting of shareholders to be held April 23, 2013 are incorporated by reference into Part III.

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

FORM 10-K

INDEX

PART I		PAGE
ITEM 1.	Business		4
ITEM 1A.	Risk Factors		13
ITEM 1B.	Unresolved Staff Comments		17
ITEM 2.	Properties		17
ITEM 3.	Legal Proceedings		17
ITEM 4.	Mine Safety Disclosures		17
	Executive Officers of First Commonwealth Financial Corporation		17
PART II
ITEM 5.	Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchase of Equity Securities		19
ITEM 6.	Selected Financial Data		22
ITEM 7.	Management’s Discussion and Analysis of Financial Condition and Results of Operations		23
ITEM 7A.	Quantitative and Qualitative Disclosures About Market Risk		49
ITEM 8.	Financial Statements and Supplementary Data		50
ITEM 9.	Changes in and Disagreements with Accountants on Accounting and Financial Disclosure		123
ITEM 9A.	Controls and Procedures		123
ITEM 9B.	Other Information		123
PART III
ITEM 10.	Directors, Executive Officers and Corporate Governance		124
ITEM 11.	Executive Compensation		124
ITEM 12.	Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters		124
ITEM 13.	Certain Relationships and Related Transactions, and Director Independence		125
ITEM 14.	Principal Accountant Fees and Services		125
PART IV
ITEM 15.	Exhibits, Financial Statements and Schedules		126
	Signatures		128

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, and are intended to be covered by the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. These statements include, among others, statements regarding our strategy, evaluations of our asset quality, future interest rate trends and liquidity, prospects for growth in assets and prospects for future operating results. Forward-looking statements can generally be identified by the use of words such as “believe,” “expect,” “anticipate,” “intend,” “plan,” “estimate” or words of similar meaning, or future or conditional verbs such as “will,” “would,” “should,” “could” or “may.” Forward-looking statements are based on assumptions of management and are only expectations of future results. You should not place undue reliance on our forward-looking statements. Our actual results could differ materially from those projected in the forward-looking statements as a result of, among others, the risk factors described in Item 1A of this report. Forward-looking statements speak only as of the date on which they are made. We do not undertake any obligation to update any forward-looking statement to reflect circumstances or events that occur after the date the forward-looking statements are made.

ITEM 1. Business

Overview

First Commonwealth Financial Corporation (“First Commonwealth” or “we”) is a financial holding company that is headquartered in Indiana, Pennsylvania. We provide a diversified array of consumer and commercial banking services through our bank subsidiary, First Commonwealth Bank (“FCB” or the “Bank”). We also provide trust and wealth management services and offer insurance products through FCB and our other operating subsidiaries. At December 31, 2012, we had total assets of $6.0 billion, total loans of $4.2 billion, total deposits of $4.6 billion and shareholders’ equity of $746.0 million. Our principal executive office is located at 601 Philadelphia Street, Indiana, Pennsylvania 15701, and our telephone number is (724) 349-7220.

FCB is a Pennsylvania bank and trust company. At December 31, 2012, the Bank operated 112 community banking offices throughout western and central Pennsylvania and a loan production office in downtown Pittsburgh, Pennsylvania. The largest concentration of our branch offices is located within the greater Pittsburgh metropolitan area in Allegheny, Butler, Washington and Westmoreland counties, while our remaining offices are located in smaller cities, such as Altoona, Johnstown, and Indiana, Pennsylvania, and in towns and villages throughout predominantly rural counties. The Bank also operates a network of 120 automated teller machines, or ATMs, at various branch offices and offsite locations. All of our ATMs are part of the NYCE and MasterCard/Cirrus networks, both of which operate nationwide. The Bank is a member of the Allpoint ATM network which allows surcharge-free access to over 50,000 ATMs. The Bank is also a member of the “Freedom ATM Alliance,” which affords cardholders surcharge-free access to a network of over 700 ATMs in over 50 counties in Pennsylvania, Maryland, New York, West Virginia and Ohio.

Historical and Recent Developments

FCB began in 1934 as First National Bank of Indiana with initial capitalization of $255 thousand. First National Bank of Indiana changed its name to National Bank of the Commonwealth in 1971 and became a subsidiary of First Commonwealth in 1983.

Since the formation of the holding company in 1983, we have grown steadily through the acquisition of smaller banks and thrifts in our market area, including Deposit Bank in 1984, Dale National Bank and First National Bank of Leechburg in 1985, Citizens National Bank of Windber in 1986, Peoples Bank and Trust Company in 1990, Central Bank in 1992, Peoples Bank of Western Pennsylvania in 1993, Unitas National Bank and Reliable Savings Bank in 1994. In 1995, we merged all of our banking subsidiaries (other than Reliable Savings Bank) into Deposit Bank and renamed the resulting institution “First Commonwealth Bank.” We then merged Reliable Savings Bank into FCB in 1997. We acquired Southwest Bank in 1998 and merged it into FCB in 2002.

In the fourth quarter of 2003, we acquired Pittsburgh Financial Corp., the holding company for Pittsburgh Savings Bank (dba BankPittsburgh), for a total cost of approximately $28.6 million. Pittsburgh Financial had total assets of approximately $376.4 million, with 7 branch offices and one loan production office in Allegheny and Butler counties of Pennsylvania. In the second quarter of 2004, we acquired GA Financial, Inc., the holding company for Great American Federal, for a total cost of approximately $176.7 million. GA Financial, Inc. had total assets of approximately $890.3 million, with 12 branch offices located in Allegheny County. In the third quarter of 2006, we acquired Laurel Capital Group, Inc. (“Laurel”), the holding company for Laurel Savings Bank, for a total cost of approximately $56.1 million. Laurel had total assets of approximately $314.3 million, with 8 branch offices located in Allegheny and Butler Counties.

In recent years, we have primarily focused on organic growth, improving the reach of our franchise and the breadth of our product offering. As part of this strategy, we have opened fourteen de novo branches since 2005, all of which are in the greater Pittsburgh area. As a result of our acquisition and de novo strategy, FCB operates 49 branches in the Pittsburgh metropolitan statistical area and currently ranks ninth in deposit market share.

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ITEM 1. Business (Continued)

Competition

The banking and financial services industry is extremely competitive in our market area. We face vigorous competition for customers, loans and deposits from many companies, including commercial banks, savings and loan associations, finance companies, credit unions, trust companies, mortgage companies, money market mutual funds, insurance companies, and brokerage and investment firms. Many of these competitors are significantly larger than us, have greater resources, lending limits and larger branch systems and offer a wider array of financial services than us. In addition, some of these competitors, such as credit unions, are subject to a lesser degree of regulation than that imposed on us.

Employees

At December 31, 2012, First Commonwealth and its subsidiaries employed 1,289 full-time employees and 193 part-time employees.

Supervision and Regulation

The following discussion sets forth the material elements of the regulatory framework applicable to financial holding companies and their subsidiaries and provides certain specific information relevant to First Commonwealth and its subsidiaries. The regulatory framework is intended primarily for the protection of depositors, other customers and the federal deposit insurance fund and not for the protection of security holders. The rules governing the regulation of financial institutions and their holding companies are very detailed and technical. Accordingly, the following discussion is general in nature and is not intended to be complete or to describe all the laws and regulations that apply to First Commonwealth and its subsidiaries. A change in applicable statutes, regulations or regulatory policy may have a material adverse effect on our business, financial condition or results of operations.

Regulatory Reforms

The Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”), which was enacted in July 2010, significantly restructures the financial regulatory regime in the United States. Although the Dodd-Frank Act’s provisions that have received the most public attention generally have been those applying to or more likely to affect larger institutions such as bank holding companies with total consolidated assets of $50 billion or more, it contains numerous other provisions that affect all bank holding companies and banks, including First Commonwealth and FCB, some of which are described in more detail below.

Many of the Dodd-Frank Act’s provisions are subject to final rulemaking by the U.S. financial regulatory agencies, and the implications of the Dodd-Frank Act for First Commonwealth’s businesses will depend to a large extent on how such rules are adopted and implemented by the primary U.S. financial regulatory agencies. First Commonwealth continues to analyze the impact of rules adopted under Dodd-Frank, on its businesses. However, the full impact will not be known until the rules, and other regulatory initiatives that overlap with the rules, are finalized and their combined impacts can be understood.

Bank Holding Company Regulation

First Commonwealth is registered as a financial holding company under the Bank Holding Company Act of 1956, as amended (“BHC Act”), and is subject to supervision and regulation by the Board of Governors of the Federal Reserve System (“FRB”).

Acquisitions. Under the BHC Act, First Commonwealth is required to obtain the prior approval of the FRB before it can merge or consolidate with any other bank holding company or acquire all or substantially all of the assets of any bank that is not already majority owned by it or acquire direct or indirect ownership, or control of,

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ITEM 1. Business (Continued)

Supervision and Regulation (Continued)

Bank Holding Company Regulation (Continued)

any voting shares of any bank that is not already majority owned by it, if after such acquisition it would directly or indirectly own or control more than 5% of the voting shares of such bank. Satisfactory financial condition, particularly with regard to capital adequacy, and satisfactory Community Reinvestment Act (“CRA”) ratings are generally prerequisites to obtaining federal regulatory approval to make acquisitions and open branch offices.

Non-Banking Activities. First Commonwealth is generally prohibited under the BHC Act from engaging in, or acquiring direct or indirect ownership or control of more than 5% of the voting shares of any company engaged in non-banking activities unless the FRB, by order or regulation, has found such activities to be so closely related to banking or managing or controlling banks as to be a proper incident thereto. In making this determination, the FRB considers whether the performance of these activities by a bank holding company can reasonably be expected to produce benefits to the public that outweigh the possible adverse effects.

Reporting. Under the BHC Act, First Commonwealth is subject to examination by the FRB and is required to file periodic reports and other information of its operations with the FRB. In addition, under the Pennsylvania Banking Code of 1965, the Pennsylvania Department of Banking has the authority to examine the books, records and affairs of any Pennsylvania bank holding company or to require any documentation deemed necessary to ensure compliance with the Pennsylvania Banking Code.

Source of Strength Doctrine. FRB policy has historically required bank holding companies to act as a source of financial and managerial strength to their subsidiary banks. The Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”) codifies this policy as a statutory requirement. Under this requirement, First Commonwealth is expected to commit resources to support FCB, including at times when First Commonwealth may not be in a financial position to provide such resources. Any capital loans by a bank holding company to any of its subsidiary banks are subordinate in right of payment to deposits and to certain other indebtedness of such subsidiary banks. In the event of a bank holding company’s bankruptcy, any commitment by the bank holding company to a federal bank regulatory agency to maintain the capital of a subsidiary bank will be assumed by the bankruptcy trustee and entitled to priority of payment.

Affiliate Transactions. Transactions between FCB, on the one hand, and First Commonwealth and its other subsidiaries, on the other hand, are regulated by the Federal Reserve Board. These regulations limit the types and amounts of covered transactions engaged in by FCB and generally require those transactions to be on an arm’s-length basis. “Covered transactions” are defined by statute to include a loan or extension of credit, as well as a purchase of securities issued by an affiliate, a purchase of assets (unless otherwise exempted by the Federal Reserve Board) from the affiliate, certain derivative transactions that create a credit exposure to an affiliate, the acceptance of securities issued by the affiliate as collateral for a loan, and the issuance of a guarantee, acceptance or letter of credit on behalf of an affiliate. In general, these regulations require that any such transaction by FCB (or its subsidiaries) with an affiliate must be secured by designated amounts of specified collateral and must be limited to certain thresholds on an individual and aggregate basis.

SEC Regulations. First Commonwealth is also under the jurisdiction of the Securities and Exchange Commission (“SEC”) and various state securities commissions for matters relating to the offer and sale of its securities and is subject to the SEC rules and regulations relating to periodic reporting, proxy solicitation and insider trading.

Bank Regulations

FCB is a state bank chartered under the Pennsylvania Banking Code and is not a member of the FRB. As such, FCB is subject to the supervision of, and is regularly examined by, both the Federal Deposit Insurance Corporation (“FDIC”) and the Pennsylvania Department of Banking and is required to furnish quarterly reports

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ITEM 1. Business (Continued)

Supervision and Regulation (Continued)

Bank Regulations (Continued)

to both agencies. The approval of the Pennsylvania Department of Banking and FDIC is also required for FCB to establish additional branch offices or merge with or acquire another banking institution.

Restrictions on Dividends. The Pennsylvania Banking Code states, in part, that dividends may be declared and paid only out of accumulated net earnings and may not be declared or paid unless surplus is at least equal to capital. Dividends may not reduce surplus without the prior consent of the Pennsylvania Department of Banking. FCB has not reduced its surplus through the payment of dividends.

The FDIC also prohibits the declaration or payout of dividends at a time when FCB is in default in payment of any assessment due the FDIC. In addition, supervisory guidance issued by the FRB requires, among other things, that a company must consult with the FRB in advance of paying a dividend that exceeds earnings for the quarter for which the dividend is paid or that could result in a material adverse change to the company’s capital structure. The guidance also states that a company should, as a general matter, eliminate, defer or severely limit its dividend if (1) the company’s net income for the past four quarters, net of dividends paid during that period, is not sufficient to fully fund the dividend; (2) the company’s prospective rate of earnings retention is not consistent with the company’s capital needs and current and prospective financial condition; or (3) the company will not meet, or is in danger of not meeting, its minimum regulatory capital adequacy ratios.

Community Reinvestment. Under the Community Reinvestment Act, or CRA, a bank has a continuing and affirmative obligation, consistent with its safe and sound operation, to help meet the credit needs of its entire community, including low and moderate income neighborhoods. The CRA does not establish specific lending requirements or programs for financial institutions nor does it limit an institution’s discretion to develop the types of products and services that it believes are best suited to its particular community, consistent with the CRA. The CRA requires the applicable regulatory agency to assess an institution’s record of meeting the credit needs of its community. The CRA requires public disclosure of an institution’s CRA rating and requires that the applicable regulatory agency provide a written evaluation of an institution’s CRA performance utilizing a four-tiered descriptive rating system. An institution’s CRA rating is considered in determining whether to grant charters, branches and other deposit facilities, relocations, mergers, consolidations and acquisitions. Performance less than satisfactory may be the basis for denying an application. For its most recent examination, FCB received a “satisfactory” rating.

Consumer Protection Laws. The operations of FCB are also subject to numerous federal, state and local consumer protection laws and regulations including the Truth in Lending Act, Truth in Savings Act, Equal Credit Opportunity Act, Fair Housing Act, Real Estate Settlement Procedures Act and Home Mortgage Disclosure Act. Among other things, these acts:

• require banks to disclose credit terms in meaningful and consistent ways;

• prohibit discrimination against an applicant in any consumer or business credit transaction;

• prohibit discrimination in housing-related lending activities;

• require banks to collect and report applicant and borrower data regarding loans for home purchases or improvement projects;

• require lenders to provide borrowers with information regarding the nature and cost of real estate settlements;

• prohibit certain lending practices and limit escrow account amounts with respect to real estate transactions; and

• prescribe possible penalties for violations of the requirements of consumer protection statutes and regulations.

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ITEM 1. Business (Continued)

Supervision and Regulation (Continued)

Bank Regulations (Continued)

Deposit Insurance. Deposits of FCB are insured up to applicable limits by the FDIC and are subject to deposit insurance assessments to maintain the Deposit Insurance Fund (“DIF”). Deposit insurance assessments are based upon average total assets minus average total equity. The insurance assessments are based upon a matrix that takes into account a bank’s capital level and supervisory rating. The FDIC may terminate deposit insurance upon a finding that the institution has engaged in unsafe and unsound practices, is in an unsafe or unsound condition to continue operations, or has violated any applicable law, regulation, rule, order or condition imposed by the FDIC.

In November 2009, the FDIC issued a rule that required all insured depository institutions, with limited exceptions, to prepay their estimated quarterly risk-based assessments for the fourth quarter of 2009 and for all of 2010, 2011 and 2012. As of December 31, 2012, $9.2 million in pre-paid deposit insurance is included in “other assets” in the accompanying Statements of Financial Condition.

In October 2010, the FDIC adopted a new DIF restoration plan to ensure that the fund reserve ratio reaches 1.35% by September 30, 2020, as required by the Dodd-Frank Act. At least semi-annually, the FDIC will update its loss and income projections for the fund and, if needed, will increase or decrease assessment rates, following notice-and-comment rulemaking if required.

The separate deposit insurance coverage for non-interest-bearing transaction accounts that became effective on December 31, 2010 terminated on December 31, 2012.

Capital Requirements

As a bank holding company, we are subject to consolidated regulatory capital requirements administered by the FRB. FCB is subject to similar capital requirements administered by the FDIC and the Pennsylvania Department of Banking. The federal regulatory authorities’ risk-based capital guidelines are based upon the 1988 capital accord (“Basel I”) of the Basel Committee on Banking Supervision (the “Basel Committee”). The Basel Committee is a committee of central banks and bank supervisors/regulators from the major industrialized countries that develops broad policy guidelines for use by each country’s supervisors in determining the supervisory policies they apply. The requirements are intended to ensure that banking organizations have adequate capital given the risk levels of assets and off-balance sheet financial instruments. Under the requirements, banking organizations are required to maintain minimum ratios for Tier 1 capital and total capital to risk-weighted assets (including certain off-balance sheet items, such as letters of credit). For purposes of calculating the ratios, a banking organization’s assets and some of its specified off-balance sheet commitments and obligations are assigned to various risk categories.

A depository institution’s or holding company’s capital, in turn, is classified in one of three tiers, depending on type:

• Core Capital (Tier 1). Tier 1 capital includes common equity, retained earnings, qualifying non-cumulative perpetual preferred stock, a limited amount of qualifying cumulative perpetual stock at the holding company level, minority interests in equity accounts of consolidated subsidiaries, and qualifying trust preferred securities, less goodwill, most intangible assets and certain other assets.

• Supplementary Capital (Tier 2). Tier 2 capital includes, among other things, perpetual preferred stock and trust preferred securities not meeting the Tier 1 definition, qualifying mandatory convertible debt securities, qualifying subordinated debt, and allowances for possible loan and lease losses, subject to limitations.

• Market Risk Capital (Tier 3). Tier 3 capital includes qualifying unsecured subordinated debt.

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ITEM 1. Business (Continued)

Supervision and Regulation (Continued)

Capital Requirements (Continued)

First Commonwealth, like other bank holding companies, currently is required to maintain Tier 1 capital and “total capital” (the sum of Tier 1 and Tier 2 capital) equal to at least 4.0% and 8.0%, respectively, of its total risk-weighted assets (including various off-balance sheet items, such as letters of credit). FCB, like other depository institutions, is required to maintain similar capital levels under capital adequacy guidelines. In addition, for a depository institution to be considered “well capitalized” under the regulatory framework for prompt corrective action, its Tier 1 and total capital ratios must be at least 6.0% and 10.0% on a risk-adjusted basis, respectively.

Bank holding companies and banks are also required to comply with minimum leverage ratio requirements. The leverage ratio is the ratio of a banking organization’s Tier 1 capital to its total adjusted quarterly average assets (as defined for regulatory purposes). The minimum leverage ratio is 3.0% for bank holding companies and depository institutions that either have the highest supervisory rating or have implemented the appropriate federal regulatory authority’s risk-adjusted measure for market risk. All other bank holding companies and depository institutions are required to maintain a minimum leverage ratio of 4.0%, unless a different minimum is specified by an appropriate regulatory authority. In addition, for a depository institution to be considered “well capitalized” under the regulatory framework for prompt corrective action, its leverage ratio must be at least 5.0%.

As of December 31, 2012, FCB was a “well-capitalized” bank as defined by the FDIC. See Note 28 “Regulatory Restrictions and Capital Adequacy” of Notes to the Consolidated Financial Statements, contained in Item 8, for a table that provides a comparison of First Commonwealth’s and FCB’s risk-based capital ratios and the leverage ratio to minimum regulatory requirements.

In June 2012, the FRB published two notices of proposed rulemaking (the “2012 Capital Proposals”) that would substantially revise the risk-based capital requirements applicable to bank holding companies and depository institutions compared to the current U.S. risk-based capital rules, which are based on the aforementioned Basel I capital accords of the Basel Committee. One of the 2012 Capital Proposals (the “Basel III Proposal”) addresses the components of capital and other issues affecting the numerator in banking institutions’ regulatory capital ratios and would implement the Basel Committee’s December 2010 framework known as “Basel III” for strengthening international capital standards. The other proposal (the “Standardized Approach Proposal”) addresses risk weights and other issues affecting the denominator in banking institutions’ regulatory capital ratios and would replace the existing Basel I-derived risk-weighting approach with a more risk-sensitive approach based, in part, on the standardized approach in the Basel Committee’s 2004 “Basel II” capital accords. The 2012 Capital Proposals would also implement the requirements of Section 939A of the Dodd-Frank Act to remove references to credit ratings from the federal banking agencies’ rules. As proposed, the Basel III Proposal and the Standardized Approach Proposal would come into effect on January 1, 2013 (subject to a phase-in period) and January 1, 2015 (with an option for early adoption), respectively; however, final rules have not yet been adopted, and the Basel III framework is therefore not yet applicable to First Commonwealth or FCB.

The Basel III Proposal, among other things: (1) introduces a new capital measure called “Common Equity Tier 1”, (2) specifies that Tier 1 capital consist of Common Equity Tier 1 and “Additional Tier 1 capital” instruments meeting specified requirements, (3) defines Common Equity Tier 1 narrowly by requiring that most deductions/adjustments to regulatory capital measures be made to Common Equity Tier 1 and not to the other components of capital and (4) expands the scope of the deductions/adjustments as compared to existing regulations.

When fully phased in on January 1, 2019, the Basel III Proposal will require First Commonwealth and FCB to maintain (1) a minimum ratio of Common Equity Tier 1 to risk-weighted assets of at least 4.5%, plus a 2.5% “capital conservation buffer” (which is added to the 4.5% Common Equity Tier 1 ratio as that buffer is phased in,

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ITEM 1. Business (Continued)

Supervision and Regulation (Continued)

Capital Requirements (Continued)

effectively resulting in a minimum ratio of Common Equity Tier 1 to risk-weighted assets of at least 7% upon full implementation), (2) a minimum ratio of Tier 1 capital to risk-weighted assets of at least 6.0%, plus the capital conservation buffer (which is added to the 6.0% Tier 1 capital ratio as that buffer is phased in, effectively resulting in a minimum Tier 1 capital ratio of 8.5% upon full implementation), (3) a minimum ratio of Total capital (that is, Tier 1 plus Tier 2) to risk-weighted assets of at least 8.0%, plus the capital conservation buffer (which is added to the 8.0% total capital ratio as that buffer is phased in, effectively resulting in a minimum total capital ratio of 10.5% upon full implementation) and (4) a minimum leverage ratio of 4%, calculated as the ratio of Tier 1 capital to average assets.

The Basel III Proposal also provides for a “countercyclical capital buffer” over and above the capital conservation buffer that is designed to absorb losses during periods of economic stress. The countercyclical capital buffer is applicable to only certain covered institutions and is not expected to have any current applicability to First Commonwealth or FCB.

The Basel III Proposal provides for a number of deductions from and adjustments to Common Equity Tier 1. These include, for example, the requirement that mortgage servicing rights, deferred tax assets dependent upon future taxable income and significant investments in non-consolidated financial entities be deducted from Common Equity Tier 1 to the extent that any one such category exceeds 10% of Common Equity Tier 1 or all such categories in the aggregate exceed 15% of Common Equity Tier 1. Under current capital standards, the effects of accumulated other comprehensive income items included in capital are excluded for the purposes of determining regulatory capital ratios. Under the Basel III Proposal, the effects of certain accumulated other comprehensive items are not excluded, which could result in significant variations in the level of capital depending upon the impact of interest rate fluctuations on the fair value of First Commonwealth’s securities portfolio. The Basel III Proposal also requires the phase-out of certain hybrid securities, such as trust preferred securities, as Tier 1 capital of bank holding companies. Trust preferred securities no longer included in Tier 1 capital may nonetheless be included as a component of Tier 2 capital. Implementation of the deductions and other adjustments to Common Equity Tier 1 will begin on January 1, 2014 and will be phased-in over a five-year period (20% per year). The implementation of the capital conservation buffer will begin on January 1, 2016 at the 0.625% level and be phased in over a four-year period (increasing by that amount on each subsequent January 1, until it reaches 2.5% on January 1, 2019).

The Standardized Approach Proposal would expand the risk-weighting categories from the current four Basel I-derived categories (0%, 20%, 50% and 100%) to a much larger and more risk-sensitive number of categories, depending on the nature of the assets, generally ranging from 0% for U.S. government and agency securities, to 600% for certain equity exposures, and resulting in higher risk weights for a variety of asset categories, including many residential mortgages and certain commercial real estate. Among other things, the Standardized Approach Proposal would:

• Apply a 150% risk weight instead of a 100% risk weight for certain high volatility commercial real estate acquisition, development and construction loans.

• Revise risk weightings for residential mortgage exposures to replace the current approach of a 50% risk weight for high-quality seasoned mortgages and a 100% risk-weight for all other mortgages with a risk weight of between 35% and 200% depending upon the mortgage’s loan-to-value ratio and whether the mortgage is a “category 1” or “category 2” residential mortgage exposure (based on eight criteria that include the term, use of negative amortization, balloon payments and certain rate increases).

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ITEM 1. Business (Continued)

Supervision and Regulation (Continued)

Capital Requirements (Continued)

• Assign a 150% risk weight to exposures (other than residential mortgage exposures) that are 90 days past due.

• Provide for a 20% credit conversion factor for the unused portion of a commitment with an original maturity of one year or less that is not unconditionally cancellable (currently set at 0%).

• Provide for a risk weight, generally not less than 20% with certain exceptions, for securities lending transactions based on the risk weight category of the underlying collateral securing the transaction.

• Eliminate the current 50% cap on the risk weight for over-the-counter derivatives.

In addition, the Standardized Approach Proposal also provides more advantageous risk weights for derivatives and repurchase-style transactions cleared through a qualifying central counterparty and increases the scope of eligible guarantors and eligible collateral for purposes of credit risk mitigation.

Management believes that, as of December 31, 2012, First Commonwealth and FCB would meet all capital adequacy requirements under the Basel III and Standardized Approach Proposals on a fully phased-in basis if such requirements were currently effective. There can be no guarantee that the Basel III and the Standardized Approach Proposals will be adopted in their current form, what changes may be made before adoption, or when ultimate adoption will occur. Requirements to maintain higher levels of capital or to maintain higher levels of liquid assets could adversely impact the Corporation’s net income and return on equity.

Liquidity Requirements

Historically, regulation and monitoring of bank and bank holding company liquidity has been addressed as a supervisory matter, without required formulaic measures. The Basel III final framework requires banks and bank holding companies to measure their liquidity against specific liquidity tests that, although similar in some respects to liquidity measures historically applied by banks and regulators for management and supervisory purposes, going forward will be required by regulation. One test, referred to as the liquidity coverage ratio (“LCR”), is designed to ensure that the banking entity maintains an adequate level of unencumbered high-quality liquid assets equal to the entity’s expected net cash outflow for a 30-day time horizon (or, if greater, 25% of its expected total cash outflow) under an acute liquidity stress scenario. The other, referred to as the net stable funding ratio (“NSFR”), is designed to promote more medium- and long-term funding of the assets and activities of banking entities over a one-year time horizon. These requirements will incent banking entities to increase their holdings of U.S. Treasury securities and other sovereign debt as a component of assets and increase the use of long-term debt as a funding source. The Basel III framework contemplates that the LCR will remain subject to an observation period through mid-2013 and be implemented as a standard on January 1, 2015 and that the NSFR will be subject to an observation period through mid-2016 and be implemented as a minimum standard by January 1, 2018. These new standards are subject to further rulemaking and their terms may change before implementation. The federal banking agencies have not proposed rules implementing the Basel III liquidity framework and have not determined to what extent they will apply to U.S. banks that are not large, internationally active banks.

Anti-Money Laundering and the USA Patriot Act

A major focus of governmental policy on financial institutions in recent years has been aimed at combating money laundering and terrorist financing. The USA PATRIOT Act of 2001 (the “USA Patriot Act”) substantially broadened the scope of United States anti-money laundering laws and regulations by imposing significant new compliance and due diligence obligations, creating new crimes and penalties and expanding the extra-territorial

11

ITEM 1. Business (Continued)

Supervision and Regulation (Continued)

Anti-Money Laundering and the USA Patriot Act (Continued)

jurisdiction of the United States. The United States Treasury Department has issued and, in some cases, proposed a number of regulations that apply various requirements of the USA Patriot Act to financial institutions such as FCB. These regulations impose obligations on financial institutions to maintain appropriate policies, procedures and controls to detect, prevent and report money laundering and terrorist financing and to verify the identity of their customers. Certain of those regulations impose specific due diligence requirements on financial institutions that maintain correspondent or private banking relationships with non-U.S. financial institutions or persons. Failure of a financial institution to maintain and implement adequate programs to combat money laundering and terrorist financing, or to comply with all of the relevant laws or regulations, could have serious legal and reputational consequences for the institution.

Availability of Financial Information

We file annual, quarterly and current reports, proxy statements and other information with the SEC. You may read and copy any document we file at the Securities and Exchange Commission’s Public Reference Room at 100 F Street, N.E., Washington, D.C. 20549. Our SEC filings are also available to the public on the SEC website at www.sec.gov and on our website at www.fcbanking.com.

We also make available on our website, www.fcbanking.com, and in print to any shareholder who requests them, our Corporate Governance Guidelines, the charters for our Audit, Risk, Compensation and Human Resources, and Governance Committees, and the Code of Conduct and Ethics that applies to all of our directors, officers and employees.

Our Chief Executive Officer has certified to the New York Stock Exchange (“NYSE”) that, as of the date of the certification, he was not aware of any violation by First Commonwealth of NYSE’s corporate governance listing standards. In addition, our Chief Executive Officer and Chief Financial Officer have made certain certifications concerning the information contained in this report pursuant to Section 302 of the Sarbanes-Oxley Act. The Section 302 certifications appear as Exhibits 31.1 and 31.2 to this annual report on Form 10-K.

12

ITEM 1A. Risk Factors

As a financial services company, we are subject to a number of risks, many of which are outside of our control. These risks include, but are not limited to:

Changes in interest rates could negatively impact our financial condition and results of operations.

Our results of operations depend substantially on net interest income, which is the difference between interest earned on interest-earning assets (such as investments and loans) and interest paid on interest-bearing liabilities (such as deposits and borrowings). Interest rates are highly sensitive to many factors, including governmental monetary policies and domestic and international economic and political conditions. Conditions such as inflation, recession, unemployment, money supply, and other factors beyond our control may also affect interest rates. If our interest-earning assets mature or reprice more quickly than interest-bearing liabilities in a declining interest rate environment, net interest income could be adversely impacted. Likewise, if interest-bearing liabilities mature or reprice more quickly than interest-earnings assets in a rising interest rate environment, net interest income could be adversely impacted.

Changes in interest rates also can affect the value of loans and other assets. An increase in interest rates that adversely affects the ability of borrowers to pay the principal or interest on loans may lead to an increase in nonperforming assets and a reduction of income recognized, which could have a material adverse effect on our results of operations and cash flows.

We are subject to extensive government regulation and supervision.

Banking regulations are primarily intended to protect depositors’ funds, federal deposit insurance funds and the banking system as a whole, not security holders. These regulations affect our lending practices, capital structure, investment practices, dividend policy and growth, among other things. Congress and federal regulatory agencies continually review banking laws, regulations and policies for possible changes. The Dodd-Frank Act, enacted in July 2010, instituted major changes to the banking and financial institutions regulatory regimes in light of the recent performance of and government intervention in the financial services sector. Other changes to statutes, regulations or regulatory policies, including changes in interpretation or implementation of statutes, regulations or policies, could affect us in substantial and unpredictable ways. Such changes could subject us to additional costs, limit the types of financial services and products we may offer and/or increase the ability of non-banks to offer competing financial services and products, among other things. Failure to comply with laws, regulations or policies could result in sanctions by regulatory agencies, civil money penalties and/or reputation damage, which could have a material adverse effect on our business, financial condition and results of operations. See “Supervision and Regulation” included in Item 1. Business for a more detailed description of the Dodd-Frank Act and other regulatory requirements applicable to First Commonwealth.

Further declines in real estate values could adversely affect our earnings and financial condition.

As of December 31, 2012, approximately 62% of our loans were secured by real estate. These loans consist of residential real estate loans (approximately 30% of total loans), commercial real estate loans (approximately 30% of total loans) and real estate construction loans (approximately 2% of total loans). Since the beginning of the economic recession in 2008, declines in real estate values and weak demand for new construction, particularly outside of our core Pennsylvania market, have caused deterioration in our loan portfolio and adversely impacted our financial condition and results of operations. Additional declines in real estate values, both within and outside of Pennsylvania, could adversely affect the value of the collateral for these loans, the ability of borrowers to make timely repayment of these loans and our ability to recoup the value of the collateral upon foreclosure, further impacting our earnings and financial condition.

13

ITEM 1A. Risk Factors (Continued)

Our earnings are significantly affected by general business and economic conditions.

Our operations and profitability are impacted by general business and economic conditions in the United States and abroad. These conditions include short-term and long-term interest rates, inflation, money supply, political issues, legislative and regulatory changes, fluctuations in both debt and equity capital markets, broad trends in industry and finance and the strength of the United States economy, all of which are beyond our control. A deterioration in economic conditions could result in an increase in loan delinquencies and nonperforming assets, decreases in loan collateral values and a decrease in demand for our products and services, among other things, any of which could have a material adverse impact on our financial condition and results of operations.

Our allowance for credit losses may be insufficient.

All borrowers carry the potential to default and our remedies to recover may not fully satisfy money previously loaned. We maintain an allowance for credit losses, which is a reserve established through a provision for credit losses charged to expense, which represents management’s best estimate of probable credit losses that have been incurred within the existing portfolio of loans. The allowance, in the judgment of management, is adequate to reserve for estimated loan losses and risks inherent in the loan portfolio. The level of the allowance for credit losses reflects management’s continuing evaluation of industry concentrations; specific credit risks; loan loss experience; current loan portfolio quality; present economic conditions; and unidentified losses in the current loan portfolio. The determination of the appropriate level of the allowance for credit losses inherently involves a high degree of subjectivity and requires us to make significant estimates of current credit risks using existing qualitative and quantitative information, all of which may undergo material changes. Changes in economic conditions affecting borrowers, new information regarding existing loans, identification of additional problem loans and other factors, both within and outside of our control, may require an increase in the allowance for credit losses. In addition, bank regulatory agencies periodically review our allowance for credit losses and may require an increase in the provision for credit losses or the recognition of additional loan charge-offs, based on judgments different than those of management. An increase in the allowance for credit losses results in a decrease in net income, and possibly risk-based capital, and may have a material adverse effect on our financial condition and results of operations.

Acts of cyber-crime may compromise client and company information, disrupt access to our systems or result in loss of client or company assets.

Our business is dependent upon the availability of technology, the Internet and telecommunication systems to enable financial transactions by clients, record and monitor transactions and transmit and receive data to and from clients and third parties. Information security risks have increased significantly due to the use of online, telephone and mobile banking channels by clients and the increased sophistication and activities of organized crime, hackers, terrorists and other external parties. Our technologies, systems, networks and our clients’ devices have been subject to, and are likely to continue to be the target of, cyber-attacks, computer viruses, malicious code, phishing attacks or information security breaches that could result in the unauthorized release, gathering, monitoring, misuse, loss or destruction of our or our clients’ confidential, proprietary and other information, the theft of client assets through fraudulent transactions or disruption of our or our clients’ or other third parties’ business operations.

During the quarter ending September 30, 2012, we incurred a $3.5 million charge in connection with fraudulent wire transfers involving the breach of a commercial client’s computer system to gain access to our online banking system. There was no breach of First Commonwealth’s systems, however, following this incident, we have enhanced our monitoring and security procedures to help prevent and mitigate the risk of fraudulent transfers. However, there can be no assurance that we will not incur fraud losses in the future.

14

ITEM 1A. Risk Factors (Continued)

We could suffer large losses due to the large size of certain loans.

As of December 31, 2012, we had 38 commercial loans with commitments greater than $15.0 million with an aggregate amount of such commitments equal to $907.8 million. If one or more of these large loans deteriorates or if the borrowers default, we could suffer losses which would have a significant impact on our earnings and financial condition.

We have a significant deferred tax asset and cannot assure it will be fully realized.

We had net deferred tax assets of $64.1 million as of December 31, 2012. We did not establish a valuation allowance against our federal net deferred tax assets as of December 31, 2012 as we believe that it is more likely than not that all of these assets will be realized. In evaluating the need for a valuation allowance, we estimated future taxable income based on management approved forecasts. This process required significant judgment by management about matters that are by nature uncertain. If future events differ from our current forecasts, we may need to establish a valuation allowance, which could have a material adverse effect on our results of operations and financial condition.

We must evaluate whether any portion of our recorded goodwill is impaired. Impairment testing may result in a material, non-cash write-down of our goodwill assets and could have a material adverse impact on our results of operations.

At December 31, 2012, goodwill represented approximately 3% of our total assets. We have recorded goodwill because we paid more for some of our businesses than the fair market value of the tangible and separately measurable intangible net assets of those businesses. We test our goodwill and other intangible assets with indefinite lives for impairment at least annually (or whenever events occur which may indicate possible impairment). Goodwill impairment is determined by comparing the fair value of a reporting unit to its carrying amount, including goodwill. If the fair value exceeds the carrying amount, goodwill of the reporting unit is not considered impaired. If the fair value of the reporting unit is less than the carrying amount, goodwill is considered impaired. Determining the fair value of our company requires a high degree of subjective management assumptions. Any changes in key assumptions about our business and its prospects, changes in market conditions or other externalities, for impairment testing purposes could result in a non-cash impairment charge and such a charge could have a material adverse effect on our consolidated results of operations. The challenges of the current economic environment may adversely affect our earnings, the fair value of our assets and liabilities and our stock price, all of which may increase the risk of goodwill impairment.

We have significant exposure to a downturn in the financial services industry due to our investments in trust preferred securities.

As of December 31, 2012, we had single issuer trust preferred securities and trust preferred collateralized debt obligations with an aggregate book value of $51.9 million and an unrealized loss of approximately $23.4 million. These securities were issued by banks, bank holding companies and other financial services providers. Depending on the severe economic recession and its impact on the financial services industry, we may be required to record additional impairment charges on other investment securities if they suffer a decline in value that is considered other-than-temporary. If the credit quality of the securities in our investment portfolio deteriorates, we may also experience a loss in interest income from the suspension of either interest or dividend payments. Numerous factors, including lack of liquidity for resales of certain investment securities, absence of reliable pricing information for investment securities, adverse changes in business climate or adverse actions by regulators could have a negative effect on our investment portfolio in future periods. If an impairment charge is significant enough it could affect the ability of FCB to upstream dividends to us, which could have a material adverse effect on our liquidity and our ability to pay dividends to shareholders and could also negatively impact our regulatory capital ratios and result in us not being classified as “well-capitalized” for regulatory purposes.

15

ITEM 1A. Risk Factors (Continued)

First Commonwealth relies on dividends from its subsidiaries for most of its revenues.

First Commonwealth is a separate and distinct legal entity from its subsidiaries. It receives substantially all of its revenues from dividends from its subsidiaries. These dividends are the principal source of funds to pay dividends on First Commonwealth’s common stock and interest and principal on First Commonwealth’s debt. Various federal and/or state laws and regulations limit the amount of dividends that FCB and certain non-bank subsidiaries may pay to First Commonwealth. In the event FCB is unable to pay dividends to First Commonwealth, First Commonwealth may not be able to service debt, pay obligations or pay dividends on its common stock. The inability to receive dividends from FCB could have a material adverse effect on First Commonwealth’s business, financial condition and results of operations.

Competition from other financial institutions in originating loans, attracting deposits and providing various financial services may adversely affect our profitability.

We face substantial competition in originating loans and attracting deposits. This competition comes principally from other banks, savings institutions, mortgage banking companies and credit unions, as well as institutions offering uninsured investment alternatives, including money market funds. Many of our competitors enjoy advantages, including greater financial resources and higher lending limits, better brand recognition, a wider geographic presence, more accessible branch office locations, the ability to offer a wider array of services or more favorable pricing alternatives, as well as lower origination and operating costs. These competitors may offer more favorable pricing through lower interest rates on loans or higher interest rates on deposits, which could force us to match competitive rates and thereby reduce our net interest income.

Negative publicity could damage our reputation.

Reputation risk, or the risk to our earnings and capital from negative public opinion, is inherent in our business. Negative public opinion could adversely affect our ability to keep and attract customers and expose us to adverse legal and regulatory consequences. Negative public opinion could result from our actual or alleged conduct in any number of activities, including lending practices, corporate governance, regulatory compliance, mergers and acquisitions, and disclosure, sharing or inadequate protection of customer information, and from actions taken by government regulators and community organizations in response to that conduct. Because we conduct all of our business under the “First Commonwealth” brand, negative public opinion about one business could affect our other businesses.

An interruption to our information systems could adversely impact our operations.

We rely upon our information systems for operating and monitoring all major aspects of our business, including deposit and loan operations, as well as internal management functions. These systems and our operations could be damaged or interrupted by natural disasters, power loss, network failure, improper operation by our employees, security breaches, computer viruses, intentional attacks by third parties or other unexpected events. Any disruption in the operation of our information systems could adversely impact our operations, which may affect our financial condition, results of operations and cash flows.

Provisions of our articles of incorporation, bylaws and Pennsylvania law, as well as state and federal banking regulations, could delay or prevent a takeover of us by a third party.

Provisions in our articles of incorporation and bylaws, the corporate law of the Commonwealth of Pennsylvania, and state and federal regulations could delay, defer or prevent a third party from acquiring us, despite the possible benefit to our shareholders, or otherwise adversely affect the price of our common stock. These provisions include, among other things, advance notice requirements for proposing matters that shareholders may act on at shareholder meetings. In addition, under Pennsylvania law, we are prohibited from engaging in a

16

ITEM 1A. Risk Factors (Continued)

business combination with any interested shareholder for a period of five years from the date the person became an interested shareholder unless certain conditions are met. These provisions may discourage potential takeover attempts, discourage bids for our common stock at a premium over market price or adversely affect the market price of, and the voting and other rights of the holders of, our common stock.

ITEM 1B. Unresolved Staff Comments

None.

ITEM 2. Properties

Our principal office is located in the old Indiana County courthouse complex, consisting of the former courthouse building and the former sheriff’s residence and jail building for Indiana County. This certified Pennsylvania and national historic landmark was built in 1870 and restored by us in the early 1970s. We lease the complex from Indiana County pursuant to a lease agreement that was originally signed in 1973 and has a current term that expires in 2048.

The majority of our administrative personnel are also located in two owned buildings and one leased premise in Indiana, Pennsylvania, each of which is in close proximity to our principal office.

First Commonwealth Bank has 112 banking offices of which 27 are leased and 85 are owned. We also lease one loan production offices.

While these facilities are adequate to meet our current needs, available space is limited and additional facilities may be required to support future expansion. However, we have no current plans to lease, purchase or construct additional administrative facilities.

ITEM 3. Legal Proceedings

The information required by this Item is set forth in Part II, Item 8, Note 26, “Contingent Liabilities,” which is incorporated herein by reference in response to this item.

ITEM 4. Mine Safety Disclosures

Not applicable

Executive Officers of First Commonwealth Financial Corporation

The name, age and principal occupation for each of the executive officers of First Commonwealth Financial Corporation as of December 31, 2012 is set forth below:

I. Robert Emmerich, age 62, has served as Executive Vice President and Chief Credit Officer of First Commonwealth Bank since 2009. Prior to joining First Commonwealth, Mr. Emmerich was retired from a 31-year career at National City Corporation, where he most recently served as Executive Vice President & Chief Credit Officer for Consumer Lending.

Leonard V. Lombardi, age 53, has served as Executive Vice President and Chief Audit Executive of First Commonwealth Financial Corporation since January 1, 2009. He was formerly Senior Vice President / Loan Review and Audit Manager.

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Executive Officers of First Commonwealth Financial Corporation (Continued)

Norman J. Montgomery, age 45, has served as the Executive Vice President of Business Integration of First Commonwealth Bank since May 2011. He oversees First Commonwealth’s product development, marketing and business analysis functions and assumed oversight of First Commonwealth’s technology and operations functions in July 2012. He served as Senior Vice President/Business Integration of First Commonwealth Bank from September 2007 until May 2011 and previously held positions in the technology, operations and audit areas.

T. Michael Price, age 50, has served as President of First Commonwealth Bank since November 2007. On March 7, 2012, he began serving as President and Chief Executive Officer of First Commonwealth Financial Corporation. From January 1, 2012 to March 7, 2012, he served as Interim President and Chief Executive Officer of First Commonwealth Financial Corporation. He was formerly Chief Executive Officer of the Cincinnati and Northern Kentucky Region of National City Bank from July 2004 to November 2007 and Executive Vice President and Head of Small Business Banking of National City Bank prior to July 2004.

Robert E. Rout, age 61, joined First Commonwealth Financial Corporation as Executive Vice President and Chief Financial Officer in February 2010. Prior to joining First Commonwealth, Mr. Rout served as Chief Financial Officer and Secretary for S&T Bancorp, Inc. in Indiana, PA, since 1999 and as Chief Administrative Officer of S&T Bancorp, Inc. since April 2008.

Matthew C. Tomb, age 36, has served as Executive Vice President, Chief Risk Officer and General Counsel of First Commonwealth Financial Corporation since November 2010. He previously served as Senior Vice President / Legal and Compliance since September 2007. Before joining First Commonwealth, Mr. Tomb practiced law with Sherman & Howard L.L.C. in Denver, Colorado.

18

PART II

ITEM 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchase of Equity Securities

First Commonwealth is listed on the NYSE under the symbol “FCF.” As of December 31, 2012, there were approximately 9,002 holders of record of First Commonwealth’s common stock. The table below sets forth the high and low sales prices per share and cash dividends declared per share for common stock of First Commonwealth for each quarter during the last two fiscal years.

Period	High Sale		Low Sale		Cash Dividends Per Share
2012
First Quarter	$	6.68	$	5.47	$	0.03
Second Quarter		6.73		5.73		0.05
Third Quarter		7.55		6.67		0.05
Fourth Quarter		7.30		5.92		0.05

Period	High Sale		Low Sale		Cash Dividends Per Share
2011
First Quarter	$	7.36	$	6.11	$	0.03
Second Quarter		6.96		5.18		0.03
Third Quarter		5.89		3.66		0.03
Fourth Quarter		5.45		3.55		0.03

Federal and state regulations contain restrictions on the ability of First Commonwealth to pay dividends. For information regarding restrictions on dividends, see Part I, Item 1 “Business—Supervision and Regulation—Restrictions on Dividends” and Part II, Item 8, “Financial Statements and Supplementary Data—Note 28, Regulatory Restrictions and Capital Adequacy.” In addition, under the terms of the capital securities issued by First Commonwealth Capital Trust I, II, and III, First Commonwealth could not pay dividends on its common stock if First Commonwealth deferred payments on the junior subordinated debt securities which provide the cash flow for the payments on the capital securities.

19

ITEM 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchase of Equity Securities (Continued)

The following five-year performance graph compares the cumulative total shareholder return (assuming reinvestment of dividends) on First Commonwealth’s common stock to the KBW Regional Banking Index and the Russell 2000 Index. The stock performance graph assumes $100 was invested on December 31, 2007, and the cumulative return is measured as of each subsequent fiscal year end.

	Period Ending
Index	12/31/2007		12/31/2008		12/31/2009		12/31/2010		12/31/2011		12/31/2012
First Commonwealth Financial Corporation		100.00		123.31		47.39		72.88		55.32		73.75
Russell 2000		100.00		66.21		84.20		106.82		102.36		119.09
KBW Regional Banking Index		100.00		81.42		63.41		76.34		72.41		82.12

20

ITEM 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchase of Equity Securities (Continued)

Unregistered Sales of Equity Securities and Use of Proceeds

On June 19, 2012, the Company announced a share repurchase program through which the Board of Directors authorized management to repurchase up to $50.0 million of the Company’s common stock. The following table details the amount of shares repurchased under this program during the fourth quarter of 2012:

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
October 31, 2012		1,335,500	$	6.78		1,335,500		4,860,568
November 30, 2012		1,694,409		6.29		1,694,409		3,302,800
December 31, 2012		1,290,274		6.69		1,290,274		1,838,716
Total		4,320,183	$	6.56		4,320,183

* Remaining number of shares approved under the Plan is estimated based on the market value of the Company’s common stock of $6.55 at October 31, 2012, $6.41 at November 30, 2012 and $6.82 at December 31, 2012.

21

ITEM 6. 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 Consolidated Financial Statements and related notes.

	Periods Ended December 31,
	2012			2011			2010			2009			2008
	(dollars in thousands, except share data)
Interest income	$	219,075		$	231,545		$	268,360		$	293,281		$	327,596
Interest expense		30,146			41,678			61,599			86,771			138,998
Net interest income		188,929			189,867			206,761			206,510			188,598
Provision for credit losses		20,544			55,816			61,552			100,569			23,095
Net interest income after provision for credit losses		168,385			134,051			145,209			105,941			165,503
Net impairment losses		0			0			(9,193	)		(36,185	)		(13,011	)
Net securities gains		192			2,185			2,422			273			1,517
Other income		65,242			55,484			56,005			55,237			54,325
Other expenses		177,207			176,826			171,226			171,151			158,615
Income (Loss) before income taxes		56,612			14,894			23,217			(45,885	)		49,719
Income tax provision (benefit)		14,658			(380	)		239			(25,821	)		6,632
Net Income (Loss)	$	41,954		$	15,274		$	22,978		$	(20,064	)	$	43,087
Per Share Data—Basic
Net Income (Loss)	$	0.40		$	0.15		$	0.25		$	(0.24	)	$	0.58
Dividends declared	$	0.18		$	0.12		$	0.06		$	0.18		$	0.68
Average shares outstanding		103,885,396			104,700,227			93,197,225			84,589,780			74,477,795
Per Share Data—Diluted
Net Income (Loss)	$	0.40		$	0.15		$	0.25		$	(0.24	)	$	0.58
Average shares outstanding		103,885,663			104,700,393			93,199,773			84,589,780			74,583,236
At End of Period
Total assets	$	5,995,390		$	5,841,122		$	5,812,842		$	6,446,293		$	6,425,880
Investment securities		1,199,531			1,182,572			1,016,574			1,222,045			1,452,191
Loans and leases, net of unearned income		4,204,704			4,057,055			4,218,083			4,636,501			4,418,377
Allowance for credit losses		67,187			61,234			71,229			81,639			52,759
Deposits		4,557,881			4,504,684			4,617,852			4,535,785			4,280,343
Short-term borrowings		356,227			312,777			187,861			958,932			1,139,737
Subordinated debentures		105,750			105,750			105,750			105,750			105,750
Other long-term debt		174,471			101,664			98,748			168,697			183,493
Shareholders’ equity		746,007			758,543			749,777			638,811			652,779
Key Ratios
Return on average assets		0.71	%		0.27	%		0.37	%		(0.31	)%		0.70	%
Return on average equity		5.46			2.00			3.33			(3.06	)		7.45
Net loans to deposits ratio		90.78			88.70			89.80			100.42			101.99
Dividends per share as a percent of net income per share		44.57			82.26			23.72			NA			117.54
Average equity to average assets ratio		12.95			13.33			11.26			10.16			9.35

22

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations

The following discussion and analysis represents an overview of the financial condition and the results of operations of First Commonwealth and its subsidiaries, FCB, First Commonwealth Insurance Agency, Inc. (“FCIA”) and First Commonwealth Financial Advisors, Inc. (“FCFA”), as of and for the years ended December 31, 2012, 2011 and 2010. The purpose of this discussion is to focus on information concerning our financial condition and results of operations that is not readily apparent from the Consolidated Financial Statements. In order to obtain a clear understanding of this discussion, you should refer to the Consolidated Financial Statements, the notes thereto and other financial information presented in this Annual Report.

Company Overview

First Commonwealth provides a diversified array of consumer and commercial banking services through our bank subsidiary, FCB. We also provide trust and wealth management services through FCFA and insurance products through FCIA. At December 31, 2012, FCB operated 112 community banking offices throughout western Pennsylvania and one loan production office in downtown Pittsburgh, Pennsylvania.

Our consumer services include Internet, mobile and telephone banking, an automated teller machine network, personal checking accounts, interest-earning checking accounts, savings accounts, insured money market accounts, debit cards, investment certificates, fixed and variable rate certificates of deposit, secured and unsecured installment loans, construction and real estate loans, safe deposit facilities, credit lines with overdraft checking protection and IRA accounts. Commercial banking services include commercial lending, small and high-volume business checking accounts, on-line account management services, ACH origination, payroll direct deposit, commercial cash management services and repurchase agreements. We also provide a variety of trust and asset management services and a full complement of auto, home and business insurance as well as term life insurance. We offer annuities, mutual funds, stock and bond brokerage services through an arrangement with a broker-dealer and insurance brokers. Most of our commercial customers are small and mid-sized businesses in central and western Pennsylvania.

As a financial institution with a focus on traditional banking activities, we earn the majority of our revenue through net interest income, which is the difference between interest earned on loans and investments and interest paid on deposits and borrowings. Growth in net interest income is dependent upon balance sheet growth and maintaining or increasing our net interest margin, which is net interest income (on a fully taxable-equivalent basis) as a percentage of our average interest-earning assets. We also generate revenue through fees earned on various services and products that we offer to our customers and through sales of assets, such as loans, investments or properties. These revenue sources are offset by provisions for credit losses on loans, loss on sale or other-than-temporary impairments on investment securities, operating expenses and income taxes.

General economic conditions also affect our business by impacting our customers’ need for financing, thus affecting loan growth, and impacting the credit strength of existing and potential borrowers.

Critical Accounting Policies and Significant Accounting Estimates

First Commonwealth’s accounting and reporting policies conform to accounting principles generally accepted in the United States of America (“GAAP”) and predominant practice in the banking industry. The preparation of financial statements in accordance with GAAP requires management to make estimates, assumptions and judgments that affect the amounts reported in the financial statements and accompanying notes. Over time, these estimates, assumptions and judgments may prove to be inaccurate or vary from actual results and may significantly affect our reported results and financial position for the period presented or in future periods. We currently view the determination of the allowance for credit losses, fair value of financial instruments, goodwill and other intangible assets, and income taxes to be critical because they are highly dependent on subjective or complex judgments, assumptions and estimates made by management.

23

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Critical Accounting Policies and Significant Accounting Estimates (Continued)

Allowance for Credit Losses

We account for the credit risk associated with our lending activities through the allowance and provision for credit losses. The allowance represents management’s best estimate of probable losses that are inherent in our existing loan portfolio as of the balance sheet date. The provision is a periodic charge to earnings in an amount necessary to maintain the allowance at a level that is appropriate based on management’s assessment of probable estimated losses. Management determines and reviews with the Board of Directors the adequacy of the allowance on a quarterly basis in accordance with the methodology described below.

• Individual loans are selected for review in accordance with Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) Topic 310, “Receivables.” These are generally large balance commercial loans and commercial mortgages that are rated less than “satisfactory” based on our internal credit-rating process.

• We assess whether the loans identified for review in step one are “impaired,” which means that it is probable that all amounts will not be collected according to the contractual terms of the loan agreement, which generally represents loans that management has placed on nonaccrual status.

• For impaired loans we calculate the estimated fair value of the loans that are selected for review based on observable market prices, discounted cash flows or the value of the underlying collateral and record an allowance if needed.

• We then select pools of homogenous smaller balance loans having similar risk characteristics as well as unimpaired larger commercial loans for evaluation collectively under the provisions of FASB ASC Topic 450, “Contingencies.” These smaller balance loans generally include residential mortgages, consumer loans, installment loans and some commercial loans.

• FASB ASC Topic 450 loans are segmented into groups with similar characteristics and an allowance for credit losses is allocated to each segment based on recent loss history and other relevant information.

• We then review the results to determine the appropriate balance of the allowance for credit losses. This review includes consideration of additional factors, such as the mix of loans in the portfolio, the balance of the allowance relative to total loans and nonperforming assets, trends in the overall risk profile in the portfolio, trends in delinquencies and nonaccrual loans, and local and national economic information and industry data, including trends in the industries we believe are higher risk.

There are many factors affecting the allowance for credit losses; some are quantitative while others require qualitative judgment. These factors require the use of estimates related to the amount and timing of expected future cash flows, appraised values on impaired loans, collateral valuations for classified loans that are not impaired, estimated losses for each loan category based on historical loss experience and delinquency trends by category using a four to twenty quarter average, and consideration of current economic trends and conditions, all of which may be susceptible to significant judgment and change. To the extent that actual outcomes differ from estimates, additional provisions for credit losses could be required that could adversely affect our earnings or financial position in future periods. The loan portfolio represents the largest asset category on our Consolidated Statements of Financial Condition.

24

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Critical Accounting Policies and Significant Accounting Estimates (Continued)

Fair Values of Financial Instruments

FASB ASC Topic 820, “Fair Value Measurements and Disclosures,” establishes a framework for measuring fair value. 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 markets in which the assets and liabilities are traded and the reliability of the assumptions used to determine fair value.

Level 1 valuations are obtained from readily available pricing sources for market transactions involving identical assets or liabilities. Level 2 valuations are for instruments that trade in less active dealer or broker markets and incorporates values obtained for identical or comparable instruments. Level 3 valuations 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. Level 3 valuations incorporate certain assumptions and projections in determining the fair value assigned to each instrument.

Level 2 investment securities are valued by a recognized third party pricing service using observable inputs. Management validates the market values provided by the third party service by having another recognized pricing service price 100% of 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.

Level 3 investments include pooled trust preferred collateralized debt obligations. The fair values of these investments are determined by a specialized third party valuation service. 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 the specialized third party and by confirming changes in the underlying collateral to the trustee and underwriter 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.

Methodologies and estimates used by management when determining the fair value for pooled trust preferred collateralized debt obligations and testing those securities for other-than-temporary impairment are discussed in detail in Management’s Discussion and Analysis of Financial Condition and Results of Operations and in Note 11 “Impairment of Investment Securities” and Note 21 “Fair Values of Assets and Liabilities” of Notes to the Consolidated Financial Statements.

Goodwill and Other Intangible Assets

We consider our accounting policies related to goodwill and other intangible assets to be critical because the assumptions or judgment used in determining the fair value of assets and liabilities acquired in past acquisitions are subjective and complex. As a result, changes in these assumptions or judgment could have a significant impact on our financial condition or results of operations.

The fair value of acquired assets and liabilities, including the resulting goodwill, was based either on quoted market prices or provided by other third-party sources, when available. When third-party information was not available, estimates were made in good faith by management primarily through the use of internal cash flow modeling techniques. The assumptions that were used in the cash flow modeling were subjective and are susceptible to significant changes.

25

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Critical Accounting Policies and Significant Accounting Estimates (Continued)

Goodwill and Other Intangible Assets (Continued)

Goodwill and other intangible assets with indefinite useful lives are tested for impairment at least annually and written down and charged to results of operations only in periods in which the recorded value is more than the estimated fair value. Intangible assets that have finite useful lives will continue to be amortized over their useful lives and are periodically evaluated for impairment.

As of December 31, 2012, goodwill and other intangible assets were not considered impaired; however, changing economic conditions that may adversely affect our performance and stock price could result in impairment, which could adversely affect earnings in future periods. Our Step 1 goodwill impairment analysis as of November 30, 2012, determined that the fair value of our goodwill exceeded its carrying value by approximately 6%. An assessment of qualitative factors was completed as of December 31, 2012 and indicated that it is more likely than not that our fair value exceeded its carrying value.

Income Taxes

We estimate income tax expense based on amounts expected to be owed to the tax jurisdictions where we conduct business. On a quarterly basis, management assesses the reasonableness of its effective tax rate based upon its current estimate of the amount and components of net income, tax credits and the applicable statutory tax rates expected for the full year.

Deferred income tax assets and liabilities are determined using the asset and liability method and are reported in the Consolidated Statements of Financial Condition. Under this method, deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. If current available information raises doubt as to the realization of the deferred tax assets, a valuation allowance is established. Deferred tax assets and liabilities are measured using enacted tax rates expected to be applied to taxable income in the years in which those temporary differences are expected to be recovered or settled. Management assesses all available positive and negative evidence on a quarterly basis to estimate if sufficient future taxable income will be generated to utilize the existing deferred tax assets. The amount of future taxable income used in management’s valuation is based upon management approved forecasts, evaluation of historical earnings levels, proven ability to raise capital to support growth or during times of economic stress and consideration of prudent and feasible potential tax strategies. If future events differ from our current forecasts, a valuation allowance may be required, which could have a material impact on our financial condition and results of operations.

Accrued taxes represent the net estimated amount due to taxing jurisdictions and are reported in other liabilities in the Consolidated Statements of Financial Condition. Management evaluates and assesses the relative risks and appropriate tax treatment of transactions and filing positions after considering statutes, regulations, judicial precedent and other information and maintains tax accruals consistent with its evaluation of these relative risks and merits. Changes to the estimate of accrued taxes occur periodically due to changes in tax rates, interpretations of tax laws, the status of examinations being conducted by taxing authorities and changes to statutory, judicial and regulatory guidance. These changes, when they occur, can affect deferred taxes and accrued taxes, as well as the current period’s income tax expense and can be significant to our operating results.

Results of Operations—2012 Compared to 2011

Net Income

Net income for 2012 was $42.0 million, or $0.40 per diluted share, as compared to net income of $15.3 million, or $0.15 per diluted share, in 2011. The increase in 2012 performance was primarily the result of a $35.3 million

26

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Results of Operations—2012 Compared to 2011 (Continued)

Net Income (Continued)

decrease in provision expense, a decrease of $2.0 million related to loss on sale or write-down of assets, and a $7.4 million decrease in credit risk recognized on interest rate swaps. Partially offsetting the aforementioned items are a $0.9 million decrease in net interest income, a $2.0 million decrease in net securities gains, and a $3.6 million increase in operational losses.

Our return on average equity was 5.5% and return on average assets was 0.71% for 2012, compared to 2.0% and 0.27%, respectively, for 2011.

Average diluted shares for the year 2012 were 1% less than the comparable period in 2011 primarily due to the common stock buyback program that was authorized during 2012.

Net Interest Income

Net interest income, which is our primary source of revenue, is the difference between interest income from earning assets (loans and securities) and interest expense paid on liabilities (deposits, short-term borrowings and long-term debt). The amount of net interest income is affected by both changes in the level of interest rates and the amount and composition of interest-earning assets and interest-bearing liabilities. The net interest margin is expressed as the percentage of net interest income, on a fully taxable equivalent basis, to average interest-earning assets. To compare the tax exempt asset yields to taxable yields, amounts are adjusted to the pretaxable equivalent amounts based on the marginal corporate federal income tax rate of 35%. The taxable equivalent adjustment to net interest income for 2012 was $4.4 million compared to $5.5 million in 2011.

Net interest income, on a fully taxable equivalent basis, was $193.3 million for the year-ended December 31, 2012, a $2.1 million, or 1%, decrease compared to $195.4 million for the same period in 2011. The net interest margin, on a fully taxable equivalent basis decreased 19 basis points, or 5%, to 3.61% in 2012 from 3.80% in 2011. The net interest margin is affected by both changes in the level of interest rates and the amount and composition of interest-earning assets and interest-bearing liabilities.

During the year-ended December 31, 2012, the net interest margin has been challenged by the continuing low interest rate environment and decreasing rates earned on interest-earning assets. Despite a disciplined approach to pricing which has provided for maintaining the level of new volume spreads, runoff of existing assets which are earning higher interest rates has continued to provide for lower yields on earning assets. Growth in earning assets has helped to offset the impact of runoff, as average earning assets for the year increased $212.1 million, or 4%, compared to the comparable period in 2011. Positively impacting the net interest margin for the year 2012 was the recognition of $1.0 million in interest income related to the payoff of a loan that was previously in nonaccrual status and $0.5 million in interest income recognized as an adjustment of yield for a loan that was returned to accrual status. These contributed 3 basis points to the net interest margin for the year 2012. Given the current interest rate environment, it is expected that the challenges to the net interest margin will continue as $2.8 billion in interest-sensitive assets either reprice or mature over the next twelve months.

The taxable equivalent yield on interest-earning assets was 4.18% for the year-ended December 31, 2012, a decrease of 43 basis points from the 4.61% yield for the same period in 2011. This decline can be attributed to the repricing of our variable rate assets in a low rate environment as well as lower interest rates available on new investments and loans. Reductions in the cost of interest-bearing liabilities partially offset the impact of lower yields on interest-earning assets. The cost of interest-bearing liabilities was 0.70% for the year-ended December 31, 2012, compared to 0.99% for the same period in 2011.

27

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Results of Operations—2012 Compared to 2011 (Continued)

Net Interest Income (Continued)

Comparing the year-ended December 31, 2012 with the same period in 2011, changes in interest rates negatively impacted net interest income by $13.3 million. The lower yield on interest-earning assets adversely impacted net interest income by $22.7 million, while the decline in the cost of interest-bearing liabilities had a positive impact of $9.4 million. We have been able to partially mitigate the impact of lower interest rates and the effect on net interest income through improving the mix of deposits and borrowed funds, disciplined pricing strategies, loan growth and increasing our investment volumes within established interest rate risk management guidelines.

While decreases in interest rates and yields compressed the net interest margin, increases in average interest-earning assets and low cost average interest-bearing liabilities neutralized the effect on net interest income. Changes in the volumes of interest-earning assets and interest-bearing liabilities positively impacted net interest income by $11.3 million in the year-ended December 31, 2012 compared to the same period in 2011. Higher levels of interest-earning assets resulted in an increase of $9.2 million in interest income, while volume changes primarily attributed to the mix of deposits reduced interest expense by $2.1 million.

Positively affecting net interest income was a $97.2 million increase in average net free funds at December 31, 2012 as compared to December 31, 2011. 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 a $90.0 million increase in average noninterest-bearing demand deposits as a result of marketing promotions aimed at attracting new and retaining existing customers. Additionally, higher costing time deposits continue to runoff and reprice to lower costing certificates or other deposit alternatives. Average time deposits for the year-ended December 31, 2012 decreased $205.2 million, or 15%, compared to the comparable period in 2011. The positive change in deposit mix is expected to continue as $511.1 million in certificates of deposits either mature or reprice over the next twelve months.

The following table reconciles interest income in the Consolidated Statements of Income to net interest income adjusted to a fully taxable equivalent basis for the periods presented:

	For the Years Ended December 31,
	2012		2011		2010
	(dollars in thousands)
Interest income per Consolidated Statements of Income	$	219,075	$	231,545	$	268,360
Adjustment to fully taxable equivalent basis		4,392		5,500		9,174
Interest income adjusted to fully taxable equivalent basis (non-GAAP)		223,467		237,045		277,534
Interest expense		30,146		41,678		61,599
Net interest income adjusted to fully taxable equivalent basis (non-GAAP)	$	193,321	$	195,367	$	215,935

28

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Results of Operations—2012 Compared to 2011 (Continued)

Net Interest Income (Continued)

The following table provides information regarding the average balances and yields and rates on interest-earning assets and interest-bearing liabilities for the periods ended December 31:

	Average Balance Sheets and Net Interest Analysis
	2012								2011								2010
	Average Balance			Income / Expense (a)		Yield or Rate			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	$	4,329		$	6		0.14	%	$	26,477		$	64		0.24	%	$	37,043		$	94		0.25	%
Tax-free investment securities		271			18		6.64			4,852			328		6.76			120,239			8,025		6.67
Taxable investment securities		1,179,169			31,799		2.70			1,043,798			33,812		3.24			939,459			37,988		4.04
Loans, net of unearned income (b)(c)		4,165,292			191,644		4.60			4,061,822			202,841		4.99			4,467,338			231,427		5.18
Total interest-earning assets		5,349,061			223,467		4.18			5,136,949			237,045		4.61			5,564,079			277,534		4.99
Noninterest-earning assets:
Cash		75,044								75,071								77,259
Allowance for credit losses		(65,279	)							(76,814	)							(96,872	)
Other assets		581,321								593,248								592,612
Total noninterest-earning assets		591,086								591,505								572,999
Total Assets	$	5,940,147							$	5,728,454							$	6,137,078
Liabilities and Shareholders’ Equity
Interest-bearing liabilities:
Interest-bearing demand deposits (d)	$	645,970		$	286		0.04	%	$	607,756		$	515		0.08	%	$	622,171		$	751		0.12	%
Savings deposits (d)		1,921,417			4,233		0.22			1,877,321			7,252		0.39			1,800,418			12,171		0.68
Time deposits		1,138,112			16,935		1.49			1,343,281			25,729		1.92			1,596,088			36,923		2.31
Short-term borrowings		402,196			1,070		0.27			182,864			728		0.40			488,078			1,948		0.40
Long-term debt		202,598			7,622		3.76			184,185			7,454		4.05			236,939			9,806		4.14
Total interest-bearing liabilities		4,310,293			30,146		0.70			4,195,407			41,678		0.99			4,743,694			61,599		1.30
Noninterest-bearing liabilities and shareholders’ equity:
Noninterest-bearing demand deposits (d)		810,041								720,005								658,947
Other liabilities		50,859								49,163								43,413
Shareholders’ equity		768,954								763,879								691,024
Total noninterest-bearing funding sources		1,629,854								1,533,047								1,393,384
Total Liabilities and Shareholders’ Equity	$	5,940,147							$	5,728,454							$	6,137,078
Net Interest Income and Net Yield on Interest-Earning Assets				$	193,321		3.61	%				$	195,367		3.80	%				$	215,935		3.88	%

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

(b) Income on nonaccrual loans is accounted for on the cash basis, and the loan balances are included in interest-earning assets.

(c) Loan income includes loan fees.

(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.

29

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Results of Operations—2012 Compared to 2011 (Continued)

Net Interest Income (Continued)

The following table sets forth certain information regarding changes in net interest income attributable to changes in the volumes of interest-earning assets and interest-bearing liabilities and changes in the rates for the periods indicated:

	Analysis of Year-to-Year Changes in Net Interest Income
	2012 Change from 2011									2011 Change from 2010
	Total Change			Change Due To Volume			Change Due To Rate (a)			Total Change			Change Due To Volume			Change Due To Rate (a)
	(dollars in thousands)
Interest-earning assets:
Interest-bearing deposits with banks	$	(58	)	$	(53	)	$	(5	)	$	(30	)	$	(26	)	$	(4	)
Tax-free investment securities		(310	)		(310	)		0			(7,697	)		(7,696	)		(1	)
Taxable investment securities		(2,013	)		4,386			(6,399	)		(4,176	)		4,215			(8,391	)
Loans		(11,197	)		5,163			(16,360	)		(28,586	)		(21,006	)		(7,580	)
Total interest income (b)		(13,578	)		9,186			(22,764	)		(40,489	)		(24,513	)		(15,976	)
Interest-bearing liabilities:
Interest-bearing demand deposits		(229	)		31			(260	)		(236	)		(17	)		(219	)
Savings deposits		(3,019	)		172			(3,191	)		(4,919	)		523			(5,442	)
Time deposits		(8,794	)		(3,939	)		(4,855	)		(11,194	)		(5,840	)		(5,354	)
Short-term borrowings		342			877			(535	)		(1,220	)		(1,221	)		1
Long-term debt		168			746			(578	)		(2,352	)		(2,184	)		(168	)
Total interest expense		(11,532	)		(2,113	)		(9,419	)		(19,921	)		(8,739	)		(11,182	)
Net interest income	$	(2,046	)	$	11,299		$	(13,345	)	$	(20,568	)	$	(15,774	)	$	(4,794	)

(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 allowance for credit losses needed to absorb 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 provision for credit losses for the year 2012 totaled $20.5 million, a decrease of $35.3 million, or 63%, compared to the year 2011. This provision exceeded net credit losses for the year 2012 by $14.6 million.

30

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Results of Operations—2012 Compared to 2011 (Continued)

Provision for Credit Losses (Continued)

The table below provides a breakout of the provision for credit losses by loan category for the years ended December 31:

	2012					2011
	Dollars		Percentage			Dollars			Percentage
	(dollars in thousands)
Commercial, financial, agricultural and other	$	6,416		31	%	$	3,141			6	%
Real estate construction		5,191		26			16,685			30
Residential real estate		1,077		5			6,758			12
Commercial real estate		3,921		19			26,560			47
Loans to individuals		2,849		14			2,781			5
Unallocated		1,090		5			(109	)		0
Total	$	20,544		100	%	$	55,816			100	%

As evidenced by the table, the current year provision is largely the result of the commercial financial, agricultural and other, real estate construction and commercial real estate portions of the portfolio.

The provision for credit losses for commercial, financial, agricultural and other loans is primarily due to increases of $4.9 million in specific reserves related to three loan relationships that were placed in nonaccrual status during 2012. Of the $5.2 million provision for credit losses related to construction loans, $4.6 million can be attributed to the impact historical losses had on the allowance for loan loss calculation. The commercial real estate provision for credit losses can be attributed to specific reserves of $5.3 million related to two loan relationships that were placed in nonaccrual status during 2012. The $1.1 million unallocated provision for credit losses is a result of management’s analysis of certain qualitative factors impacting the reserve for credit losses and concern over the impact of the continued difficult economic conditions being experienced by our borrowers. This analysis included factors related primarily to portfolio risk and the impact of economic conditions on our portfolio.

