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Commitments and Contingencies (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]      
Financing receivable allowance for credit losses $ 2,400,000   $ 2,800,000
Financing receivable acquired during period 0 0  
Financing receivable significant sales 0 0  
Performing Financing Receivable [Member]
     
Financing Receivable, Recorded Investment [Line Items]      
Financing receivable 19,300,000   24,500,000
Performing Financing Receivable [Member] | Residential, Prime, Financing Receivable [Member]
     
Financing Receivable, Recorded Investment [Line Items]      
Financing receivable 15,700,000   19,800,000
Performing Financing Receivable [Member] | Commercial Real Estate Other Receivable [Member]
     
Financing Receivable, Recorded Investment [Line Items]      
Financing receivable 3,600,000   4,700,000
Nonperforming Financing Receivable [Member]
     
Financing Receivable, Recorded Investment [Line Items]      
Financing receivable $ 0   $ 0