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Equity and Equity Compensation Plans - Schedule of Restricted Stock Unit Activity (Details)
6 Months Ended
Jun. 30, 2021
$ / shares
shares
Restricted Stock Units  
Unvested outstanding at end of period (in shares) | shares 3,699,318
Restricted Stock Units (RSUs)  
Restricted Stock Units  
Unvested outstanding at beginning of period (in shares) | shares 4,459,743
Granted (in shares) | shares 407,853
Vested (in shares) | shares (737,403)
Forfeited or canceled (in shares) | shares (430,875)
Weighted-Average Grant-Date Fair Value  
Unvested outstanding at beginning of period (in dollars per share) | $ / shares $ 27.44
Granted (in dollars per share) | $ / shares 59.67
Vested (in dollars per share) | $ / shares 22.04
Forfeited or canceled (in dollars per share) | $ / shares 24.82
Unvested outstanding at end of period (in dollars per share) | $ / shares $ 32.38