Fair Value of Financial Instruments (Quantitative Information About Level 3 Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Impaired Loans	$ 17,182	$ 15,659
Other real estate owned	$ 2,042	$ 6,479
Maximum [Member] | Impaired Loans [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Range Weighted Average	46.00%
Maximum [Member] | Other Real Estate Owned [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Range Weighted Average	8.00%
Minimum [Member] | Impaired Loans [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Range Weighted Average	0.00%
Minimum [Member] | Other Real Estate Owned [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Range Weighted Average	2.00%
Weighted Average [Member] | Impaired Loans [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Range Weighted Average	14.00%
Weighted Average [Member] | Other Real Estate Owned [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Range Weighted Average	7.00%