Stock-based Compensation - Summary of Stock Options Activity Under the Plan (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Number of Options
Balance at beginning of period (in shares)	28,889,524
Granted (in shares)	263,200
Exercised (in shares)	(8,947,563)
Forfeited (in shares)	(1,411,457)
Expired (in shares)	(390,000)
Balance at end of period (in shares)	18,403,704	28,889,524
Vested and exercisable (in shares)	12,030,363
Vested and expected to vest (in shares)	16,696,145
Weighted Average Exercise Price Per Share
Balance at beginning of period (in dollars per share)	$ 5.92
Granted (in dollars per share)	27.03
Exercised (in dollars per share)	5.40
Forfeited (in dollars per share)	6.42
Expired (in dollars per share)	7.45
Balance at end of period (in dollars per share)	6.39	$ 5.92
Vested and exercisable (in dollars per share)	5.87
Vested and expected to vest (in dollars per share)	$ 6.63
Additional Disclosures
Weighted Average Remaining Contractual Term	7 years 10 months 24 days	8 years 9 months 18 days
Weighted Average Remaining Contractual Term , Vested and exercisable	7 years 9 months 18 days
Weighted Average Remaining Contractual Term, Vested and expected to vest	8 years