Fair Value (Details 3) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Fair value measurements for financial instruments      
Recorded Investment $ 10,082 $ 12,597 $ 11,970
Fair Value, Measurements, Nonrecurring | Commercial      
Fair value measurements for financial instruments      
Recorded Investment 1,514 807  
Fair Value, Measurements, Nonrecurring | Residential Real Estate      
Fair value measurements for financial instruments      
Recorded Investment 42 63  
Fair Value, Measurements, Nonrecurring | Consumer      
Fair value measurements for financial instruments      
Recorded Investment 13    
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%)    
Fair Value, Measurements, Nonrecurring | Income Approach Valuation | Commercial real estate      
Fair value measurements for financial instruments      
Recorded Investment $ 701 $ 116  
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   (13.64%)  
Fair Value, Measurements, Nonrecurring | Income Approach Valuation | Commercial real estate | Minimum | Commercial real estate loan      
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   12.93%  
Fair Value, Measurements, Nonrecurring | Income Approach Valuation | Commercial real estate | Maximum | Commercial real estate loan      
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   (5.96%)  
Fair Value, Measurements, Nonrecurring | Income Approach 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 35.33%    
Fair Value, Measurements, Nonrecurring | Quoted price for loan relationship | Commercial      
Fair value measurements for financial instruments      
Recorded Investment $ 252    
Fair Value Measurements Valuation Technique(s) Description 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%)    
Fair Value, Measurements, Nonrecurring | Quoted price for loan relationship | Commercial real estate      
Fair value measurements for financial instruments      
Recorded Investment $ 747    
Fair Value Measurements Valuation Technique(s) Description Quoted price for loan relationship    
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 1.01%    
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Other real estate owned      
Fair value measurements for financial instruments      
Recorded Investment   $ 45  
Fair Value Measurements Valuation Technique(s) Description Sales comparison    
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Minimum | Other real estate owned      
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 | Maximum | Other real estate owned      
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 | Weighted Average | Other real estate owned      
Fair value measurements for financial instruments      
Adjustment for differences between earning multiplier and comparable sales, Percent   (5.79%)  
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Commercial      
Fair value measurements for financial instruments      
Recorded Investment   $ 807  
Fair Value Measurements Valuation Technique(s) Description Sales comparison    
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Commercial | Minimum      
Fair value measurements for financial instruments      
Adjustment for differences between earning multiplier and comparable sales, Percent   (27.43%)  
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Commercial | Maximum      
Fair value measurements for financial instruments      
Adjustment for differences between earning multiplier and comparable sales, Percent   32.86%  
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Commercial | Weighted Average      
Fair value measurements for financial instruments      
Adjustment for differences between earning multiplier and comparable sales, Percent   (9.96%)  
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Residential Real Estate      
Fair value measurements for financial instruments      
Recorded Investment $ 42 $ 63  
Fair Value Measurements Valuation Technique(s) Description 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 (18.32%) (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 24.16% 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 (14.02%) (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 | Sales Comparison Valuation | Commercial real estate      
Fair value measurements for financial instruments      
Recorded Investment   $ 1,237  
Fair Value Measurements Valuation Technique(s) Description Sales comparison    
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Commercial real estate | Minimum | Commercial real estate loan      
Fair value measurements for financial instruments      
Adjustment for differences between earning multiplier and comparable sales, Percent   (41.59%)  
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Commercial real estate | Maximum | Commercial real estate loan      
Fair value measurements for financial instruments      
Adjustment for differences between earning multiplier and comparable sales, Percent   77.25%  
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   (7.82%)