| **Loans and Allowance for Credit Losses**             | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      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| **Loans and Leases Receivable Disclosure [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     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| Loans and Allowance for Credit Losses                 | Loans and Allowance for Credit LossesThe following table provides outstanding balances related to each of our loan types:  September 30, 2013 December 31, 2012 (dollars in thousands)Commercial, financial, agricultural and other$1,008,316 $1,019,822Real estate construction74,025 87,438Residential real estate1,280,990 1,241,565Commercial real estate1,272,366 1,273,661Loans to individuals604,307 582,218Total loans and leases net of unearned income$4,240,004 $4,204,704Credit Quality InformationAs 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 provides a predictive measure of credit losses and therefore assists in determining the appropriate level for the loan loss reserves. Category ratings are reviewed each quarter, at which time management analyzes the results, as well as other external statistics and factors related to loan performance. Loans that migrate towards higher risk rating levels generally have an increased risk of default, whereas, loans that migrate toward lower risk ratings generally will result in a lower risk factor being applied to those related loan balances.The following tables represent our credit risk profile by creditworthiness: September 30, 2013 Commercial, financial, agricultural and other Real estate construction Residential real estate Commercial real estate Loans to individuals Total (dollars in thousands)Pass$940,572 $60,322 $1,263,936 $1,190,752 $603,829 $4,059,411Non-Pass           OAEM25,287 1,046 5,375 41,688 1 73,397Substandard42,457 12,657 11,679 39,926 477 107,196Doubtful— — — — — —Total Non-Pass67,744 13,703 17,054 81,614 478 180,593Total$1,008,316 $74,025 $1,280,990 $1,272,366 $604,307 $4,240,004  December 31, 2012 Commercial, financial, agricultural and other Real estate construction Residential real estate Commercial real estate Loans to individuals Total (dollars in thousands)Pass$925,868 $64,353 $1,224,849 $1,119,093 $582,039 $3,916,202Non-Pass           OAEM31,049 925 5,647 82,581 3 120,205Substandard62,905 18,638 11,069 71,987 176 164,775Doubtful— 3,522 — — — 3,522Total Non-Pass93,954 23,085 16,716 154,568 179 288,502Total$1,019,822 $87,438 $1,241,565 $1,273,661 $582,218 $4,204,704Portfolio RisksThe credit quality of our loan portfolio represents significant risk to our earnings, capital, regulatory agency relationships, investment community reputation and shareholder returns. First Commonwealth devotes a substantial amount of resources managing this risk primarily through our credit administration department that develops and administers policies and procedures for underwriting, maintaining, monitoring and collecting activities. Credit administration is independent of lending departments and oversight is provided by the credit committee of the First Commonwealth Board of Directors.Criticized loans have been evaluated when determining the appropriateness of the allowance for credit losses, which we believe is adequate to absorb losses inherent to the portfolio as of September 30, 2013. 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.Risk factors associated with commercial real estate and construction related loans are monitored closely since this is an area that represents a significant portion of the loan portfolio and has experienced the most stress during the economic downturn.Age Analysis of Past Due Loans by SegmentThe following tables delineate the aging analysis of the recorded investments in past due loans as of September 30, 2013 and December 31, 2012. 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.  September 30, 2013 30 - 59dayspast due 60 - 89dayspastdue 90 daysandgreaterand stillaccruing Nonaccrual Total pastdue andnonaccrual Current Total (dollars in thousands)Commercial, financial, agricultural and other$601 $109 $203 $24,365 $25,278 $983,038 $1,008,316Real estate construction12 — — 2,850 2,862 71,163 74,025Residential real estate3,942 1,072 988 10,456 16,458 1,264,532 1,280,990Commercial real estate570 210 116 22,074 22,970 1,249,396 1,272,366Loans to individuals2,581 859 1,057 184 4,681 599,626 604,307Total$7,706 $2,250 $2,364 $59,929 $72,249 $4,167,755 $4,240,004  December 31, 2012 30 - 59dayspast due 60 - 89dayspastdue 90 daysandgreaterand stillaccruing Nonaccrual Total pastdue andnonaccrual Current Total (dollars in thousands)Commercial, financial, agricultural and other$991 $620 $288 $29,258 $31,157 $988,665 $1,019,822Real estate construction2 