Fair Value (Details 3) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Fair value measurements for financial instruments
Recorded Investment	$ 9,556	$ 10,082
Fair Value, Measurements, Nonrecurring | Commercial
Fair value measurements for financial instruments
Recorded Investment	252	1,514
Fair Value, Measurements, Nonrecurring | Residential Real Estate
Fair value measurements for financial instruments
Recorded Investment	42	42
Fair Value, Measurements, Nonrecurring | Consumer
Fair value measurements for financial instruments
Recorded Investment		13
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Commercial real estate
Fair value measurements for financial instruments
Recorded Investment	$ 31
Fair Value Measurements Valuation Technique(s) Description	Sales Comparison
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Commercial real estate | Weighted Average | Commercial real estate loan
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent	(24.02%)
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Residential Real Estate
Fair value measurements for financial instruments
Recorded Investment	$ 42	$ 42
Fair Value Measurements Valuation Technique(s) Description	Sales comparison	Sales comparison
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Residential Real Estate | Minimum
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent	(13.49%)	(18.32%)
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Residential Real Estate | Maximum
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent	15.90%	24.16%
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Residential Real Estate | Weighted Average
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent	(10.65%)	(14.02%)
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Consumer
Fair value measurements for financial instruments
Recorded Investment		$ 13
Fair Value Measurements Valuation Technique(s) Description		Sales comparison
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Consumer | Minimum
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent		(12.86%)
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Consumer | Maximum
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent		11.97%
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Consumer | Weighted Average
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent		(5.79%)
Fair Value, Measurements, Nonrecurring | Quoted price for loan relationship | Commercial real estate
Fair value measurements for financial instruments
Recorded Investment	$ 1,417	$ 747
Fair Value Measurements Valuation Technique(s) Description	Quoted price for loan relationship	Quoted price for loan relationship
Fair Value, Measurements, Nonrecurring | Quoted price for loan relationship | Commercial real estate | Minimum
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent	1.00%
Fair Value, Measurements, Nonrecurring | Quoted price for loan relationship | Commercial real estate | Maximum
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent	15.00%
Fair Value, Measurements, Nonrecurring | Quoted price for loan relationship | Commercial real estate | Weighted Average
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent	8.40%	1.01%
Fair Value, Measurements, Nonrecurring | Quoted price for loan relationship | Commercial
Fair value measurements for financial instruments
Recorded Investment	$ 252	$ 252
Fair Value Measurements Valuation Technique(s) Description	Quoted price for loan relationship	Quoted price for loan relationship
Fair Value, Measurements, Nonrecurring | Quoted price for loan relationship | Commercial | Weighted Average
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent	(3.01%)	(3.01%)
Fair Value, Measurements, Nonrecurring | Income Approach Valuation | Commercial real estate
Fair value measurements for financial instruments
Recorded Investment		$ 701
Fair Value Measurements Valuation Technique(s) Description		Income approach
Fair Value, Measurements, Nonrecurring | Income Approach Valuation | Commercial real estate | Minimum
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent		(49.42%)
Fair Value, Measurements, Nonrecurring | Income Approach Valuation | Commercial real estate | Maximum
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent		40.89%
Fair Value, Measurements, Nonrecurring | Income Approach Valuation | Commercial real estate | Weighted Average
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent		35.33%
Fair Value, Measurements, Nonrecurring | Income Approach Valuation | Commercial
Fair value measurements for financial instruments
Recorded Investment		$ 1,262
Fair Value Measurements Valuation Technique(s) Description		Income approach
Fair Value, Measurements, Nonrecurring | Income Approach Valuation | Commercial | Weighted Average
Fair value measurements for financial instruments
Adjustment for differences between earning multiplier and comparable sales, Percent		(29.77%)