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Stock Based Compensation, Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Period options granted to date vest ratably     5 years  
Period options granted expires after date of grant     10 years  
Employee Stock Option [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Aggregate intrinsic value for option outstanding $ 349 $ 429 $ 349 $ 429
Aggregate intrinsic value of options exercisable 314 343 314 343
Total expense related to options included in salaries and wages $ 3 $ 6 $ 10 $ 13
Ownership Incentive Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares authorized for issuance (in shares) 200,000   200,000  
2015 Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares authorized for issuance (in shares) 450,000   450,000