Loans And Allowance For Loan Losses (Interest Income Recognized on Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	$ 812	$ 897	$ 2,434	$ 2,688
Business [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	124	248	372	745
Real Estate - Construction And Land [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	218	210	653	630
Real Estate - Business [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	48	72	145	216
Real Estate - Personal [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	64	22	192	65
Consumer [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	87	16	261	47
Revolving Home Equity [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	9	1	26	2
Consumer Credit Card [Member]
Loans And Allowance For Loan Losses [Line Items]
Interest income recognized	$ 262	$ 328	$ 785	$ 983