Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation - Stock Options (Details)

v3.21.2
Stock-based Compensation - Stock Options (Details) - shares
9 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Dec. 21, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Exchange ratio     1.239434862
Common stock, shares issued 237,603,000 235,753,000  
Options to purchase common shares      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expiration period 10 years    
Options to purchase common shares | Share-based Payment Arrangement, Tranche One      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting percentage 25.00%    
Vesting period 1 year    
Options to purchase common shares | Share-based Payment Arrangement, Tranche Two      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 3 years