| **Loans and Allowance**    | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         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| **Receivables [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  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| Loans and Allowance        | LOANS AND ALLOWANCEThe Corporation's primary lending focus is small business and middle market commercial, residential real estate, auto and small consumer lending, which results in portfolio diversification.  The following tables show the composition in the loan portfolio, loan grades and the allowance for loan losses excluding loans held for sale.  Residential real estate loans held for sale at December 31, 2012, and December 31, 2011, were $22,300,000 and $17,864,000, respectively.Effective February 10, 2012, the Bank assumed $113.0 million in loans as part of the Purchase and Assumption Agreement discussed in NOTE 2. PURCHASE AND ASSUMPTION included in the Notes to Consolidated Condensed Financial Statements of this Form 10-K. This loan portfolio was acquired at a fair value discount of $19.2 million. The following table shows the composition of the Corporation’s loan portfolio by loan class for the years indicated:December 31, 2012December 31, 2011Loans:  Commercial and industrial loans$622,579$532,523Agricultural production financing and other farm loans112,527104,526Real estate loans: Construction98,63981,780Commercial and farmland1,266,6821,194,230Residential473,537481,493Home Equity203,406191,631Individual's loans for household and other personal expenditures75,74884,172Lease financing receivables, net of unearned income2,5903,555Other loans46,50139,505Loans2,902,2092,713,415Allowance for loan losses(69,366)(70,898)Net Loans$2,832,843$2,642,517  The Corporation maintains an allowance for loan losses to cover probable credit losses identified during its loan review process. The allowance is increased by the provision for loan losses and decreased by charge offs less recoveries.  All charge offs are approved by the Bank’s senior loan officers or loan committees, depending on the amount of the charge off.  The Bank charges off a loan when a determination is made that all or a portion of the loan is uncollectible. The allowance for loan losses is maintained through the provision for loan losses, which is a charge against earnings.The amount provided for loan losses in a given period may be greater than or less than net loan losses experienced during the period, and is based on management’s judgment as to the appropriate level of the allowance for loan losses. The determination of the provision amount in a given period is based on management’s ongoing review and evaluation of the loan portfolio, including an internally administered loan "watch" list and independent loan reviews.  The evaluation takes into consideration identified credit problems, the possibility of losses inherent in the loan portfolio that are not specifically identified and management’s judgment as to the impact of current economic conditions on the portfolio.Management believes that the allowance for loan losses is adequate to cover probable losses inherent in the loan portfolio at December 31, 2012.  The process for determining the adequacy of the allowance for loan losses is critical to the Corporation’s financial results.  It requires management to make difficult, subjective and complex judgments, to estimate the effect of uncertain matters.  The allowance for loan losses considers current factors, including economic conditions and ongoing internal and external examinations, and will increase or decrease as deemed necessary to ensure the allowance remains adequate.  In addition, the allowance as a percentage of charge offs and nonperforming loans will change at different points in time based on credit performance, loan mix and collateral values.The historical loss allocation for loans not deemed impaired according to ASC 310 is the product of the volume of loans within the non-impaired criticized and non-criticized risk grade classifications, each segmented by call code, and the historical loss factor for each respective classification and call code segment.  The historical loss factors are based upon actual loss experience within each risk and call code classification.  The historical look back period for non-criticized loans looks to the most recent rolling-four-quarter average and aligns with the look back period for non-impaired criticized loans.  Each of the rolling four quarter periods used to obtain the average, include all charge offs for the previous twelve-month period, therefore the historical look back period includes seven quarters. The resulting allocation is reflective of current conditions.  Criticized loans are grouped based on the risk grade assigned to the loan.  Loans with a special mention grade are assigned a loss factor, and loans with a classified grade but not impaired are assigned a separate loss factor.  