The allowance for credit losses was $67.2 million, or 1.60%, of total loans outstanding at December 31, 2012, compared to $61.2 million, or 1.51%, at December 31, 2011. Nonperforming loans as a percentage of total loans decreased to 2.56% at December 31, 2012 from 2.76% at December 31, 2011. The allowance to nonperforming loan ratio was 62% as of December 31, 2012 and 2011. The decline in net charge-offs for the year contributed to the lower level of provision for credit losses for the year-ended December 31, 2012.

Net credit losses were $14.6 million for the year-ended December 31, 2012 compared to $65.8 million for the same period in 2011. The most significant credit losses recognized during the year-ended December 31, 2012, were a $2.2 million partial charge-off of a construction loan for a Florida condominium project and a $1.2 million partial charge-off of a commercial borrower in the shallow gas well business. Net credit losses during the period did not include any other significant individual charge-offs.

The provision is a result of management’s assessment of credit quality statistics and other factors that would have an impact on probable losses in the loan portfolio and the methodology used for determination of the adequacy of the allowance for credit losses. The change in the allowance for credit losses is consistent with the increase in estimated losses within the loan portfolio determined by factors including certain loss events, portfolio migration analysis, historical loss experience, delinquency trends, deterioration in collateral values and volatility in the economy. Management believes that the allowance for credit losses is at a level deemed sufficient to absorb losses inherent in the loan portfolio at December 31, 2012.

31

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Results of Operations—2012 Compared to 2011 (Continued)

Provision for Credit Losses (Continued)

A detailed analysis of our credit loss experience for the previous five years is shown below:

	2012			2011			2010			2009			2008
	(dollars in thousands)
Loans outstanding at end of year	$	4,204,704		$	4,057,055		$	4,218,083		$	4,636,501		$	4,418,377
Average loans outstanding	$	4,165,292		$	4,061,822		$	4,467,338		$	4,557,227		$	4,084,506
Balance, beginning of year		61,234			71,229			81,639			52,759			42,396
Loans charged off:
Commercial, financial, agricultural and other		5,207			7,114			22,293			20,536			3,640
Real estate construction		3,601			28,886			41,483			36,892			67
Residential real estate		3,828			4,107			5,226			4,604			2,529
Commercial real estate		851			24,861			2,466			7,302			3,479
Loans to individuals		3,482			3,325			3,841			4,378			4,166
Total loans charged off		16,969			68,293			75,309			73,712			13,881
Recoveries of loans previously charged off:
Commercial, financial, agricultural and other		443			473			2,409			448			426
Real estate construction		582			955			0			0			0
Residential real estate		422			132			252			81			14
Commercial real estate		410			349			163			914			187
Loans to individuals		521			573			523			580			522
Total recoveries		2,378			2,482			3,347			2,023			1,149
Net credit losses		14,591			65,811			71,962			71,689			12,732
Provision charged to expense		20,544			55,816			61,552			100,569			23,095
Balance, end of year	$	67,187		$	61,234		$	71,229		$	81,639		$	52,759
Ratios:
Net credit losses as a percentage of average loans outstanding		0.35	%		1.62	%		1.61	%		1.57	%		0.31	%
Allowance for credit losses as a percentage of end-of-period loans outstanding		1.60	%		1.51	%		1.69	%		1.76	%		1.19	%

32

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Results of Operations—2012 Compared to 2011 (Continued)

Noninterest Income

The components of noninterest income for each year in the three-year period ended December 31 are as follows:

									2012 compared to 2011
	2012		2011			2010			$ Change			% Change
	(dollars in thousands)
Noninterest Income:
Trust income	$	6,206	$	6,498		$	5,897		$	(292	)		(4	)%
Service charges on deposit accounts		14,743		14,775			16,968			(32	)		(0	)
Insurance and retail brokerage commissions		6,272		6,376			6,369			(104	)		(2	)
Income from bank owned life insurance		5,850		5,596			5,331			254			5
Card related interchange income		13,199		11,968			10,459			1,231			10
Other income		13,610		12,803			10,016			807			6
Subtotal		59,880		58,016			55,040			1,864			3
Net impairment losses		0		0			(9,193	)		0			0
Net securities gains		192		2,185			2,422			(1,993	)		(91	)
Gain on sale of assets		4,607		4,155			824			452			11
Derivatives mark to market		755		(6,687	)		141			7,442			(111	)
Total noninterest income	$	65,434	$	57,669		$	49,234		$	7,765			13	%

Noninterest income, excluding gains and losses on sales, impairment losses on assets and derivatives mark to market increased $1.9 million, or 3%, in 2012. The most significant changes included increases in card related interchange income and other income. The increase in card related interchange income can be attributed to both growth in the number deposit customers as well as continued increases in electronic payments by our customers. The increase in other income is primarily attributable to a $1.9 million termination fee related to the dissolution of a mortgage banking joint venture with another financial institution. As a result, the Company is exploring other strategic options related to the origination of residential mortgages. Also contributing to the increase in other income are fees earned on interest rate swaps. The fees earned on these swaps are based on the notional value of the initiated contracts. In comparison, 14 swaps with a notional value of $117.2 million were entered into during the year-ended December 31, 2012 and provided income of $1.3 million, while 9 swaps with a notional value of $44.9 million were entered into during the same period in 2011, providing income of $0.6 million. Offsetting these increases in other income was a decrease of $0.9 million in letter of credit fees.

Total noninterest income increased $7.8 million or 13%. The most notable change in this total is a $7.4 million increase in the mark-to-market adjustment recognized on derivatives. This increase is primarily the result of $0.8 million of income recognized in relation to the mark-to-market adjustment on interest rate derivatives during 2012 while a $6.7 million decline in income was recognized during the same period in 2011. The 2011decline in income was the result of an adverse mark-to-market adjustment related to credit deterioration for one commercial relationship. The 2012 income is a result of changes in the credit default curves over time as well as improvement in the counterparty credit risk related to one interest rate swap.

The gain on sale of assets for the year 2012 totaled $4.6 million, of which $2.9 million related to the sale of three loans transferred to held for sale in the fourth quarter of 2011. The sale of these loans were completed in the first and second quarters of 2012. For the year 2011, the gain on sale of assets included a $1.1 million gain on the sale of a private equity investment and $2.4 million in gains related to the sale of other real estate owned.

Comparing the year 2012 to the year 2011, net securities gains decreased $2.0 million as the result of a $1.5 million gain recognized in 2011 from the sale of an equity security.

33

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Results of Operations—2012 Compared to 2011 (Continued)

Noninterest Expense

The components of noninterest expense for each year in the three-year period ended December 31 are as follows:

							2012 compared to 2011
	2012		2011		2010		$ Change			% Change
	(dollars in thousands)
Noninterest Expense:
Salaries and employee benefits	$	86,069	$	84,669	$	84,988	$	1,400			2	%
Net occupancy expense		13,255		14,069		14,271		(814	)		(6	)
Furniture and equipment expense		12,460		12,517		12,568		(57	)		(0	)
Data processing expense		7,054		6,027		5,671		1,027			17
Pennsylvania shares tax expense		5,706		5,480		5,455		226			4
Intangible amortization		1,467		1,534		2,031		(67	)		(4	)
Collection and repossession expense		5,756		7,583		4,430		(1,827	)		(24	)
Other professional fees and services		4,329		5,297		4,131		(968	)		(18	)
FDIC insurance		5,032		5,490		7,948		(458	)		(8	)
Other operating expenses		24,318		23,953		26,437		365			2
Subtotal		165,446		166,619		167,930		(1,173	)		(1	)
Loss on sale or write-down of assets		7,394		9,428		2,715		(2,034	)		(22	)
Operational losses		4,367		779		581		3,588			461
Total noninterest expense	$	177,207	$	176,826	$	171,226	$	381			0	%

Total noninterest expense remained relatively consistent for the year 2012 in comparison to the year 2011. However, several categories reflected large variances in the level of expense.

During the third quarter of 2012, the Company experienced a $3.5 million charge in connection with fraudulent wire transfers involving the breach of a commercial client’s computer system to gain access to our online banking system. However, there was no breach to our systems. The full amount of the loss has been recognized and an insurance claim, with up to a $0.5 million deductible, has been filed. The outcome of that claim has not been determined, therefore a receivable has not been recognized. In addition, various recovery strategies are currently being pursued.

Salary and employee benefits expense increased compared to the same period of 2011 as a result of normal merit increases, the hiring of additional business development professionals and higher levels of employee incentive payments related to increased loan and deposit volumes. New loans originated during the year-ended December 31, 2012 totaled $1.3 billion compared to $1.0 billion in the same period of 2011. The number of full-time equivalent employees decreased 47 positions from 1,442 at December 31, 2011 to 1,395 at December 31, 2012.

Increases in data processing expense can be attributed primarily to increased costs related to the higher level of customer debit card usage as electronic transactions continue to increase year over year.

Collection and repossession expense decreased in 2012 compared to 2011 primarily due to the resolution of certain problem credits.

Although the loss on sale or write-down of assets decreased for the year 2012, it remains high compared to historical levels. The expense for the year 2012 is primarily related to write-downs taken on three OREO properties upon receipt of updated appraisals.

34

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Results of Operations—2012 Compared to 2011 (Continued)

Income Tax

The provision for income taxes was $14.7 million in 2012 compared to a benefit of $0.4 million in 2011 mostly due to a 280% or $41.7 million increase in pretax income.

The effective tax rate was 26% for the tax expense in 2012 and 3% for the tax benefit in 2011. We ordinarily 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 consistent level of tax benefits that reduce our tax rate below the 35% statutory rate and the relatively low level of annual pretax income produced a low effective tax rate for 2012 and a tax benefit for 2011.

Financial Condition

First Commonwealth’s total assets increased by $154.3 million in 2012. Loans increased $161.1 million, or 4%, and investments increased $28.5 million, or 2%. Factors impacting loan growth include underwriting guidelines which limit geography and size for commercial loans, our goal to manage down large credit relationships, generally weak borrower demand and expected declines in the 1-4 family mortgage loan portfolio. Underwriting guidelines provide little flexibility on exceptions and robust monitoring for loan to value, cash flow coverage, debt/equity and other credit quality measurement tools. Geographic limitations include restricting consumer and small business loans to Pennsylvania counties in which First Commonwealth has a branch or loan production office presence; commercial real estate and commercial loan markets were prescribed within a 250 mile radius of First Commonwealth’s headquarters location in Indiana, Pennsylvania. Commercial and industrial loan syndications are unlimited geographically in the United States for select, high quality industry segments in which we have expertise.

In 2005, First Commonwealth implemented a strategic decision to exit the residential mortgage business, satisfying customer requests for these loans through a joint venture or home equity loans. As a result, the residential mortgage portfolio is projected to decline approximately $60 million annually, consistent with 2012, through regularly scheduled repayments and payoffs. In 2012, the mortgage banking joint venture was terminated and other strategic alternatives for the offering of mortgage related products are currently being evaluated.

During 2012, approximately $574.8 million in investments securities were called or matured. These securities were higher yielding securities and contributed to the decline in yield earned on the portfolio. As a result, $354.8 million in asset-backed securities and $250.6 million in agency securities were purchased in 2012 to help increase earnings from the portfolio with a reduced risk profile.

First Commonwealth’s total liabilities increased $166.8 million, or 3%, in 2012. Deposit growth of $53.2 million, or 1%, was augmented by an increase in short-term borrowings of $43.5 million, or 14 % and an increase in long-term debt of $72.8 million, or 72%.

We periodically utilize short-term and long-term borrowings to fund the origination of new loans as well as the purchase of investments. Long-term borrowings were obtained in 2012 as an asset / liability management strategy to mitigate the risk of higher rates in the future and to take advantage of attractive interest rates in the wholesale funding market. The decrease in interest paid on borrowings as well as lower rates being paid on deposits has helped to mitigate the contracting pressure on the net interest yield on interest-earning assets and interest-bearing liabilities.

35

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Financial Condition (Continued)

Loan Portfolio

Following is a summary of our loan portfolio as of December 31:

	2012					2011					2010					2009					2008
	Amount		%			Amount		%			Amount		%			Amount		%			Amount		%
	(dollars in thousands)
Commercial, financial, agricultural and other	$	1,019,822		24	%	$	996,739		25	%	$	913,814		22	%	$	1,127,320		25	%	$	1,146,411		26	%
Real estate construction		87,438		2			76,564		2			261,482		6			428,744		9			528,841		12
Residential real estate		1,241,565		30			1,137,059		28			1,127,273		27			1,202,386		26			1,199,819		27
Commercial real estate		1,273,661		30			1,267,432		31			1,354,074		32			1,320,715		28			1,047,506		24
Loans to individuals		582,218		14			565,849		14			561,440		13			557,336		12			495,800		11
Total loans and leases net of unearned income	$	4,204,704		100	%	$	4,043,643		100	%	$	4,218,083		100	%	$	4,636,501		100	%	$	4,418,377		100	%

The loan portfolio totaled $4.2 billion as of December 31, 2012, reflecting growth of $161.1 million or 4% compared to December 31, 2011. Loan growth was experienced in all categories, with the majority being recognized in the residential real estate portfolio as a result of a successful promotion related to our installment home equity product. Increases in commercial, financial, agricultural and other portfolio can be attributed to growth in direct middle market lending and syndications in Pennsylvania and contiguous states, while loans to individuals increased as a result of growth in indirect auto lending.

The majority of our loan portfolio is with borrowers located in Pennsylvania. As of December 31, 2012 and 2011, there were no concentrations of loans relating to any industry in excess of 10% of total loans.

As of December 31, 2012, criticized loans or loans designated OAEM, substandard, impaired or doubtful decreased $3.5 million, or 1%, from December 31, 2011. Criticized loans totaled $288.5 million at December 31, 2012 and represented 7% of the total loan portfolio. Additionally, delinquency on accruing loans decreased $13.7 million, or 39%, at December 31, 2012 compared to December 31, 2011. Of this amount, $6.7 million relates to delinquent consumer loans which were moved to nonaccrual status while the remainder of the decrease is the result of charge-offs, paydowns or payoffs of the loan balance. As of December 31, 2012, nonaccrual loans increased $16.0 million, or 2%, compared to December 31, 2011 partially due to the addition of the $6.7 million of consumer loans moved to nonaccrual status. Total gross charge-offs for the year ended December 31, 2012 were $17.0 million.

36

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Financial Condition (Continued)

Loan Portfolio (Continued)

Final loan maturities and rate sensitivities of the loan portfolio excluding consumer installment and mortgage loans and before unearned income at December 31, 2012 were as follows:

	Within One Year		One to 5 Years		After 5 Years		Total
	(dollars in thousands)
Commercial, financial, agricultural and other	$	40,765	$	663,575	$	210,718	$	915,058
Real estate construction		10,308		51,340		25,790		87,438
Commercial real estate		148,222		425,608		699,831		1,273,661
Other		8,959		23,431		72,374		104,764
Totals	$	208,254	$	1,163,954	$	1,008,713	$	2,380,921
Loans at fixed interest rates			$	261,926	$	184,074
Loans at variable interest rates				902,028		824,639
Totals			$	1,163,954	$	1,008,713

(a) The maturity of real estate construction loans include term commitments that follow the construction period. Loans with these term commitments will be moved to the commercial real estate category when the construction phase of the project is completed.

First Commonwealth has a regulatory established legal lending limit of $103.7 million to any one borrower or closely related group of borrowers, but has established lower thresholds for credit risk management.

Nonperforming Loans

Nonperforming loans include nonaccrual loans and restructured loans. Nonaccrual loans represent loans on which interest accruals have been discontinued. 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 under terms not available in the market.

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 typically placed in nonaccrual status when there is evidence of a significantly weakened financial condition or principal and interest is 90 days or more delinquent, except for consumer loans which are placed in nonaccrual status at 150 days past due. Interest received on a nonaccrual loan is normally applied as a reduction to loan principal rather than interest income utilizing the cost recovery methodology of revenue recognition.

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 are recognized when a loss is probable and the amount is reasonably estimable.

37

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Financial Condition (Continued)

Nonperforming Loans (Continued)

The following is a comparison of nonperforming and impaired assets and the effects on interest due to nonaccrual loans for the period ended December 31:

	2012			2011			2010			2009			2008
	(dollars in thousands)
Nonperforming Loans:
Loans on nonaccrual basis	$	43,539		$	33,635		$	84,741		$	147,937		$	55,922
Loans held for sale on nonaccrual basis		0			13,412			0			0			0
Troubled debt restructured loans on nonaccrual basis		50,979			44,841			31,410			0			0
Troubled debt restructured loans on accrual basis		13,037			20,276			1,336			619			132
Total nonperforming loans	$	107,555		$	112,164		$	117,487		$	148,556		$	56,054
Loans past due in excess of 90 days and still accruing	$	2,447		$	11,015		$	13,203		$	15,154		$	16,189
Other real estate owned	$	11,262		$	30,035		$	24,700		$	24,287		$	3,262
Loans outstanding at end of period	$	4,204,704		$	4,057,055		$	4,218,083		$	4,636,501		$	4,418,377
Average loans outstanding	$	4,165,292		$	4,061,822		$	4,467,338		$	4,557,227		$	4,084,506
Nonperforming loans as a percentage of total loans		2.56	%		2.76	%		2.79	%		3.20	%		1.27	%
Provision for credit losses	$	20,544		$	55,816		$	61,552		$	100,569		$	23,095
Allowance for credit losses	$	67,187		$	61,234		$	71,229		$	81,639		$	52,759
Net charge-offs	$	14,591		$	65,811		$	71,962		$	71,689		$	12,732
Net charge-offs as a percentage of average loans outstanding		0.35	%		1.62	%		1.61	%		1.57	%		0.31	%
Provision for credit losses as a percentage of net charge-offs		140.80	%		84.81	%		85.53	%		140.29	%		181.39	%
Allowance for credit losses as a percentage of end-of-period loans outstanding (a)		1.60	%		1.51	%		1.69	%		1.76	%		1.19	%
Allowance for credit losses as a percentage of nonperforming loans (a)		62.47	%		62.01	%		60.63	%		54.96	%		94.12	%
Gross income that would have been recorded at original rates	$	15,036		$	14,872		$	13,142		$	7,645		$	6,273
Interest that was reflected in income		369			1,393			30			13			9
Net reduction to interest income due to nonaccrual	$	14,667		$	13,479		$	13,112		$	7,632		$	6,264

(a) End of period loans and nonperforming loans exclude loans held for sale.

Nonperforming loans decreased $4.6 million to $107.6 million at December 31, 2012 compared to $112.2 million at December 31, 2011. The nonperforming loans as a percentage of total loans decreased to 2.6% from 2.8% at December 31, 2012 compared to December 31, 2011. Other real estate owned totaled $11.3 million at December 31, 2012, a decrease of $18.7 million compared to the $30.0 million balance at December 31, 2011. The most significant change in OREO during 2012 includes $7.0 million in write-downs as a result of updated

38

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Financial Condition (Continued)

Nonperforming Loans (Continued)

appraisals on the foreclosed properties and $6.5 million in proceeds received from the sale of a western Pennsylvania office complex. The most significant addition to OREO during 2012 was a $1.2 million parcel of land.

Also included in nonperforming loans are troubled debt restructured loans (“TDR’s”). TDR’s 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 under terms not available in the market. The $7.2 million decrease in accruing TDR’s during 2012 is primarily the result of an $11.3 million payoff of a loan to a waste management company in January 2012. Offsetting this decrease are new accruing TDR’s including a $3.4 million loan to a gas well servicing operation and a $3.2 million commercial real estate loan. For additional information on TDR’s please refer to Note 12 “Loans and Allowance for Credit Losses.”

Net credit losses were $14.6 million in 2012 compared to $65.8 million for the year 2011. The most significant credit losses recognized during the year were a $2.2 million partial charge-off of a construction loan for a Florida condominium project and a $1.2 million partial charge-off of a commercial borrower in the shallow gas well business. Additional detail on credit risk is included in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” under “Credit Risk” on page 47.

Provision for credit losses as a percentage of net charge-offs increased from 84.81% for the year ended December 31, 2011 to 140.80% for the year ended December 31, 2012, due to the decline in the amount of charge-offs recognized year over year.

Nonperforming Securities

The following is a comparison of nonperforming securities for the period ended December 31:

	2012		2011		2010		2009		2008
	(dollars in thousands)
Nonperforming Securities:
Nonaccrual securities at market value	$	0	$	0	$	15,823	$	3,258	$	0

As of December 31, 2012 and 2011, respectively, none of the pooled trust preferred collateralized debt obligations were considered to be nonperforming securities. These securities were returned to performing status in 2011 because of evidence supporting management’s estimate of future cash flows indicating that all remaining principal and interest will be received. Support for these estimates include; no other-than-temporary impairment charges since the third quarter of 2010, improvement in the underlying collateral of these bonds evidenced by a reduced level of new interest payment deferrals and principal defaults as well as an increase in actual cures of deferring collateral.

39

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Financial Condition (Continued)

Allowance for Credit Losses

Following is a summary of the allocation of the allowance for credit losses at December 31:

	2012						2011						2010						2009						2008
	Allowance Amount			% (a)			Allowance Amount			% (a)			Allowance Amount			% (a)			Allowance Amount			% (a)			Allowance Amount			% (a)
	(dollars in thousands)
Commercial, financial, agricultural and other	$	19,852			24	%	$	18,200			25	%	$	21,700			22	%	$	31,369			25	%	$	17,558			26	%
Real estate construction		8,928			2			6,756			2			18,002			6			18,224			9			12,961			12
Residential real estate		5,908			30			8,237			28			5,454			27			5,847			26			4,347			27
Commerical real estate		22,441			30			18,961			31			16,913			32			17,526			28			9,424			24
Loans to individuals		4,132			14			4,244			14			4,215			13			4,731			12			4,195			11
Unallocated		5,926			N/A			4,836			N/A			4,945			N/A			3,942			N/A			4,274			N/A
Total	$	67,187					$	61,234					$	71,229					$	81,639					$	52,759
Allowance for credit losses as percentage of end-of-period loans outstanding		1.60	%					1.51	%					1.69	%					1.76	%					1.19	%

(a) Represents the percentage of loans in each category to total loans.

The allowance for credit losses increased $6.0 million from December 31, 2011 to December 31, 2012 and the allowance for credit losses as a percentage of end-of-period loans outstanding was 1.60% at December 31, 2012 compared to 1.51% at December 31, 2011. The majority of the 2012 change in the allowance for credit losses, or $4.4 million of the total $6.0 million change, can be attributed to $5.3 million in specific reserves established for two commercial real estate loans. The allowance for credit losses includes both a general reserve for performing loans and specific reserves for nonperforming loans. Comparing December 31, 2012 to December 31, 2011, the general reserve for performing loans decreased from 1.21% to 1.19% of total performing loans. Specific reserves increased from 13.4% of nonperforming loans at December 31, 2011 to 16.5% of nonperforming loans at December 31, 2012. The increase in specific reserves held is a direct result of the previously mentioned commercial real estate loans as well as $4.9 million in specific reserves established for three commercial, financial, agricultural and other loans. The allowance for credit losses as a percentage of nonperforming loans was 62% at both December 31, 2012 and 2011.

The allowance for credit losses represents management’s estimate of probable losses inherent in the loan portfolio at a specific point in time. This estimate includes losses associated with specifically identified loans, as well as estimated probable credit losses inherent in the remainder of the loan portfolio. Additions are made to the allowance through both periodic provisions charged to income and recoveries of losses previously incurred. Reductions to the allowance occur as loans are charged off. Management evaluates the adequacy of the allowance at least quarterly, and in doing so relies on various factors including, but not limited to, assessment of historical loss experience, delinquency and nonaccrual trends, portfolio growth, net realizable value of collateral and current economic conditions. This evaluation is subjective and requires material estimates that may change over time. For a description of the methodology used to calculate the allowance for credit losses, please refer to “Critical Accounting Policies and Significant Accounting Estimates—Allowance for Credit Losses.”

Management reviews local and national economic information and industry data, including the trends in the industries we believe are indicative of higher risk to our portfolio. Factors reviewed by management include

40

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Financial Condition (Continued)

Allowance for Credit Losses (Continued)

employment trends, macroeconomic trends, commercial real estate trends and the overall lending environment. Based on this review, an allocation is made to the allowance for credit and is reflected in the “unallocated” line of the previous table.

Investment Portfolio

Marketable securities that we hold in our investment portfolio, which are classified as “securities available for sale,” may be a source of liquidity; however, we do not anticipate liquidating the investments prior to maturity. As indicated in Note 21 “Fair Values of Assets and Liabilities,” $24.8 million of available for sale securities at December 31, 2012, are classified as Level 3 assets because of inactivity in the market.

Following is a detail schedule of the amortized cost of securities available for sale as of December 31:

	2012		2011		2010
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities—Residential	$	27,883	$	32,139	$	36,719
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities—Residential		839,102		771,196		618,454
Mortgage-Backed Securities—Commercial		148		193		233
Other Government-Sponsored Enterprises		241,970		267,807		184,531
Obligations of States and Political Subdivisions		82		444		47,175
Corporate Securities		6,703		11,811		21,226
Pooled Trust Preferred Collateralized Debt Obligations		51,866		54,762		58,780
Total Debt Securities		1,167,754		1,138,352		967,118
Equities		1,859		1,860		5,137
Total Securities Available for Sale	$	1,169,613	$	1,140,212	$	972,255

As of December 31, 2012, securities available for sale had a fair value of $1.2 billion. Gross unrealized gains were $30.7 million and gross unrealized losses were $29.0 million.

The following is a schedule of the contractual maturity distribution of securities available for sale at December 31, 2012.

	U.S. Government Agencies and Corporations		States and Political Subdivisions		Other Securities		Total Amortized Cost (a)		Weighted Average Yield*
	(dollars in thousands)
Within 1 year	$	3,397	$	0	$	0	$	3,397		4.11	%
After 1 but within 5 years		255,804		82		0		255,886		1.03
After 5 but within 10 years		95,716		0		0		95,716		4.16
After 10 years		754,186		0		58,569		812,755		2.78
Total	$	1,109,103	$	82	$	58,569	$	1,167,754		2.51	%

(a) Equities are excluded from this schedule because they have an indefinite maturity.

* Yields are calculated on a taxable equivalent basis.

41

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Financial Condition (Continued)

Investment Portfolio (Continued)

Mortgage backed securities, which include mortgage backed obligations of U.S. Government agencies and obligations of U.S. Government-sponsored enterprises, have contractual maturities ranging from less than one year to approximately 30 years and have anticipated average lives to maturity ranging from less than one year to approximately thirteen years.

The amortized cost of the investment portfolio increased $29.4 million, or 2.6%, at December 31, 2012 compared to December 31, 2011. All categories of investments decreased, except for Obligations of U.S. Government sponsored enterprises which increased $42.0 million, or 4%. These securities were purchased in an effort to increase the earnings from investments while keeping the risk of the portfolio at a lower level.

Our investment portfolio includes an amortized cost of $51.9 million in pooled trust preferred collateralized debt obligations at December 31, 2012. The valuation of these securities involves evaluating relevant credit and structural aspects, determining appropriate performance assumptions and performing a discounted cash flow analysis.

See Note 8 “Securities Available for Sale,” Note 9 “Securities Held to Maturity,” Note 10 “Other Investments,” Note 11 “Impairment of Investment Securities,” and Note 21 “Fair Values of Assets and Liabilities” for additional information related to the investment portfolio.

Deposits

Total deposits increased $53.2 million, or 1%, in 2012, primarily due to an increase in lower cost transaction and savings deposits of $218.1 million, offset by a decrease in time deposits of $164.9 million. As the interest rate paid on deposits remains at historically low levels, customers continue to migrate towards shorter term, more liquid investments.

Time deposits of $100 thousand or more had remaining maturities as follows as of the end of each year in the three-year period ended December 31:

	2012					2011					2010
	Amount		%			Amount		%			Amount		%
	(dollars in thousands)
3 months or less	$	103,102		32	%	$	76,356		24	%	$	94,957		24	%
Over 3 months through 6 months		58,680		18			43,299		13			65,560		17
Over 6 months through 12 months		31,863		10			50,296		16			60,658		16
Over 12 months		128,798		40			151,213		47			165,576		43
Total	$	322,443		100	%	$	321,164		100	%	$	386,751		100	%

Short-Term Borrowings and Long-Term Debt

Short-term borrowings increased $43.5 million, or 14%, from $312.8 million as of December 31, 2011 to $356.2 million at December 31, 2012. Long-term debt increased $72.8 million, or 35%, from $207.4 million at December 31, 2011 to $280.2 million at December 31, 2012. The increase in both of these areas was to take advantage of attractive interest rates in the wholesale funding markets as an alternative to certificates of deposit. For additional information concerning our short-term borrowings, subordinated debentures and other long-term debt, please refer to Note 18 “Short-term Borrowings,” Note 19 “Subordinated Debentures” and Note 20 “Other Long-term Debt” of the Consolidated Financial Statements.

42

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Financial Condition (Continued)

Contractual Obligations and Off-Balance Sheet Arrangements

The table below sets forth our contractual obligations to make future payments as of December 31, 2012. For a more detailed description of each category of obligation, refer to the note in our Consolidated Financial Statements indicated in the table below.

	Footnote Number Reference		1 Year or Less		After 1 But Within 3 Years		After 3 But Within 5 Years		After 5 Years		Total
	(dollars in thousands)
FHLB Advances		20	$	29,968	$	137,822	$	792	$	5,734	$	174,316
Subordinated debentures		19		0		0		0		105,750		105,750
Operating leases		15		3,548		6,163		5,339		17,070		32,120
Total contractual obligations			$	33,516	$	143,985	$	6,131	$	128,554	$	312,186

The table above excludes unamortized premiums and discounts on FHLB advances because these premiums and discounts do not represent future cash obligations. The table also excludes our cash obligations upon maturity of certificates of deposit, which is set forth in Note 17 “Interest-Bearing Deposits” of the Consolidated Financial Statements.

In addition, see Note 14 “Commitments and Letters of Credit” for detail related to our off-balance sheet commitments to extend credit, financial standby letters of credit, performance standby letters of credit and commercial letters of credit as of December 31, 2012. Commitments to extend credit, standby letters of credit and commercial letters of credit do not necessarily represent future cash requirements since it is unknown if the borrower will draw upon these commitments and often these commitments expire without being drawn upon. As of December 31, 2012, a reserve for probable losses of $2.4 million was recorded for unused commitments and letters of credit.

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. Liquidity risk arises from the possibility that we may not be able to meet our financial obligations and operating cash needs or may become overly reliant upon external funding sources. In order to manage this risk, our Board of Directors has established a Liquidity Policy that identifies primary sources of liquidity, establishes procedures for monitoring and measuring liquidity and quantifies minimum liquidity requirements based on limits approved by our Board of Directors. This policy designates our Asset/Liability Committee (“ALCO”) as the body responsible for meeting these objectives. The ALCO, which includes members of executive management, reviews liquidity on a periodic basis and approves significant changes in strategies that affect balance sheet or cash flow positions. Liquidity is centrally managed on a daily basis by our Treasury Department who monitors it by using such measures as liquidity coverage ratios, liquidity gap ratios and noncore funding ratios.

We generate funds to meet our cash flow needs primarily through the core deposit base of FCB and the maturity or repayment of loans and other interest-earning assets, including investments. 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 sometimes 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

43

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Liquidity (Continued)

market mutual funds. Deposits increased $53.2 million, or 1%, during 2012, and comprised 87% of total liabilities at December 31, 2012, as compared to 89% at December 31, 2011. Proceeds from the maturity and redemption of investment securities totaled $574.8 million during 2012 and provided liquidity to fund loans as well as the purchase of additional investment securities. We also have available unused wholesale sources of liquidity, including overnight federal funds and repurchase agreements, advances from the Federal Home Loan Bank of Pittsburgh, borrowings through the discount window at the Federal Reserve Bank of Cleveland and access to certificates of deposit through brokers. We have increased our borrowing capacity at the Federal Reserve by establishing a Borrower-in-Custody of Collateral arrangement that enables us to pledge certain loans, not being used as collateral at the Federal Home Loan Bank, as collateral for borrowings at the Federal Reserve. At December 31, 2012 our borrowing capacity at the Federal Reserve related to this program was $795.2 million and there were no amounts outstanding. Additionally, as of December 31, 2012, our maximum borrowing capacity at the Federal Home Loan Bank of Pittsburgh was $1.4 billion and as of that date amounts used against this capacity included $352.4 million in outstanding borrowings and $26.0 million in letter of credit commitments used for pledging public funds and other non-deposit purposes.

We participate in the Certificate of Deposit Account Registry Services (“CDARS”) program as part of an ALCO strategy to increase and diversify funding sources. As of December 31, 2012, our maximum borrowing capacity under this program was $892.8 million and as of that date there was $70.2 million outstanding. We also participate in 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 December 31, 2012, our outstanding certificates of deposits from this program have an average weighted rate of 0.31% and an average original term of 95 days.

First Commonwealth has an unsecured $15.0 million line of credit with another financial institution. There are no amounts outstanding on this line as of December 31, 2012. As of December 31, 2012, we are in compliance with all debt covenants related to this agreement.

Refer to “Financial Condition” above for additional information concerning our deposits, loan portfolio, investment securities and borrowings.

Market Risk

Market risk refers to potential losses arising from changes in interest rates, foreign exchange rates, equity prices and commodity prices. Our market risk is composed primarily of interest rate risk. Interest rate risk is comprised of repricing risk, basis risk, yield curve risk and options risk. Repricing risk arises from differences in the cash flow or repricing between asset and liability portfolios. Basis risk arises when asset and liability portfolios are related to different market rate indices, which do not always change by the same amount. Yield curve risk arises when asset and liability portfolios are related to different maturities on a given yield curve; when the yield curve changes shape, the risk position is altered. Options risk arises from “embedded options” within asset and liability products as certain borrowers have the option to prepay their loans when rates fall, while certain depositors can redeem or withdraw their deposits early when rates rise.

The process by which we manage our interest rate risk is called asset/liability management. The goals of our asset/liability management are increasing net interest income without taking undue interest rate risk or material loss of net market value of our equity, while maintaining adequate liquidity. Net interest income is increased by growing earning assets and increasing the difference between the rate earned on earning assets and the rate paid on interest-bearing liabilities. Liquidity is measured by the ability to meet both depositors’ and credit customers’ requirements.

44

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Market Risk (Continued)

We use an asset/liability model to measure our interest rate risk. Interest rate risk measures include earnings simulation and gap analysis. Gap analysis is a static measure that does not incorporate assumptions regarding future business. Gap analysis, while a helpful diagnostic tool, displays cash flows for only a single rate environment. Net interest income simulations explicitly measure the exposure to earnings from changes in market rates of interest. Our current financial position is combined with assumptions regarding future business to calculate net interest income under various hypothetical rate scenarios. Our net interest income simulations assume a level balance sheet whereby new volumes equal run-offs. The ALCO reviews earnings simulations over multiple years under various interest rate scenarios. Reviewing these various measures provides us with a reasonably comprehensive view of our interest rate profile.

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 0.76 at both December 31, 2012 and 2011, respectively. A ratio of less than one indicates a higher level of repricing liabilities over repricing assets over the next twelve months.

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. Rate sensitive assets to rate sensitive liabilities repricing in one year would indicate reduced net interest income in a rising interest rate scenario, and conversely, increased net interest income in a declining interest rate scenario.

Following is the gap analysis as of December 31:

	2012
	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	$	1,950,002		$	222,705		$	297,530		$	2,470,237		$	1,436,472		$	203,477
Investments		61,914			78,904			142,411			283,229			579,320			328,546
Other interest-earning assets		4,258			0			0			4,258			0			0
Total interest-sensitive assets (ISA)		2,016,174			301,609			439,941			2,757,724			2,015,792			532,023
Certificates of deposit		208,096			176,556			126,490			511,142			512,040			9,477
Other deposits		2,641,953			0			0			2,641,953			0			0
Borrowings		428,545			29,703			230			458,478			138,652			39,318
Total interest-sensitive liabilities (ISL)		3,278,594			206,259			126,720			3,611,573			650,692			48,795
Gap	$	(1,262,420	)	$	95,350		$	313,221		$	(853,849	)	$	1,365,100		$	483,228
ISA/ISL		0.61			1.46			3.47			0.76			3.10			10.90
Gap/Total assets		21.06	%		1.59	%		5.23	%		14.24	%		22.77	%		8.06	%

45

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Market Risk (Continued)

	2011
	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	$	1,859,623		$	156,447		$	287,873		$	2,303,943		$	1,486,729		$	174,495
Investments		125,112			107,723			205,335			438,170			418,413			320,739
Other interest-earning assets		3,511			0			0			3,511			0			0
Total interest-sensitive assets (ISA)		1,988,246			264,170			493,208			2,745,624			1,905,142			495,234
Certificates of deposit		154,218			192,154			323,085			669,457			517,572			10,531
Other deposits		2,526,747			0			0			2,526,747			0			0
Borrowings		386,683			25,147			299			412,129			68,334			39,728
Total interest-sensitive liabilities (ISL)		3,067,648			217,301			323,384			3,608,333			585,906			50,259
Gap	$	(1,079,402	)	$	46,869		$	169,824		$	(862,709	)	$	1,319,236		$	444,975
ISA/ISL		0.65			1.22			1.53			0.76			3.25			9.85
Gap/Total assets		18.48	%		0.80	%		2.91	%		14.77	%		22.59	%		7.62	%

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 versus if rates remained unchanged utilizing a flat balance sheet.

	Net interest income change (12 months)
	-200			-100			+100		+200
	(dollars in thousands)
December 31, 2012	$	(8,204	)	$	(4,767	)	$	459	$	2,153
December 31, 2011		(7,787	)		(3,997	)		704		2,324

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 unprecedented low interest rate environment. Results of the 100 and 200 basis point decline in interest rate scenario is 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. For the years 2012 and 2011, the cost of our interest-bearing liabilities averaged 0.70% and 0.99%, respectively and the yield on our average interest-earning assets, on a fully taxable equivalent basis, averaged 4.18% and 4.61%, respectively.

The ALCO is responsible for the identification and management of interest rate risk exposure. As such, the ALCO continuously evaluates strategies to manage our exposure to interest rate fluctuations.

Asset/liability models require certain assumptions be made, such as prepayment rates on earning assets and pricing impact 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.

46

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Credit Risk

First Commonwealth maintains an allowance for credit losses at a level deemed sufficient to absorb 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, delinquency and other relevant factors. While allocations are made to specific loans and pools of loans, the total allowance is available for all loan losses.

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 $2.4 million at December 31, 2012, and is classified in “Other liabilities” on the Consolidated Statements of Financial Condition.

Nonperforming loans include nonaccrual loans and loans classified as troubled debt restructured loans. 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 alternate financing sources. In 2012, 60 loans totaling $21.9 million were identified as troubled debt restructurings resulting in specific reserves of $4.9 million.

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 in 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 in 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 estimated fair value of any underlying collateral or the present value of projected future cash flows. Losses or specifically assigned allowance for credit losses are recognized where appropriate.

The allowance for credit losses was $67.2 million at December 31, 2012 or 1.60% of loans outstanding compared to $61.2 million or 1.51% of loans outstanding at December 31, 2011. The increase in the 2012 ratio compared to the 2011 ratio can be primarily attributed to a $4.5 million increase in specific reserves on nonperforming loans. As of December 31, 2012, several credit measures showed improvement compared to December 31, 2011. The level of criticized loans decreased $3.5 million from $292.0 million at December 31, 2011 to $288.5 million at December 31, 2012 and delinquency on accruing loans for the same period declined $13.7 million, or 39%.

The allowance for credit losses as a percentage of nonperforming loans was 62% at December 31, 2012 and 2011. The allowance for credit losses includes specific allocations of $17.8 million related to nonperforming loans covering 17% of the total nonperforming balance at December 31, 2012 and specific allocations of $13.2 million covering 13% of the total nonperforming balance at December 31, 2011. The amount of allowance related to nonperforming loans was determined by using estimated fair values obtained from current appraisals and updated discounted cash flow analyses.

47

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Credit Risk (Continued)

Management believes that the allowance for credit losses is at a level that is sufficient to absorb losses inherent in the loan portfolio at December 31, 2012.

The following table provides information on net charge-offs and nonperforming loans by loan category:

	For the Year Ended December 31, 2012								As of December 31, 2012
	Net Charge-offs		% of Total Net Charge- offs			Net Charge-offs as a % of Average Loans			Nonperforming Loans		% of Total Nonperforming Loans			Nonperforming Loans as a % of Total Loans
	(dollars in thousands)
Commercial, financial, agricultural and other	$	4,764		32.65	%		0.12	%	$	34,612		32.18	%		0.82	%
Real estate construction		3,019		20.69			0.07			11,247		10.46			0.27
Residential real estate		3,406		23.35			0.08			10,623		9.87			0.25
Commerical real estate		441		3.02			0.01			50,817		47.25			1.21
Loans to individuals		2,961		20.29			0.07			256		0.24			0.01
Total loans, net of unearned income	$	14,591		100.00	%		0.35	%	$	107,555		100.00	%		2.56	%

As the above table illustrates, commercial real estate and commercial financial, agricultural and other loan categories were the most significant portions of the nonperforming loans as of December 31, 2012. See discussions related to the provision for credit losses and loans for more information.

Results of Operations—2011 Compared to 2010

Summary of 2011 Results

Net income for 2011 was $15.3 million, or $0.15 per diluted share, as compared to a net income of $23.0 million, or $0.25 per diluted share, in 2010. The decline in performance in 2011 was primarily the result of a $16.9 million decrease in net interest income, an increase of $6.7 million related to loss on sale or write-down of assets, and a $6.8 million increase in credit risk recognized on interest rate swaps. Partially offsetting the income declines are a $5.7 million decrease in provision for credit losses in 2011, a decrease of $9.2 million in other-than-temporary impairment losses related to our pooled trust preferred collateralized debt obligation portfolio, a $3.3 million increase in gain on the sale of assets and a $2.5 million increase in income from other real estate owned.

Our return on average equity was 2.0% and return on average assets was 0.27% for 2011, compared to 3.33% and 0.37%, respectively, for 2010.

Average diluted shares for the year 2011 were 12% greater than the comparable period in 2010 primarily due to the issuance of 18.5 million shares of common stock in connection with a capital raise that was completed in August 2010.

Net interest income, on a fully taxable equivalent basis, for 2011 was $20.6 million, or 10% lower than 2010, primarily due to a $427.1 million, or 8%, decline in average interest earning assets and an 8 basis point decrease in the net interest margin. Positively affecting net interest income in 2011 was a $121.2 million increase in average net free funds. Average net free funds are the excess of demand deposits, other noninterest-bearing liabilities and shareholders’ equity over nonearning assets. Net interest margin, on a fully taxable equivalent

48

ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Continued)

Results of Operations—2011 Compared to 2010 (Continued)

Summary of 2011 Results (Continued)

basis was 3.80% in 2011 compared to 3.88% in 2010. The relatively stable net interest margin can be attributed to a more favorable deposit mix, lower costing deposits, reduced balance sheet leveraging and disciplined loan pricing.

Interest and fees on loans, on a fully taxable equivalent basis, decreased $28.6 million of which $21.0 million is attributable to the previously mentioned decline in average balances and $7.6 million is the result of the yield on loans decreasing 19 basis points from 5.18% to 4.99%. Interest income on investment securities, on a fully taxable equivalent basis, decreased $11.9 million from 2010 of which $3.5 million is attributable to the previously mentioned decline in balances and $8.4 million is due to a 108 basis point decrease in yield from 4.34% to 3.26%. Contributing to the investment yield decline was the planned reduction in obligations of state and political subdivisions which had higher yields relative to the remainder of the portfolio.

Interest expense on deposits decreased $16.3 million, of which $11.0 million is attributable to a decline in rates paid and $5.3 million is due to a change in average balances. The cost of interest-bearing deposits decreased 37 basis points as a result of lower interest rates and improved deposit mix changes. Total average interest-bearing deposits decreased $190.3 million, or 5%, primarily due to a decrease of $252.8 million, or 16%, in higher costing average time deposits, offset by an increase of $62.5 million, or 3%, in average interest-bearing demand and savings deposits. Average noninterest-bearing deposits increased $61.1 million, or 9.3%, in 2011.

Interest expense on short-term borrowings declined $1.2 million primarily due to a $305.2 million decline in average balances while interest expense on long-term debt declined $2.4 million; $2.2 million as a result of the $52.8 million decrease in average balances and $0.2 million due to a 9 basis point decrease in rate.

Net interest margin, on a fully taxable equivalent basis, for the year 2011 declined 8 basis points to 3.80% from 3.88%. The relatively stable net interest margin can be attributed to a more favorable deposit mix, lower costing deposits, reduced balance sheet leveraging and disciplined loan pricing.

ITEM 7A. Quantitative and Qualitative Disclosures About Market Risk

Information appearing in Item 7 of this report under the caption “Market Risk” is incorporated herein by reference in response to this item.

49

ITEM 8. Financial Statements and Supplementary Data

MANAGEMENT’S REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING

First Commonwealth is responsible for the preparation, the integrity, and the fair presentation of the Consolidated Financial Statements included in this annual report. The Consolidated Financial Statements and notes to the financial statements have been prepared in conformity with generally accepted accounting principles and include some amounts based upon management’s best estimates and judgments.

First Commonwealth’s management is responsible for establishing and maintaining effective internal control over financial reporting, as such term is defined in Exchange Act Rule 13a-15(f), that is designed to produce reliable financial statements in conformity with generally accepted accounting principles. Under the supervision and with the participation of management, including First Commonwealth’s principal executive officer and principal financial officer, First Commonwealth conducted an evaluation of the effectiveness of internal control over financial reporting based on the framework in Internal Control-Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission.

All internal control systems, no matter how well designed, have inherent limitations, including the possibility that a control can be circumvented and that misstatements due to error or fraud may occur without detection. Therefore, even those systems determined to be effective can provide only reasonable assurance with respect to financial statement preparation and presentation.

Based on First Commonwealth’s evaluation under the framework in Internal Control-Integrated Framework, management concluded that internal control over financial reporting was effective as of December 31, 2012. The effectiveness of First Commonwealth’s internal control over financial reporting as of December 31, 2012 has been audited by KPMG LLP, an independent registered public accounting firm, as stated in their attestation report which is included herein.

First Commonwealth Financial Corporation

Indiana, Pennsylvania

March 13, 2013

/s/    T. MICHAEL PRICE	/s/    ROBERT E. ROUT
T. Michael Price	Robert E. Rout
President and Chief Executive Officer	Executive Vice President, Chief Financial Officer

50

ITEM 8. Financial Statements and Supplementary Data (Continued)

Report of Independent Registered Public Accounting Firm

The Board of Directors and Stockholders

First Commonwealth Financial Corporation:

We have audited First Commonwealth Financial Corporation’s internal control over financial reporting as of December 31, 2012, based on criteria established in Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). First Commonwealth Financial Corporation’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying management’s report on internal control. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit.

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audit also included performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

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

In our opinion, First Commonwealth Financial Corporation maintained, in all material respects, effective internal control over financial reporting as of December 31, 2012, based on criteria established in Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the consolidated statements of financial condition of First Commonwealth Financial Corporation and subsidiaries as of December 31, 2012 and 2011, and the related consolidated statements of income, comprehensive income, changes in shareholders’ equity, and cash flows for each of the years in the three-year period ended December 31, 2012, and our report dated March 13, 2013 expressed an unqualified opinion on those consolidated financial statements.

/s/ KPMG LLP

Pittsburgh, Pennsylvania

March 13, 2013

51

ITEM 8. Financial Statements and Supplementary Data (Continued)

Report of Independent Registered Public Accounting Firm

The Board of Directors and Stockholders

First Commonwealth Financial Corporation:

We have audited the accompanying consolidated statements of financial condition of First Commonwealth Financial Corporation and subsidiaries (the Company) as of December 31, 2012 and 2011, and the related consolidated statements of income, comprehensive income, changes in shareholders’ equity, and cash flows for each of the years in the three-year period ended December 31, 2012. These consolidated financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on these consolidated financial statements based on our audits.

We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the financial position of First Commonwealth Financial Corporation and subsidiaries as of December 31, 2012 and 2011, and the results of their operations and their cash flows for each of the years in the three-year period ended December 31, 2012, in conformity with U.S. generally accepted accounting principles.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), First Commonwealth Financial Corporation’s internal control over financial reporting as of December 31, 2012, based on criteria established in Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO), and our report dated March 13, 2013 expressed an unqualified opinion on the effectiveness of First Commonwealth Financial Corporation’s internal control over financial reporting.

/s/ KPMG LLP

Pittsburgh, Pennsylvania

March 13, 2013

52

ITEM 8. Financial Statements and Supplementary Data (Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION

	December 31,
	2012			2011
	(dollars in thousands, except share data)
Assets
Cash and due from banks	$	98,724		$	74,967
Interest-bearing bank deposits		4,258			3,511
Securities available for sale, at fair value		1,171,303			1,142,776
Other investments		28,228			39,796
Loans held for sale		0			13,412
Loans:
Portfolio loans		4,204,704			4,043,643
Allowance for credit losses		(67,187	)		(61,234	)
Net loans		4,137,517			3,982,409
Premises and equipment, net		68,970			66,755
Other real estate owned		11,262			30,035
Goodwill		159,956			159,956
Amortizing intangibles, net		2,375			3,843
Bank owned life insurance		170,925			167,576
Other assets		141,872			156,086
Total assets	$	5,995,390		$	5,841,122
Liabilities
Deposits (all domestic):
Noninterest-bearing	$	883,269		$	780,377
Interest-bearing		3,674,612			3,724,307
Total deposits		4,557,881			4,504,684
Short-term borrowings		356,227			312,777
Subordinated debentures		105,750			105,750
Other long-term debt		174,471			101,664
Total long-term debt		280,221			207,414
Other liabilities		55,054			57,704
Total liabilities		5,249,383			5,082,579
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 as of December 31, 2012 and 2011; and 99,629,494 shares and 104,916,994 shares outstanding at December 31, 2012 and 2011, respectively		105,563			105,563
Additional paid-in capital		365,354			365,868
Retained earnings		315,608			294,056
Accumulated other comprehensive income, net		1,259			2,001
Treasury stock (5,933,961 and 646,461 shares at December 31, 2012 and 2011, respectively)		(41,777	)		(7,345	)
Unearned ESOP shares		0			(1,600	)
Total shareholders’ equity		746,007			758,543
Total liabilities and shareholders’ equity	$	5,995,390		$	5,841,122

The accompanying notes are an integral part of these Consolidated Financial Statements

53

ITEM 8. Financial Statements and Supplementary Data (Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF INCOME

	Years Ended December 31,
	2012			2011			2010
	(dollars in thousands, except share data)
Interest Income
Interest and fees on loans	$	187,258		$	197,456		$	225,062
Interest and dividends on investments:
Taxable interest		31,695			33,763			37,915
Interest exempt from federal income taxes		12			213			5,216
Dividends		104			49			73
Interest on bank deposits		6			64			94
Total interest income		219,075			231,545			268,360
Interest Expense
Interest on deposits		21,454			33,496			49,845
Interest on short-term borrowings		1,070			728			1,948
Interest on subordinated debentures		5,684			5,568			5,593
Interest on other long-term debt		1,938			1,886			4,213
Total interest on long-term debt		7,622			7,454			9,806
Total interest expense		30,146			41,678			61,599
Net Interest Income		188,929			189,867			206,761
Provision for credit losses		20,544			55,816			61,552
Net Interest Income after Provision for Credit Losses		168,385			134,051			145,209
Noninterest Income
Changes in fair value on impaired securities		2,193			(425	)		(2,560	)
Noncredit related (gains) losses on securities not expected to be sold (recognized in other comprehensive income)		(2,193	)		425			(6,633	)
Net impairment losses		0			0			(9,193	)
Net securities gains		192			2,185			2,422
Trust income		6,206			6,498			5,897
Service charges on deposit accounts		14,743			14,775			16,968
Insurance and retail brokerage commissions		6,272			6,376			6,369
Income from bank owned life insurance		5,850			5,596			5,331
Gain on sale of assets		4,607			4,155			824
Card related interchange income		13,199			11,968			10,459
Derivative mark to market		755			(6,687	)		141
Other income		13,610			12,803			10,016
Total noninterest income		65,434			57,669			49,234
Noninterest Expense
Salaries and employee benefits		86,069			84,669			84,988
Net occupancy expense		13,255			14,069			14,271
Furniture and equipment expense		12,460			12,517			12,568
Data processing expense		7,054			6,027			5,671
Pennsylvania shares tax expense		5,706			5,480			5,455
Intangible amortization		1,467			1,534			2,031
Collection and repossession expense		5,756			7,583			4,430
Other professional fees and services		4,329			5,297			4,131
FDIC insurance		5,032			5,490			7,948
Loss on sale or write-down of assets		7,394			9,428			2,715
Operational losses		4,367			779			581
Other operating expenses		24,318			23,953			26,437
Total noninterest expense		177,207			176,826			171,226
Income before income taxes		56,612			14,894			23,217
Income tax provision (benefit)		14,658			(380	)		239
Net Income	$	41,954		$	15,274		$	22,978
Average Shares Outstanding		103,885,396			104,700,227			93,197,225
Average Shares Outstanding Assuming Dilution		103,885,663			104,700,393			93,199,773
Per Share Data:
Basic Earnings Per Share	$	0.40		$	0.15		$	0.25
Diluted Earnings Per Share	$	0.40		$	0.15		$	0.25
Cash Dividends Declared per Common Share	$	0.18		$	0.12		$	0.06

The accompanying notes are an integral part of these Consolidated Financial Statements

54

ITEM 8. Financial Statements and Supplementary Data (Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

	Years Ended December 31,
	2012			2011			2010
	(dollars in thousands)
Net Income	$	41,954		$	15,274		$	22,978
Other comprehensive (loss) income, before tax (benefit) expense:
Unrealized holding (losses) gains on securities arising during the period		(2,854	)		9,727			(8,377	)
Non-credit related gains (losses) on securities not expected to be sold		2,193			(425	)		6,633
Less: reclasification adjustment for (gains) losses on securities included in net income		(192	)		(2,185	)		6,822
Unrealized gains for postretirement obligations:
Transition obligation		2			2			2
Net (loss) gain		(300	)		(260	)		440
Total other comprehensive (loss) income, before tax (benefit) expense		(1,151	)		6,859			5,520
Income tax (benefit) expense related to items of other comprehensive (loss) income		(409	)		2,400			1,933
Comprehensive Income	$	41,212		$	19,733		$	26,565

The accompanying notes are an integral part of these Consolidated Financial Statements

55

ITEM 8. Financial Statements and Supplementary Data (Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY

	Shares Outstanding			Common Stock		Additional Paid-in- Capital			Retained Earnings			Accumulated Other Comprehensive Income (Loss), net			Treasury Stock			Unearned ESOP Shares			Total Shareholders’ Equity
	(dollars in thousands, except per share data)
Balance at December 31, 2011		104,916,994		$	105,563	$	365,868		$	294,056		$	2,001		$	(7,345	)	$	(1,600	)	$	758,543
Net income										41,954												41,954
Total other comprehensive loss													(742	)								(742	)
Cash dividends declared ($0.18 per share)										(18,759	)											(18,759	)
Net decrease in unearned ESOP shares																			1,600			1,600
ESOP market value adjustment ($729, net of $255 tax benefit)							(474	)														(474	)
Discount on dividend reinvestment plan purchases							(92	)														(92	)
Tax benefit of stock options exercised							1															1
Treasury stock acquired		(5,662,700	)													(37,464	)					(37,464	)
Treasury stock reissued		155,200								(379	)					1,407						1,028
Restricted stock		220,000			0		51			(1,264	)					1,625						412
Balance at December 31, 2012		99,629,494		$	105,563	$	365,354		$	315,608		$	1,259		$	(41,777	)	$	0		$	746,007

	Shares Outstanding			Common Stock		Additional Paid-in- Capital			Retained Earnings			Accumulated Other Comprehensive Income (Loss), net			Treasury Stock			Unearned ESOP Shares			Total Shareholders’ Equity
	(dollars in thousands, except per share data)
Balance at December 31, 2010		104,846,194		$	105,515	$	366,488		$	291,492		$	(2,458	)	$	(7,660	)	$	(3,600	)	$	749,777
Net income										15,274												15,274
Total other comprehensive income													4,459									4,459
Cash dividends declared ($0.12 per share)										(12,558	)											(12,558	)
Net decrease in unearned ESOP shares																			2,000			2,000
ESOP market value adjustment ($1,053, net of $368 tax benefit)							(685	)														(685	)
Discount on dividend reinvestment plan purchases							(63	)														(63	)
Tax benefit of stock options exercised							6															6
Treasury stock acquired		(1,336	)													(9	)					(9	)
Treasury stock reissued		13,760					0			(83	)					155						72
Restricted stock		35,000			25		1			(69	)					169						126
Common stock issued		23,376			23		121			0												144
Balance at December 31, 2011		104,916,994		$	105,563	$	365,868		$	294,056		$	2,001		$	(7,345	)	$	(1,600	)	$	758,543

The accompanying notes are an integral part of these Consolidated Financial Statements.

56

ITEM 8. Financial Statements and Supplementary Data (Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY (Continued)

	Shares Outstanding			Common Stock		Additional Paid-in- Capital			Retained Earnings			Accumulated Other Comprehensive Income (Loss), net			Treasury Stock			Unearned ESOP Shares			Total Shareholders’ Equity
	(dollars in thousands, except per share data)
Balance at December 31, 2009		85,151,875		$	86,600	$	301,523		$	278,887		$	(6,045	)	$	(16,554	)	$	(5,600	)	$	638,811
Net income										22,978												22,978
Total other comprehensive income													3,587									3,587
Cash dividends declared ($0.06 per share)										(5,306	)											(5,306	)
Net decrease in unearned ESOP shares																			2,000			2,000
ESOP market value adjustment ($1,008, net of $352 tax benefit)							(656	)														(656	)
Discount on dividend reinvestment plan purchases							(33	)		0												(33	)
Tax benefit of stock options exercised							0															0
Treasury stock acquired		(1,291	)													(9	)					(9	)
Treasury stock reissued		750,842					656			(4,899	)					8,491						4,248
Restricted stock		30,120			0		0			(168	)					412						244
Common stock issued		18,914,648			18,915		64,998			0												83,913
Balance at December 31, 2010		104,846,194		$	105,515	$	366,488		$	291,492		$	(2,458	)	$	(7,660	)	$	(3,600	)	$	749,777

The accompanying notes are an integral part of these Consolidated Financial Statements.

57

ITEM 8. Financial Statements and Supplementary Data (Continued)

FIRST COMMONWEALTH FINANCIAL CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

	Years Ended December 31,
	2012			2011			2010
	(dollars in thousands)
Operating Activities
Net income	$	41,954		$	15,274		$	22,978
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses		20,544			55,816			61,552
Deferred tax expense (benefit)		2,551			(1,192	)		(4,671	)
Depreciation and amortization		7,912			9,026			10,707
Net losses on securities and other assets		1,838			9,776			8,948
Net amortization of premiums and discounts on securities		1,381			721			212
Net amortization of premiums and discounts on long-term debt		(113	)		(124	)		(807	)
Income from increase in cash surrender value of bank owned life insurance		(5,850	)		(5,596	)		(5,331	)
Decrease in interest receivable		2,689			1,276			4,188
Decrease in interest payable		(1,280	)		(1,423	)		(966	)
Increase (decrease) in income taxes payable		6,484			(5,362	)		1,983
Other—net		614			5,927			12,077
Net cash provided by operating activities		78,724			84,119			110,870
Investing Activities
Transactions with securities held to maturity:
Proceeds from maturities and redemptions		0			0			14,520
Transactions with securities available for sale:
Proceeds from sales		0			76,914			143,503
Proceeds from maturities and redemptions		574,846			480,250			430,115
Purchases		(605,435	)		(723,805	)		(387,135	)
Proceeds from the redemption of FHLB stock		11,568			9,063			2,572
Proceeds from bank owned life insurance		2,501			238			0
Proceeds from the sale of loans		15,981			5,766			0
Proceeds from sales of other assets		17,660			23,756			8,778
Net (increase) decrease in loans		(178,321	)		56,181			335,165
Purchases of premises and equipment		(10,182	)		(8,320	)		(4,886	)
Net cash (used in) provided by investing activities		(171,382	)		(79,957	)		542,632
Financing Activities
Net (decrease) increase in federal funds purchased		(41,300	)		62,500			(92,200	)
Net increase (decrease) in other short-term borrowings		84,750			62,417			(678,871	)
Net increase (decrease) in deposits		53,256			(113,090	)		82,197
Repayments of other long-term debt		(25,480	)		(24,561	)		(117,142	)
Proceeds from issuance of long-term debt		100,000			29,600			50,000
Proceeds from issuance of common stock		0			144			83,913
Discount on dividend reinvestment plan purchases		(92	)		(63	)		(33	)
Dividends paid		(18,759	)		(12,558	)		(5,306	)
Proceeds from reissuance of treasury stock		1,028			72			4,248
Purchase of treasury stock		(36,242	)		(9	)		(9	)
Stock option tax benefit		1			6			0
Net cash provided by (used in) financing activities		117,162			4,458			(673,203	)
Net increase (decrease) in cash and cash equivalents		24,504			8,620			(19,701	)
Cash and cash equivalents at January 1		78,478			69,858			89,559
Cash and cash equivalents at December 31	$	102,982		$	78,478		$	69,858

The accompanying notes are an integral part of these Consolidated Financial Statements.

58

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 1—Statement of Accounting Policies

General

The following summary of accounting and reporting policies is presented to aid the reader in obtaining a better understanding of the financial statements and related financial data of First Commonwealth Financial Corporation and its subsidiaries (“First Commonwealth”) contained in this report.

The financial information is presented in accordance with generally accepted accounting principles and general practice for financial institutions in the United States of America. In preparing financial statements, management is required to make estimates and assumptions that affect the reported amount of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements. In addition, these estimates and assumptions affect revenues and expenses in the financial statements and as such, actual results could differ from those estimates.

Through its subsidiaries, which include one commercial bank, an insurance agency and a financial advisor, First Commonwealth provides a full range of loan, deposit, trust, insurance and personal financial planning services primarily to individuals and small to middle market businesses in fifteen counties in central and western Pennsylvania. First Commonwealth determined it has one business segment.

First Commonwealth is subject to regulations of certain state and federal agencies. These regulatory agencies periodically examine First Commonwealth for adherence to laws and regulations.

Basis of Presentation

The accompanying Consolidated Financial Statements include the accounts of First Commonwealth previously defined above. All material intercompany transactions have been eliminated in consolidation. Certain reclassifications have been made in the Consolidated Financial Statements for 2010 to conform to the classifications presented for 2012 and 2011.

Equity investments of less than a majority but at least 20% ownership are accounted for by the equity method and classified as “Other assets.” Earnings on these investments are reflected in “Other income” on the Consolidated Statements of Income, as appropriate, in the period earned.

First Commonwealth’s variable interest entities (“VIEs”) are evaluated under the guidance included in ASU 2009-17. These VIEs include qualified affordable housing projects that First Commonwealth has invested in as part of its community reinvestment initiatives. We periodically assess whether or not our variable interests in these VIEs, based on qualitative analysis, provide us with a controlling interest in the VIE. The analysis includes an assessment of the characteristics of the VIE. We do not have a controlling financial interest in the VIE, which would require consolidation of the VIE, as we do not have the following characteristics: (1) the power to direct the activities that most significantly impact the VIE’s economic performance; and (2) the obligation to absorb losses or the right to receive benefits from the VIE that could potentially be significant to the VIE.

Securities

Debt securities that First Commonwealth has the positive intent and ability to hold to maturity are classified as securities held to maturity and are reported at amortized cost adjusted for amortization of premium and accretion of discount on a level yield basis. Debt and equity securities that are bought and held principally for the purpose of selling them in the near term are to be classified as trading securities and reported at fair value, with unrealized gains and losses included in earnings. Debt and equity securities not classified as either held-to-maturity

59

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 1—Statement of Accounting Policies (Continued)

Securities (Continued)

securities or trading securities are classified as securities available for sale and are reported at fair value, with unrealized gains and losses that are not related to impairment excluded from earnings and reported as a component of other comprehensive income, which is included in shareholders’ equity, net of deferred taxes.

First Commonwealth has securities classified as either held to maturity or available for sale and does not engage in trading activities. 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 the equity securities.

First Commonwealth conducts a comprehensive review of the investment portfolio on a quarterly basis to determine whether other-than-temporary impairment has occurred. Issuer-specific securities whose market values have fallen below their book values are initially selected for more in-depth analysis based on the percentage decline in value and duration of the decline. Issuer-specific securities include obligations of U.S. Government agencies and sponsored enterprises, single issue trust preferred securities, corporate debentures and obligations of states and political subdivisions. Further analysis of these securities includes a review of research reports, analysts’ recommendations, credit rating changes, news stories, annual reports, impact of interest rate changes and any other relevant information pertaining to the affected security. Pooled trust preferred collateralized debt obligations are measured by evaluating all relevant credit and structural aspects, determining appropriate performance assumptions and performing a discounted cash flow analysis. This evaluation includes detailed credit, performance and structural evaluations for each piece of collateral. Other factors in the pooled trust preferred collateralized debt obligations valuation include terms of the structure, the cash flow waterfall (for both interest and principal), the over collateralization and interest coverage tests and events of default/liquidation. Based on this review, a determination is made on a case by case basis as to a potential impairment. Declines in the fair value of individual securities below their cost that are not expected to be recovered will result in write-downs of the individual securities to their fair value. The related write-downs are included in earnings as impairment losses.

Loans

Loans are carried at the principal amount outstanding. Unearned income on installment loans and leases is taken into income on a declining basis, which results in an approximate level rate of return over the life of the loan or the lease. Interest is accrued as earned. Loans held for sale are carried at the lower of cost or fair value determined on an individual basis.

First Commonwealth considers a loan to be past due and still accruing interest when payment of interest or principal is contractually past due but the loan is both well secured and in the process of collection. For installment, mortgage, term and other loans with amortizing payments that are scheduled monthly, 90 days past due is reached when four monthly payments are due and unpaid. For demand, time and other multi-payment obligations with payments scheduled other than monthly, delinquency status is calculated using number of days instead of number of payments. Revolving credit loans, including personal credit lines and home equity lines, are considered to be 90 days past due when the borrower has not made the minimum payment for four monthly cycles.

A loan is placed in nonaccrual status when, based on current information and events, it is probable that First Commonwealth will be unable to fully collect principal or interest due according to the contractual terms of the loan. A loan is also placed in nonaccrual status when, based on regulatory definitions, the loan is maintained on a “cash basis” due to the weakened financial condition of the borrower. When a determination is made to place a loan in nonaccrual status, all accrued and unpaid interest for the current year is reversed against interest income

60

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 1—Statement of Accounting Policies (Continued)

Loans (Continued)

and uncollected interest for previous years is charged against the allowance for credit losses. Nonaccrual loans are restored to accrual status when, based on a sustained period of repayment by the borrower in accordance with the contractual terms of the loan, First Commonwealth expects repayment of the remaining contractual principal and interest or when the loan otherwise becomes well-secured and in the process of collection.

First Commonwealth considers a loan to be a troubled debt restructured loan when, for economic or legal reasons related to the debtor’s financial difficulties, a concession is granted to the debtor that would not otherwise be considered.

A loan is considered to be impaired when, based on current information and events, it is probable that First Commonwealth will be unable to collect principal or interest that is due in accordance with contractual terms of the loan. Impaired loans include nonaccrual loans and troubled debt restructured loans. Loan impairment is measured based on the present value of expected cash flows discounted at the loan’s effective interest rate or, as a practical expedient, at the loan’s observable market price or the fair value of the collateral if the loan is collateral dependent.

For loans other than those that First Commonwealth expects repayment through liquidation of the collateral, when the remaining recorded investment in the impaired loan is less than or equal to the present value of the expected cash flows, income is applied as a reduction to loan principal rather than interest income.

Loans deemed uncollectible are charged off through the allowance for credit losses. Factors considered in assessing ultimate collectibility include past due status, financial condition of the borrower, collateral values, and debt covenants including secondary sources of repayment by guarantors. Payments received on previously charged off loans are recorded as recoveries in the allowance for credit losses.

Loan Fees

Loan origination and commitment fees, net of associated direct costs, are deferred and the net amount is amortized as an adjustment to the related loan yield on the interest method, generally over the contractual life of the related loans or commitments.

Other Real Estate Owned

Real estate, other than bank premises, is recorded at the lower of cost or fair value less estimated selling costs at the time of acquisition. Fair value is determined based on an independent appraisal. Expenses related to holding the property and rental income earned on the property are generally reflected in earnings in the current period. Depreciation is not recorded on the other real estate owned properties.

Allowance for Credit Losses

First Commonwealth maintains an allowance for credit losses at a level deemed sufficient to absorb losses that are inherent in the loan portfolio. First Commonwealth’s management determines and reviews with the Board of Directors 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

61

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 1—Statement of Accounting Policies (Continued)

Allowance for Credit Losses (Continued)

include an assessment of individual problem loans, delinquency and loss experience trends, and other relevant factors, all of which may be susceptible to significant changes. While allocations are made to specific loans and pools of loans, the total allowance is available for all credit losses.

The following describes the major loan classifications used in the allowance for credit losses calculation. Other Assets Especially Mentioned (“OAEM”) loans have potential weaknesses that deserve management’s close attention. The potential weaknesses may result in deterioration of the repayment prospects or weaken the Bank’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. Loans classified as OAEM constitute an undue and unwarranted credit risk, but not to the point of being classified as a substandard risk. Substandard loans are those with a 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 First Commonwealth may also be classified as substandard. Doubtful loans have 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. Although the probability of loss is extremely high for doubtful loans, the classification of loss is deferred until pending factors, which might improve the loan, have been determined. Loans rated as doubtful, in whole or in part, are placed in nonaccrual status.

First Commonwealth consistently applies the following comprehensive methodology and procedure for determining the allowance for credit losses.

Criticized loans on the watch list, which include OAEM, substandard, doubtful, and impaired, are analyzed to determine the level of probable loss in the credits under current circumstances. The probable loss that is established for these classified loans is based on careful analysis of the probability the loan will default based on the loan’s performance, the related collateral value, cash flow considerations and the financial capability of any guarantor. Watch list loans are managed and monitored by assigned account officers within the special assets area of First Commonwealth in conjunction with supervision by senior management. A reserve is established for watch list loans that are classified.

All impaired credits in excess of $100 thousand are individually reviewed quarterly. A specific reserve is established for impaired loans that is equal to the total amount of probable unconfirmed losses for the impaired loans that are reviewed. Based on this reserve as a percentage of reviewed loan balances, a reserve is also established for the impaired loan balances that are not individually reviewed.

The allowance uses historical charge-off trends to estimate probable unconfirmed losses based on charge-off history for the greater of the eight most recent quarters or the twenty most recent quarters. The loss emergence periods, which are the average time period from when a loan becomes delinquent until it is charged off, are calculated for each loan type and applied to the historical loss percentages. Adjusted historical loss experience percentages are applied to non-classified loans from the watch list, as well as all other loans not on the watch list, to obtain the portion of the allowance for credit losses which is based on historical trends. Before applying the adjusted historical loss experience percentages, loan balances are reduced by the portion of the loan balances which are subject to guarantee by a government agency.

62

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 1—Statement of Accounting Policies (Continued)

Allowance for Credit Losses (Continued)

Historical delinquency trends are also used when estimating probable losses in the loan portfolio. Each loan category’s most recent four quarter average delinquency percentage is compared to its twenty quarter average. The twenty quarter average delinquency level is used in determining probable losses in the portfolio, unless the four quarter average exceeds the twenty quarter average. In that case, the four quarter average delinquency rate is more appropriate as it indicates there is currently a higher level of risk in the portfolio compared to historical levels. A portion of the allowance is obtained by applying the appropriate average delinquency percentage to non-classified loans from the watch list, as well as all other loans not on the watch list.

An additional allowance is made by management based on a qualitative analysis of certain factors related to portfolio risks and economic conditions. Factors considered by management include employment trends, macroeconomic trends, commercial real estate trends and the overall lending environment. Portfolio risks include unusual changes or recent trends in specific portfolios such as unexpected changes in the trends or levels of delinquency. No matter how detailed an analysis of potential credit losses is performed, these estimates are not precise. Management must make estimates using assumptions and information that is often subjective and changes rapidly.

Allowance for Off-Balance Sheet Credit Exposures

First Commonwealth maintains an allowance for off-balance sheet credit exposure at a level deemed sufficient to absorb losses that are inherent to off-balance sheet credit risk. Management determines the adequacy of the allowance on a quarterly basis charging the provision 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. The Company’s methodology for assessing the appropriateness of the allowance for off-balance sheet credit exposure consists of analysis of historical usage trends as well as loss history and probability of default rates related to the off-balance sheet category. The calculation begins with historical usage trends related to lines of credit as well as letters of credit and then utilizes those figures to determine the probable usage of available lines. These values are then adjusted by a determined probability of default as well as a loss given default. This amount is adjusted quarterly and reported as part of other operating expenses on the Consolidated Statements of Income.

