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Stock Based Compensation (Details Textual) - 2012 Incentive Plan - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2012
Restricted Stock Awards        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Maximum shares available under equity incentive plan       500,000
Shares awarded under equity incentive plan 103,737      
Stock based compensation expense $ 892 $ 486 $ 116  
Unrecognized compensation expense $ 2,600      
Compensation cost not yet recognized, period for recognition 2 years      
Time Based Restricted Stock Awards        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Shares awarded under equity incentive plan 20,747 244,105    
Performance Based Restricted Stock Awards        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Shares awarded under equity incentive plan 82,990 132,620