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Loans (Loans Modified As TDRs By Class Of Loans) (Details) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Financing Receivable, Modifications [Line Items]    
Financing Receivable, Modifications, Recorded Investment $ 5,417,000 $ 5,655,000
Nonperforming Financing Receivable [Member]    
Financing Receivable, Modifications [Line Items]    
Financing Receivable, Modifications, Recorded Investment 387 422
Commercial Portfolio Segment [Member] | Nonperforming Financing Receivable [Member]    
Financing Receivable, Modifications [Line Items]    
Financing Receivable, Modifications, Recorded Investment 221 249
Single-Family Residential[Member] | Nonperforming Financing Receivable [Member]    
Financing Receivable, Modifications [Line Items]    
Financing Receivable, Modifications, Recorded Investment $ 166 $ 173