Commitments And Contingencies (Outstanding Commitments ) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Commercial Commitments To Extend Credit [Member]
Loss Contingencies [Line Items]
Commitments outstanding	$ 259,711	$ 216,913
Consumer Commitments To Extend Credit (Secured) [Member]
Loss Contingencies [Line Items]
Commitments outstanding	52,823	49,221
Consumer Commitments To Extend Credit (Unsecured) [Member]
Loss Contingencies [Line Items]
Commitments outstanding	5,176	5,605
Commitments To Extend Credit [Member]
Loss Contingencies [Line Items]
Commitments outstanding	317,710	271,739
Standby Letters of Credit [Member]
Loss Contingencies [Line Items]
Commitments outstanding	$ 26,743	$ 25,429