Loans And Allowance For Credit Losses (Interest Income Recognized on Impaired Loans) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	$ 742	$ 1,480
Business [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	341	682
Real Estate - Construction And Land [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	6	11
Real Estate - Business [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	116	231
Real Estate - Personal [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	31	62
Consumer [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	79	157
Revolving Home Equity [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	1	2
Consumer Credit Card [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	$ 168	$ 335