Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Restricted Stock Activity (Details)

v3.7.0.1
Stock-Based Compensation - Restricted Stock Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options $ 500  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]    
Granted, Number of shares 0  
Vested, Number of shares (850)  
Forfeited, Number of shares 0  
Unvested, Ending Balance, Number of shares 750  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]    
Granted, Weighted average grant date fair value $ 0  
Vested, Weighted average grant date fair value 1,000  
Forfeited, Weighted average grant date fair value 0  
Unvested, Ending Balance, Weighted average grant date fair value $ 1,000  
Restricted Stock    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Allocated Share-based Compensation Expense $ 767 $ 333
2014 Equity Incentive Plan | Restricted Stock    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]    
Granted, Number of shares 1,600  
Unvested, Ending Balance, Number of shares 1,600  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]    
Unvested, Ending Balance, Weighted average grant date fair value $ 1,000