Fair Value Of Financial Instruments (Valuation Methodology And Unobservable Inputs For Level 3 Assets Measured At Fair Value On Non-Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified						12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 Significant Unobservable Inputs (Level 3) [Member]	Dec. 31, 2011 Significant Unobservable Inputs (Level 3) [Member]	Dec. 31, 2012 Minimum [Member] Significant Unobservable Inputs (Level 3) [Member] Other Real Estate Owned [Member]	Dec. 31, 2012 Minimum [Member] Significant Unobservable Inputs (Level 3) [Member] Impaired Loans [Member]	Dec. 31, 2012 Maximum [Member] Significant Unobservable Inputs (Level 3) [Member] Other Real Estate Owned [Member]	Dec. 31, 2012 Maximum [Member] Significant Unobservable Inputs (Level 3) [Member] Impaired Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
OREO	$ 0	$ 358		$ 0	$ 358
Impaired loans	$ 2,912	$ 2,511	$ 4,104	$ 2,912	$ 2,511
Range of inputs, percentage						0.00%	0.00%	40.00%	40.00%