Quarterly report pursuant to Section 13 or 15(d)

Equity Incentive Plans - Stock Option Activity (Details)

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Equity Incentive Plans - Stock Option Activity (Details)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2022
USD ($)
$ / shares
shares
Number of shares  
Beginning balance (in shares) 81,405,867
Ending balance (in shares) 75,948,673
2017 Equity Incentive Plan  
Number of shares  
Beginning balance (in shares) 79,644,550
Granted (in shares) 0
Exercised (in shares) (4,276,993)
Forfeited (in shares) (1,118,640)
Ending balance (in shares) 74,248,917
Weighted average exercise  price  
Beginning balance (in usd per share) | $ / shares $ 1,440
Granted (in usd per share) | $ / shares 0
Exercised (in usd per share) | $ / shares 470
Forfeited (in usd per share) | $ / shares 1,380
Ending balance (in usd per share) | $ / shares $ 1,500
Weighted average remaining contractual term, outstanding (in years) 6 years 10 months 24 days
Options, outstanding, aggregate intrinsic value | $ $ 304,001
Exercisable, March 31, 2022  
Number of shares (in shares) 51,375,499
Weighted average exercise price (in usd per share) | $ / shares $ 1.09
Weighted average remaining contractual term (in years) 6 years 4 months 24 days
Exercisable, aggregate intrinsic value | $ $ 231,322