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Loans And Leases (Loans Modified As TDRs By Class Of Loans) (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Financing Receivable, Modifications [Line Items]    
Financing Receivable, Modifications, Recorded Investment $ 3,135 $ 3,161
Nonperforming Financing Receivable [Member]    
Financing Receivable, Modifications [Line Items]    
Financing Receivable, Modifications, Recorded Investment 97 100
Commercial Portfolio Segment [Member] | Nonperforming Financing Receivable [Member]    
Financing Receivable, Modifications [Line Items]    
Financing Receivable, Modifications, Recorded Investment $ 97 $ 100