Fair Value of Financial Instruments - Quantitative Information (Details) - Appraisal of collateral valuation technique [Member] - Level 3 [Member] - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Impaired loans and leases [Member]
Additional quantitative information about assets measured at fair value on a nonrecurring basis [Abstract]
Impaired Loans And Leases Fair Value	$ 2,898	$ 5,496
Other real estate owned [Member]
Additional quantitative information about assets measured at fair value on a nonrecurring basis [Abstract]
Foreclosed Properties Valued On Nonrecurring Basis	$ 876	$ 2,384
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)	0.00%	0.00%
Range (Weighted Average) of Liquidation expenses (in hundredths	0.00%	0.00%
Minimum [Member] | Other real estate owned [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%	0.00%
Range (Weighted Average) of Liquidation expenses (in hundredths	0.00%	0.00%
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)	(20.00%)	(62.30%)
Range (Weighted Average) of Liquidation expenses (in hundredths	(13.50%)	(15.40%)
Maximum [Member] | Other real estate owned [Member]
Additional quantitative information about assets measured at fair value on a nonrecurring basis [Abstract]
Range (Weighted Average) of Appraisal adjustments (in hundredths)	(59.50%)	(54.10%)
Range (Weighted Average) of Liquidation expenses (in hundredths	(5.60%)	(14.70%)
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)	(20.00%)	(13.70%)
Range (Weighted Average) of Liquidation expenses (in hundredths	(6.80%)	(6.50%)
Weighted Average [Member] | Other real estate owned [Member]
Additional quantitative information about assets measured at fair value on a nonrecurring basis [Abstract]
Range (Weighted Average) of Appraisal adjustments (in hundredths)	(17.40%)	(17.10%)
Range (Weighted Average) of Liquidation expenses (in hundredths	(5.60%)	(6.00%)