Commitments And Contingencies (Outstanding Commitments ) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Commercial Commitments To Extend Credit [Member]
Loss Contingencies [Line Items]
Commitments outstanding	$ 248,251	$ 216,913
Consumer Commitments To Extend Credit (Secured) [Member]
Loss Contingencies [Line Items]
Commitments outstanding	56,898	49,221
Consumer Commitments To Extend Credit (Unsecured) [Member]
Loss Contingencies [Line Items]
Commitments outstanding	5,088	5,605
Commitments To Extend Credit [Member]
Loss Contingencies [Line Items]
Commitments outstanding	310,237	271,739
Standby Letters of Credit [Member]
Loss Contingencies [Line Items]
Commitments outstanding	$ 26,382	$ 25,429