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Commitments And Contingencies (Outstanding Commitments ) (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Commercial Commitments To Extend Credit [Member]    
Loss Contingencies [Line Items]    
Commitments outstanding $ 216,913 $ 249,526
Consumer Commitments To Extend Credit (Secured) [Member]    
Loss Contingencies [Line Items]    
Commitments outstanding 49,221 44,866
Consumer Commitments To Extend Credit (Unsecured) [Member]    
Loss Contingencies [Line Items]    
Commitments outstanding 5,605 5,668
Commitments To Extend Credit [Member]    
Loss Contingencies [Line Items]    
Commitments outstanding 271,739 300,060
Standby Letters of Credit [Member]    
Loss Contingencies [Line Items]    
Commitments outstanding $ 25,429 $ 28,630