Stock-based Compensation - Schedule of the Company's Stock Option Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Beginning balance (in shares)	98,502	99,682	83,395
Granted (in shares)	0	23,269	31,381
Cancelled (in shares)	(1,862)	(3,859)	(6,199)
Exercised (in shares)	(33,373)	(20,590)	(8,895)
Ending balance (in shares)	63,267	98,502	99,682
Exercisable (in shares)	35,431
Vested and expected to vest (in shares)	63,267
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Beginning balance, weighted average exercise price (in dollars per share)	$ 2.55	$ 1.66	$ 0.90
Granted, weighted average exercise price (in dollars per share)	0	4.73	3.38
Cancelled, weighted average exercise price (in dollars per share)	3.95	2.39	2.10
Exercised, weighted average exercise price (in dollars per share)	1.95	0.74	0.36
Ending balance, weighted average exercise price (in dollars per share)	2.82	$ 2.55	$ 1.66
Exercisable, weighted average exercise price (in dollars per share)	1.86
Vested and expected to vest, weighted average exercise price (in dollars per share)	$ 2.82
Remaining contractual term	6 years 11 months 19 days	7 years 9 months 3 days	7 years 10 months 2 days
Exercisable, remaining contractual term	6 years 2 months 8 days
Vested and expected to vest, remaining contractual term	6 years 11 months 19 days
Aggregate intrinsic value	$ 6,348,395	$ 3,838,994	$ 174,497
Exercisable, aggregate intrinsic value	3,589,069
Vested and expected to vest, aggregate intrinsic value	$ 6,348,395