Bank Owned Life Insurance

First Commonwealth purchased insurance on the lives of certain groups of employees. The policies accumulate asset values to meet future liabilities including the payment of employee benefits such as health care. Increases in the cash surrender value are recorded in the Consolidated Statements of Income. Under some of these policies, the beneficiaries receive a portion of the death benefit. The net present value of the future death benefits scheduled to be paid to the beneficiaries was $3.8 million and $3.6 million as of December 31, 2012 and 2011, respectively, and is reflected in “Other Liabilities” on the Consolidated Statements of Financial Condition.

Premises and Equipment

Premises and equipment are carried at cost less accumulated depreciation on First Commonwealth’s Consolidated Statements of Financial Condition. Depreciation is computed on the straight-line and accelerated methods over the estimated useful life of the asset. A straight-line depreciation method was used for substantially all furniture and equipment. The straight-line depreciation method was used for buildings and improvements. Charges for maintenance and repairs are expensed as incurred. Leasehold improvements are expensed over the term of the lease or the estimated useful life of the improvement, whichever is shorter.

63

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 1—Statement of Accounting Policies (Continued)

Premises and Equipment (Continued)

When developing software, First Commonwealth expenses costs that are incurred during the preliminary project stage and capitalizes certain costs that are incurred during the application development stage. Once software is in operation, maintenance costs are expensed over the maintenance period while upgrades that result in additional functionality or enhancements are capitalized. Training and data conversion costs are expensed as incurred. Capitalized software development costs and purchased software are amortized on a straight-line basis over a period not to exceed seven years, except for one software license that is being amortized over ten years.

Goodwill

Intangible assets resulting from acquisitions under the purchase method of accounting consist of goodwill and other intangible assets (see “Other Intangible Assets” section below). Goodwill is not amortized and is subject to at least annual assessments for impairment by applying a fair value based test. First Commonwealth reviews goodwill annually and again at any quarter-end if a material event occurs during the quarter that may affect goodwill. This review evaluates potential impairment by determining if our fair value has fallen below carrying value.

Other Intangible Assets

Other intangible assets consist of core deposits obtained through acquisitions and are amortized over their estimated lives using the present value of the benefit of the core deposits and straight-line methods of amortization. Core deposit intangibles are evaluated for impairment on an annual basis and when events or changes in circumstances indicate that the carrying amount may not be recoverable.

Accounting for the Impairment of Long-Lived Assets

First Commonwealth reviews long-lived assets, such as premises and equipment and intangibles for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. These changes in circumstances may include a significant decrease in the market value of an asset or the extent or manner in which an asset is used. If there is an indication that the carrying amount of an asset may not be recoverable, future undiscounted cash flows expected to result from the use of the asset are estimated. If the sum of the expected cash flows is less than the carrying value of the asset, a loss is recognized for the difference between the carrying value and fair value of the asset. Long-lived assets classified as held for sale are measured at the lower of their carrying amount or fair value less cost to sell. Depreciation or amortization is discontinued on long-lived assets classified as held for sale.

Income Taxes

First Commonwealth records taxes in accordance with the asset and liability method of FASB ASC Topic 740, “Income Taxes,” whereby deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amount of existing assets and liabilities and their respective tax bases given the provisions of the enacted tax laws. Deferred tax assets are reduced, if necessary, by the amount of such benefits that are more likely than not expected to be realized based upon available evidence. In accordance with FASB ASC Topic 740, interest or penalties incurred for taxes will be recorded as a component of noninterest expense.

64

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 1—Statement of Accounting Policies (Continued)

Comprehensive Income Disclosures

“Other Comprehensive Income” (comprehensive income, excluding net income) includes the after tax effect of changes in unrealized holding gains and losses on available-for-sale securities and changes in the funded status of defined benefit postretirement plans. Comprehensive income is reported in the accompanying Consolidated Statements of Comprehensive Income, net of tax.

Cash and Cash Equivalents

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.

Employee Stock Ownership Plan

Accounting treatment for First Commonwealth’s Employee Stock Ownership Plan (“ESOP”) described in Note 24 “Unearned ESOP Shares” follows FASB ASC Topic 718, “Compensation—Stock Compensation” for ESOP shares acquired after December 31, 1992 (“new shares”). First Commonwealth’s ESOP borrowed funds are guaranteed by First Commonwealth. The ESOP shares purchased subject to the debt guaranteed by First Commonwealth are recorded as a reduction of common shareholders’ equity by recording unearned ESOP shares. Shares are committed to be released to the ESOP Trust for allocation to plan participants through loan payments. As the shares are committed to be released, the unearned ESOP shares account is credited for the average cost of the shares collateralizing the ESOP borrowed funds. Compensation cost is recognized for these shares in accordance with the provisions of FASB ASC Topic 718 and is based upon the fair market value of the shares that are committed to be released. Additional paid-in capital is charged or credited for the difference between the fair value of the shares committed to be released and the cost of those shares to the ESOP.

Dividends on unallocated ESOP shares are used for debt service and are reported as a reduction of debt and accrued interest payable. Dividends on allocated ESOP shares are charged to retained earnings and allocated or paid to the plan participants. The average number of common shares outstanding used in calculating earnings per share excludes all unallocated ESOP shares.

Derivatives and Hedging Activities

First Commonwealth accounts for derivative instruments and hedging activities in accordance with FASB ASC Topic 815, “Derivatives and Hedging.” All derivatives are evaluated at inception as to whether or not they are hedging or non-hedging activities, and appropriate documentation is maintained to support the final determination. First Commonwealth recognizes all derivatives as either assets or liabilities on the Statements of Financial Condition and measures those instruments at fair value. For derivatives designated as fair value hedges, changes in the fair value of the derivative and the hedged item related to the hedged risk are recognized in earnings. Any hedge ineffectiveness would be recognized in the income statement line item pertaining to the hedged item.

When First Commonwealth purchases a portion of a commercial loan that has an existing interest rate swap, it enters a Risk Participation Agreement with the counterparty and assumes the credit risk of the loan customer related to the swap. Any fee paid to First Commonwealth as a result of the risk participation agreement is offset by credit risk of the counterparties and is recognized in the income statement. Credit risk on the risk participation agreements is determined after considering the risk rating, probability of default and loss of given default of the counterparties.

65

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 1—Statement of Accounting Policies (Continued)

Derivatives and Hedging Activities (Continued)

Management periodically reviews contracts from various functional areas of First Commonwealth to identify potential derivatives embedded within selected contracts. As of December 31, 2012, First Commonwealth has interest derivative positions that are not designated as hedging instruments. See Note 7 “Derivatives” for a description of these instruments.

Earnings Per Common Share

Basic earnings per share excludes dilution and is computed by dividing income available to common shareholders by the weighted-average number of common shares outstanding for the period less unallocated ESOP shares.

Diluted earnings per share reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock or resulted in the issuance of common stock that then shared in the earnings of the entity. For all periods presented, the dilutive effect on average shares outstanding is the result of compensatory stock options outstanding.

Fair Value Measurements

In accordance with FASB ASC Topic 820, “Fair Value Measurements and Disclosures,” First Commonwealth groups financial assets and financial liabilities measured at fair value in three levels, based on the markets in which the assets and liabilities are traded and the reliability of the assumptions 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. 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 securities include U.S. Government securities issued by Agencies and Sponsored Enterprises, Obligations of States and Political Subdivisions, certain corporate securities, FHLB stock, interest rate derivatives that include interest rate swaps, risk participation agreements and foreign currency contracts, certain other real estate owned and certain impaired loans.

• 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 evaluation 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 select Obligations of States and Political Subdivisions, corporate securities, pooled trust preferred collateralized debt obligations, nonmarketable equity investments certain other real estate owned, certain impaired loans and loans held for sale.

In general, fair values of financial instruments are based upon quoted market prices, where available. If such quoted market prices are not available, fair value is based upon pricing models that primarily use, as inputs,

66

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 1—Statement of Accounting Policies (Continued)

Fair Value Measurements (Continued)

observable market-based parameters. Valuation adjustments may be made to ensure that financial instruments are recorded at fair value. These adjustments may include amounts to reflect counterparty credit quality and our creditworthiness, among other things, as well as unobservable parameters. Any such valuation adjustments are applied consistently over time. See Note 21 “Fair Values of Assets and Liabilities” for additional information.

Note 2—New Accounting Pronouncements

In April 2011, the FASB issued ASU 2011-04, “Fair Value Measurement (Topic 820)—Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRSs.” This Update changes the wording used to describe many of the requirements in U.S. GAAP for measuring fair value and for disclosing information about fair value measurements. As a result, the highest and best use and valuation premise concept should be applied. This Update also amends particular principles or requirements for measuring fair value or disclosing relevant information. For example, the amendment allows for financial assets with applicable market and credit risk managed on a basis of net exposure to be excluded from the requirements of Topic 820. This Update is effective for interim and annual periods beginning after December 15, 2011. The adoption of this ASU did not have a material impact on First Commonwealth’s financial condition or results of operations.

In September 2011, the FASB issued ASU 2011-05, “Comprehensive Income (Topic 220)—Presentation of Comprehensive Income,” under which an entity has the option to present the total of comprehensive income, the components of net income, and the components of other comprehensive income, in either a single continuous statement of comprehensive income or in two separate but consecutive statements. If a separate statement is preferred, this statement should immediately follow the statement of net income and include components of other comprehensive income and a total for these items along with total comprehensive income. This Update was effective for fiscal years, and interim periods within those years, beginning after December 15, 2011. In December 2011, the FASB issued ASU 2011-12, “Comprehensive Income (Topic 220)—Deferral of the Effective Date for Amendments to the Presentation of Reclassifications of Items Out of Accumulated Other Comprehensive Income in Accounting Standards Update No. 2011-05.” This deferral was made in order to address reclassifications out of accumulated other comprehensive income. All other provisions of ASU 2011-05 were required to be adopted for fiscal and related interim periods beginning after December 15, 2011. The deferral of the aforementioned classifications is also effective for all fiscal and related interim periods beginning after December 15, 2011. The adoption of this ASU did not have a material impact on First Commonwealth’s financial condition or results of operations. In February 2013, the FASB issued ASU 2013-02, “Comprehensive Income (Topic 220): Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income.” This amendment addresses the previously deferred portions of ASU 2011-05 related to reclassifications out of accumulated other comprehensive income. This amendment requires an entity to provide information about amounts reclassified out of accumulated other comprehensive income (“AOCI”) by component. In addition, an entity is required to report the effect of significant reclassifications out of AOCI on the respective line items in net income if the amount being reclassified is required under U.S. GAAP to be reclassified in its entirety to net income. For other amounts that are not required under U.S. GAAP to be reclassified in their entirety to net income, an entity is required to cross-reference other disclosures required under U.S. GAAP that provide additional detail about those amounts. This update is effective for interim and annual periods beginning after December 15, 2012. The guidance is prospective and management does not believe the adoption of this ASU will have a significant impact on First Commonwealth’s financial condition or results of operations.

In September 2011, the FASB issued ASU 2011-08, “Goodwill and Other (Topic 350)—Testing Goodwill for Impairment.” This Update provides an entity with the option to assess qualitative factors to determine whether the existence of events or circumstances lead to a determination that it is more likely than not that the fair value of a

67

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 2—New Accounting Pronouncements (Continued)

reporting unit is less than its carrying amount. If it determined that it is not more likely than not that the fair value of a reporting unit is less than its carrying amount, then performing the two-step impairment test is unnecessary. Conversely, if the opposite conclusion is reached, then the first step of the two-step approach must be performed. The Update provides examples of events and circumstances that an entity should consider in performing its qualitative assessment. This Update is effective for fiscal years beginning after December 15, 2011. The adoption of this ASU did not have a material impact on First Commonwealth’s financial condition or results of operations.

Note 3—Supplemental Comprehensive Income Disclosures

The following table identifies the related tax effects allocated to each component of other comprehensive income in the Consolidated Statements of Changes in Shareholders’ Equity for the years ended December 31:

	2012									2011									2010
	Pretax Amount			Tax (Expense) Benefit			Net of Tax Amount			Pretax Amount			Tax (Expense) Benefit			Net of Tax Amount			Pretax Amount			Tax (Expense) Benefit			Net of Tax Amount
	(dollars in thousands)
Unrealized gains (losses) on securities:
Unrealized holding (losses) gains on securities arising during the period	$	(2,854	)	$	1,006		$	(1,848	)	$	9,727		$	(3,404	)	$	6,323		$	(8,377	)	$	2,931		$	(5,446	)
Noncredit related gains (losses) on securities not expected to be sold		2,193			(768	)		1,425			(425	)		149			(276	)		6,633			(2,321	)		4,312
Less: reclassification adjustment for (gains) losses on securities included in net income		(192	)		67			(125	)		(2,185	)		765			(1,420	)		6,822			(2,388	)		4,434
Unrealized gains (losses) for postretirement obligations:
Transition obligation		2			(1	)		1			2			(1	)		1			2			(1	)		1
Net (loss) gain		(300	)		105			(195	)		(260	)		91			(169	)		440			(154	)		286
Total other comprehensive (loss) income	$	(1,151	)	$	409		$	(742	)	$	6,859		$	(2,400	)	$	4,459		$	5,520		$	(1,933	)	$	3,587

68

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 4—Supplemental Cash Flow Disclosures

The following table presents information related to cash paid during the year for interest and income taxes as well as detail on non-cash investing and financing activities for the years ended December 31.

	2012			2011		2010
	(dollars in thousands)
Cash paid during the year for:
Interest	$	31,597		$	43,303	$	63,501
Income taxes		11,641			5,900		2,516
Non-cash investing and financing activities:
ESOP loan reductions		1,600			2,000		2,000
Loans transferred to other real estate owned and repossessed assets		4,979			34,269		11,987
Fair value of loans transferred from held to maturity to available for sale		0			14,235		0
Gross (decrease) increase in market value adjustment to securities available for sale		(874	)		7,107		5,088
Transfer of secruities from held to maturity to available for sale		0			0		22,433

Note 5—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 computation for the years ending December 31:

	2012			2011			2010
Weighted average common shares issued		105,563,455			105,550,310			94,388,523
Average treasury shares		(1,456,953	)		(657,633	)		(828,523	)
Averaged unearned ESOP shares		(38,393	)		(165,010	)		(319,726	)
Average unearned nonvested shares		(182,713	)		(27,440	)		(43,049	)
Weighted average common shares and common stock equivalents used to calculate basic earnings per share		103,885,396			104,700,227			93,197,225
Additional common stock equivalents (nonvested stock) used to calculate diluted earnings per share		171			119			0
Additional common stock equivalents (stock options) used to calculate diluted earnings per share		96			47			2,548
Weighted average common shares and common stock equivalents used to calculate diluted earnings per share		103,885,663			104,700,393			93,199,773

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 years ended December 31, because to do so would have been anti-dilutive.

	2012						2011						2010
			Price Range						Price Range						Price Range
	Shares		From		To		Shares		From		To		Shares		From		To
Stock Options		268,630	$	6.90	$	14.55		496,863	$	6.36	$	14.55		610,594	$	6.36	$	14.55
Restricted Stock		163,509		5.26		6.82		22,502		5.70		6.82		17,370		5.70		12.35

69

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 6—Cash and Due from Banks

Regulations of the Board of Governors of the Federal Reserve System impose uniform reserve requirements on all depository institutions with transaction accounts, such as checking accounts and NOW accounts. Reserves are maintained in the form of vault cash or balances held with the Federal Reserve Bank. First Commonwealth Bank maintained average balances of $3.6 million during 2012 and $26.0 million during 2011 with the Federal Reserve Bank.

Note 7—Derivatives

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 of given default for all counterparties.

We have nine 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.

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

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 at December 31:

	2012			2011
	(dollars in thousands)
Credit value adjustment	$	(2,207	)	$	(2,963	)
Notional Amount:
Interest rate derivatives		223,448			187,368
Risk participation agreements		71,390			128,098
Sold credit protection on risk participation agreements		0			(22,147	)

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 Consolidated Statements of Income for the years ended December 31:

	2012		2011			2010
	(dollars in thousands)
Non-hedging interest rate derivatives:
Increase (decrease) in other income	$	755	$	(6,687	)	$	141

The 2012 increase in other income can be attributed to a $1.4 million reduction in credit risk on one interest rate swap as a result of improvement in the credit rating of the counterparty (loan customer). Of the total $6.7 million in credit risk expense recognized in 2011, $4.4 million relates to two interest rate swaps that were terminated during 2011. The fair value of our derivatives is included in a table in Note 21 “Fair Values of Assets and Liabilities,” in the line items “Other assets” and “Other liabilities.”

70

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 8—Securities Available for Sale

Below is an analysis of the amortized cost and fair values of securities available for sale at December 31:

	2012									2011
	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	$	27,883	$	3,781	$	0		$	31,664	$	32,139	$	4,061	$	(6	)	$	36,194
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities—Residential		839,102		25,691		(392	)		864,401		771,196		29,835		0			801,031
Mortgage-Backed Securities—Commercial		148		1		0			149		193		1		(1	)		193
Other Government—Sponsored Enterprises		241,970		766		(72	)		242,664		267,807		973		(132	)		268,648
Obligations of States and Political Subdivisions		82		4		0			86		444		15		0			459
Corporate Securities		6,703		288		0			6,991		11,811		162		(562	)		11,411
Pooled Trust Preferred Collateralized Debt Obligations		51,866		3		(28,496	)		23,373		54,762		3		(31,785	)		22,980
Total Debt Securities		1,167,754		30,534		(28,960	)		1,169,328		1,138,352		35,050		(32,486	)		1,140,916
Equities		1,859		116		0			1,975		1,860		0		0			1,860
Total Securities Available for Sale	$	1,169,613	$	30,650	$	(28,960	)	$	1,171,303	$	1,140,212	$	35,050	$	(32,486	)	$	1,142,776

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 effects on earnings and interest rate risk positions.

During 2012, $5.1 million in single issue trust preferred securities and $0.2 million in pooled trust preferred securities were called by their issuers, providing security gains of $0.2 million.

In 2011, $5.2 million in single issue trust preferred securities and $1.2 million in corporate debentures owned by a non-bank subsidiary of First Commonwealth were sold in order to reinvest the proceeds in more liquid assets for that subsidiary. The amounts sold represent the subsidiaries entire portfolio of these investments and resulted in a net gain of $0.3 million. Additionally, $3.0 million in single issue trust preferred securities held by another subsidiary were called, resulting in a gain of $0.1 million. Also during 2011, the Company executed its strategy

71

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 8—Securities Available for Sale (Continued)

to liquidate its obligations of states and political subdivisions in order to mitigate future credit risk and improve its tax position. Investments in obligations of states and political subdivisions totaled $0.5 million and $47.8 million as of December 31, 2011 and 2010, respectively. This decline is a result of $4.2 million in maturities and $42.5 million in sales which provided $0.3 million in recognized gains. At December 31, 2012 and 2011, investments in obligations of states and political subdivisions had an amortized cost of $82 thousand and $0.4 million, respectively, and were classified as available for sale. None of these securities were in an unrealized loss position.

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 fair value of debt securities at December 31, 2012, by contractual maturity, are shown below:

	Amortized Cost		Estimated Fair Value
	(dollars in thousands)
Due within 1 year	$	0	$	0
Due after 1 but within 5 years		242,052		242,750
Due after 5 but within 10 years		0		0
Due after 10 years		58,569		30,364
		300,621		273,114
Mortgage-Backed Securities (a)		867,133		896,214
Total debt securities	$	1,167,754	$	1,169,328

(a) Mortgage Backed Securities include an amortized cost of $28 million and a fair value of $32 million for Obligations of U.S. Government agencies issued by Ginnie Mae and Obligations of U.S. Government-sponsored enterprises issued by Fannie Mae and Freddie Mac which had an amortized cost of $839 million and a fair value of $864 million.

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

	2012		2011			2010
	(dollars in thousands)
Proceeds from sale	$	0	$	76,914		$	143,503
Gross gains (losses) realized:
Sales Transactions:
Gross gains	$	0	$	2,368		$	2,892
Gross losses		0		(258	)		(790	)
		0		2,110			2,102
Maturities, calls and impairment:
Gross gains		192		75			270
Gross losses		0		0			0
Other-than-temporary impairment		0		0			(9,193	)
		192		75			(8,923	)
Net gains (losses) and impairment	$	192	$	2,185		$	(6,821	)

Securities available for sale with an approximate fair value of $631.0 million and $668.8 million were pledged as of December 31, 2012 and 2011, respectively, to secure public deposits and for other purposes required or permitted by law.

72

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 9—Securities Held to Maturity

There were no held-to-maturity debt securities as of December 31, 2012 and 2011.

During 2010, First Commonwealth reclassified its entire held-to-maturity portfolio to the available-for-sale portfolio. At the time of reclassification, the investments had an amortized cost of $22.4 million of which $22.3 million were obligations of states and political subdivisions and $0.1 million were mortgage backed securities. When the securities were transferred, two of the obligations of states and political subdivision securities were in an unrealized loss position totaling $45 thousand, the remaining bonds in that category were in an unrealized gain position of $0.8 million and all of the mortgage backed securities were in an unrealized gain position. In 2010, other-than-temporary impairment charges of $45 thousand were recognized on the two states and political subdivision securities that were in an unrealized loss position when transferred to available-for-sale.

For the year ended December 31, 2010, gross gains of $50 thousand were recognized on held to maturity investments which were called by their issuer.

The transfer of securities from the held-to-maturity portfolio resulted from the implementation of a strategy to liquidate a portion of the obligations of states and political subdivisions portfolio in order to mitigate future credit risk and improve our tax position.

Note 10—Other Investments

As a member of the FHLB, First Commonwealth is required to purchase and hold stock in the FHLB to satisfy membership and borrowing requirements. 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 December 31, 2012 and 2011, our FHLB stock totaled $28.2 million and $39.8 million, respectively and is included in “Other investments” on the Consolidated Statements of Financial Condition.

During 2012 and 2011, the FHLB repurchased excess stock from its members by repurchasing the lessor of 5% of the members’ total capital stock outstanding or its total excess capital stock. As a result, during the twelve months ended December 31, 2012 and 2011, $11.6 million and $9.1 million, respectively, of the stock owned by First Commonwealth was repurchased. The FHLB repurchased stock and paid dividends in each quarter of 2012, however, decisions regarding any future repurchase of excess capital stock and dividend payments will be made by the FHLB on a quarterly basis. Management reviewed the FHLB’s Form 10-Q for the period ended September 30, 2012 filed with the SEC on November 7, 2012.

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. The decision of whether impairment exists is a matter of judgment that reflects our view of the FHLB’s long-term performance, which includes factors such as the following:

• its operating performance;

• the severity and duration of declines in the fair value of its net assets related to its capital stock amount;

• its commitment to make payments required by law or regulation and the level of such payments in relation to its operating performance;

• the impact of legislative and regulatory changes on the FHLB, and accordingly, on the members of FHLB; and

• its liquidity and funding position.

73

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 10—Other Investments (Continued)

After evaluating all of these considerations, First Commonwealth concluded that the par value of its investment in FHLB stock will be recovered. Accordingly, no impairment charge was recorded on these securities for the year ended December 31, 2012. Our evaluation of the factors described above in future periods could result in the recognition of impairment charges on FHLB stock.

Note 11—Impairment of Investment Securities

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 other comprehensive income (“OCI”). During the years ended December 31, 2012 and 2011, no other-than-temporary impairment charges were recognized. For the year ended December 31, 2012, $2.2 million in non-credit related gains on our trust preferred collateralized debt obligations that were determined to be impaired in previous periods was recorded in OCI. For the year ended December 31, 2011, $0.4 million in non-credit related losses for the same pool of securities was recorded in OCI. All of the securities for which other-than-temporary impairment was recorded were classified as available-for-sale securities.

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.

In the Consolidated Statements of Income, the “Changes in fair value on impaired securities” line represents the change in fair value of securities impaired in the current or previous periods. The change in fair value includes both non-credit and credit related gains or losses. Credit related losses occur when the entire amortized cost of the security will not be recovered. The “Noncredit related (gains) losses on securities not expected to be sold (recognized in other comprehensive income)” line represents the gains and losses on the securities resulting from factors other than credit. The noncredit related gain or loss is disclosed in the Consolidated Statements of Income and recognized through other comprehensive income. The “Net impairment losses” line represents the credit related losses recognized in total noninterest income for the related period.

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 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 determine 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 21 “Fair Values of Assets and Liabilities” for additional information.

74

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 11—Impairment of Investment Securities (Continued)

The following table presents the gross unrealized losses and estimated fair values at December 31, 2012 by investment category and time frame for which the 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	$	0	$	0		$	13	$	0	(a)	$	13	$	0
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities—Residential		76,296		(392	)		21		0	(a)		76,317		(392	)
Mortgage-Backed Securities—Commercial		0		0			0		0			0		0
Other Government-Sponsored Enterprises		59,303		(72	)		0		0			59,303		(72	)
Obligations of States and Political Subdivisions		0		0			0		0			0		0
Corporate Securities		0		0			0		0			0		0
Pooled Trust Preferred Collateralized Debt Obligations		0		0			23,316		(28,496	)		23,316		(28,496	)
Total Securities Available for Sale	$	135,599	$	(464	)	$	23,350	$	(28,496	)	$	158,949	$	(28,960	)

(a) Gross unrealized losses related to these types of securities are less than $1 thousand.

At December 31, 2012, pooled trust preferred collateralized debt obligations accounted for 98% of unrealized losses, while fixed income securities issued by U.S. Government-sponsored enterprises comprised 2% of total unrealized losses.

The following table presents the gross unrealized losses and estimated fair value at December 31, 2011 for available-for-sale and securities by investment category and time frame for which the securities had 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	$	1,086	$	(6	)	$	16	$	0	(a)	$	1,102	$	(6	)
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities—Residential		25		0	(a)		0		0			25		0
Mortgage-Backed Securities—Commercial		151		(1	)		0		0			151		(1	)
Other Government-Sponsored Enterprises		55,969		(132	)		0		0			55,969		(132	)
Obligations of States and Political Subdivisions		0		0			0		0			0		0
Corporate Securities		4,536		(562	)		0		0			4,536		(562	)
Pooled Trust Preferred Collateralized Debt Obligations		0		0			22,927		(31,785	)		22,927		(31,785	)
Total Securities Available for Sale	$	61,767	$	(701	)	$	22,943	$	(31,785	)	$	84,710	$	(32,486	)

As of December 31, 2012, our corporate securities had an amortized cost and estimated fair value of $6.7 million and $7.0 million, respectively, and were comprised of single issue trust preferred securities issued primarily by money center and large regional banks. As of December 31, 2011, the same portion of the portfolio had an

75

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 11—Impairment of Investment Securities (Continued)

amortized cost of $11.8 million and an estimated fair value of $11.4 million. There were no corporate securities in an unrealized loss position as of December 31, 2012, while as of December 31, 2011, there were $0.6 million in unrealized losses related to these securities. When unrealized losses exist, management reviews each of the issuer’s asset quality, earnings trend 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 December 31, 2012, the book value of our pooled trust preferred collateralized debt obligations totaled $51.9 million with an estimated fair value of $23.4 million, which includes securities comprised of 335 banks and other financial institutions. Two of our pooled securities are senior tranches and the remainder are mezzanine tranches, four of which have no senior class remaining in the issue. Two of the pooled issues, representing $2.2 million of the $51.9 million book value, remain above 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 December 31, 2012, after taking into account management’s best estimates of future interest deferrals and defaults, seven of our securities had no excess subordination in the tranches we own and six of our securities had excess subordination which ranged from 6% to 573% of the current performing collateral.

The following table provides additional information related to our pooled trust preferred collateralized debt obligations as of December 31, 2012:

Deal	Class	Book Value		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 I	Senior	$	1,009	$	1,005	$	(4	)	Aa3/A		17		33.33	%		159.27	%
Pre TSL IV	Mezzanine		1,830		1,111		(719	)	Caa2/CCC		6		27.07			91.00
Pre TSL V	Mezzanine		54		57		3		C/-		3		100.00			0.00
Pre TSL VII	Mezzanine		3,654		3,326		(328	)	Ca/C		16		48.92			0.00
Pre TSL VIII	Mezzanine		1,833		1,007		(826	)	C/C		32		52.99			0.00
Pre TSL IX	Mezzanine		2,268		943		(1,325	)	Ca/C		46		25.50			13.32
Pre TSL X	Mezzanine		1,388		1,165		(223	)	Ca/C		50		35.24			0.00
Pre TSL XII	Mezzanine		5,508		2,531		(2,977	)	Ca/C		71		35.35			0.00
Pre TSL XIII	Mezzanine		12,571		4,456		(8,115	)	Ca/C		63		36.87			6.48
Pre TSL XIV	Mezzanine		13,188		4,783		(8,405	)	Ca/C		61		38.97			29.37
MMCap I	Senior		1,220		1,193		(27	)	A3/A		17		50.26			573.29
MMCap I	Mezzanine		867		466		(401	)	Ca/C		17		50.26			0.00
MM Comm IX	Mezzanine		6,476		1,330		(5,146	)	Ca/CC		29		42.41			0.00
Total		$	51,866	$	23,373	$	(28,493	)

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

On a quarterly basis we evaluate our debt securities for other-than-temporary impairment. For the year ended December 31, 2012, 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

76

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 11—Impairment of Investment Securities (Continued)

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.

As of December 31, 2012 and 2011, none of the pooled trust preferred collateralized debt obligations were considered to be nonperforming securities, compared to $15.8 million which were considered nonperforming at December 31, 2010. These securities were returned to performing status in 2011 because of evidence supporting management’s estimate of future cash flows indicating that all remaining principal and interest will be received. Support for these estimates include: no other-than-temporary impairment charges have been recorded since the third quarter of 2010, improvement in the underlying collateral of these bonds evidenced by a reduced level of new interest payment deferrals and principal defaults as well as an increase in actual cures of deferring collateral.

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 December 31, 2012. 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 issuers 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 335 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

77

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 11—Impairment of Investment Securities (Continued)

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 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 December 31, 2012, 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 which 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 allows 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 December 31, 2012, indicates that no credit related other-than-temporary impairment has occurred on our pooled trust preferred securities during the year ended December 31, 2012. Based upon the analysis performed by management, it is probable that seven of our pooled trust preferred securities are expected to experience contractual principal and interest shortfalls and therefore appropriate other-than-temporary impairment charges were recorded in prior periods. These securities are identified in the table on page 76 with 0% “Excess Subordination as a % of Current Performing Collateral.” For the remaining securities in the table, our analysis as of December 31, 2012 indicates it is probable that we will collect all contractual principal and interest payments. For two of those securities, PreTSL IX and PreTSL XIV, 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 I, PreTSL IV and MMCap I-Senior. Our cash flow analysis as of December 31, 2012, 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 our current book value being below the present value of estimated future principal and interest payments. The excess for each bond of the present value of future cash flows over our current book value ranges from 13% to 148% and will be recognized as an adjustment to yield over the remaining life of these securities. During the year ended December 31, 2012, $1.5 million of the excess was recognized as an adjustment to yield on these securities.

78

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 11—Impairment of Investment Securities (Continued)

The table below provides a cumulative roll forward of credit losses recognized in earnings for debt securities held and not intended to be sold for the years ended December 31:

	2012			2011			2010
	(dollars in thousands)
Balance, beginning (a)	$	44,736		$	44,850		$	36,161
Credit losses on debt securities for which other-than-temporary impairment was not previously recognized		0			0			0
Additional credit losses on debt securities for which other-than-temporary impairment was previously recognized		0			0			8,689
Increases in cash flows expected to be collected, recognized over the remaining life of the security (b)		(1,462	)		(114	)		0
Balance, ending	$	43,274		$	44,736		$	44,850

(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.

On a quarterly basis, management evaluates equity securities for other-than-temporary impairment. For the years ended December 31, 2012 and 2011, there was no impairment recognized on equity securities. In 2010, $0.4 million in other than-temporary impairment charges were recognized on equity securities related to three Pennsylvania based financial institutions. When evaluating equity investments for other-than-temporary impairment we review 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. There were no equity securities in an unrealized loss position as of December 31, 2012 and 2011.

Note 12—Loans and Allowance for Credit Losses

The following table provides outstanding balances related to each of our loan types as of December 31:

	2012		2011
	(dollars in thousands)
Commercial, financial, agricultural and other	$	1,019,822	$	996,739
Real estate construction		87,438		76,564
Residential real estate		1,241,565		1,137,059
Commercial real estate		1,273,661		1,267,432
Loans to individuals		582,218		565,849
Total loans net of unearned income	$	4,204,704	$	4,043,643

79

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 12—Loans and Allowance for Credit Losses (Continued)

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 adversely 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 Bank’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. Movements between these rating categories provide 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 category for the years ended December 31:

	2012
	Commercial, financial, agricultural and other		Real estate construction		Residential real estate		Commerical real estate		Loans to individuals		Total
	(dollars in thousands)
Pass	$	925,868	$	64,353	$	1,224,849	$	1,119,093	$	582,039	$	3,916,202
Non-Pass
OAEM		31,049		925		5,647		82,581		3		120,205
Substandard		62,905		18,638		11,069		71,987		176		164,775
Doubtful		0		3,522		0		0		0		3,522
Total Non-Pass		93,954		23,085		16,716		154,568		179		288,502
Total	$	1,019,822	$	87,438	$	1,241,565	$	1,273,661	$	582,218	$	4,204,704

80

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 12—Loans and Allowance for Credit Losses (Continued)

Credit Quality Information (Continued)

	2011
	Commercial, financial, agricultural and other		Real estate construction		Residential real estate		Commercial real estate		Loans to individuals		Total
	(dollars in thousands)
Pass	$	904,057	$	44,914	$	1,126,143	$	1,110,664	$	565,842	$	3,751,620
Non-Pass
OAEM		27,627		4,238		5,484		61,855		7		99,211
Substandard		60,114		21,701		5,432		94,913		0		182,160
Doubtful		4,941		5,711		0		0		0		10,652
Total Non-Pass		92,682		31,650		10,916		156,768		7		292,023
Total	$	996,739	$	76,564	$	1,137,059	$	1,267,432	$	565,849	$	4,043,643

Portfolio Risks

Credit quality of our loan portfolio represents significant risk to our earnings, capital, regulatory agency relationships, investment community 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.

Total gross charge-offs for the year ended December 31, 2012 were $17.0 million. Total gross charge-offs for the year ended December 31, 2011 were $68.3 million, including charge-offs of $9.5 million recognized on loans transferred to held for sale.

Criticized loans have been evaluated with respect to the adequacy of the allowance for credit losses which we believe is adequate at this time. 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. The credit administration department continually monitors and evaluates those evolving factors in order to adjust the allowance for credit losses.

Our local markets of western Pennsylvania, which comprise 91% of our loan portfolio, have not been as intensely affected by the most recent economic recession as some other regions of the country and are evidencing a quicker economic recovery. We believe adhering to tighter geographic markets and credit standards will improve ongoing credit quality in the portfolios.

Risk factors associated with commercial real estate and construction related loans are monitored closely since this is an area that represents the most significant portion of the loan portfolio and has experienced the most stress during the economic downturn and has evidenced little recovery strength.

81

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 12—Loans and Allowance for Credit Losses (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 December 31. 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.

	2012
	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	$	991	$	620	$	288	$	29,258	$	31,157	$	988,665	$	1,019,822
Real estate construction		2		19		15		9,778		9,814		77,624		87,438
Residential real estate		6,597		2,357		730		9,283		18,967		1,222,598		1,241,565
Commercial real estate		3,339		1,389		195		46,023		50,946		1,222,715		1,273,661
Loans to individuals		3,140		934		1,219		176		5,469		576,749		582,218
Total	$	14,069	$	5,319	$	2,447	$	94,518	$	116,353	$	4,088,351	$	4,204,704

	2011
	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	$	5,433	$	824	$	287	$	33,459	$	40,003	$	956,736	$	996,739
Real estate construction		0		180		0		14,911		15,091		61,473		76,564
Residential real estate		7,144		2,100		8,767		3,153		21,164		1,115,895		1,137,059
Commercial real estate		3,671		1,241		157		26,953		32,022		1,235,410		1,267,432
Loans to individuals		2,952		962		1,804		0		5,718		560,131		565,849
Total	$	19,200	$	5,307	$	11,015	$	78,476	$	113,998	$	3,929,645	$	4,043,643

Nonaccrual Loans

The previous table summarizes 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. In periods prior to the third quarter of 2012, if a consumer loan was well secured and in the process of collection, it remained on accrual status, as delinquency was not a factor in moving it to nonaccrual status.

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 become 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 doubtful.

82

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 12—Loans and Allowance for Credit Losses (Continued)

Impaired Loans

Management considers loans to be impaired when, based on current information and events, it is determined that the company will probably 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 or repayment for 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 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.

Included in the 2011 total of nonperforming loans was $13.4 million of loans held for sale. While these loans were considered to be nonperforming, they were not taken into consideration when determining the allowance for credit losses as they were carried at the lower of cost or fair value. Nonperforming loans at December 31, 2011 included an $11.3 million loan for a waste management company, which was classified as a troubled debt restructured loan. This loan was paid off in full in January 2012. Additionally, a $10.3 million loan to an information technology firm was returned to accrual status in the second quarter of 2012.

The most significant loans placed in nonperforming status during 2012, include $6.5 million to a western Pennsylvania in-patient health care facility, $4.9 million commercial real estate loan for student housing in western Pennsylvania, $4.6 million for a hotel resort syndication loan located in the state of Washington, $3.8 million for a commercial real estate loan to a nonprofit institution in Alabama, $2.8 million to a western Pennsylvania construction firm, and $2.5 million to a manufacturer of medical equipment in Pennsylvania. In addition to the aforementioned loans which were placed on nonaccrual status, a $3.3 million commercial real estate loan in western Pennsylvania was modified with a maturity extension and therefore was classified as a TDR. Also, impacting the balance of nonperforming loans at December 31, 2012, was the inclusion of $6.7 million in consumer loans which were 150 days or more past due. Of the consumer loans on nonaccrual status as of December 31, 2012, $6.5 million of the $6.7 million, were residential real estate loans.

Unfunded commitments related to nonperforming loans were $4.6 million and $6.7 million at December 31, 2012 and 2011, respectively. After consideration of available collateral related to these commitments, an off balance sheet reserve of $0.2 million was established for these commitments at December 31, 2012 and 2011.

Significant nonaccrual loans as of December 31, 2012 include the following;

• $19.1 million, the remaining portion of a $44.1 million unsecured loan to a western Pennsylvania real estate developer. This loan was originated in 2004 and was placed in nonaccrual status in the fourth quarter of 2009. A settlement plan with the borrower and three other lenders was reached in the fourth quarter of 2010 and resulted in an $8.0 million principal payment and a $15.4 million partial charge-off.

• $15.7 million commercial real estate loan for a real estate developer in eastern Pennsylvania. This loan was originated in 2007 and restructured in the fourth quarter of 2011 which resulted in a charge-off of $4.2 million. The most recent appraisal for the real estate collateral was completed in the third quarter of 2011, as the bank was expecting a fourth quarter external refinance of this loan.

83

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 12—Loans and Allowance for Credit Losses (Continued)

Impaired Loans (Continued)

• $6.5 million commercial real estate loan to an in-patient health care facility in western Pennsylvania. This loan was originated in 2008 and placed in nonaccrual status in September 2012. The most recent appraisal for the real estate collateral was completed in the fourth quarter of 2012.

• $4.9 million for a western Pennsylvania student housing complex. This loan was originated in 2008 and placed in nonaccrual status in December 2012. The most recent appraisal for the real estate collateral was completed in the fourth quarter of 2012.

• $4.6 million real estate secured loan to a hotel resort syndication in Washington. This loan was originated in 2007 and placed in nonaccrual status in December of 2012. The most recent appraisals for the real estate collateral were completed in the second quarter of 2012.

The following tables include the recorded investment and unpaid principal balance for impaired loans with the associated allowance amount, if applicable, as of December 31, 2012 and 2011. Also presented are the average recorded investment in impaired loans and the related amount of interest recognized while the loan was considered impaired for the years ended December 31, 2012, 2011 and 2010. Average balances are calculated based on month-end balances of the loans for the period reported.

	2012
	Recorded Investment		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
	(dollars in thousands)
With no related allowance recorded:
Commercial, financial, agricultural and other	$	8,080	$	8,983	$	0	$	9,217	$	173
Real estate construction		8,491		35,555		0		11,912		0
Residential real estate		7,928		8,401		0		8,114		72
Commercial real estate		33,259		35,401		0		28,574		66
Loans to individuals		256		256		0		103		2
Subtotal		58,014		88,596		0		57,920		313
With an allowance recorded:
Commercial, financial, agricultural and other		26,532		27,412		10,331		21,979		9
Real estate construction		2,756		3,087		300		1,457		0
Residential real estate		2,695		2,696		780		1,599		15
Commercial real estate		17,558		17,896		6,367		5,024		32
Loans to individuals		0		0		0		0		0
Subtotal		49,541		51,091		17,778		30,059		56
Total	$	107,555	$	139,687	$	17,778	$	87,979	$	369

84

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 12—Loans and Allowance for Credit Losses (Continued)

Impaired Loans (Continued)

	2011
	Recorded Investment		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
	(dollars in thousands)
With no related allowance recorded:
Commercial, financial, agricultural and other	$	2,010	$	3,418	$	0	$	3,887	$	20
Real estate construction		10,814		20,161		0		23,254		10
Residential real estate		3,125		3,513		0		2,702		9
Commercial real estate		36,777		41,974		0		35,817		799
Loans to individuals		0		0		0		10		0
Subtotal		52,726		69,066		0		65,670		838
With an allowance recorded:
Commercial, financial, agricultural and other		34,056		34,341		9,069		30,456		152
Real estate construction		6,298		21,402		2,960		14,465		0
Residential real estate		955		955		93		615		7
Commercial real estate		4,717		4,863		1,114		28,716		396
Loans to individuals		0		0		0		0		0
Subtotal		46,026		61,561		13,236		74,252		555
Total	$	98,752	$	130,627	$	13,236	$	139,922	$	1,393

	2010
	Average Recorded Investment		Interest Income Recognized
	(dollars in thousands)
With no related allowance recorded:
Commercial, financial, agricultural and other	$	6,051	$	0
Real estate construction		35,898		0
Residential real estate		3,165		0
Commercial real estate		24,198		12
Loans to individuals		58		0
Subtotal		69,370		12
With an allowance recorded:
Commercial, financial, agricultural and other		43,778		14
Real estate construction		16,641		0
Residential real estate		237		0
Commercial real estate		10,711		4
Loans to individuals		0		0
Subtotal		71,367		18
Total	$	140,737	$	30

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.

85

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 12—Loans and Allowance for Credit Losses (Continued)

Impaired Loans (Continued)

As a result of adopting the amendments in ASU 2011-02, all restructurings that occurred on or after January 1, 2011 were assessed for identification as troubled debt restructurings considering the new guidance. No additional troubled debt restructurings were identified for loans for which the allowance for credit losses would have previously been measured under a general allowance for credit losses methodology.

The following table provides detail as to the total troubled debt restructured loans and total commitments outstanding on troubled debt restructured loans as of December 31:

	2012		2011		2010
	(dollars in thousands)
Troubled debt restructured loans
Accrual status	$	13,037	$	20,276	$	1,336
Nonaccrual status		50,979		44,841		31,410
Total	$	64,016	$	65,117	$	32,746
Commitments
Letters of credit	$	1,574	$	12,580	$	11,321
Unused lines of credit		0		42		1,095
Total	$	1,574	$	12,622	$	12,416

During, 2012, a $2.8 million nonaccrual loan to a water treatment plant and a $3.7 million accruing loan to a gas well servicing operation were each restructured with a twelve month principal forbearance. The nonaccrual loan is fully reserved for while the accruing loan is secured by company assets with no reserve allocation. These loans are part of a $17.0 million commercial loan relationship with a shallow gas well operator whose business has been impacted by the sharp decline in natural gas prices due to the success of Marcellus deep well drilling. In addition to these two loans, other loans in this relationship include loans to a related exploration and production company and loans to the principal which are secured by real estate and investment securities.

Also, in 2012 a $3.3 million commercial real estate loan was restructured with a six month maturity extension. This loan has remained on accruing status and the collateral shortfall is fully reserved.

During 2012, all decreases in balances between the pre-modification and post-modification balance are due to customer payments.

During 2011, a $2.7 million charge-off was recorded in relation to the transfer to held for sale of one of the loans included in commercial real estate in the table below. The sale of this loan was completed in 2012. Three commercial real estate loans, totaling $10.2 million, were classified as troubled debt restructured loans during 2011 and subsequently paid off prior to December 31, 2011. In addition, $5.6 million was charged-off in the restructuring of one relationship modified during the fourth quarter of 2011. As December 31, 2012, the remaining balance of the loans included in this relationship is $17.4 million. The remainder of changes in loan balances for 2011 between the pre-modification balance and the post-modification balance is due to customer payments.

During 2010, a $15.4 million charge-off was recorded on a loan to a Pennsylvania real estate developer. The remaining changes between pre-modification balances and post-modification balances during 2010 are due to customer payments.

86

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 12—Loans and Allowance for Credit Losses (Continued)

Impaired Loans (Continued)

The outstanding commitments as of December 31, 2011 and 2010 were primarily committed to one loan relationship that paid off in full in January 2012.

The following tables provide detail, including specific reserve and reasons for modification, related to loans identified as troubled debt restructurings during the years ending December 31:

	2012
			Reason for Modification
	Number of Contracts		Extend Maturity		Modify Rate		Modify Payments		Other		Total Pre-Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Specific Reserve
	(dollars in thousands)
Commercial, financial, agricultural and other		12	$	1,599	$	187	$	9,476	$	0	$	11,262	$	11,335	$	4,237
Real estate construction		2		1,697		0		0		0		1,697		2,133		200
Residential real estate		25		200		132		697		48		1,077		973		69
Commercial real estate		4		3,280		4,308		71		0		7,659		7,607		409
Loans to individuals		17		0		97		88		6		191		173		0
Total		60	$	6,776	$	4,724	$	10,332	$	54	$	21,886	$	22,221	$	4,915

	2011
			Reason for 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		13	$	100	$	475	$	2,218	$	2,793	$	2,749	$	743
Real estate construction		6		2,554		86		0		2,640		2,852		0
Residential real estate		10		0		515		601		1,116		1,100		65
Commercial real estate		22		17,202		24,226		2,311		43,739		25,292		507
Total		51	$	19,856	$	25,302	$	5,130	$	50,288	$	31,993	$	1,315

	2010
			Reason for 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		7	$	250	$	105	$	36,591	$	36,946	$	21,180	$	4,972
Real estate construction		2		109		2,070		0		2,179		1,051		0
Residential real estate		2		0		13		57		70		67		0
Commercial real estate		4		0		10,685		241		10,926		9,870		3
Total		15	$	359	$	12,873	$	36,889	$	50,121	$	32,168	$	4,975

87

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 12—Loans and Allowance for Credit Losses (Continued)

Impaired Loans (Continued)

The troubled debt restructurings included in the above tables are also included in the impaired loan tables provided earlier in this footnote. Loans defined as modified due to a change in rate 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 years ended December 31, 2012, 2011 and 2010, $4.7 million, $25.2 million and $0.1 million, respectively, of total rate modifications represent loans with modifications to the rate as well as payment due to reamortization.

A troubled debt restructuring is considered to be in default when a restructured loan is 90 days or more past due. As of December 31, 2012, there were no loans restructured within the preceding twelve months which were considered to be in default. As of December 31, 2011, a $4.1 million commercial real estate loan, restructured during the first quarter of 2011 was considered to be in default. As of December 31, 2011, this loan was transferred to held for sale and the sale was completed in 2012. As of December 31, 2010, there were no loans restructured within the preceding twelve months which were considered to be in default.

The following tables provide detail related to the allowance for credit losses for the years ended December 31:

	2012
	Commercial, financial, agricultural and other			Real estate construction			Residential real estate			Commercial real estate			Loans to individuals			Unallocated		Total
	(dollars in thousands)
Allowance for credit losses:
Beginning Balance	$	18,200		$	6,756		$	8,237		$	18,961		$	4,244		$	4,836	$	61,234
Charge-offs		(5,207	)		(3,601	)		(3,828	)		(851	)		(3,482	)		0		(16,969	)
Recoveries		443			582			422			410			521			0		2,378
Provision		6,416			5,191			1,077			3,921			2,849			1,090		20,544
Ending Balance	$	19,852		$	8,928		$	5,908		$	22,441		$	4,132		$	5,926	$	67,187
Ending balance: individually evaluated for impaired	$	10,331		$	300		$	780		$	6,367		$	0		$	0	$	17,778
Ending balance: collectively evaluated for impaired		9,521			8,628			5,128			16,074			4,132			5,926		49,409
Loans:
Ending balance		1,019,822			87,438			1,241,565			1,273,661			582,218					4,204,704
Ending balance: individually evaluated for impaired		33,443			11,177			6,444			49,123			0					100,187
Ending balance: collectively evaluated for impaired		986,379			76,261			1,235,121			1,224,538			582,218					4,104,517

88

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 12—Loans and Allowance for Credit Losses (Continued)

Impaired Loans (Continued)

	2011
	Commercial, financial, agricultural and other			Real estate construction			Residential real estate			Commercial real estate			Loans to individuals			Unallocated			Total
	(dollars in thousands)
Allowance for credit losses:
Beginning Balance	$	21,700		$	18,002		$	5,454		$	16,913		$	4,215		$	4,945		$	71,229
Charge-offs		(7,114	)		(28,886	)		(4,107	)		(24,861	)		(3,325	)		0			(68,293	)
Recoveries		473			955			132			349			573			0			2,482
Provision		3,141			16,685			6,758			26,560			2,781			(109	)		55,816
Ending Balance	$	18,200		$	6,756		$	8,237		$	18,961		$	4,244		$	4,836		$	61,234
Ending balance: individually evaluated for impaired	$	9,069		$	2,960		$	93		$	1,114		$	0		$	0		$	13,236
Ending balance: collectively evaluated for impaired		9,131			3,796			8,144			17,847			4,244			4,836			47,998
Loans:
Ending balance		996,739			76,564			1,137,059			1,267,432			565,849						4,043,643
Ending balance: individually evaluated for impaired		37,639			14,667			2,606			39,832			0						94,744
Ending balance: collectively evaluated for impaired		959,100			61,897			1,134,453			1,227,600			565,849						3,948,899

	2010
	Commercial, financial, agricultural and other			Real estate construction			Residential real estate			Commercial real estate			Loans to individuals			Unallocated		Total
	(dollars in thousands)
Allowance for credit losses:
Beginning Balance	$	31,369		$	18,224		$	5,847		$	17,526		$	4,731		$	3,942	$	81,639
Charge-offs		(22,293	)		(41,483	)		(5,226	)		(2,466	)		(3,841	)		0		(75,309	)
Recoveries		2,409			0			252			163			523			0		3,347
Provision		10,215			41,261			4,581			1,690			2,802			1,003		61,552
Ending Balance	$	21,700		$	18,002		$	5,454		$	16,913		$	4,215		$	4,945	$	71,229
Ending balance: individually evaluated for impaired	$	6,709		$	11,855		$	56		$	5,287		$	0		$	0	$	23,907
Ending balance: collectively evaluated for impaired		14,991			6,147			5,398			11,626			4,215			4,945		47,322
Loans:
Ending balance		913,814			261,482			1,127,273			1,354,074			561,440					4,218,083
Ending balance: individually evaluated for impaired		25,694			44,485			832			42,863			0					113,874
Ending balance: collectively evaluated for impaired		888,120			216,997			1,126,441			1,311,211			561,440					4,104,209

89

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 13—Variable Interest Entities

As defined by FASB ASC 810-10, “Consolidation,” a Variable Interest Entity (“VIE”) is a corporation, partnership, trust or any other legal structure used for business purposes that either (a) does not have equity investors with voting rights or (b) has equity investors that do not provide sufficient financial resources for the entity to support its activities. Under ASC 810-10, an entity that holds a variable interest in a VIE is required to consolidate the VIE if the entity is deemed to be the primary beneficiary, which generally means it is subject to a majority of the risk of loss from the VIE’s activities, is entitled to receive a majority of the entity’s residual returns, or both.

First Commonwealth’s VIEs are evaluated under the guidance included in ASU 2009-17. These VIEs include qualified affordable housing projects that First Commonwealth has invested in as part of its community reinvestment initiatives. We periodically assess whether or not our variable interests in these VIEs, based on qualitative analysis, provide us with a controlling interest in the VIE. The analysis includes an assessment of the characteristics of the VIE. We do not have a controlling financial interest in the VIE, which would require consolidation of the VIE, as we do not have the following characteristics: (1) the power to direct the activities that most significantly impact the VIE’s economic performance; and (2) the obligation to absorb losses or the right to receive benefits from the VIE that could potentially be significant to the VIE.

First Commonwealth’s maximum potential exposure is equal to its carrying value and is summarized in the table below as of December 31:

	2012		2011
	(dollars in thousands)
Low Income Housing Limited Partnership Investments	$	347	$	667

Note 14—Commitments and Letters of Credit

First Commonwealth is a party to financial instruments with off-balance sheet risk in the normal course of business to meet the financial needs of its customers. These financial instruments include commitments to extend credit, standby letters of credit and commercial letters of credit. Those instruments involve, to varying degrees, elements of credit and interest rate risk in excess of the amount recognized in the statements of financial condition. First Commonwealth’s exposure to credit loss in the event of nonperformance by the other party of the financial instrument for commitments to extend credit, standby letters of credit and commercial letters of credit is represented by the contract or notional amount of those instruments. First Commonwealth uses the same credit policies for underwriting all loans, including these commitments and conditional obligations.

As of December 31, 2012 and 2011, First Commonwealth did not own or trade other financial instruments with significant off-balance sheet risk including derivatives such as futures, forwards, option contracts and the like, although such instruments may be appropriate to use in the future to manage interest rate risk. See Note 7 “Derivatives” for a description of interest rate swaps provided to customers.

The following table identifies the notional amount of those instruments at December 31:

	2012		2011
	(dollars in thousands)
Financial instruments whose contract amounts represent credit risk:
Commitments to extend credit	$	1,506,618	$	1,495,009
Financial standby letters of credit		47,185		53,689
Performance standby letters of credit		69,240		76,371
Commercial letters of credit		685		1,297

90

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 14—Commitments and Letters of Credit (Continued)

Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. Since many of the commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily represent future cash requirements. First Commonwealth evaluates each customer’s creditworthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary by First Commonwealth upon extension of credit, is based on management’s credit evaluation of the counterparty. Collateral that is held varies but may include accounts receivable, inventory, property, plant and equipment, and residential and income-producing commercial properties.

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. Those guarantees are primarily issued to support public and private borrowing arrangements. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers.

The current notional amounts outstanding at December 31, 2012 include financial standby letters of credit of $0.4 million, performance standby letters of credit of $10.9 million and commercial letters of credit of $0.4 million issued during 2012. A liability of $0.2 million has been recorded as of December 31, 2012 and 2011, 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 in these commitments resulted in the recording of a liability of $2.4 million and $1.5 million as of December 31, 2012 and 2011, respectively. 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.

Note 15—Premises and Equipment

Premises and equipment are described as follows:

	Estimated Useful Life	2012		2011
	(dollars in thousands)
Land	Indefinite	$	12,503	$	12,513
Buildings and improvements	10-50 years		81,328		81,072
Leasehold improvements	5-40 years		14,617		14,536
Furniture and equipment	3-10 years		79,181		79,722
Software	3-10 years		40,199		33,479
Subtotal			227,828		221,322
Less accumulated depreciation and amortization			158,858		154,567
Total premises and equipment		$	68,970	$	66,755

Depreciation related to premises and equipment included in noninterest expense for the years ended December 31, 2012, 2011 and 2010 amounted to $7.9 million, $8.3 million and $8.6 million, respectively.

91

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 15—Premises and Equipment (Continued)

First Commonwealth leases various premises and assorted equipment under non-cancelable agreements. Total future minimal rental commitments at December 31, 2012, were as follows:

	Premises		Equipment
	(dollars in thousands)
2013	$	3,341	$	207
2014		3,166		18
2015		2,979		0
2016		2,795		0
2017		2,544		0
Therafter		17,070		0
Total	$	31,895	$	225

Included in the lease commitments above is $431 thousand in lease payments to be paid under a sale-leaseback arrangement. The sale-leaseback transaction occurred in 2005 and resulted in a gain of $297 thousand on the sale of a branch that is being recognized over the 15 year lease term through 2020.

Increases in utilities and taxes that may be passed on to the lessee under the terms of various lease agreements are not reflected in the above table. However, certain lease agreements provide for increases in rental payments based upon historical increases in the consumer price index or the lessor’s cost of operating the facility, and are included in the minimum lease commitments. Additionally, the table above includes rent expense that is recognized for rent holidays and during construction periods. Total lease expense amounted to $4.3 million in 2012, and $4.4 million in both 2011 and 2010.

Note 16—Goodwill and Other Amortizing Intangible Assets

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 goodwill testing is required, an assessment of qualitative factors can be completed before performing the two step goodwill impairment test. ASU 2011-08 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 December 31, 2012 and 2011 was $159.9 million. No impairment charges on goodwill or other intangible assets were incurred in 2012, 2011 or 2010.

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.

An assessment of qualitative factors was completed as of December 31, 2012 and indicated that it is more likely than not that the fair value of First Commonwealth exceeds its carrying amount, therefore the two step goodwill impairment test was not considered necessary. The assessment of qualitative factors incorporated the results of the Step 1 goodwill impairment test completed as of November 30, 2012 as well as macroeconomic factors, industry and market considerations, the company’s overall financial performance, and other company specific events occurring since the completion of the November 30, 2012 test.

92

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 16—Goodwill and Other Amortizing Intangible Assets (Continued)

As of November 30, 2012, our annual goodwill test was completed. The first step compares the estimated fair value of First Commonwealth with its carrying amount, including goodwill. If the estimated fair value exceeds its carrying amount, goodwill is not considered impaired. However, if the carrying amount exceeds its estimated fair value, a second step would be performed that would compare the implied fair value to the carrying amount of goodwill. An impairment loss would be recorded to the extent that the carrying amount of goodwill exceeds its implied fair value.

Fair value may be determined using market prices, comparison to similar assets, market multiples, discounted cash flow analysis and other variables. Our Step 1 test for potential goodwill impairment incorporates both income and market based analyses. The income analysis used in our Step 1 incorporates estimated cash flows which extend five years into the future and, by their nature, are difficult to estimate over such an extended time-frame. Factors that may significantly affect the estimates used in our Step 1 income analysis include, but are not limited to, balance sheet growth assumptions, credit losses in our investment and loan portfolios, competitive pressures in our market area, changes in customer base and customer product preferences, changes in revenue growth trends, cost structure, changes in discount rates, conditions in the banking sector and general economic variables.

The market approach used in the Step 1 test calculates the change of control price a market participant would pay by adding a change of control premium to the current trading value of the Company.

As of November 30, 2012, our Step 1 goodwill analysis indicated that our fair value was approximately 6% above book value. Therefore in accordance with ASC Topic 350-20-35-8, a Step 2 analysis was not necessary and goodwill was not considered impaired.

As of December 31, 2012, goodwill was not considered impaired; however, changing economic conditions that may adversely affect our performance, fair value of our assets and liabilities, or 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.

FASB ASC Topic 350, “Intangibles—Other” also requires that an acquired intangible asset be separately recognized if the benefit of the intangible asset is obtained through contractual or other legal rights, or if the asset can be sold, transferred, licensed, rented or exchanged, regardless of the acquirer’s intent to do so.

The following table summarizes other intangible assets, which for each year includes only core deposit intangibles:

	Gross Intangible Assets		Accumulated Amortization			Net Intangible Assets
	(dollars in thousands)
December 31, 2012	$	22,470	$	(20,095	)	$	2,375
December 31, 2011	$	22,470	$	(18,627	)	$	3,843

Core deposits are amortized over their expected lives using the present value of the benefit of the core deposits and straight-line methods of amortization. The core deposits have a remaining amortization period of seven years and a weighted average amortization period of approximately three and a half years. First Commonwealth recognized amortization expense on other intangible assets of $1.5 million, $1.5 million, and $2.0 million for the years ended December 31, 2012, 2011 and 2010, respectively.

93

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 16—Goodwill and Other Amortizing Intangible Assets (Continued)

The following presents the estimated amortization expense of core deposit intangibles:

	Core Deposit Intangibles
	(dollars in thousands)
2013	$	1,064
2014		615
2015		337
2016		177
2017		62
Therafter		120
Total	$	2,375

Note 17—Interest-Bearing Deposits

Components of interest-bearing deposits at December 31 were as follows:

	2012		2011
	(dollars in thousands)
Interest-bearing demand deposits	$	97,963	$	95,945
Savings deposits		2,543,990		2,430,802
Time deposits		1,032,659		1,197,560
Total interest-bearing deposits	$	3,674,612	$	3,724,307

Interest-bearing deposits at December 31, 2012 and 2011, include allocations from interest-bearing demand deposit accounts of $581.5 million and $541.7 million, respectively, into savings which includes money market accounts. These reallocations are based on a formula and have been made to reduce First Commonwealth’s reserve requirement in compliance with regulatory guidelines.

Included in time deposits at December 31, 2012 and 2011, were certificates of deposit in denominations of $100 thousand or more of $322.4 million and $317.0 million, respectively.

Interest expense related to certificates of deposit $100 thousand or greater amounted to $5.3 million in 2012, $7.4 million in 2011 and $9.4 million in 2010.

Included in time deposits at December 31, 2012, were certificates of deposit with the following scheduled maturities (dollars in thousands):

2013	$	503,806
2014		245,699
2015		163,531
2016		82,024
2017 and thereafter		37,599
Total	$	1,032,659

94

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 18—Short-term Borrowings

Short-term borrowings at December 31 were as follows:

	2012							2011							2010
	Ending Balance		Average Balance		Average Rate			Ending Balance		Average Balance		Average Rate			Ending Balance		Average Balance		Average Rate
	(dollars in thousands)
Federal funds purchased	$	34,000	$	47,727		0.27	%	$	75,300	$	15,642		0.26	%	$	12,800	$	40,322		0.26	%
Borrowings from FHLB		178,100		214,703		0.25			84,000		7,537		0.21			0		277,329		0.39
Securities sold under agreements to repurchase		144,127		139,766		0.28			153,477		155,551		0.43			170,563		165,945		0.47
Treasury, tax and loan note option		0		0		0.00			0		4,134		0.00			4,498		4,482		0.00
Total	$	356,227	$	402,196		0.27		$	312,777	$	182,864		0.40		$	187,861	$	488,078		0.40
Maximum total at any month-end	$	486,144						$	312,777						$	1,000,753
Weighted average rate at year-end						0.25	%						0.28	%						0.43	%

Interest expense on short-term borrowings for the years ended December 31 is detailed below:

	2012		2011		2010
	(dollars in thousands)
Federal funds purchased	$	128	$	41	$	105
Borrowings from FHLB		545		16		1,069
Securities sold under agreements to repurchase		397		671		774
Total interest on short-term borrowings	$	1,070	$	728	$	1,948

Note 19—Subordinated Debentures

Subordinated Debentures outstanding at December 31 are as follows:

			2012					2011
	Due		Amount		Rate			Amount		Rate
			(dollars in thousands)
Owed to:
First Commonwealth Capital Trust I		2029	$	33,583		9.50	%	$	33,583		9.50	%
First Commonwealth Capital Trust II		2034		30,929		LIBOR + 2.85			30,929		LIBOR + 2.85
First Commonwealth Capital Trust III		2034		41,238		LIBOR + 2.85			41,238		LIBOR + 2.85
Total			$	105,750				$	105,750

First Commonwealth has established three trusts, First Commonwealth Capital Trust I, First Commonwealth Capital Trust II, and First Commonwealth Capital Trust III, of which 100% of the common equity is owned by First Commonwealth. The trusts were formed for the purpose of issuing company obligated mandatorily redeemable capital securities to third-party investors and investing the proceeds from the sale of the capital securities solely in junior subordinated debt securities (“subordinated debentures”) of First Commonwealth. The subordinated debentures held by each trust are the sole assets of the trust.

95

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 19—Subordinated Debentures (Continued)

Interest on the debentures issued to First Commonwealth Capital Trust III is paid quarterly at a floating rate of LIBOR plus 2.85% which is reset quarterly. Subject to regulatory approval, First Commonwealth may redeem the debentures, in whole or in part, at its option on any interest payment date at a redemption price equal to 100% of the principal amount of the debentures, plus accrued and unpaid interest to the date of the redemption. Deferred issuance costs of $630 thousand are being amortized on a straight-line basis over the term of the securities.

Interest on the debentures issued to First Commonwealth Capital Trust II is paid quarterly at a floating rate of LIBOR plus 2.85%, which is reset quarterly. Subject to regulatory approval, First Commonwealth may redeem the debentures, in whole or in part, at its option at a redemption price equal to 100% of the principal amount of the debentures, plus accrued and unpaid interest to the date of the redemption. Deferred issuance costs of $471 thousand are being amortized on a straight-line basis over the term of the securities.

Interest on debentures issued to First Commonwealth Capital Trust I is paid semiannually at a fixed rate of 9.50%. Deferred issuance costs of $996 thousand are being amortized on a straight-line basis over the term of the securities. On January 29, 2013, the Company’s Board of Directors authorized the redemption of 100% of the debenture on April 1, 2013, at a redemption price of 103.325% of the principal amount, plus accrued and unpaid interest to the date of the redemption.

Note 20—Other Long-term Debt

Other long-term debt at December 31 follows:

	2012								2011
	Amount		Weighted Average Contractual Rate			Weighted Average Effective Rate			Amount		Weighted Average Contractual Rate			Weighted Average Effective Rate
	(dollars in thousands)
ESOP loan due:
2012									$	1,600		LIBOR + 1.00	%		LIBOR + 1.00	%
Borrowings from FHLB due:
2012										25,585		1.54	%		1.53
2013	$	30,085		2.32	%		2.32	%		30,085		2.32			2.32
2014		57,890		1.13			1.13			7,891		5.37			5.35
2015		79,970		0.82			0.82			29,970		1.37			1.37
2016		387		4.64			4.64			388		4.64			4.64
2017		405		4.64			4.64
Thereafter		5,734		4.66			4.66			6,145		4.66			4.66
Total	$	174,471							$	101,664

The weighted average contractual rate reflects the rate due to creditors. The weighted average effective rate of long-term debt in the schedule above includes the effect of purchase accounting valuation adjustments that were recorded in connection with prior business combinations.

An FHLB advance in the amount of $7.5 million is convertible on a quarterly basis at the FHLB’s option into floating rate debt indexed to 3 month LIBOR.

All of First Commonwealth’s Federal Home Loan Bank stock, along with an interest in mortgage loans and mortgage backed securities—residential has been pledged as collateral with the Federal Home Loan Bank of Pittsburgh.

96

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 20—Other Long-term Debt (Continued)

Capital securities included in total long-term debt on the Consolidated Statements of Financial Condition are excluded from the above, but are described in Note 19 “Subordinated Debentures.”

Scheduled loan payments for other long-term debt are summarized below:

	2013		2014		2015		2016		2017		Thereafter		Total
	(dollars in thousands)
Long-term debt payments	$	29,968	$	57,852	$	79,970	$	387	$	405	$	5,734	$	174,316
Purchase valuation amortization		117		38		0		0		0		0		155
Total	$	30,085	$	57,890	$	79,970	$	387	$	405	$	5,734	$	174,471

The amounts on the purchase valuation amortization row in the table above include fair market adjustments from prior business combinations.

Note 21—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 Consolidated Statements of Financial Condition or in the “Other assets” category of the 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, certain corporate securities, FHLB stock, interest rate derivatives that include 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

97

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 21—Fair Values of Assets and Liabilities (Continued)

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 is comprised of FHLB stock whose estimated fair value is based on its par value. Additional information on FHLB stock is provided in Note 10 “Other investments.”

Interest rate derivatives are reported at 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. First Commonwealth values its interest rate swap 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 7 “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 estimated 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 2012, we have not realized any losses due to a counterparties inability to pay any net uncollateralized position.

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, loans held for sale, certain interest rate derivatives, certain impaired loans and certain other real estate.

Our pooled trust preferred collateralized debt obligations are collateralized by the trust preferred securities of individual banks, thrifts and bank holding companies in the U.S. There has been little or no active trading in

98

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 21—Fair Values of Assets and Liabilities (Continued)

these securities since 2009; therefore it was more appropriate to determine estimated fair value using a discounted cash flow analysis. Detail on the process for determining appropriate cash flows for this analysis is provided in Note 11 “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 estimated 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 the specialized third party and by confirming changes in the underlying collateral to the trustee and underwriter 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.

Loans held for sale are carried at the lower of cost or fair value with the fair value being the expected sales price of the loan. The estimated fair value of the loans held for sale was determined by calculating the discounted expected future cash flows of the loan. The discount rate applied to the future cash flows was determined based on a risk based expected return and capital structure of potential buyers. If a sales agreement has been executed, the fair value is equal to the sales price.

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 2012, we have not realized any losses due to a counterparty’s inability to pay any net uncollateralized position. However, as the result of deterioration in the counterparties (loan customers) credit quality for certain interest rate derivatives, future amounts previously believed to be collectible under the terms of the interest rate derivative have now been deemed to be uncollectible.

99

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 21—Fair Values of Assets and Liabilities (Continued)

In accordance with ASU 2011-04, 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	$	23,373		Discounted Cash Flow	Probability of default	0% - 100% (21.95%)
					Prepayment rates	0% - 100% (12.20%)
					Discount rates	6.50% - 20.00%(a)
Other Investments		1,420		Par Value	N/A	N/A
Interest Rate Swap		0		Option model	Counterparty credit risk	9.66% - 11.95%(b)
Impaired Loans		751	(c)	Reserve study	Discount rate	10.00%
					Gas per MCF	$2.92 - $5.48(d)
					Oil per BBL/d	$84.64 - $96.86(d)
					NGL per gallon	$1.42(d)
Other Real Estate Owned		247		Internal Valuation	N/A	N/A(a)

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

(b) represents the range of the credit spread curve used in valuation.

(c) 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.

(d) unobservable inputs are defined as follows: MCF—million cubic feet; BBL/d—barrels per day; NGL—natural gas liquid.

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 higher fair value measurement. Other unobservable inputs in the fair value measurement of impaired loans relate to gas, oil and natural gas prices and increases in these rates 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 significant unobservable input used in the fair value measurement of interest rate swaps classified as Level 3 is counterparty credit risk and the resulting range of the credit spread curve used in the valuation. Higher credit risk would result in an increased credit spread, which would reduce the fair value of the interest rate swap.

100

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 21—Fair Values of Assets and Liabilities (Continued)

The tables below present the balances of assets and liabilities measured at fair value on a recurring basis at December 31:

	2012
	Level 1		Level 2		Level 3		Total
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities—Residential	$	0	$	31,664	$	0	$	31,664
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities—Residential		0		864,401		0		864,401
Mortgage-Backed Securities—Commercial		0		149		0		149
Other Government-Sponsored Enterprises		0		242,664		0		242,664
Obligations of States and Political Subdivisions		0		86		0		86
Corporate Securities		0		6,991		0		6,991
Pooled Trust Preferred Collateralized Debt Obligations		0		0		23,373		23,373
Total Debt Securities		0		1,145,955		23,373		1,169,328
Equities		555		0		1,420		1,975
Total Securities Available for Sale		555		1,145,955		24,793		1,171,303
Other Investments		0		28,228		0		28,228
Loans Held for Sale		0		0		0		0
Other Assets (a)		0		16,480		0		16,480
Total Assets	$	555	$	1,190,663	$	24,793	$	1,216,011
Other Liabilities (a)	$	0	$	18,726	$	0	$	18,726
Total Liabilities	$	0	$	18,726	$	0	$	18,726

(a) Non-hedging interest rate derivatives

101

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 21—Fair Values of Assets and Liabilities (Continued)

	2011
	Level 1		Level 2		Level 3		Total
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities—Residential	$	0	$	36,194	$	0	$	36,194
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities—Residential		0		801,031		0		801,031
Mortgage-Backed Securities—Commercial		0		193		0		193
Other Government-Sponsored Enterprises		0		268,648		0		268,648
Obligations of States and Political Subdivisions		0		459		0		459
Corporate Securities		0		11,411		0		11,411
Pooled Trust Preferred Collateralized Debt Obligations		0		0		22,980		22,980
Total Debt Securities		0		1,117,936		22,980		1,140,916
Equities		440		0		1,420		1,860
Total Securities Available for Sale		440		1,117,936		24,400		1,142,776
Other Investments		0		39,796		0		39,796
Loans Held for Sale		0		0		13,412		13,412
Other Assets (a)		0		16,064		0		16,064
Total Assets	$	440	$	1,173,796	$	37,812	$	1,212,048
Other Liabilities (a)	$	0	$	18,986	$	0	$	18,986
Total Liabilities	$	0	$	18,986	$	0	$	18,986

(a) Non-hedging interest rate derivatives

The changes in Level 3 assets and liabilities measured at fair value on a recurring basis are summarized as follows at for the year ended December 31, 2012:

	Pooled Trust Preferred Collateralized Debt Obligations			Equities		Loans Held for Sale			Other Assets			Total
	(dollars in thousands)
Balance, beginning of year	$	22,980		$	1,420	$	13,412		$	0		$	37,812
Total gains or losses
Included in earnings		0			0		2,870			(461	)		2,409
Included in other comprehensive income		5,490			0		0			0			5,490
Purchases, issuances, sales, and settlements
Purchases		0			0		0			0			0
Issuances		0			0		0			0			0
Sales		0			0		(15,981	)		0			(15,981	)
Settlements		(5,097	)		0		(301	)		0			(5,398	)
Transfers from Level 3		0			0		0			0			0
Transfers into Level 3		0			0		0			461			461
Balance, end of year	$	23,373		$	1,420	$	0		$	0		$	24,793

There are no gains or losses included in earnings for the period that are attributable to the change in realized gains (losses) relating to assets held at December 31, 2012.