19 15 9,778 9,814 77,624 87,438Residential real estate6,597 2,357 730 9,283 18,967 1,222,598 1,241,565Commercial real estate3,339 1,389 195 46,023 50,946 1,222,715 1,273,661Loans to individuals3,140 934 1,219 176 5,469 576,749 582,218Total$14,069 $5,319 $2,447 $94,518 $116,353 $4,088,351 $4,204,704Nonaccrual LoansThe previous tables summarize nonaccrual loans by loan segment. The Company generally places loans on nonaccrual status when the full and timely collection of interest or principal becomes uncertain, when part of the principal balance has been charged off and no restructuring has occurred, or the loans reach a certain number of days past due. Generally, loans 90 days or more past due are placed on nonaccrual status, except for consumer loans which are placed in nonaccrual status at 150 days past due. When a loan is placed on nonaccrual, the accrued unpaid interest receivable is reversed against interest income and all future payments received are applied as a reduction to the loan principal. Generally, the loan is returned to accrual status when (a) all delinquent interest and principal 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 LoansManagement considers loans to be impaired when, based on current information and events, it is determined that the Company will not be able to collect all amounts due according to the loan contract, including scheduled interest payments. Determination of impairment is treated the same across all loan categories. When management identifies a loan as impaired, the impairment is measured based on the present value of expected future cash flows, discounted at the loan’s effective interest rate, except when the sole source for repayment of the loan is the operation or liquidation of collateral. When the loan is collateral dependent, the appraised value less estimated cost to sell is utilized. If management determines the value of the impaired loan is less than the recorded investment in the loan, impairment is recognized through an allowance estimate or a charge-off to the allowance. Troubled debt restructured loans on accrual status are 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. Nonperforming loans decreased$36.3 million during the nine-months endedSeptember 30, 2013.  Contributing to this decrease was the sale of $17.2 million of loans related to a real estate developer in eastern Pennsylvania as well as a $2.5 million commercial real estate loan in Nevada and a $3.5 million construction loan for a Florida condominium project.  Also, a $3.8 million hotel resort syndication loan in the state of Washington and a $2.3 million commercial loan to a western Pennsylvania excavation company were returned to accrual status during the first nine months of 2013.  Additionally, $21.2 million in charge-offs were recognized on four commercial loan relationships during the first nine months of 2013, including $2.8 million for a commercial real estate loan to a western Pennsylvania non-profit healthcare facility who recently filed for bankruptcy, $3.0 million for a commercial real estate loan to a western Pennsylvania student housing project which paid off during the third quarter of 2013, $2.3 million for a commercial industrial loan to a local energy company and $13.1 million for an unsecured commercial loan to a western Pennsylvania real estate developer.A total of $39.8 million of loans were moved into nonaccrual status during the nine-months endedSeptember 30, 2013.  Five commercial loan relationships comprise $32.7 million of this total.  These relationships include:•$12.7 million in commercial industrial loans to a local energy company,  •a $7.6 million commercial real estate loan to a real estate management company in western Pennsylvania, •a $5.7 million commercial real estate relationship to a western Pennsylvania commercial real estate developer, of which $0.5 million was charged-off and $4.8 million was moved to OREO, all during the nine-months endedSeptember 30, 2013, •a $3.6 million commercial relationship to a specialty metal processor in western Pennsylvania, and •a $3.1 million commercial relationship with a western Pennsylvania glass manufacturer.  