Commitments And Contingencies (Outstanding Commitments ) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Commercial Commitments To Extend Credit [Member]
Loss Contingencies [Line Items]
Commitments outstanding	$ 241,341	$ 248,251
Consumer Commitments To Extend Credit (Secured) [Member]
Loss Contingencies [Line Items]
Commitments outstanding	58,712	56,898
Consumer Commitments To Extend Credit (Unsecured) [Member]
Loss Contingencies [Line Items]
Commitments outstanding	5,146	5,088
Commitments To Extend Credit [Member]
Loss Contingencies [Line Items]
Commitments outstanding	305,199	310,237
Standby Letters of Credit [Member]
Loss Contingencies [Line Items]
Commitments outstanding	$ 24,199	$ 26,382