The loss factor computation for this allocation includes a segmented historical loss migration analysis of criticized risk grades to charge off.In addition to the specific reserves and historical loss components of the allowance, consideration is given to various environmental factors to help ensure that losses inherent in the portfolio are reflected in the allowance for loan losses.  The environmental component adjusts the historical loss allocations for commercial and consumer loans to reflect relevant current conditions that, in management's opinion, have an impact on loss recognition.  Environmental factors that management reviews in the analysis include: national and local economic trends and conditions; trends in growth in the loan portfolio and growth in higher risk areas; levels of, and trends in, delinquencies and non-accruals; experience and depth of lending management and staff; adequacy of, and adherence to, lending policies and procedures including those for underwriting; industry concentrations of credit; and adequacy of risk identification systems and controls through the internal loan review and internal audit processes.The risk characteristics of the Corporation’s material portfolio segments are as follows:CommercialCommercial loans are primarily based on the identified cash flows of the borrower and secondarily on the underlying collateral provided by the borrower.  The cash flows of borrowers, however, may not be as expected and the collateral securing these loans may fluctuate in value. Most commercial loans are secured by the assets being financed or other business assets such as accounts receivable or inventory and may incorporate a personal guarantee; however, some short-term loans may be made on an unsecured basis. In the case of loans secured by accounts receivable, the availability of funds for the repayment of these loans may be substantially dependent on the ability of the borrower to collect amounts due from its customers.Commercial real estateThese loans are viewed primarily as cash flow loans and secondarily as loans secured by real estate.  Commercial real estate lending typically involves higher loan principal amounts and the repayment of these loans is generally dependent on the successful operation of the property securing the loan or the business conducted on the property securing the loan.  Commercial real estate loans may be more adversely affected by conditions in the real estate markets or in the general economy.  Management monitors and evaluates commercial real estate loans based on collateral and risk grade criteria.  In addition, management tracks the level of owner-occupied commercial real estate loans versus non-owner occupied loans.Residential and ConsumerWith respect to residential loans that are secured by 1-4 family residences and are generally owner occupied, the Corporation generally establishes a maximum loan-to-value ratio and requires private mortgage insurance if that ratio is exceeded. Home equity loans are typically secured by a subordinate interest in 1-4 family residences, and consumer loans are secured by consumer assets such as automobiles or recreational vehicles.  Some consumer loans are unsecured such as small installment loans and certain lines of credit. Repayment of these loans is primarily dependent on the personal income and credit rating of the borrowers, which can be impacted by economic conditions in their market areas such as unemployment levels.  Repayment can also be impacted by changes in property values on residential properties. Risk is mitigated by the fact that the loans are of smaller individual amounts and spread over a large number of borrowers.The following table summarizes changes in the allowance for loan losses by loan segment for the twelve months ended December 31, 2012, December 31, 2011 and December 31, 2010:  Twelve Months Ended December 31, 2012 CommercialReal Estate CommercialConsumerResidentialFinanceLeasesTotalAllowance for loan losses:      Balances, January 1$17,731$37,919$2,902$12,343$3$70,898Provision for losses14,749(2,546)1266,1762918,534Recoveries on loans1,7443,6526951,11327,206Loans charged off(8,311)(12,322)(1,130)(5,475)(34)(27,272)Balances, December 31, 2012$25,913$26,703$2,593$14,157$69,366  Twelve Months Ended December 31, 2011 CommercialReal Estate CommercialConsumerResidentialFinanceLeasesTotalAllowance for loan losses:      Balances, January 1$32,508$36,341$3,622$10,408$98$82,977Provision for losses(13,787)28,574(221)8,166(102)22,630Recoveries on loans8,8282,8119421,176713,764Loans charged off(9,818)(29,807)(1,441)(7,407)(48,473)Balances, December 31, 2011$17,731$37,919$2,902$12,343$3$70,898  Twelve Months Ended December 31, 2010 CommercialReal Estate CommercialConsumerResidentialFinanceLeasesTotalAllowance for loan losses:      Balances, January 1$48,770$30,189$2,242$10,751$179$92,131Provision for losses(180)37,5552,8686,267(27)46,483Recoveries on loans6,7501,4209382,82711,935Loans charged off(22,832)(32,823)(2,426)(9,437)(54)(67,572)Balances, December 