In addition to this, $2.7 million in consumer loans which were 150 days or more past due were moved to nonaccrual status. Beginning in the third quarter of 2012, consumer loans are moved to nonaccrual status once they reach 150 days past due, however, in prior periods, these loans were not placed in nonaccrual status if they were well secured and in the process of collection.The specific allowance for nonperforming loans decreased by $9.5 million at September 30, 2013 compared to December 31, 2012, primarily due to charge-offs of amounts reserved for in prior periods as well as the payoff of certain nonaccrual loans previously discussed. Unfunded commitments related to nonperforming loans were $0.5 million at September 30, 2013 and after consideration of available collateral related to these commitments, an off balance sheet reserve of $0.2 million was established.There were no loans held for sale at September 30, 2013 and  December 31, 2012; however, sales of loans during the nine-months endedSeptember 30, 2013 and 2012 resulted in gains of $0.6 million and $2.9 million, respectively.Significant nonaccrual loans as of September 30, 2013, include the following:•$12.7 million of commercial industrial loans to a local energy company.  These loans were originated from 2008 to 2011 and were placed in nonaccrual status during the third quarter of 2013. One of these loans, totaling $3.3 million, was modified resulting in TDR classification in the second quarter of 2012.  An updated valuation of the collateral was completed during the third quarter of 2013.•$7.6 million commercial industrial loan to a real estate management company in western Pennsylvania.  These loans were originated in 2008 and were placed on nonaccrual status in the second quarter of 2013.  The most recent appraisal for this real estate collateral was completed in the second quarter of 2013.•$2.8 million, the remaining portion net of reserves, of a $44.1 million unsecured loan to a western Pennsylvania real estate developer. This loan was originated in 2004 and was placed on nonaccrual status in the fourth quarter of 2009. Charge-offs of $28.5 million have been recorded on this loan, of which $13.1 million occurred in the second quarter of 2013.•$3.5 million commercial real estate and industrial loans to a specialty metal processor in western Pennsylvania.  This loan was originated in 2003 and was placed on nonaccrual status in the second quarter of 2013.  The assets collateralizing this relationship as well as the appraisal for the real estate collateral were valued in the first quarter of 2013.•$3.4 million commercial real estate loan to an in-patient facility in western Pennsylvania. This loan was originated in 2008 and placed on nonaccrual status in September 2012.  Charge-offs of $2.8 million have been recorded on this loan.  The most recent appraisal for the real estate collateral was completed in the fourth 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 September 30, 2013 and December 31, 2012. Also presented are the average recorded investment in impaired loans and the related amount of interest recognized while the loan was considered impaired. Average balances are calculated using month-end balances of the loans for the period reported and are included in the table below based on its period end allowance position.  September 30, 2013 December 31, 2012 Recordedinvestment Unpaidprincipalbalance Relatedallowance Recordedinvestment Unpaidprincipalbalance Relatedallowance (dollars in thousands)With no related allowance recorded:           Commercial, financial, agricultural and other$10,209 $11,137  $8,080 $8,983 Real estate construction2,251 5,795  8,491 35,555 Residential real estate9,493 10,118  7,928 8,401 Commercial real estate21,695 23,111  33,259 35,401 Loans to individuals257 272  256 256 Subtotal43,905 50,433  58,014 88,596 With an allowance recorded:           Commercial, financial, agricultural and other16,530 17,064 4,889 26,532 27,412 10,331Real estate construction1,866 2,181 165 2,756 3,087 300Residential real estate3,406 3,440 1,377 2,695 2,696 780Commercial real estate5,512 8,924 1,808 17,558 17,896 6,367Loans to individuals— — — — — —Subtotal27,314 31,609 8,239 49,541 51,091 17,778Total$71,219 $82,042 $8,239 $107,555 $139,687 $17,778  For the Nine-Months Ended September 30 2013 2012 Averagerecordedinvestment InterestIncomeRecognized Averagerecordedinvestment InterestIncomeRecognized (dollars in thousands)With no related allowance recorded:       Commercial, financial, agricultural and other$14,482 $147 $9,281 $116Real estate construction5,390 — 6,641 —Residential real estate9,376 129 7,604 17Commercial real estate26,390 119 27,869 50Loans to individuals248 3 9 —Subtotal55,886 398 51,404 183With an allowance recorded:       Commercial, financial, agricultural and other15,552 46 21,025 5Real estate construction1,848 35 7,381 —Residential real estate3,001 24 1,532 20Commercial real estate5,628 1 2,713 11Loans to individuals— — — —Subtotal26,029 106 32,651 36Total$81,915 $504 $84,055 $219         For the Three-Months Ended September 30 2013 2012 Averagerecordedinvestment InterestIncomeRecognized Averagerecordedinvestment InterestIncomeRecognized (dollars in thousands)With no related allowance recorded:       Commercial, financial, agricultural and other$14,000 $41 $6,664 $94Real estate construction2,340 — 4,954 —Residential real estate9,977 52 4,374 6Commercial real estate23,428 42 29,878 14Loans to individuals251 1 28 —Subtotal49,996 136 45,898 114With an allowance recorded:       Commercial, financial, agricultural and other10,370 16 25,469 2Real estate construction1,541 8 8,848 —Residential real estate3,349 10 2,130 6Commercial real estate5,371 1 4,754 11Loans to individuals— — — —Subtotal20,631 35 41,201 19Total$70,627 $171 $87,099 $133 Troubled debt restructured loans are those loans whose terms have been renegotiated to provide a reduction or deferral of principal or interest as a result of the financial difficulties experienced by the borrower, who could not obtain comparable terms from alternate financing sources.The following table provides detail as to the total troubled debt restructured loans and total commitments outstanding on troubled debt restructured loans: September 30, 2013 December 31, 2012 (dollars in thousands)Troubled debt restructured loans   Accrual status$11,290 $13,037Nonaccrual status17,807 50,979Total$29,097 $64,016Commitments   Letters of credit$— $1,574Unused lines of credit3,244 —Total$3,244 $1,574At September 30, 2013, troubled debt restructured loans decreased$34.9 million compared to December 31, 2012 and commitments related to troubled debt restructured loans increased$1.7 million for the same period. This decrease in loans is primarily a result of the sale of a $17.2 million loan for a commercial real estate developer in eastern Pennsylvania and the charge-off of $13.1 million related to an unsecured loan to a western Pennsylvania real estate developer.  The increase in unused line of credit commitments is related to two commercial borrowers.The following tables provide detail, including specific reserve and reasons for modification, related to loans identified as troubled debt restructurings: For the Nine-Months Ended September 30, 2013   Type of Modification       NumberofContracts ExtendMaturity ModifyRate ModifyPayments TotalPre-ModificationOutstandingRecordedInvestment Post-ModificationOutstandingRecordedInvestment SpecificReserve (dollars in thousands)Commercial, financial, agricultural and other7 $2,969 $— $105 $3,074 $1,041 $198Residential real estate32 347 350 1,552 2,249 1,924 274Commercial real estate6 758 244 1,551 2,553 2,484 1,062Loans to individuals12 9 70 28 107 83 —Total57 $4,083 $664 $3,236 $7,983 $5,532 $1,534 For the Nine-Months Ended September 30, 2012   Type of Modification       NumberofContracts ExtendMaturity ModifyRate ModifyPayments TotalPre-ModificationOutstandingRecordedInvestment Post-ModificationOutstandingRecordedInvestment SpecificReserve (dollars in thousands)Commercial, financial, agricultural and other10 $1,599 $187 $7,538 $9,324 $8,885 $3,140Real estate construction1 823 — — 823 791 —Residential real estate3 — 97 83 180 131 —Commercial real estate1 — 516 — 516 529 98Total15 $2,422 $800 $7,621 $10,843 $10,336 $3,238The troubled debt restructurings included in the above tables are also included in the impaired loan tables provided earlier in this note. Loans defined as modified due to a change in rate 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 nine-months endedSeptember 30, 2013 and 2012, $0.6 million and $0.8 million, respectively, of total rate modifications represent loans with modifications to the rate as well as payment due to reamortization.  For both 2013 and 2012 the changes in loan balances between the pre-modification balance and the post-modification balance are due to customer payments.               For the Three-Months Ended September 30, 2013   Type of Modification       NumberofContracts ExtendMaturity ModifyRate ModifyPayments TotalPre-ModificationOutstandingRecordedInvestment Post-ModificationOutstandingRecordedInvestment SpecificReserve (dollars in thousands)Commercial, financial, agricultural and other4 $2,442 $— $93 $2,535 $601 $198Residential real estate10 67 24 269 360 361 —Commercial real estate5 758 — 1,551 2,309 2,252 1,062Loans to individuals6 10 36 21 67 58 —Total25 $3,277 $60 $1,934 $5,271 $3,272 $1,260               For the Three-Months Ended September 30, 2012   Type of Modification       NumberofContracts ExtendMaturity ModifyRate ModifyPayments TotalPre-ModificationOutstandingRecordedInvestment Post-ModificationOutstandingRecordedInvestment SpecificReserve (dollars in thousands)Commercial, financial, agricultural and other6 $1,153 $169 $1,509 $2,831 $3,004 $746Commercial real estate1 — 516 — 516 529 98Total7 $1,153 $685 $1,509 $3,347 $3,533 $844The troubled debt restructurings included in the above tables are also included in the impaired loan tables provided earlier in this note. Loans defined as modified due to a change in rate include loans that were modified for a change in rate as well as a reamortization of the principal and an extension of the maturity. For the three-months endedSeptember 30, 2013 and 2012, $45 thousand and $0.7 million, respectively, of total rate modifications represent loans with modifications to the rate as well as payment due to reamortization.  