102

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 21—Fair Values of Assets and Liabilities (Continued)

During the year ended December 31, 2012, there were no transfers between fair value Levels 1 and 2. However, $0.5 million of interest rate swaps were transferred into Level 3 from Level 2 due to deterioration of the counterparty’s credit risk. Because the credit quality of the underlying counterparty declined below investment grade, the swaps were valued utilizing more than interest rate yield curves.

The changes in Level 3 assets and liabilities measured at fair value on a recurring basis are summarized as follows for the year ended December 31, 2011:

	Obligations of States and Political Subdivisions			Corporate Securities			Pooled Trust Preferred Collateralized Debt Obligations			Equities			Loans Held for Sale		Other Assets			Total
	(dollars in thousands)
Balance, beginning of year	$	343		$	21,376		$	26,352		$	1,570		$	0	$	0		$	49,641
Total gains or losses
Included in earnings		4			387			0			(150	)		0		(4,449	)		(4,208	)
Included in other comprehensive income		(20	)		(98	)		1,284			0			0		0			1,166
Purchases, issuances, sales, and settlements
Purchases		0			0			0			0			0		0			0
Issuances		0			0			0			0			0		0			0
Sales		(327	)		(6,700	)		0			0			0		0			(7,027	)
Settlements		0			(3,000	)		(4,656	)		0			0		(71	)		(7,727	)
Transfers from Level 3		0			(11,965	)		0			0			0		0			(11,965	)
Transfers into Level 3		0			0			0			0			13,412		4,520			17,932
Balance, end of year	$	0		$	0		$	22,980		$	1,420		$	13,412	$	0		$	37,812

There are no gains or losses included in earnings for the period that are attributable to the change in realized gains (losses) relating to assets held at December 31, 2011.

During 2011, $12.0 million of corporate securities were transferred from Level 3 to Level 2. Corporate securities were transferred from Level 3 to Level 2 based on the increased frequency in the volumes of observable trades. Fair values on these securities at December 31, 2011 were determined based on market data, including trade and bid prices. Also, during 2011, $4.5 million of interest rate swaps were transferred into Level 3 from Level 2 due to deterioration of the counterparty’s credit risk and were terminated before December 31, 2011.

The tables below present the balances of assets measured at fair value on a nonrecurring basis at December 31 and total gains and losses realized on these assets during the year ended December 31:

	2012
	Level 1		Level 2		Level 3		Total		Total Gains (Losses)
	(dollars in thousands)
Impaired loans	$	0	$	82,949	$	6,827	$	89,776	$	(13,793	)
Other real estate owned		0		11,981		247		12,228		(3,772	)
Total Assets	$	0	$	94,930	$	7,074	$	102,004	$	(17,565	)

103

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 21—Fair Values of Assets and Liabilities (Continued)

	2011
	Level 1		Level 2		Level 3		Total		Total Gains (Losses)
	(dollars in thousands)
Impaired loans	$	0	$	73,783	$	26,349	$	100,132	$	(24,636	)
Other real estate owned		0		31,232		438		31,670		(8,643	)
Total Assets	$	0	$	105,015	$	26,787	$	131,802	$	(33,279	)

Impaired loans over $0.1 million are individually reviewed to determine the amount of each loan considered to be at risk of noncollection. 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. 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.

The fair value for other real estate owned is determined by either an independent market based appraisal less estimated costs to sell or an executed sales agreement and is classified as level 2. Other real estate owned has a current carrying value of $11.3 million as of December 31, 2012 and consisted primarily of a manufacturing plant in northern Pennsylvania, residential real estate in eastern Pennsylvania and commercial real estate property in eastern 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 costs 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 this measurement is provided in Note 16 “Goodwill and Other Amortizing Intangible Assets.” There were no other assets or liabilities measured at fair value on a nonrecurring basis during 2012.

FASB ASC Topic 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 securities 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.

104

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 21—Fair Values of Assets and Liabilities (Continued)

Loans held for sale: The fair value of loans held for sale are estimated utilizing a present value of future discounted cash flows of the loan utilizing a risk based expected return to discount the value unless a sales agreement has been executed, in which case the sales price would equal 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.”

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 estimated fair value for standby letters of credit was $0.2 million at December 31, 2012 and 2011. See Note 14 “Commitments and Letters of Credit,” for additional information.

Deposit liabilities: Management estimates the fair value of deposits based on a market valuation of similar deposits. 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 estimated incremental borrowing rate for similar types of borrowing arrangements.

105

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 21—Fair Values of Assets and Liabilities (Continued)

The following table presents carrying amounts and estimated fair values of First Commonwealth’s financial instruments at December 31:

	2012
			Fair Value Measurements Using:
	Carrying Amount		Total		Level 1		Level 2		Level 3
	(dollars in thousands)
Financial assets
Cash and due from banks	$	98,724	$	98,724	$	98,724	$	0	$	0
Interest-bearing deposits		4,258		4,258		4,258		0		0
Securities available for sale		1,171,303		1,171,303		555		1,145,955		24,793
Other investments		28,228		28,228		0		28,228		0
Loans held for sale		0		0		0		0		0
Loans		4,204,704		4,245,114		0		82,949		4,162,165
Financial liabilities
Deposits		4,557,881		4,493,764		0		4,493,764		0
Short-term borrowings		356,227		356,221		0		356,221		0
Long-term debt		174,471		176,178		0		176,178		0
Subordinated debt		105,750		76,735		0		0		76,735

	2011
	Carrying Amount		Estimated Fair Value
	(dollars in thousands)
Financial assets
Cash and due from banks	$	74,967	$	74,967
Interest-bearing deposits		3,511		3,511
Securities available for sale		1,142,776		1,142,776
Other investments		39,796		39,796
Loans held for sale		13,412		13,412
Loans		4,043,643		4,113,525
Financial liabilities
Deposits		4,504,684		4,452,235
Short-term borrowings		312,777		312,777
Long-term debt		101,664		103,749
Subordinated debt		105,750		75,310

106

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 22—Income Taxes

The income tax provision (benefit) for the years ended December 31 is as follows:

	2012		2011			2010
	(dollars in thousands)
Current tax provision for income exclusive of securities transactions:
Federal	$	12,035	$	651		$	3,794
State		72		161			59
Total current tax provision		12,107		812			3,853
Deferred tax provision (benefit)		2,551		(1,192	)		(3,614	)
Total tax provision (benefit)	$	14,658	$	(380	)	$	239

The statutory to effective tax rate reconciliation for the years ended December 31 is as follows:

	2012						2011						2010
	Amount			% of Pretax Income			Amount			% of Pretax Income			Amount			% of Pretax Income
	(dollars in thousands)
Tax at statutory rate	$	19,814			35	%	$	5,213			35	%	$	8,126			35	%
Decrease resulting from:
Income from bank owned life insurance		(2,048	)		(4	)		(1,959	)		(13	)		(1,866	)		(8	)
Tax-exempt interest income, net		(2,789	)		(5	)		(3,453	)		(23	)		(5,688	)		(25	)
Tax credits		(267	)		0			(270	)		(2	)		(304	)		(1	)
Other		(52	)		0			89			0			(29	)		0
Total tax provision (benefit)	$	14,658			26	%	$	(380	)		(3	)%	$	239			1	%

The total tax provision for financial reporting differs from the amount computed by applying the statutory federal income tax rate to income before taxes. First Commonwealth ordinarily generates 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. The consistent level of tax benefits that reduce First Commonwealth’s tax rate below the 35% statutory rate produced an annual effective tax rate of 26% for the year ended December 31, 2012. The relatively low level of annual pretax income produced a tax benefit for the year ended December 31, 2011.

107

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 22—Income Taxes (Continued)

The tax effects of temporary differences between the financial statement carrying amounts and the tax bases of assets and liabilities that represent significant portions of the deferred tax assets and liabilities at December 31 are presented below:

	2012			2011
	(dollars in thousands)
Deferred tax assets:
Allowance for credit losses	$	23,515		$	21,432
Postretirement benefits other than pensions		769			841
Alternative minimum tax credit carryforward		13,026			15,247
Net operating loss carryforward		0			1,626
Writedown of other real estate owned		3,647			2,876
Other tax credit carryforward		0			1,383
Deferred compensation		2,203			2,215
Swap credit risk		772			1,037
Accrued interest on nonaccrual loans		3,887			3,161
Other-than-temporary impairment of securities		15,233			15,764
Capitalization of OREO expenses		847			826
Depreciation of assets		952			0
Unfunded loan commitment allowance		836			536
Other		1,176			2,822
Total deferred tax assets		66,863			69,766
Deferred tax liabilities:
Basis difference in assets acquired		(808	)		(1,213	)
Loan origination fees and costs		(606	)		(392	)
Income from unconsolidated subsidiary		(575	)		(551	)
Unrealized gain on securities available for sale		(592	)		(898	)
Depreciation of assets		0			(242	)
Other		(150	)		(198	)
Total deferred tax liabilities		(2,731	)		(3,494	)
Net deferred tax asset	$	64,132		$	66,272

The net deferred tax asset of $64.1 million as of December 31, 2012 includes a $13.0 million alternative minimum tax credit carryforward with an indefinite life. There is also a $15.2 million deferred tax asset for other-than-temporary impairment of securities, of which $0.3 million are potential capital losses that can only be utilized if capital gains are realized.

Management assesses all available positive and negative evidence to estimate if sufficient future taxable income will be generated to utilize the existing deferred tax assets. In evaluating deferred tax assets, future taxable income of $170.6 million, forecasted over the next three years was considered. The amount of future taxable income used in management’s valuation is based upon management approved forecasts, evaluation of historical earnings levels, proven ability to raise capital to support growth or during times of economic stress and consideration of prudent and feasible potential tax strategies. If future events differ from our current forecasts, a valuation allowance may be required, which could have a material impact on our financial condition and results of operations. Based on our evaluation, including the consideration of the weighting of positive and negative evidence, as of December 31, 2012, management has determined that no valuation allowance is necessary for the deferred tax assets because it is more likely than not that these assets will be realized through future reversals of existing temporary differences and through future taxable income.

108

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 22—Income Taxes (Continued)

First Commonwealth adopted new authoritative accounting guidance issued under FASB ASC Topic 740-10, “Accounting for Uncertainty in Income Taxes” as of January 1, 2007, and had no material unrecognized tax benefits or accrued interest and penalties as of December 31, 2012. We do not expect the total amount of unrecognized tax benefits to significantly increase in the next twelve months and will record interest and penalties as a component of noninterest expense.

First Commonwealth is subject to routine audits of our tax returns by the Internal Revenue Service as well as all states in which we conduct business. Federal and state income tax years 2009 through 2011 are open for examination as of December 31, 2012.

Note 23—Retirement Plans

First Commonwealth has a savings plan pursuant to the provisions of section 401(k) of the Internal Revenue code. Under the terms of the plan, in 2012, each participant received an employer contribution in an amount equal to 3% of their compensation. In addition, each participating employee may contribute up to 80% of their compensation to the plan of which up to 4% is matched 50% by the employer’s contribution. The 401(k) plan expense was $2.6 million in 2012, $2.5 million in 2011, and $2.6 million in 2010.

First Commonwealth maintains a Supplemental Executive Retirement Plan (“SERP”) to provide deferred compensation for those employees whose total annual or annualized Plan compensation for a calendar year exceeded the maximum limit of compensation that can be recognized for tax-qualified retirement plans. The purpose of this Plan is to restore some of the benefits lost by eligible employees compared to other employees due to limits and restrictions incorporated into First Commonwealth’s 401(k) Plan and ESOP.

Participants in the SERP are eligible to defer (on a pre-tax basis) from 1% to 25% of their Plan compensation (compensation in excess of the tax-qualified plan limit). In 2009, First Commonwealth made a matching contribution to the Plan for each payroll up to the first 4% of their Plan compensation and also made a contribution to the Plan for each payroll equal to 3% of their Plan compensation. In addition, First Commonwealth made a contribution to the Plan at the end of the Plan Year on Plan compensation equal to that percentage of compensation that will be contributed to the ESOP. In April 2009 First Commonwealth suspended all employer contributions.

The SERP will continue to supplement First Commonwealth’s 401(k) and ESOP plans and will therefore be modified at the same time and in the same respect as the basic plans are modified in future periods. There was no SERP plan expense in 2012, while $86 thousand was expensed in 2011 and $96 thousand in 2010.

Select employees from former acquisitions were covered by postretirement benefit plans which provide medical and life insurance coverage. The measurement date for these plans was December 31.

Postretirement Benefits Other than Pensions from Prior Acquisitions

Net periodic benefit cost of these plans for the years ended December 31, was as follows:

	2012			2011			2010
	(dollars in thousands)
Service cost	$	0		$	0		$	0
Interest cost on projected benefit obligation		75			86			128
Amortization of transition obligation		2			2			2
Gain amortization		(32	)		(50	)		(10	)
Net periodic benefit cost	$	45		$	38		$	120

109

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 23—Retirement Plans (Continued)

Postretirement Benefits Other than Pensions from Prior Acquisitions (Continued)

The following table sets forth the change in the benefit obligation and plan assets as of December 31:

	2012			2011
	(dollars in thousands)
Change in Benefit Obligation
Benefit obligation at beginning of year	$	1,892		$	1,897
Service cost		0			0
Interest cost		75			86
Amendments		0			0
Actuarial gain		269			210
Net benefits paid		(250	)		(301	)
Benefit obligation at end of year		1,986			1,892
Change in Plan Assets
Fair value of plan assets at beginning of year		0			0
Actual return on plan assets		0			0
Employer contributions		250			301
Net benefits paid		(250	)		(301	)
Fair value of plan assets at end of year		0			0
Funded Status at End of Year		1,986			1,892
Unrecognized transition obligation		0			(2	)
Unrecognized net gain		212			513
Amounts recognized in retained earnings	$	2,198		$	2,403

As of December 31, the funded status of the plan is:

	2012		2011
	(dollars in thousands)
Amounts Recognized in the Statement of Financial Condition as Other liabilities	$	1,986	$	1,892

The following table sets forth the amounts recognized in accumulated other comprehensive income that have not yet been recognized as components of net periodic benefit costs as of December 31:

	2012			2011			2010
	(dollars in thousands)
Amounts recognized in accumulated other comprehensive income, net of tax:
Net (gain) loss	$	(138	)	$	(333	)	$	(502	)
Transition obligation		0			1			2
Total	$	(138	)	$	(332	)	$	(500	)

Weighted-average assumptions used to determine the benefit obligation as of December 31 are as follows:

	2012			2011			2010
Weighted-average Assumptions
Discount rate		3.31	%		4.22	%		4.71	%
Health care cost trend: Initial		7.00	%		8.00	%		9.00	%
Health care cost trend: Ultimate		4.75	%		4.75	%		4.75	%
Year ultimate reached		2022			2016			2016

110

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 23—Retirement Plans (Continued)

Postretirement Benefits Other than Pensions from Prior Acquisitions (Continued)

Weighted-average assumptions used to determine the net benefit costs as of December 31 are as follows:

	2012			2011			2010
Weighted Average Assumptions for Net Periodic Cost
Discount rate		4.22	%		4.71	%		4.71	%
Health care cost trend: Initial		8.00	%		9.00	%		10.00	%
Health care cost trend: Ultimate		4.75	%		4.75	%		4.75	%
Year ultimate reached		2016			2016			2016
Corridor		10.00	%		10.00	%		10.00	%
Recognition period for gains and losses		12.00			12.7			12.7

The Medicare Prescription Drug, Improvement and Modernization Act of 2003 (the “Act”) introduced a prescription drug benefit under Medicare Part D and a federal subsidy to sponsors of retiree health care benefit plans that provide a prescription drug benefit that is at least actuarially equivalent to Medicare Part D. The postretirement plans of First Commonwealth are provided through insurance coverage; therefore, First Commonwealth will not receive a direct federal subsidy. The preceding measures of the accumulated postretirement benefit cost assume that First Commonwealth will not receive the subsidy due to the relatively small number of retirees.

The health care cost trend rate assumption can have a significant impact on the amounts reported for this plan. A one-percentage-point change in assumed health care cost trend rates would have the following effects:

	One-Percentage- Point Increase		One-Percentage- Point Decrease
	(dollars in thousands)
Effect on total of service and interest cost components	$	65	$	(59	)
Effect on postretirement benefit obligation		2		(2	)

As of December 31, 2012, the projected benefit payments for the next ten years are as follows:

	Projected Benefit         Payments
	(dollars in thousands)
2013	$	219
2014		213
2015		206
2016		200
2017		193
2018 - 2022		671

The projected payments were calculated using the same assumptions as those used to calculate the benefit obligations included in this note.

The estimated costs that will be amortized from accumulated other comprehensive income into net periodic cost for 2013 are as follows (dollars in thousands):

	Postretirement Benefits
	(dollars in thousands)
Net gain	$	(7	)
Transition obligation		0
Total	$	(7	)

111

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 24—Unearned ESOP Shares

During 2012, all employees with at least one year of service were eligible to participate in the ESOP. Contributions to the plan are determined by the Board of Directors and are based upon a prescribed percentage of the annual compensation of all participants. The ESOP acquired shares of First Commonwealth’s common stock in a transaction whereby the ESOP Trust borrowed funds that were guaranteed by First Commonwealth. The borrowed amounts represented leveraged and unallocated shares, and accordingly were recorded as long-term debt with the offset as a reduction of common shareholders’ equity. The borrowing had a balance of $1.6 million at December 31, 2011 and matured in November of 2012. All the remaining shares held as collateral for the loan were released and allocated to participants when the borrowing was repaid. Compensation costs related to the plan were $733 thousand, $717 thousand and $783 thousand in 2012, 2011 and 2010, respectively.

As of December 31, 2012, First Commonwealth terminated the ESOP and appropriate forms have been filed with the IRS in order to receive a determination letter.

The following is an analysis of ESOP shares held in suspense and the fair value of those shares as of December 31:

	2012			2011			2010
	(dollars in thousands)
Shares in suspense, beginning of the year		104,661			237,106			375,925
Shares allocated		(104,661	)		(132,445	)		(138,819	)
Shares acquired		0			0			0
Shares in suspense, end of the year		0			104,661			237,106
Fair market value of shares in suspense	$	0		$	550		$	1,679

Interest paid on the ESOP loan and dividends received on unallocated shares for the year ended December 31 were:

	2012		2011		2010
	(dollars in thousands)
Interest paid on ESOP loan	$	13	$	38	$	66
Dividends on unallocated shares		19		32		22

Dividends on unallocated shares were used for debt service while all dividends on allocated shares were allocated or paid to the participants.

Note 25—Incentive Compensation Plan

On January 20, 2009, the Board of Directors of the Company adopted with shareholder approval, the First Commonwealth Financial Corporation Incentive Compensation Plan. This plan allows for shares of common stock to be issued to employees, directors, and consultants of the Company and its subsidiaries as an incentive to aid in the financial success of the Company. The shares can be issued as options, stock appreciation rights, performance share or unit awards, dividend or dividend equivalent rights, stock awards, restricted stock awards, or other annual incentive awards. Up to 5,000,000 shares of stock can be awarded under this plan, of which, 4,507,841 shares are still eligible for awards.

Restricted Stock

The following provides detail on the restricted stock awards which were issued in 2012 and 2011 in order to retain and attract key employees. The grant date fair value of the restricted stock awards is equal to the price of the Corporation’s common stock on grant date.

112

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 25—Incentive Compensation Plan (Continued)

Restricted Stock (Continued)

On February 24, 2012, we issued 34,000 shares of our common stock to executive officers as part of our Long-Term Incentive Plan adopted by the Company as part of the Incentive Compensation Plan. The shares were issued pursuant to a Restricted Stock Agreement dated February 24, 2012 with a fair value of $5.96 per share based on the closing price of our common stock on the grant date. The restricted stock fully vests on December 31, 2014.

On February 24, 2012, we issued 90,000 shares of our common stock to certain employees as part of our Annual Incentive Plan adopted by the Company as part of the Incentive Compensation Plan. The shares were issued pursuant to a Restricted Stock Agreement dated February 24, 2012 with a fair value of $5.96 per share based on the closing price of our common stock on the grant date. The restricted stock fully vests at the end of a two year period on February 24, 2015.

On January 1, 2012, we issued 100,000 shares of our common stock to an executive of the Bank as an inducement to his employment which was issued under the Incentive Compensation Plan adopted by the Company. The shares were issued pursuant to a Restricted Stock Agreement dated January 1, 2012. The restricted stock was determined to have a fair value of $5.26 per share and was based on the closing price of our common stock on the grant date. The restricted stock fully vests equally over a four year period ending January 1, 2016.

On November 21, 2011, we issued 10,000 shares of our common stock to an executive of the Company as an inducement for her employment which was issued under the Incentive Compensation Plan adopted by the Company. The shares were issued pursuant to a Restricted Stock Agreement dated November 21, 2011. The restricted stock was determined to have a fair value of $4.41 per share and was based on the closing price of our common stock on the grant date. The restricted stock fully vests at the end of a three year period on November 21, 2014.

On April 1, 2011, we issued 25,000 shares of our common stock to an executive of the Bank as an inducement to his employment which was issued under the Incentive Compensation Plan adopted by the Company. The shares were issued pursuant to a Restricted Stock Agreement dated April 1, 2011. The restricted stock was determined to have a fair value of $6.82 per share and was based on the closing price of our common stock on the grant date. The restricted stock fully vests at the end of a five year period on April 1, 2016.

On January 22, 2010, we issued 30,120 shares of our common stock to an executive of the Company as an inducement for his employment which was issued under the Incentive Compensation Plan adopted by the Company. The shares were issued pursuant to a Restricted Stock Agreement dated January 22, 2010. The restricted stock was determined to have a fair value of $5.70 per share and was based on the closing price of our common stock on the grant date. The restricted stock vested equally over a two year period ending January 22, 2012.

On April 1, 2008, we issued 12,654 shares of our common stock to an executive of the Bank as an inducement for his continued employment and not under any stock incentive plan adopted by the Company. The shares were issued pursuant to a Restricted Stock Agreement dated April 1, 2008. The restricted stock was determined to have a fair value of $12.35 per share and was based on the closing price of our common stock on the grant date. The restricted stock vested equally over a three year period ending April 1, 2011.

113

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 25—Incentive Compensation Plan (Continued)

Restricted Stock (Continued)

On November 12, 2007, we issued 35,000 shares of our common stock to an executive of the Bank as an inducement for his employment and not under any stock incentive plan adopted by the Company. The shares were issued pursuant to a Restricted Stock Agreement dated October 19, 2007. The restricted stock was determined to have a fair value of $10.95 per share and was based on the closing price of our common stock on the grant date. The restricted stock vested equally over a three year period, and the final vesting occurred on November 12, 2010.

Compensation expense related to restricted stock was $395 thousand, $249 thousand and $244 thousand in 2012, 2011 and 2010, respectively. As of December 31, 2012, there was $1.6 million of unrecognized compensation cost related to unvested restricted stock awards granted.

A summary of the status of First Commonwealth’s unvested service-based restricted stock awards as of December 31 and changes for the years ended on those dates is presented below:

	2012					2011					2010
	Shares			Weighted Average Grant Date Fair Value		Shares			Weighted Average Grant Date Fair Value		Shares			Weighted Average Grant Date Fair Value
Outstanding, beginning of the year		50,060		$	6.00		34,338		$	6.52		20,103		$	11.53
Granted		224,000			5.65		35,000			6.13		30,120			5.70
Vested		(17,060	)		5.73		(19,278	)		7.16		(15,885	)		11.32
Forfeited		(4,000	)		5.96		0			0.00		0			0.00
Outstanding, end of the year		253,000			5.71		50,060			6.00		34,338			6.52

On January 17, 2011, the Board of Directors approved the 2011—2013 Long-Term Incentive Plan (the “Plan”). The Plan stipulates restricted stock awards based on future performance of the Company over a three-year performance period. If performance thresholds are met, participants will receive 40% of the target award; if performance targets are met, participants will receive 100% of the target award; if performance targets are exceeded at a superior level, participants will receive 200% of the target award. If the performance thresholds are not achieved, participants will not receive an award. If awards are received, the restricted shares will vest over a one-year period after the performance period, with final vesting occurring on January 17, 2014.

On February 24, 2012, the Board of Directors approved the 2012—2014 Long-Term Incentive Plan (the “Plan”). The Plan stipulates restricted stock awards based on future performance of the Company over a three-year performance period. If performance thresholds are met, participants will receive 40% of the target award; if performance targets are met, participants will receive 100% of the target award; if performance targets are exceeded at a superior level, participants will receive 200% of the target award. If the performance thresholds are not achieved, participants will not receive an award. If awards are received, the restricted shares will vest over a one-year period after the performance period, with final vesting occurring on December 31, 2015.

114

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 25—Incentive Compensation Plan (Continued)

Restricted Stock (Continued)

The following table summarizes the unvested target awards for the Plans as of December 31:

	2012					2011
	Shares			Weighted Average Grant Date Fair Value		Shares			Weighted Average Grant Date Fair Value
Outstanding, beginning of the year		93,333		$	7.03		0		$	0.00
Granted		74,000			5.96		126,000			7.03
Vested		0			0.00		0			0.00
Forfeited		(16,000	)		6.63		(32,667	)		7.03
Outstanding, end of the year		151,333			6.55		93,333			7.03

Stock Option Plan

First Commonwealth’s stock based compensation plan expired on October 15, 2005, and is described below. All of the exercise prices and related number of shares have been adjusted to reflect historical stock splits. The plan permitted the Executive Compensation Committee to grant options for up to 4.5 million shares of First Commonwealth’s common stock through October 15, 2005.

The vesting requirements and terms of options granted were at the discretion of the Executive Compensation Committee. Options granted in 2005 vested in the year granted. All options expire ten years from the grant date. All equity compensation plans were approved by security holders.

A summary of the status of First Commonwealth’s outstanding stock options as of December 31 and changes for the years ended on those dates is presented below:

	2012					2011					2010
	Shares			Weighted Average Exercise Price		Shares			Weighted Average Exercise Price		Shares			Weighted Average Exercise Price
Outstanding, beginning of the year		496,863		$	10.03		640,866		$	10.05		728,552		$	10.18
Granted		0			0.00		0			0.00		0			0.00
Exercised		(130,672	)		6.76		(13,760	)		5.29		0			0.00
Forfeited		(169,869	)		10.68		(130,243	)		10.61		(87,686	)		11.19
Balance, end of the year		196,322			11.64		496,863			10.03		640,866			10.05
Exercisable at the end of the year		196,322			11.64		496,863			10.03		640,866			10.05

The intrinsic value of stock options exercised during the years ended December 31, 2012 and 2011 was $1.41 per share and $1.17 per share, respectively. There were no options exercised during the year ended December 31, 2010.

115

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 25—Incentive Compensation Plan (Continued)

Stock Option Plan (Continued)

The following table summarizes information about the stock options outstanding at December 31, 2012:

	Options Outstanding						Options Exercisable
Range of Exercise Prices	Number Outstanding		Weighted Average Remaining Contract Life		Weighted Average Exercise Price		Number Exercisable		Weighted Average Exercise Price
$9.00 - $9.99		50,087		0.4	$	9.27		50,087	$	9.27
$10.00 - $10.99		4,954		0.9		10.46		4,954		10.46
$12.00 - $15.00		141,281		0.3		12.52		141,281		12.52
Total		196,322		0.3		11.64		196,322		11.64

Note 26—Contingent Liabilities

Legal proceedings

McGrogan v. First Commonwealth Bank is a class action that was filed on January 12, 2009, in the Court of Common Pleas of Allegheny County, Pennsylvania. The action alleges that First Commonwealth Bank (the “Bank”) promised class members a minimum interest rate of 8% on its IRA Market Rate Savings Account for as long as the class members kept their money on deposit in the IRA account. The class asserts that the Bank committed fraud, breached its modified contract with the class members, and violated the Pennsylvania Unfair Trade Practice and Consumer Protection Law when it resigned as custodian of the IRA Market Rate Savings Accounts in 2008 and offered the class members a roll-over IRA account with a 3.5% interest rate. At that time, there were 237 account holders with an average age of 64, and the aggregate balances in the IRA Market Rate Savings accounts totaled approximately $11.5 million. Plaintiffs seek monetary damages for the alleged breach of contract, punitive damages for the alleged fraud and Unfair Trade Practice and Consumer Protection Law violations and attorney’s fees. On July 27, 2011, the court granted class certification as to the breach of modified contract claim and denied class certification as to the fraud and Pennsylvania Unfair Trade Practice and Consumer Protection Law claims. The breach of contract claim is predicated upon a letter sent to customers in 1998 which reversed an earlier decision by the Bank to reduce the rate paid on the accounts. The letter stated, in relevant part, “This letter will serve as notification that a decision has been made to re-establish the rate on your account to eight percent (8%). This rate will be retroactive to your most recent maturity date and will continue going forward on deposits presently in the account and on annual additions.” On August 30, 2012, the Court entered an order granting the Bank’s motion for summary judgment and dismissing the class action claims. The Court found that the Bank retained the right to resign as custodian of the accounts and that the act of resigning as custodian and closing the accounts did not breach the terms of the underlying IRA contract. The Plaintiffs have filed an appeal with the Pennsylvania Superior Court.

Other matters

There are no other material legal proceedings to which First Commonwealth or its subsidiaries are a party, or of which their property is the subject, except proceedings which arise in the normal course of business and, in the opinion of management, will not have a material adverse effect on the consolidated operations or financial position of First Commonwealth or its subsidiaries.

116

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 27—Related Party Transactions

Some of First Commonwealth’s directors, executive officers, principal shareholders and their related interests had transactions with the subsidiary bank in the ordinary course of business. All deposit and loan transactions were made on substantially the same terms, such as collateral and interest rates, as those prevailing at the time for comparable transactions. In the opinion of management, these transactions do not involve more than the normal risk of collectibility nor do they present other unfavorable features. It is anticipated that further such transactions will be made in the future.

The following is an analysis of loans to related parties (dollars in thousands):

Balance December 31, 2011	$	551
Advances		5,663
Repayments		(5,557	)
Other		1,076
Balance December 31, 2012	$	1,733

The “Other” line primarily reflects increases due to changes in the individuals designated as a “related party” during the year.

Note 28—Regulatory Restrictions and Capital Adequacy

The amount of funds available to the parent from its subsidiary bank is limited by restrictions imposed on all financial institutions by banking regulators. The dividend restrictions have not had, and are not expected to have, a significant impact on First Commonwealth’s ability to meet its cash obligations. Cash dividends declared per common share were $0.18 for 2012 and $0.12 for 2011.

First Commonwealth is 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 its banking subsidiary 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.

Quantitative measures established by regulation to ensure capital adequacy require First Commonwealth to maintain minimum amounts and ratios of Total and Tier I capital (common and certain other “core” equity capital) to risk weighted assets, and of Tier I capital to average assets. As of December 31, 2012, First Commonwealth and its banking subsidiary met all capital adequacy requirements to which they are subject.

117

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 28—Regulatory Restrictions and Capital Adequacy (Continued)

As of December 31, 2012, First Commonwealth Bank was considered well capitalized under the regulatory framework for prompt corrective action. To be considered well capitalized, the bank must maintain minimum Total risk-based capital, Tier I risk-based capital and Tier I leverage ratios as set forth in the table below:

	Actual					Regulatory Minumum					Well Capitalized Regulatory Guidelines
	Capital Amount		Ratio			Capital Amount		Ratio			Capital Amount		Ratio
	(dollars in thousands)
As of December 31, 2012
Total Capital to Risk Weighted Assets
First Commonwealth Financial Corporation	$	708,583		14.53	%	$	390,173		8.00	%		N/A		N/A
First Commonwealth Bank		669,131		13.75			389,421		8.00		$	486,776		10.00	%
Teir I Capital to Risk Weighted Assets
First Commonwealth Financial Corporation	$	647,460		13.28	%	$	195,087		4.00	%		N/A		N/A
First Commonwealth Bank		608,176		12.49			194,710		4.00		$	292,066		6.00	%
Tier I Capital to Average Assets
First Commonwealth Financial Corporation	$	647,460		11.24	%	$	230,322		4.00	%		N/A		N/A
First Commonwealth Bank		608,176		10.64			228,544		4.00		$	285,680		5.00	%
As of December 31, 2011
Total Capital to Risk Weighted Assets
First Commonwealth Financial Corporation	$	720,307		14.71	%	$	391,709		8.00	%		N/A		N/A
First Commonwealth Bank		689,333		14.13			390,172		8.00		$	487,715		10.00	%
Teir I Capital to Risk Weighted Assets
First Commonwealth Financial Corporation	$	659,083		13.46	%	$	195,855		4.00	%		N/A		N/A
First Commonwealth Bank		628,346		12.88			195,086		4.00		$	292,629		6.00	%
Tier I Capital to Average Assets
First Commonwealth Financial Corporation	$	659,083		11.91	%	$	221,444		4.00	%		N/A		N/A
First Commonwealth Bank		628,346		11.44			219,627		4.00		$	274,534		5.00	%

Note 29—Capital

On June 19, 2012 First Commonwealth announced a $50.0 million common stock repurchase program. As of December 31, 2012, First Commonwealth has purchased 5,662,083 shares at an average price of $6.62 per share.

In the third quarter of 2010, the Company completed a public offering of 18,543,750 shares of its common stock at an offering price of $4.65 per share, raising additional capital of $86.2 million. In connection with the stock offering approximately $4.8 million worth of costs were capitalized resulting in net proceeds of $81.4 million.

The Company amended its Dividend Reinvestment Plan (“DRIP”) during the second quarter of 2009 to provide the flexibility to raise capital by selling up to 5,000,000 shares of common stock through the DRIP. These shares may be sold pursuant to routine reinvested dividends, as well as optional cash purchases. During 2012 and 2011, there were no shares issued under this program. During 2010, 1,116,810 shares were issued under this program, 745,912 of which were related to the reissuance of Treasury Shares, raising $6.7 million in capital. During 2009, 97,905 shares were issued under this program, all of which were related to the reissuance of Treasury Shares, raising $0.4 million in capital.

118

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 30—Condensed Financial Information of First Commonwealth Financial Corporation (parent company only)

Statements of Financial Condition	December 31,
	2012		2011
	(dollars in thousands)
Assets
Cash	$	19,493	$	6,376
Loans to affiliated parties		30		34
Investment in subsidiaries		736,165		751,702
Investment in unconsolidated subsidiary trusts		3,291		3,291
Investment in jointly-owned company		8,347		8,007
Premises and equipment, net		9,347		14,196
Recievable from subsidiaries		1,583		2,545
Dividends receivable		1,205		0
Other assets		76,715		85,833
Total assets	$	856,176	$	871,984
Liabilities and Shareholders’ Equity
Accrued expenses and other liabilities	$	4,419	$	6,091
Loans payable		0		1,600
Subordinated debentures payable		105,750		105,750
Shareholders’ equity		746,007		758,543
Total liabilities and shareholders’ equity	$	856,176	$	871,984

Statements of Operations	2012			2011			2010
	(dollars in thousands)
Interest and dividends	$	1		$	1		$	1
Dividends from subsidiaries		64,342			10,321			3,190
Interest expense		(5,711	)		(5,605	)		(5,658	)
Other income		12,581			30,595			28,789
Operating expense		(19,061	)		(44,057	)		(42,786	)
Income (loss) before taxes and equity in undistributed earnings of subsidiaries		52,152			(8,745	)		(16,464	)
Applicable income tax benefits		4,364			6,618			6,790
Income (loss) before equity in undistributed earnings of subsidiaries		56,516			(2,127	)		(9,674	)
Equity in undistributed (loss) earnings of subsidiaries		(14,562	)		17,401			32,652
Net income	$	41,954		$	15,274		$	22,978

119

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 30—Condensed Financial Information of First Commonwealth Financial Corporation (parent company only) (Continued)

Statements of Cash Flow	2012			2011			2010
	(dollars in thousands)
Operating Activities
Net income	$	41,954		$	15,274		$	22,978
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		3,719			3,730			3,658
Net gain on sales of assets		(107	)		(1,069	)		(3	)
(Increase) decrease in prepaid income taxes		(3,044	)		0			23
Undistributed equity in subsidiaries		14,562			(17,401	)		(32,652	)
Other net		8,789			1,649			9,029
Net cash provided by operating activities		65,873			2,183			3,033
Investing Activities
Net change in loans to affiliated parties		4			5			7
Purchases of premises and equipment		(3,005	)		(5,736	)		(3,026	)
Proceeds from sale of other assets		4,309			1,461			15
Additional investment in subsidiary		0			0			(70,000	)
Net cash provided by (used in) investing activities		1,308			(4,270	)		(73,004	)
Financing Activities
Proceeds from issuance of common stock		0			144			83,913
Discount on dividend reinvestment plan purchases		(92	)		(63	)		(33	)
Dividends paid		(18,759	)		(12,558	)		(5,306	)
Proceeds from reissuance of treasury stock		1,028			72			4,248
Purchase of treasury stock		(36,242	)		(9	)		(9	)
Stock option tax benefit		1			6			0
Net cash (used in) provided by financing activities		(54,064	)		(12,408	)		82,813
Net increase (decrease) in cash		13,117			(14,495	)		12,842
Cash at beginning of year		6,376			20,871			8,029
Cash at end of year	$	19,493		$	6,376		$	20,871

Cash dividends declared per common share were $0.18 for 2012, $0.12 for 2011 and $0.6 for 2010.

During 2004, the ESOP obtained a $14.0 million line of credit from an unrelated financial institution. The line of credit was used to purchase stock in 2005 for the ESOP and is guaranteed by First Commonwealth. During 2005, $8.5 million was borrowed on the line. There were no borrowings on the line during 2012, 2011 and 2010. The loan was recorded as long-term debt and the offset was recorded as a reduction of common shareholders’ equity. The final payment on the ESOP was made in November 2012 eliminating the outstanding debt. See Note 24 “Unearned ESOP Shares.”

First Commonwealth Financial Corporation has an unsecured $15.0 million line of credit with another financial institution. There are no amounts outstanding on this line as of December 31, 2012. As of December 31, 2012, we are in compliance with all debt covenants related to the line of credit.

120

ITEM 8. Financial Statements and Supplementary Data (Continued)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

Note 31—Subsequent Event

On January 29, 2013, an additional share repurchase program was authorized for up to $25.0 million in shares of the Company’s common stock. Under this program, management is authorized to repurchase shares through Rule 10b5-1 plans, open market purchases, privately negotiated transactions, block purchases or otherwise in accordance with applicable federal securities laws, including Rule 10b-18 of the Securities Exchange Act of 1934. Depending on market conditions and other factors, repurchases may be made at any time or from time to time, without prior notice. First Commonwealth may suspend or discontinue the program at any time.

Additionally, in January 2013, the Company announced the redemption of approximately $32.5 million in issued and outstanding 9.50% mandatorily redeemable capital securities issued by First Commonwealth Capital Trust I. First Commonwealth expects to complete the redemption of these securities during the second quarter of 2013.

121

ITEM 8. Financial Statements and Supplementary Data (Continued)

Quarterly Summary of Financial Data—Unaudited

The unaudited quarterly results of operations for the years ended December 31 are as follows:

	2012
	Fourth Quarter		Third Quarter		Second Quarter		First Quarter
	(dollars in thousands, except per share data)
Interest income	$	53,867	$	53,880	$	54,712	$	56,616
Interest expense		6,676		7,230		7,794		8,446
Net interest income		47,191		46,650		46,918		48,170
Provision for credit losses		5,706		6,754		4,297		3,787
Net interest income after provision for credit losses		41,485		39,896		42,621		44,383
Net impairment losses		0		0		0		0
Net securities gains		29		163		0		0
Other noninterest income		14,074		17,692		16,096		17,380
Other expenses		43,842		44,765		41,848		46,752
Income before income taxes		11,746		12,986		16,869		15,011
Income tax provision		3,011		3,139		4,548		3,960
Net Income	$	8,735	$	9,847	$	12,321	$	11,051
Basic Earnings Per Share	$	0.09	$	0.09	$	0.12	$	0.11
Diluted Earnings Per Share		0.09		0.09		0.12		0.11
Average shares outstanding		101,777,594		104,080,025		104,894,261		104,810,727
Average shares outstanding assuming dilution		101,787,103		104,098,383		104,901,239		104,816,442

	2011
	Fourth Quarter			Third Quarter		Second Quarter		First Quarter
	(dollars in thousands, except per share data)
Interest income	$	56,487		$	57,600	$	57,989	$	59,469
Interest expense		8,854			10,120		11,104		11,600
Net interest income		47,633			47,480		46,885		47,869
Provision for credit losses		25,912	(a)		6,975		9,112		13,817
Net interest income after provision for credit losses		21,721			40,505		37,773		34,052
Net impairment losses		0			0		0		0
Net securities gains		0			0		1,608		577
Other noninterest income		15,478			10,799		15,456		13,751
Other expenses		48,576			41,121		45,700		41,429
(Loss) income before income taxes		(11,377	)		10,183		9,137		6,951
Income tax (benefit) provision		(5,660	)		1,857		1,718		1,705
Net (Loss) Income	$	(5,717	)	$	8,326	$	7,419	$	5,246
Basic (Loss) Earnings Per Share	$	(0.05	)	$	0.08	$	0.07	$	0.05
Diluted (Loss) Earnings Per Share		(0.05	)		0.08		0.07		0.05
Average shares outstanding		104,765,492			104,728,915		104,686,072		104,618,499
Average shares outstanding assuming dilution		104,765,492			104,728,915		104,686,072		104,623,518

(a) The increase in the provision for credit losses during the fourth quarter can be attributed to revised collateral valuations on nine impaired commercial loan relationships, primarily secured by commercial real estate, the transfer of three loan relationships to held-for-sale and the restructuring of two commercial loans.

122

ITEM 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure

None.

ITEM 9A. 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 fourth 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.

ITEM 9B. Other Information

None.

123

PART III

ITEM 10. Directors, Executive Officers and Corporate Governance

Information called for by this item concerning the identification, business experience and qualifications of First Commonwealth’s directors will be included in First Commonwealth’s definitive Proxy Statement to be filed with the Securities and Exchange Commission in connection with the annual meeting of shareholders to be held April 23, 2013 (the “Proxy Statement”), under the heading “Proposal 1—Election of Directors,” and is incorporated herein by reference.

Information called for by this item concerning First Commonwealth’s compliance with section 16(a) of the Exchange Act will be included in the Proxy Statement under the heading “Section 16(a) Beneficial Ownership Reporting Compliance,” and is incorporated herein by reference.

First Commonwealth has adopted a code of conduct and ethics that applies to all employees of the Company, including executive officers. In addition, First Commonwealth has adopted a code of ethics for the Chief Executive Officer and all senior financial officers of the Company. Both of these codes are filed as exhibits to this Annual Report on Form 10-K and are posted on First Commonwealth’s website at http://www.fcbanking.com. Refer to Item 15 of this Annual Report on Form 10-K for a list of exhibits.

There have been no material changes to the procedures by which security holders of First Commonwealth may recommend nominees to First Commonwealth’s Board of Directors since First Commonwealth last disclosed those procedures in its definitive Proxy Statement in connection with the 2013 annual meeting of shareholders.

Information called for by this item concerning First Commonwealth’s Audit Committee and the identification of “Audit Committee financial experts” will be included in the Proxy Statement under the heading “Corporate Governance,” and is incorporated herein by reference.

Certain information regarding executive officers is included under the caption “Executive Officers of First Commonwealth Financial Corporation” after Part I, Item 4, of this Report.

ITEM 11. Executive Compensation

Information called for by this item concerning compensation of First Commonwealth’s executive officers and the report of the Compensation and Human Resources Committee will be included in the Proxy Statement under the heading “Executive Compensation,” and is incorporated herein by reference.

Information called for by this item concerning compensation of First Commonwealth’s directors will be included in the Proxy Statement under the heading “Compensation of Directors,” and is incorporated herein by reference.

ITEM 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

Information called for by this item concerning security ownership of certain beneficial owners and security ownership of management will be included in the Proxy Statement under the headings “Security Ownership of Certain Beneficial Owners” and “Securities Owned by Directors and Management,” and is incorporated herein by reference.

124

ITEM 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters (Continued)

The following table provides information related to our existing equity compensation plans as of December 31, 2012:

Plan Category (1)	Number of securities to  be issued upon exercise of outstanding options, warrants and rights		Weighted average exercise price of outstanding options, warrants and rights		Number of securities remaining available for future issuance under equity compensation plans
Equity compensation plans approved by security holders		141,281	$	12.52		4,507,841
Equity compensation plans not approved by security holders		N/A		N/A		N/A
Total		141,281	$	12.52		4,507,841

(1) The table does not include information on stock options issued by First Commonwealth in substitution for stock options of GA Financial, Inc. and Pittsburgh Financial Corporation upon the acquisition of those companies. At December 31, 2012, 55,041 shares of common stock are issuable upon exercise of substitute stock options issued in connection with those acquisitions with a weighted average exercise price of $9.38. First Commonwealth cannot grant additional stock options or other equity awards under the GA Financial or Pittsburgh Financial equity compensation plans.

ITEM 13. Certain Relationships and Related Transactions, and Director Independence

Information called for by this item concerning transactions with related persons and review, approval or ratification of transactions with related persons will be included in the Proxy Statement under the heading “Related Party Transactions,” and is incorporated herein by reference.

Information called for by this item concerning director independence will be included in the Proxy Statement under the heading “Corporate Governance,” and is incorporated herein by reference.

ITEM 14. Principal Accountant Fees and Services

Information called for by this item concerning fees paid to First Commonwealth’s principal accountant and First Commonwealth’s pre-approval policies and procedures will be included in the Proxy Statement under the heading “Annual Audit Information,” and is incorporated herein by reference.

125

PART IV

ITEM 15. Exhibits, Financial Statements and Schedules

(A) Documents Filed as Part of this Report

(1) Financial Statements

All financial statements of the registrant as set forth under Item 8 of the Report on Form 10-K.

(2) Financial Statement Schedules

Schedule Number	Description	Page
I	Indebtedness to Related Parties	N/A
II	Guarantees of Securities of Other Issuers	N/A

(3) Exhibits

Exhibit Number	Description	Incorporated by Reference to
3.1	Amended and Restated Articles of Incorporation of First Commonwealth Financial Corporation	Exhibit 3.1 to the quarterly report on Form 10-Q for the quarter ended June 30, 2010
3.2	Amended and Restated By-Laws of First Commonwealth Financial Corporation	Exhibit 3.1 to the current report as Form 8-K filed January 20, 2011
10.1	Amended and Restated Non-Qualified Deferred Compensation Plan (formerly known as the Supplemental Executive Retirement Plan)	Exhibit 10.2 to the annual report on Form 10-K filed March 5, 2012
10.2	Amended and Restated Employment Agreement dated January 1, 2012 entered into among First Commonwealth Financial Corporation, First Commonwealth Bank and T. Michael Price	Exhibit 10.1 to the current report on Form 8-K filed January 5, 2012
10.3	Change of Control Agreement dated December 30, 2011 entered into between FCFC and T. Michael Price	Exhibit 10.3 to the current report on Form 8-K filed January 5, 2012
10.4	First Commonwealth Financial Corporation Incentive Compensation Plan	Annex I to Proxy Statement filed March 16, 2009 relating to the 2009 Annual Meeting of Shareholders
10.5	2012 Annual Incentive Plan	Exhibit 10.4 to the quarterly report on Form 10-Q filed May 8, 2012
10.6	2011-2013 Long Term Incentive Plan	Exhibit 10.2 to the quarterly report on Form 10-Q filed May 10, 2011
10.7	2012-2014 Long-Term Incentive Plan	Exhibit 10.5 to the quarterly report on Form 10-Q filed May 8, 2012
10.8	Form of Restricted Stock Agreement for service-based restricted stock	Exhibit 10.3 to the quarterly report on Form 10-Q filed May 8, 2012
10.9	Employment Agreement dated January 22, 2010 entered into between FCFC and Robert E. Rout	Exhibit 10.1 to the current report on Form 8-K filed January 28, 2010
10.10	Change of Control Agreement dated December 30, 2011 entered into between FCFC and Robert E. Rout	Exhibit 10.4 to the current report on Form 8-K filed January 5, 2012

126

ITEM 15. Exhibits, Financial Statements and Schedules (Continued)

Exhibit Number	Description	Incorporated by Reference to
10.11	Change of Control Agreement dated December 30, 2011 entered into between FCFC and I. Robert Emmerich	Exhibit 10.12 to the annual report on Form 10-K filed March 5, 2012
10.12	Change of Control Agreement dated December 30, 2011 entered into between FCFC and Leonard V. Lombardi	Exhibit 10.13 to the annual report on Form 10-K filed March 5, 2012
10.13	Change of Control Agreement dated December 30, 2011 entered into between FCFC and Matthew C. Tomb	Exhibit 10.14 to the annual report on Form 10-K filed March 5, 2012
10.14	Restricted Stock Agreement dated April 1, 2011 entered into between FCFC and I. Robert Emmerich	Exhibit 10.15 to the annual report on Form 10-K filed March 5, 2012
10.15	Agreement and General Release dated July 8, 2012 entered into between First Commonwealth Financial Corporation and Sue A. McMurdy.	Exhibit 10.1 to the current report on Form 8-K filed July 12, 2012
10.16	Amended and Restated Director Retainer Plan	Filed herewith
21.1	Subsidiaries of the Registrant	Filed herewith
23.1	Consent of KPMG LLP Independent Registered Public Accounting Firm	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	Interactive Data File (XBRL)	Furnished herewith

127

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, in Indiana, Pennsylvania.

FIRST COMMONWEALTH FINANCIAL CORPORATION (Registrant)
By:	/S/    T. MICHAEL PRICE
	T. Michael Price President and Chief Executive Officer
	Dated: March 13, 2013

Pursuant to the requirements of the Securities Exchange Act of 1934, this Report has been executed below by the following persons on behalf of the Registrant and in the capacities and on the dates indicated.

Signature	Capacity	Date
/S/    JULIE A. CAPONI         Julie A. Caponi	Director	March 13, 2013
/S/    RAY T. CHARLEY         Ray T. Charley	Director	March 13, 2013
/S/    GARY R. CLAUS         Gary R. Claus	Director	March 13, 2013
/S/    DAVID S. DAHLMANN         David S. Dahlmann	Director, Chairman	March 13, 2013
/S/    JOHNSTON A. GLASS         Johnston A. Glass	Director	March 13, 2013
/S/    JON L. GORNEY         Jon L. Gorney	Director	March 13, 2013
/S/    DAVID W. GREENFIELD         David W. Greenfield	Director	March 13, 2013
/S/    LUKE A. LATIMER         Luke A. Latimer	Director	March 13, 2013
/S/    JAMES W. NEWILL         James W. Newill	Director	March 13, 2013
/S/    T. MICHAEL PRICE         T. Michael Price	President and Chief Executive Officer (Principal Executive Officer)	March 13, 2013
/S/    ROBERT E. ROUT         Robert E. Rout	Executive Vice President, Chief Financial Officer, and Treasurer	March 13, 2013
/S/    LAURIE S. SINGER         Laurie S. Singer	Director	March 13, 2013
/S/    ROBERT J. VENTURA         Robert J. Ventura	Director	March 13, 2013

128

EX-10.16

Exhibit 10.16

FIRST COMMONWEALTH FINANCIAL CORPORATION

DIRECTOR RETAINER PLAN

(As Amended and Restated on November 26, 2012)

1. Name and Purpose.

(a) This plan shall be known as the First Commonwealth Financial Corporation Director Retainer Plan (the “Plan”). This Plan is adopted by Board of Directors of First Commonwealth Financial Corporation (the “Company”) pursuant to the First Commonwealth Financial Corporation Incentive Compensation Plan (the “Master Plan”) and shall be subject to the terms and conditions of the Master Plan. Each capitalized term that is not otherwise defined in this Plan shall have the meaning given to such term in the Master Plan.

(b) The purpose of this Plan is to enable the Company to attract and retain qualified persons to serve as Directors of the Company by providing a competitive retainer and to further align the interests of Directors with shareholders of the Company by providing for the payment of a portion of the retainer in shares of Common Stock.

2. Administration.

The Plan shall be administered by the Governance Committee of the Board of Directors (the “Committee”). The Committee shall, subject to the applicable provisions of the Plan and the Master Plan, have full authority and discretion to interpret the Plan, to prescribe, amend and rescind rules and regulations relating to the Plan, to prepare forms to use with respect to the Plan, and to make all determinations necessary or advisable for the administration of the Plan. The Committee’s determination as to any matter relating to the interpretation of the Plan shall be conclusive on all persons.

3. Eligible Participants.

For purposes of the Plan, a “Director” refers to, as of any date, a person who is serving as a director of First Commonwealth Financial Corporation who is not an employee of the Company or any Subsidiary.

4. Retainer.

(a) Each Director shall be paid a retainer in the amount of $24,000 per year. Except for a Director who exercises his or her right to opt out of receiving shares of Common Stock in accordance with paragraph (b) of this Section 4, each Director shall receive the annual retainer in two installments as follows:

(i) $6,000 in cash payable on the date of the regular quarterly meeting of the Board of Directors in January (or, if no meeting is held in January, on January 31); and

(ii) A number of shares of Common Stock determined by dividing (x) $18,000 by (y) the Fair Market Value of the Common Stock as of the Determination

Date. The “Determination Date” shall mean the date of the Annual Meeting of Shareholders (or April 30 if the Annual Meeting is not held prior to that date), provided that if the Annual Meeting (or April 30, as applicable) occurs during a period when trading of the Common Stock is restricted by an insider trading or similar Company policy, the Determination Date shall be the first business day following the expiration of the trading restriction. The shares issuable pursuant to this Section 4(a)(ii) shall be issued in book entry form as soon as administratively practicable following the determination of Fair Market Value and shall not be subject to transfer restrictions or other Vesting Conditions.

(b) Notwithstanding Section 4(a) above, any Director who owns at least 100,000 shares of Common Stock may elect to receive his or her entire retainer in cash. That election must be made pursuant to a written notice delivered to the Secretary of the Company not later than February 28 of the year in which the election is to be effective. Each Director who has elected to receive his or her entire retainer in cash pursuant to this Section 4(b) shall receive his or her retainer in four installments of $6,000 on the date of each quarterly meeting of the Board of Directors in January, April, July and October (or the last day of the month if no meeting is held in that month). An election made pursuant to this Section 4(b) shall remain in effect unless and until the Director rescinds the election by written notice to the Secretary of the Company.

(c) Any Director who is elected or appointed to the Board after January 1 shall be entitled to receive a prorated retainer based upon the number of whole or partial months of the year during which he or she serves as a Director. One-fourth of the prorated retainer shall be paid in cash and three-fourths of the prorated retainer shall be paid in shares of Common Stock using the same Fair Market Value as is used to calculate the number of shares issuable to Directors who are entitled to receive a full retainer under this Plan. The prorated retainer will be paid on the date of the first meeting of the Board of Directors that the Director attends, provided that the Common Stock component of the prorated retainer will not be paid prior to the Determination Date. By way of illustration, a Director who is elected on April 24 will be entitled to receive a retainer in the amount of $18,000, consisting of $4,500 in cash and shares of Common Stock having a Fair Market Value of $13,500 as of the Determination Date used to calculate the number of shares of Common Stock issued to Directors who have served as Directors since January 1 of that year.

5. Miscellaneous Provisions.

(a) The Committee may amend, suspend, or terminate this Plan at any time.

(b) This Plan shall be governed by and construed in accordance with the laws of the Commonwealth of Pennsylvania except to the extent such laws are superseded by the federal laws of the United States.

EX-21.1

Exhibit 21.1 Subsidiaries of First Commonwealth Financial Corporation

	Percent Ownership By Registrant
First Commonwealth Bank 601 Philadelphia Street Indiana, PA 15701 Incorporated under the laws of Pennsylvania	100%
Subsidiaries of First Commonwealth Bank: First Commonwealth Insurance Agency 601 Philadelphia Street Indiana, PA 15701 Incorporated under the laws of Pennsylvania	100%
First Commonwealth Preferred, LLC 1105 N. Market Street, Suite 1300 Wilmington, DE 19801 Incorporated under the laws of Delaware	100%
First Commonwealth Community Development Corporation (Inactive) 654 Philadelphia Street Indiana, PA 15701 Incorporated under the laws of Pennsylvania	100%
First Commonwealth Financial Advisors Incorporated 601 Philadelphia Street Indiana, PA 15701 Incorporated under the laws of Pennsylvania	100%
FraMal Holdings Corporation 1105 North Market Street, Suite 1300 Wilmington, DE 19899 Incorporated under the laws of Delaware	100%
First Commonwealth Capital Trust I 601 Philadelphia Street Indiana, PA 15701 Incorporated under the laws of Delaware	100%
First Commonwealth Capital Trust II 601 Philadelphia Street Indiana, PA 15701 Incorporated under the laws of Delaware	100%
First Commonwealth Capital Trust III 601 Philadelphia Street Indiana, PA 15701 Incorporated under the laws of Delaware	100%
Commonwealth Trust Credit Life Insurance Company 2700 North Third Street, Suite 3050 Phoenix, AZ 85004 Incorporated under the laws of Arizona	50%

EX-23.1

Exhibit 23.1 Consent of Independent Registered Public Accounting Firm

The Board of Directors of First Commonwealth Financial Corporation:

We consent to the incorporation by reference in:

• Registration statement No. 333-165848 on Form S-3 of First Commonwealth Financial Corporation’s Shelf Registration of Common Stock;

• Registration statement No. 333-154751 on Form S-3 of First Commonwealth Financial Corporation’s Shelf Registration of Common Stock;

• Registration statement No. 333-111732 on Form S-3 of First Commonwealth Financial Corporation’s Stock Purchase and Dividend Reinvestment Plan;

• Registration statement No. 333-113534 on Form S-8 of GA Financial, Inc. Stock Option Plan;

• Registration statement No. 333-111735 on Form S-8 of Pittsburgh Financial Corp. Stock Option Plan;

• Registration statement No. 033-55687 on Form S-8 of First Commonwealth Financial Corporation’s Stock Option Plan; and

• Registration statement No. 333-159090 on Form S-8 of First Commonwealth Financial Corporation’s Incentive Compensation Plan.

of our reports dated March 13, 2013, with respect to the consolidated statements of financial condition of First Commonwealth Financial Corporation and subsidiaries as of December 31, 2012 and 2011, and the related consolidated statements of income, comprehensive income, changes in shareholders’ equity, and cash flows for each of the years in the three-year period ended December 31, 2012, and the effectiveness of internal control over financial reporting as of December 31, 2012, which reports appear in the December 31, 2012 annual report on Form 10-K of First Commonwealth Financial Corporation.

/s/ KPMG LLP

Pittsburgh, Pennsylvania

March 13, 2013

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 annual report on Form 10-K 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.

March 13, 2013	/s/ T. Michael Price
Date	Signature
	President and Chief Executive Officer
	Title

EX-31.2

EXHIBIT 31.2

CHIEF FINANCIAL OFFICER CERTIFICATION

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

I, Robert E. Rout certify that:

1. I have reviewed this annual report on Form 10-K 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.

March 13, 2013	/s/ Robert E. Rout
Date	Signature
	Executive Vice President and Chief Financial Officer
	Title

EX-32.1

EXHIBIT 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADDED BY SECTION 906 OF THE

SARBANES-OXLEY ACT OF 2002

I, T. Michael Price, President and Chief Executive Officer of First Commonwealth Financial Corporation (“First Commonwealth”), certify that the Annual Report of First Commonwealth on Form 10-K for the period ended December 31, 2012, 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: March 13, 2013	/s/ T. Michael Price
	T. Michael Price
	President and Chief Executive Officer

EX-32.2

EXHIBIT 32.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADDED BY SECTION 906 OF THE

SARBANES-OXLEY ACT OF 2002

I, Robert E. Rout, Executive Vice President and Chief Financial Officer of First Commonwealth Financial Corporation (“First Commonwealth”), certify that the Annual Report of First Commonwealth on Form 10-K for the period ended December 31, 2012, 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: March 13, 2013	/s/ Robert E. Rout
	Robert E. Rout
	Executive Vice President and Chief Financial Officer

XML

Subsequent Event

12 Months Ended

Dec. 31, 2012

Subsequent Event

Note 31—Subsequent Event

On January 29, 2013, an additional share repurchase program was authorized for up to $25.0 million in shares of the Company’s common stock. Under this program, management is authorized to repurchase shares through Rule 10b5-1 plans, open market purchases, privately negotiated transactions, block purchases or otherwise in accordance with applicable federal securities laws, including Rule 10b-18 of the Securities Exchange Act of 1934. Depending on market conditions and other factors, repurchases may be made at any time or from time to time, without prior notice. First Commonwealth may suspend or discontinue the program at any time.

Additionally, in January 2013, the Company announced the redemption of approximately $32.5 million in issued and outstanding 9.50% mandatorily redeemable capital securities issued by First Commonwealth Capital Trust I. First Commonwealth expects to complete the redemption of these securities during the second quarter of 2013.

XML

Regulatory Restrictions and Capital Adequacy - Schedule of Capital Amount and Ratio Considered to be Capitalized (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Well Capitalized Regulatory Guidelines [Member] | First Commonwealth Bank [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
First Commonwealth Bank	$ 486,776	$ 487,715
First Commonwealth Bank	292,066	292,629
First Commonwealth Bank	285,680	274,534
Total Capital to Risk Weighted Assets	10.00%	10.00%
Teir I Capital to Risk Weighted Assets	6.00%	6.00%
Tier I Capital to Average Assets	5.00%	5.00%
Regulatory Minimum [Member] | First Commonwealth Bank [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total Capital to Risk Weighted Assets	389,421	390,172
Teir I Capital to Risk Weighted Assets	194,710	195,086
Tier I Capital to Average Assets	228,544	219,627
Total Capital to Risk Weighted Assets	8.00%	8.00%
First Commonwealth Bank	4.00%	4.00%
First Commonwealth Bank	4.00%	4.00%
Regulatory Minimum [Member] | First Commonwealth Financial Corporation [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total Capital to Risk Weighted Assets	390,173	391,709
Teir I Capital to Risk Weighted Assets	195,087	195,855
Tier I Capital to Average Assets	230,322	221,444
Total Capital to Risk Weighted Assets	8.00%	8.00%
First Commonwealth Bank	4.00%	4.00%
First Commonwealth Bank	4.00%	4.00%
Actual [Member] | First Commonwealth Bank [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total Capital to Risk Weighted Assets	669,131	689,333
Teir I Capital to Risk Weighted Assets	608,176	628,346
Tier I Capital to Average Assets	608,176	628,346
Total Capital to Risk Weighted Assets	13.75%	14.13%
Teir I Capital to Risk Weighted Assets	12.49%	12.88%
Tier I Capital to Average Assets	10.64%	11.44%
Actual [Member] | First Commonwealth Financial Corporation [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total Capital to Risk Weighted Assets	708,583	720,307
Teir I Capital to Risk Weighted Assets	647,460	659,083
Tier I Capital to Average Assets	$ 647,460	$ 659,083
Total Capital to Risk Weighted Assets	14.53%	14.71%
Teir I Capital to Risk Weighted Assets	13.28%	13.46%
Tier I Capital to Average Assets	11.24%	11.91%

XML

Fair Values of Assets and Liabilities - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Random sample percentage of securities for each quarter	100.00%
Interest rate swaps transferred into Level 3 from Level 2	$ 461,000	$ 17,932,000
Corporate securities transferred from Level 3 to Level 2	0	11,965,000
Impaired loans considered to be credit risk of non-collection	100,000
Updated appraisal requirement floor	250,000
Other real estate book cost	11,300,000
Financial instrument of credit risk	200,000	200,000
Interest rate swap [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Interest rate swaps transferred into Level 3 from Level 2	$ 500,000	$ 4,500,000

XML

Subordinated Debentures (Tables)

12 Months Ended

Dec. 31, 2012

Subordinated Debentures Outstanding

Subordinated Debentures outstanding at December 31 are as follows:

			2012					2011
	Due		Amount		Rate			Amount		Rate
			(dollars in thousands)
Owed to:
First Commonwealth Capital Trust I		2029	$	33,583		9.50	%	$	33,583		9.50	%
First Commonwealth Capital Trust II		2034		30,929		LIBOR + 2.85			30,929		LIBOR + 2.85
First Commonwealth Capital Trust III		2034		41,238		LIBOR + 2.85			41,238		LIBOR + 2.85
Total			$	105,750				$	105,750

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Variable Interest Entities (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Maximum Potential Exposure

First Commonwealth’s maximum potential exposure is equal to its carrying value and is summarized in the table below as of December 31:

	2012		2011
	(dollars in thousands)
Low Income Housing Limited Partnership Investments	$	347	$	667

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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Significant Components Of Deferred Tax Assets And Liabilities [Line Items]
Allowance for credit losses	$ 23,515	$ 21,432
Postretirement benefits other than pensions	769	841
Alternative minimum tax credit carryforward	13,026	15,247
Net operating loss carryforward	0	1,626
Writedown of other real estate owned	3,647	2,876
Other tax credit carryforward	0	1,383
Deferred compensation	2,203	2,215
Swap credit risk	772	1,037
Accrued interest on nonaccrual loans	3,887	3,161
Other-than-temporary impairment of securities	15,233	15,764
Capitalization of OREO expenses	847	826
Depreciation of assets	952	0
Unfunded loan commitment allowance	836	536
Other	1,176	2,822
Total deferred tax assets	66,863	69,766
Basis difference in assets acquired	(808)	(1,213)
Loan origination fees and costs	(606)	(392)
Income from unconsolidated subsidiary	(575)	(551)
Unrealized gain on securities available for sale	(592)	(898)
Depreciation of assets	0	(242)
Other	(150)	(198)
Total deferred tax liabilities	(2,731)	(3,494)
Net deferred tax asset	$ 64,132	$ 66,272

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Derivatives - Credit Value Adjustment Recorded Related to Notional Amount of Derivatives Outstanding (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Derivative Instruments [Line Items]
Credit value adjustment	$ (2,207)	$ (2,963)
Interest rate derivatives	223,448	187,368
Risk participation agreements	71,390	128,098
Sold credit protection on risk participation agreements	$ 0	$ (22,147)

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Retirement Plans - Schedule of Changes in Benefit Obligations and Plan Assets (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Service cost	$ 0	$ 0	$ 0
Interest cost	75	86	128
Funded Status at End of Year	1,986	1,892
Unrecognized transition obligation	0	(2)
Unrecognized net gain	212	513
Amounts recognized in retained earnings	2,198	2,403
Change in Benefit Obligation [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Benefit obligation at beginning of year	1,892	1,897
Service cost	0	0
Interest cost	75	86
Amendments	0	0
Actuarial gain	269	210
Net benefits paid	(250)	(301)
Benefit obligation at end of year	1,986	1,892
Change in Plan Assets [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Fair value of plan assets at beginning of year	0	0
Actual return on plan assets	0	0
Employer contributions	250	301
Net benefits paid	(250)	(301)
Fair value of plan assets at end of year	$ 0	$ 0

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Other Long-term Debt (Tables)

12 Months Ended

Dec. 31, 2012

Summary of Other Long-Term Debt

Other long-term debt at December 31 follows:

	2012								2011
	Amount		Weighted Average Contractual Rate			Weighted Average Effective Rate			Amount		Weighted Average Contractual Rate			Weighted Average Effective Rate
	(dollars in thousands)
ESOP loan due:
2012									$	1,600		LIBOR + 1.00	%		LIBOR + 1.00	%
Borrowings from FHLB due:
2012										25,585		1.54	%		1.53
2013	$	30,085		2.32	%		2.32	%		30,085		2.32			2.32
2014		57,890		1.13			1.13			7,891		5.37			5.35
2015		79,970		0.82			0.82			29,970		1.37			1.37
2016		387		4.64			4.64			388		4.64			4.64
2017		405		4.64			4.64
Thereafter		5,734		4.66			4.66			6,145		4.66			4.66
Total	$	174,471							$	101,664

Summary of Scheduled Loan Payments

Scheduled loan payments for other long-term debt are summarized below:

	2013		2014		2015		2016		2017		Thereafter		Total
	(dollars in thousands)
Long-term debt payments	$	29,968	$	57,852	$	79,970	$	387	$	405	$	5,734	$	174,316
Purchase valuation amortization		117		38		0		0		0		0		155
Total	$	30,085	$	57,890	$	79,970	$	387	$	405	$	5,734	$	174,471

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Securities Held to Maturity - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2010	Dec. 31, 2011	Jun. 30, 2010
Schedule Of Available For Sale Securities And Held To Maturity Securities [Line Items]
Held-to-maturity securities	$ 0		$ 0
Amortized Cost on held-to-maturity				22,400,000
Bonds in unrealized gain position	800,000
Gain recognized in investment		50,000
Obligations of States and Political Subdivisions [Member]
Schedule Of Available For Sale Securities And Held To Maturity Securities [Line Items]
Amortized Cost on held-to-maturity				22,300,000
Unrealized loss position securities	45,000
Other-than-temporary impairment charges		45,000
Mortgage-Backed Securities [Member]
Schedule Of Available For Sale Securities And Held To Maturity Securities [Line Items]
Amortized Cost on held-to-maturity				$ 100,000

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Interest-Bearing Deposits - Scheduled Maturities of Time Deposits (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Interest Bearing Time Deposits In Banks And Securities [Line Items]
Total	$ 1,032,659	$ 1,197,560
Certificates of deposit [Member]
Interest Bearing Time Deposits In Banks And Securities [Line Items]
2013	503,806
2014	245,699
2015	163,531
2016	82,024
2017 and thereafter	37,599
Total	$ 1,032,659

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Impairment of Investment Securities (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Unrealized Losses and Estimated Fair Values

The following table presents the gross unrealized losses and estimated fair values at December 31, 2012 by investment category and time frame for which the 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	$	0	$	0		$	13	$	0	(a)	$	13	$	0
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities—Residential		76,296		(392	)		21		0	(a)		76,317		(392	)
Mortgage-Backed Securities—Commercial		0		0			0		0			0		0
Other Government-Sponsored Enterprises		59,303		(72	)		0		0			59,303		(72	)
Obligations of States and Political Subdivisions		0		0			0		0			0		0
Corporate Securities		0		0			0		0			0		0
Pooled Trust Preferred Collateralized Debt Obligations		0		0			23,316		(28,496	)		23,316		(28,496	)
Total Securities Available for Sale	$	135,599	$	(464	)	$	23,350	$	(28,496	)	$	158,949	$	(28,960	)

(a) Gross unrealized losses related to these types of securities are less than $1 thousand.

The following table presents the gross unrealized losses and estimated fair value at December 31, 2011 for available-for-sale and securities by investment category and time frame for which the securities had 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	$	1,086	$	(6	)	$	16	$	0	(a)	$	1,102	$	(6	)
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities—Residential		25		0	(a)		0		0			25		0
Mortgage-Backed Securities—Commercial		151		(1	)		0		0			151		(1	)
Other Government-Sponsored Enterprises		55,969		(132	)		0		0			55,969		(132	)
Obligations of States and Political Subdivisions		0		0			0		0			0		0
Corporate Securities		4,536		(562	)		0		0			4,536		(562	)
Pooled Trust Preferred Collateralized Debt Obligations		0		0			22,927		(31,785	)		22,927		(31,785	)
Total Securities Available for Sale	$	61,767	$	(701	)	$	22,943	$	(31,785	)	$	84,710	$	(32,486	)

Pooled Trust Preferred Collateralized Debt Obligations

The following table provides additional information related to our pooled trust preferred collateralized debt obligations as of December 31, 2012:

Deal	Class	Book Value		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 I	Senior	$	1,009	$	1,005	$	(4	)	Aa3/A		17		33.33	%		159.27	%
Pre TSL IV	Mezzanine		1,830		1,111		(719	)	Caa2/CCC		6		27.07			91.00
Pre TSL V	Mezzanine		54		57		3		C/-		3		100.00			0.00
Pre TSL VII	Mezzanine		3,654		3,326		(328	)	Ca/C		16		48.92			0.00
Pre TSL VIII	Mezzanine		1,833		1,007		(826	)	C/C		32		52.99			0.00
Pre TSL IX	Mezzanine		2,268		943		(1,325	)	Ca/C		46		25.50			13.32
Pre TSL X	Mezzanine		1,388		1,165		(223	)	Ca/C		50		35.24			0.00
Pre TSL XII	Mezzanine		5,508		2,531		(2,977	)	Ca/C		71		35.35			0.00
Pre TSL XIII	Mezzanine		12,571		4,456		(8,115	)	Ca/C		63		36.87			6.48
Pre TSL XIV	Mezzanine		13,188		4,783		(8,405	)	Ca/C		61		38.97			29.37
MMCap I	Senior		1,220		1,193		(27	)	A3/A		17		50.26			573.29
MMCap I	Mezzanine		867		466		(401	)	Ca/C		17		50.26			0.00
MM Comm IX	Mezzanine		6,476		1,330		(5,146	)	Ca/CC		29		42.41			0.00
Total		$	51,866	$	23,373	$	(28,493	)

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

The table below provides a cumulative roll forward of credit losses recognized in earnings for debt securities held and not intended to be sold for the years ended December 31:

	2012			2011			2010
	(dollars in thousands)
Balance, beginning (a)	$	44,736		$	44,850		$	36,161
Credit losses on debt securities for which other-than-temporary impairment was not previously recognized		0			0			0
Additional credit losses on debt securities for which other-than-temporary impairment was previously recognized		0			0			8,689
Increases in cash flows expected to be collected, recognized over the remaining life of the security (b)		(1,462	)		(114	)		0
Balance, ending	$	43,274		$	44,736		$	44,850

(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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Incentive Compensation Plan

12 Months Ended

Dec. 31, 2012

Incentive Compensation Plan

Note 25—Incentive Compensation Plan

On January 20, 2009, the Board of Directors of the Company adopted with shareholder approval, the First Commonwealth Financial Corporation Incentive Compensation Plan. This plan allows for shares of common stock to be issued to employees, directors, and consultants of the Company and its subsidiaries as an incentive to aid in the financial success of the Company. The shares can be issued as options, stock appreciation rights, performance share or unit awards, dividend or dividend equivalent rights, stock awards, restricted stock awards, or other annual incentive awards. Up to 5,000,000 shares of stock can be awarded under this plan, of which, 4,507,841 shares are still eligible for awards.