31, 2010$32,508$36,341$3,622$10,408$98$82,977 The following tables show the Corporation’s allowance for credit losses and loan portfolio by loan segment for the years indicated: December 31, 2012 CommercialCommercialReal EstateConsumerResidentialFinanceLeasesTotalAllowance Balances:      Individually evaluated for impairment$1,628$2,565$50$4,243Collectively evaluated for impairment24,28524,138$2,59314,10765,123Loans Acquired with Deteriorated Credit QualityTotal Allowance for Loan Losses$25,913$26,703$2,593$14,157$69,366Loan Balances:      Individually evaluated for impairment$14,190$45,394$8,515$68,099Collectively evaluated for impairment765,7071,309,912$75,748667,401$2,5902,821,358Loans Acquired with Deteriorated Credit Quality1,71010,0151,02712,752Loans$781,607$1,365,321$75,748$676,943$2,590$2,902,209  December 31, 2011CommercialCommercialReal EstateConsumerResidentialFinanceLeasesTotalAllowance Balances:      Individually evaluated for impairment$4,701$2,504 $733 $7,938Collectively evaluated for impairment13,03035,415$2,90211,610$362,960Total Allowance for Loan Losses$17,731$37,919$2,902$12,343$3$70,898Loan Balances:      Individually evaluated for impairment$18,793$51,980 $12,546 $83,319Collectively evaluated for impairment657,7611,224,030$84,172660,578$3,5552,630,096Loans$676,554$1,276,010$84,172$673,124$3,555$2,713,415 Loans are reclassified to a non-accruing status when, in management’s judgment, the collateral value and financial condition of the borrower do not justify accruing interest. Interest previously recorded, but not deemed collectible, is reversed and charged against current income. Payments subsequently received on non-accrual loans are applied to principal.  A loan is returned to accrual status when principal and interest are no longer past due and collectability is probable, typically after a minimum of six consecutive months of performance.  Payments received on impaired accruing or delinquent loans are applied to interest income as accrued.The following table summarizes the Corporation’s non-accrual loans by loan class for the years indicated:December 31, 2012December 31, 2011Commercial and Industrial$12,195$12,246Real Estate Loans: Construction4,8148,990Commercial and farmland22,61231,093Residential11,47614,805Home Equity1,9971,896Individuals loans for household and other personal expenditures1Lease financing receivables, net of unearned income301Other Loans4561Total$53,399$69,592Commercial impaired loans include all non-accrual loans, loans accounted for under SOP-03-3 and renegotiated loans, as well as substandard, doubtful and loss grade loans that were still accruing but deemed impaired according to guidance set forth in ASC 310.  Also included in impaired loans are accruing loans that are contractually past due 90 days or more. A loan is deemed impaired when, based on current information or events, it is probable that all amounts due of principal and interest according to the contractual terms of the loan agreement will not be collected.Allowable methods for determining the amount of impairment include estimating fair value using the fair value of the collateral for collateral dependent loans.  If the impaired loan is identified as collateral dependent, then the fair value method of measuring the amount of impairment is utilized.  This method requires obtaining a current independent appraisal of the collateral and applying a discount factor to the value.  The fair value of real estate is generally based on appraisals by qualified licensed appraisers.  The appraisers typically determine the value of the real estate by utilizing an income or market valuation approach.  If an appraisal is not available, the fair value may be determined by using a cash flow analysis.  Fair value on other collateral such as business assets is typically ascertained by assessing, either singularly or some combination of,  asset appraisals, accounts receivable aging reports, inventory listings andor customer financial statements.   Both appraised values and values based on borrower’s financial information are discounted as considered appropriate based on age and quality of the information and current market conditions.The following tables show the composition of only the Corporation’s commercial impaired loans by loan class for the years indicated: December 31, 2012 Unpaid PrincipalBalanceRecordedInvestmentRelatedAllowanceAverage Recorded InvestmentInterest Income RecognizedImpaired loans with no related allowance:     Commercial and industrial$28,532$11,730 $15,089$124Real Estate Loans:     Construction9,7875,164 6,47166Commercial and farmland58,17343,204 46,7881,211Residential8,8206,215 7,12983Home equity4,1991,006 1,02213Other loans8314 181Total$109,594$67,333 $76,517$1,498Impaired loans with related allowance:     Commercial and industrial$4,415$4,155$1,628$4,225$33Real Estate Loans:     Construction1,2021,0581051,175 Commercial and farmland5,5795,1822,4605,23995Residential1,7221,451501,45875Total$12,918$11,846$4,243$12,097$203Total