Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Narrative (Details)

v3.21.2
Stockholders' Equity - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended 10 Months Ended
Jul. 03, 2019
Sep. 30, 2021
Jun. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares authorized for issuance (in shares)   30,600,000     30,600,000    
Annual increase in shares authorized for issuance, percentage of outstanding shares   1.50%     1.50%    
Repurchase of stock options (in shares) 1,600,000            
Shares available for future grants (in shares)   1,000,000.0     1,000,000.0    
Stock options granted (in shares)         3,189,000    
Stock options outstanding (in shares)   24,118,000     24,118,000   21,119,000
Stock options exercisable (in shares)   0     0    
Unrecognized share-based compensation expense   $ 347,800     $ 347,800    
CEO, percentage of base salary forgone             100.00%
Accrued compensation liability   29,146     $ 29,146   $ 17,136
Period for recognition, post initial public offering         180 days    
Cancellation of stockholder note receivable   3,645     $ 3,645    
Cancellation of stockholder note receivable, income tax benefit         3,600    
Stockholder Note Receivable              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Cancellation of stockholder note receivable   15,000     $ 15,000    
Stock options              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Contractual term         10 years    
Share-based compensation expense   0   $ 0 $ 0 $ 0  
Restricted stock units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based compensation expense   1,800     $ 2,900    
Grant date fair value per share (in usd per share)         $ 19.32    
Unrecognized share-based compensation expense   6,600     $ 6,600    
Executives              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock options granted (in shares)         1,100,000    
Vesting period         4 years    
Executives | Time vesting options              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Award percentage         50.00%    
Executives | Performance vesting options              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Award percentage         50.00%    
Non-executive service providers              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock options granted (in shares)         2,100,000    
Vesting period         4 years    
CEO              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based compensation expense   2,300     $ 4,000    
Vesting percentage     50.00%        
Accrued compensation liability             $ 2,200
Unrecognized share-based compensation expense   $ 8,100     $ 8,100    
CEO | Restricted stock units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Awards granted (in shares)     500,000        
Vesting percentage     50.00%        
Vesting period after initial public offering         180 days    
Non-CEO executives and directors | Restricted stock units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Awards granted (in shares)     100,000        
Vesting percentage     50.00%        
Non-CEO executives | Restricted stock units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting percentage     100.00%        
Vesting period after initial public offering         180 days