Restricted Stock

The following provides detail on the restricted stock awards which were issued in 2012 and 2011 in order to retain and attract key employees. The grant date fair value of the restricted stock awards is equal to the price of the Corporation’s common stock on grant date.

On February 24, 2012, we issued 34,000 shares of our common stock to executive officers as part of our Long-Term Incentive Plan adopted by the Company as part of the Incentive Compensation Plan. The shares were issued pursuant to a Restricted Stock Agreement dated February 24, 2012 with a fair value of $5.96 per share based on the closing price of our common stock on the grant date. The restricted stock fully vests on December 31, 2014.

On February 24, 2012, we issued 90,000 shares of our common stock to certain employees as part of our Annual Incentive Plan adopted by the Company as part of the Incentive Compensation Plan. The shares were issued pursuant to a Restricted Stock Agreement dated February 24, 2012 with a fair value of $5.96 per share based on the closing price of our common stock on the grant date. The restricted stock fully vests at the end of a two year period on February 24, 2015.

On January 1, 2012, we issued 100,000 shares of our common stock to an executive of the Bank as an inducement to his employment which was issued under the Incentive Compensation Plan adopted by the Company. The shares were issued pursuant to a Restricted Stock Agreement dated January 1, 2012. The restricted stock was determined to have a fair value of $5.26 per share and was based on the closing price of our common stock on the grant date. The restricted stock fully vests equally over a four year period ending January 1, 2016.

On November 21, 2011, we issued 10,000 shares of our common stock to an executive of the Company as an inducement for her employment which was issued under the Incentive Compensation Plan adopted by the Company. The shares were issued pursuant to a Restricted Stock Agreement dated November 21, 2011. The restricted stock was determined to have a fair value of $4.41 per share and was based on the closing price of our common stock on the grant date. The restricted stock fully vests at the end of a three year period on November 21, 2014.

On April 1, 2011, we issued 25,000 shares of our common stock to an executive of the Bank as an inducement to his employment which was issued under the Incentive Compensation Plan adopted by the Company. The shares were issued pursuant to a Restricted Stock Agreement dated April 1, 2011. The restricted stock was determined to have a fair value of $6.82 per share and was based on the closing price of our common stock on the grant date. The restricted stock fully vests at the end of a five year period on April 1, 2016.

On January 22, 2010, we issued 30,120 shares of our common stock to an executive of the Company as an inducement for his employment which was issued under the Incentive Compensation Plan adopted by the Company. The shares were issued pursuant to a Restricted Stock Agreement dated January 22, 2010. The restricted stock was determined to have a fair value of $5.70 per share and was based on the closing price of our common stock on the grant date. The restricted stock vested equally over a two year period ending January 22, 2012.

On April 1, 2008, we issued 12,654 shares of our common stock to an executive of the Bank as an inducement for his continued employment and not under any stock incentive plan adopted by the Company. The shares were issued pursuant to a Restricted Stock Agreement dated April 1, 2008. The restricted stock was determined to have a fair value of $12.35 per share and was based on the closing price of our common stock on the grant date. The restricted stock vested equally over a three year period ending April 1, 2011.

On November 12, 2007, we issued 35,000 shares of our common stock to an executive of the Bank as an inducement for his employment and not under any stock incentive plan adopted by the Company. The shares were issued pursuant to a Restricted Stock Agreement dated October 19, 2007. The restricted stock was determined to have a fair value of $10.95 per share and was based on the closing price of our common stock on the grant date. The restricted stock vested equally over a three year period, and the final vesting occurred on November 12, 2010.

Compensation expense related to restricted stock was $395 thousand, $249 thousand and $244 thousand in 2012, 2011 and 2010, respectively. As of December 31, 2012, there was $1.6 million of unrecognized compensation cost related to unvested restricted stock awards granted.

A summary of the status of First Commonwealth’s unvested service-based restricted stock awards as of December 31 and changes for the years ended on those dates is presented below:

	2012					2011					2010
	Shares			Weighted Average Grant Date Fair Value		Shares			Weighted Average Grant Date Fair Value		Shares			Weighted Average Grant Date Fair Value
Outstanding, beginning of the year		50,060		$	6.00		34,338		$	6.52		20,103		$	11.53
Granted		224,000			5.65		35,000			6.13		30,120			5.70
Vested		(17,060	)		5.73		(19,278	)		7.16		(15,885	)		11.32
Forfeited		(4,000	)		5.96		0			0.00		0			0.00
Outstanding, end of the year		253,000			5.71		50,060			6.00		34,338			6.52

On January 17, 2011, the Board of Directors approved the 2011—2013 Long-Term Incentive Plan (the “Plan”). The Plan stipulates restricted stock awards based on future performance of the Company over a three-year performance period. If performance thresholds are met, participants will receive 40% of the target award; if performance targets are met, participants will receive 100% of the target award; if performance targets are exceeded at a superior level, participants will receive 200% of the target award. If the performance thresholds are not achieved, participants will not receive an award. If awards are received, the restricted shares will vest over a one-year period after the performance period, with final vesting occurring on January 17, 2014.

On February 24, 2012, the Board of Directors approved the 2012—2014 Long-Term Incentive Plan (the “Plan”). The Plan stipulates restricted stock awards based on future performance of the Company over a three-year performance period. If performance thresholds are met, participants will receive 40% of the target award; if performance targets are met, participants will receive 100% of the target award; if performance targets are exceeded at a superior level, participants will receive 200% of the target award. If the performance thresholds are not achieved, participants will not receive an award. If awards are received, the restricted shares will vest over a one-year period after the performance period, with final vesting occurring on December 31, 2015.

The following table summarizes the unvested target awards for the Plans as of December 31:

	2012					2011
	Shares			Weighted Average Grant Date Fair Value		Shares			Weighted Average Grant Date Fair Value
Outstanding, beginning of the year		93,333		$	7.03		0		$	0.00
Granted		74,000			5.96		126,000			7.03
Vested		0			0.00		0			0.00
Forfeited		(16,000	)		6.63		(32,667	)		7.03
Outstanding, end of the year		151,333			6.55		93,333			7.03

Stock Option Plan

First Commonwealth’s stock based compensation plan expired on October 15, 2005, and is described below. All of the exercise prices and related number of shares have been adjusted to reflect historical stock splits. The plan permitted the Executive Compensation Committee to grant options for up to 4.5 million shares of First Commonwealth’s common stock through October 15, 2005.

The vesting requirements and terms of options granted were at the discretion of the Executive Compensation Committee. Options granted in 2005 vested in the year granted. All options expire ten years from the grant date. All equity compensation plans were approved by security holders.

A summary of the status of First Commonwealth’s outstanding stock options as of December 31 and changes for the years ended on those dates is presented below:

	2012					2011					2010
	Shares			Weighted Average Exercise Price		Shares			Weighted Average Exercise Price		Shares			Weighted Average Exercise Price
Outstanding, beginning of the year		496,863		$	10.03		640,866		$	10.05		728,552		$	10.18
Granted		0			0.00		0			0.00		0			0.00
Exercised		(130,672	)		6.76		(13,760	)		5.29		0			0.00
Forfeited		(169,869	)		10.68		(130,243	)		10.61		(87,686	)		11.19
Balance, end of the year		196,322			11.64		496,863			10.03		640,866			10.05
Exercisable at the end of the year		196,322			11.64		496,863			10.03		640,866			10.05

The intrinsic value of stock options exercised during the years ended December 31, 2012 and 2011 was $1.41 per share and $1.17 per share, respectively. There were no options exercised during the year ended December 31, 2010.

The following table summarizes information about the stock options outstanding at December 31, 2012:

	Options Outstanding						Options Exercisable
Range of Exercise Prices	Number Outstanding		Weighted Average Remaining Contract Life		Weighted Average Exercise Price		Number Exercisable		Weighted Average Exercise Price
$9.00 - $9.99		50,087		0.4	$	9.27		50,087	$	9.27
$10.00 - $10.99		4,954		0.9		10.46		4,954		10.46
$12.00 - $15.00		141,281		0.3		12.52		141,281		12.52
Total		196,322		0.3		11.64		196,322		11.64

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Other Investments - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
FHLB stock totaled	$ 28,228,000	$ 39,796,000
Maximum percentage of stock to be purchased	5.00%	5.00%
Repurchases of stock	$ 11,600,000	$ 9,100,000

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Income Taxes - Schedule of Components of Income Tax Provision (Benefit) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Components Of Income Tax Expense Benefit [Line Items]
Federal	$ 12,035	$ 651	$ 3,794
State	72	161	59
Total current tax provision	12,107	812	3,853
Deferred tax provision (benefit)	2,551	(1,192)	(4,671)
Total tax provision (benefit)	$ 14,658	$ (380)	$ 239

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Retirement Plans - Schedule of Weighted-Average Assumptions Used to Determine Benefit Obligation (Detail) (Benefit obligation [Member])	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Benefit obligation [Member]
Net Periodic Benefit Cost Assumptions [Line Items]
Discount rate	3.31%	4.22%	4.71%
Health care cost trend: Initial	7.00%	8.00%	9.00%
Health care cost trend: Ultimate	4.75%	4.75%	4.75%
Year ultimate reached	2022	2016	2016

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Unearned ESOP Shares - Interest Paid on ESOP Loan and Dividends Received on Unallocated Shares (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Interest paid on ESOP loan	$ 31,597	$ 43,303	$ 63,501
Dividends on unallocated shares	19	32	22
ESOP [Member]
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Interest paid on ESOP loan	$ 13	$ 38	$ 66

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Securities Available for Sale - Analysis of Amortized Cost and Estimated Fair Values of Securities Available for Sale (Detail) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Investment Securities [Line Items]
Amortized Cost	$ 1,169,613,000	$ 1,140,212,000
Gross Unrealized Gains	30,650,000	35,050,000
Gross Unrealized Losses	(28,960,000)	(32,486,000)
Estimated Fair Value of Available for Sale	1,171,303,000	1,142,776,000
Obligations of States and Political Subdivisions [Member]
Investment Securities [Line Items]
Amortized Cost	82,000	444,000
Gross Unrealized Gains	4,000	15,000
Gross Unrealized Losses	0	0
Estimated Fair Value of Available for Sale	86,000	459,000
Corporate Securities [Member]
Investment Securities [Line Items]
Amortized Cost	6,703,000	11,811,000
Gross Unrealized Gains	288,000	162,000
Gross Unrealized Losses	0	(562,000)
Estimated Fair Value of Available for Sale	6,991,000	11,411,000
Pooled Trust Preferred Collateralized Debt Obligations [Member]
Investment Securities [Line Items]
Amortized Cost	51,866,000	54,762,000
Gross Unrealized Gains	3,000	3,000
Gross Unrealized Losses	(28,496,000)	(31,785,000)
Estimated Fair Value of Available for Sale	23,373,000	22,980,000
Debt Securities [Member]
Investment Securities [Line Items]
Amortized Cost	1,167,754,000	1,138,352,000
Gross Unrealized Gains	30,534,000	35,050,000
Gross Unrealized Losses	(28,960,000)	(32,486,000)
Estimated Fair Value of Available for Sale	1,169,328,000	1,140,916,000
Mortgage - Backed Securities - Residential [Member] | Obligations of U.S. Government [Member]
Investment Securities [Line Items]
Amortized Cost	27,883,000	32,139,000
Gross Unrealized Gains	3,781,000	4,061,000
Gross Unrealized Losses	0	(6,000)
Estimated Fair Value of Available for Sale	31,664,000	36,194,000
Mortgage - Backed Securities - Residential [Member] | Obligations of U.S. Government-Sponsored Enterprises [Member]
Investment Securities [Line Items]
Amortized Cost	839,102,000	771,196,000
Gross Unrealized Gains	25,691,000	29,835,000
Gross Unrealized Losses	(392,000)	0
Estimated Fair Value of Available for Sale	864,401,000	801,031,000
Mortgage - Backed Securities - Commercial [Member] | Obligations of U.S. Government-Sponsored Enterprises [Member]
Investment Securities [Line Items]
Amortized Cost	148,000	193,000
Gross Unrealized Gains	1,000	1,000
Gross Unrealized Losses	0	(1,000)
Estimated Fair Value of Available for Sale	149,000	193,000
Other Government - Sponsored Enterprises [Member] | Obligations of U.S. Government-Sponsored Enterprises [Member]
Investment Securities [Line Items]
Amortized Cost	241,970,000	267,807,000
Gross Unrealized Gains	766,000	973,000
Gross Unrealized Losses	(72,000)	(132,000)
Estimated Fair Value of Available for Sale	242,664,000	268,648,000
Equities [Member]
Investment Securities [Line Items]
Amortized Cost	1,859,000	1,860,000
Gross Unrealized Gains	116,000	0
Gross Unrealized Losses	0	0
Estimated Fair Value of Available for Sale	$ 1,975,000	$ 1,860,000

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Loans and Allowance for Credit Losses - Recorded Investment and Unpaid Principal Balance for Impaired Loans with Associated Allowance (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Financing Receivable, Impaired [Line Items]
Recorded Investment	$ 107,555	$ 98,752
Unpaid Principal Balance	139,687	130,627
Related Allowance	17,778	13,236
Average Recorded Investment	87,979	139,922	140,737
Interest Income Recognized	369	1,393	30
Commercial, financial, agricultural and other with no related allowance recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	8,080	2,010
Unpaid Principal Balance	8,983	3,418
Related Allowance	0	0
Average Recorded Investment	9,217	3,887	6,051
Interest Income Recognized	173	20	0
Real estate construction with no related allowance recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	8,491	10,814
Unpaid Principal Balance	35,555	20,161
Related Allowance	0	0
Average Recorded Investment	11,912	23,254	35,898
Interest Income Recognized	0	10	0
Residential real estate with no related allowance recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	7,928	3,125
Unpaid Principal Balance	8,401	3,513
Related Allowance	0	0
Average Recorded Investment	8,114	2,702	3,165
Interest Income Recognized	72	9	0
Commercial real estate with no related allowance recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	33,259	36,777
Unpaid Principal Balance	35,401	41,974
Related Allowance	0	0
Average Recorded Investment	28,574	35,817	24,198
Interest Income Recognized	66	799	12
Loans to individuals with no related allowance recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	256	0
Unpaid Principal Balance	256	0
Related Allowance	0	0
Average Recorded Investment	103	10	58
Interest Income Recognized	2	0	0
Subtotal with no related allowance recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	58,014	52,726
Unpaid Principal Balance	88,596	69,066
Related Allowance	0	0
Average Recorded Investment	57,920	65,670	69,370
Interest Income Recognized	313	838	12
Commercial, financial, agricultural and other With an allowance recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	26,532	34,056
Unpaid Principal Balance	27,412	34,341
Related Allowance	10,331	9,069
Average Recorded Investment	21,979	30,456	43,778
Interest Income Recognized	9	152	14
Real estate construction with an allowance recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	2,756	6,298
Unpaid Principal Balance	3,087	21,402
Related Allowance	300	2,960
Average Recorded Investment	1,457	14,465	16,641
Interest Income Recognized	0	0	0
Residential real estate With an allowance recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	2,695	955
Unpaid Principal Balance	2,696	955
Related Allowance	780	93
Average Recorded Investment	1,599	615	237
Interest Income Recognized	15	7	0
Commercial real estate With an allowance recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	17,558	4,717
Unpaid Principal Balance	17,896	4,863
Related Allowance	6,367	1,114
Average Recorded Investment	5,024	28,716	10,711
Interest Income Recognized	32	396	4
Loans to individuals With an allowance recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Related Allowance	0	0
Average Recorded Investment	0	0	0
Interest Income Recognized	0	0	0
Subtotal With an allowance recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	49,541	46,026
Unpaid Principal Balance	51,091	61,561
Related Allowance	17,778	13,236
Average Recorded Investment	30,059	74,252	71,367
Interest Income Recognized	$ 56	$ 555	$ 18

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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Components of Income Tax Provision (Benefit)

The income tax provision (benefit) for the years ended December 31 is as follows:

	2012		2011			2010
	(dollars in thousands)
Current tax provision for income exclusive of securities transactions:
Federal	$	12,035	$	651		$	3,794
State		72		161			59
Total current tax provision		12,107		812			3,853
Deferred tax provision (benefit)		2,551		(1,192	)		(3,614	)
Total tax provision (benefit)	$	14,658	$	(380	)	$	239

Schedule of Effective Income Tax Rate Reconciliation

The statutory to effective tax rate reconciliation for the years ended December 31 is as follows:

	2012						2011						2010
	Amount			% of Pretax Income			Amount			% of Pretax Income			Amount			% of Pretax Income
	(dollars in thousands)
Tax at statutory rate	$	19,814			35	%	$	5,213			35	%	$	8,126			35	%
Decrease resulting from:
Income from bank owned life insurance		(2,048	)		(4	)		(1,959	)		(13	)		(1,866	)		(8	)
Tax-exempt interest income, net		(2,789	)		(5	)		(3,453	)		(23	)		(5,688	)		(25	)
Tax credits		(267	)		0			(270	)		(2	)		(304	)		(1	)
Other		(52	)		0			89			0			(29	)		0
Total tax provision (benefit)	$	14,658			26	%	$	(380	)		(3	)%	$	239			1	%

Schedule of Deferred Tax Assets and Liabilities

The tax effects of temporary differences between the financial statement carrying amounts and the tax bases of assets and liabilities that represent significant portions of the deferred tax assets and liabilities at December 31 are presented below:

	2012			2011
	(dollars in thousands)
Deferred tax assets:
Allowance for credit losses	$	23,515		$	21,432
Postretirement benefits other than pensions		769			841
Alternative minimum tax credit carryforward		13,026			15,247
Net operating loss carryforward		0			1,626
Writedown of other real estate owned		3,647			2,876
Other tax credit carryforward		0			1,383
Deferred compensation		2,203			2,215
Swap credit risk		772			1,037
Accrued interest on nonaccrual loans		3,887			3,161
Other-than-temporary impairment of securities		15,233			15,764
Capitalization of OREO expenses		847			826
Depreciation of assets		952			0
Unfunded loan commitment allowance		836			536
Other		1,176			2,822
Total deferred tax assets		66,863			69,766
Deferred tax liabilities:
Basis difference in assets acquired		(808	)		(1,213	)
Loan origination fees and costs		(606	)		(392	)
Income from unconsolidated subsidiary		(575	)		(551	)
Unrealized gain on securities available for sale		(592	)		(898	)
Depreciation of assets		0			(242	)
Other		(150	)		(198	)
Total deferred tax liabilities		(2,731	)		(3,494	)
Net deferred tax asset	$	64,132		$	66,272

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Other Long-term Debt - Summary of Other Long-Term Debt (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Long Term Debt Maturity [Line Items]
2013, Amount	$ 30,085
2014, Amount	57,890
2015, Amount	79,970
2016, Amount	387
2017, Amount	405
Thereafter, Amount	5,734
Total, Amount	174,471	101,664
ESOP loan [Member]
Long Term Debt Maturity [Line Items]
2012, Amount		1,600
2012, Weighted Average Contractual Rate		LIBOR + 1.00 %
2012, Weighted Average Effective Rate		LIBOR + 1.00 %
Borrowings from FHLB [Member]
Long Term Debt Maturity [Line Items]
2012, Amount		25,585
2013, Amount	30,085	30,085
2014, Amount	57,890	7,891
2015, Amount	79,970	29,970
2016, Amount	387	388
2017, Amount	405
Thereafter, Amount		6,145
Thereafter, Amount	$ 5,734
Borrowings from FHLB [Member]
Long Term Debt Maturity [Line Items]
2012, Weighted Average Contractual Rate		1.54%
2012, Weighted Average Effective Rate		1.53%
2013, Weighted Average Contractual Rate	2.32%	2.32%
2014, Weighted Average Contractual Rate	1.13%	5.37%
2015, Weighted Average Contractual Rate	0.82%	1.37%
2016, Weighted Average Contractual Rate	4.64%	4.64%
2017, Weighted Average Contractual Rate	4.64%
Thereafter, Weighted Average Contractual Rate		4.66%
Thereafter, Weighted Average Contractual Rate	4.66%
2013, Weighted Average Effective Rate	2.32%	2.32%
2014, Weighted Average Effective Rate	1.13%	5.35%
2015, Weighted Average Effective Rate	0.82%	1.37%
2016, Weighted Average Effective Rate	4.64%	4.64%
2017, Weighted Average Effective Rate	4.64%
Thereafter, Weighted Average Effective Rate		4.66%
Thereafter, Weighted Average Effective Rate	4.66%

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Incentive Compensation Plan - Additional Information (Detail) (USD $)	1 Months Ended		12 Months Ended						1 Months Ended				12 Months Ended	1 Months Ended		12 Months Ended
	Feb. 24, 2012	Jan. 17, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 Restricted Stock [Member]	Dec. 31, 2011 Restricted Stock [Member]	Dec. 31, 2010 Restricted Stock [Member]	Nov. 21, 2011 Executive [Member] Restricted Stock [Member]	Jan. 22, 2010 Executive [Member] Restricted Stock [Member]	Apr. 01, 2008 Executive [Member] Restricted Stock [Member]	Nov. 12, 2007 Executive [Member] Restricted Stock [Member]	Dec. 31, 2012 Executive [Member] Restricted Stock [Member]	Feb. 24, 2012 Executive [Member] Restricted Stock [Member] Long-Term Incentive Plan [Member]	Feb. 24, 2012 Executive [Member] Restricted Stock [Member] Annual Incentive Plan [Member]	Dec. 31, 2012 Executive [Member] Restricted Stock [Member] Annual Incentive Plan [Member]
Maximum number of shares that are available to be awarded			5,000,000
Shares eligible for awards			4,507,841
Common stock issued to executive									10,000	30,120	12,654	35,000	25,000	34,000	90,000	100,000
Fair value of restricted stock			$ 5.65	$ 6.13	$ 5.70	$ 5.96	$ 7.03		$ 4.41	$ 5.70	$ 12.35	$ 10.95	$ 6.82	$ 5.96	$ 5.96	$ 5.26
Expiration of compensation plan			Oct. 15, 2015						Nov. 21, 2014	Jan. 22, 2012	Apr. 01, 2011	Nov. 12, 2010	Apr. 01, 2016	Dec. 31, 2014	Feb. 24, 2014	Jan. 01, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights	One-year period	One-year period							The restricted stock fully vests at the end of a three year period	Two year period	Three year period	Three year period	Five year period		The restricted stock fully vests at the end of a two year period	The restricted stock fully vests equally over a four year period
Compensation expense						$ 395,000	$ 249,000	$ 244,000
Unrecognized compensation cost related to unvested restricted stock						1,600,000
Percentage of target award if thresholds are met	40.00%	40.00%
Percentage of target award if performance targets are met	100.00%	100.00%
Percentage of target award if performance target exceeds	200.00%	200.00%
Performance based Stock Award period	3 years	3 years
Options granted under plan			4,500,000
Vesting period of restricted stock			10 years
Intrinsic value of stock options exercised			$ 1.41	$ 1.17
Options exercised			130,672	13,760	0.00

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Securities Available for Sale - Amortized Cost and Estimated Fair Value of Debt Securities Available for Sale (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Investment Securities [Line Items]
Mortgage Backed Securities, Amortized Cost	$ 1,169,613	$ 1,140,212
Mortgage-Backed Securities, Estimated Fair Value	1,171,303	1,142,776
Obligations of U.S. Government [Member]
Investment Securities [Line Items]
Mortgage Backed Securities, Amortized Cost	28,000
Mortgage-Backed Securities, Estimated Fair Value	32,000
Obligations of U.S. Government-Sponsored Enterprises [Member]
Investment Securities [Line Items]
Mortgage Backed Securities, Amortized Cost	839,000
Mortgage-Backed Securities, Estimated Fair Value	$ 864,000

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Subsequent Event - Additional Information (Detail) (Subsequent Event [Member], USD $) In Millions, unless otherwise specified	1 Months Ended
	Jan. 31, 2013	Jan. 29, 2013
Subsequent Event [Member]
Subsequent Event [Line Items]
Additional shares authorized for repurchase		$ 25.0
Redemption of capital securities	$ 32.5
Redemption rate	9.50%

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Loans and Allowance for Credit Losses - Credit Risk Profile by Creditworthiness (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 4,204,704	$ 4,043,643	$ 4,218,083
Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,916,202	3,751,620
OAEM [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	120,205	99,211
Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	164,775	182,160
Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,522	10,652
Total Non-Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	288,502	292,023
Commercial, financial, agricultural and other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,019,822	996,739
Commercial, financial, agricultural and other [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	925,868	904,057
Commercial, financial, agricultural and other [Member] | OAEM [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	31,049	27,627
Commercial, financial, agricultural and other [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	62,905	60,114
Commercial, financial, agricultural and other [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	0	4,941
Commercial, financial, agricultural and other [Member] | Total Non-Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	93,954	92,682
Real estate construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	87,438	76,564
Real estate construction [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	64,353	44,914
Real estate construction [Member] | OAEM [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	925	4,238
Real estate construction [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	18,638	21,701
Real estate construction [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,522	5,711
Real estate construction [Member] | Total Non-Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	23,085	31,650
Residential real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,241,565	1,137,059
Residential real estate [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,224,849	1,126,143
Residential real estate [Member] | OAEM [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	5,647	5,484
Residential real estate [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	11,069	5,432
Residential real estate [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	0	0
Residential real estate [Member] | Total Non-Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	16,716	10,916
Commercial real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,273,661	1,267,432
Commercial real estate [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,119,093	1,110,664
Commercial real estate [Member] | OAEM [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	82,581	61,855
Commercial real estate [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	71,987	94,913
Commercial real estate [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	0	0
Commercial real estate [Member] | Total Non-Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	154,568	156,768
Loans to individuals [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	582,218	565,849
Loans to individuals [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	582,039	565,842
Loans to individuals [Member] | OAEM [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3	7
Loans to individuals [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	176	0
Loans to individuals [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	0	0
Loans to individuals [Member] | Total Non-Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 179	$ 7

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Condensed Financial Information of First Commonwealth Financial Corporation (Parent Company Only) - Statements of Operations (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Schedule Of Condensed Consolidating Statement Of Operation [Line Items]
Interest and dividends	$ 219,075	$ 231,545	$ 268,360
Interest expense	(30,146)	(41,678)	(61,599)
Other income	13,610	12,803	10,016
Applicable income tax benefits	(14,658)	380	(239)
Net Income	41,954	15,274	22,978
Parent [Member]
Schedule Of Condensed Consolidating Statement Of Operation [Line Items]
Interest and dividends	1	1	1
Dividends from subsidiaries	64,342	10,321	3,190
Interest expense	(5,711)	(5,605)	(5,658)
Other income	12,581	30,595	28,789
Operating expense	(19,061)	(44,057)	(42,786)
Income (loss) before taxes and equity in undistributed earnings of subsidiaries	52,152	(8,745)	(16,464)
Applicable income tax benefits	4,364	6,618	6,790
Income (loss) before equity in undistributed earnings of subsidiaries	56,516	(2,127)	(9,674)
Equity in undistributed (loss) earnings of subsidiaries	(14,562)	17,401	32,652
Net Income	$ 41,954	$ 15,274	$ 22,978

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Impairment of Investment Securities - Schedule of Unrealized Losses and Estimated Fair Values (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Schedule Of Unrealized Losses On Securities [Line Items]
Estimated Fair Value, Less Than 12 Months	$ 135,599	$ 61,767
Gross Unrealized Losses Less Than 12 Months	(464)	(701)
Estimated Fair Value, 12 Months or More	23,350	22,943
Gross Unrealized Losses 12 Months or More	(28,496)	(31,785)
Total Estimated Fair Value	158,949	84,710
Total Gross Unrealized Losses	(28,960)	(32,486)
Pooled Trust Preferred Collateralized Debt Obligations [Member]
Schedule Of Unrealized Losses On Securities [Line Items]
Estimated Fair Value, Less Than 12 Months	0	0
Gross Unrealized Losses Less Than 12 Months	0	0
Estimated Fair Value, 12 Months or More	23,316	22,927
Gross Unrealized Losses 12 Months or More	(28,496)	(31,785)
Total Estimated Fair Value	23,316	22,927
Total Gross Unrealized Losses	(28,496)	(31,785)
Obligations of States and Political Subdivisions [Member]
Schedule Of Unrealized Losses On Securities [Line Items]
Estimated Fair Value, Less Than 12 Months	0	0
Gross Unrealized Losses Less Than 12 Months	0	0
Estimated Fair Value, 12 Months or More	0	0
Gross Unrealized Losses 12 Months or More	0	0
Total Estimated Fair Value	0	0
Total Gross Unrealized Losses	0	0
Corporate Securities [Member]
Schedule Of Unrealized Losses On Securities [Line Items]
Estimated Fair Value, Less Than 12 Months	0	4,536
Gross Unrealized Losses Less Than 12 Months	0	(562)
Estimated Fair Value, 12 Months or More	0	0
Gross Unrealized Losses 12 Months or More	0	0
Total Estimated Fair Value	0	4,536
Total Gross Unrealized Losses	0	(562)
Obligations of U.S. Government [Member] | Mortgage - Backed Securities - Residential [Member]
Schedule Of Unrealized Losses On Securities [Line Items]
Estimated Fair Value, Less Than 12 Months	0	1,086
Gross Unrealized Losses Less Than 12 Months	0	(6)
Estimated Fair Value, 12 Months or More	13	16
Gross Unrealized Losses 12 Months or More	0	0
Total Estimated Fair Value	13	1,102
Total Gross Unrealized Losses	0	(6)
Obligations of U.S. Government-Sponsored Enterprises [Member] | Mortgage - Backed Securities - Residential [Member]
Schedule Of Unrealized Losses On Securities [Line Items]
Estimated Fair Value, Less Than 12 Months	76,296	25
Gross Unrealized Losses Less Than 12 Months	(392)
Estimated Fair Value, 12 Months or More	21	0
Gross Unrealized Losses 12 Months or More	0	0
Total Estimated Fair Value	76,317	25
Total Gross Unrealized Losses	(392)	0
Obligations of U.S. Government-Sponsored Enterprises [Member] | Mortgage - Backed Securities - Commercial [Member]
Schedule Of Unrealized Losses On Securities [Line Items]
Estimated Fair Value, Less Than 12 Months	0	151
Gross Unrealized Losses Less Than 12 Months	0	(1)
Estimated Fair Value, 12 Months or More	0	0
Gross Unrealized Losses 12 Months or More	0	0
Total Estimated Fair Value	0	151
Total Gross Unrealized Losses	0	(1)
Obligations of U.S. Government-Sponsored Enterprises [Member] | Other Government - Sponsored Enterprises [Member]
Schedule Of Unrealized Losses On Securities [Line Items]
Estimated Fair Value, Less Than 12 Months	59,303	55,969
Gross Unrealized Losses Less Than 12 Months	(72)	(132)
Estimated Fair Value, 12 Months or More	0	0
Gross Unrealized Losses 12 Months or More	0	0
Total Estimated Fair Value	59,303	55,969
Total Gross Unrealized Losses	$ (72)	$ (132)

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Loans and Allowance for Credit Losses - Additional Information (Detail) (USD $)	12 Months Ended						1 Months Ended	12 Months Ended				12 Months Ended	9 Months Ended	3 Months Ended	12 Months Ended			12 Months Ended				12 Months Ended		12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 Water Treatment Plant [Member]	Dec. 31, 2012 Gas Well Servicing Operation [Member]	Dec. 31, 2011 Commercial real estate loans [Member]	Dec. 31, 2012 Troubled debt restructured loans [Member]	Dec. 31, 2012 Troubled debt restructured loans [Member]	Dec. 31, 2011 Troubled debt restructured loans [Member]	Dec. 31, 2012 Commercial real estate [Member]	Dec. 31, 2012 Commercial real estate [Member] Gas Well Servicing Operation [Member]	Dec. 31, 2011 Loans Held for Sale [Member]	Sep. 30, 2012 Commercial real estate loan for retail development in western Pennsylvania [Member]	Jun. 30, 2012 Impaired Loans [Member]	Dec. 31, 2012 Impaired Loans [Member] D	Dec. 31, 2011 Impaired Loans [Member]	Dec. 31, 2012 Impaired Loans [Member] Real Estate [Member]	Dec. 31, 2012 Impaired Loans [Member] Western Pennsylvania (Member]	Dec. 31, 2012 Impaired Loans [Member] Eastern Pennsylvania [Member]	Dec. 31, 2012 Impaired Loans [Member] Reserve for off balance sheet activities [Member]	Dec. 31, 2011 Impaired Loans [Member] Reserve for off balance sheet activities [Member]	Dec. 31, 2012 Impaired Loans [Member] Commercial real estate [Member]	Dec. 31, 2011 Impaired Loans [Member] Loans Held for Sale [Member]	Dec. 31, 2012 Impaired Loans [Member] Commercial real estate loan for retail development in western Pennsylvania [Member]	Dec. 31, 2012 Impaired Loans [Member] Washington [Member]	Dec. 31, 2012 Impaired Loans [Member] Medical Equipment [Member]	Dec. 31, 2012 Impaired Loans [Member] Real Estate Secured Loan to a Hotel Resort Syndication in Washington [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Charge-offs	$ 16,969,000	$ 68,293,000	$ 75,309,000						$ 5,600,000			$ 9,500,000
Percentage of loan portfolio	91.00%
Nonperforming loans																							13,400,000
Decrease in nonperforming loans																11,300,000
Increase decrease in nonperforming loans														10,300,000
Impaired loans under nonperforming status													6,500,000		2,800,000			4,900,000				3,800,000		6,500,000	4,600,000	2,500,000
Nonaccrual loans				2,800,000	3,700,000					3,300,000	17,000,000				6,500,000		6,700,000					3,300,000
Nonaccrual loans status															150,000,000
Unfunded commitments related to nonperforming loans															4,600,000	6,700,000
Off balance sheet reserve to nonperforming loans																				200,000	200,000
Nonaccrual	94,518,000	78,476,000													19,100,000			4,900,000	15,700,000								4,600,000
Financing receivable recorded investment nonaccrual status remaining portion																		44,100,000
Principal payment of nonaccrual loans																		8,000,000
Nonaccrual loans charge off																		15,400,000	4,200,000
Loan maturity extension										6 months
Loans held for sale	0	13,412,000				2,700
Troubled debt restructured Loan									10,200,000
Loans outstanding							17,400,000
Debt forgiveness granted	15,400,000
Loans with modification to rate and payment due to amortization	4,700,000	25,200,000	100,000
Minimum days required for conversion of trouble debt to be in default	90 days
Loans transferred to loans held for sale								$ 4,100,000

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Securities Available for Sale - 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, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Proceeds from sale	$ 0	$ 76,914	$ 143,503
Sales Transactions:
Gross gains	0	2,368	2,892
Gross losses	0	(258)	(790)
Total gain (losses) from sales transactions	0	2,110	2,102
Maturities, calls and impairment:
Gross gains	192	75	270
Gross losses	0	0	0
Other-than-temporary impairment	0	0	(9,193)
Total gain (losses) maturities and impairment	192	75	(8,923)
Net gains (losses) and impairment	$ 192	$ 2,185	$ (6,821)

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Derivatives - Schedule of Change in Fair Value of Derivative Assets and Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Derivative [Line Items]
Increase (decrease) in other income	$ 755	$ (6,687)	$ 141

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Interest-Bearing Deposits

12 Months Ended

Dec. 31, 2012

Interest-Bearing Deposits

Note 17—Interest-Bearing Deposits

Components of interest-bearing deposits at December 31 were as follows:

	2012		2011
	(dollars in thousands)
Interest-bearing demand deposits	$	97,963	$	95,945
Savings deposits		2,543,990		2,430,802
Time deposits		1,032,659		1,197,560
Total interest-bearing deposits	$	3,674,612	$	3,724,307

Interest-bearing deposits at December 31, 2012 and 2011, include allocations from interest-bearing demand deposit accounts of $581.5 million and $541.7 million, respectively, into savings which includes money market accounts. These reallocations are based on a formula and have been made to reduce First Commonwealth’s reserve requirement in compliance with regulatory guidelines.

Included in time deposits at December 31, 2012 and 2011, were certificates of deposit in denominations of $100 thousand or more of $322.4 million and $317.0 million, respectively.

Interest expense related to certificates of deposit $100 thousand or greater amounted to $5.3 million in 2012, $7.4 million in 2011 and $9.4 million in 2010.

Included in time deposits at December 31, 2012, were certificates of deposit with the following scheduled maturities (dollars in thousands):

2013	$	503,806
2014		245,699
2015		163,531
2016		82,024
2017 and thereafter		37,599
Total	$	1,032,659

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Regulatory Restrictions and Capital Adequacy - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Cash dividends declared per common share	$ 0.18	$ 0.12

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Premises and Equipment (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Premises and Equipment

Premises and equipment are described as follows:

	Estimated Useful Life	2012		2011
	(dollars in thousands)
Land	Indefinite	$	12,503	$	12,513
Buildings and improvements	10-50 years		81,328		81,072
Leasehold improvements	5-40 years		14,617		14,536
Furniture and equipment	3-10 years		79,181		79,722
Software	3-10 years		40,199		33,479
Subtotal			227,828		221,322
Less accumulated depreciation and amortization			158,858		154,567
Total premises and equipment		$	68,970	$	66,755

Schedule of Future Minimum Rentals

Total future minimal rental commitments at December 31, 2012, were as follows:

	Premises		Equipment
	(dollars in thousands)
2013	$	3,341	$	207
2014		3,166		18
2015		2,979		0
2016		2,795		0
2017		2,544		0
Therafter		17,070		0
Total	$	31,895	$	225

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Supplemental Cash Flow Disclosures (Tables)

12 Months Ended

Dec. 31, 2012

Non-cash Investing and Financing Activities

The following table presents information related to cash paid during the year for interest and income taxes as well as detail on non-cash investing and financing activities for the years ended December 31.

	2012			2011		2010
	(dollars in thousands)
Cash paid during the year for:
Interest	$	31,597		$	43,303	$	63,501
Income taxes		11,641			5,900		2,516
Non-cash investing and financing activities:
ESOP loan reductions		1,600			2,000		2,000
Loans transferred to other real estate owned and repossessed assets		4,979			34,269		11,987
Fair value of loans transferred from held to maturity to available for sale		0			14,235		0
Gross (decrease) increase in market value adjustment to securities available for sale		(874	)		7,107		5,088
Transfer of secruities from held to maturity to available for sale		0			0		22,433

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Securities Available for Sale - Amortized Cost and Estimated Fair Value of Debt Securities Available for Sale (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Investment Securities [Line Items]
Due within 1 year, Amortized Cost	$ 0
Due after 1 but within 5 years, Amortized Cost	242,052
Due after 5 but within 10 years, Amortized Cost	0
Due after 10 years, Amortized Cost	58,569
Debt securities gross, Amortized Cost	300,621
Mortgage-Backed Securities, Amortized Cost	1,169,613	1,140,212
Total debt securities, Amortized Cost	1,167,754
Due within 1 year, Estimated Fair Value	0
Due after 1 but within 5 years, Estimated Fair Value	242,750
Due after 5 but within 10 years, Estimated Fair Value	0
Due after 10 years, Estimated Fair Value	30,364
Debt securities gross, Estimated Fair Value	273,114
Mortgage-Backed Securities, Estimated Fair Value	1,171,303	1,142,776
Total debt securities, Estimated Fair Value	1,169,328
Mortgage-Backed Securities [Member]
Investment Securities [Line Items]
Mortgage-Backed Securities, Amortized Cost	867,133
Mortgage-Backed Securities, Estimated Fair Value	$ 896,214

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Premises and Equipment - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Property, Plant and Equipment [Line Items]
Amount paid under sale-leaseback arrangement	$ 431,000
Gain on sale of branch	297,000
Sale-leaseback transaction	15 year
Total lease expense	4,300,000	4,400,000	4,400,000
Premises and Equipment [Member]
Property, Plant and Equipment [Line Items]
Depreciation included in noninterest expense	$ 7,900,000	$ 8,300,000	$ 8,600,000

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Capital

12 Months Ended

Dec. 31, 2012

Capital

Note 29—Capital

On June 19, 2012 First Commonwealth announced a $50.0 million common stock repurchase program. As of December 31, 2012, First Commonwealth has purchased 5,662,083 shares at an average price of $6.62 per share.

In the third quarter of 2010, the Company completed a public offering of 18,543,750 shares of its common stock at an offering price of $4.65 per share, raising additional capital of $86.2 million. In connection with the stock offering approximately $4.8 million worth of costs were capitalized resulting in net proceeds of $81.4 million.

The Company amended its Dividend Reinvestment Plan (“DRIP”) during the second quarter of 2009 to provide the flexibility to raise capital by selling up to 5,000,000 shares of common stock through the DRIP. These shares may be sold pursuant to routine reinvested dividends, as well as optional cash purchases. During 2012 and 2011, there were no shares issued under this program. During 2010, 1,116,810 shares were issued under this program, 745,912 of which were related to the reissuance of Treasury Shares, raising $6.7 million in capital. During 2009, 97,905 shares were issued under this program, all of which were related to the reissuance of Treasury Shares, raising $0.4 million in capital.

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Interest-Bearing Deposits (Tables)

12 Months Ended

Dec. 31, 2012

Components of Interest-Bearing Deposits

Components of interest-bearing deposits at December 31 were as follows:

	2012		2011
	(dollars in thousands)
Interest-bearing demand deposits	$	97,963	$	95,945
Savings deposits		2,543,990		2,430,802
Time deposits		1,032,659		1,197,560
Total interest-bearing deposits	$	3,674,612	$	3,724,307

Scheduled Maturities of Time Deposits

Included in time deposits at December 31, 2012, were certificates of deposit with the following scheduled maturities (dollars in thousands):

2013	$	503,806
2014		245,699
2015		163,531
2016		82,024
2017 and thereafter		37,599
Total	$	1,032,659

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Earnings per Share - Composition of Weighted-Average Common Shares (Denominator) Used in Basic and Diluted Earnings Per Share (Detail)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Earnings Per Share [Line Items]
Weighted average common shares issued	105,563,455	105,550,310	94,388,523
Average treasury shares	(1,456,953)	(657,633)	(828,523)
Averaged unearned ESOP shares	(38,393)	(165,010)	(319,726)
Average unearned nonvested shares	(182,713)	(27,440)	(43,049)
Weighted average common shares and common stock equivalents used to calculate basic earnings per share	103,885,396	104,700,227	93,197,225
Additional common stock equivalents (nonvested stock) used to calculate diluted earnings per share	171	119	0
Additional common stock equivalents (stock options) used to calculate diluted earnings per share	96	47	2,548
Weighted average common shares and common stock equivalents used to calculate diluted earnings per share	103,885,663	104,700,393	93,199,773

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Other Long-term Debt - Summary of Scheduled Loan Payments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Long Term Debt Maturities Repayments Of Principal [Line Items]
Long term debt payments, 2013	$ 30,085
Long term debt payments, 2014	57,890
Long term debt payments, 2015	79,970
Long term debt payments, 2016	387
Long term debt payments, 2017	405
Long term debt payments, Thereafter	5,734
Long term debt payments Total	174,471	101,664
Long-term debt payments [Member]
Long Term Debt Maturities Repayments Of Principal [Line Items]
Long term debt payments, 2013	29,968
Long term debt payments, 2014	57,852
Long term debt payments, 2015	79,970
Long term debt payments, 2016	387
Long term debt payments, 2017	405
Long term debt payments, Thereafter	5,734
Long term debt payments Total	174,316
Purchase valuation amortization [Member]
Long Term Debt Maturities Repayments Of Principal [Line Items]
Long term debt payments, 2013	117
Long term debt payments, 2014	38
Long term debt payments, 2015	0
Long term debt payments, 2016	0
Long term debt payments, 2017	0
Long term debt payments, Thereafter	0
Long term debt payments Total	$ 155

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Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2012

Loans to Related Parties

The following is an analysis of loans to related parties (dollars in thousands):

Balance December 31, 2011	$	551
Advances		5,663
Repayments		(5,557	)
Other		1,076
Balance December 31, 2012	$	1,733

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Loans and Allowance for Credit Losses (Tables)

12 Months Ended

Dec. 31, 2012

Outstanding Balances of Loan

The following table provides outstanding balances related to each of our loan types as of December 31:

	2012		2011
	(dollars in thousands)
Commercial, financial, agricultural and other	$	1,019,822	$	996,739
Real estate construction		87,438		76,564
Residential real estate		1,241,565		1,137,059
Commercial real estate		1,273,661		1,267,432
Loans to individuals		582,218		565,849
Total loans net of unearned income	$	4,204,704	$	4,043,643

Credit Risk Profile by Creditworthiness

The following tables represent our credit risk profile by creditworthiness category for the years ended December 31:

	2012
	Commercial, financial, agricultural and other		Real estate construction		Residential real estate		Commerical real estate		Loans to individuals		Total
	(dollars in thousands)
Pass	$	925,868	$	64,353	$	1,224,849	$	1,119,093	$	582,039	$	3,916,202
Non-Pass
OAEM		31,049		925		5,647		82,581		3		120,205
Substandard		62,905		18,638		11,069		71,987		176		164,775
Doubtful		0		3,522		0		0		0		3,522
Total Non-Pass		93,954		23,085		16,716		154,568		179		288,502
Total	$	1,019,822	$	87,438	$	1,241,565	$	1,273,661	$	582,218	$	4,204,704

	2011
	Commercial, financial, agricultural and other		Real estate construction		Residential real estate		Commercial real estate		Loans to individuals		Total
	(dollars in thousands)
Pass	$	904,057	$	44,914	$	1,126,143	$	1,110,664	$	565,842	$	3,751,620
Non-Pass
OAEM		27,627		4,238		5,484		61,855		7		99,211
Substandard		60,114		21,701		5,432		94,913		0		182,160
Doubtful		4,941		5,711		0		0		0		10,652
Total Non-Pass		92,682		31,650		10,916		156,768		7		292,023
Total	$	996,739	$	76,564	$	1,137,059	$	1,267,432	$	565,849	$	4,043,643

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 December 31. 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.

	2012
	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	$	991	$	620	$	288	$	29,258	$	31,157	$	988,665	$	1,019,822
Real estate construction		2		19		15		9,778		9,814		77,624		87,438
Residential real estate		6,597		2,357		730		9,283		18,967		1,222,598		1,241,565
Commercial real estate		3,339		1,389		195		46,023		50,946		1,222,715		1,273,661
Loans to individuals		3,140		934		1,219		176		5,469		576,749		582,218
Total	$	14,069	$	5,319	$	2,447	$	94,518	$	116,353	$	4,088,351	$	4,204,704

	2011
	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	$	5,433	$	824	$	287	$	33,459	$	40,003	$	956,736	$	996,739
Real estate construction		0		180		0		14,911		15,091		61,473		76,564
Residential real estate		7,144		2,100		8,767		3,153		21,164		1,115,895		1,137,059
Commercial real estate		3,671		1,241		157		26,953		32,022		1,235,410		1,267,432
Loans to individuals		2,952		962		1,804		0		5,718		560,131		565,849
Total	$	19,200	$	5,307	$	11,015	$	78,476	$	113,998	$	3,929,645	$	4,043,643

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 December 31, 2012 and 2011. Also presented are the average recorded investment in impaired loans and the related amount of interest recognized while the loan was considered impaired for the years ended December 31, 2012, 2011 and 2010. Average balances are calculated based on month-end balances of the loans for the period reported.

	2012
	Recorded Investment		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
	(dollars in thousands)
With no related allowance recorded:
Commercial, financial, agricultural and other	$	8,080	$	8,983	$	0	$	9,217	$	173
Real estate construction		8,491		35,555		0		11,912		0
Residential real estate		7,928		8,401		0		8,114		72
Commercial real estate		33,259		35,401		0		28,574		66
Loans to individuals		256		256		0		103		2
Subtotal		58,014		88,596		0		57,920		313
With an allowance recorded:
Commercial, financial, agricultural and other		26,532		27,412		10,331		21,979		9
Real estate construction		2,756		3,087		300		1,457		0
Residential real estate		2,695		2,696		780		1,599		15
Commercial real estate		17,558		17,896		6,367		5,024		32
Loans to individuals		0		0		0		0		0
Subtotal		49,541		51,091		17,778		30,059		56
Total	$	107,555	$	139,687	$	17,778	$	87,979	$	369

	2011
	Recorded Investment		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
	(dollars in thousands)
With no related allowance recorded:
Commercial, financial, agricultural and other	$	2,010	$	3,418	$	0	$	3,887	$	20
Real estate construction		10,814		20,161		0		23,254		10
Residential real estate		3,125		3,513		0		2,702		9
Commercial real estate		36,777		41,974		0		35,817		799
Loans to individuals		0		0		0		10		0
Subtotal		52,726		69,066		0		65,670		838
With an allowance recorded:
Commercial, financial, agricultural and other		34,056		34,341		9,069		30,456		152
Real estate construction		6,298		21,402		2,960		14,465		0
Residential real estate		955		955		93		615		7
Commercial real estate		4,717		4,863		1,114		28,716		396
Loans to individuals		0		0		0		0		0
Subtotal		46,026		61,561		13,236		74,252		555
Total	$	98,752	$	130,627	$	13,236	$	139,922	$	1,393

	2010
	Average Recorded Investment		Interest Income Recognized
	(dollars in thousands)
With no related allowance recorded:
Commercial, financial, agricultural and other	$	6,051	$	0
Real estate construction		35,898		0
Residential real estate		3,165		0
Commercial real estate		24,198		12
Loans to individuals		58		0
Subtotal		69,370		12
With an allowance recorded:
Commercial, financial, agricultural and other		43,778		14
Real estate construction		16,641		0
Residential real estate		237		0
Commercial real estate		10,711		4
Loans to individuals		0		0
Subtotal		71,367		18
Total	$	140,737	$	30

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 as of December 31:

	2012		2011		2010
	(dollars in thousands)
Troubled debt restructured loans
Accrual status	$	13,037	$	20,276	$	1,336
Nonaccrual status		50,979		44,841		31,410
Total	$	64,016	$	65,117	$	32,746
Commitments
Letters of credit	$	1,574	$	12,580	$	11,321
Unused lines of credit		0		42		1,095
Total	$	1,574	$	12,622	$	12,416

Troubled Debt Restructurings is 90 Days or More Past Due

The following tables provide detail, including specific reserve and reasons for modification, related to loans identified as troubled debt restructurings during the years ending December 31:

	2012
			Reason for Modification
	Number of Contracts		Extend Maturity		Modify Rate		Modify Payments		Other		Total Pre-Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Specific Reserve
	(dollars in thousands)
Commercial, financial, agricultural and other		12	$	1,599	$	187	$	9,476	$	0	$	11,262	$	11,335	$	4,237
Real estate construction		2		1,697		0		0		0		1,697		2,133		200
Residential real estate		25		200		132		697		48		1,077		973		69
Commercial real estate		4		3,280		4,308		71		0		7,659		7,607		409
Loans to individuals		17		0		97		88		6		191		173		0
Total		60	$	6,776	$	4,724	$	10,332	$	54	$	21,886	$	22,221	$	4,915

	2011
			Reason for 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		13	$	100	$	475	$	2,218	$	2,793	$	2,749	$	743
Real estate construction		6		2,554		86		0		2,640		2,852		0
Residential real estate		10		0		515		601		1,116		1,100		65
Commercial real estate		22		17,202		24,226		2,311		43,739		25,292		507
Total		51	$	19,856	$	25,302	$	5,130	$	50,288	$	31,993	$	1,315

	2010
			Reason for 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		7	$	250	$	105	$	36,591	$	36,946	$	21,180	$	4,972
Real estate construction		2		109		2,070		0		2,179		1,051		0
Residential real estate		2		0		13		57		70		67		0
Commercial real estate		4		0		10,685		241		10,926		9,870		3
Total		15	$	359	$	12,873	$	36,889	$	50,121	$	32,168	$	4,975

Allowance for Credit Losses

The following tables provide detail related to the allowance for credit losses for the years ended December 31:

	2012
	Commercial, financial, agricultural and other			Real estate construction			Residential real estate			Commercial real estate			Loans to individuals			Unallocated		Total
	(dollars in thousands)
Allowance for credit losses:
Beginning Balance	$	18,200		$	6,756		$	8,237		$	18,961		$	4,244		$	4,836	$	61,234
Charge-offs		(5,207	)		(3,601	)		(3,828	)		(851	)		(3,482	)		0		(16,969	)
Recoveries		443			582			422			410			521			0		2,378
Provision		6,416			5,191			1,077			3,921			2,849			1,090		20,544
Ending Balance	$	19,852		$	8,928		$	5,908		$	22,441		$	4,132		$	5,926	$	67,187
Ending balance: individually evaluated for impaired	$	10,331		$	300		$	780		$	6,367		$	0		$	0	$	17,778
Ending balance: collectively evaluated for impaired		9,521			8,628			5,128			16,074			4,132			5,926		49,409
Loans:
Ending balance		1,019,822			87,438			1,241,565			1,273,661			582,218					4,204,704
Ending balance: individually evaluated for impaired		33,443			11,177			6,444			49,123			0					100,187
Ending balance: collectively evaluated for impaired		986,379			76,261			1,235,121			1,224,538			582,218					4,104,517

	2011
	Commercial, financial, agricultural and other			Real estate construction			Residential real estate			Commercial real estate			Loans to individuals			Unallocated			Total
	(dollars in thousands)
Allowance for credit losses:
Beginning Balance	$	21,700		$	18,002		$	5,454		$	16,913		$	4,215		$	4,945		$	71,229
Charge-offs		(7,114	)		(28,886	)		(4,107	)		(24,861	)		(3,325	)		0			(68,293	)
Recoveries		473			955			132			349			573			0			2,482
Provision		3,141			16,685			6,758			26,560			2,781			(109	)		55,816
Ending Balance	$	18,200		$	6,756		$	8,237		$	18,961		$	4,244		$	4,836		$	61,234
Ending balance: individually evaluated for impaired	$	9,069		$	2,960		$	93		$	1,114		$	0		$	0		$	13,236
Ending balance: collectively evaluated for impaired		9,131			3,796			8,144			17,847			4,244			4,836			47,998
Loans:
Ending balance		996,739			76,564			1,137,059			1,267,432			565,849						4,043,643
Ending balance: individually evaluated for impaired		37,639			14,667			2,606			39,832			0						94,744
Ending balance: collectively evaluated for impaired		959,100			61,897			1,134,453			1,227,600			565,849						3,948,899

	2010
	Commercial, financial, agricultural and other			Real estate construction			Residential real estate			Commercial real estate			Loans to individuals			Unallocated		Total
	(dollars in thousands)
Allowance for credit losses:
Beginning Balance	$	31,369		$	18,224		$	5,847		$	17,526		$	4,731		$	3,942	$	81,639
Charge-offs		(22,293	)		(41,483	)		(5,226	)		(2,466	)		(3,841	)		0		(75,309	)
Recoveries		2,409			0			252			163			523			0		3,347
Provision		10,215			41,261			4,581			1,690			2,802			1,003		61,552
Ending Balance	$	21,700		$	18,002		$	5,454		$	16,913		$	4,215		$	4,945	$	71,229
Ending balance: individually evaluated for impaired	$	6,709		$	11,855		$	56		$	5,287		$	0		$	0	$	23,907
Ending balance: collectively evaluated for impaired		14,991			6,147			5,398			11,626			4,215			4,945		47,322
Loans:
Ending balance		913,814			261,482			1,127,273			1,354,074			561,440					4,218,083
Ending balance: individually evaluated for impaired		25,694			44,485			832			42,863			0					113,874
Ending balance: collectively evaluated for impaired		888,120			216,997			1,126,441			1,311,211			561,440					4,104,209

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Statement of Accounting Policies

12 Months Ended

Dec. 31, 2012

Statement of Accounting Policies

Note 1—Statement of Accounting Policies

General

The following summary of accounting and reporting policies is presented to aid the reader in obtaining a better understanding of the financial statements and related financial data of First Commonwealth Financial Corporation and its subsidiaries (“First Commonwealth”) contained in this report.

The financial information is presented in accordance with generally accepted accounting principles and general practice for financial institutions in the United States of America. In preparing financial statements, management is required to make estimates and assumptions that affect the reported amount of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements. In addition, these estimates and assumptions affect revenues and expenses in the financial statements and as such, actual results could differ from those estimates.

Through its subsidiaries, which include one commercial bank, an insurance agency and a financial advisor, First Commonwealth provides a full range of loan, deposit, trust, insurance and personal financial planning services primarily to individuals and small to middle market businesses in fifteen counties in central and western Pennsylvania. First Commonwealth determined it has one business segment.

First Commonwealth is subject to regulations of certain state and federal agencies. These regulatory agencies periodically examine First Commonwealth for adherence to laws and regulations.

Basis of Presentation

The accompanying Consolidated Financial Statements include the accounts of First Commonwealth previously defined above. All material intercompany transactions have been eliminated in consolidation. Certain reclassifications have been made in the Consolidated Financial Statements for 2010 to conform to the classifications presented for 2012 and 2011.

Equity investments of less than a majority but at least 20% ownership are accounted for by the equity method and classified as “Other assets.” Earnings on these investments are reflected in “Other income” on the Consolidated Statements of Income, as appropriate, in the period earned.

First Commonwealth’s variable interest entities (“VIEs”) are evaluated under the guidance included in ASU 2009-17. These VIEs include qualified affordable housing projects that First Commonwealth has invested in as part of its community reinvestment initiatives. We periodically assess whether or not our variable interests in these VIEs, based on qualitative analysis, provide us with a controlling interest in the VIE. The analysis includes an assessment of the characteristics of the VIE. We do not have a controlling financial interest in the VIE, which would require consolidation of the VIE, as we do not have the following characteristics: (1) the power to direct the activities that most significantly impact the VIE’s economic performance; and (2) the obligation to absorb losses or the right to receive benefits from the VIE that could potentially be significant to the VIE.

Securities

Debt securities that First Commonwealth has the positive intent and ability to hold to maturity are classified as securities held to maturity and are reported at amortized cost adjusted for amortization of premium and accretion of discount on a level yield basis. Debt and equity securities that are bought and held principally for the purpose of selling them in the near term are to be classified as trading securities and reported at fair value, with unrealized gains and losses included in earnings. Debt and equity securities not classified as either held-to-maturity securities or trading securities are classified as securities available for sale and are reported at fair value, with unrealized gains and losses that are not related to impairment excluded from earnings and reported as a component of other comprehensive income, which is included in shareholders’ equity, net of deferred taxes.

First Commonwealth has securities classified as either held to maturity or available for sale and does not engage in trading activities. 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 the equity securities.

First Commonwealth conducts a comprehensive review of the investment portfolio on a quarterly basis to determine whether other-than-temporary impairment has occurred. Issuer-specific securities whose market values have fallen below their book values are initially selected for more in-depth analysis based on the percentage decline in value and duration of the decline. Issuer-specific securities include obligations of U.S. Government agencies and sponsored enterprises, single issue trust preferred securities, corporate debentures and obligations of states and political subdivisions. Further analysis of these securities includes a review of research reports, analysts’ recommendations, credit rating changes, news stories, annual reports, impact of interest rate changes and any other relevant information pertaining to the affected security. Pooled trust preferred collateralized debt obligations are measured by evaluating all relevant credit and structural aspects, determining appropriate performance assumptions and performing a discounted cash flow analysis. This evaluation includes detailed credit, performance and structural evaluations for each piece of collateral. Other factors in the pooled trust preferred collateralized debt obligations valuation include terms of the structure, the cash flow waterfall (for both interest and principal), the over collateralization and interest coverage tests and events of default/liquidation. Based on this review, a determination is made on a case by case basis as to a potential impairment. Declines in the fair value of individual securities below their cost that are not expected to be recovered will result in write-downs of the individual securities to their fair value. The related write-downs are included in earnings as impairment losses.

Loans

Loans are carried at the principal amount outstanding. Unearned income on installment loans and leases is taken into income on a declining basis, which results in an approximate level rate of return over the life of the loan or the lease. Interest is accrued as earned. Loans held for sale are carried at the lower of cost or fair value determined on an individual basis.

First Commonwealth considers a loan to be past due and still accruing interest when payment of interest or principal is contractually past due but the loan is both well secured and in the process of collection. For installment, mortgage, term and other loans with amortizing payments that are scheduled monthly, 90 days past due is reached when four monthly payments are due and unpaid. For demand, time and other multi-payment obligations with payments scheduled other than monthly, delinquency status is calculated using number of days instead of number of payments. Revolving credit loans, including personal credit lines and home equity lines, are considered to be 90 days past due when the borrower has not made the minimum payment for four monthly cycles.

A loan is placed in nonaccrual status when, based on current information and events, it is probable that First Commonwealth will be unable to fully collect principal or interest due according to the contractual terms of the loan. A loan is also placed in nonaccrual status when, based on regulatory definitions, the loan is maintained on a “cash basis” due to the weakened financial condition of the borrower. When a determination is made to place a loan in nonaccrual status, all accrued and unpaid interest for the current year is reversed against interest income and uncollected interest for previous years is charged against the allowance for credit losses. Nonaccrual loans are restored to accrual status when, based on a sustained period of repayment by the borrower in accordance with the contractual terms of the loan, First Commonwealth expects repayment of the remaining contractual principal and interest or when the loan otherwise becomes well-secured and in the process of collection.

First Commonwealth considers a loan to be a troubled debt restructured loan when, for economic or legal reasons related to the debtor’s financial difficulties, a concession is granted to the debtor that would not otherwise be considered.

A loan is considered to be impaired when, based on current information and events, it is probable that First Commonwealth will be unable to collect principal or interest that is due in accordance with contractual terms of the loan. Impaired loans include nonaccrual loans and troubled debt restructured loans. Loan impairment is measured based on the present value of expected cash flows discounted at the loan’s effective interest rate or, as a practical expedient, at the loan’s observable market price or the fair value of the collateral if the loan is collateral dependent.

For loans other than those that First Commonwealth expects repayment through liquidation of the collateral, when the remaining recorded investment in the impaired loan is less than or equal to the present value of the expected cash flows, income is applied as a reduction to loan principal rather than interest income.

Loans deemed uncollectible are charged off through the allowance for credit losses. Factors considered in assessing ultimate collectibility include past due status, financial condition of the borrower, collateral values, and debt covenants including secondary sources of repayment by guarantors. Payments received on previously charged off loans are recorded as recoveries in the allowance for credit losses.

Loan Fees

Loan origination and commitment fees, net of associated direct costs, are deferred and the net amount is amortized as an adjustment to the related loan yield on the interest method, generally over the contractual life of the related loans or commitments.

Other Real Estate Owned

Real estate, other than bank premises, is recorded at the lower of cost or fair value less estimated selling costs at the time of acquisition. Fair value is determined based on an independent appraisal. Expenses related to holding the property and rental income earned on the property are generally reflected in earnings in the current period. Depreciation is not recorded on the other real estate owned properties.

Allowance for Credit Losses

First Commonwealth maintains an allowance for credit losses at a level deemed sufficient to absorb losses that are inherent in the loan portfolio. First Commonwealth’s management determines and reviews with the Board of Directors 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 problem loans, delinquency and loss experience trends, and other relevant factors, all of which may be susceptible to significant changes. While allocations are made to specific loans and pools of loans, the total allowance is available for all credit losses.

The following describes the major loan classifications used in the allowance for credit losses calculation. Other Assets Especially Mentioned (“OAEM”) loans have potential weaknesses that deserve management’s close attention. The potential weaknesses may result in deterioration of the repayment prospects or weaken the Bank’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. Loans classified as OAEM constitute an undue and unwarranted credit risk, but not to the point of being classified as a substandard risk. Substandard loans are those with a 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 First Commonwealth may also be classified as substandard. Doubtful loans have 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. Although the probability of loss is extremely high for doubtful loans, the classification of loss is deferred until pending factors, which might improve the loan, have been determined. Loans rated as doubtful, in whole or in part, are placed in nonaccrual status.

First Commonwealth consistently applies the following comprehensive methodology and procedure for determining the allowance for credit losses.

Criticized loans on the watch list, which include OAEM, substandard, doubtful, and impaired, are analyzed to determine the level of probable loss in the credits under current circumstances. The probable loss that is established for these classified loans is based on careful analysis of the probability the loan will default based on the loan’s performance, the related collateral value, cash flow considerations and the financial capability of any guarantor. Watch list loans are managed and monitored by assigned account officers within the special assets area of First Commonwealth in conjunction with supervision by senior management. A reserve is established for watch list loans that are classified.

All impaired credits in excess of $100 thousand are individually reviewed quarterly. A specific reserve is established for impaired loans that is equal to the total amount of probable unconfirmed losses for the impaired loans that are reviewed. Based on this reserve as a percentage of reviewed loan balances, a reserve is also established for the impaired loan balances that are not individually reviewed.

The allowance uses historical charge-off trends to estimate probable unconfirmed losses based on charge-off history for the greater of the eight most recent quarters or the twenty most recent quarters. The loss emergence periods, which are the average time period from when a loan becomes delinquent until it is charged off, are calculated for each loan type and applied to the historical loss percentages. Adjusted historical loss experience percentages are applied to non-classified loans from the watch list, as well as all other loans not on the watch list, to obtain the portion of the allowance for credit losses which is based on historical trends. Before applying the adjusted historical loss experience percentages, loan balances are reduced by the portion of the loan balances which are subject to guarantee by a government agency.

Historical delinquency trends are also used when estimating probable losses in the loan portfolio. Each loan category’s most recent four quarter average delinquency percentage is compared to its twenty quarter average. The twenty quarter average delinquency level is used in determining probable losses in the portfolio, unless the four quarter average exceeds the twenty quarter average. In that case, the four quarter average delinquency rate is more appropriate as it indicates there is currently a higher level of risk in the portfolio compared to historical levels. A portion of the allowance is obtained by applying the appropriate average delinquency percentage to non-classified loans from the watch list, as well as all other loans not on the watch list.

An additional allowance is made by management based on a qualitative analysis of certain factors related to portfolio risks and economic conditions. Factors considered by management include employment trends, macroeconomic trends, commercial real estate trends and the overall lending environment. Portfolio risks include unusual changes or recent trends in specific portfolios such as unexpected changes in the trends or levels of delinquency. No matter how detailed an analysis of potential credit losses is performed, these estimates are not precise. Management must make estimates using assumptions and information that is often subjective and changes rapidly.

Allowance for Off-Balance Sheet Credit Exposures

First Commonwealth maintains an allowance for off-balance sheet credit exposure at a level deemed sufficient to absorb losses that are inherent to off-balance sheet credit risk. Management determines the adequacy of the allowance on a quarterly basis charging the provision 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. The Company’s methodology for assessing the appropriateness of the allowance for off-balance sheet credit exposure consists of analysis of historical usage trends as well as loss history and probability of default rates related to the off-balance sheet category. The calculation begins with historical usage trends related to lines of credit as well as letters of credit and then utilizes those figures to determine the probable usage of available lines. These values are then adjusted by a determined probability of default as well as a loss given default. This amount is adjusted quarterly and reported as part of other operating expenses on the Consolidated Statements of Income.

Bank Owned Life Insurance

First Commonwealth purchased insurance on the lives of certain groups of employees. The policies accumulate asset values to meet future liabilities including the payment of employee benefits such as health care. Increases in the cash surrender value are recorded in the Consolidated Statements of Income. Under some of these policies, the beneficiaries receive a portion of the death benefit. The net present value of the future death benefits scheduled to be paid to the beneficiaries was $3.8 million and $3.6 million as of December 31, 2012 and 2011, respectively, and is reflected in “Other Liabilities” on the Consolidated Statements of Financial Condition.

Premises and Equipment

Premises and equipment are carried at cost less accumulated depreciation on First Commonwealth’s Consolidated Statements of Financial Condition. Depreciation is computed on the straight-line and accelerated methods over the estimated useful life of the asset. A straight-line depreciation method was used for substantially all furniture and equipment. The straight-line depreciation method was used for buildings and improvements. Charges for maintenance and repairs are expensed as incurred. Leasehold improvements are expensed over the term of the lease or the estimated useful life of the improvement, whichever is shorter.

When developing software, First Commonwealth expenses costs that are incurred during the preliminary project stage and capitalizes certain costs that are incurred during the application development stage. Once software is in operation, maintenance costs are expensed over the maintenance period while upgrades that result in additional functionality or enhancements are capitalized. Training and data conversion costs are expensed as incurred. Capitalized software development costs and purchased software are amortized on a straight-line basis over a period not to exceed seven years, except for one software license that is being amortized over ten years.

Goodwill

Intangible assets resulting from acquisitions under the purchase method of accounting consist of goodwill and other intangible assets (see “Other Intangible Assets” section below). Goodwill is not amortized and is subject to at least annual assessments for impairment by applying a fair value based test. First Commonwealth reviews goodwill annually and again at any quarter-end if a material event occurs during the quarter that may affect goodwill. This review evaluates potential impairment by determining if our fair value has fallen below carrying value.

Other Intangible Assets

Other intangible assets consist of core deposits obtained through acquisitions and are amortized over their estimated lives using the present value of the benefit of the core deposits and straight-line methods of amortization. Core deposit intangibles are evaluated for impairment on an annual basis and when events or changes in circumstances indicate that the carrying amount may not be recoverable.

Accounting for the Impairment of Long-Lived Assets

First Commonwealth reviews long-lived assets, such as premises and equipment and intangibles for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. These changes in circumstances may include a significant decrease in the market value of an asset or the extent or manner in which an asset is used. If there is an indication that the carrying amount of an asset may not be recoverable, future undiscounted cash flows expected to result from the use of the asset are estimated. If the sum of the expected cash flows is less than the carrying value of the asset, a loss is recognized for the difference between the carrying value and fair value of the asset. Long-lived assets classified as held for sale are measured at the lower of their carrying amount or fair value less cost to sell. Depreciation or amortization is discontinued on long-lived assets classified as held for sale.

Income Taxes

First Commonwealth records taxes in accordance with the asset and liability method of FASB ASC Topic 740, “Income Taxes,” whereby deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amount of existing assets and liabilities and their respective tax bases given the provisions of the enacted tax laws. Deferred tax assets are reduced, if necessary, by the amount of such benefits that are more likely than not expected to be realized based upon available evidence. In accordance with FASB ASC Topic 740, interest or penalties incurred for taxes will be recorded as a component of noninterest expense.

Comprehensive Income Disclosures

“Other Comprehensive Income” (comprehensive income, excluding net income) includes the after tax effect of changes in unrealized holding gains and losses on available-for-sale securities and changes in the funded status of defined benefit postretirement plans. Comprehensive income is reported in the accompanying Consolidated Statements of Comprehensive Income, net of tax.

Cash and Cash Equivalents

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.

Employee Stock Ownership Plan

Accounting treatment for First Commonwealth’s Employee Stock Ownership Plan (“ESOP”) described in Note 24 “Unearned ESOP Shares” follows FASB ASC Topic 718, “Compensation—Stock Compensation” for ESOP shares acquired after December 31, 1992 (“new shares”). First Commonwealth’s ESOP borrowed funds are guaranteed by First Commonwealth. The ESOP shares purchased subject to the debt guaranteed by First Commonwealth are recorded as a reduction of common shareholders’ equity by recording unearned ESOP shares. Shares are committed to be released to the ESOP Trust for allocation to plan participants through loan payments. As the shares are committed to be released, the unearned ESOP shares account is credited for the average cost of the shares collateralizing the ESOP borrowed funds. Compensation cost is recognized for these shares in accordance with the provisions of FASB ASC Topic 718 and is based upon the fair market value of the shares that are committed to be released. Additional paid-in capital is charged or credited for the difference between the fair value of the shares committed to be released and the cost of those shares to the ESOP.

