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Stock Based Compensation (Additional Information) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
May. 05, 2015
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share Based Compensation   $ 246 $ 237 $ 463 $ 450
Stock Issued During Period, Shares, Restricted Stock Award, Gross 11,000        
Non Employee Director [Member] | Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted stock units awards, share 38,290        
Restricted stock units awarded, grant date value $ 50