Annual report pursuant to Section 13 and 15(d)

Restricted Stock Units - Additional Information (Details)

v3.20.1
Restricted Stock Units - Additional Information (Details) - USD ($)
1 Months Ended 12 Months Ended
Feb. 01, 2021
Feb. 01, 2020
Dec. 31, 2019
Dec. 31, 2019
Subsequent Event        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Shares granted   135,000    
Award vesting period   9 months    
Within February 1, 2021 | Subsequent Event        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Award vesting rights, percentage   40.00%    
Restricted Stock Units (RSUs)        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Shares granted     3,336,095 3,336,095
Aggregate grant date fair value of shares granted     $ 27,500,000  
Grant date fair value per share     $ 8.25 $ 8.25
Compensation expense       $ 996,000
Unrecognized compensation cost     $ 26,500,000 $ 26,500,000
Unrecognized compensation cost weighted-average remaining period       1 year 9 months
Restricted Stock Units (RSUs) | Scenario Forecast        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Shares granted 2,020,411      
Award vesting period 3 years      
Restricted Stock Units (RSUs) | Vest in One Year        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Shares granted       931,243
Restricted Stock Units (RSUs) | 2019 Targeted Adjusted EBITDA is Achieved        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Shares granted       124,723
Restricted Stock Units (RSUs) | 2020 Targeted Adjusted EBITDA is Achieved        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Shares granted       124,718
Restricted Stock Units (RSUs) | Within February 1, 2021 | Scenario Forecast        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Award vesting rights, percentage 25.00%      
Restricted Stock Units (RSUs) | Three-year Period Starting from February 1, 2021 | Scenario Forecast        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Award vesting rights, percentage 75.00%