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Stock Compensation Plan - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated share-based compensation expense $ 55 $ 64 $ 110 $ 111
Unrecognized compensation expense related to nonvested share-based plans $ 370   $ 370  
Period of recognition for unrecognized compensation expense     1 year 7 months 6 days  
2014 Stock Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares authorized (in shares) 176,866   176,866  
2014 Stock Incentive Plan | Restricted Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares available for grants (in shares) 65,783   65,783  
2014 Stock Incentive Plan | Employee Stock Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares available for grants (in shares) 88,433   88,433  
2007 Stock Incentive Plan and Trust        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares authorized (in shares) 177,496   177,496  
Shares available for grants (in shares) 0   0  
2007 Stock Incentive Plan and Trust | Employee Stock Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expected term     10 years