Impaired Loans$122,512$79,179$4,243$88,614$1,701 December 31, 2011 Unpaid PrincipalBalanceRecordedInvestmentRelatedAllowanceAverage Recorded InvestmentInterest Income RecognizedImpaired loans with no related allowance:     Commercial and industrial$23,364$10,116 $13,399$615Real Estate Loans:     Construction14,3017,701 8,836 Commercial and farmland49,24234,571 39,032591Residential7,4916,185 6,53920Home equity4,4251,241 1,50015Other loans9921 24Total$98,922$59,835 $69,330$1,241Impaired loans with related allowance:     Commercial and industrial$8,691$8,104$4,142$8,196$174Real Estate Loans:     Construction961961321961 Commercial and farmland12,1158,7482,18310,028140Residential1,8881,5753911,6877Other loans579552559590 Total$24,234$19,940$7,596$21,462$321Total Impaired Loans$123,156$79,775$7,596$90,792$1,562  December 31, 2010 Unpaid Principal BalanceRecorded InvestmentRelated AllowanceImpaired loans with no related allowance:           Commercial and industrial$30,006$16,572               other loans to farmers966530          Real Estate Loans:                Construction12,5989,150               Commercial and farm land64,06443,653               Residential7,9095,153               Home equity4,4601,245          Other loans10114                  Total$120,104$76,317  Impaired loans with related allowance:           Commercial and industrial$11,477$11,374$5,250          Real Estate Loans:                Construction9,3537,8242,049               Commercial and farm land17,98417,0765,496               Residential2,7402,691465               Home equity458446178          Other loans476476476                  Total$42,488$39,887$13,914Total Impaired Loans$162,592$116,204$13,914As part of the ongoing monitoring of the credit quality of the Corporation's loan portfolio, management tracks certain credit quality indicators including trends related to: (i) the level of criticized commercial loans, (ii) net charge offs, (iii) non-performing loans and (iv) the general national and local economic conditions. The Corporation utilizes a risk grading of pass, special mention, substandard, doubtful and loss to assess the overall credit quality of large commercial loans.  All large commercial credit grades are reviewed at a minimum of once a year for pass grade loans.  Loans with grades below pass are reviewed more frequently depending on the grade.  A description of the general characteristics of these grades is as follows: •Pass - Loans that are considered to be of acceptable credit quality.•Special Mention - Loans which possess some credit deficiency or potential weakness, which deserves close attention.  If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the asset or in the Corporation's credit position at some future date.  Special mention assets are not adversely classified and do not expose the Corporation to sufficient risk to warrant adverse classification.  The key distinctions of this category's classification are that it is indicative of an unwarranted level of risk; and weaknesses are considered “potential”, not “defined”, impairments to the primary source of repayment. Examples include businesses that may be suffering from inadequate management, loss of key personnel or significant customer or litigation.•Substandard - A substandard loan is inadequately protected by the current net worth and paying capacity of the obligor or of the collateral pledged, if any.  Assets so classified have a well-defined weakness that jeopardizes the liquidation of the debt.  They are characterized by the distinct possibility that the Corporation will sustain some loss if the deficiencies are not corrected.  Other characteristics may include: othe likelihood that a loan will be paid from the primary source of repayment is uncertain or financial deterioration is underway and very close attention is warranted to ensure that the loan is collected without loss, othe primary source of repayment is gone, and the Corporation is forced to rely on a secondary source of repayment, such as collateral liquidation or guarantees, oloans have a distinct possibility that the Corporation will sustain some loss if deficiencies are not corrected, ounusual courses of action are needed to maintain a high probability of repayment, othe borrower is not generating enough cash flow to repay loan principal; however, it continues to make interest payments, othe Corporation is forced into a subordinated or unsecured position due to flaws in documentation, oloans have been restructured so that payment schedules, terms and collateral represent concessions to the borrower when compared to the normal loan terms, othe Corporation is seriously contemplating foreclosure or legal action due to the apparent deterioration of the loan, and othere is significant deterioration in market conditions to which the borrower is highly vulnerable.•Doubtful - Loans that have all of the weaknesses of those classified as Substandard.  