Fair Value Accounting and Measurement Fair Value, quantitative inputs to Level 3 measurements (Details) (Fair Value, Measurements, Nonrecurring [Member], USD $) In Thousands, unless otherwise specified									12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2012 Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2013 Noncovered Loans [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2012 Noncovered Loans [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2013 Covered Loans [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2012 Covered Loans [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2013 Minimum [Member] Impaired Loans [Member] Market Approach Valuation Technique [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2013 Minimum [Member] Other Real Estate Owned [Member] Market Approach Valuation Technique [Member] Covered Loans [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2013 Maximum [Member] Impaired Loans [Member] Market Approach Valuation Technique [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2013 Maximum [Member] Other Real Estate Owned [Member] Market Approach Valuation Technique [Member] Covered Loans [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2013 Weighted Average [Member] Impaired Loans [Member] Market Approach Valuation Technique [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2013 Weighted Average [Member] Other Real Estate Owned [Member] Market Approach Valuation Technique [Member] Covered Loans [Member] Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Fair Value Inputs, Comparability Adjustments
Impaired loans	$ 8,973	$ 10,599	$ 8,973	$ 10,599
Other Real Estate Owned, Fair Value Disclosure	613	2,663	613	2,663	5,080	10,970	613	2,663
Other Personal Property Owned, Fair Value Disclosure		$ 210		$ 210		$ 210