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Loans (Narrative) (Details) (USD $)
Sep. 30, 2013
Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Financing Receivable, Modifications, Recorded Investment $ 543,000  
Financing Receivable Modifications Recorded Investment Current 494,000  
Loans and Leases Receivable, Impaired, Commitment to Lend 0  
Residential Real Estate
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Pledged assets separately reported, loans pledged as collateral, at fair value 233,800,000 202,000,000
Commerical Loans
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Pledged assets separately reported, loans pledged as collateral, at fair value $ 148,900,000 $ 123,800,000