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Stock-Based Compensation - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award        
Stock-based compensation expense $ 0.5 $ 0.5 $ 2.3 $ 2.0
Restricted Stock        
Share-based Compensation Arrangement by Share-based Payment Award        
Restricted stock granted (in shares)     175,268  
Restricted stock granted, grant date fair value (in dollars per share)     $ 15.80  
Restricted stock surrendered, forfeited in period (in dollars per share)     27,060  
Employee restricted stock award, vesting period     2 years  
Non-employee restricted stock award vest grant over period     1 year  
Nonvested restricted shares outstanding (in shares) 167,602   167,602  
Unrecognized compensation cost $ 1.3   $ 1.3  
Unrecognized compensation cost, recognition period     18 months  
Restricted Stock | Grant Date        
Share-based Compensation Arrangement by Share-based Payment Award        
Restricted stock award, vesting percentage     33.33%  
Restricted Stock | First Anniversary        
Share-based Compensation Arrangement by Share-based Payment Award        
Restricted stock award, vesting percentage     33.33%  
Restricted Stock | Second Anniversary        
Share-based Compensation Arrangement by Share-based Payment Award        
Restricted stock award, vesting percentage     33.33%  
Restricted Stock Units (RSUs)        
Share-based Compensation Arrangement by Share-based Payment Award        
Restricted stock granted (in shares)     10,600  
Restricted stock granted, grant date fair value (in dollars per share)     $ 18.08  
Restricted stock surrendered, forfeited in period (in dollars per share)     3,677  
Amended and Restated 2013 Equity Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award        
Number of shares reserved for issuance (in shares) 1,700,000   1,700,000  
Shares available for issuance (in shares) 737,550   737,550  
Long Term Incentive Plan | Restricted Stock Units (RSUs)        
Share-based Compensation Arrangement by Share-based Payment Award        
Performance period     3 years  
Service period     2 years