For both 2013 and 2012 the changes in loan balances between the pre-modification balance and the post-modification balance are due to customer payments.A troubled debt restructuring is considered to be in default when a restructured loan is 90 days or more past due.  The following table provides information related to restructured loans that were considered to default during the nine-months endedSeptember 30:  2013 2012 Number ofContracts RecordedInvestment Number ofContracts RecordedInvestment (dollars in thousands)Residential real estate1 $9 — $—Loans to individuals2 9 — —Total3 $18 — $—  The following table provides information related to restructured loans that were considered to default during the three-months endedSeptember 30: 2013 2012 Number ofContracts RecordedInvestment Number ofContracts RecordedInvestment (dollars in thousands)Residential real estate1 $9 — $—Loans to individuals1 5 — —Total2 $14 — $—The following tables provide detail related to the allowance for credit losses: For the Nine-Months Ended September 30, 2013 Commercial,financial,agriculturaland other Real estateconstruction Residentialreal estate Commercialreal estate Loans toindividuals Unallocated Total (dollars in thousands)Allowance for credit losses:             Beginning Balance$19,852 $8,928 $5,908 $22,441 $4,132 $5,926 $67,187Charge-offs(17,302) (773) (1,400) (10,051) (2,669) — (32,195)Recoveries345 140 883 121 465 — 1,954Provision (credit)12,038 (1,865) 446 4,318 2,266 808 18,011Ending Balance$14,933 $6,430 $5,837 $16,829 $4,194 $6,734 $54,957Ending balance: individually evaluated for impairment$4,889 $165 $1,377 $1,808 $— $— $8,239Ending balance: collectively evaluated for impairment10,044 6,265 4,460 15,021 4,194 6,734 46,718Loans:             Ending balance1,008,316 74,025 1,280,990 1,272,366 604,307   4,240,004Ending balance: individually evaluated for impairment25,620 4,028 9,794 25,197 —   64,639Ending balance: collectively evaluated for impairment982,696 69,997 1,271,196 1,247,169 604,307   4,175,365  For the Nine-Months Ended September 30, 2012 Commercial,financial,agriculturaland other Real estateconstruction Residentialreal estate Commercialreal estate Loans toindividuals Unallocated Total (dollars in thousands)Allowance for credit losses:             Beginning Balance$18,200 $6,756 $8,237 $18,961 $4,244 $4,836 $61,234Charge-offs(4,939) (2,356) (2,984) (638) (2,494) — (13,411)Recoveries349 121 331 256 396 — 1,453Provision (credit)4,470 4,341 1,120 1,855 2,074 978 14,838Ending Balance$18,080 $8,862 $6,704 $20,434 $4,220 $5,814 $64,114Ending balance: individually evaluated for impairment$7,306 $973 $719 $3,916 $— $— $12,914Ending balance: collectively evaluated for impairment10,774 7,889 5,985 16,518 4,220 5,814 51,200Loans:             Ending balance1,087,019 95,425 1,228,328 1,217,249 586,278   4,214,299Ending balance: individually evaluated for impairment32,833 11,427 7,224 37,369 —   88,853Ending balance: collectively evaluated for impairment1,054,186 83,998 1,221,104 1,179,880 586,278   4,125,446 For the Three-Months Ended September 30, 2013 Commercial,financial,agriculturaland other Real estateconstruction Residentialreal estate Commercialreal estate Loans toindividuals Unallocated Total (dollars in thousands)Allowance for credit losses:             Beginning Balance$16,575 $8,246 $6,439 $16,128 $4,142 $5,922 $57,452Charge-offs(3,081) (18) (757) (813) (914) — (5,583)Recoveries81 81 71 13 128 — 374Provision (credit)1,358 (1,879) 84 1,501 838 812 2,714Ending Balance$14,933 $6,430 $5,837 $16,829 $4,194 $6,734 $54,957               For the Three-Months Ended September 30, 2012 Commercial,financial,agriculturaland other Real estateconstruction Residentialreal estate Commercialreal estate Loans toindividuals Unallocated Total (dollars in thousands)Allowance for credit losses:             Beginning Balance$19,302 $8,001 $6,619 $17,638 $4,209 $5,907 $61,676Charge-offs(1,271) (2,016) (530) (97) (756) — (4,670)Recoveries74 29 49 70 132 — 354Provision (credit)(25) 2,848 566 2,823 635 (93) 6,754Ending Balance$18,080 $8,862 $6,704 $20,434 $4,220 $5,814 $64,114Additional discussion related to changes in the allowance for credit losses can be found in Management's Discussion and Analysis of financial results on pages 42 and 49 of this Form 10-Q. |

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| - Definition
The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.
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