Fair Value of Financial Instruments, Quantitative Information (Details) (Significant Unobservable Inputs Level 3 [Member], USD $) In Thousands, unless otherwise specified	Jun. 30, 2012
Foreclosed Properties [Member]
Additional quantitative information about assets measured at fair value on a nonrecurring basis [Abstract]
Assets, Fair Value	$ 12,293
Impaired loans and leases [Member]
Additional quantitative information about assets measured at fair value on a nonrecurring basis [Abstract]
Assets, Fair Value	$ 4,894
Appraisal of collateral valuation technique [Member] | Foreclosed Properties [Member]
Additional quantitative information about assets measured at fair value on a nonrecurring basis [Abstract]
Range (Weighted Average) of Appraisal adjustments (in hundredths)	(2.50%)	[1]
Appraisal of collateral valuation technique [Member] | Maximum [Member] | Foreclosed Properties [Member]
Additional quantitative information about assets measured at fair value on a nonrecurring basis [Abstract]
Range (Weighted Average) of Appraisal adjustments (in hundredths)	0.00%	[1]
Appraisal of collateral valuation technique [Member] | Maximum [Member] | Impaired loans and leases [Member]
Additional quantitative information about assets measured at fair value on a nonrecurring basis [Abstract]
Range (Weighted Average) of Appraisal adjustments (in hundredths)	0.00%
Range (Weighted Average) of Liquidation expenses (in hundredths)	(0.50%)	[1]
Appraisal of collateral valuation technique [Member] | Minimum [Member] | Foreclosed Properties [Member]
Additional quantitative information about assets measured at fair value on a nonrecurring basis [Abstract]
Range (Weighted Average) of Appraisal adjustments (in hundredths)	(61.00%)	[1]
Appraisal of collateral valuation technique [Member] | Minimum [Member] | Impaired loans and leases [Member]
Additional quantitative information about assets measured at fair value on a nonrecurring basis [Abstract]
Range (Weighted Average) of Appraisal adjustments (in hundredths)	(33.50%)
Range (Weighted Average) of Liquidation expenses (in hundredths)	(7.00%)	[1]
Appraisal of collateral valuation technique [Member] | Weighted Average [Member] | Impaired loans and leases [Member]
Additional quantitative information about assets measured at fair value on a nonrecurring basis [Abstract]
Range (Weighted Average) of Appraisal adjustments (in hundredths)	(8.80%)
Range (Weighted Average) of Liquidation expenses (in hundredths)	(1.90%)	[1]
Salvageable value of collateral valuation technique [Member] | Impaired loans and leases [Member]
Additional quantitative information about assets measured at fair value on a nonrecurring basis [Abstract]
Range (Weighted Average) of Salvageable value of collateral (in hundredths)	0.00%	[2]
Discounted cash flow [Member] | Impaired loans and leases [Member]
Additional quantitative information about assets measured at fair value on a nonrecurring basis [Abstract]
Range (Weighted Average) of Discount rate (in hundredths)	(12.00%)
Sales prices [Member] | Maximum [Member] | Foreclosed Properties [Member]
Additional quantitative information about assets measured at fair value on a nonrecurring basis [Abstract]
Range (Weighted Average) of Liquidation expenses (in hundredths)	(1.20%)
Sales prices [Member] | Minimum [Member] | Foreclosed Properties [Member]
Additional quantitative information about assets measured at fair value on a nonrecurring basis [Abstract]
Range (Weighted Average) of Liquidation expenses (in hundredths)	(10.50%)
Sales prices [Member] | Weighted Average [Member] | Foreclosed Properties [Member]
Additional quantitative information about assets measured at fair value on a nonrecurring basis [Abstract]
Range (Weighted Average) of Liquidation expenses (in hundredths)	(5.60%)

[1] Appraisals may be adjusted for qualitative factors such as interior condition of the property and liquidation expenses. Fair value may also be based on negotiated settlements with the borrower.

[2] Leases are measured using the salvageable value of the collateral.