Dividends on unallocated ESOP shares are used for debt service and are reported as a reduction of debt and accrued interest payable. Dividends on allocated ESOP shares are charged to retained earnings and allocated or paid to the plan participants. The average number of common shares outstanding used in calculating earnings per share excludes all unallocated ESOP shares.

Derivatives and Hedging Activities

First Commonwealth accounts for derivative instruments and hedging activities in accordance with FASB ASC Topic 815, “Derivatives and Hedging.” All derivatives are evaluated at inception as to whether or not they are hedging or non-hedging activities, and appropriate documentation is maintained to support the final determination. First Commonwealth recognizes all derivatives as either assets or liabilities on the Statements of Financial Condition and measures those instruments at fair value. For derivatives designated as fair value hedges, changes in the fair value of the derivative and the hedged item related to the hedged risk are recognized in earnings. Any hedge ineffectiveness would be recognized in the income statement line item pertaining to the hedged item.

When First Commonwealth purchases a portion of a commercial loan that has an existing interest rate swap, it enters a Risk Participation Agreement with the counterparty and assumes the credit risk of the loan customer related to the swap. Any fee paid to First Commonwealth as a result of the risk participation agreement is offset by credit risk of the counterparties and is recognized in the income statement. Credit risk on the risk participation agreements is determined after considering the risk rating, probability of default and loss of given default of the counterparties.

Management periodically reviews contracts from various functional areas of First Commonwealth to identify potential derivatives embedded within selected contracts. As of December 31, 2012, First Commonwealth has interest derivative positions that are not designated as hedging instruments. See Note 7 “Derivatives” for a description of these instruments.

Earnings Per Common Share

Basic earnings per share excludes dilution and is computed by dividing income available to common shareholders by the weighted-average number of common shares outstanding for the period less unallocated ESOP shares.

Diluted earnings per share reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock or resulted in the issuance of common stock that then shared in the earnings of the entity. For all periods presented, the dilutive effect on average shares outstanding is the result of compensatory stock options outstanding.

Fair Value Measurements

In accordance with FASB ASC Topic 820, “Fair Value Measurements and Disclosures,” First Commonwealth groups financial assets and financial liabilities measured at fair value in three levels, based on the markets in which the assets and liabilities are traded and the reliability of the assumptions 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. 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 securities include U.S. Government securities issued by Agencies and Sponsored Enterprises, Obligations of States and Political Subdivisions, certain corporate securities, FHLB stock, interest rate derivatives that include interest rate swaps, risk participation agreements and foreign currency contracts, certain other real estate owned and certain impaired loans.

• 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 evaluation 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 select Obligations of States and Political Subdivisions, corporate securities, pooled trust preferred collateralized debt obligations, nonmarketable equity investments certain other real estate owned, certain impaired loans and loans held for sale.

In general, fair values of financial instruments are based upon quoted market prices, where available. If such quoted market prices are not available, fair value is based upon pricing models that primarily use, as inputs, observable market-based parameters. Valuation adjustments may be made to ensure that financial instruments are recorded at fair value. These adjustments may include amounts to reflect counterparty credit quality and our creditworthiness, among other things, as well as unobservable parameters. Any such valuation adjustments are applied consistently over time. See Note 21 “Fair Values of Assets and Liabilities” for additional information.

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Contingent Liabilities - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 Accountsholder Age
Commitments And Contingent Liabilities [Line Items]
Minimum interest rate	8.00%
Number of account holders of specified average age	237
Market Rate Savings	$ 11.5
Specified average age of account holders	64
Breach of contract [Member]
Commitments And Contingent Liabilities [Line Items]
Minimum interest rate	3.50%

XML

Fair Values of Assets and Liabilities - Schedule of Assets Measured on Nonrecurring Basis (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	$ 1,216,011	$ 1,212,048
Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	89,776	100,132
Other real estate owned	12,228	31,670
Total Assets	102,004	131,802
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	555	440
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	1,190,663	1,173,796
Level 2 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	82,949	73,783
Other real estate owned	11,981	31,232
Total Assets	94,930	105,015
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	24,793	37,812
Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	6,827	26,349
Other real estate owned	247	438
Total Assets	7,074	26,787
Total Gains (Losses) [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	(13,793)	(24,636)
Other real estate owned	(3,772)	(8,643)
Total Assets	$ (17,565)	$ (33,279)

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Regulatory Restrictions and Capital Adequacy (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Capital Amount and Ratio Considered to be Capitalized

As of December 31, 2012, First Commonwealth Bank was considered well capitalized under the regulatory framework for prompt corrective action. To be considered well capitalized, the bank must maintain minimum Total risk-based capital, Tier I risk-based capital and Tier I leverage ratios as set forth in the table below:

	Actual					Regulatory Minumum					Well Capitalized Regulatory Guidelines
	Capital Amount		Ratio			Capital Amount		Ratio			Capital Amount		Ratio
	(dollars in thousands)
As of December 31, 2012
Total Capital to Risk Weighted Assets
First Commonwealth Financial Corporation	$	708,583		14.53	%	$	390,173		8.00	%		N/A		N/A
First Commonwealth Bank		669,131		13.75			389,421		8.00		$	486,776		10.00	%
Teir I Capital to Risk Weighted Assets
First Commonwealth Financial Corporation	$	647,460		13.28	%	$	195,087		4.00	%		N/A		N/A
First Commonwealth Bank		608,176		12.49			194,710		4.00		$	292,066		6.00	%
Tier I Capital to Average Assets
First Commonwealth Financial Corporation	$	647,460		11.24	%	$	230,322		4.00	%		N/A		N/A
First Commonwealth Bank		608,176		10.64			228,544		4.00		$	285,680		5.00	%
As of December 31, 2011
Total Capital to Risk Weighted Assets
First Commonwealth Financial Corporation	$	720,307		14.71	%	$	391,709		8.00	%		N/A		N/A
First Commonwealth Bank		689,333		14.13			390,172		8.00		$	487,715		10.00	%
Teir I Capital to Risk Weighted Assets
First Commonwealth Financial Corporation	$	659,083		13.46	%	$	195,855		4.00	%		N/A		N/A
First Commonwealth Bank		628,346		12.88			195,086		4.00		$	292,629		6.00	%
Tier I Capital to Average Assets
First Commonwealth Financial Corporation	$	659,083		11.91	%	$	221,444		4.00	%		N/A		N/A
First Commonwealth Bank		628,346		11.44			219,627		4.00		$	274,534		5.00	%

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Retirement Plans - Schedule of Weighted-Average Assumptions Used to Determine Net Periodic Cost (Detail) (Net Periodic Cost [Member])	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net Periodic Cost [Member]
Discount rate	4.22%	4.71%	4.71%
Health care cost trend: Initial	8.00%	9.00%	10.00%
Health care cost trend: Ultimate	4.75%	4.75%	4.75%
Year ultimate reached	2016	2016	2016
Corridor	10.00%	10.00%	10.00%
Recognition period for gains and losses	12 years	12 years 8 months 12 days	12 years 8 months 12 days

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Incentive Compensation Plan - Unvested Target Award (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Nonvested Restricted Stock Units Activity [Line Items]
Outstanding, beginning of the year, Shares	50,060	34,338	20,103
Granted, Shares	224,000	35,000	30,120
Vested, Shares	17,060	19,278	15,885
Forfeited, Shares	(4,000)	0	0
Outstanding, end of the year, Shares	253,000	50,060	34,338
Outstanding, beginning of the year, Weighted Average Grant Date Fair Value	$ 6.00	$ 6.52	$ 11.53
Granted, Weighted Average Grant Date Fair Value	$ 5.65	$ 6.13	$ 5.70
Vested, Weighted Average Grant Date Fair Value	$ 5.73	$ 7.16	$ 11.32
Forfeited, Weighted Average Grant Date Fair Value	$ 5.96	$ 0.00	$ 0.00
Outstanding, end of the year, Weighted Average Grant Date Fair Value	$ 5.71	$ 6.00	$ 6.52
Restricted Stock [Member]
Nonvested Restricted Stock Units Activity [Line Items]
Outstanding, beginning of the year, Shares	93,333	0
Granted, Shares	74,000	126,000
Vested, Shares	0	0
Forfeited, Shares	(16,000)	(32,667)
Outstanding, end of the year, Shares	151,333	93,333
Outstanding, beginning of the year, Weighted Average Grant Date Fair Value	$ 7.03	$ 0.00
Granted, Weighted Average Grant Date Fair Value	$ 5.96	$ 7.03
Vested, Weighted Average Grant Date Fair Value	$ 0.00	$ 0.00
Forfeited, Weighted Average Grant Date Fair Value	$ 6.63	$ 7.03
Outstanding, end of the year, Weighted Average Grant Date Fair Value	$ 6.55	$ 7.03

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Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2012

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 computation for the years ending December 31:

	2012			2011			2010
Weighted average common shares issued		105,563,455			105,550,310			94,388,523
Average treasury shares		(1,456,953	)		(657,633	)		(828,523	)
Averaged unearned ESOP shares		(38,393	)		(165,010	)		(319,726	)
Average unearned nonvested shares		(182,713	)		(27,440	)		(43,049	)
Weighted average common shares and common stock equivalents used to calculate basic earnings per share		103,885,396			104,700,227			93,197,225
Additional common stock equivalents (nonvested stock) used to calculate diluted earnings per share		171			119			0
Additional common stock equivalents (stock options) used to calculate diluted earnings per share		96			47			2,548
Weighted average common shares and common stock equivalents used to calculate diluted earnings per share		103,885,663			104,700,393			93,199,773

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 years ended December 31, because to do so would have been anti-dilutive.

	2012						2011						2010
			Price Range						Price Range						Price Range
	Shares		From		To		Shares		From		To		Shares		From		To
Stock Options		268,630	$	6.90	$	14.55		496,863	$	6.36	$	14.55		610,594	$	6.36	$	14.55
Restricted Stock		163,509		5.26		6.82		22,502		5.70		6.82		17,370		5.70		12.35

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Fair Values of Assets and Liabilities

12 Months Ended

Dec. 31, 2012

Fair Values of Assets and Liabilities

Note 21—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 Consolidated Statements of Financial Condition or in the “Other assets” category of the 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, certain corporate securities, FHLB stock, interest rate derivatives that include 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 is comprised of FHLB stock whose estimated fair value is based on its par value. Additional information on FHLB stock is provided in Note 10 “Other investments.”

Interest rate derivatives are reported at 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. First Commonwealth values its interest rate swap 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 7 “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 estimated 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 2012, we have not realized any losses due to a counterparties inability to pay any net uncollateralized position.

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, loans held for sale, certain interest rate derivatives, certain impaired loans and certain other real estate.

Our pooled trust preferred collateralized debt obligations are collateralized by the trust preferred securities of individual banks, thrifts and bank holding companies in the U.S. There has been little or no active trading in these securities since 2009; therefore it was more appropriate to determine estimated fair value using a discounted cash flow analysis. Detail on the process for determining appropriate cash flows for this analysis is provided in Note 11 “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 estimated 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 the specialized third party and by confirming changes in the underlying collateral to the trustee and underwriter 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.

Loans held for sale are carried at the lower of cost or fair value with the fair value being the expected sales price of the loan. The estimated fair value of the loans held for sale was determined by calculating the discounted expected future cash flows of the loan. The discount rate applied to the future cash flows was determined based on a risk based expected return and capital structure of potential buyers. If a sales agreement has been executed, the fair value is equal to the sales price.

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 2012, we have not realized any losses due to a counterparty’s inability to pay any net uncollateralized position. However, as the result of deterioration in the counterparties (loan customers) credit quality for certain interest rate derivatives, future amounts previously believed to be collectible under the terms of the interest rate derivative have now been deemed to be uncollectible.

In accordance with ASU 2011-04, 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	$	23,373		Discounted Cash Flow	Probability of default	0% - 100% (21.95%)
					Prepayment rates	0% - 100% (12.20%)
					Discount rates	6.50% - 20.00%(a)
Other Investments		1,420		Par Value	N/A	N/A
Interest Rate Swap		0		Option model	Counterparty credit risk	9.66% - 11.95%(b)
Impaired Loans		751	(c)	Reserve study	Discount rate	10.00%
					Gas per MCF	$2.92 - $5.48(d)
					Oil per BBL/d	$84.64 - $96.86(d)
					NGL per gallon	$1.42(d)
Other Real Estate Owned		247		Internal Valuation	N/A	N/A(a)

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

(b) represents the range of the credit spread curve used in valuation.

(c) 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.

(d) unobservable inputs are defined as follows: MCF—million cubic feet; BBL/d—barrels per day; NGL—natural gas liquid.

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 higher fair value measurement. Other unobservable inputs in the fair value measurement of impaired loans relate to gas, oil and natural gas prices and increases in these rates 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 significant unobservable input used in the fair value measurement of interest rate swaps classified as Level 3 is counterparty credit risk and the resulting range of the credit spread curve used in the valuation. Higher credit risk would result in an increased credit spread, which would reduce the fair value of the interest rate swap.

The tables below present the balances of assets and liabilities measured at fair value on a recurring basis at December 31:

	2012
	Level 1		Level 2		Level 3		Total
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities—Residential	$	0	$	31,664	$	0	$	31,664
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities—Residential		0		864,401		0		864,401
Mortgage-Backed Securities—Commercial		0		149		0		149
Other Government-Sponsored Enterprises		0		242,664		0		242,664
Obligations of States and Political Subdivisions		0		86		0		86
Corporate Securities		0		6,991		0		6,991
Pooled Trust Preferred Collateralized Debt Obligations		0		0		23,373		23,373
Total Debt Securities		0		1,145,955		23,373		1,169,328
Equities		555		0		1,420		1,975
Total Securities Available for Sale		555		1,145,955		24,793		1,171,303
Other Investments		0		28,228		0		28,228
Loans Held for Sale		0		0		0		0
Other Assets (a)		0		16,480		0		16,480
Total Assets	$	555	$	1,190,663	$	24,793	$	1,216,011
Other Liabilities (a)	$	0	$	18,726	$	0	$	18,726
Total Liabilities	$	0	$	18,726	$	0	$	18,726

(a) Non-hedging interest rate derivatives

	2011
	Level 1		Level 2		Level 3		Total
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities—Residential	$	0	$	36,194	$	0	$	36,194
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities—Residential		0		801,031		0		801,031
Mortgage-Backed Securities—Commercial		0		193		0		193
Other Government-Sponsored Enterprises		0		268,648		0		268,648
Obligations of States and Political Subdivisions		0		459		0		459
Corporate Securities		0		11,411		0		11,411
Pooled Trust Preferred Collateralized Debt Obligations		0		0		22,980		22,980
Total Debt Securities		0		1,117,936		22,980		1,140,916
Equities		440		0		1,420		1,860
Total Securities Available for Sale		440		1,117,936		24,400		1,142,776
Other Investments		0		39,796		0		39,796
Loans Held for Sale		0		0		13,412		13,412
Other Assets (a)		0		16,064		0		16,064
Total Assets	$	440	$	1,173,796	$	37,812	$	1,212,048
Other Liabilities (a)	$	0	$	18,986	$	0	$	18,986
Total Liabilities	$	0	$	18,986	$	0	$	18,986

(a) Non-hedging interest rate derivatives

The changes in Level 3 assets and liabilities measured at fair value on a recurring basis are summarized as follows at for the year ended December 31, 2012:

	Pooled Trust Preferred Collateralized Debt Obligations			Equities		Loans Held for Sale			Other Assets			Total
	(dollars in thousands)
Balance, beginning of year	$	22,980		$	1,420	$	13,412		$	0		$	37,812
Total gains or losses
Included in earnings		0			0		2,870			(461	)		2,409
Included in other comprehensive income		5,490			0		0			0			5,490
Purchases, issuances, sales, and settlements
Purchases		0			0		0			0			0
Issuances		0			0		0			0			0
Sales		0			0		(15,981	)		0			(15,981	)
Settlements		(5,097	)		0		(301	)		0			(5,398	)
Transfers from Level 3		0			0		0			0			0
Transfers into Level 3		0			0		0			461			461
Balance, end of year	$	23,373		$	1,420	$	0		$	0		$	24,793

There are no gains or losses included in earnings for the period that are attributable to the change in realized gains (losses) relating to assets held at December 31, 2012.

During the year ended December 31, 2012, there were no transfers between fair value Levels 1 and 2. However, $0.5 million of interest rate swaps were transferred into Level 3 from Level 2 due to deterioration of the counterparty’s credit risk. Because the credit quality of the underlying counterparty declined below investment grade, the swaps were valued utilizing more than interest rate yield curves.

The changes in Level 3 assets and liabilities measured at fair value on a recurring basis are summarized as follows for the year ended December 31, 2011:

	Obligations of States and Political Subdivisions			Corporate Securities			Pooled Trust Preferred Collateralized Debt Obligations			Equities			Loans Held for Sale		Other Assets			Total
	(dollars in thousands)
Balance, beginning of year	$	343		$	21,376		$	26,352		$	1,570		$	0	$	0		$	49,641
Total gains or losses
Included in earnings		4			387			0			(150	)		0		(4,449	)		(4,208	)
Included in other comprehensive income		(20	)		(98	)		1,284			0			0		0			1,166
Purchases, issuances, sales, and settlements
Purchases		0			0			0			0			0		0			0
Issuances		0			0			0			0			0		0			0
Sales		(327	)		(6,700	)		0			0			0		0			(7,027	)
Settlements		0			(3,000	)		(4,656	)		0			0		(71	)		(7,727	)
Transfers from Level 3		0			(11,965	)		0			0			0		0			(11,965	)
Transfers into Level 3		0			0			0			0			13,412		4,520			17,932
Balance, end of year	$	0		$	0		$	22,980		$	1,420		$	13,412	$	0		$	37,812

There are no gains or losses included in earnings for the period that are attributable to the change in realized gains (losses) relating to assets held at December 31, 2011.

During 2011, $12.0 million of corporate securities were transferred from Level 3 to Level 2. Corporate securities were transferred from Level 3 to Level 2 based on the increased frequency in the volumes of observable trades. Fair values on these securities at December 31, 2011 were determined based on market data, including trade and bid prices. Also, during 2011, $4.5 million of interest rate swaps were transferred into Level 3 from Level 2 due to deterioration of the counterparty’s credit risk and were terminated before December 31, 2011.

The tables below present the balances of assets measured at fair value on a nonrecurring basis at December 31 and total gains and losses realized on these assets during the year ended December 31:

	2012
	Level 1		Level 2		Level 3		Total		Total Gains (Losses)
	(dollars in thousands)
Impaired loans	$	0	$	82,949	$	6,827	$	89,776	$	(13,793	)
Other real estate owned		0		11,981		247		12,228		(3,772	)
Total Assets	$	0	$	94,930	$	7,074	$	102,004	$	(17,565	)

	2011
	Level 1		Level 2		Level 3		Total		Total Gains (Losses)
	(dollars in thousands)
Impaired loans	$	0	$	73,783	$	26,349	$	100,132	$	(24,636	)
Other real estate owned		0		31,232		438		31,670		(8,643	)
Total Assets	$	0	$	105,015	$	26,787	$	131,802	$	(33,279	)

Impaired loans over $0.1 million are individually reviewed to determine the amount of each loan considered to be at risk of noncollection. 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. 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.

The fair value for other real estate owned is determined by either an independent market based appraisal less estimated costs to sell or an executed sales agreement and is classified as level 2. Other real estate owned has a current carrying value of $11.3 million as of December 31, 2012 and consisted primarily of a manufacturing plant in northern Pennsylvania, residential real estate in eastern Pennsylvania and commercial real estate property in eastern 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 costs 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 this measurement is provided in Note 16 “Goodwill and Other Amortizing Intangible Assets.” There were no other assets or liabilities measured at fair value on a nonrecurring basis during 2012.

FASB ASC Topic 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 securities 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 held for sale: The fair value of loans held for sale are estimated utilizing a present value of future discounted cash flows of the loan utilizing a risk based expected return to discount the value unless a sales agreement has been executed, in which case the sales price would equal 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.”

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 estimated fair value for standby letters of credit was $0.2 million at December 31, 2012 and 2011. See Note 14 “Commitments and Letters of Credit,” for additional information.

Deposit liabilities: Management estimates the fair value of deposits based on a market valuation of similar deposits. 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 estimated incremental borrowing rate for similar types of borrowing arrangements.

The following table presents carrying amounts and estimated fair values of First Commonwealth’s financial instruments at December 31:

	2012
			Fair Value Measurements Using:
	Carrying Amount		Total		Level 1		Level 2		Level 3
	(dollars in thousands)
Financial assets
Cash and due from banks	$	98,724	$	98,724	$	98,724	$	0	$	0
Interest-bearing deposits		4,258		4,258		4,258		0		0
Securities available for sale		1,171,303		1,171,303		555		1,145,955		24,793
Other investments		28,228		28,228		0		28,228		0
Loans held for sale		0		0		0		0		0
Loans		4,204,704		4,245,114		0		82,949		4,162,165
Financial liabilities
Deposits		4,557,881		4,493,764		0		4,493,764		0
Short-term borrowings		356,227		356,221		0		356,221		0
Long-term debt		174,471		176,178		0		176,178		0
Subordinated debt		105,750		76,735		0		0		76,735

	2011
	Carrying Amount		Estimated Fair Value
	(dollars in thousands)
Financial assets
Cash and due from banks	$	74,967	$	74,967
Interest-bearing deposits		3,511		3,511
Securities available for sale		1,142,776		1,142,776
Other investments		39,796		39,796
Loans held for sale		13,412		13,412
Loans		4,043,643		4,113,525
Financial liabilities
Deposits		4,504,684		4,452,235
Short-term borrowings		312,777		312,777
Long-term debt		101,664		103,749
Subordinated debt		105,750		75,310

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Other Long-term Debt

12 Months Ended

Dec. 31, 2012

Other Long-term Debt

Note 20—Other Long-term Debt

Other long-term debt at December 31 follows:

	2012								2011
	Amount		Weighted Average Contractual Rate			Weighted Average Effective Rate			Amount		Weighted Average Contractual Rate			Weighted Average Effective Rate
	(dollars in thousands)
ESOP loan due:
2012									$	1,600		LIBOR + 1.00	%		LIBOR + 1.00	%
Borrowings from FHLB due:
2012										25,585		1.54	%		1.53
2013	$	30,085		2.32	%		2.32	%		30,085		2.32			2.32
2014		57,890		1.13			1.13			7,891		5.37			5.35
2015		79,970		0.82			0.82			29,970		1.37			1.37
2016		387		4.64			4.64			388		4.64			4.64
2017		405		4.64			4.64
Thereafter		5,734		4.66			4.66			6,145		4.66			4.66
Total	$	174,471							$	101,664

The weighted average contractual rate reflects the rate due to creditors. The weighted average effective rate of long-term debt in the schedule above includes the effect of purchase accounting valuation adjustments that were recorded in connection with prior business combinations.

An FHLB advance in the amount of $7.5 million is convertible on a quarterly basis at the FHLB’s option into floating rate debt indexed to 3 month LIBOR.

All of First Commonwealth’s Federal Home Loan Bank stock, along with an interest in mortgage loans and mortgage backed securities—residential has been pledged as collateral with the Federal Home Loan Bank of Pittsburgh.

Capital securities included in total long-term debt on the Consolidated Statements of Financial Condition are excluded from the above, but are described in Note 19 “Subordinated Debentures.”

Scheduled loan payments for other long-term debt are summarized below:

	2013		2014		2015		2016		2017		Thereafter		Total
	(dollars in thousands)
Long-term debt payments	$	29,968	$	57,852	$	79,970	$	387	$	405	$	5,734	$	174,316
Purchase valuation amortization		117		38		0		0		0		0		155
Total	$	30,085	$	57,890	$	79,970	$	387	$	405	$	5,734	$	174,471

The amounts on the purchase valuation amortization row in the table above include fair market adjustments from prior business combinations.

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Goodwill and Other Amortizing Intangible Assets - Summarized Other Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Goodwill And Other Intangibles [Line Items]
Gross Intangible Assets	$ 22,470	$ 22,470
Accumulated Amortization	(20,095)	(18,627)
Net Intangible Assets	$ 2,375	$ 3,843

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Fair Values of Assets and Liabilities (Tables)

12 Months Ended

Dec. 31, 2012

Quantitative Inputs and Assumptions Used in Level 3 Fair Value Measurements

In accordance with ASU 2011-04, 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	$	23,373		Discounted Cash Flow	Probability of default	0% - 100% (21.95%)
					Prepayment rates	0% - 100% (12.20%)
					Discount rates	6.50% - 20.00%(a)
Other Investments		1,420		Par Value	N/A	N/A
Interest Rate Swap		0		Option model	Counterparty credit risk	9.66% - 11.95%(b)
Impaired Loans		751	(c)	Reserve study	Discount rate	10.00%
					Gas per MCF	$2.92 - $5.48(d)
					Oil per BBL/d	$84.64 - $96.86(d)
					NGL per gallon	$1.42(d)
Other Real Estate Owned		247		Internal Valuation	N/A	N/A(a)

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

(b) represents the range of the credit spread curve used in valuation.

(c) 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.

(d) unobservable inputs are defined as follows: MCF—million cubic feet; BBL/d—barrels per day; NGL—natural gas liquid.

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 at December 31:

	2012
	Level 1		Level 2		Level 3		Total
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities—Residential	$	0	$	31,664	$	0	$	31,664
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities—Residential		0		864,401		0		864,401
Mortgage-Backed Securities—Commercial		0		149		0		149
Other Government-Sponsored Enterprises		0		242,664		0		242,664
Obligations of States and Political Subdivisions		0		86		0		86
Corporate Securities		0		6,991		0		6,991
Pooled Trust Preferred Collateralized Debt Obligations		0		0		23,373		23,373
Total Debt Securities		0		1,145,955		23,373		1,169,328
Equities		555		0		1,420		1,975
Total Securities Available for Sale		555		1,145,955		24,793		1,171,303
Other Investments		0		28,228		0		28,228
Loans Held for Sale		0		0		0		0
Other Assets (a)		0		16,480		0		16,480
Total Assets	$	555	$	1,190,663	$	24,793	$	1,216,011
Other Liabilities (a)	$	0	$	18,726	$	0	$	18,726
Total Liabilities	$	0	$	18,726	$	0	$	18,726

(a) Non-hedging interest rate derivatives

	2011
	Level 1		Level 2		Level 3		Total
	(dollars in thousands)
Obligations of U.S. Government Agencies:
Mortgage-Backed Securities—Residential	$	0	$	36,194	$	0	$	36,194
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities—Residential		0		801,031		0		801,031
Mortgage-Backed Securities—Commercial		0		193		0		193
Other Government-Sponsored Enterprises		0		268,648		0		268,648
Obligations of States and Political Subdivisions		0		459		0		459
Corporate Securities		0		11,411		0		11,411
Pooled Trust Preferred Collateralized Debt Obligations		0		0		22,980		22,980
Total Debt Securities		0		1,117,936		22,980		1,140,916
Equities		440		0		1,420		1,860
Total Securities Available for Sale		440		1,117,936		24,400		1,142,776
Other Investments		0		39,796		0		39,796
Loans Held for Sale		0		0		13,412		13,412
Other Assets (a)		0		16,064		0		16,064
Total Assets	$	440	$	1,173,796	$	37,812	$	1,212,048
Other Liabilities (a)	$	0	$	18,986	$	0	$	18,986
Total Liabilities	$	0	$	18,986	$	0	$	18,986

(a) Non-hedging interest rate derivatives

Schedule of Changes in Level 3 Assets and Liabilities Measured at Fair Value on Recurring Basis

The changes in Level 3 assets and liabilities measured at fair value on a recurring basis are summarized as follows at for the year ended December 31, 2012:

	Pooled Trust Preferred Collateralized Debt Obligations			Equities		Loans Held for Sale			Other Assets			Total
	(dollars in thousands)
Balance, beginning of year	$	22,980		$	1,420	$	13,412		$	0		$	37,812
Total gains or losses
Included in earnings		0			0		2,870			(461	)		2,409
Included in other comprehensive income		5,490			0		0			0			5,490
Purchases, issuances, sales, and settlements
Purchases		0			0		0			0			0
Issuances		0			0		0			0			0
Sales		0			0		(15,981	)		0			(15,981	)
Settlements		(5,097	)		0		(301	)		0			(5,398	)
Transfers from Level 3		0			0		0			0			0
Transfers into Level 3		0			0		0			461			461
Balance, end of year	$	23,373		$	1,420	$	0		$	0		$	24,793

The changes in Level 3 assets and liabilities measured at fair value on a recurring basis are summarized as follows for the year ended December 31, 2011:

	Obligations of States and Political Subdivisions			Corporate Securities			Pooled Trust Preferred Collateralized Debt Obligations			Equities			Loans Held for Sale		Other Assets			Total
	(dollars in thousands)
Balance, beginning of year	$	343		$	21,376		$	26,352		$	1,570		$	0	$	0		$	49,641
Total gains or losses
Included in earnings		4			387			0			(150	)		0		(4,449	)		(4,208	)
Included in other comprehensive income		(20	)		(98	)		1,284			0			0		0			1,166
Purchases, issuances, sales, and settlements
Purchases		0			0			0			0			0		0			0
Issuances		0			0			0			0			0		0			0
Sales		(327	)		(6,700	)		0			0			0		0			(7,027	)
Settlements		0			(3,000	)		(4,656	)		0			0		(71	)		(7,727	)
Transfers from Level 3		0			(11,965	)		0			0			0		0			(11,965	)
Transfers into Level 3		0			0			0			0			13,412		4,520			17,932
Balance, end of year	$	0		$	0		$	22,980		$	1,420		$	13,412	$	0		$	37,812

Schedule of Assets Measured on Nonrecurring Basis

The tables below present the balances of assets measured at fair value on a nonrecurring basis at December 31 and total gains and losses realized on these assets during the year ended December 31:

	2012
	Level 1		Level 2		Level 3		Total		Total Gains (Losses)
	(dollars in thousands)
Impaired loans	$	0	$	82,949	$	6,827	$	89,776	$	(13,793	)
Other real estate owned		0		11,981		247		12,228		(3,772	)
Total Assets	$	0	$	94,930	$	7,074	$	102,004	$	(17,565	)

	2011
	Level 1		Level 2		Level 3		Total		Total Gains (Losses)
	(dollars in thousands)
Impaired loans	$	0	$	73,783	$	26,349	$	100,132	$	(24,636	)
Other real estate owned		0		31,232		438		31,670		(8,643	)
Total Assets	$	0	$	105,015	$	26,787	$	131,802	$	(33,279	)

Carrying Amounts and Fair Values of Financial Instruments

The following table presents carrying amounts and estimated fair values of First Commonwealth’s financial instruments at December 31:

	2012
			Fair Value Measurements Using:
	Carrying Amount		Total		Level 1		Level 2		Level 3
	(dollars in thousands)
Financial assets
Cash and due from banks	$	98,724	$	98,724	$	98,724	$	0	$	0
Interest-bearing deposits		4,258		4,258		4,258		0		0
Securities available for sale		1,171,303		1,171,303		555		1,145,955		24,793
Other investments		28,228		28,228		0		28,228		0
Loans held for sale		0		0		0		0		0
Loans		4,204,704		4,245,114		0		82,949		4,162,165
Financial liabilities
Deposits		4,557,881		4,493,764		0		4,493,764		0
Short-term borrowings		356,227		356,221		0		356,221		0
Long-term debt		174,471		176,178		0		176,178		0
Subordinated debt		105,750		76,735		0		0		76,735

	2011
	Carrying Amount		Estimated Fair Value
	(dollars in thousands)
Financial assets
Cash and due from banks	$	74,967	$	74,967
Interest-bearing deposits		3,511		3,511
Securities available for sale		1,142,776		1,142,776
Other investments		39,796		39,796
Loans held for sale		13,412		13,412
Loans		4,043,643		4,113,525
Financial liabilities
Deposits		4,504,684		4,452,235
Short-term borrowings		312,777		312,777
Long-term debt		101,664		103,749
Subordinated debt		105,750		75,310

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Derivatives (Tables)

12 Months Ended

Dec. 31, 2012

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 at December 31:

	2012			2011
	(dollars in thousands)
Credit value adjustment	$	(2,207	)	$	(2,963	)
Notional Amount:
Interest rate derivatives		223,448			187,368
Risk participation agreements		71,390			128,098
Sold credit protection on risk participation agreements		0			(22,147	)

Schedule of Change 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 Consolidated Statements of Income for the years ended December 31:

	2012		2011			2010
	(dollars in thousands)
Non-hedging interest rate derivatives:
Increase (decrease) in other income	$	755	$	(6,687	)	$	141

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Income Taxes

12 Months Ended

Dec. 31, 2012

Income Taxes

Note 22—Income Taxes

The income tax provision (benefit) for the years ended December 31 is as follows:

	2012		2011			2010
	(dollars in thousands)
Current tax provision for income exclusive of securities transactions:
Federal	$	12,035	$	651		$	3,794
State		72		161			59
Total current tax provision		12,107		812			3,853
Deferred tax provision (benefit)		2,551		(1,192	)		(3,614	)
Total tax provision (benefit)	$	14,658	$	(380	)	$	239

The statutory to effective tax rate reconciliation for the years ended December 31 is as follows:

	2012						2011						2010
	Amount			% of Pretax Income			Amount			% of Pretax Income			Amount			% of Pretax Income
	(dollars in thousands)
Tax at statutory rate	$	19,814			35	%	$	5,213			35	%	$	8,126			35	%
Decrease resulting from:
Income from bank owned life insurance		(2,048	)		(4	)		(1,959	)		(13	)		(1,866	)		(8	)
Tax-exempt interest income, net		(2,789	)		(5	)		(3,453	)		(23	)		(5,688	)		(25	)
Tax credits		(267	)		0			(270	)		(2	)		(304	)		(1	)
Other		(52	)		0			89			0			(29	)		0
Total tax provision (benefit)	$	14,658			26	%	$	(380	)		(3	)%	$	239			1	%

The total tax provision for financial reporting differs from the amount computed by applying the statutory federal income tax rate to income before taxes. First Commonwealth ordinarily generates 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. The consistent level of tax benefits that reduce First Commonwealth’s tax rate below the 35% statutory rate produced an annual effective tax rate of 26% for the year ended December 31, 2012. The relatively low level of annual pretax income produced a tax benefit for the year ended December 31, 2011.

The tax effects of temporary differences between the financial statement carrying amounts and the tax bases of assets and liabilities that represent significant portions of the deferred tax assets and liabilities at December 31 are presented below:

	2012			2011
	(dollars in thousands)
Deferred tax assets:
Allowance for credit losses	$	23,515		$	21,432
Postretirement benefits other than pensions		769			841
Alternative minimum tax credit carryforward		13,026			15,247
Net operating loss carryforward		0			1,626
Writedown of other real estate owned		3,647			2,876
Other tax credit carryforward		0			1,383
Deferred compensation		2,203			2,215
Swap credit risk		772			1,037
Accrued interest on nonaccrual loans		3,887			3,161
Other-than-temporary impairment of securities		15,233			15,764
Capitalization of OREO expenses		847			826
Depreciation of assets		952			0
Unfunded loan commitment allowance		836			536
Other		1,176			2,822
Total deferred tax assets		66,863			69,766
Deferred tax liabilities:
Basis difference in assets acquired		(808	)		(1,213	)
Loan origination fees and costs		(606	)		(392	)
Income from unconsolidated subsidiary		(575	)		(551	)
Unrealized gain on securities available for sale		(592	)		(898	)
Depreciation of assets		0			(242	)
Other		(150	)		(198	)
Total deferred tax liabilities		(2,731	)		(3,494	)
Net deferred tax asset	$	64,132		$	66,272

The net deferred tax asset of $64.1 million as of December 31, 2012 includes a $13.0 million alternative minimum tax credit carryforward with an indefinite life. There is also a $15.2 million deferred tax asset for other-than-temporary impairment of securities, of which $0.3 million are potential capital losses that can only be utilized if capital gains are realized.

Management assesses all available positive and negative evidence to estimate if sufficient future taxable income will be generated to utilize the existing deferred tax assets. In evaluating deferred tax assets, future taxable income of $170.6 million, forecasted over the next three years was considered. The amount of future taxable income used in management’s valuation is based upon management approved forecasts, evaluation of historical earnings levels, proven ability to raise capital to support growth or during times of economic stress and consideration of prudent and feasible potential tax strategies. If future events differ from our current forecasts, a valuation allowance may be required, which could have a material impact on our financial condition and results of operations. Based on our evaluation, including the consideration of the weighting of positive and negative evidence, as of December 31, 2012, management has determined that no valuation allowance is necessary for the deferred tax assets because it is more likely than not that these assets will be realized through future reversals of existing temporary differences and through future taxable income.

First Commonwealth adopted new authoritative accounting guidance issued under FASB ASC Topic 740-10, “Accounting for Uncertainty in Income Taxes” as of January 1, 2007, and had no material unrecognized tax benefits or accrued interest and penalties as of December 31, 2012. We do not expect the total amount of unrecognized tax benefits to significantly increase in the next twelve months and will record interest and penalties as a component of noninterest expense.

First Commonwealth is subject to routine audits of our tax returns by the Internal Revenue Service as well as all states in which we conduct business. Federal and state income tax years 2009 through 2011 are open for examination as of December 31, 2012.

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Retirement Plans

12 Months Ended

Dec. 31, 2012

Retirement Plans

Note 23—Retirement Plans

First Commonwealth has a savings plan pursuant to the provisions of section 401(k) of the Internal Revenue code. Under the terms of the plan, in 2012, each participant received an employer contribution in an amount equal to 3% of their compensation. In addition, each participating employee may contribute up to 80% of their compensation to the plan of which up to 4% is matched 50% by the employer’s contribution. The 401(k) plan expense was $2.6 million in 2012, $2.5 million in 2011, and $2.6 million in 2010.

First Commonwealth maintains a Supplemental Executive Retirement Plan (“SERP”) to provide deferred compensation for those employees whose total annual or annualized Plan compensation for a calendar year exceeded the maximum limit of compensation that can be recognized for tax-qualified retirement plans. The purpose of this Plan is to restore some of the benefits lost by eligible employees compared to other employees due to limits and restrictions incorporated into First Commonwealth’s 401(k) Plan and ESOP.

Participants in the SERP are eligible to defer (on a pre-tax basis) from 1% to 25% of their Plan compensation (compensation in excess of the tax-qualified plan limit). In 2009, First Commonwealth made a matching contribution to the Plan for each payroll up to the first 4% of their Plan compensation and also made a contribution to the Plan for each payroll equal to 3% of their Plan compensation. In addition, First Commonwealth made a contribution to the Plan at the end of the Plan Year on Plan compensation equal to that percentage of compensation that will be contributed to the ESOP. In April 2009 First Commonwealth suspended all employer contributions.

The SERP will continue to supplement First Commonwealth’s 401(k) and ESOP plans and will therefore be modified at the same time and in the same respect as the basic plans are modified in future periods. There was no SERP plan expense in 2012, while $86 thousand was expensed in 2011 and $96 thousand in 2010.

Select employees from former acquisitions were covered by postretirement benefit plans which provide medical and life insurance coverage. The measurement date for these plans was December 31.

Postretirement Benefits Other than Pensions from Prior Acquisitions

Net periodic benefit cost of these plans for the years ended December 31, was as follows:

	2012			2011			2010
	(dollars in thousands)
Service cost	$	0		$	0		$	0
Interest cost on projected benefit obligation		75			86			128
Amortization of transition obligation		2			2			2
Gain amortization		(32	)		(50	)		(10	)
Net periodic benefit cost	$	45		$	38		$	120

The following table sets forth the change in the benefit obligation and plan assets as of December 31:

	2012			2011
	(dollars in thousands)
Change in Benefit Obligation
Benefit obligation at beginning of year	$	1,892		$	1,897
Service cost		0			0
Interest cost		75			86
Amendments		0			0
Actuarial gain		269			210
Net benefits paid		(250	)		(301	)
Benefit obligation at end of year		1,986			1,892
Change in Plan Assets
Fair value of plan assets at beginning of year		0			0
Actual return on plan assets		0			0
Employer contributions		250			301
Net benefits paid		(250	)		(301	)
Fair value of plan assets at end of year		0			0
Funded Status at End of Year		1,986			1,892
Unrecognized transition obligation		0			(2	)
Unrecognized net gain		212			513
Amounts recognized in retained earnings	$	2,198		$	2,403

As of December 31, the funded status of the plan is:

	2012		2011
	(dollars in thousands)
Amounts Recognized in the Statement of Financial Condition as Other liabilities	$	1,986	$	1,892

The following table sets forth the amounts recognized in accumulated other comprehensive income that have not yet been recognized as components of net periodic benefit costs as of December 31:

	2012			2011			2010
	(dollars in thousands)
Amounts recognized in accumulated other comprehensive income, net of tax:
Net (gain) loss	$	(138	)	$	(333	)	$	(502	)
Transition obligation		0			1			2
Total	$	(138	)	$	(332	)	$	(500	)

Weighted-average assumptions used to determine the benefit obligation as of December 31 are as follows:

	2012			2011			2010
Weighted-average Assumptions
Discount rate		3.31	%		4.22	%		4.71	%
Health care cost trend: Initial		7.00	%		8.00	%		9.00	%
Health care cost trend: Ultimate		4.75	%		4.75	%		4.75	%
Year ultimate reached		2022			2016			2016

Weighted-average assumptions used to determine the net benefit costs as of December 31 are as follows:

	2012			2011			2010
Weighted Average Assumptions for Net Periodic Cost
Discount rate		4.22	%		4.71	%		4.71	%
Health care cost trend: Initial		8.00	%		9.00	%		10.00	%
Health care cost trend: Ultimate		4.75	%		4.75	%		4.75	%
Year ultimate reached		2016			2016			2016
Corridor		10.00	%		10.00	%		10.00	%
Recognition period for gains and losses		12.00			12.7			12.7

The Medicare Prescription Drug, Improvement and Modernization Act of 2003 (the “Act”) introduced a prescription drug benefit under Medicare Part D and a federal subsidy to sponsors of retiree health care benefit plans that provide a prescription drug benefit that is at least actuarially equivalent to Medicare Part D. The postretirement plans of First Commonwealth are provided through insurance coverage; therefore, First Commonwealth will not receive a direct federal subsidy. The preceding measures of the accumulated postretirement benefit cost assume that First Commonwealth will not receive the subsidy due to the relatively small number of retirees.

The health care cost trend rate assumption can have a significant impact on the amounts reported for this plan. A one-percentage-point change in assumed health care cost trend rates would have the following effects:

	One-Percentage- Point Increase		One-Percentage- Point Decrease
	(dollars in thousands)
Effect on total of service and interest cost components	$	65	$	(59	)
Effect on postretirement benefit obligation		2		(2	)

As of December 31, 2012, the projected benefit payments for the next ten years are as follows:

	Projected Benefit         Payments
	(dollars in thousands)
2013	$	219
2014		213
2015		206
2016		200
2017		193
2018 - 2022		671

The projected payments were calculated using the same assumptions as those used to calculate the benefit obligations included in this note.

The estimated costs that will be amortized from accumulated other comprehensive income into net periodic cost for 2013 are as follows (dollars in thousands):

	Postretirement Benefits
	(dollars in thousands)
Net gain	$	(7	)
Transition obligation		0
Total	$	(7	)

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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Operating Activities
Net Income	$ 41,954	$ 15,274	$ 22,978
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	20,544	55,816	61,552
Deferred tax expense (benefit)	2,551	(1,192)	(4,671)
Depreciation and amortization	7,912	9,026	10,707
Net losses on securities and other assets	1,838	9,776	8,948
Net amortization of premiums and discounts on securities	1,381	721	212
Net amortization of premiums and discounts on long-term debt	(113)	(124)	(807)
Income from increase in cash surrender value of bank owned life insurance	(5,850)	(5,596)	(5,331)
Decrease in interest receivable	2,689	1,276	4,188
Decrease in interest payable	(1,280)	(1,423)	(966)
Increase (decrease) in income taxes payable	6,484	(5,362)	1,983
Other-net	614	5,927	12,077
Net cash provided by operating activities	78,724	84,119	110,870
Transactions with securities held to maturity:
Proceeds from maturities and redemptions	0	0	14,520
Transactions with securities available for sale:
Proceeds from sales	0	76,914	143,503
Proceeds from maturities and redemptions	574,846	480,250	430,115
Purchases	(605,435)	(723,805)	(387,135)
Proceeds from the redemption of FHLB stock	11,568	9,063	2,572
Proceeds from bank owned life insurance	2,501	238	0
Proceeds from the sale of loans	15,981	5,766	0
Proceeds from sales of other assets	17,660	23,756	8,778
Net (increase) decrease in loans	(178,321)	56,181	335,165
Purchases of premises and equipment	(10,182)	(8,320)	(4,886)
Net cash (used in) provided by investing activities	(171,382)	(79,957)	542,632
Financing Activities
Net (decrease) increase in federal funds purchased	(41,300)	62,500	(92,200)
Net increase (decrease) in other short-term borrowings	84,750	62,417	(678,871)
Net increase (decrease) in deposits	53,256	(113,090)	82,197
Repayments of other long-term debt	(25,480)	(24,561)	(117,142)
Proceeds from issuance of long-term debt	100,000	29,600	50,000
Proceeds from issuance of common stock	0	144	83,913
Discount on dividend reinvestment plan purchases	(92)	(63)	(33)
Dividends paid	(18,759)	(12,558)	(5,306)
Proceeds from reissuance of treasury stock	1,028	72	4,248
Purchase of treasury stock	(36,242)	(9)	(9)
Stock option tax benefit	1	6	0
Net cash provided by (used in) financing activities	117,162	4,458	(673,203)
Net increase (decrease) in cash and cash equivalents	24,504	8,620	(19,701)
Cash and cash equivalents at January 1	78,478	69,858	89,559
Cash and cash equivalents at December 31	$ 102,982	$ 78,478	$ 69,858

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Unearned ESOP Shares

12 Months Ended

Dec. 31, 2012

Unearned ESOP Shares

Note 24—Unearned ESOP Shares

During 2012, all employees with at least one year of service were eligible to participate in the ESOP. Contributions to the plan are determined by the Board of Directors and are based upon a prescribed percentage of the annual compensation of all participants. The ESOP acquired shares of First Commonwealth’s common stock in a transaction whereby the ESOP Trust borrowed funds that were guaranteed by First Commonwealth. The borrowed amounts represented leveraged and unallocated shares, and accordingly were recorded as long-term debt with the offset as a reduction of common shareholders’ equity. The borrowing had a balance of $1.6 million at December 31, 2011 and matured in November of 2012. All the remaining shares held as collateral for the loan were released and allocated to participants when the borrowing was repaid. Compensation costs related to the plan were $733 thousand, $717 thousand and $783 thousand in 2012, 2011 and 2010, respectively.

As of December 31, 2012, First Commonwealth terminated the ESOP and appropriate forms have been filed with the IRS in order to receive a determination letter.

The following is an analysis of ESOP shares held in suspense and the fair value of those shares as of December 31:

	2012			2011			2010
	(dollars in thousands)
Shares in suspense, beginning of the year		104,661			237,106			375,925
Shares allocated		(104,661	)		(132,445	)		(138,819	)
Shares acquired		0			0			0
Shares in suspense, end of the year		0			104,661			237,106
Fair market value of shares in suspense	$	0		$	550		$	1,679

Interest paid on the ESOP loan and dividends received on unallocated shares for the year ended December 31 were:

	2012		2011		2010
	(dollars in thousands)
Interest paid on ESOP loan	$	13	$	38	$	66
Dividends on unallocated shares		19		32		22

Dividends on unallocated shares were used for debt service while all dividends on allocated shares were allocated or paid to the participants.

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Impairment of Investment Securities - Pooled Trust Preferred Collateralized Debt Obligations (Detail) (USD $) In Thousands, unless otherwise specified																12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Senior [Member] Pre TSL I [Member]	Dec. 31, 2012 Senior [Member] MMCap I [Member]	Dec. 31, 2012 Mezzanine [Member] Pre TSL IV [Member]	Dec. 31, 2012 Mezzanine [Member] Pre TSL V [Member]	Dec. 31, 2012 Mezzanine [Member] Pre TSL VII [Member]	Dec. 31, 2012 Mezzanine [Member] Pre TSL VIII [Member]	Dec. 31, 2012 Mezzanine [Member] Pre TSL IX [Member]	Dec. 31, 2012 Mezzanine [Member] Pre TSL X [Member]	Dec. 31, 2012 Mezzanine [Member] Pre TSL XII [Member]	Dec. 31, 2012 Mezzanine [Member] Pre TSL XIII [Member]	Dec. 31, 2012 Mezzanine [Member] Pre TSL XIV [Member]	Dec. 31, 2012 Mezzanine [Member] MMCap I [Member]	Dec. 31, 2012 Mezzanine [Member] MM Comm IX [Member]	Dec. 31, 2012 Preferred Collateralized Debt Obligations Total [Member] Moody's, C Rating [Member] Mezzanine [Member] Pre TSL V [Member] Bank	Dec. 31, 2012 Fitch, A Rating [Member] Preferred Collateralized Debt Obligations Total [Member] Moody's, Aa3 Rating [Member] Senior [Member] Pre TSL I [Member] Bank	Dec. 31, 2012 Fitch, A Rating [Member] Preferred Collateralized Debt Obligations Total [Member] Moody's, A3 Rating [Member] Senior [Member] MMCap I [Member] Bank	Dec. 31, 2012 Fitch, CCC Rating [Member] Preferred Collateralized Debt Obligations Total [Member] Moody's, Caa2 Rating [Member] Mezzanine [Member] Pre TSL IV [Member] Bank	Dec. 31, 2012 Fitch, C Rating [Member] Preferred Collateralized Debt Obligations Total [Member] Moody's, C Rating [Member] Mezzanine [Member] Pre TSL VIII [Member] Bank	Dec. 31, 2012 Fitch, C Rating [Member] Preferred Collateralized Debt Obligations Total [Member] Moody's, Ca Rating [Member] Mezzanine [Member] Pre TSL VII [Member] Bank	Dec. 31, 2012 Fitch, C Rating [Member] Preferred Collateralized Debt Obligations Total [Member] Moody's, Ca Rating [Member] Mezzanine [Member] Pre TSL IX [Member] Bank	Dec. 31, 2012 Fitch, C Rating [Member] Preferred Collateralized Debt Obligations Total [Member] Moody's, Ca Rating [Member] Mezzanine [Member] Pre TSL X [Member] Bank	Dec. 31, 2012 Fitch, C Rating [Member] Preferred Collateralized Debt Obligations Total [Member] Moody's, Ca Rating [Member] Mezzanine [Member] Pre TSL XII [Member] Bank	Dec. 31, 2012 Fitch, C Rating [Member] Preferred Collateralized Debt Obligations Total [Member] Moody's, Ca Rating [Member] Mezzanine [Member] Pre TSL XIII [Member] Bank	Dec. 31, 2012 Fitch, C Rating [Member] Preferred Collateralized Debt Obligations Total [Member] Moody's, Ca Rating [Member] Mezzanine [Member] Pre TSL XIV [Member] Bank	Dec. 31, 2012 Fitch, C Rating [Member] Preferred Collateralized Debt Obligations Total [Member] Moody's, Ca Rating [Member] Mezzanine [Member] MMCap I [Member] Bank	Dec. 31, 2012 Fitch, CC Rating [Member] Preferred Collateralized Debt Obligations Total [Member] Moody's, Ca Rating [Member] Mezzanine [Member] MM Comm IX [Member] Bank
Impairment Of Investment Securities [Line Items]
Book Value	$ 51,866		$ 1,009	$ 1,220	$ 1,830	$ 54	$ 3,654	$ 1,833	$ 2,268	$ 1,388	$ 5,508	$ 12,571	$ 13,188	$ 867	$ 6,476
Fair Value	1,171,303	1,142,776	1,005	1,193	1,111	57	3,326	1,007	943	1,165	2,531	4,456	4,783	466	1,330
Unrealized Gain (Loss)	$ (28,493)		$ (4)	$ (27)	$ (719)	$ 3	$ (328)	$ (826)	$ (1,325)	$ (223)	$ (2,977)	$ (8,115)	$ (8,405)	$ (401)	$ (5,146)
Number of Banks																3	17	17	6	32	16	46	50	71	63	61	17	29
Deferrals and Defaults as a % of Current Collateral																100.00%	33.33%	50.26%	27.07%	52.99%	48.92%	25.50%	35.24%	35.35%	36.87%	38.97%	50.26%	42.41%
Excess Subordination as a % of Current Performing Collateral																0.00%	159.27%	573.29%	91.00%	0.00%	0.00%	13.32%	0.00%	0.00%	6.48%	29.37%	0.00%	0.00%

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Fair Values of Assets and Liabilities - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	$ 1,169,328	$ 1,140,916
Fair Value of Investment Securities	1,171,303	1,142,776
Other investments	28,228	39,796
Loans Held for Sale	0	13,412
Other Assets	16,480	16,064
Total Assets	1,216,011	1,212,048
Other Liabilities	18,726	18,986
Total Liabilities	18,726	18,986
Equities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value of Investment Securities	1,975	1,860
US Government Agencies Debt Securities [Member] | Mortgage-Backed Securities-Residential [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	31,664	36,194
Obligations of U.S. Government-Sponsored Enterprises [Member] | Mortgage-Backed Securities-Residential [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	864,401	801,031
Obligations of U.S. Government-Sponsored Enterprises [Member] | Mortgage-Backed Securities-Commercial [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	149	193
Obligations of U.S. Government-Sponsored Enterprises [Member] | Other Government - Sponsored Enterprises [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	242,664	268,648
Obligations of States and Political Subdivisions [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	86	459
Corporate Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	6,991	11,411
Fair Value of Investment Securities	7,000	11,400
Pooled Trust Preferred Collateralized Debt Obligations [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	23,373	22,980
Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	0	0
Fair Value of Investment Securities	555	440
Other investments	0	0
Loans Held for Sale	0	0
Other Assets	0	0
Total Assets	555	440
Other Liabilities	0	0
Total Liabilities	0	0
Level 1 [Member] | Equities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value of Investment Securities	555	440
Level 1 [Member] | US Government Agencies Debt Securities [Member] | Mortgage-Backed Securities-Residential [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	0	0
Level 1 [Member] | Obligations of U.S. Government-Sponsored Enterprises [Member] | Mortgage-Backed Securities-Residential [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	0	0
Level 1 [Member] | Obligations of U.S. Government-Sponsored Enterprises [Member] | Mortgage-Backed Securities-Commercial [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	0	0
Level 1 [Member] | Obligations of U.S. Government-Sponsored Enterprises [Member] | Other Government - Sponsored Enterprises [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	0	0
Level 1 [Member] | Obligations of States and Political Subdivisions [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	0	0
Level 1 [Member] | Corporate Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	0	0
Level 1 [Member] | Pooled Trust Preferred Collateralized Debt Obligations [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	0	0
Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	1,145,955	1,117,936
Fair Value of Investment Securities	1,145,955	1,117,936
Other investments	28,228	39,796
Loans Held for Sale	0	0
Other Assets	16,480	16,064
Total Assets	1,190,663	1,173,796
Other Liabilities	18,726	18,986
Total Liabilities	18,726	18,986
Level 2 [Member] | Equities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value of Investment Securities	0	0
Level 2 [Member] | US Government Agencies Debt Securities [Member] | Mortgage-Backed Securities-Residential [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	31,664	36,194
Level 2 [Member] | Obligations of U.S. Government-Sponsored Enterprises [Member] | Mortgage-Backed Securities-Residential [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	864,401	801,031
Level 2 [Member] | Obligations of U.S. Government-Sponsored Enterprises [Member] | Mortgage-Backed Securities-Commercial [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	149	193
Level 2 [Member] | Obligations of U.S. Government-Sponsored Enterprises [Member] | Other Government - Sponsored Enterprises [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	242,664	268,648
Level 2 [Member] | Obligations of States and Political Subdivisions [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	86	459
Level 2 [Member] | Corporate Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	6,991	11,411
Level 2 [Member] | Pooled Trust Preferred Collateralized Debt Obligations [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	0	0
Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	23,373	22,980
Fair Value of Investment Securities	24,793	24,400
Other investments	0	0
Loans Held for Sale	0	13,412
Other Assets	0	0
Total Assets	24,793	37,812
Other Liabilities	0	0
Total Liabilities	0	0
Level 3 [Member] | Equities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value of Investment Securities	1,420	1,420
Level 3 [Member] | US Government Agencies Debt Securities [Member] | Mortgage-Backed Securities-Residential [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	0	0
Level 3 [Member] | Obligations of U.S. Government-Sponsored Enterprises [Member] | Mortgage-Backed Securities-Residential [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	0	0
Level 3 [Member] | Obligations of U.S. Government-Sponsored Enterprises [Member] | Mortgage-Backed Securities-Commercial [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	0	0
Level 3 [Member] | Obligations of U.S. Government-Sponsored Enterprises [Member] | Other Government - Sponsored Enterprises [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	0	0
Level 3 [Member] | Obligations of States and Political Subdivisions [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	0	0
Level 3 [Member] | Corporate Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	0	0
Level 3 [Member] | Pooled Trust Preferred Collateralized Debt Obligations [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Debt Securities	$ 23,373	$ 22,980

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Statement of Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2012

General

General

The following summary of accounting and reporting policies is presented to aid the reader in obtaining a better understanding of the financial statements and related financial data of First Commonwealth Financial Corporation and its subsidiaries (“First Commonwealth”) contained in this report.

The financial information is presented in accordance with generally accepted accounting principles and general practice for financial institutions in the United States of America. In preparing financial statements, management is required to make estimates and assumptions that affect the reported amount of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements. In addition, these estimates and assumptions affect revenues and expenses in the financial statements and as such, actual results could differ from those estimates.

Through its subsidiaries, which include one commercial bank, an insurance agency and a financial advisor, First Commonwealth provides a full range of loan, deposit, trust, insurance and personal financial planning services primarily to individuals and small to middle market businesses in fifteen counties in central and western Pennsylvania. First Commonwealth determined it has one business segment.

First Commonwealth is subject to regulations of certain state and federal agencies. These regulatory agencies periodically examine First Commonwealth for adherence to laws and regulations.

Basis of Presentation

Basis of Presentation

The accompanying Consolidated Financial Statements include the accounts of First Commonwealth previously defined above. All material intercompany transactions have been eliminated in consolidation. Certain reclassifications have been made in the Consolidated Financial Statements for 2010 to conform to the classifications presented for 2012 and 2011.

Equity investments of less than a majority but at least 20% ownership are accounted for by the equity method and classified as “Other assets.” Earnings on these investments are reflected in “Other income” on the Consolidated Statements of Income, as appropriate, in the period earned.

First Commonwealth’s variable interest entities (“VIEs”) are evaluated under the guidance included in ASU 2009-17. These VIEs include qualified affordable housing projects that First Commonwealth has invested in as part of its community reinvestment initiatives. We periodically assess whether or not our variable interests in these VIEs, based on qualitative analysis, provide us with a controlling interest in the VIE. The analysis includes an assessment of the characteristics of the VIE. We do not have a controlling financial interest in the VIE, which would require consolidation of the VIE, as we do not have the following characteristics: (1) the power to direct the activities that most significantly impact the VIE’s economic performance; and (2) the obligation to absorb losses or the right to receive benefits from the VIE that could potentially be significant to the VIE.

Securities

Securities

Debt securities that First Commonwealth has the positive intent and ability to hold to maturity are classified as securities held to maturity and are reported at amortized cost adjusted for amortization of premium and accretion of discount on a level yield basis. Debt and equity securities that are bought and held principally for the purpose of selling them in the near term are to be classified as trading securities and reported at fair value, with unrealized gains and losses included in earnings. Debt and equity securities not classified as either held-to-maturity securities or trading securities are classified as securities available for sale and are reported at fair value, with unrealized gains and losses that are not related to impairment excluded from earnings and reported as a component of other comprehensive income, which is included in shareholders’ equity, net of deferred taxes.

First Commonwealth has securities classified as either held to maturity or available for sale and does not engage in trading activities. 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 the equity securities.

First Commonwealth conducts a comprehensive review of the investment portfolio on a quarterly basis to determine whether other-than-temporary impairment has occurred. Issuer-specific securities whose market values have fallen below their book values are initially selected for more in-depth analysis based on the percentage decline in value and duration of the decline. Issuer-specific securities include obligations of U.S. Government agencies and sponsored enterprises, single issue trust preferred securities, corporate debentures and obligations of states and political subdivisions. Further analysis of these securities includes a review of research reports, analysts’ recommendations, credit rating changes, news stories, annual reports, impact of interest rate changes and any other relevant information pertaining to the affected security. Pooled trust preferred collateralized debt obligations are measured by evaluating all relevant credit and structural aspects, determining appropriate performance assumptions and performing a discounted cash flow analysis. This evaluation includes detailed credit, performance and structural evaluations for each piece of collateral. Other factors in the pooled trust preferred collateralized debt obligations valuation include terms of the structure, the cash flow waterfall (for both interest and principal), the over collateralization and interest coverage tests and events of default/liquidation. Based on this review, a determination is made on a case by case basis as to a potential impairment. Declines in the fair value of individual securities below their cost that are not expected to be recovered will result in write-downs of the individual securities to their fair value. The related write-downs are included in earnings as impairment losses.

Loans

Loans

Loans are carried at the principal amount outstanding. Unearned income on installment loans and leases is taken into income on a declining basis, which results in an approximate level rate of return over the life of the loan or the lease. Interest is accrued as earned. Loans held for sale are carried at the lower of cost or fair value determined on an individual basis.

First Commonwealth considers a loan to be past due and still accruing interest when payment of interest or principal is contractually past due but the loan is both well secured and in the process of collection. For installment, mortgage, term and other loans with amortizing payments that are scheduled monthly, 90 days past due is reached when four monthly payments are due and unpaid. For demand, time and other multi-payment obligations with payments scheduled other than monthly, delinquency status is calculated using number of days instead of number of payments. Revolving credit loans, including personal credit lines and home equity lines, are considered to be 90 days past due when the borrower has not made the minimum payment for four monthly cycles.

A loan is placed in nonaccrual status when, based on current information and events, it is probable that First Commonwealth will be unable to fully collect principal or interest due according to the contractual terms of the loan. A loan is also placed in nonaccrual status when, based on regulatory definitions, the loan is maintained on a “cash basis” due to the weakened financial condition of the borrower. When a determination is made to place a loan in nonaccrual status, all accrued and unpaid interest for the current year is reversed against interest income and uncollected interest for previous years is charged against the allowance for credit losses. Nonaccrual loans are restored to accrual status when, based on a sustained period of repayment by the borrower in accordance with the contractual terms of the loan, First Commonwealth expects repayment of the remaining contractual principal and interest or when the loan otherwise becomes well-secured and in the process of collection.

First Commonwealth considers a loan to be a troubled debt restructured loan when, for economic or legal reasons related to the debtor’s financial difficulties, a concession is granted to the debtor that would not otherwise be considered.

A loan is considered to be impaired when, based on current information and events, it is probable that First Commonwealth will be unable to collect principal or interest that is due in accordance with contractual terms of the loan. Impaired loans include nonaccrual loans and troubled debt restructured loans. Loan impairment is measured based on the present value of expected cash flows discounted at the loan’s effective interest rate or, as a practical expedient, at the loan’s observable market price or the fair value of the collateral if the loan is collateral dependent.

For loans other than those that First Commonwealth expects repayment through liquidation of the collateral, when the remaining recorded investment in the impaired loan is less than or equal to the present value of the expected cash flows, income is applied as a reduction to loan principal rather than interest income.

Loans deemed uncollectible are charged off through the allowance for credit losses. Factors considered in assessing ultimate collectibility include past due status, financial condition of the borrower, collateral values, and debt covenants including secondary sources of repayment by guarantors. Payments received on previously charged off loans are recorded as recoveries in the allowance for credit losses.

Loan Fees

Loan Fees

Loan origination and commitment fees, net of associated direct costs, are deferred and the net amount is amortized as an adjustment to the related loan yield on the interest method, generally over the contractual life of the related loans or commitments.

Other Real Estate Owned

Other Real Estate Owned

Real estate, other than bank premises, is recorded at the lower of cost or fair value less estimated selling costs at the time of acquisition. Fair value is determined based on an independent appraisal. Expenses related to holding the property and rental income earned on the property are generally reflected in earnings in the current period. Depreciation is not recorded on the other real estate owned properties.

Allowance for Credit Losses

Allowance for Credit Losses

First Commonwealth maintains an allowance for credit losses at a level deemed sufficient to absorb losses that are inherent in the loan portfolio. First Commonwealth’s management determines and reviews with the Board of Directors 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 problem loans, delinquency and loss experience trends, and other relevant factors, all of which may be susceptible to significant changes. While allocations are made to specific loans and pools of loans, the total allowance is available for all credit losses.

The following describes the major loan classifications used in the allowance for credit losses calculation. Other Assets Especially Mentioned (“OAEM”) loans have potential weaknesses that deserve management’s close attention. The potential weaknesses may result in deterioration of the repayment prospects or weaken the Bank’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. Loans classified as OAEM constitute an undue and unwarranted credit risk, but not to the point of being classified as a substandard risk. Substandard loans are those with a 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 First Commonwealth may also be classified as substandard. Doubtful loans have 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. Although the probability of loss is extremely high for doubtful loans, the classification of loss is deferred until pending factors, which might improve the loan, have been determined. Loans rated as doubtful, in whole or in part, are placed in nonaccrual status.

First Commonwealth consistently applies the following comprehensive methodology and procedure for determining the allowance for credit losses.

Criticized loans on the watch list, which include OAEM, substandard, doubtful, and impaired, are analyzed to determine the level of probable loss in the credits under current circumstances. The probable loss that is established for these classified loans is based on careful analysis of the probability the loan will default based on the loan’s performance, the related collateral value, cash flow considerations and the financial capability of any guarantor. Watch list loans are managed and monitored by assigned account officers within the special assets area of First Commonwealth in conjunction with supervision by senior management. A reserve is established for watch list loans that are classified.

All impaired credits in excess of $100 thousand are individually reviewed quarterly. A specific reserve is established for impaired loans that is equal to the total amount of probable unconfirmed losses for the impaired loans that are reviewed. Based on this reserve as a percentage of reviewed loan balances, a reserve is also established for the impaired loan balances that are not individually reviewed.

The allowance uses historical charge-off trends to estimate probable unconfirmed losses based on charge-off history for the greater of the eight most recent quarters or the twenty most recent quarters. The loss emergence periods, which are the average time period from when a loan becomes delinquent until it is charged off, are calculated for each loan type and applied to the historical loss percentages. Adjusted historical loss experience percentages are applied to non-classified loans from the watch list, as well as all other loans not on the watch list, to obtain the portion of the allowance for credit losses which is based on historical trends. Before applying the adjusted historical loss experience percentages, loan balances are reduced by the portion of the loan balances which are subject to guarantee by a government agency.

Historical delinquency trends are also used when estimating probable losses in the loan portfolio. Each loan category’s most recent four quarter average delinquency percentage is compared to its twenty quarter average. The twenty quarter average delinquency level is used in determining probable losses in the portfolio, unless the four quarter average exceeds the twenty quarter average. In that case, the four quarter average delinquency rate is more appropriate as it indicates there is currently a higher level of risk in the portfolio compared to historical levels. A portion of the allowance is obtained by applying the appropriate average delinquency percentage to non-classified loans from the watch list, as well as all other loans not on the watch list.

An additional allowance is made by management based on a qualitative analysis of certain factors related to portfolio risks and economic conditions. Factors considered by management include employment trends, macroeconomic trends, commercial real estate trends and the overall lending environment. Portfolio risks include unusual changes or recent trends in specific portfolios such as unexpected changes in the trends or levels of delinquency. No matter how detailed an analysis of potential credit losses is performed, these estimates are not precise. Management must make estimates using assumptions and information that is often subjective and changes rapidly.

Allowance for Off-Balance Sheet Credit Exposures

Allowance for Off-Balance Sheet Credit Exposures

First Commonwealth maintains an allowance for off-balance sheet credit exposure at a level deemed sufficient to absorb losses that are inherent to off-balance sheet credit risk. Management determines the adequacy of the allowance on a quarterly basis charging the provision 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. The Company’s methodology for assessing the appropriateness of the allowance for off-balance sheet credit exposure consists of analysis of historical usage trends as well as loss history and probability of default rates related to the off-balance sheet category. The calculation begins with historical usage trends related to lines of credit as well as letters of credit and then utilizes those figures to determine the probable usage of available lines. These values are then adjusted by a determined probability of default as well as a loss given default. This amount is adjusted quarterly and reported as part of other operating expenses on the Consolidated Statements of Income.

Bank Owned Life Insurance

Bank Owned Life Insurance

First Commonwealth purchased insurance on the lives of certain groups of employees. The policies accumulate asset values to meet future liabilities including the payment of employee benefits such as health care. Increases in the cash surrender value are recorded in the Consolidated Statements of Income. Under some of these policies, the beneficiaries receive a portion of the death benefit. The net present value of the future death benefits scheduled to be paid to the beneficiaries was $3.8 million and $3.6 million as of December 31, 2012 and 2011, respectively, and is reflected in “Other Liabilities” on the Consolidated Statements of Financial Condition.

Premises and Equipment

Premises and Equipment

Premises and equipment are carried at cost less accumulated depreciation on First Commonwealth’s Consolidated Statements of Financial Condition. Depreciation is computed on the straight-line and accelerated methods over the estimated useful life of the asset. A straight-line depreciation method was used for substantially all furniture and equipment. The straight-line depreciation method was used for buildings and improvements. Charges for maintenance and repairs are expensed as incurred. Leasehold improvements are expensed over the term of the lease or the estimated useful life of the improvement, whichever is shorter.

When developing software, First Commonwealth expenses costs that are incurred during the preliminary project stage and capitalizes certain costs that are incurred during the application development stage. Once software is in operation, maintenance costs are expensed over the maintenance period while upgrades that result in additional functionality or enhancements are capitalized. Training and data conversion costs are expensed as incurred. Capitalized software development costs and purchased software are amortized on a straight-line basis over a period not to exceed seven years, except for one software license that is being amortized over ten years.

Goodwill

Goodwill

Intangible assets resulting from acquisitions under the purchase method of accounting consist of goodwill and other intangible assets (see “Other Intangible Assets” section below). Goodwill is not amortized and is subject to at least annual assessments for impairment by applying a fair value based test. First Commonwealth reviews goodwill annually and again at any quarter-end if a material event occurs during the quarter that may affect goodwill. This review evaluates potential impairment by determining if our fair value has fallen below carrying value.

Other Intangible Assets

Other Intangible Assets

Other intangible assets consist of core deposits obtained through acquisitions and are amortized over their estimated lives using the present value of the benefit of the core deposits and straight-line methods of amortization. Core deposit intangibles are evaluated for impairment on an annual basis and when events or changes in circumstances indicate that the carrying amount may not be recoverable.

Accounting for the Impairment of Long-Lived Assets

Accounting for the Impairment of Long-Lived Assets

First Commonwealth reviews long-lived assets, such as premises and equipment and intangibles for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. These changes in circumstances may include a significant decrease in the market value of an asset or the extent or manner in which an asset is used. If there is an indication that the carrying amount of an asset may not be recoverable, future undiscounted cash flows expected to result from the use of the asset are estimated. If the sum of the expected cash flows is less than the carrying value of the asset, a loss is recognized for the difference between the carrying value and fair value of the asset. Long-lived assets classified as held for sale are measured at the lower of their carrying amount or fair value less cost to sell. Depreciation or amortization is discontinued on long-lived assets classified as held for sale.

Income Taxes

Income Taxes

First Commonwealth records taxes in accordance with the asset and liability method of FASB ASC Topic 740, “Income Taxes,” whereby deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amount of existing assets and liabilities and their respective tax bases given the provisions of the enacted tax laws. Deferred tax assets are reduced, if necessary, by the amount of such benefits that are more likely than not expected to be realized based upon available evidence. In accordance with FASB ASC Topic 740, interest or penalties incurred for taxes will be recorded as a component of noninterest expense.

Comprehensive Income Disclosures

Comprehensive Income Disclosures

“Other Comprehensive Income” (comprehensive income, excluding net income) includes the after tax effect of changes in unrealized holding gains and losses on available-for-sale securities and changes in the funded status of defined benefit postretirement plans. Comprehensive income is reported in the accompanying Consolidated Statements of Comprehensive Income, net of tax.

Cash and Cash Equivalents

Cash and Cash Equivalents

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.

Employee Stock Ownership Plan

Employee Stock Ownership Plan

Accounting treatment for First Commonwealth’s Employee Stock Ownership Plan (“ESOP”) described in Note 24 “Unearned ESOP Shares” follows FASB ASC Topic 718, “Compensation—Stock Compensation” for ESOP shares acquired after December 31, 1992 (“new shares”). First Commonwealth’s ESOP borrowed funds are guaranteed by First Commonwealth. The ESOP shares purchased subject to the debt guaranteed by First Commonwealth are recorded as a reduction of common shareholders’ equity by recording unearned ESOP shares. Shares are committed to be released to the ESOP Trust for allocation to plan participants through loan payments. As the shares are committed to be released, the unearned ESOP shares account is credited for the average cost of the shares collateralizing the ESOP borrowed funds. Compensation cost is recognized for these shares in accordance with the provisions of FASB ASC Topic 718 and is based upon the fair market value of the shares that are committed to be released. Additional paid-in capital is charged or credited for the difference between the fair value of the shares committed to be released and the cost of those shares to the ESOP.

