Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Summary of Stock Option Activity (Details)

v3.21.2
Stock-Based Compensation - Summary of Stock Option Activity (Details)
$ / shares in Units, shares in Thousands, $ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2021
USD ($)
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Number of Options    
Outstanding, beginning balance (in shares) | shares 8,019  
Granted (in shares) | shares 388  
Exercised (in shares) | shares (1,832)  
Cancelled (in shares) | shares (274)  
Outstanding, ending balance (in shares) | shares 6,301 8,019
Options vested and exercisable (in shares) | shares 4,146  
Weighted Average Exercise Price    
Outstanding, beginning balance (in dollars per share) | $ / shares $ 10.35  
Granted (in dollars per share) | $ / shares 50.88  
Exercised (in dollars per share) | $ / shares 8.67  
Cancelled (in dollars per share) | $ / shares 23.67  
Outstanding, ending balance (in dollars per share) | $ / shares 12.84 $ 10.35
Options vested and exercisable (in dollars per share) | $ / shares $ 7.68  
Weighted-average remaining contractual life, options outstanding 6 years 4 months 9 days 6 years 10 months 13 days
Aggregate intrinsic value, options outstanding | $ $ 201,167 $ 473,371
Weighted-average remaining contractual life, options vested and exercisable 5 years 3 months 7 days  
Aggregate intrinsic value, options vested and exercisable | $ $ 150,834