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Loans (Summary of Loan Portfolio) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans, net of unearned income $ 713,911 $ 721,165
Commercial [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans, net of unearned income 98,966 102,822
Commercial loans secured by real estate [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans, net of unearned income 376,161 383,339
Real estate-mortgage [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans, net of unearned income 221,716 217,584
Consumer [Member]
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans, net of unearned income $ 17,068 $ 17,420