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Stock-Based Compensation - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Jan. 01, 2016
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award          
Stock-based compensation expense   $ 0.3 $ 0.3 $ 0.9 $ 0.8
Restricted Stock          
Share-based Compensation Arrangement by Share-based Payment Award          
Restricted stock granted (in shares)       118,631  
Restricted stock granted, grant date fair value (in dollars per share)       $ 11.16  
Employee restricted stock award, vesting period (in years)       2 years  
Non-employee restricted stock award vest grant over period (in years)       1 year  
Nonvested restricted shares outstanding (in shares)   105,191   105,191  
Unrecognized compensation cost   $ 0.8   $ 0.8  
Unrecognized compensation cost, recognition period (in months)       21 months  
Restricted Stock | Share-based Compensation Award, Tranche One          
Share-based Compensation Arrangement by Share-based Payment Award          
Restricted stock award, percentage vested on grant date       33.33%  
Restricted Stock | Share-based Compensation Award, Tranche Two          
Share-based Compensation Arrangement by Share-based Payment Award          
Restricted stock award, percentage vested on grant date       33.33%  
Restricted Stock | Share-based Compensation Award, Tranche Three          
Share-based Compensation Arrangement by Share-based Payment Award          
Restricted stock award, percentage vested on grant date       33.33%  
Restricted Stock Units (RSUs) | Long Term Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award          
Service period (in years) 3 years        
Performance period (in years) 2 years