Fair Value Of Financial Instruments (Assets Measured At Fair Value Using Significant Unobservable Inputs) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
OREO	$ 0	$ 358	$ 340
Impaired loans	$ 2,740	$ 2,511
OREO [Member] | Minimum [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Range of Inputs	0.00%
OREO [Member] | Maximum [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Range of Inputs	40.00%
Impaired Loans [Member] | Minimum [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Range of Inputs	0.00%
Impaired Loans [Member] | Maximum [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Range of Inputs	40.00%