However, based on currently existing facts, conditions and values, these weaknesses make full collection of principal highly questionable and improbable. Other credit characteristics may include the primary source of repayment is gone or there is considerable doubt as to the quality of the secondary sources of repayment. The possibility of loss is high, but because of certain important pending factors that may strengthen the loan, loss classification is deferred until the exact status of repayment is known.•Loss – Loans that are considered uncollectible and of such little value that continuing to carry them as an asset is not warranted. Loans will be classified as Loss when it is neither practical not desirable to defer writing off or reserving all or a portion of a basically worthless asset, even though partial recovery may be possible at some time in the future.The following tables summarize the credit quality of the Corporation’s loan portfolio, by loan class for the years indicated.  Consumer non-performing loans include accruing consumer loans 90 plus days delinquent and consumer non-accrual loans.  The entire balance of a loan is considered delinquent if the minimum payment contractually required to be made is not received by the specified date. December 31, 2012 Commercial PassCommercial Special MentionCommercial SubstandardCommercial DoubtfulCommercial LossConsumer PerformingConsumerNon PerformingTotalCommercial and Industrial$559,852$23,678$34,460$4,589   $622,579Agriculture production financing and other farm loans112,20922494   112,527Real Estate Loans:      Construction85,7281,38411,356 17198,639Commercial and farmland1,148,56138,19979,078553 2911,266,682Residential145,4025,43713,880922 301,6146,282473,537Home Equity9,0928931,657 189,7212,043203,406Individuals loans for household and other personal expenditures     75,74875,748Lease financing receivables, net of unearned income 2,2893012,590Other Loans46,47328 46,501Loans$2,107,317$69,815$140,553$6,064                        $569,372$9,088$2,902,209 December 31, 2011 Commercial PassCommercial Special MentionCommercial SubstandardCommercial DoubtfulCommercial LossConsumer PerformingConsumerNon PerformingTotalCommercial and Industrial$478,885$22,405$28,025$3,208   $532,523Agriculture production financing and other farm loans101,2891,5821,655    104,526Real Estate Loans:       Construction47,6113,67222,376  $7,762$35981,780Commercial and farmland1,033,39754,697103,3301,724 1,035471,194,230Residential139,2379,17516,699500 308,3067,576481,493Home Equity15,9124993,317  170,7761,127191,631Individuals loans for household and other personal expenditures     84,1215184,172Lease financing receivables, net of unearned income     3,555 3,555Other Loans38,9171521552   39,505Loans$1,855,248$92,045$175,423$5,984                        $575,555$9,160$2,713,415The following tables show a past due aging of the Corporation’s loan portfolio, by loan class, for the years indicated:December 31, 2012 Current30-59 DaysPast Due60-89 DaysPast DueLoans > 90 DaysAnd AccruingNon-AccrualTotal Past Due& Non-AccrualTotalCommercial and industrial$607,442$2,628$144$170$12,195$15,137$622,579Agriculture production financing and other farm loans112,527112,527Real Estate Loans:       Construction93,426399  4,8145,21398,639Commercial and farmland1,238,9073,2761,8226522,61227,7751,266,682Residential453,7435,7341,3381,24611,47619,794473,537Home equity199,0631,4673235561,9974,343203,406Individuals loans for household and other personal expenditures74,91979930 82975,748Lease financing receivables, net of unearned income2,289   3013012,590Other loans46,497   4446,501Loans$2,828,813$14,303$3,657$2,037$53,399$73,396$2,902,209  December 31, 2011 Current30-59 DaysPast Due60-89 DaysPast DueLoans > 90 DaysAnd AccruingNon-AccrualTotal Past Due& Non-AccrualTotalCommercial and industrial$518,764$1,332$135$46$12,246$13,759$532,523Agriculture production financing and other farm loans104,4646262104,526Real Estate Loans:       Construction69,3053283,126318,99012,47581,780Commercial and farmland1,140,89716,4575,78331,09353,3331,194,230Residential458,9255,4852,08719114,80522,568481,493Home equity187,7881,0965902611,8963,843191,631Individuals loans for household and other personal expenditures82,8371,0752085111,33584,172Lease financing receivables, net of unearned income3,555   3,555Other loans38,94456156139,505Loans$2,605,479$25,835$11,929$580$69,592$107,936$2,713,415  See the information regarding the analysis of loan loss experience in the “LOAN QUALITY" section of Management’s Discussion and Analysis of Financial Condition and Results of Operations included as Item 7 of this Annual Report on Form 10-K.Due to challenging economic conditions, borrowers of all types have experienced declines in income and cash flow.  As a result, borrowers are occasionally seeking to reduce contractual cash outlays including debt payments.  Concurrently, in an effort to preserve and protect its earning assets, specifically troubled loans, the Corporation is working to maintain its relationship with certain customers who are experiencing financial difficulty by contractually modifying the borrower's debt agreement with the Corporation.  