Dividends on unallocated ESOP shares are used for debt service and are reported as a reduction of debt and accrued interest payable. Dividends on allocated ESOP shares are charged to retained earnings and allocated or paid to the plan participants. The average number of common shares outstanding used in calculating earnings per share excludes all unallocated ESOP shares.

Derivatives and Hedging Activities

Derivatives and Hedging Activities

First Commonwealth accounts for derivative instruments and hedging activities in accordance with FASB ASC Topic 815, “Derivatives and Hedging.” All derivatives are evaluated at inception as to whether or not they are hedging or non-hedging activities, and appropriate documentation is maintained to support the final determination. First Commonwealth recognizes all derivatives as either assets or liabilities on the Statements of Financial Condition and measures those instruments at fair value. For derivatives designated as fair value hedges, changes in the fair value of the derivative and the hedged item related to the hedged risk are recognized in earnings. Any hedge ineffectiveness would be recognized in the income statement line item pertaining to the hedged item.

When First Commonwealth purchases a portion of a commercial loan that has an existing interest rate swap, it enters a Risk Participation Agreement with the counterparty and assumes the credit risk of the loan customer related to the swap. Any fee paid to First Commonwealth as a result of the risk participation agreement is offset by credit risk of the counterparties and is recognized in the income statement. Credit risk on the risk participation agreements is determined after considering the risk rating, probability of default and loss of given default of the counterparties.

Management periodically reviews contracts from various functional areas of First Commonwealth to identify potential derivatives embedded within selected contracts. As of December 31, 2012, First Commonwealth has interest derivative positions that are not designated as hedging instruments. See Note 7 “Derivatives” for a description of these instruments.

Earnings Per Common Share

Earnings Per Common Share

Basic earnings per share excludes dilution and is computed by dividing income available to common shareholders by the weighted-average number of common shares outstanding for the period less unallocated ESOP shares.

Diluted earnings per share reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock or resulted in the issuance of common stock that then shared in the earnings of the entity. For all periods presented, the dilutive effect on average shares outstanding is the result of compensatory stock options outstanding.

Fair Value Measurements

Fair Value Measurements

In accordance with FASB ASC Topic 820, “Fair Value Measurements and Disclosures,” First Commonwealth groups financial assets and financial liabilities measured at fair value in three levels, based on the markets in which the assets and liabilities are traded and the reliability of the assumptions 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. 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 securities include U.S. Government securities issued by Agencies and Sponsored Enterprises, Obligations of States and Political Subdivisions, certain corporate securities, FHLB stock, interest rate derivatives that include interest rate swaps, risk participation agreements and foreign currency contracts, certain other real estate owned and certain impaired loans.

• 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 evaluation 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 select Obligations of States and Political Subdivisions, corporate securities, pooled trust preferred collateralized debt obligations, nonmarketable equity investments certain other real estate owned, certain impaired loans and loans held for sale.

In general, fair values of financial instruments are based upon quoted market prices, where available. If such quoted market prices are not available, fair value is based upon pricing models that primarily use, as inputs, observable market-based parameters. Valuation adjustments may be made to ensure that financial instruments are recorded at fair value. These adjustments may include amounts to reflect counterparty credit quality and our creditworthiness, among other things, as well as unobservable parameters. Any such valuation adjustments are applied consistently over time. See Note 21 “Fair Values of Assets and Liabilities” for additional information.

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Short-term Borrowings (Tables)

12 Months Ended

Dec. 31, 2012

Summary of Short-Term Borrowings

Short-term borrowings at December 31 were as follows:

	2012							2011							2010
	Ending Balance		Average Balance		Average Rate			Ending Balance		Average Balance		Average Rate			Ending Balance		Average Balance		Average Rate
	(dollars in thousands)
Federal funds purchased	$	34,000	$	47,727		0.27	%	$	75,300	$	15,642		0.26	%	$	12,800	$	40,322		0.26	%
Borrowings from FHLB		178,100		214,703		0.25			84,000		7,537		0.21			0		277,329		0.39
Securities sold under agreements to repurchase		144,127		139,766		0.28			153,477		155,551		0.43			170,563		165,945		0.47
Treasury, tax and loan note option		0		0		0.00			0		4,134		0.00			4,498		4,482		0.00
Total	$	356,227	$	402,196		0.27		$	312,777	$	182,864		0.40		$	187,861	$	488,078		0.40
Maximum total at any month-end	$	486,144						$	312,777						$	1,000,753
Weighted average rate at year-end						0.25	%						0.28	%						0.43	%

Interest Expense on Short-Term Borrowings

Interest expense on short-term borrowings for the years ended December 31 is detailed below:

	2012		2011		2010
	(dollars in thousands)
Federal funds purchased	$	128	$	41	$	105
Borrowings from FHLB		545		16		1,069
Securities sold under agreements to repurchase		397		671		774
Total interest on short-term borrowings	$	1,070	$	728	$	1,948

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Derivatives - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 Contract	Dec. 31, 2011 Contract
Increase in other income	$ 1.4
Number of interest rate swaps	1	2
Credit risk expense		6.7
Offset of credit risk		$ 4.4

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CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Assets
Cash and due from banks	$ 98,724	$ 74,967
Interest-bearing bank deposits	4,258	3,511
Securities available for sale, at fair value	1,171,303	1,142,776
Other investments	28,228	39,796
Loans held for sale	0	13,412
Loans:
Portfolio loans	4,204,704	4,043,643
Allowance for credit losses	(67,187)	(61,234)
Net loans	4,137,517	3,982,409
Premises and equipment, net	68,970	66,755
Other real estate owned	11,262	30,035
Goodwill	159,956	159,956
Amortizing intangibles, net	2,375	3,843
Bank owned life insurance	170,925	167,576
Other assets	141,872	156,086
Total assets	5,995,390	5,841,122
Deposits (all domestic):
Noninterest-bearing	883,269	780,377
Interest-bearing	3,674,612	3,724,307
Total deposits	4,557,881	4,504,684
Short-term borrowings	356,227	312,777
Subordinated debentures	105,750	105,750
Other long-term debt	174,471	101,664
Total long-term debt	280,221	207,414
Other liabilities	55,054	57,704
Total liabilities	5,249,383	5,082,579
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 as of December 31, 2012 and 2011; and 99,629,494 shares and 104,916,994 shares outstanding at December 31, 2012 and 2011, respectively	105,563	105,563
Additional paid-in capital	365,354	365,868
Retained earnings	315,608	294,056
Accumulated other comprehensive income, net	1,259	2,001
Treasury stock (5,933,961 and 646,461 shares at December 31, 2012 and 2011, respectively)	(41,777)	(7,345)
Unearned ESOP shares	0	(1,600)
Total shareholders' equity	746,007	758,543
Total liabilities and shareholders' equity	$ 5,995,390	$ 5,841,122

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Securities Available for Sale (Tables)

12 Months Ended

Dec. 31, 2012

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

Below is an analysis of the amortized cost and fair values of securities available for sale at December 31:

	2012									2011
	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	$	27,883	$	3,781	$	0		$	31,664	$	32,139	$	4,061	$	(6	)	$	36,194
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities—Residential		839,102		25,691		(392	)		864,401		771,196		29,835		0			801,031
Mortgage-Backed Securities—Commercial		148		1		0			149		193		1		(1	)		193
Other Government—Sponsored Enterprises		241,970		766		(72	)		242,664		267,807		973		(132	)		268,648
Obligations of States and Political Subdivisions		82		4		0			86		444		15		0			459
Corporate Securities		6,703		288		0			6,991		11,811		162		(562	)		11,411
Pooled Trust Preferred Collateralized Debt Obligations		51,866		3		(28,496	)		23,373		54,762		3		(31,785	)		22,980
Total Debt Securities		1,167,754		30,534		(28,960	)		1,169,328		1,138,352		35,050		(32,486	)		1,140,916
Equities		1,859		116		0			1,975		1,860		0		0			1,860
Total Securities Available for Sale	$	1,169,613	$	30,650	$	(28,960	)	$	1,171,303	$	1,140,212	$	35,050	$	(32,486	)	$	1,142,776

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

The amortized cost and fair value of debt securities at December 31, 2012, by contractual maturity, are shown below:

	Amortized Cost		Estimated Fair Value
	(dollars in thousands)
Due within 1 year	$	0	$	0
Due after 1 but within 5 years		242,052		242,750
Due after 5 but within 10 years		0		0
Due after 10 years		58,569		30,364
		300,621		273,114
Mortgage-Backed Securities (a)		867,133		896,214
Total debt securities	$	1,167,754	$	1,169,328

(a) Mortgage Backed Securities include an amortized cost of $28 million and a fair value of $32 million for Obligations of U.S. Government agencies issued by Ginnie Mae and Obligations of U.S. Government-sponsored enterprises issued by Fannie Mae and Freddie Mac which had an amortized cost of $839 million and a fair value of $864 million.

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

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

	2012		2011			2010
	(dollars in thousands)
Proceeds from sale	$	0	$	76,914		$	143,503
Gross gains (losses) realized:
Sales Transactions:
Gross gains	$	0	$	2,368		$	2,892
Gross losses		0		(258	)		(790	)
		0		2,110			2,102
Maturities, calls and impairment:
Gross gains		192		75			270
Gross losses		0		0			0
Other-than-temporary impairment		0		0			(9,193	)
		192		75			(8,923	)
Net gains (losses) and impairment	$	192	$	2,185		$	(6,821	)

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Premises and Equipment - Schedule of Premises and Equipment (Detail) (USD $) In Thousands, unless otherwise specified					12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Land [Member]	Dec. 31, 2011 Land [Member]	Dec. 31, 2012 Land [Member] Minimum [Member]	Dec. 31, 2012 Land [Member] Maximum [Member]	Dec. 31, 2012 Buildings and improvements [Member]	Dec. 31, 2011 Buildings and improvements [Member]	Dec. 31, 2012 Buildings and improvements [Member] Minimum [Member]	Dec. 31, 2012 Buildings and improvements [Member] Maximum [Member]	Dec. 31, 2012 Leasehold improvements [Member]	Dec. 31, 2011 Leasehold improvements [Member]	Dec. 31, 2012 Leasehold improvements [Member] Minimum [Member]	Dec. 31, 2012 Leasehold improvements [Member] Maximum [Member]	Dec. 31, 2012 Furniture and equipment [Member]	Dec. 31, 2011 Furniture and equipment [Member]	Dec. 31, 2012 Furniture and equipment [Member] Minimum [Member]	Dec. 31, 2012 Furniture and equipment [Member] Maximum [Member]	Dec. 31, 2012 Software [Member]	Dec. 31, 2011 Software [Member]	Dec. 31, 2012 Software [Member] Minimum [Member]	Dec. 31, 2012 Software [Member] Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life					Indefinite	Indefinite
Estimated Useful Life									10 years	50 years			5 years	40 years			3 years	10 years			3 years	10 years
Property plant and equipment, gross	$ 227,828	$ 221,322	$ 12,503	$ 12,513			$ 81,328	$ 81,072			$ 14,617	$ 14,536			$ 79,181	$ 79,722			$ 40,199	$ 33,479
Less accumulated depreciation and amortization	158,858	154,567
Total premises and equipment	$ 68,970	$ 66,755

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Incentive Compensation Plan - Unvested Service-Based Restricted Stock Awards (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Performance Restricted Stock Units [Line Items]
Outstanding, beginning of the year, Shares	50,060	34,338	20,103
Granted, Shares	224,000	35,000	30,120
Vested, Shares	(17,060)	(19,278)	(15,885)
Forfeited, Shares	(4,000)	0	0
Outstanding, end of the year, Shares	253,000	50,060	34,338
Outstanding, beginning of the year, Weighted Average Grant Date Fair Value	$ 6.00	$ 6.52	$ 11.53
Granted, Weighted Average Grant Date Fair Value	$ 5.65	$ 6.13	$ 5.70
Vested, Weighted Average Grant Date Fair Value	$ 5.73	$ 7.16	$ 11.32
Forfeited, Weighted Average Grant Date Fair Value	$ 5.96	$ 0.00	$ 0.00
Outstanding, end of the year, Weighted Average Grant Date Fair Value	$ 5.71	$ 6.00	$ 6.52

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Fair Values of Assets and Liabilities - Quantitative Inputs and Assumptions Used in Level 3 Fair Value Measurements (Detail) (USD $) In Thousands, unless otherwise specified			12 Months Ended																	12 Months Ended							12 Months Ended					12 Months Ended				12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Probability of default [Member] Minimum [Member]	Dec. 31, 2012 Probability of default [Member] Maximum [Member]	Dec. 31, 2012 Probability of default [Member] Weighted average [Member]	Dec. 31, 2012 Prepayment rates [Member]	Dec. 31, 2012 Prepayment rates [Member] Minimum [Member]	Dec. 31, 2012 Prepayment rates [Member] Maximum [Member]	Dec. 31, 2012 Prepayment rates [Member] Weighted average [Member]	Dec. 31, 2012 Discount rates [Member]	Dec. 31, 2012 Gas per MCF [Member]	Dec. 31, 2012 Gas per MCF [Member] Minimum [Member]	Dec. 31, 2012 Gas per MCF [Member] Maximum [Member]	Dec. 31, 2012 Oil per BBL/d [Member]	Dec. 31, 2012 Oil per BBL/d [Member] Minimum [Member]	Dec. 31, 2012 Oil per BBL/d [Member] Maximum [Member]	Dec. 31, 2012 NGL per gallon [Member]	Dec. 31, 2012 NGL per gallon [Member] Weighted average [Member]	Dec. 31, 2012 Pooled Trust Preferred Collateralized Debt Obligations [Member]	Dec. 31, 2012 Pooled Trust Preferred Collateralized Debt Obligations [Member] Probability of default [Member]	Dec. 31, 2012 Pooled Trust Preferred Collateralized Debt Obligations [Member] Discount rates [Member] Minimum [Member]	Dec. 31, 2012 Pooled Trust Preferred Collateralized Debt Obligations [Member] Discount rates [Member] Maximum [Member]	Dec. 31, 2012 Pooled Trust Preferred Collateralized Debt Obligations [Member] Discounted Cash Flow [Member]	Dec. 31, 2012 Other Investments [Member]	Dec. 31, 2012 Other Investments [Member] Par Value [Member]	Dec. 31, 2012 Interest rate swap [Member]	Dec. 31, 2012 Interest rate swap [Member] Minimum [Member]	Dec. 31, 2012 Interest rate swap [Member] Maximum [Member]	Dec. 31, 2012 Interest rate swap [Member] Counterparty credit risk [Member]	Dec. 31, 2012 Interest rate swap [Member] Option model [Member]	Dec. 31, 2012 Impaired Loans [Member]	Dec. 31, 2012 Impaired Loans [Member] Weighted average [Member]	Dec. 31, 2012 Impaired Loans [Member] Discount rates [Member]	Dec. 31, 2012 Impaired Loans [Member] Reserve study [Member]	Dec. 31, 2012 Other Real Estate Owned [Member]	Dec. 31, 2012 Other Real Estate Owned [Member] Counterparty credit risk [Member]	Dec. 31, 2012 Other Real Estate Owned [Member] Internal Valuation [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Weighted average rate			0.00%	100.00%	21.95%		0.00%	100.00%	12.20%												6.50%	20.00%					9.66%	11.95%				10.00%
Weighted average												2.92	5.48		84.64	96.86		1.42
Unobservable Inputs						Prepayment rates				Discount rates	Gas per MCF			Oil per BBL/d			NGL per gallon			Probability of default									Counterparty credit risk				Discount rate
Valuation Technique																							Discounted Cash Flow		Par Value					Option model				Reserve study			Internal Valuation
Fair Value	$ 1,216,011	$ 1,212,048																	$ 23,373					$ 1,420		$ 0					$ 751				$ 247

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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock [Member]	Additional Paid-in-Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss), net [Member]	Treasury Stock [Member]	Unearned ESOP Shares [Member]
Beginning balance at Dec. 31, 2009	$ 638,811	$ 86,600	$ 301,523	$ 278,887	$ (6,045)	$ (16,554)	$ (5,600)
Beginning balance, Shares Outstanding at Dec. 31, 2009		85,151,875
Shareholders Equity [Line Items]
Net Income	22,978			22,978
Total other comprehensive (loss) Income	3,587				3,587
Cash dividends declared	(5,306)			(5,306)
Net decrease in unearned ESOP shares	2,000						2,000
ESOP market value adjustment	(656)		(656)
Discount on dividend reinvestment plan purchases	(33)		(33)	0
Tax benefit of stock options exercised	0		0
Treasury stock acquired	(9)					(9)
Treasury stock acquired, Shares Outstanding	745,912	(1,291)
Treasury stock reissued	4,248		656	(4,899)		8,491
Treasury stock reissued, Shares Outstanding		750,842
Restricted stock	244	0	0	(168)		412
Restricted stock, Shares Outstanding		30,120
Common stock issued	83,913	18,915	64,998	0
Common stock issued, Shares Outstanding		18,914,648
Ending balance at Dec. 31, 2010	749,777	105,515	366,488	291,492	(2,458)	(7,660)	(3,600)
Ending balance, Shares Outstanding at Dec. 31, 2010		104,846,194
Shareholders Equity [Line Items]
Net Income	15,274			15,274
Total other comprehensive (loss) Income	4,459				4,459
Cash dividends declared	(12,558)			(12,558)
Net decrease in unearned ESOP shares	2,000						2,000
ESOP market value adjustment	(685)		(685)
Discount on dividend reinvestment plan purchases	(63)		(63)
Tax benefit of stock options exercised	6		6
Treasury stock acquired	(9)					(9)
Treasury stock acquired, Shares Outstanding		(1,336)
Treasury stock reissued	72		0	(83)		155
Treasury stock reissued, Shares Outstanding		13,760
Restricted stock	126	25	1	(69)		169
Restricted stock, Shares Outstanding		35,000
Common stock issued	144	23	121	0
Common stock issued, Shares Outstanding		23,376
Ending balance at Dec. 31, 2011	758,543	105,563	365,868	294,056	2,001	(7,345)	(1,600)
Ending balance, Shares Outstanding at Dec. 31, 2011	104,916,994	104,916,994
Shareholders Equity [Line Items]
Net Income	41,954			41,954
Total other comprehensive (loss) Income	(742)				(742)
Cash dividends declared	(18,759)			(18,759)
Net decrease in unearned ESOP shares	1,600						1,600
ESOP market value adjustment	(474)		(474)
Discount on dividend reinvestment plan purchases	(92)		(92)
Tax benefit of stock options exercised	1		1
Treasury stock acquired	(37,464)					(37,464)
Treasury stock acquired, Shares Outstanding		(5,662,700)
Treasury stock reissued	1,028			(379)		1,407
Treasury stock reissued, Shares Outstanding		155,200
Restricted stock	412	0	51	(1,264)		1,625
Restricted stock, Shares Outstanding		220,000
Ending balance at Dec. 31, 2012	$ 746,007	$ 105,563	$ 365,354	$ 315,608	$ 1,259	$ (41,777)	$ 0
Ending balance, Shares Outstanding at Dec. 31, 2012	99,629,494	99,629,494

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Commitments and Letters of Credit - Notional Amount of Commitments and Letter of Credit Instruments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Commitments to extend credit [Member]
Contingencies And Commitments [Line Items]
Financial instrument of credit risk	$ 1,506,618	$ 1,495,009
Financial standby letters of credit [Member]
Contingencies And Commitments [Line Items]
Financial instrument of credit risk	47,185	53,689
Performance standby letters of credit [Member]
Contingencies And Commitments [Line Items]
Financial instrument of credit risk	69,240	76,371
Commercial letters of credit [Member]
Contingencies And Commitments [Line Items]
Financial instrument of credit risk	$ 685	$ 1,297

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Incentive Compensation Plan - Components of Stock Options Outstanding (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number Outstanding	196,322
Weighted Average Remaining Contract Life	3 months 18 days
Weighted Average Exercise Price	$ 11.64
Number Exercisable	196,322
Weighted Average Exercise Price	$ 11.64
$9.00 - $9.99 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number Outstanding	50,087
Weighted Average Remaining Contract Life	4 months 24 days
Weighted Average Exercise Price	$ 9.27
Number Exercisable	50,087
Weighted Average Exercise Price	$ 9.27
$10.00 - $10.99 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number Outstanding	4,954
Weighted Average Remaining Contract Life	10 months 24 days
Weighted Average Exercise Price	$ 10.46
Number Exercisable	4,954
Weighted Average Exercise Price	$ 10.46
$12.00 - $15.00 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number Outstanding	141,281
Weighted Average Remaining Contract Life	3 months 18 days
Weighted Average Exercise Price	$ 12.52
Number Exercisable	141,281
Weighted Average Exercise Price	$ 12.52

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Related Party Transactions - Loans to Related Parties (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Related Party Transaction [Line Items]
Beginning balance	$ 551
Advances	5,663
Repayments	(5,557)
Other	1,076
Ending balance	$ 1,733

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Unearned ESOP Shares (Tables)

12 Months Ended

Dec. 31, 2012

Analysis of ESOP Shares Held in Suspense and Its Fair Value

The following is an analysis of ESOP shares held in suspense and the fair value of those shares as of December 31:

	2012			2011			2010
	(dollars in thousands)
Shares in suspense, beginning of the year		104,661			237,106			375,925
Shares allocated		(104,661	)		(132,445	)		(138,819	)
Shares acquired		0			0			0
Shares in suspense, end of the year		0			104,661			237,106
Fair market value of shares in suspense	$	0		$	550		$	1,679

Interest Paid on ESOP Loan and Dividends Received on Unallocated Shares

Interest paid on the ESOP loan and dividends received on unallocated shares for the year ended December 31 were:

	2012		2011		2010
	(dollars in thousands)
Interest paid on ESOP loan	$	13	$	38	$	66
Dividends on unallocated shares		19		32		22

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Goodwill and Other Amortizing Intangible Assets - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Nov. 30, 2012
Goodwill And Other Intangibles [Line Items]
Goodwill	$ 159,956,000	$ 159,956,000
Impairment charges on goodwill	0	0	0
Fair value of goodwill above book value				6.00%
Amortization of other intangible assets	$ 1,467,000	$ 1,534,000	$ 2,031,000
Core Deposits Intangibles [Member]
Goodwill And Other Intangibles [Line Items]
Core deposits remaining amortization period	7 years
Core deposits weighted average amortization period	3 years 6 months

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Related Party Transactions

12 Months Ended

Dec. 31, 2012

Related Party Transactions

Note 27—Related Party Transactions

Some of First Commonwealth’s directors, executive officers, principal shareholders and their related interests had transactions with the subsidiary bank in the ordinary course of business. All deposit and loan transactions were made on substantially the same terms, such as collateral and interest rates, as those prevailing at the time for comparable transactions. In the opinion of management, these transactions do not involve more than the normal risk of collectibility nor do they present other unfavorable features. It is anticipated that further such transactions will be made in the future.

The following is an analysis of loans to related parties (dollars in thousands):

Balance December 31, 2011	$	551
Advances		5,663
Repayments		(5,557	)
Other		1,076
Balance December 31, 2012	$	1,733

The “Other” line primarily reflects increases due to changes in the individuals designated as a “related party” during the year.

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Condensed Financial Information of First Commonwealth Financial Corporation (Parent Company Only) - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2005	Dec. 31, 2004
Lines Of Credit And Debt Obligations [Line Items]
Cash Dividends Declared per Common Share	$ 0.18	$ 0.12	$ 0.06
Line of credit	$ 15,000,000			$ 8,500,000	$ 14,000,000
Borrowings	$ 0	$ 0	$ 0

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Unearned ESOP Shares - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Borrowed funds		$ 1,600,000
ESOP [Member]
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Compensation costs	$ 733,000	$ 717,000	$ 783,000

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Supplemental Comprehensive Income Disclosures - Related Tax Effects Allocated to Each Component of Other Comprehensive Income (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Other Comprehensive Income [Line Items]
Unrealized holding (losses) gains on securities arising during the period, Pretax Amount	$ (2,854)	$ 9,727	$ (8,377)
Noncredit related gains (losses) on securities not expected to be sold, Pretax Amount	2,193	(425)	6,633
Less: reclassification adjustment for (gains) losses on securities included in net income, Pretax Amount	(192)	(2,185)	6,822
Transition obligation, Pretax Amount	2	2	2
Net (loss) gain, Pretax Amount	(300)	(260)	440
Total other comprehensive (loss) income, Pretax Amount	(1,151)	6,859	5,520
Unrealized holding (losses) gains on securities arising during the period, Tax (Expense) Benefit	1,006	(3,404)	2,931
Noncredit related gains (losses) on securities not expected to be sold, Tax (Expense) Benefit	(768)	149	(2,321)
Less: reclassification adjustment for (gains) losses on securities included in net income, Tax (Expense) Benefit	67	765	(2,388)
Transition obligation, Tax (Expense) Benefit	(1)	(1)	(1)
Net (loss) gain, Tax (Expense) Benefit	105	91	(154)
Total other comprehensive (loss) income, Tax (Expense) Benefit	409	(2,400)	(1,933)
Unrealized holding (losses) gains on securities arising during the period, Net of Tax Amount	(1,848)	6,323	(5,446)
Noncredit related gains (losses) on securities not expected to be sold, Net of Tax Amount	1,425	(276)	4,312
Less: reclassification adjustment for (gains) losses on securities included in net income, Net of Tax Amount	(125)	(1,420)	4,434
Transition obligation, Net of Tax Amount	2	2	2
Net (loss) gain, Net of Tax Amount	(300)	(260)	440
Total other comprehensive (loss) income, Net of Tax Amount	$ (742)	$ 4,459	$ 3,587

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Commitments and Letters of Credit

12 Months Ended

Dec. 31, 2012

Commitments and Letters of Credit

Note 14—Commitments and Letters of Credit

First Commonwealth is a party to financial instruments with off-balance sheet risk in the normal course of business to meet the financial needs of its customers. These financial instruments include commitments to extend credit, standby letters of credit and commercial letters of credit. Those instruments involve, to varying degrees, elements of credit and interest rate risk in excess of the amount recognized in the statements of financial condition. First Commonwealth’s exposure to credit loss in the event of nonperformance by the other party of the financial instrument for commitments to extend credit, standby letters of credit and commercial letters of credit is represented by the contract or notional amount of those instruments. First Commonwealth uses the same credit policies for underwriting all loans, including these commitments and conditional obligations.

As of December 31, 2012 and 2011, First Commonwealth did not own or trade other financial instruments with significant off-balance sheet risk including derivatives such as futures, forwards, option contracts and the like, although such instruments may be appropriate to use in the future to manage interest rate risk. See Note 7 “Derivatives” for a description of interest rate swaps provided to customers.

The following table identifies the notional amount of those instruments at December 31:

	2012		2011
	(dollars in thousands)
Financial instruments whose contract amounts represent credit risk:
Commitments to extend credit	$	1,506,618	$	1,495,009
Financial standby letters of credit		47,185		53,689
Performance standby letters of credit		69,240		76,371
Commercial letters of credit		685		1,297

Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. Since many of the commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily represent future cash requirements. First Commonwealth evaluates each customer’s creditworthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary by First Commonwealth upon extension of credit, is based on management’s credit evaluation of the counterparty. Collateral that is held varies but may include accounts receivable, inventory, property, plant and equipment, and residential and income-producing commercial properties.

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. Those guarantees are primarily issued to support public and private borrowing arrangements. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers.

The current notional amounts outstanding at December 31, 2012 include financial standby letters of credit of $0.4 million, performance standby letters of credit of $10.9 million and commercial letters of credit of $0.4 million issued during 2012. A liability of $0.2 million has been recorded as of December 31, 2012 and 2011, 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 in these commitments resulted in the recording of a liability of $2.4 million and $1.5 million as of December 31, 2012 and 2011, respectively. 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.

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Regulatory Restrictions and Capital Adequacy

12 Months Ended

Dec. 31, 2012

Regulatory Restrictions and Capital Adequacy

Note 28—Regulatory Restrictions and Capital Adequacy

The amount of funds available to the parent from its subsidiary bank is limited by restrictions imposed on all financial institutions by banking regulators. The dividend restrictions have not had, and are not expected to have, a significant impact on First Commonwealth’s ability to meet its cash obligations. Cash dividends declared per common share were $0.18 for 2012 and $0.12 for 2011.

First Commonwealth is 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 its banking subsidiary 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.

Quantitative measures established by regulation to ensure capital adequacy require First Commonwealth to maintain minimum amounts and ratios of Total and Tier I capital (common and certain other “core” equity capital) to risk weighted assets, and of Tier I capital to average assets. As of December 31, 2012, First Commonwealth and its banking subsidiary met all capital adequacy requirements to which they are subject.

As of December 31, 2012, First Commonwealth Bank was considered well capitalized under the regulatory framework for prompt corrective action. To be considered well capitalized, the bank must maintain minimum Total risk-based capital, Tier I risk-based capital and Tier I leverage ratios as set forth in the table below:

	Actual					Regulatory Minumum					Well Capitalized Regulatory Guidelines
	Capital Amount		Ratio			Capital Amount		Ratio			Capital Amount		Ratio
	(dollars in thousands)
As of December 31, 2012
Total Capital to Risk Weighted Assets
First Commonwealth Financial Corporation	$	708,583		14.53	%	$	390,173		8.00	%		N/A		N/A
First Commonwealth Bank		669,131		13.75			389,421		8.00		$	486,776		10.00	%
Teir I Capital to Risk Weighted Assets
First Commonwealth Financial Corporation	$	647,460		13.28	%	$	195,087		4.00	%		N/A		N/A
First Commonwealth Bank		608,176		12.49			194,710		4.00		$	292,066		6.00	%
Tier I Capital to Average Assets
First Commonwealth Financial Corporation	$	647,460		11.24	%	$	230,322		4.00	%		N/A		N/A
First Commonwealth Bank		608,176		10.64			228,544		4.00		$	285,680		5.00	%
As of December 31, 2011
Total Capital to Risk Weighted Assets
First Commonwealth Financial Corporation	$	720,307		14.71	%	$	391,709		8.00	%		N/A		N/A
First Commonwealth Bank		689,333		14.13			390,172		8.00		$	487,715		10.00	%
Teir I Capital to Risk Weighted Assets
First Commonwealth Financial Corporation	$	659,083		13.46	%	$	195,855		4.00	%		N/A		N/A
First Commonwealth Bank		628,346		12.88			195,086		4.00		$	292,629		6.00	%
Tier I Capital to Average Assets
First Commonwealth Financial Corporation	$	659,083		11.91	%	$	221,444		4.00	%		N/A		N/A
First Commonwealth Bank		628,346		11.44			219,627		4.00		$	274,534		5.00	%

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Premises and Equipment - Schedule of Future Minimum Rentals (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Premises [Member]
Future Contractual Minimum Rental Revenues On Leases [Line Items]
2013	$ 3,341
2014	3,166
2015	2,979
2016	2,795
2017	2,544
Therafter	17,070
Total	31,895
Equipment [Member]
Future Contractual Minimum Rental Revenues On Leases [Line Items]
2013	207
2014	18
2015	0
2016	0
2017	0
Therafter	0
Total	$ 225

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Retirement Plans - Schedule of Components of Net Periodic Benefit Cost (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net Periodic Benefit Cost Assumptions [Line Items]
Service cost	$ 0	$ 0	$ 0
Interest cost on projected benefit obligation	75	86	128
Amortization of transition obligation	2	2	2
Gain amortization	(32)	(50)	(10)
Net periodic benefit cost	$ 45	$ 38	$ 120

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Goodwill and Other Amortizing Intangible Assets

12 Months Ended

Dec. 31, 2012

Goodwill and Other Amortizing Intangible Assets

Note 16—Goodwill and Other Amortizing Intangible Assets

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 goodwill testing is required, an assessment of qualitative factors can be completed before performing the two step goodwill impairment test. ASU 2011-08 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 December 31, 2012 and 2011 was $159.9 million. No impairment charges on goodwill or other intangible assets were incurred in 2012, 2011 or 2010.

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.

An assessment of qualitative factors was completed as of December 31, 2012 and indicated that it is more likely than not that the fair value of First Commonwealth exceeds its carrying amount, therefore the two step goodwill impairment test was not considered necessary. The assessment of qualitative factors incorporated the results of the Step 1 goodwill impairment test completed as of November 30, 2012 as well as macroeconomic factors, industry and market considerations, the company’s overall financial performance, and other company specific events occurring since the completion of the November 30, 2012 test.

As of November 30, 2012, our annual goodwill test was completed. The first step compares the estimated fair value of First Commonwealth with its carrying amount, including goodwill. If the estimated fair value exceeds its carrying amount, goodwill is not considered impaired. However, if the carrying amount exceeds its estimated fair value, a second step would be performed that would compare the implied fair value to the carrying amount of goodwill. An impairment loss would be recorded to the extent that the carrying amount of goodwill exceeds its implied fair value.

Fair value may be determined using market prices, comparison to similar assets, market multiples, discounted cash flow analysis and other variables. Our Step 1 test for potential goodwill impairment incorporates both income and market based analyses. The income analysis used in our Step 1 incorporates estimated cash flows which extend five years into the future and, by their nature, are difficult to estimate over such an extended time-frame. Factors that may significantly affect the estimates used in our Step 1 income analysis include, but are not limited to, balance sheet growth assumptions, credit losses in our investment and loan portfolios, competitive pressures in our market area, changes in customer base and customer product preferences, changes in revenue growth trends, cost structure, changes in discount rates, conditions in the banking sector and general economic variables.

The market approach used in the Step 1 test calculates the change of control price a market participant would pay by adding a change of control premium to the current trading value of the Company.

As of November 30, 2012, our Step 1 goodwill analysis indicated that our fair value was approximately 6% above book value. Therefore in accordance with ASC Topic 350-20-35-8, a Step 2 analysis was not necessary and goodwill was not considered impaired.

As of December 31, 2012, goodwill was not considered impaired; however, changing economic conditions that may adversely affect our performance, fair value of our assets and liabilities, or 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.

FASB ASC Topic 350, “Intangibles—Other” also requires that an acquired intangible asset be separately recognized if the benefit of the intangible asset is obtained through contractual or other legal rights, or if the asset can be sold, transferred, licensed, rented or exchanged, regardless of the acquirer’s intent to do so.

The following table summarizes other intangible assets, which for each year includes only core deposit intangibles:

	Gross Intangible Assets		Accumulated Amortization			Net Intangible Assets
	(dollars in thousands)
December 31, 2012	$	22,470	$	(20,095	)	$	2,375
December 31, 2011	$	22,470	$	(18,627	)	$	3,843

Core deposits are amortized over their expected lives using the present value of the benefit of the core deposits and straight-line methods of amortization. The core deposits have a remaining amortization period of seven years and a weighted average amortization period of approximately three and a half years. First Commonwealth recognized amortization expense on other intangible assets of $1.5 million, $1.5 million, and $2.0 million for the years ended December 31, 2012, 2011 and 2010, respectively.

The following presents the estimated amortization expense of core deposit intangibles:

	Core Deposit Intangibles
	(dollars in thousands)
2013	$	1,064
2014		615
2015		337
2016		177
2017		62
Therafter		120
Total	$	2,375

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Earnings per Share - Common Stock Equivalents Not Included in Computation of Diluted Earnings Per Share (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock, par value	1	1
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, shares	268,630	496,863	610,594
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, shares	163,509	22,502	17,370
Minimum [Member] | Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock, par value	6.90	6.36	6.36
Minimum [Member] | Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock, par value	5.26	5.70	5.70
Maximum [Member] | Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock, par value	14.55	14.55	14.55
Maximum [Member] | Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock, par value	6.82	6.82	12.35

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Subordinated Debentures - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
First Commonwealth Capital Trust [Member]
Subordinated Borrowing [Line Items]
Percentage of common equity owned by First Commonwealth	100.00%
First Commonwealth Capital Trust III [Member]
Subordinated Borrowing [Line Items]
Floating rate	LIBOR + 2.85	LIBOR + 2.85
Deferred issuance costs	$ 630
Redemption price as percentage of principal amount	100.00%
First Commonwealth Capital Trust II [Member]
Subordinated Borrowing [Line Items]
Floating rate	LIBOR + 2.85	LIBOR + 2.85
Deferred issuance costs	471
Redemption price as percentage of principal amount	100.00%
First Commonwealth Capital Trust I [Member]
Subordinated Borrowing [Line Items]
Deferred issuance costs	$ 996
Redemption price as percentage of principal amount	103.325%
Fixed Interest Rate	9.50%	9.50%
Debentures authorized for redemption percentage	100.00%

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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Shareholders Equity [Line Items]
Cash Dividends Declared per Common Share	$ 0.18	$ 0.12	$ 0.06
ESOP market value adjustment, tax benefit	$ 255
Common Stock [Member]
Shareholders Equity [Line Items]
Cash Dividends Declared per Common Share	$ 0.18	$ 0.12	$ 0.06
ESOP market value adjustment, gross		1,053	1,008
ESOP market value adjustment, tax benefit		368	352
Additional Paid-in-Capital [Member]
Shareholders Equity [Line Items]
ESOP market value adjustment, gross	$ 729	$ 1,053	$ 1,008

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CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Preferred stock, par value	$ 1	$ 1
Preferred stock, shares authorized	3,000,000	3,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	105,563,455	105,563,455
Common stock, shares outstanding	99,629,494	104,916,994
Treasury stock, shares	5,933,961	646,461

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Securities Held to Maturity

12 Months Ended

Dec. 31, 2012

Securities Held to Maturity

Note 9—Securities Held to Maturity

There were no held-to-maturity debt securities as of December 31, 2012 and 2011.

During 2010, First Commonwealth reclassified its entire held-to-maturity portfolio to the available-for-sale portfolio. At the time of reclassification, the investments had an amortized cost of $22.4 million of which $22.3 million were obligations of states and political subdivisions and $0.1 million were mortgage backed securities. When the securities were transferred, two of the obligations of states and political subdivision securities were in an unrealized loss position totaling $45 thousand, the remaining bonds in that category were in an unrealized gain position of $0.8 million and all of the mortgage backed securities were in an unrealized gain position. In 2010, other-than-temporary impairment charges of $45 thousand were recognized on the two states and political subdivision securities that were in an unrealized loss position when transferred to available-for-sale.

For the year ended December 31, 2010, gross gains of $50 thousand were recognized on held to maturity investments which were called by their issuer.

The transfer of securities from the held-to-maturity portfolio resulted from the implementation of a strategy to liquidate a portion of the obligations of states and political subdivisions portfolio in order to mitigate future credit risk and improve our tax position.

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Interest-Bearing Deposits - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Interest Bearing Time Deposits In Banks And Securities [Line Items]
Interest-bearing demand deposit, money market	$ 581.5	$ 541.7
Certificates of deposit in denominations of $100 thousand or more	322.4	317.0
Interest expense related to certificates of deposit $100 thousand or greater	$ 5.3	$ 7.4	$ 9.4

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Variable Interest Entities - Schedule of Maximum Potential Exposure (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Variable Interest Entity [Line Items]
Low Income Housing Limited Partnership Investments	$ 347	$ 667

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Loans and Allowance for Credit Losses - Troubled Debt Restructurings Identified During Period (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 Contract	Dec. 31, 2011 Contract	Dec. 31, 2010 Contract
Financing Receivable, Modifications [Line Items]
Number of Contracts	60	51	15
Extend Maturity	$ 6,776	$ 19,856	$ 359
Modify Rate	4,724	25,302	12,873
Modify Payments	10,332	5,130	36,889
Others	54
Total Pre-Modification Outstanding Recorded Investment	21,886	50,288	50,121
Post-Modification Outstanding Recorded Investment	22,221	31,993	32,168
Specific Reserve	4,915	1,315	4,975
Commercial, financial, agricultural and other [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	12	13	7
Extend Maturity	1,599	100	250
Modify Rate	187	475	105
Modify Payments	9,476	2,218	36,591
Others	0
Total Pre-Modification Outstanding Recorded Investment	11,262	2,793	36,946
Post-Modification Outstanding Recorded Investment	11,335	2,749	21,180
Specific Reserve	4,237	743	4,972
Real estate construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	2	6	2
Extend Maturity	1,697	2,554	109
Modify Rate	0	86	2,070
Modify Payments	0	0	0
Others	0
Total Pre-Modification Outstanding Recorded Investment	1,697	2,640	2,179
Post-Modification Outstanding Recorded Investment	2,133	2,852	1,051
Specific Reserve	200	0	0
Residential real estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	25	10	2
Extend Maturity	200	0	0
Modify Rate	132	515	13
Modify Payments	697	601	57
Others	48
Total Pre-Modification Outstanding Recorded Investment	1,077	1,116	70
Post-Modification Outstanding Recorded Investment	973	1,100	67
Specific Reserve	69	65	0
Commercial real estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	4	22	4
Extend Maturity	3,280	17,202	0
Modify Rate	4,308	24,226	10,685
Modify Payments	71	2,311	241
Others	0
Total Pre-Modification Outstanding Recorded Investment	7,659	43,739	10,926
Post-Modification Outstanding Recorded Investment	7,607	25,292	9,870
Specific Reserve	409	507	3
Loans to individuals [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	17
Extend Maturity	0
Modify Rate	97
Modify Payments	88
Others	6
Total Pre-Modification Outstanding Recorded Investment	191
Post-Modification Outstanding Recorded Investment	173
Specific Reserve	$ 0

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Retirement Plans - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Employer contribution	3.00%
Employee contribution	80.00%
Contribution of employee matched with employer's contribution	4.00%
Contribution matched to employer's contribution	50.00%
Plan expense	$ 2,600,000	$ 2,500,000	$ 2,600,000
Commonwealth compensation to plan				4.00%
Commonwealth compensation to plan, additional				3.00%
Retirement Plan expense	$ 0	$ 86,000	$ 96,000
Minimum [Member]
Eligibility of participants	1.00%
Maximum [Member]
Eligibility of participants	25.00%

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Unearned ESOP Shares - Analysis of ESOP Shares Held in Suspense and Its Fair Value (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Shares in suspense, beginning of the year	104,661	237,106	375,925
Shares allocated	(104,661)	(132,445)	(138,819)
Shares acquired	0	0	0
Shares in suspense, end of the year	0	104,661	237,106
Fair market value of shares in suspense	$ 0	$ 550	$ 1,679

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Condensed Financial Information of First Commonwealth Financial Corporation (parent company only) - Statements of Cash Flow (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Operating Activities
Net Income	$ 41,954	$ 15,274	$ 22,978
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	7,912	9,026	10,707
Other net	614	5,927	12,077
Net cash provided by operating activities	78,724	84,119	110,870
Investing Activities
Net change in loans to affiliated parties	(178,321)	56,181	335,165
Purchases of premises and equipment	(10,182)	(8,320)	(4,886)
Proceeds from sale of other assets	17,660	23,756	8,778
Net cash (used in) provided by investing activities	(171,382)	(79,957)	542,632
Financing Activities
Proceeds from issuance of common stock	0	144	83,913
Discount on dividend reinvestment plan purchases	(92)	(63)	(33)
Dividends paid	(18,759)	(12,558)	(5,306)
Proceeds from reissuance of treasury stock	1,028	72	4,248
Purchase of treasury stock	(36,242)	(9)	(9)
Stock option tax benefit	1	6	0
Net cash provided by (used in) financing activities	117,162	4,458	(673,203)
Net increase (decrease) in cash	24,504	8,620	(19,701)
Cash and cash equivalents at January 1	78,478	69,858	89,559
Cash and cash equivalents at December 31	102,982	78,478	69,858
Parent [Member]
Operating Activities
Net Income	41,954	15,274	22,978
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	3,719	3,730	3,658
Net gain on sales of assets	(107)	(1,069)	(3)
(Increase) decrease in prepaid income taxes	(3,044)	0	23
Undistributed equity in subsidiaries	14,562	(17,401)	(32,652)
Other net	8,789	1,649	9,029
Net cash provided by operating activities	65,873	2,183	3,033
Investing Activities
Net change in loans to affiliated parties	4	5	7
Purchases of premises and equipment	(3,005)	(5,736)	(3,026)
Proceeds from sale of other assets	4,309	1,461	15
Additional investment in subsidiary	0	0	(70,000)
Net cash (used in) provided by investing activities	1,308	(4,270)	(73,004)
Financing Activities
Proceeds from issuance of common stock	0	144	83,913
Discount on dividend reinvestment plan purchases	(92)	(63)	(33)
Dividends paid	(18,759)	(12,558)	(5,306)
Proceeds from reissuance of treasury stock	1,028	72	4,248
Purchase of treasury stock	(36,242)	(9)	(9)
Stock option tax benefit	1	6	0
Net cash provided by (used in) financing activities	(54,064)	(12,408)	82,813
Net increase (decrease) in cash	13,117	(14,495)	12,842
Cash and cash equivalents at January 1	6,376	20,871	8,029
Cash and cash equivalents at December 31	$ 19,493	$ 6,376	$ 20,871

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Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Effective Income Tax Rate Reconciliation [Line Items]
Tax at statutory rate, Amount	$ 19,814	$ 5,213	$ 8,126
Income from bank owned life insurance, Amount	(5,850)	(5,596)	(5,331)
Tax-exempt interest income, net, Amount	(2,789)	(3,453)	(5,688)
Tax credits, Amount	(267)	(270)	(304)
Other, Amount	(52)	89	(29)
Total tax provision (benefit), Amount	$ 14,658	$ (380)	$ 239
Tax at statutory rate, Pretax Income	35.00%	35.00%	35.00%
Income from bank owned life insurance, Pretax Income	(4.00%)	(13.00%)	(8.00%)
Tax-exempt interest income, net, Pretax Income	(5.00%)	(23.00%)	(25.00%)
Tax credits, Pretax Income	0.00%	(2.00%)	(1.00%)
Other, Pretax Income	0.00%	0.00%	0.00%
Total tax provision (benefit), Pretax Income	26.00%	(3.00%)	1.00%

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Document and Entity Information (USD $)	12 Months Ended
	Dec. 31, 2012	Mar. 07, 2013	Jun. 30, 2012
Entity Information [Line Items]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	FY
Trading Symbol	FCF
Entity Registrant Name	FIRST COMMONWEALTH FINANCIAL CORP /PA/
Entity Central Index Key	0000712537
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		99,298,120
Entity Public Float			$ 696,275,402

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Retirement Plans - Schedule of Amounts Recognized as Other Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Amounts Recognized in the Statement of Financial Condition as Other liabilities	$ 1,986	$ 1,892

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Other Investments

12 Months Ended

Dec. 31, 2012

Other Investments

Note 10—Other Investments

As a member of the FHLB, First Commonwealth is required to purchase and hold stock in the FHLB to satisfy membership and borrowing requirements. 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 December 31, 2012 and 2011, our FHLB stock totaled $28.2 million and $39.8 million, respectively and is included in “Other investments” on the Consolidated Statements of Financial Condition.

During 2012 and 2011, the FHLB repurchased excess stock from its members by repurchasing the lessor of 5% of the members’ total capital stock outstanding or its total excess capital stock. As a result, during the twelve months ended December 31, 2012 and 2011, $11.6 million and $9.1 million, respectively, of the stock owned by First Commonwealth was repurchased. The FHLB repurchased stock and paid dividends in each quarter of 2012, however, decisions regarding any future repurchase of excess capital stock and dividend payments will be made by the FHLB on a quarterly basis. Management reviewed the FHLB’s Form 10-Q for the period ended September 30, 2012 filed with the SEC on November 7, 2012.

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. The decision of whether impairment exists is a matter of judgment that reflects our view of the FHLB’s long-term performance, which includes factors such as the following:

• its operating performance;

• the severity and duration of declines in the fair value of its net assets related to its capital stock amount;

• its commitment to make payments required by law or regulation and the level of such payments in relation to its operating performance;

• the impact of legislative and regulatory changes on the FHLB, and accordingly, on the members of FHLB; and

• its liquidity and funding position.

After evaluating all of these considerations, First Commonwealth concluded that the par value of its investment in FHLB stock will be recovered. Accordingly, no impairment charge was recorded on these securities for the year ended December 31, 2012. Our evaluation of the factors described above in future periods could result in the recognition of impairment charges on FHLB stock.

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Impairment of Investment Securities - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012 Security Bank	Dec. 31, 2011	Dec. 31, 2010
Schedule of Trading Securities and Other Trading Assets [Line Items]
Non-credit related gains on securities	$ 2,200,000	$ 400,000
Corporate/Mortgage-Backed Securities, Amortized cost	1,169,613,000	1,140,212,000
Corporate/Mortgage-Backed Securities, Estimated fair value	1,171,303,000	1,142,776,000
Gross unrealized loss	28,960,000	32,486,000
Available for sale securities book value	51,866,000
Number of banks and other financial institutions comprising the security	335
Number of pooled securities representing senior tranches	2
Amount of pooled issues that remained above investment grade	2,200,000
Amount of book value of the pooled issues	51,900,000
Collateral issued by financial institutions	15,000,000,000
Estimate of future cash flows prepayment percentage in year three	40.00%
Estimate of future cash flows prepayment percentage thereafter	2.00%
Coupon interest rate	7.00%
Prepayment rate	5.00%
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%
Excess recognized as an adjustment to yield	(1,462,000)	(114,000)	0
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	6.00%
Collateral issued by financial institutions	15,000,000,000
Probabilities for performing collateral range	0.33%
Excess percent value of future cash flows over current book value	13.00%
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	573.00%
Collateral issued by financial institutions	2,000,000,000
Probabilities for performing collateral range	75.00%
Excess percent value of future cash flows over current book value	148.00%
Over fifteen billion [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Prepayment rate	100.00%
Pooled Trust Preferred Collateralized Debt Obligations [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Pooled trust preferred collateralized debt obligations	98.00%
Corporate/Mortgage-Backed Securities, Amortized cost	51,866,000	54,762,000
Corporate/Mortgage-Backed Securities, Estimated fair value	23,373,000	22,980,000
Gross unrealized loss	28,496,000	31,785,000
Nonperforming securities	15,800,000
Obligations of U.S. Government [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Total unrealized losses	2.00%
Equities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Corporate/Mortgage-Backed Securities, Amortized cost	1,859,000	1,860,000
Corporate/Mortgage-Backed Securities, Estimated fair value	1,975,000	1,860,000
Gross unrealized loss	0	0
Impairment recognized on equity securities	0	0
Other than-temporary impairment charge			400,000
Corporate Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Corporate/Mortgage-Backed Securities, Amortized cost	6,700,000	11,800,000
Corporate/Mortgage-Backed Securities, Estimated fair value	7,000,000	11,400,000
Gross unrealized loss		600,000
Trust preferred collateralized debt obligations [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Corporate/Mortgage-Backed Securities, Estimated fair value	23,400,000
Available for sale securities book value	$ 51,900,000
Percentage of Current Performing Collateral	0.00%

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Loans and Allowance for Credit Losses - Troubled Debt Restructured Loans and Commitments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Financing Receivable, Impaired [Line Items]
Accrual status	$ 13,037	$ 20,276	$ 1,336
Nonaccrual status	50,979	44,841	31,410
Total	64,016	65,117	32,746
Letters of credit	1,574	12,580	11,321
Unused lines of credit	0	42	1,095
Total	$ 1,574	$ 12,622	$ 12,416

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CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Interest Income
Interest and fees on loans	$ 187,258	$ 197,456	$ 225,062
Interest and dividends on investments:
Taxable interest	31,695	33,763	37,915
Interest exempt from federal income taxes	12	213	5,216
Dividends	104	49	73
Interest on bank deposits	6	64	94
Total interest income	219,075	231,545	268,360
Interest Expense
Interest on deposits	21,454	33,496	49,845
Interest on short-term borrowings	1,070	728	1,948
Interest on subordinated debentures	5,684	5,568	5,593
Interest on other long-term debt	1,938	1,886	4,213
Total interest on long-term debt	7,622	7,454	9,806
Total interest expense	30,146	41,678	61,599
Net Interest Income	188,929	189,867	206,761
Provision for credit losses	20,544	55,816	61,552
Net Interest Income after Provision for Credit Losses	168,385	134,051	145,209
Noninterest Income
Changes in fair value on impaired securities	2,193	(425)	(2,560)
Noncredit related (gains) losses on securities not expected to be sold (recognized in other comprehensive income)	(2,193)	425	(6,633)
Net impairment losses	0	0	(9,193)
Net securities gains	192	2,185	2,422
Trust income	6,206	6,498	5,897
Service charges on deposit accounts	14,743	14,775	16,968
Insurance and retail brokerage commissions	6,272	6,376	6,369
Income from bank owned life insurance	5,850	5,596	5,331
Gain on sale of assets	4,607	4,155	824
Card related interchange income	13,199	11,968	10,459
Derivative mark to market	755	(6,687)	141
Other income	13,610	12,803	10,016
Total noninterest income	65,434	57,669	49,234
Noninterest Expense
Salaries and employee benefits	86,069	84,669	84,988
Net occupancy expense	13,255	14,069	14,271
Furniture and equipment expense	12,460	12,517	12,568
Data processing expense	7,054	6,027	5,671
Pennsylvania shares tax expense	5,706	5,480	5,455
Intangible amortization	1,467	1,534	2,031
Collection and repossession expense	5,756	7,583	4,430
Other professional fees and services	4,329	5,297	4,131
FDIC insurance	5,032	5,490	7,948
Loss on sale or write-down of assets	7,394	9,428	2,715
Operational losses	4,367	779	581
Other operating expenses	24,318	23,953	26,437
Total noninterest expense	177,207	176,826	171,226
Income before income taxes	56,612	14,894	23,217
Income tax provision (benefit)	14,658	(380)	239
Net Income	$ 41,954	$ 15,274	$ 22,978
Average Shares Outstanding	103,885,396	104,700,227	93,197,225
Average Shares Outstanding Assuming Dilution	103,885,663	104,700,393	93,199,773
Per Share Data:
Basic Earnings Per Share	$ 0.40	$ 0.15	$ 0.25
Diluted Earnings Per Share	$ 0.40	$ 0.15	$ 0.25
Cash Dividends Declared per Common Share	$ 0.18	$ 0.12	$ 0.06

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Supplemental Cash Flow Disclosures

12 Months Ended

Dec. 31, 2012

Supplemental Cash Flow Disclosures

Note 4—Supplemental Cash Flow Disclosures

The following table presents information related to cash paid during the year for interest and income taxes as well as detail on non-cash investing and financing activities for the years ended December 31.

	2012			2011		2010
	(dollars in thousands)
Cash paid during the year for:
Interest	$	31,597		$	43,303	$	63,501
Income taxes		11,641			5,900		2,516
Non-cash investing and financing activities:
ESOP loan reductions		1,600			2,000		2,000
Loans transferred to other real estate owned and repossessed assets		4,979			34,269		11,987
Fair value of loans transferred from held to maturity to available for sale		0			14,235		0
Gross (decrease) increase in market value adjustment to securities available for sale		(874	)		7,107		5,088
Transfer of secruities from held to maturity to available for sale		0			0		22,433

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Supplemental Comprehensive Income Disclosures

12 Months Ended

Dec. 31, 2012

Supplemental Comprehensive Income Disclosures

Note 3—Supplemental Comprehensive Income Disclosures

The following table identifies the related tax effects allocated to each component of other comprehensive income in the Consolidated Statements of Changes in Shareholders’ Equity for the years ended December 31:

	2012									2011									2010
	Pretax Amount			Tax (Expense) Benefit			Net of Tax Amount			Pretax Amount			Tax (Expense) Benefit			Net of Tax Amount			Pretax Amount			Tax (Expense) Benefit			Net of Tax Amount
	(dollars in thousands)
Unrealized gains (losses) on securities:
Unrealized holding (losses) gains on securities arising during the period	$	(2,854	)	$	1,006		$	(1,848	)	$	9,727		$	(3,404	)	$	6,323		$	(8,377	)	$	2,931		$	(5,446	)
Noncredit related gains (losses) on securities not expected to be sold		2,193			(768	)		1,425			(425	)		149			(276	)		6,633			(2,321	)		4,312
Less: reclassification adjustment for (gains) losses on securities included in net income		(192	)		67			(125	)		(2,185	)		765			(1,420	)		6,822			(2,388	)		4,434
Unrealized gains (losses) for postretirement obligations:
Transition obligation		2			(1	)		1			2			(1	)		1			2			(1	)		1
Net (loss) gain		(300	)		105			(195	)		(260	)		91			(169	)		440			(154	)		286
Total other comprehensive (loss) income	$	(1,151	)	$	409		$	(742	)	$	6,859		$	(2,400	)	$	4,459		$	5,520		$	(1,933	)	$	3,587

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Condensed Financial Information of First Commonwealth Financial Corporation (Parent Company Only) - Statements of Financial Condition (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Assets
Loans to affiliated parties	$ 1,733	$ 551
Premises and equipment, net	68,970	66,755
Other assets	141,872	156,086
Total assets	5,995,390	5,841,122
Liabilities and Shareholders' Equity
Subordinated debentures payable	105,750	105,750
Shareholders' equity	746,007	758,543	749,777	638,811
Total liabilities and shareholders' equity	5,995,390	5,841,122
Parent [Member]
Assets
Cash	19,493	6,376
Loans to affiliated parties	30	34
Investment in subsidiaries	736,165	751,702
Investment in unconsolidated subsidiary trusts	3,291	3,291
Investment in jointly-owned company	8,347	8,007
Premises and equipment, net	9,347	14,196
Recievable from subsidiaries	1,583	2,545
Dividends receivable	1,205	0
Other assets	76,715	85,833
Total assets	856,176	871,984
Liabilities and Shareholders' Equity
Accrued expenses and other liabilities	4,419	6,091
Loans payable	0	1,600
Subordinated debentures payable	105,750	105,750
Shareholders' equity	746,007	758,543
Total liabilities and shareholders' equity	$ 856,176	$ 871,984

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Premises and Equipment

12 Months Ended

Dec. 31, 2012

Premises and Equipment

Note 15—Premises and Equipment

Premises and equipment are described as follows:

	Estimated Useful Life	2012		2011
	(dollars in thousands)
Land	Indefinite	$	12,503	$	12,513
Buildings and improvements	10-50 years		81,328		81,072
Leasehold improvements	5-40 years		14,617		14,536
Furniture and equipment	3-10 years		79,181		79,722
Software	3-10 years		40,199		33,479
Subtotal			227,828		221,322
Less accumulated depreciation and amortization			158,858		154,567
Total premises and equipment		$	68,970	$	66,755

Depreciation related to premises and equipment included in noninterest expense for the years ended December 31, 2012, 2011 and 2010 amounted to $7.9 million, $8.3 million and $8.6 million, respectively.

First Commonwealth leases various premises and assorted equipment under non-cancelable agreements. Total future minimal rental commitments at December 31, 2012, were as follows:

	Premises		Equipment
	(dollars in thousands)
2013	$	3,341	$	207
2014		3,166		18
2015		2,979		0
2016		2,795		0
2017		2,544		0
Therafter		17,070		0
Total	$	31,895	$	225

Included in the lease commitments above is $431 thousand in lease payments to be paid under a sale-leaseback arrangement. The sale-leaseback transaction occurred in 2005 and resulted in a gain of $297 thousand on the sale of a branch that is being recognized over the 15 year lease term through 2020.

Increases in utilities and taxes that may be passed on to the lessee under the terms of various lease agreements are not reflected in the above table. However, certain lease agreements provide for increases in rental payments based upon historical increases in the consumer price index or the lessor’s cost of operating the facility, and are included in the minimum lease commitments. Additionally, the table above includes rent expense that is recognized for rent holidays and during construction periods. Total lease expense amounted to $4.3 million in 2012, and $4.4 million in both 2011 and 2010.

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Impairment of Investment Securities

12 Months Ended

Dec. 31, 2012

Impairment of Investment Securities

Note 11—Impairment of Investment Securities

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 other comprehensive income (“OCI”). During the years ended December 31, 2012 and 2011, no other-than-temporary impairment charges were recognized. For the year ended December 31, 2012, $2.2 million in non-credit related gains on our trust preferred collateralized debt obligations that were determined to be impaired in previous periods was recorded in OCI. For the year ended December 31, 2011, $0.4 million in non-credit related losses for the same pool of securities was recorded in OCI. All of the securities for which other-than-temporary impairment was recorded were classified as available-for-sale securities.

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.

In the Consolidated Statements of Income, the “Changes in fair value on impaired securities” line represents the change in fair value of securities impaired in the current or previous periods. The change in fair value includes both non-credit and credit related gains or losses. Credit related losses occur when the entire amortized cost of the security will not be recovered. The “Noncredit related (gains) losses on securities not expected to be sold (recognized in other comprehensive income)” line represents the gains and losses on the securities resulting from factors other than credit. The noncredit related gain or loss is disclosed in the Consolidated Statements of Income and recognized through other comprehensive income. The “Net impairment losses” line represents the credit related losses recognized in total noninterest income for the related period.

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 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 determine 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 21 “Fair Values of Assets and Liabilities” for additional information.

The following table presents the gross unrealized losses and estimated fair values at December 31, 2012 by investment category and time frame for which the 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	$	0	$	0		$	13	$	0	(a)	$	13	$	0
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities—Residential		76,296		(392	)		21		0	(a)		76,317		(392	)
Mortgage-Backed Securities—Commercial		0		0			0		0			0		0
Other Government-Sponsored Enterprises		59,303		(72	)		0		0			59,303		(72	)
Obligations of States and Political Subdivisions		0		0			0		0			0		0
Corporate Securities		0		0			0		0			0		0
Pooled Trust Preferred Collateralized Debt Obligations		0		0			23,316		(28,496	)		23,316		(28,496	)
Total Securities Available for Sale	$	135,599	$	(464	)	$	23,350	$	(28,496	)	$	158,949	$	(28,960	)

(a) Gross unrealized losses related to these types of securities are less than $1 thousand.

At December 31, 2012, pooled trust preferred collateralized debt obligations accounted for 98% of unrealized losses, while fixed income securities issued by U.S. Government-sponsored enterprises comprised 2% of total unrealized losses.

The following table presents the gross unrealized losses and estimated fair value at December 31, 2011 for available-for-sale and securities by investment category and time frame for which the securities had 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	$	1,086	$	(6	)	$	16	$	0	(a)	$	1,102	$	(6	)
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities—Residential		25		0	(a)		0		0			25		0
Mortgage-Backed Securities—Commercial		151		(1	)		0		0			151		(1	)
Other Government-Sponsored Enterprises		55,969		(132	)		0		0			55,969		(132	)
Obligations of States and Political Subdivisions		0		0			0		0			0		0
Corporate Securities		4,536		(562	)		0		0			4,536		(562	)
Pooled Trust Preferred Collateralized Debt Obligations		0		0			22,927		(31,785	)		22,927		(31,785	)
Total Securities Available for Sale	$	61,767	$	(701	)	$	22,943	$	(31,785	)	$	84,710	$	(32,486	)

As of December 31, 2012, our corporate securities had an amortized cost and estimated fair value of $6.7 million and $7.0 million, respectively, and were comprised of single issue trust preferred securities issued primarily by money center and large regional banks. As of December 31, 2011, the same portion of the portfolio had an amortized cost of $11.8 million and an estimated fair value of $11.4 million. There were no corporate securities in an unrealized loss position as of December 31, 2012, while as of December 31, 2011, there were $0.6 million in unrealized losses related to these securities. When unrealized losses exist, management reviews each of the issuer’s asset quality, earnings trend 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 December 31, 2012, the book value of our pooled trust preferred collateralized debt obligations totaled $51.9 million with an estimated fair value of $23.4 million, which includes securities comprised of 335 banks and other financial institutions. Two of our pooled securities are senior tranches and the remainder are mezzanine tranches, four of which have no senior class remaining in the issue. Two of the pooled issues, representing $2.2 million of the $51.9 million book value, remain above 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 December 31, 2012, after taking into account management’s best estimates of future interest deferrals and defaults, seven of our securities had no excess subordination in the tranches we own and six of our securities had excess subordination which ranged from 6% to 573% of the current performing collateral.

The following table provides additional information related to our pooled trust preferred collateralized debt obligations as of December 31, 2012:

Deal	Class	Book Value		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 I	Senior	$	1,009	$	1,005	$	(4	)	Aa3/A		17		33.33	%		159.27	%
Pre TSL IV	Mezzanine		1,830		1,111		(719	)	Caa2/CCC		6		27.07			91.00
Pre TSL V	Mezzanine		54		57		3		C/-		3		100.00			0.00
Pre TSL VII	Mezzanine		3,654		3,326		(328	)	Ca/C		16		48.92			0.00
Pre TSL VIII	Mezzanine		1,833		1,007		(826	)	C/C		32		52.99			0.00
Pre TSL IX	Mezzanine		2,268		943		(1,325	)	Ca/C		46		25.50			13.32
Pre TSL X	Mezzanine		1,388		1,165		(223	)	Ca/C		50		35.24			0.00
Pre TSL XII	Mezzanine		5,508		2,531		(2,977	)	Ca/C		71		35.35			0.00
Pre TSL XIII	Mezzanine		12,571		4,456		(8,115	)	Ca/C		63		36.87			6.48
Pre TSL XIV	Mezzanine		13,188		4,783		(8,405	)	Ca/C		61		38.97			29.37
MMCap I	Senior		1,220		1,193		(27	)	A3/A		17		50.26			573.29
MMCap I	Mezzanine		867		466		(401	)	Ca/C		17		50.26			0.00
MM Comm IX	Mezzanine		6,476		1,330		(5,146	)	Ca/CC		29		42.41			0.00
Total		$	51,866	$	23,373	$	(28,493	)

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

On a quarterly basis we evaluate our debt securities for other-than-temporary impairment. For the year ended December 31, 2012, 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.

As of December 31, 2012 and 2011, none of the pooled trust preferred collateralized debt obligations were considered to be nonperforming securities, compared to $15.8 million which were considered nonperforming at December 31, 2010. These securities were returned to performing status in 2011 because of evidence supporting management’s estimate of future cash flows indicating that all remaining principal and interest will be received. Support for these estimates include: no other-than-temporary impairment charges have been recorded since the third quarter of 2010, improvement in the underlying collateral of these bonds evidenced by a reduced level of new interest payment deferrals and principal defaults as well as an increase in actual cures of deferring collateral.

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 December 31, 2012. 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 issuers 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 335 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 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 December 31, 2012, 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 which 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 allows 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 December 31, 2012, indicates that no credit related other-than-temporary impairment has occurred on our pooled trust preferred securities during the year ended December 31, 2012. Based upon the analysis performed by management, it is probable that seven of our pooled trust preferred securities are expected to experience contractual principal and interest shortfalls and therefore appropriate other-than-temporary impairment charges were recorded in prior periods. These securities are identified in the table on page 76 with 0% “Excess Subordination as a % of Current Performing Collateral.” For the remaining securities in the table, our analysis as of December 31, 2012 indicates it is probable that we will collect all contractual principal and interest payments. For two of those securities, PreTSL IX and PreTSL XIV, 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 I, PreTSL IV and MMCap I-Senior. Our cash flow analysis as of December 31, 2012, 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 our current book value being below the present value of estimated future principal and interest payments. The excess for each bond of the present value of future cash flows over our current book value ranges from 13% to 148% and will be recognized as an adjustment to yield over the remaining life of these securities. During the year ended December 31, 2012, $1.5 million of the excess was recognized as an adjustment to yield on these securities.

The table below provides a cumulative roll forward of credit losses recognized in earnings for debt securities held and not intended to be sold for the years ended December 31:

	2012			2011			2010
	(dollars in thousands)
Balance, beginning (a)	$	44,736		$	44,850		$	36,161
Credit losses on debt securities for which other-than-temporary impairment was not previously recognized		0			0			0
Additional credit losses on debt securities for which other-than-temporary impairment was previously recognized		0			0			8,689
Increases in cash flows expected to be collected, recognized over the remaining life of the security (b)		(1,462	)		(114	)		0
Balance, ending	$	43,274		$	44,736		$	44,850

(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.

On a quarterly basis, management evaluates equity securities for other-than-temporary impairment. For the years ended December 31, 2012 and 2011, there was no impairment recognized on equity securities. In 2010, $0.4 million in other than-temporary impairment charges were recognized on equity securities related to three Pennsylvania based financial institutions. When evaluating equity investments for other-than-temporary impairment we review 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. There were no equity securities in an unrealized loss position as of December 31, 2012 and 2011.

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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, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Impairment Of Investment Securities [Line Items]
Balance, beginning	$ 44,736	$ 44,850	$ 36,161
Credit losses on debt securities for which other-than-temporary impairment was not previously recognized	0	0	0
Additional credit losses on debt securities for which other-than- temporary impairment was previously recognized	0	0	8,689
Increases in cash flows expected to be collected, recognized over the remaining life of the security	(1,462)	(114)	0
Balance, ending	$ 43,274	$ 44,736	$ 44,850

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Derivatives

12 Months Ended

Dec. 31, 2012

Derivatives

Note 7—Derivatives

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 of given default for all counterparties.

We have nine 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.

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

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 at December 31:

	2012			2011
	(dollars in thousands)
Credit value adjustment	$	(2,207	)	$	(2,963	)
Notional Amount:
Interest rate derivatives		223,448			187,368
Risk participation agreements		71,390			128,098
Sold credit protection on risk participation agreements		0			(22,147	)

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 Consolidated Statements of Income for the years ended December 31:

	2012		2011			2010
	(dollars in thousands)
Non-hedging interest rate derivatives:
Increase (decrease) in other income	$	755	$	(6,687	)	$	141

The 2012 increase in other income can be attributed to a $1.4 million reduction in credit risk on one interest rate swap as a result of improvement in the credit rating of the counterparty (loan customer). Of the total $6.7 million in credit risk expense recognized in 2011, $4.4 million relates to two interest rate swaps that were terminated during 2011. The fair value of our derivatives is included in a table in Note 21 “Fair Values of Assets and Liabilities,” in the line items “Other assets” and “Other liabilities.”

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Incentive Compensation Plan (Tables)

12 Months Ended

Dec. 31, 2012

Unvested Service-Based Restricted Stock Awards

A summary of the status of First Commonwealth’s unvested service-based restricted stock awards as of December 31 and changes for the years ended on those dates is presented below:

	2012					2011					2010
	Shares			Weighted Average Grant Date Fair Value		Shares			Weighted Average Grant Date Fair Value		Shares			Weighted Average Grant Date Fair Value
Outstanding, beginning of the year		50,060		$	6.00		34,338		$	6.52		20,103		$	11.53
Granted		224,000			5.65		35,000			6.13		30,120			5.70
Vested		(17,060	)		5.73		(19,278	)		7.16		(15,885	)		11.32
Forfeited		(4,000	)		5.96		0			0.00		0			0.00
Outstanding, end of the year		253,000			5.71		50,060			6.00		34,338			6.52

Unvested Target Award

The following table summarizes the unvested target awards for the Plans as of December 31:

	2012					2011
	Shares			Weighted Average Grant Date Fair Value		Shares			Weighted Average Grant Date Fair Value
Outstanding, beginning of the year		93,333		$	7.03		0		$	0.00
Granted		74,000			5.96		126,000			7.03
Vested		0			0.00		0			0.00
Forfeited		(16,000	)		6.63		(32,667	)		7.03
Outstanding, end of the year		151,333			6.55		93,333			7.03

Outstanding Stock Options

A summary of the status of First Commonwealth’s outstanding stock options as of December 31 and changes for the years ended on those dates is presented below:

	2012					2011					2010
	Shares			Weighted Average Exercise Price		Shares			Weighted Average Exercise Price		Shares			Weighted Average Exercise Price
Outstanding, beginning of the year		496,863		$	10.03		640,866		$	10.05		728,552		$	10.18
Granted		0			0.00		0			0.00		0			0.00
Exercised		(130,672	)		6.76		(13,760	)		5.29		0			0.00
Forfeited		(169,869	)		10.68		(130,243	)		10.61		(87,686	)		11.19
Balance, end of the year		196,322			11.64		496,863			10.03		640,866			10.05
Exercisable at the end of the year		196,322			11.64		496,863			10.03		640,866			10.05

Components of Stock Options Outstanding

The following table summarizes information about the stock options outstanding at December 31, 2012:

	Options Outstanding						Options Exercisable
Range of Exercise Prices	Number Outstanding		Weighted Average Remaining Contract Life		Weighted Average Exercise Price		Number Exercisable		Weighted Average Exercise Price
$9.00 - $9.99		50,087		0.4	$	9.27		50,087	$	9.27
$10.00 - $10.99		4,954		0.9		10.46		4,954		10.46
$12.00 - $15.00		141,281		0.3		12.52		141,281		12.52
Total		196,322		0.3		11.64		196,322		11.64

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Other Long-term Debt - Additional Information (Detail) (FHLB [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Loan advance amount	7.5
LIBOR [Member]
Floating rate Period	3 month

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Earnings per Share

12 Months Ended

Dec. 31, 2012

Earnings per Share

Note 5—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 computation for the years ending December 31:

	2012			2011			2010
Weighted average common shares issued		105,563,455			105,550,310			94,388,523
Average treasury shares		(1,456,953	)		(657,633	)		(828,523	)
Averaged unearned ESOP shares		(38,393	)		(165,010	)		(319,726	)
Average unearned nonvested shares		(182,713	)		(27,440	)		(43,049	)
Weighted average common shares and common stock equivalents used to calculate basic earnings per share		103,885,396			104,700,227			93,197,225
Additional common stock equivalents (nonvested stock) used to calculate diluted earnings per share		171			119			0
Additional common stock equivalents (stock options) used to calculate diluted earnings per share		96			47			2,548
Weighted average common shares and common stock equivalents used to calculate diluted earnings per share		103,885,663			104,700,393			93,199,773

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 years ended December 31, because to do so would have been anti-dilutive.

