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Stock-Based Compensation - Additional Information (Details) - USD ($)
1 Months Ended 12 Months Ended
Feb. 28, 2017
Dec. 31, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock options vesting periods   3 years  
Cash dividend on common shares   $ 0  
Restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock options vesting periods   3 years  
Share based compensation expense   $ 2,600,000 $ 1,600,000
Vested   $ 2,054,622 1,300,000
Period for recognition   1 year 10 months 25 days  
Stock-based compensation liability   $ 1,800,000 1,300,000
Unrecognized compensation expense   $ 3,000,000  
Restricted stock units | Vesting on Third Anniversary      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation award vesting rights, percentage   30.00%  
Stock appreciation rights      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share based compensation expense   $ (100,000) 300,000
Period for recognition   8 months 15 days  
Share-based compensation expiration period 5 years    
Number of RSUs or SARs granted   0  
Stock-based compensation liability   $ 600,000 $ 600,000
Unrecognized compensation expense   $ 100,000  
Stock appreciation rights | Vesting on Third Anniversary      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation award vesting rights, percentage 30.00%