Fair Value Measurements Fair Value Measurement, Measured On Non-Recurring Basis, Signfiicant Unobservable Inputs, Quantitative Information (Details) (Fair Value, Measurements, Nonrecurring [Member], Fair Value, Inputs, Level 3 [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Impaired Loans [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	$ 635	$ 4,622
Fair Value Measurements, Valuation Techniques	Appraised value, as adjusted	Appraised value, as adjusted
Fair Value Measurements, Significant Unobservable Input	Broker quotes and management's knowledge of industry and collateral.	Broker quotes and management's knowledge of industry and collateral.
Real estate and other repossessed assets [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	$ 3,691	$ 191
Fair Value Measurements, Valuation Techniques	Appraised value, as adjusted	Listing value, less cost to sell
Fair Value Measurements, Significant Unobservable Input	Marketability adjustments off appraised value	Marketability adjustments off appraised value
Fair Value Measurement, Percentage of Appraised Value, Minimum	65.00%	80.00%	[1]
Fair Value Measurement, Percentage of Appraised Value, Maximum	65.00%	85.00%	[1]
Fair Value Measurement, Percentage of Appraised Value, Weighted Average	65.00%	82.00%	[1]
Fair Value Measurement, Marketability adjustment as perecentage of appraised value		15.00%

[1] Marketability adjustments includes consideration of estimated costs to sell which is approximately 15% of the fair value.