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Commitments And Contingencies (Outstanding Commitments ) (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Commercial Commitments To Extend Credit [Member]    
Loss Contingencies [Line Items]    
Commitments outstanding $ 270,082 $ 216,913
Consumer Commitments To Extend Credit (Secured) [Member]    
Loss Contingencies [Line Items]    
Commitments outstanding 51,252 49,221
Consumer Commitments To Extend Credit (Unsecured) [Member]    
Loss Contingencies [Line Items]    
Commitments outstanding 5,392 5,605
Commitments To Extend Credit [Member]    
Loss Contingencies [Line Items]    
Commitments outstanding 326,726 271,739
Standby Letters of Credit [Member]    
Loss Contingencies [Line Items]    
Commitments outstanding $ 27,382 $ 25,429