	2012						2011						2010
			Price Range						Price Range						Price Range
	Shares		From		To		Shares		From		To		Shares		From		To
Stock Options		268,630	$	6.90	$	14.55		496,863	$	6.36	$	14.55		610,594	$	6.36	$	14.55
Restricted Stock		163,509		5.26		6.82		22,502		5.70		6.82		17,370		5.70		12.35

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Cash and Due from Banks

12 Months Ended

Dec. 31, 2012

Cash and Due from Banks

Note 6—Cash and Due from Banks

Regulations of the Board of Governors of the Federal Reserve System impose uniform reserve requirements on all depository institutions with transaction accounts, such as checking accounts and NOW accounts. Reserves are maintained in the form of vault cash or balances held with the Federal Reserve Bank. First Commonwealth Bank maintained average balances of $3.6 million during 2012 and $26.0 million during 2011 with the Federal Reserve Bank.

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Incentive Compensation Plan - Outstanding Stock Options (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding, beginning of the year, Shares	496,863	640,866	728,552
Granted, Shares	0	0	0
Exercised, Shares	(130,672)	(13,760)	0.00
Forfeited, Shares	(169,869)	(130,243)	(87,686)
Balance, end of the year, Shares	196,322	496,863	640,866
Exercisable at the end of the year, Shares	196,322	496,863	640,866
Outstanding, beginning of the year, Weighted Average Exercise Price	$ 10.03	$ 10.05	$ 10.18
Granted, Weighted Average Exercise Price	$ 0.00	$ 0.00	$ 0.00
Exercised, Weighted Average Exercise Price	$ 6.76	$ 5.29	$ 0.00
Forfeited, Weighted Average Exercise Price	$ 10.68	$ 10.61	$ 11.19
Balance, end of the year, Weighted Average Exercise Price	$ 11.64	$ 10.03	$ 10.05
Exercisable at the end of the year, Weighted Average Exercise Price	$ 11.64	$ 10.03	$ 10.05

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Securities Available for Sale

12 Months Ended

Dec. 31, 2012

Securities Available for Sale

Note 8—Securities Available for Sale

Below is an analysis of the amortized cost and fair values of securities available for sale at December 31:

	2012									2011
	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	$	27,883	$	3,781	$	0		$	31,664	$	32,139	$	4,061	$	(6	)	$	36,194
Obligations of U.S. Government-Sponsored Enterprises:
Mortgage-Backed Securities—Residential		839,102		25,691		(392	)		864,401		771,196		29,835		0			801,031
Mortgage-Backed Securities—Commercial		148		1		0			149		193		1		(1	)		193
Other Government—Sponsored Enterprises		241,970		766		(72	)		242,664		267,807		973		(132	)		268,648
Obligations of States and Political Subdivisions		82		4		0			86		444		15		0			459
Corporate Securities		6,703		288		0			6,991		11,811		162		(562	)		11,411
Pooled Trust Preferred Collateralized Debt Obligations		51,866		3		(28,496	)		23,373		54,762		3		(31,785	)		22,980
Total Debt Securities		1,167,754		30,534		(28,960	)		1,169,328		1,138,352		35,050		(32,486	)		1,140,916
Equities		1,859		116		0			1,975		1,860		0		0			1,860
Total Securities Available for Sale	$	1,169,613	$	30,650	$	(28,960	)	$	1,171,303	$	1,140,212	$	35,050	$	(32,486	)	$	1,142,776

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 effects on earnings and interest rate risk positions.

During 2012, $5.1 million in single issue trust preferred securities and $0.2 million in pooled trust preferred securities were called by their issuers, providing security gains of $0.2 million.

In 2011, $5.2 million in single issue trust preferred securities and $1.2 million in corporate debentures owned by a non-bank subsidiary of First Commonwealth were sold in order to reinvest the proceeds in more liquid assets for that subsidiary. The amounts sold represent the subsidiaries entire portfolio of these investments and resulted in a net gain of $0.3 million. Additionally, $3.0 million in single issue trust preferred securities held by another subsidiary were called, resulting in a gain of $0.1 million. Also during 2011, the Company executed its strategy to liquidate its obligations of states and political subdivisions in order to mitigate future credit risk and improve its tax position. Investments in obligations of states and political subdivisions totaled $0.5 million and $47.8 million as of December 31, 2011 and 2010, respectively. This decline is a result of $4.2 million in maturities and $42.5 million in sales which provided $0.3 million in recognized gains. At December 31, 2012 and 2011, investments in obligations of states and political subdivisions had an amortized cost of $82 thousand and $0.4 million, respectively, and were classified as available for sale. None of these securities were in an unrealized loss position.

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 fair value of debt securities at December 31, 2012, by contractual maturity, are shown below:

	Amortized Cost		Estimated Fair Value
	(dollars in thousands)
Due within 1 year	$	0	$	0
Due after 1 but within 5 years		242,052		242,750
Due after 5 but within 10 years		0		0
Due after 10 years		58,569		30,364
		300,621		273,114
Mortgage-Backed Securities (a)		867,133		896,214
Total debt securities	$	1,167,754	$	1,169,328

(a) Mortgage Backed Securities include an amortized cost of $28 million and a fair value of $32 million for Obligations of U.S. Government agencies issued by Ginnie Mae and Obligations of U.S. Government-sponsored enterprises issued by Fannie Mae and Freddie Mac which had an amortized cost of $839 million and a fair value of $864 million.

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

	2012		2011			2010
	(dollars in thousands)
Proceeds from sale	$	0	$	76,914		$	143,503
Gross gains (losses) realized:
Sales Transactions:
Gross gains	$	0	$	2,368		$	2,892
Gross losses		0		(258	)		(790	)
		0		2,110			2,102
Maturities, calls and impairment:
Gross gains		192		75			270
Gross losses		0		0			0
Other-than-temporary impairment		0		0			(9,193	)
		192		75			(8,923	)
Net gains (losses) and impairment	$	192	$	2,185		$	(6,821	)

Securities available for sale with an approximate fair value of $631.0 million and $668.8 million were pledged as of December 31, 2012 and 2011, respectively, to secure public deposits and for other purposes required or permitted by law.

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Statement of Accounting Policies - Additional Information (Detail) (USD $)	12 Months Ended			12 Months Ended
	Dec. 31, 2012 Y Segment	Dec. 31, 2012 Future death benefit [Member]	Dec. 31, 2011 Future death benefit [Member]	Dec. 31, 2012 Software license [Member] Y
Summary Of Significant Accounting Policies [Line Items]
Business segments	1
Equity investments	20.00%
Loans past due days	90 days
Excess impaired credits	$ 100,000
Other liabilities		$ 3,800,000	$ 3,600,000
Software purchases and developed are capitalized and amortized on straight-line basis	7			10

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Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Taxes Disclosure [Line Items]
Federal statutory rate	35.00%	35.00%	35.00%
Annual effective income tax rate, percentage	26.00%	(3.00%)	1.00%
Net deferred tax asset	$ 64,132,000	$ 66,272,000
Alternative minimum tax credit carryforward	13,026,000	15,247,000
Deferred tax asset for other-than-temporary impairment of securities	15,233,000	15,764,000
Capital losses	300,000
Future taxable income	$ 170,600,000

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Loans and Allowance for Credit Losses - Outstanding Balances of Loan (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 4,204,704	$ 4,043,643	$ 4,218,083
Commercial, financial, agricultural and other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,019,822	996,739
Real estate construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	87,438	76,564
Residential real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,241,565	1,137,059
Commercial real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,273,661	1,267,432
Loans to individuals [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 582,218	$ 565,849

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Supplemental Cash Flow Disclosures - Non-cash Investing and Financing Activities (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash paid during the year for:
Interest	$ 31,597	$ 43,303	$ 63,501
Income taxes	11,641	5,900	2,516
Non-cash investing and financing activities:
ESOP loan reductions	1,600	2,000	2,000
Loans transferred to other real estate owned and repossessed assets	4,979	34,269	11,987
Fair value of loans transferred from held to maturity to available for sale	0	14,235	0
Gross (decrease) increase in market value adjustment to securities available for sale	(874)	7,107	5,088
Transfer of securities from held to maturity to available for sale	$ 0	$ 0	$ 22,433

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Interest-Bearing Deposits - Components of Interest-Bearing Deposits (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Interest Bearing Time Deposits In Banks And Securities [Line Items]
Interest-bearing demand deposits	$ 97,963	$ 95,945
Savings deposits	2,543,990	2,430,802
Time deposits	1,032,659	1,197,560
Total interest-bearing deposits	$ 3,674,612	$ 3,724,307

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Condensed Financial Information of First Commonwealth Financial Corporation (parent company only) (Tables)

12 Months Ended

Dec. 31, 2012

Statements of Financial Condition

Statements of Financial Condition	December 31,
	2012		2011
	(dollars in thousands)
Assets
Cash	$	19,493	$	6,376
Loans to affiliated parties		30		34
Investment in subsidiaries		736,165		751,702
Investment in unconsolidated subsidiary trusts		3,291		3,291
Investment in jointly-owned company		8,347		8,007
Premises and equipment, net		9,347		14,196
Recievable from subsidiaries		1,583		2,545
Dividends receivable		1,205		0
Other assets		76,715		85,833
Total assets	$	856,176	$	871,984
Liabilities and Shareholders’ Equity
Accrued expenses and other liabilities	$	4,419	$	6,091
Loans payable		0		1,600
Subordinated debentures payable		105,750		105,750
Shareholders’ equity		746,007		758,543
Total liabilities and shareholders’ equity	$	856,176	$	871,984

Statements of Operations

Statements of Operations	2012			2011			2010
	(dollars in thousands)
Interest and dividends	$	1		$	1		$	1
Dividends from subsidiaries		64,342			10,321			3,190
Interest expense		(5,711	)		(5,605	)		(5,658	)
Other income		12,581			30,595			28,789
Operating expense		(19,061	)		(44,057	)		(42,786	)
Income (loss) before taxes and equity in undistributed earnings of subsidiaries		52,152			(8,745	)		(16,464	)
Applicable income tax benefits		4,364			6,618			6,790
Income (loss) before equity in undistributed earnings of subsidiaries		56,516			(2,127	)		(9,674	)
Equity in undistributed (loss) earnings of subsidiaries		(14,562	)		17,401			32,652
Net income	$	41,954		$	15,274		$	22,978

Statements of Cash Flow

Statements of Cash Flow	2012			2011			2010
	(dollars in thousands)
Operating Activities
Net income	$	41,954		$	15,274		$	22,978
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		3,719			3,730			3,658
Net gain on sales of assets		(107	)		(1,069	)		(3	)
(Increase) decrease in prepaid income taxes		(3,044	)		0			23
Undistributed equity in subsidiaries		14,562			(17,401	)		(32,652	)
Other net		8,789			1,649			9,029
Net cash provided by operating activities		65,873			2,183			3,033
Investing Activities
Net change in loans to affiliated parties		4			5			7
Purchases of premises and equipment		(3,005	)		(5,736	)		(3,026	)
Proceeds from sale of other assets		4,309			1,461			15
Additional investment in subsidiary		0			0			(70,000	)
Net cash provided by (used in) investing activities		1,308			(4,270	)		(73,004	)
Financing Activities
Proceeds from issuance of common stock		0			144			83,913
Discount on dividend reinvestment plan purchases		(92	)		(63	)		(33	)
Dividends paid		(18,759	)		(12,558	)		(5,306	)
Proceeds from reissuance of treasury stock		1,028			72			4,248
Purchase of treasury stock		(36,242	)		(9	)		(9	)
Stock option tax benefit		1			6			0
Net cash (used in) provided by financing activities		(54,064	)		(12,408	)		82,813
Net increase (decrease) in cash		13,117			(14,495	)		12,842
Cash at beginning of year		6,376			20,871			8,029
Cash at end of year	$	19,493		$	6,376		$	20,871

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Loans and Allowance for Credit Losses - Allowance for Credit Losses (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	$ 61,234,000	$ 71,229,000	$ 81,639,000
Charge-offs	(16,969,000)	(68,293,000)	(75,309,000)
Recoveries	2,378,000	2,482,000	3,347,000
Provision	20,544,000	55,816,000	61,552,000
Ending Balance	67,187,000	61,234,000	71,229,000
Ending balance: individually evaluated for impaired	17,778,000	13,236,000	23,907,000
Ending balance: collectively evaluated for impaired	49,409,000	47,998,000	47,322,000
Ending balance	4,204,704,000	4,043,643,000	4,218,083,000
Ending balance: individually evaluated for impaired	100,187,000	94,744,000	113,874,000
Ending balance: collectively evaluated for impaired	4,104,517,000	3,948,899,000	4,104,209,000
Commercial, financial, agricultural and other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	18,200,000	21,700,000	31,369,000
Charge-offs	(5,207,000)	(7,114,000)	(22,293,000)
Recoveries	443,000	473,000	2,409,000
Provision	6,416,000	3,141,000	10,215,000
Ending Balance	19,852,000	18,200,000	21,700,000
Ending balance: individually evaluated for impaired	10,331,000	9,069,000	6,709,000
Ending balance: collectively evaluated for impaired	9,521,000	9,131,000	14,991,000
Ending balance	1,019,822,000	996,739,000	913,814,000
Ending balance: individually evaluated for impaired	33,443,000	37,639,000	25,694,000
Ending balance: collectively evaluated for impaired	986,379,000	959,100,000	888,120,000
Real estate construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	6,756,000	18,002,000	18,224,000
Charge-offs	(3,601,000)	(28,886,000)	(41,483,000)
Recoveries	582,000	955,000	0
Provision	5,191,000	16,685,000	41,261,000
Ending Balance	8,928,000	6,756,000	18,002,000
Ending balance: individually evaluated for impaired	300,000	2,960,000	11,855,000
Ending balance: collectively evaluated for impaired	8,628,000	3,796,000	6,147,000
Ending balance	87,438,000	76,564,000	261,482,000
Ending balance: individually evaluated for impaired	11,177,000	14,667,000	44,485,000
Ending balance: collectively evaluated for impaired	76,261,000	61,897,000	216,997,000
Residential real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	8,237,000	5,454,000	5,847,000
Charge-offs	(3,828,000)	(4,107,000)	(5,226,000)
Recoveries	422,000	132,000	252,000
Provision	1,077,000	6,758,000	4,581,000
Ending Balance	5,908,000	8,237,000	5,454,000
Ending balance: individually evaluated for impaired	780,000	93,000	56,000
Ending balance: collectively evaluated for impaired	5,128,000	8,144,000	5,398,000
Ending balance	1,241,565,000	1,137,059,000	1,127,273,000
Ending balance: individually evaluated for impaired	6,444,000	2,606,000	832,000
Ending balance: collectively evaluated for impaired	1,235,121,000	1,134,453,000	1,126,441,000
Commercial real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	18,961,000	16,913,000	17,526,000
Charge-offs	(851,000)	(24,861,000)	(2,466,000)
Recoveries	410,000	349,000	163,000
Provision	3,921,000	26,560,000	1,690,000
Ending Balance	22,441,000	18,961,000	16,913,000
Ending balance: individually evaluated for impaired	6,367,000	1,114,000	5,287,000
Ending balance: collectively evaluated for impaired	16,074,000	17,847,000	11,626,000
Ending balance	1,273,661,000	1,267,432,000	1,354,074,000
Ending balance: individually evaluated for impaired	49,123,000	39,832,000	42,863,000
Ending balance: collectively evaluated for impaired	1,224,538,000	1,227,600,000	1,311,211,000
Loans to individuals [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	4,244,000	4,215,000	4,731,000
Charge-offs	(3,482,000)	(3,325,000)	(3,841,000)
Recoveries	521,000	573,000	523,000
Provision	2,849,000	2,781,000	2,802,000
Ending Balance	4,132,000	4,244,000	4,215,000
Ending balance: individually evaluated for impaired	0	0	0
Ending balance: collectively evaluated for impaired	4,132,000	4,244,000	4,215,000
Ending balance	582,218,000	565,849,000	561,440,000
Ending balance: individually evaluated for impaired	0	0	0
Ending balance: collectively evaluated for impaired	582,218,000	565,849,000	561,440,000
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	4,836,000	4,945,000	3,942,000
Charge-offs	0	0	0
Recoveries	0	0	0
Provision	1,090,000	(109,000)	1,003,000
Ending Balance	5,926,000	4,836,000	4,945,000
Ending balance: individually evaluated for impaired	0	0	0
Ending balance: collectively evaluated for impaired	$ 5,926,000	$ 4,836,000	$ 4,945,000

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Retirement Plans - Schedule of Impact of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Effect on total of service and interest cost components, One-Percentage-Point Increase	$ 65
Effect on postretirement benefit obligation, One-Percentage-Point Increase	2
Effect on total of service and interest cost components, One-Percentage-Point Decrease	(59)
Effect on postretirement benefit obligation, One-Percentage-Point Decrease	$ (2)

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Contingent Liabilities

12 Months Ended

Dec. 31, 2012

Contingent Liabilities

Note 26—Contingent Liabilities

Legal proceedings

McGrogan v. First Commonwealth Bank is a class action that was filed on January 12, 2009, in the Court of Common Pleas of Allegheny County, Pennsylvania. The action alleges that First Commonwealth Bank (the “Bank”) promised class members a minimum interest rate of 8% on its IRA Market Rate Savings Account for as long as the class members kept their money on deposit in the IRA account. The class asserts that the Bank committed fraud, breached its modified contract with the class members, and violated the Pennsylvania Unfair Trade Practice and Consumer Protection Law when it resigned as custodian of the IRA Market Rate Savings Accounts in 2008 and offered the class members a roll-over IRA account with a 3.5% interest rate. At that time, there were 237 account holders with an average age of 64, and the aggregate balances in the IRA Market Rate Savings accounts totaled approximately $11.5 million. Plaintiffs seek monetary damages for the alleged breach of contract, punitive damages for the alleged fraud and Unfair Trade Practice and Consumer Protection Law violations and attorney’s fees. On July 27, 2011, the court granted class certification as to the breach of modified contract claim and denied class certification as to the fraud and Pennsylvania Unfair Trade Practice and Consumer Protection Law claims. The breach of contract claim is predicated upon a letter sent to customers in 1998 which reversed an earlier decision by the Bank to reduce the rate paid on the accounts. The letter stated, in relevant part, “This letter will serve as notification that a decision has been made to re-establish the rate on your account to eight percent (8%). This rate will be retroactive to your most recent maturity date and will continue going forward on deposits presently in the account and on annual additions.” On August 30, 2012, the Court entered an order granting the Bank’s motion for summary judgment and dismissing the class action claims. The Court found that the Bank retained the right to resign as custodian of the accounts and that the act of resigning as custodian and closing the accounts did not breach the terms of the underlying IRA contract. The Plaintiffs have filed an appeal with the Pennsylvania Superior Court.

Other matters

There are no other material legal proceedings to which First Commonwealth or its subsidiaries are a party, or of which their property is the subject, except proceedings which arise in the normal course of business and, in the opinion of management, will not have a material adverse effect on the consolidated operations or financial position of First Commonwealth or its subsidiaries.

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Capital - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended	12 Months Ended
	Jun. 19, 2012	Sep. 30, 2010	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Jun. 30, 2009 Dividend Reinvestment Plan [Member]
Announcement of common stock repurchase program	$ 50,000,000
Repurchase of shares			5,662,083
Average price per share			$ 6.62
Shares issued in public offering		18,543,750					5,000,000
Common stock, par value		$ 4.65
Public offering, additional capital		86,200,000	0	144,000	83,913,000
Stock offering capitalized		4,800,000
Net proceeds from capitalization		81,400,000
Shares issued under reinvestment plan					1,116,810
Treasury stock acquired, shares					745,912	97,905
Treasury stock reissued			$ 1,028,000	$ 72,000	$ 4,248,000	$ 400,000

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Goodwill and Other Amortizing Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Summarized Other Intangible Assets

The following table summarizes other intangible assets, which for each year includes only core deposit intangibles:

	Gross Intangible Assets		Accumulated Amortization			Net Intangible Assets
	(dollars in thousands)
December 31, 2012	$	22,470	$	(20,095	)	$	2,375
December 31, 2011	$	22,470	$	(18,627	)	$	3,843

Estimated Amortization Expense of Core Deposit Intangibles

The following presents the estimated amortization expense of core deposit intangibles:

	Core Deposit Intangibles
	(dollars in thousands)
2013	$	1,064
2014		615
2015		337
2016		177
2017		62
Therafter		120
Total	$	2,375

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Variable Interest Entities

12 Months Ended

Dec. 31, 2012

Variable Interest Entities

Note 13—Variable Interest Entities

As defined by FASB ASC 810-10, “Consolidation,” a Variable Interest Entity (“VIE”) is a corporation, partnership, trust or any other legal structure used for business purposes that either (a) does not have equity investors with voting rights or (b) has equity investors that do not provide sufficient financial resources for the entity to support its activities. Under ASC 810-10, an entity that holds a variable interest in a VIE is required to consolidate the VIE if the entity is deemed to be the primary beneficiary, which generally means it is subject to a majority of the risk of loss from the VIE’s activities, is entitled to receive a majority of the entity’s residual returns, or both.

First Commonwealth’s VIEs are evaluated under the guidance included in ASU 2009-17. These VIEs include qualified affordable housing projects that First Commonwealth has invested in as part of its community reinvestment initiatives. We periodically assess whether or not our variable interests in these VIEs, based on qualitative analysis, provide us with a controlling interest in the VIE. The analysis includes an assessment of the characteristics of the VIE. We do not have a controlling financial interest in the VIE, which would require consolidation of the VIE, as we do not have the following characteristics: (1) the power to direct the activities that most significantly impact the VIE’s economic performance; and (2) the obligation to absorb losses or the right to receive benefits from the VIE that could potentially be significant to the VIE.

First Commonwealth’s maximum potential exposure is equal to its carrying value and is summarized in the table below as of December 31:

	2012		2011
	(dollars in thousands)
Low Income Housing Limited Partnership Investments	$	347	$	667

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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, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of period	$ 37,812	$ 49,641
Total gains or losses included in earnings	2,409	(4,208)
Total gains or losses included in other comprehensive income	5,490	1,166
Purchases	0	0
Issuances	0	0
Sales	(15,981)	(7,027)
Settlements	(5,398)	(7,727)
Transfers from Level 3	0	(11,965)
Transfers into Level 3	461	17,932
Balance, end of period	24,793	37,812
Pooled Trust Preferred Collateralized Debt Obligations [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of period	22,980	26,352
Total gains or losses included in earnings	0	0
Total gains or losses included in other comprehensive income	5,490	1,284
Purchases	0	0
Issuances	0	0
Sales	0	0
Settlements	(5,097)	(4,656)
Transfers from Level 3	0	0
Transfers into Level 3	0	0
Balance, end of period	23,373	22,980
Equities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of period	1,420	1,570
Total gains or losses included in earnings	0	(150)
Total gains or losses included in other comprehensive income	0	0
Purchases	0	0
Issuances	0	0
Sales	0	0
Settlements	0	0
Transfers from Level 3	0	0
Transfers into Level 3	0	0
Balance, end of period	1,420	1,420
Loans Held for Sale [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of period	13,412	0
Total gains or losses included in earnings	2,870	0
Total gains or losses included in other comprehensive income	0	0
Purchases	0	0
Issuances	0	0
Sales	(15,981)	0
Settlements	(301)	0
Transfers from Level 3	0	0
Transfers into Level 3	0	13,412
Balance, end of period	0	13,412
Other Assets [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of period	0	0
Total gains or losses included in earnings	(461)	(4,449)
Total gains or losses included in other comprehensive income	0	0
Purchases	0	0
Issuances	0	0
Sales	0	0
Settlements	0	(71)
Transfers from Level 3	0	0
Transfers into Level 3	461	4,520
Balance, end of period	0	0
Obligations of States and Political Subdivisions [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of period		343
Total gains or losses included in earnings		4
Total gains or losses included in other comprehensive income		(20)
Purchases		0
Issuances		0
Sales		(327)
Settlements		0
Transfers from Level 3		0
Transfers into Level 3		0
Balance, end of period		0
Corporate Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of period		21,376
Total gains or losses included in earnings		387
Total gains or losses included in other comprehensive income		(98)
Purchases		0
Issuances		0
Sales		(6,700)
Settlements		(3,000)
Transfers from Level 3		(11,965)
Transfers into Level 3		0
Balance, end of period		$ 0

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Short-term Borrowings

12 Months Ended

Dec. 31, 2012

Short-term Borrowings

Note 18—Short-term Borrowings

Short-term borrowings at December 31 were as follows:

	2012							2011							2010
	Ending Balance		Average Balance		Average Rate			Ending Balance		Average Balance		Average Rate			Ending Balance		Average Balance		Average Rate
	(dollars in thousands)
Federal funds purchased	$	34,000	$	47,727		0.27	%	$	75,300	$	15,642		0.26	%	$	12,800	$	40,322		0.26	%
Borrowings from FHLB		178,100		214,703		0.25			84,000		7,537		0.21			0		277,329		0.39
Securities sold under agreements to repurchase		144,127		139,766		0.28			153,477		155,551		0.43			170,563		165,945		0.47
Treasury, tax and loan note option		0		0		0.00			0		4,134		0.00			4,498		4,482		0.00
Total	$	356,227	$	402,196		0.27		$	312,777	$	182,864		0.40		$	187,861	$	488,078		0.40
Maximum total at any month-end	$	486,144						$	312,777						$	1,000,753
Weighted average rate at year-end						0.25	%						0.28	%						0.43	%

Interest expense on short-term borrowings for the years ended December 31 is detailed below:

	2012		2011		2010
	(dollars in thousands)
Federal funds purchased	$	128	$	41	$	105
Borrowings from FHLB		545		16		1,069
Securities sold under agreements to repurchase		397		671		774
Total interest on short-term borrowings	$	1,070	$	728	$	1,948

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Commitments and Letters of Credit - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Financial instrument of credit risk	$ 0.2	$ 0.2
Notional amount of financial standby letters of credit	0.4
Notional amount of performance standby letters of credit	10.9
Notional amount of commercial letters of credit	0.4
Unused commitments and letters of credit [Member]
Commitment liability	$ 2.4	$ 1.5

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Commitments and Letters of Credit (Tables)

12 Months Ended

Dec. 31, 2012

Notional Amount of Commitments and Letter of Credit Instruments

The following table identifies the notional amount of those instruments at December 31:

	2012		2011
	(dollars in thousands)
Financial instruments whose contract amounts represent credit risk:
Commitments to extend credit	$	1,506,618	$	1,495,009
Financial standby letters of credit		47,185		53,689
Performance standby letters of credit		69,240		76,371
Commercial letters of credit		685		1,297

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Short-term Borrowings - Summary of Short-Term Borrowings (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Short-term Debt [Line Items]
Ending Balance	$ 356,227	$ 312,777	$ 187,861
Average Balance	402,196	182,864	488,078
Average Rate	0.27%	0.40%	0.40%
Federal funds purchased [Member]
Short-term Debt [Line Items]
Ending Balance	34,000	75,300	12,800
Average Balance	47,727	15,642	40,322
Average Rate	0.27%	0.26%	0.26%
Borrowings from FHLB [Member]
Short-term Debt [Line Items]
Ending Balance	178,100	84,000	0
Average Balance	214,703	7,537	277,329
Average Rate	0.25%	0.21%	0.39%
Securities sold under agreements to repurchase [Member]
Short-term Debt [Line Items]
Ending Balance	144,127	153,477	170,563
Average Balance	139,766	155,551	165,945
Average Rate	0.28%	0.43%	0.47%
Treasury, tax and loan note option [Member]
Short-term Debt [Line Items]
Ending Balance	0	0	4,498
Average Balance	0	4,134	4,482
Average Rate	0.00%	0.00%	0.00%
Weighted average [Member]
Short-term Debt [Line Items]
Average Rate	0.25%	0.28%	0.43%
Maximum [Member]
Short-term Debt [Line Items]
Ending Balance	$ 486,144	$ 312,777	$ 1,000,753

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Supplemental Comprehensive Income Disclosures (Tables)

12 Months Ended

Dec. 31, 2012

Related Tax Effects Allocated to Each Component of Other Comprehensive Income

The following table identifies the related tax effects allocated to each component of other comprehensive income in the Consolidated Statements of Changes in Shareholders’ Equity for the years ended December 31:

	2012									2011									2010
	Pretax Amount			Tax (Expense) Benefit			Net of Tax Amount			Pretax Amount			Tax (Expense) Benefit			Net of Tax Amount			Pretax Amount			Tax (Expense) Benefit			Net of Tax Amount
	(dollars in thousands)
Unrealized gains (losses) on securities:
Unrealized holding (losses) gains on securities arising during the period	$	(2,854	)	$	1,006		$	(1,848	)	$	9,727		$	(3,404	)	$	6,323		$	(8,377	)	$	2,931		$	(5,446	)
Noncredit related gains (losses) on securities not expected to be sold		2,193			(768	)		1,425			(425	)		149			(276	)		6,633			(2,321	)		4,312
Less: reclassification adjustment for (gains) losses on securities included in net income		(192	)		67			(125	)		(2,185	)		765			(1,420	)		6,822			(2,388	)		4,434
Unrealized gains (losses) for postretirement obligations:
Transition obligation		2			(1	)		1			2			(1	)		1			2			(1	)		1
Net (loss) gain		(300	)		105			(195	)		(260	)		91			(169	)		440			(154	)		286
Total other comprehensive (loss) income	$	(1,151	)	$	409		$	(742	)	$	6,859		$	(2,400	)	$	4,459		$	5,520		$	(1,933	)	$	3,587

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Subordinated Debentures - Subordinated Debentures Outstanding (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Subordinated Borrowing [Line Items]
Subordinated Debentures outstanding, Amount	$ 105,750	$ 105,750
First Commonwealth Capital Trust I [Member]
Subordinated Borrowing [Line Items]
Subordinated Debentures outstanding, Due	Jan. 01, 2029
Subordinated Debentures outstanding, Amount	33,583	33,583
Subordinated Debentures outstanding, Rate	9.50%	9.50%
First Commonwealth Capital Trust II [Member]
Subordinated Borrowing [Line Items]
Subordinated Debentures outstanding, Due	Jan. 01, 2034
Subordinated Debentures outstanding, Amount	30,929	30,929
Subordinated Debentures outstanding, Rate	LIBOR + 2.85	LIBOR + 2.85
First Commonwealth Capital Trust III [Member]
Subordinated Borrowing [Line Items]
Subordinated Debentures outstanding, Due	Jan. 01, 2034
Subordinated Debentures outstanding, Amount	$ 41,238	$ 41,238
Subordinated Debentures outstanding, Rate	LIBOR + 2.85	LIBOR + 2.85

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net Income	$ 41,954	$ 15,274	$ 22,978
Other comprehensive (loss) income, before tax (benefit) expense:
Unrealized holding (losses) gains on securities arising during the period	(2,854)	9,727	(8,377)
Non-credit related gains (losses) on securities not expected to be sold	2,193	(425)	6,633
Less: reclassification adjustment for (gains) losses on securities included in net income	(192)	(2,185)	6,822
Unrealized gains for postretirement obligations:
Transition obligation	2	2	2
Net (loss) gain	(300)	(260)	440
Total other comprehensive (loss) income, before tax (benefit) expense	(1,151)	6,859	5,520
Income tax (benefit) expense related to items of other comprehensive (loss) income	(409)	2,400	1,933
Comprehensive Income	$ 41,212	$ 19,733	$ 26,565

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Loans and Allowance for Credit Losses - Age Analysis of Past Due Loans by Segment (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Accounts, Notes, Loans and Financing Receivable [Line Items]
30 - 59 days past due	$ 14,069	$ 19,200
60 - 89 days past due	5,319	5,307
90 days and greater and still accruing	2,447	11,015
Nonaccrual	94,518	78,476
Total past due and nonaccrual	116,353	113,998
Current	4,088,351	3,929,645
Loans	4,204,704	4,043,643	4,218,083
Commercial, financial, agricultural and other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
30 - 59 days past due	991	5,433
60 - 89 days past due	620	824
90 days and greater and still accruing	288	287
Nonaccrual	29,258	33,459
Total past due and nonaccrual	31,157	40,003
Current	988,665	956,736
Loans	1,019,822	996,739
Real estate construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
30 - 59 days past due	2	0
60 - 89 days past due	19	180
90 days and greater and still accruing	15	0
Nonaccrual	9,778	14,911
Total past due and nonaccrual	9,814	15,091
Current	77,624	61,473
Loans	87,438	76,564
Residential real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
30 - 59 days past due	6,597	7,144
60 - 89 days past due	2,357	2,100
90 days and greater and still accruing	730	8,767
Nonaccrual	9,283	3,153
Total past due and nonaccrual	18,967	21,164
Current	1,222,598	1,115,895
Loans	1,241,565	1,137,059
Commercial real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
30 - 59 days past due	3,339	3,671
60 - 89 days past due	1,389	1,241
90 days and greater and still accruing	195	157
Nonaccrual	46,023	26,953
Total past due and nonaccrual	50,946	32,022
Current	1,222,715	1,235,410
Loans	1,273,661	1,267,432
Loans to individuals [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
30 - 59 days past due	3,140	2,952
60 - 89 days past due	934	962
90 days and greater and still accruing	1,219	1,804
Nonaccrual	176	0
Total past due and nonaccrual	5,469	5,718
Current	576,749	560,131
Loans	$ 582,218	$ 565,849

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New Accounting Pronouncements

12 Months Ended

Dec. 31, 2012

New Accounting Pronouncements

Note 2—New Accounting Pronouncements

In April 2011, the FASB issued ASU 2011-04, “Fair Value Measurement (Topic 820)—Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRSs.” This Update changes the wording used to describe many of the requirements in U.S. GAAP for measuring fair value and for disclosing information about fair value measurements. As a result, the highest and best use and valuation premise concept should be applied. This Update also amends particular principles or requirements for measuring fair value or disclosing relevant information. For example, the amendment allows for financial assets with applicable market and credit risk managed on a basis of net exposure to be excluded from the requirements of Topic 820. This Update is effective for interim and annual periods beginning after December 15, 2011. The adoption of this ASU did not have a material impact on First Commonwealth’s financial condition or results of operations.

In September 2011, the FASB issued ASU 2011-05, “Comprehensive Income (Topic 220)—Presentation of Comprehensive Income,” under which an entity has the option to present the total of comprehensive income, the components of net income, and the components of other comprehensive income, in either a single continuous statement of comprehensive income or in two separate but consecutive statements. If a separate statement is preferred, this statement should immediately follow the statement of net income and include components of other comprehensive income and a total for these items along with total comprehensive income. This Update was effective for fiscal years, and interim periods within those years, beginning after December 15, 2011. In December 2011, the FASB issued ASU 2011-12, “Comprehensive Income (Topic 220)—Deferral of the Effective Date for Amendments to the Presentation of Reclassifications of Items Out of Accumulated Other Comprehensive Income in Accounting Standards Update No. 2011-05.” This deferral was made in order to address reclassifications out of accumulated other comprehensive income. All other provisions of ASU 2011-05 were required to be adopted for fiscal and related interim periods beginning after December 15, 2011. The deferral of the aforementioned classifications is also effective for all fiscal and related interim periods beginning after December 15, 2011. The adoption of this ASU did not have a material impact on First Commonwealth’s financial condition or results of operations. In February 2013, the FASB issued ASU 2013-02, “Comprehensive Income (Topic 220): Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income.” This amendment addresses the previously deferred portions of ASU 2011-05 related to reclassifications out of accumulated other comprehensive income. This amendment requires an entity to provide information about amounts reclassified out of accumulated other comprehensive income (“AOCI”) by component. In addition, an entity is required to report the effect of significant reclassifications out of AOCI on the respective line items in net income if the amount being reclassified is required under U.S. GAAP to be reclassified in its entirety to net income. For other amounts that are not required under U.S. GAAP to be reclassified in their entirety to net income, an entity is required to cross-reference other disclosures required under U.S. GAAP that provide additional detail about those amounts. This update is effective for interim and annual periods beginning after December 15, 2012. The guidance is prospective and management does not believe the adoption of this ASU will have a significant impact on First Commonwealth’s financial condition or results of operations.

In September 2011, the FASB issued ASU 2011-08, “Goodwill and Other (Topic 350)—Testing Goodwill for Impairment.” This Update provides an entity with the option to assess qualitative factors to determine whether the existence of events or circumstances lead to a determination that it is more likely than not that the fair value of a reporting unit is less than its carrying amount. If it determined that it is not more likely than not that the fair value of a reporting unit is less than its carrying amount, then performing the two-step impairment test is unnecessary. Conversely, if the opposite conclusion is reached, then the first step of the two-step approach must be performed. The Update provides examples of events and circumstances that an entity should consider in performing its qualitative assessment. This Update is effective for fiscal years beginning after December 15, 2011. The adoption of this ASU did not have a material impact on First Commonwealth’s financial condition or results of operations.

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Retirement Plans (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Components of Net Periodic Benefit Cost

Net periodic benefit cost of these plans for the years ended December 31, was as follows:

	2012			2011			2010
	(dollars in thousands)
Service cost	$	0		$	0		$	0
Interest cost on projected benefit obligation		75			86			128
Amortization of transition obligation		2			2			2
Gain amortization		(32	)		(50	)		(10	)
Net periodic benefit cost	$	45		$	38		$	120

Schedule of Changes in Benefit Obligations and Plan Assets

The following table sets forth the change in the benefit obligation and plan assets as of December 31:

	2012			2011
	(dollars in thousands)
Change in Benefit Obligation
Benefit obligation at beginning of year	$	1,892		$	1,897
Service cost		0			0
Interest cost		75			86
Amendments		0			0
Actuarial gain		269			210
Net benefits paid		(250	)		(301	)
Benefit obligation at end of year		1,986			1,892
Change in Plan Assets
Fair value of plan assets at beginning of year		0			0
Actual return on plan assets		0			0
Employer contributions		250			301
Net benefits paid		(250	)		(301	)
Fair value of plan assets at end of year		0			0
Funded Status at End of Year		1,986			1,892
Unrecognized transition obligation		0			(2	)
Unrecognized net gain		212			513
Amounts recognized in retained earnings	$	2,198		$	2,403

Schedule of Amounts Recognized as Other Liabilities

As of December 31, the funded status of the plan is:

	2012		2011
	(dollars in thousands)
Amounts Recognized in the Statement of Financial Condition as Other liabilities	$	1,986	$	1,892

Schedule of Amounts Recognized in Accumulated Other Comprehensive Income

The following table sets forth the amounts recognized in accumulated other comprehensive income that have not yet been recognized as components of net periodic benefit costs as of December 31:

	2012			2011			2010
	(dollars in thousands)
Amounts recognized in accumulated other comprehensive income, net of tax:
Net (gain) loss	$	(138	)	$	(333	)	$	(502	)
Transition obligation		0			1			2
Total	$	(138	)	$	(332	)	$	(500	)

Schedule of Weighted-Average Assumptions Used to Determine Benefit Obligation

Weighted-average assumptions used to determine the benefit obligation as of December 31 are as follows:

	2012			2011			2010
Weighted-average Assumptions
Discount rate		3.31	%		4.22	%		4.71	%
Health care cost trend: Initial		7.00	%		8.00	%		9.00	%
Health care cost trend: Ultimate		4.75	%		4.75	%		4.75	%
Year ultimate reached		2022			2016			2016

Schedule of Weighted-Average Assumptions Used to Determine Net Periodic Cost

Weighted-average assumptions used to determine the net benefit costs as of December 31 are as follows:

	2012			2011			2010
Weighted Average Assumptions for Net Periodic Cost
Discount rate		4.22	%		4.71	%		4.71	%
Health care cost trend: Initial		8.00	%		9.00	%		10.00	%
Health care cost trend: Ultimate		4.75	%		4.75	%		4.75	%
Year ultimate reached		2016			2016			2016
Corridor		10.00	%		10.00	%		10.00	%
Recognition period for gains and losses		12.00			12.7			12.7

Schedule of Impact of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates

The health care cost trend rate assumption can have a significant impact on the amounts reported for this plan. A one-percentage-point change in assumed health care cost trend rates would have the following effects:

	One-Percentage- Point Increase		One-Percentage- Point Decrease
	(dollars in thousands)
Effect on total of service and interest cost components	$	65	$	(59	)
Effect on postretirement benefit obligation		2		(2	)

Schedule of Projected Benefit Payments

As of December 31, 2012, the projected benefit payments for the next ten years are as follows:

	Projected Benefit         Payments
	(dollars in thousands)
2013	$	219
2014		213
2015		206
2016		200
2017		193
2018 - 2022		671

Schedule of Amounts Recognized in Accumulated Other Comprehensive Income

The estimated costs that will be amortized from accumulated other comprehensive income into net periodic cost for 2013 are as follows (dollars in thousands):

	Postretirement Benefits
	(dollars in thousands)
Net gain	$	(7	)
Transition obligation		0
Total	$	(7	)

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Impairment of Investment Securities - Schedule of Unrealized Losses and Estimated Fair Values (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Schedule Of Unrealized Losses On Securities [Line Items]
Gross unrealized losses related to available for sale securities	Less than $1 thousand	Less than $1 thousand
Gross unrealized losses	$ (28,493)
Maximum [Member] | Mortgage - Backed Securities - Residential [Member]
Schedule Of Unrealized Losses On Securities [Line Items]
Gross unrealized losses	$ 1	1

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Short-term Borrowings - Interest Expense on Short-Term Borrowings (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Interest On Short Term Borrowings [Line Items]
Total interest on short-term borrowings	$ 1,070	$ 728	$ 1,948
Federal funds purchased [Member]
Interest On Short Term Borrowings [Line Items]
Total interest on short-term borrowings	128	41	105
Borrowings from FHLB [Member]
Interest On Short Term Borrowings [Line Items]
Total interest on short-term borrowings	545	16	1,069
Securities sold under agreements to repurchase [Member]
Interest On Short Term Borrowings [Line Items]
Total interest on short-term borrowings	$ 397	$ 671	$ 774

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Cash and Due from Banks - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Cash And Due From Banks [Line Items]
Cash or balances held with the Federal Reserve Bank	$ 3.6	$ 26.0

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Subordinated Debentures

12 Months Ended

Dec. 31, 2012

Subordinated Debentures

Note 19—Subordinated Debentures

Subordinated Debentures outstanding at December 31 are as follows:

			2012					2011
	Due		Amount		Rate			Amount		Rate
			(dollars in thousands)
Owed to:
First Commonwealth Capital Trust I		2029	$	33,583		9.50	%	$	33,583		9.50	%
First Commonwealth Capital Trust II		2034		30,929		LIBOR + 2.85			30,929		LIBOR + 2.85
First Commonwealth Capital Trust III		2034		41,238		LIBOR + 2.85			41,238		LIBOR + 2.85
Total			$	105,750				$	105,750

First Commonwealth has established three trusts, First Commonwealth Capital Trust I, First Commonwealth Capital Trust II, and First Commonwealth Capital Trust III, of which 100% of the common equity is owned by First Commonwealth. The trusts were formed for the purpose of issuing company obligated mandatorily redeemable capital securities to third-party investors and investing the proceeds from the sale of the capital securities solely in junior subordinated debt securities (“subordinated debentures”) of First Commonwealth. The subordinated debentures held by each trust are the sole assets of the trust.

Interest on the debentures issued to First Commonwealth Capital Trust III is paid quarterly at a floating rate of LIBOR plus 2.85% which is reset quarterly. Subject to regulatory approval, First Commonwealth may redeem the debentures, in whole or in part, at its option on any interest payment date at a redemption price equal to 100% of the principal amount of the debentures, plus accrued and unpaid interest to the date of the redemption. Deferred issuance costs of $630 thousand are being amortized on a straight-line basis over the term of the securities.

Interest on the debentures issued to First Commonwealth Capital Trust II is paid quarterly at a floating rate of LIBOR plus 2.85%, which is reset quarterly. Subject to regulatory approval, First Commonwealth may redeem the debentures, in whole or in part, at its option at a redemption price equal to 100% of the principal amount of the debentures, plus accrued and unpaid interest to the date of the redemption. Deferred issuance costs of $471 thousand are being amortized on a straight-line basis over the term of the securities.

Interest on debentures issued to First Commonwealth Capital Trust I is paid semiannually at a fixed rate of 9.50%. Deferred issuance costs of $996 thousand are being amortized on a straight-line basis over the term of the securities. On January 29, 2013, the Company’s Board of Directors authorized the redemption of 100% of the debenture on April 1, 2013, at a redemption price of 103.325% of the principal amount, plus accrued and unpaid interest to the date of the redemption.

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Fair Values of Assets and Liabilities - Carrying Amounts and Fair Values of Financial Instruments (Detail) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Fair Value Measurements Of Financial Instruments [Line Items]
Cash and due from banks	$ 98,724,000	$ 74,967,000
Interest-bearing deposits	4,258,000	3,511,000
Securities available for sale	1,171,303,000	1,142,776,000
Other investments	28,228,000	39,796,000
Loans held for sale	0	13,412,000
Loans	4,204,704,000	4,043,643,000	4,218,083,000
Deposits	4,557,881,000	4,504,684,000
Short-term borrowings	356,227,000	312,777,000	187,861,000
Long-term debt	174,471,000	101,664,000
Subordinated debt	105,750,000	105,750,000
Level 1 [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Other investments	0	0
Level 2 [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Other investments	28,228,000	39,796,000
Level 3 [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Other investments	0	0
Carrying Amount [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Cash and due from banks	98,724,000	74,967,000
Interest-bearing deposits	4,258,000	3,511,000
Securities available for sale	1,171,303,000	1,142,776,000
Other investments	28,228,000	39,796,000
Loans held for sale	0	13,412,000
Loans	4,204,704,000	4,043,643,000
Deposits	4,557,881,000	4,504,684,000
Short-term borrowings	356,227,000	312,777,000
Long-term debt	174,471,000	101,664,000
Subordinated debt	105,750,000	105,750,000
Estimated Fair Value [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Cash and due from banks	98,724,000	74,967,000
Interest-bearing deposits	4,258,000	3,511,000
Securities available for sale	1,171,303,000	1,142,776,000
Other investments	28,228,000	39,796,000
Loans held for sale	0	13,412,000
Loans	4,245,114,000	4,113,525,000
Deposits	4,493,764,000	4,452,235,000
Short-term borrowings	356,221,000	312,777,000
Long-term debt	176,178,000	103,749,000
Subordinated debt	76,735,000	75,310,000
Estimated Fair Value [Member] | Level 1 [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Cash and due from banks	98,724,000
Interest-bearing deposits	4,258,000
Securities available for sale	555,000
Other investments	0
Loans held for sale	0
Loans	0
Deposits	0
Short-term borrowings	0
Long-term debt	0
Subordinated debt	0
Estimated Fair Value [Member] | Level 2 [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Cash and due from banks	0
Interest-bearing deposits	0
Securities available for sale	1,145,955,000
Other investments	28,228,000
Loans held for sale	0
Loans	82,949,000
Deposits	4,493,764,000
Short-term borrowings	356,221,000
Long-term debt	176,178,000
Subordinated debt	0
Estimated Fair Value [Member] | Level 3 [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Cash and due from banks	0
Interest-bearing deposits	0
Securities available for sale	24,793,000
Other investments	0
Loans held for sale	0
Loans	4,162,165,000
Deposits	0
Short-term borrowings	0
Long-term debt	0
Subordinated debt	$ 76,735,000

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Retirement Plans - Schedule of Projected Benefit Payments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Schedule of Expected Future Pension Benefit Payment [Line Items]
2013	$ 219
2014	213
2015	206
2016	200
2017	193
2018 - 2022	$ 671

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Retirement Plans - Schedule of Amounts Recognized in Accumulated Other Comprehensive Income (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net (gain) loss	$ (138)	$ (333)	$ (502)
Transition obligation	0	1	2
Total	(138)	(332)	(500)
Postretirement Benefits [Member]
Net (gain) loss	(7)
Transition obligation	0
Total	$ (7)

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Securities Available for Sale - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Schedule of Available-for-sale Securities [Line Items]
Maturity of contract	Less than one year
Approximate year of maturity	30 years
Net securities gains	$ 192,000	$ 2,185,000	$ 2,422,000
Decline in maturities	0	0
Decline in sales	1,171,303,000	1,142,776,000
Available for sale securities, unrealized loss position	28,960,000	32,486,000
Available-for-sale securities pledged as collateral	631,000,000	668,800,000
Non-bank subsidiaries [Member]
Schedule of Available-for-sale Securities [Line Items]
Net securities gains		300,000
Obligations of States and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments in obligation		500,000	47,800,000
Decline in maturities		4,200,000
Decline in sales		42,500,000
Recognized gains		300,000
Available for sale securities, unrealized loss position	82,000	400,000
Single issuer trust preferred securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Sale of available securities		3,000,000
Net securities gains		100,000
Single issuer trust preferred securities [Member] | Non-bank subsidiaries [Member]
Schedule of Available-for-sale Securities [Line Items]
Sale of available securities	5,100,000	5,200,000
Pooled Trust Preferred Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Net securities gains	200,000
Pooled Trust Preferred Securities [Member] | Non-bank subsidiaries [Member]
Schedule of Available-for-sale Securities [Line Items]
Sale of available securities	200,000
Corporate Securities [Member] | Non-bank subsidiaries [Member]
Schedule of Available-for-sale Securities [Line Items]
Sale of available securities		$ 1,200,000

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Condensed Financial Information of First Commonwealth Financial Corporation (parent company only)

12 Months Ended

Dec. 31, 2012

Condensed Financial Information of First Commonwealth Financial Corporation (parent company only)

Note 30—Condensed Financial Information of First Commonwealth Financial Corporation (parent company only)

Statements of Financial Condition	December 31,
	2012		2011
	(dollars in thousands)
Assets
Cash	$	19,493	$	6,376
Loans to affiliated parties		30		34
Investment in subsidiaries		736,165		751,702
Investment in unconsolidated subsidiary trusts		3,291		3,291
Investment in jointly-owned company		8,347		8,007
Premises and equipment, net		9,347		14,196
Recievable from subsidiaries		1,583		2,545
Dividends receivable		1,205		0
Other assets		76,715		85,833
Total assets	$	856,176	$	871,984
Liabilities and Shareholders’ Equity
Accrued expenses and other liabilities	$	4,419	$	6,091
Loans payable		0		1,600
Subordinated debentures payable		105,750		105,750
Shareholders’ equity		746,007		758,543
Total liabilities and shareholders’ equity	$	856,176	$	871,984

Statements of Operations	2012			2011			2010
	(dollars in thousands)
Interest and dividends	$	1		$	1		$	1
Dividends from subsidiaries		64,342			10,321			3,190
Interest expense		(5,711	)		(5,605	)		(5,658	)
Other income		12,581			30,595			28,789
Operating expense		(19,061	)		(44,057	)		(42,786	)
Income (loss) before taxes and equity in undistributed earnings of subsidiaries		52,152			(8,745	)		(16,464	)
Applicable income tax benefits		4,364			6,618			6,790
Income (loss) before equity in undistributed earnings of subsidiaries		56,516			(2,127	)		(9,674	)
Equity in undistributed (loss) earnings of subsidiaries		(14,562	)		17,401			32,652
Net income	$	41,954		$	15,274		$	22,978

Statements of Cash Flow	2012			2011			2010
	(dollars in thousands)
Operating Activities
Net income	$	41,954		$	15,274		$	22,978
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		3,719			3,730			3,658
Net gain on sales of assets		(107	)		(1,069	)		(3	)
(Increase) decrease in prepaid income taxes		(3,044	)		0			23
Undistributed equity in subsidiaries		14,562			(17,401	)		(32,652	)
Other net		8,789			1,649			9,029
Net cash provided by operating activities		65,873			2,183			3,033
Investing Activities
Net change in loans to affiliated parties		4			5			7
Purchases of premises and equipment		(3,005	)		(5,736	)		(3,026	)
Proceeds from sale of other assets		4,309			1,461			15
Additional investment in subsidiary		0			0			(70,000	)
Net cash provided by (used in) investing activities		1,308			(4,270	)		(73,004	)
Financing Activities
Proceeds from issuance of common stock		0			144			83,913
Discount on dividend reinvestment plan purchases		(92	)		(63	)		(33	)
Dividends paid		(18,759	)		(12,558	)		(5,306	)
Proceeds from reissuance of treasury stock		1,028			72			4,248
Purchase of treasury stock		(36,242	)		(9	)		(9	)
Stock option tax benefit		1			6			0
Net cash (used in) provided by financing activities		(54,064	)		(12,408	)		82,813
Net increase (decrease) in cash		13,117			(14,495	)		12,842
Cash at beginning of year		6,376			20,871			8,029
Cash at end of year	$	19,493		$	6,376		$	20,871

Cash dividends declared per common share were $0.18 for 2012, $0.12 for 2011 and $0.6 for 2010.

During 2004, the ESOP obtained a $14.0 million line of credit from an unrelated financial institution. The line of credit was used to purchase stock in 2005 for the ESOP and is guaranteed by First Commonwealth. During 2005, $8.5 million was borrowed on the line. There were no borrowings on the line during 2012, 2011 and 2010. The loan was recorded as long-term debt and the offset was recorded as a reduction of common shareholders’ equity. The final payment on the ESOP was made in November 2012 eliminating the outstanding debt. See Note 24 “Unearned ESOP Shares.”

First Commonwealth Financial Corporation has an unsecured $15.0 million line of credit with another financial institution. There are no amounts outstanding on this line as of December 31, 2012. As of December 31, 2012, we are in compliance with all debt covenants related to the line of credit.

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Loans and Allowance for Credit Losses

12 Months Ended

Dec. 31, 2012

Loans and Allowance for Credit Losses

Note 12—Loans and Allowance for Credit Losses

The following table provides outstanding balances related to each of our loan types as of December 31:

	2012		2011
	(dollars in thousands)
Commercial, financial, agricultural and other	$	1,019,822	$	996,739
Real estate construction		87,438		76,564
Residential real estate		1,241,565		1,137,059
Commercial real estate		1,273,661		1,267,432
Loans to individuals		582,218		565,849
Total loans net of unearned income	$	4,204,704	$	4,043,643

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 adversely 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 Bank’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. Movements between these rating categories provide 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 category for the years ended December 31:

	2012
	Commercial, financial, agricultural and other		Real estate construction		Residential real estate		Commerical real estate		Loans to individuals		Total
	(dollars in thousands)
Pass	$	925,868	$	64,353	$	1,224,849	$	1,119,093	$	582,039	$	3,916,202
Non-Pass
OAEM		31,049		925		5,647		82,581		3		120,205
Substandard		62,905		18,638		11,069		71,987		176		164,775
Doubtful		0		3,522		0		0		0		3,522
Total Non-Pass		93,954		23,085		16,716		154,568		179		288,502
Total	$	1,019,822	$	87,438	$	1,241,565	$	1,273,661	$	582,218	$	4,204,704

	2011
	Commercial, financial, agricultural and other		Real estate construction		Residential real estate		Commercial real estate		Loans to individuals		Total
	(dollars in thousands)
Pass	$	904,057	$	44,914	$	1,126,143	$	1,110,664	$	565,842	$	3,751,620
Non-Pass
OAEM		27,627		4,238		5,484		61,855		7		99,211
Substandard		60,114		21,701		5,432		94,913		0		182,160
Doubtful		4,941		5,711		0		0		0		10,652
Total Non-Pass		92,682		31,650		10,916		156,768		7		292,023
Total	$	996,739	$	76,564	$	1,137,059	$	1,267,432	$	565,849	$	4,043,643

Portfolio Risks

Credit quality of our loan portfolio represents significant risk to our earnings, capital, regulatory agency relationships, investment community 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.

Total gross charge-offs for the year ended December 31, 2012 were $17.0 million. Total gross charge-offs for the year ended December 31, 2011 were $68.3 million, including charge-offs of $9.5 million recognized on loans transferred to held for sale.

Criticized loans have been evaluated with respect to the adequacy of the allowance for credit losses which we believe is adequate at this time. 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. The credit administration department continually monitors and evaluates those evolving factors in order to adjust the allowance for credit losses.

Our local markets of western Pennsylvania, which comprise 91% of our loan portfolio, have not been as intensely affected by the most recent economic recession as some other regions of the country and are evidencing a quicker economic recovery. We believe adhering to tighter geographic markets and credit standards will improve ongoing credit quality in the portfolios.

Risk factors associated with commercial real estate and construction related loans are monitored closely since this is an area that represents the most significant portion of the loan portfolio and has experienced the most stress during the economic downturn and has evidenced little recovery strength.

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 December 31. 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.

	2012
	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	$	991	$	620	$	288	$	29,258	$	31,157	$	988,665	$	1,019,822
Real estate construction		2		19		15		9,778		9,814		77,624		87,438
Residential real estate		6,597		2,357		730		9,283		18,967		1,222,598		1,241,565
Commercial real estate		3,339		1,389		195		46,023		50,946		1,222,715		1,273,661
Loans to individuals		3,140		934		1,219		176		5,469		576,749		582,218
Total	$	14,069	$	5,319	$	2,447	$	94,518	$	116,353	$	4,088,351	$	4,204,704

	2011
	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	$	5,433	$	824	$	287	$	33,459	$	40,003	$	956,736	$	996,739
Real estate construction		0		180		0		14,911		15,091		61,473		76,564
Residential real estate		7,144		2,100		8,767		3,153		21,164		1,115,895		1,137,059
Commercial real estate		3,671		1,241		157		26,953		32,022		1,235,410		1,267,432
Loans to individuals		2,952		962		1,804		0		5,718		560,131		565,849
Total	$	19,200	$	5,307	$	11,015	$	78,476	$	113,998	$	3,929,645	$	4,043,643

Nonaccrual Loans

The previous table summarizes 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. In periods prior to the third quarter of 2012, if a consumer loan was well secured and in the process of collection, it remained on accrual status, as delinquency was not a factor in moving it to nonaccrual status.

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 become 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 doubtful.

Impaired Loans

Management considers loans to be impaired when, based on current information and events, it is determined that the company will probably 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 or repayment for 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 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.

Included in the 2011 total of nonperforming loans was $13.4 million of loans held for sale. While these loans were considered to be nonperforming, they were not taken into consideration when determining the allowance for credit losses as they were carried at the lower of cost or fair value. Nonperforming loans at December 31, 2011 included an $11.3 million loan for a waste management company, which was classified as a troubled debt restructured loan. This loan was paid off in full in January 2012. Additionally, a $10.3 million loan to an information technology firm was returned to accrual status in the second quarter of 2012.

The most significant loans placed in nonperforming status during 2012, include $6.5 million to a western Pennsylvania in-patient health care facility, $4.9 million commercial real estate loan for student housing in western Pennsylvania, $4.6 million for a hotel resort syndication loan located in the state of Washington, $3.8 million for a commercial real estate loan to a nonprofit institution in Alabama, $2.8 million to a western Pennsylvania construction firm, and $2.5 million to a manufacturer of medical equipment in Pennsylvania. In addition to the aforementioned loans which were placed on nonaccrual status, a $3.3 million commercial real estate loan in western Pennsylvania was modified with a maturity extension and therefore was classified as a TDR. Also, impacting the balance of nonperforming loans at December 31, 2012, was the inclusion of $6.7 million in consumer loans which were 150 days or more past due. Of the consumer loans on nonaccrual status as of December 31, 2012, $6.5 million of the $6.7 million, were residential real estate loans.

Unfunded commitments related to nonperforming loans were $4.6 million and $6.7 million at December 31, 2012 and 2011, respectively. After consideration of available collateral related to these commitments, an off balance sheet reserve of $0.2 million was established for these commitments at December 31, 2012 and 2011.

Significant nonaccrual loans as of December 31, 2012 include the following;

• $19.1 million, the remaining portion of a $44.1 million unsecured loan to a western Pennsylvania real estate developer. This loan was originated in 2004 and was placed in nonaccrual status in the fourth quarter of 2009. A settlement plan with the borrower and three other lenders was reached in the fourth quarter of 2010 and resulted in an $8.0 million principal payment and a $15.4 million partial charge-off.

• $15.7 million commercial real estate loan for a real estate developer in eastern Pennsylvania. This loan was originated in 2007 and restructured in the fourth quarter of 2011 which resulted in a charge-off of $4.2 million. The most recent appraisal for the real estate collateral was completed in the third quarter of 2011, as the bank was expecting a fourth quarter external refinance of this loan.

• $6.5 million commercial real estate loan to an in-patient health care facility in western Pennsylvania. This loan was originated in 2008 and placed in nonaccrual status in September 2012. The most recent appraisal for the real estate collateral was completed in the fourth quarter of 2012.

• $4.9 million for a western Pennsylvania student housing complex. This loan was originated in 2008 and placed in nonaccrual status in December 2012. The most recent appraisal for the real estate collateral was completed in the fourth quarter of 2012.

• $4.6 million real estate secured loan to a hotel resort syndication in Washington. This loan was originated in 2007 and placed in nonaccrual status in December of 2012. The most recent appraisals for the real estate collateral were completed in the second quarter of 2012.

The following tables include the recorded investment and unpaid principal balance for impaired loans with the associated allowance amount, if applicable, as of December 31, 2012 and 2011. Also presented are the average recorded investment in impaired loans and the related amount of interest recognized while the loan was considered impaired for the years ended December 31, 2012, 2011 and 2010. Average balances are calculated based on month-end balances of the loans for the period reported.

	2012
	Recorded Investment		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
	(dollars in thousands)
With no related allowance recorded:
Commercial, financial, agricultural and other	$	8,080	$	8,983	$	0	$	9,217	$	173
Real estate construction		8,491		35,555		0		11,912		0
Residential real estate		7,928		8,401		0		8,114		72
Commercial real estate		33,259		35,401		0		28,574		66
Loans to individuals		256		256		0		103		2
Subtotal		58,014		88,596		0		57,920		313
With an allowance recorded:
Commercial, financial, agricultural and other		26,532		27,412		10,331		21,979		9
Real estate construction		2,756		3,087		300		1,457		0
Residential real estate		2,695		2,696		780		1,599		15
Commercial real estate		17,558		17,896		6,367		5,024		32
Loans to individuals		0		0		0		0		0
Subtotal		49,541		51,091		17,778		30,059		56
Total	$	107,555	$	139,687	$	17,778	$	87,979	$	369

	2011
	Recorded Investment		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
	(dollars in thousands)
With no related allowance recorded:
Commercial, financial, agricultural and other	$	2,010	$	3,418	$	0	$	3,887	$	20
Real estate construction		10,814		20,161		0		23,254		10
Residential real estate		3,125		3,513		0		2,702		9
Commercial real estate		36,777		41,974		0		35,817		799
Loans to individuals		0		0		0		10		0
Subtotal		52,726		69,066		0		65,670		838
With an allowance recorded:
Commercial, financial, agricultural and other		34,056		34,341		9,069		30,456		152
Real estate construction		6,298		21,402		2,960		14,465		0
Residential real estate		955		955		93		615		7
Commercial real estate		4,717		4,863		1,114		28,716		396
Loans to individuals		0		0		0		0		0
Subtotal		46,026		61,561		13,236		74,252		555
Total	$	98,752	$	130,627	$	13,236	$	139,922	$	1,393

	2010
	Average Recorded Investment		Interest Income Recognized
	(dollars in thousands)
With no related allowance recorded:
Commercial, financial, agricultural and other	$	6,051	$	0
Real estate construction		35,898		0
Residential real estate		3,165		0
Commercial real estate		24,198		12
Loans to individuals		58		0
Subtotal		69,370		12
With an allowance recorded:
Commercial, financial, agricultural and other		43,778		14
Real estate construction		16,641		0
Residential real estate		237		0
Commercial real estate		10,711		4
Loans to individuals		0		0
Subtotal		71,367		18
Total	$	140,737	$	30

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.

As a result of adopting the amendments in ASU 2011-02, all restructurings that occurred on or after January 1, 2011 were assessed for identification as troubled debt restructurings considering the new guidance. No additional troubled debt restructurings were identified for loans for which the allowance for credit losses would have previously been measured under a general allowance for credit losses methodology.

The following table provides detail as to the total troubled debt restructured loans and total commitments outstanding on troubled debt restructured loans as of December 31:

	2012		2011		2010
	(dollars in thousands)
Troubled debt restructured loans
Accrual status	$	13,037	$	20,276	$	1,336
Nonaccrual status		50,979		44,841		31,410
Total	$	64,016	$	65,117	$	32,746
Commitments
Letters of credit	$	1,574	$	12,580	$	11,321
Unused lines of credit		0		42		1,095
Total	$	1,574	$	12,622	$	12,416

During, 2012, a $2.8 million nonaccrual loan to a water treatment plant and a $3.7 million accruing loan to a gas well servicing operation were each restructured with a twelve month principal forbearance. The nonaccrual loan is fully reserved for while the accruing loan is secured by company assets with no reserve allocation. These loans are part of a $17.0 million commercial loan relationship with a shallow gas well operator whose business has been impacted by the sharp decline in natural gas prices due to the success of Marcellus deep well drilling. In addition to these two loans, other loans in this relationship include loans to a related exploration and production company and loans to the principal which are secured by real estate and investment securities.

Also, in 2012 a $3.3 million commercial real estate loan was restructured with a six month maturity extension. This loan has remained on accruing status and the collateral shortfall is fully reserved.

During 2012, all decreases in balances between the pre-modification and post-modification balance are due to customer payments.

During 2011, a $2.7 million charge-off was recorded in relation to the transfer to held for sale of one of the loans included in commercial real estate in the table below. The sale of this loan was completed in 2012. Three commercial real estate loans, totaling $10.2 million, were classified as troubled debt restructured loans during 2011 and subsequently paid off prior to December 31, 2011. In addition, $5.6 million was charged-off in the restructuring of one relationship modified during the fourth quarter of 2011. As December 31, 2012, the remaining balance of the loans included in this relationship is $17.4 million. The remainder of changes in loan balances for 2011 between the pre-modification balance and the post-modification balance is due to customer payments.

During 2010, a $15.4 million charge-off was recorded on a loan to a Pennsylvania real estate developer. The remaining changes between pre-modification balances and post-modification balances during 2010 are due to customer payments.

The outstanding commitments as of December 31, 2011 and 2010 were primarily committed to one loan relationship that paid off in full in January 2012.

The following tables provide detail, including specific reserve and reasons for modification, related to loans identified as troubled debt restructurings during the years ending December 31:

	2012
			Reason for Modification
	Number of Contracts		Extend Maturity		Modify Rate		Modify Payments		Other		Total Pre-Modification Outstanding Recorded Investment		Post- Modification Outstanding Recorded Investment		Specific Reserve
	(dollars in thousands)
Commercial, financial, agricultural and other		12	$	1,599	$	187	$	9,476	$	0	$	11,262	$	11,335	$	4,237
Real estate construction		2		1,697		0		0		0		1,697		2,133		200
Residential real estate		25		200		132		697		48		1,077		973		69
Commercial real estate		4		3,280		4,308		71		0		7,659		7,607		409
Loans to individuals		17		0		97		88		6		191		173		0
Total		60	$	6,776	$	4,724	$	10,332	$	54	$	21,886	$	22,221	$	4,915

	2011
			Reason for 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		13	$	100	$	475	$	2,218	$	2,793	$	2,749	$	743
Real estate construction		6		2,554		86		0		2,640		2,852		0
Residential real estate		10		0		515		601		1,116		1,100		65
Commercial real estate		22		17,202		24,226		2,311		43,739		25,292		507
Total		51	$	19,856	$	25,302	$	5,130	$	50,288	$	31,993	$	1,315

	2010
			Reason for 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		7	$	250	$	105	$	36,591	$	36,946	$	21,180	$	4,972
Real estate construction		2		109		2,070		0		2,179		1,051		0
Residential real estate		2		0		13		57		70		67		0
Commercial real estate		4		0		10,685		241		10,926		9,870		3
Total		15	$	359	$	12,873	$	36,889	$	50,121	$	32,168	$	4,975

The troubled debt restructurings included in the above tables are also included in the impaired loan tables provided earlier in this footnote. Loans defined as modified due to a change in rate 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 years ended December 31, 2012, 2011 and 2010, $4.7 million, $25.2 million and $0.1 million, respectively, of total rate modifications represent loans with modifications to the rate as well as payment due to reamortization.

A troubled debt restructuring is considered to be in default when a restructured loan is 90 days or more past due. As of December 31, 2012, there were no loans restructured within the preceding twelve months which were considered to be in default. As of December 31, 2011, a $4.1 million commercial real estate loan, restructured during the first quarter of 2011 was considered to be in default. As of December 31, 2011, this loan was transferred to held for sale and the sale was completed in 2012. As of December 31, 2010, there were no loans restructured within the preceding twelve months which were considered to be in default.

The following tables provide detail related to the allowance for credit losses for the years ended December 31:

	2012
	Commercial, financial, agricultural and other			Real estate construction			Residential real estate			Commercial real estate			Loans to individuals			Unallocated		Total
	(dollars in thousands)
Allowance for credit losses:
Beginning Balance	$	18,200		$	6,756		$	8,237		$	18,961		$	4,244		$	4,836	$	61,234
Charge-offs		(5,207	)		(3,601	)		(3,828	)		(851	)		(3,482	)		0		(16,969	)
Recoveries		443			582			422			410			521			0		2,378
Provision		6,416			5,191			1,077			3,921			2,849			1,090		20,544
Ending Balance	$	19,852		$	8,928		$	5,908		$	22,441		$	4,132		$	5,926	$	67,187
Ending balance: individually evaluated for impaired	$	10,331		$	300		$	780		$	6,367		$	0		$	0	$	17,778
Ending balance: collectively evaluated for impaired		9,521			8,628			5,128			16,074			4,132			5,926		49,409
Loans:
Ending balance		1,019,822			87,438			1,241,565			1,273,661			582,218					4,204,704
Ending balance: individually evaluated for impaired		33,443			11,177			6,444			49,123			0					100,187
Ending balance: collectively evaluated for impaired		986,379			76,261			1,235,121			1,224,538			582,218					4,104,517

	2011
	Commercial, financial, agricultural and other			Real estate construction			Residential real estate			Commercial real estate			Loans to individuals			Unallocated			Total
	(dollars in thousands)
Allowance for credit losses:
Beginning Balance	$	21,700		$	18,002		$	5,454		$	16,913		$	4,215		$	4,945		$	71,229
Charge-offs		(7,114	)		(28,886	)		(4,107	)		(24,861	)		(3,325	)		0			(68,293	)
Recoveries		473			955			132			349			573			0			2,482
Provision		3,141			16,685			6,758			26,560			2,781			(109	)		55,816
Ending Balance	$	18,200		$	6,756		$	8,237		$	18,961		$	4,244		$	4,836		$	61,234
Ending balance: individually evaluated for impaired	$	9,069		$	2,960		$	93		$	1,114		$	0		$	0		$	13,236
Ending balance: collectively evaluated for impaired		9,131			3,796			8,144			17,847			4,244			4,836			47,998
Loans:
Ending balance		996,739			76,564			1,137,059			1,267,432			565,849						4,043,643
Ending balance: individually evaluated for impaired		37,639			14,667			2,606			39,832			0						94,744
Ending balance: collectively evaluated for impaired		959,100			61,897			1,134,453			1,227,600			565,849						3,948,899

	2010
	Commercial, financial, agricultural and other			Real estate construction			Residential real estate			Commercial real estate			Loans to individuals			Unallocated		Total
	(dollars in thousands)
Allowance for credit losses:
Beginning Balance	$	31,369		$	18,224		$	5,847		$	17,526		$	4,731		$	3,942	$	81,639
Charge-offs		(22,293	)		(41,483	)		(5,226	)		(2,466	)		(3,841	)		0		(75,309	)
Recoveries		2,409			0			252			163			523			0		3,347
Provision		10,215			41,261			4,581			1,690			2,802			1,003		61,552
Ending Balance	$	21,700		$	18,002		$	5,454		$	16,913		$	4,215		$	4,945	$	71,229
Ending balance: individually evaluated for impaired	$	6,709		$	11,855		$	56		$	5,287		$	0		$	0	$	23,907
Ending balance: collectively evaluated for impaired		14,991			6,147			5,398			11,626			4,215			4,945		47,322
Loans:
Ending balance		913,814			261,482			1,127,273			1,354,074			561,440					4,218,083
Ending balance: individually evaluated for impaired		25,694			44,485			832			42,863			0					113,874
Ending balance: collectively evaluated for impaired		888,120			216,997			1,126,441			1,311,211			561,440					4,104,209

XML

Goodwill and Other Amortizing Intangible Assets - Estimated Amortization Expense of Core Deposit Intangibles (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Goodwill And Other Intangibles [Line Items]
Net Intangible Assets	$ 2,375	$ 3,843
Core Deposits Intangibles [Member]
Goodwill And Other Intangibles [Line Items]
2013	1,064
2014	615
2015	337
2016	177
2017	62
Thereafter	120
Net Intangible Assets	$ 2,375