v2.4.0.6
Noncovered Loans (Narrative) (Details) (USD $)
12 Months Ended
Dec. 31, 2011
contract
loan
Dec. 31, 2010
loan
Dec. 31, 2009
Financing Receivable, Recorded Investment [Line Items]      
Loans to related parties $ 9,000,000 $ 12,900,000  
Advances on related party loans 3,700,000    
Repayments on related party loans 7,600,000    
Commercial and residential real estate loans pledged as FHLB collateral 539,454,000 523,051,000  
Loans and Leases Receivable, Impaired, Nonperforming, Nonaccrual of Interest 53,500,000 89,200,000  
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans 5,300,000 6,400,000 7,600,000
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing, Number of Loans 0 1  
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing   1,000  
Loans and Leases Receivable, Nonaccrual of Interest, Commitments of Additional Funds 2,000,000 5,600,000  
Additional funds committed to lend on loans classified as TDR 535,000    
Financing Receivable, Modifications, Subsequent Default, Number of Contracts 0    
Loans Receivable [Member]
     
Financing Receivable, Recorded Investment [Line Items]      
Commercial and residential real estate loans pledged as FHLB collateral $ 462,040,000 $ 426,555,000