Annual report pursuant to Section 13 and 15(d)

Share-Based Compensation - Narrative (Details)

v3.22.0.1
Share-Based Compensation - Narrative (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Aug. 06, 2021
$ / shares
shares
Mar. 18, 2021
$ / shares
Nov. 20, 2020
$ / shares
shares
Oct. 02, 2020
employee
$ / shares
shares
Sep. 04, 2020
employee
$ / shares
shares
Apr. 29, 2019
$ / shares
shares
May 02, 2016
$ / shares
shares
Jun. 30, 2021
shares
Dec. 31, 2021
USD ($)
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Dec. 31, 2019
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Common stock, issued (shares)                 141,600,000 126,725,000 111,800,000
Common stock, outstanding (shares)                 141,600,000 126,725,000 111,800,000
Intrinsic value of options exercised | $                 $ 50,300 $ 13,100 $ 63,300
Granted inducement (in shares)                   925,000 1,600,000
Granted inducements (in usd per share) | $ / shares                   $ 14.36 $ 6.28
Number of new employees | employee       9 105            
Granted (in shares)                 2,277,000 7,129,000 2,520,000
Weighted average price (in usd per share) | $ / shares                 $ 7.34 $ 5.58 $ 2.56
Fair value of options vested in period | $                 $ 24,900 $ 14,900 $ 8,500
Weighted average remaining amortization period (in years)                 1 year 1 month 6 days    
Volatility                 66.00% 52.00% 52.00%
Share-based compensation expense | $                 $ 31,243 $ 17,454 $ 7,414
Unrecognized share-based compensation expense | $                 $ 19,056    
Amended and Restated Equity Incentive Plan                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Number of additional shares authorized               23,800,000      
Executive Vice President, General Counsel, Corporate Secretary and Chief Compliance Officer                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Granted inducement (in shares)     298,924                
Granted inducements (in usd per share) | $ / shares     $ 13.40                
Executive Vice President, General Counsel, Corporate Secretary and Chief Compliance Officer | Tranche One                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Award vesting rights     33.00%                
Executive Vice President, General Counsel, Corporate Secretary and Chief Compliance Officer | Tranche Two                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Award vesting period     24 months                
New Employees                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Granted inducement (in shares)       96,000 530,000   200,000        
Granted inducements (in usd per share) | $ / shares       $ 14.73 $ 14.83   $ 2,920        
Award vesting period             36 months        
Exercise period             5 years        
Options exercised in period                   150,000  
Number of options outstanding                 0    
New Employees | Tranche One                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Award vesting rights       33.00% 33.00%            
New Employees | Tranche Two                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Award vesting period       24 months 24 months            
Chief Executive Officer                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Granted inducement (in shares)           1,600,000          
Granted inducements (in usd per share) | $ / shares           $ 6.28          
Exercise period           10 years          
Chief Executive Officer | Tranche One                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Award vesting period           1 year          
Award vesting rights           25.00%          
Chief Executive Officer | Tranche Two                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Award vesting period           36 months          
Award vesting rights           75.00%          
Stock Options                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Weighted average remaining amortization period (in years)                 1 year 2 months 12 days    
Unrecognized share-based compensation expense | $                 $ 13,563    
Inducement Stock Option                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Exercise period           10 years          
ESPP                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Number of shares authorized               2,500,000      
Weighted average remaining amortization period (in years)                 1 year 1 month 6 days    
Unrecognized share-based compensation expense | $                 $ 3,296    
Performance Share sand Restricted Stock Units (RSUs) | Officer                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Fair value on grant date (in usd per share) | $ / shares $ 14.42                    
Unvested performance awards | Officer                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Awards granted in period 418,000               439,000    
Fair value on grant date (in usd per share) | $ / shares   $ 13.56                  
Options exercised in period (in shares)                 88,000    
Options cancelled (in shares)                 351,000    
Share-based compensation expense | $                 $ 2,700    
Restricted Stock Units                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Weighted average remaining amortization period (in years)                 7 months 6 days    
Unrecognized share-based compensation expense | $                 $ 2,197    
Restricted Stock Units | Officer                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Awards granted in period 201,000