Stock-Based Compensation - Schedule of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands			1 Months Ended	9 Months Ended
	Sep. 30, 2021	Dec. 31, 2020	Aug. 31, 2021	Sep. 30, 2021
Number of Stock Options
Beginning balance (in shares)				7,795,040
Options granted (in shares)			387,277	1,226,277
Options exercised (in shares)				(3,302,973)
Options forfeited (in shares)				(5,214)
Ending balance (in shares)	5,713,130	7,795,040		5,713,130
Exercisable at end of period (in shares)	5,713,130			5,713,130
Vested at end of period (in shares)	4,292,086
Exercisable at end of period (in shares)	1,421,044			1,421,044
Weighted Average Exercise Price
Beginning balance (in dollars per share)				$ 4.88
Options granted (in dollars per share)			$ 24.53	20.20
Options exercised (in dollars per share)				7.47
Options forfeited (in dollars per share)				5.08
Ending balance (in dollars per share)	$ 6.67	$ 4.88		6.67
Exercisable at end of period (in dollars per share)	6.67			6.67
Vested at end of period (in dollars per share)	3.68			3.68
Unvested at end of period (in dollars per share)	$ 15.70			$ 15.70
Weighted average contractual term
Weighted average contractual term	4 years 8 months 12 days	4 years 10 months 24 days
Exercisable at end of period	4 years 8 months 12 days
Vested at end of period	3 years 4 months 24 days
Aggregate intrinsic value
Beginning balance				$ 103,821
Options exercised				101,332
Ending balance	$ 254,712	$ 103,821		254,712
Exercisable at end of period	$ 254,712			$ 254,712