In certain loan restructuring situations, the Corporation may grant a concession to a debtor experiencing financial difficulty, resulting in a trouble debt restructuring.  A concession is deemed to be granted when, as a result of the restructuring, the Corporation does not expect to collect all amounts due, including interest accrued at the original contract rate.  If the payment of principal at original maturity is primarily dependent on the value of collateral, the current value of the collateral is considered in determining whether the principal will be paid.The following tables summarize troubled debt restructurings that occurred during the periods ended December 31, 2012 and December 31, 2011: December 31, 2012Pre-ModificationRecorded BalancePost-ModificationRecorded BalanceNumberof LoansCommercial and Industrial$1,562$1,5479Real Estate Loans:   Construction7946532Commercial and farmland10,36610,15414Residential2,3022,17220Individuals loans for household and other personal expenditures1701975Total$15,194$14,72350   December 31, 2011Pre-ModificationRecorded BalancePost-ModificationRecorded BalanceNumberof LoansCommercial and Industrial$4,023$4,03317Real Estate Loans:  Construction7917265Commercial and farmland17,29715,26019Residential6,8927,07652Individuals loans for household and other personal expenditures90949Other Loans12121Total $29,105$27,201103The following tables show the recorded investment of troubled debt restructurings, by modification type,  that occurred during the years indicated: December 31, 2012TermModificationRateModificationCombinationTotalModificationCommercial and Industrial$259$1,029$1,288Real Estate Loans:    Construction625625Commercial and farmland6,668$9033817,952Residential5253809951,900Individuals loans for household and other personal expenditures7183190Total$7,452$1,290$3,213$11,955 December 31, 2011TermModificationRateModificationCombinationTotalModificationCommercial and Industrial$3,816$118$3,934Real Estate Loans:    Construction581$12517723Commercial and farmland10,3389542,81014,102Residential5,610991,0226,731Home Equity553489Other Loans1212Total$20,412$1,178$4,001$25,591Loans secured by commercial and farm real estate made up 69 percent of the post-modification balances of the troubled debt restructured loans during the twelve months ending December 31, 2012.  The second largest class of troubled debt restructurings during 2012 was residential real estate loans, accounting for 15 percent of the total post modification balances.The following tables summarize troubled debt restructures that occurred during the twelve months ended December 31, 2012 and December 31, 2011, that subsequently defaulted during those periods:Twelve Months Ended December 31, 2012 Number of LoansRecorded BalanceCommercial and Industrial1$23Real Estate Loans:Commercial and farmland2212Residential4385Total7$620Twelve Months Ended December 31, 2011 Number of LoansRecorded BalanceCommercial and Industrial3$471Real Estate Loans:Commercial and farmland31,951Residential7557Individuals loans for household and other personal expenditures15Total14$2,984For potential consumer loan restructures, impairment evaluation occurs prior to modification.  Any subsequent impairment is typically addressed through the charge off process, or may be addressed through a specific reserve.  Consumer troubled debt restructurings are generally included in the general historical allowance for loan loss at the post modification balance.  Consumer non-accrual and delinquent troubled debt restructurings are also considered in the calculation of the non-accrual and delinquency trend environmental allowance allocation.  Commercial troubled debt restructured loans risk graded special mention, substandard, doubtful and loss are individually evaluated for impairment under ASC 310.  Any resulting specific reserves are included in the allowance for loan losses. Commercial 30 - 89 day delinquent troubled debt restructurings are included in the calculation of the delinquency trend environmental allowance allocation. All commercial non-impaired loans, including non-accrual and 90+ day delinquents, are included in the ASC 450 loss migration analysis. |

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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.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3, 4 -Article 5Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5074-111524Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5162-111524Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph k -Article 4Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 01-6 -Paragraph 13 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.  This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5066-111524Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Article 9
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