Loans And Allowance For Loan Losses (Interest Income Recognized on Impaired Loans) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	$ 599	$ 513
Business [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	274	135
Real Estate - Construction And Land [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	2	80
Real Estate - Business [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	36	15
Real Estate - Personal [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	46	53
Consumer [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	90	52
Revolving Home Equity [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	5	4
Consumer Credit Card [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	$ 146	$ 174