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Commitments And Contingencies (Outstanding Commitments ) (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Commercial Commitments To Extend Credit [Member]    
Loss Contingencies [Line Items]    
Commitments outstanding $ 253,981 $ 248,251
Consumer Commitments To Extend Credit (Secured) [Member]    
Loss Contingencies [Line Items]    
Commitments outstanding 61,545 56,898
Consumer Commitments To Extend Credit (Unsecured) [Member]    
Loss Contingencies [Line Items]    
Commitments outstanding 5,330 5,088
Commitments To Extend Credit [Member]    
Loss Contingencies [Line Items]    
Commitments outstanding 320,856 310,237
Standby Letters of Credit [Member]    
Loss Contingencies [Line Items]    
Commitments outstanding $ 22,081 $ 26,382