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Loans (Narrative) (Details) (USD $)
Aug. 03, 2012
Jun. 30, 2012
Dec. 31, 2011
Financing Receivable, Modifications [Line Items]      
Weighted Average Risk Rating, Commercial Loans 4.80   4.87
Financing Receivable, Modifications, Recorded Investment   $ 13,300,000 $ 19,700,000
Accrued Interest   16,000 46,000
Related Allowance on Loans Individually Evaluated for Impairment   1,311,000 1,815,000
Loan Receivable, Troubled Debt Restructurings [Member]
     
Financing Receivable, Modifications [Line Items]      
Related Allowance on Loans Individually Evaluated for Impairment   $ 802,000 $ 858,000