Loans And Allowance For Loan Losses (Interest Income Recognized on Impaired Loans) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	$ 630	$ 444	$ 1,892	$ 1,331
Business [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	277	63	830	188
Real Estate - Construction And Land [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	2	22	7	66
Real Estate - Business [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	42	33	126	99
Real Estate - Personal [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	39	47	118	142
Consumer [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	89	87	267	261
Revolving Home Equity [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	7	6	22	17
Consumer Credit Card [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	$ 174	$ 186	$ 522	$ 558