Fair Value Of Financial Instruments (Qualitative Information About Level 3 Fair Value Measurements) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011
Impaired Loans [Member]
Financial Assets	$ 12,433	$ 11,571
Impaired Loans [Member] | Significant Unobservable Inputs (Level III) [Member]
Financial Assets	12,433	11,571
Valuation Techniques	Apprasial of collateral
Foreclosed Real Estate [Member]
Financial Assets	5,064	4,959
Foreclosed Real Estate [Member] | Significant Unobservable Inputs (Level III) [Member]
Financial Assets	$ 5,064	$ 4,959
Valuation Techniques	Apprasial of collateral
Appraisal Adjustments [Member] | Maximum [Member] | Significant Unobservable Inputs (Level III) [Member]
Range (Weighted Average)	66.30%
Appraisal Adjustments [Member] | Weighted Average [Member] | Significant Unobservable Inputs (Level III) [Member]
Range (Weighted Average)	11.30%
Appraisal Adjustments [Member] | Impaired Loans [Member] | Significant Unobservable Inputs (Level III) [Member]
Unobservable Input	Apprasial adjustments
Appraisal Adjustments [Member] | Impaired Loans [Member] | Minimum [Member] | Significant Unobservable Inputs (Level III) [Member]
Range (Weighted Average)	0.00%
Selling Expenses [Member] | Impaired Loans [Member] | Significant Unobservable Inputs (Level III) [Member]
Unobservable Input	Selling expenses
Selling Expenses [Member] | Impaired Loans [Member] | Minimum [Member] | Significant Unobservable Inputs (Level III) [Member]
Range (Weighted Average)	7.00%
Selling Expenses [Member] | Impaired Loans [Member] | Weighted Average [Member] | Significant Unobservable Inputs (Level III) [Member]
Range (Weighted Average)	7.00%