Fair Value Measurements (Quantitative Information, Level 3) (Details) (Nonrecurring, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Noncovered Impaired Loans
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Impaired loans		$ 8,403
Covered Impaired Loans
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Impaired loans		3,541
Level 3 | Noncovered Impaired Loans
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Impaired loans	1,908	8,403
Valuation Technique(s)	Market approach	Market approach
Unobservable Input(s)	Adjustment for differences between the comparable sales	Adjustment for differences between the comparable sales
Level 3 | Noncovered Impaired Loans | Minimum
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Range of Inputs; Weighted Average	(47.50%)	(27.80%)
Level 3 | Noncovered Impaired Loans | Maximum
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Range of Inputs; Weighted Average	96.20%	19.10%
Level 3 | Noncovered Impaired Loans | Weighted Average
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Range of Inputs; Weighted Average	7.00%	(6.60%)
Level 3 | Covered Impaired Loans
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Impaired loans		3,541
Valuation Technique(s)		Market approach
Unobservable Input(s)		Adjustment for differences between the comparable sales
Level 3 | Covered Impaired Loans | Minimum
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Range of Inputs; Weighted Average		(50.00%)
Level 3 | Covered Impaired Loans | Maximum
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Range of Inputs; Weighted Average		(25.00%)
Level 3 | Covered Impaired Loans | Weighted Average
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Range of Inputs; Weighted Average		(35.00%)
Level 3 | Other Real Estate Owned
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Other real estate owned		$ 1,222
Valuation Technique(s)		Market approach
Unobservable Input(s)		Adjustment for differences between the comparable sales
Level 3 | Other Real Estate Owned | Minimum
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Range of Inputs; Weighted Average		(60.10%)
Level 3 | Other Real Estate Owned | Maximum
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Range of Inputs; Weighted Average		13.60%
Level 3 | Other Real Estate Owned | Weighted Average
Fair value measurements for financial instruments measured at fair value on a non-recurring basis
Range of Inputs; Weighted Average		(35.20%)