Stock-based Compensation - Schedule of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Beginning balance	9,333,218
Granted	3,005,910
Exercised	(832,791)
Forfeited	(1,684,158)
Ending balance	9,822,179	9,333,218
Options exercisable	4,405,641
Weighted average exercise price, Beginning balance	$ 2.72
Weighted average exercise price, granted	8.58
Weighted average exercise price, exercised	1.90
Weighted average exercise price, forfieted	3.86
Weighted average exercise price, Ending balance	4.39	$ 2.72
Weighted average exercise price, options exercisable	$ 2.66
Weighted average remaining contractual term (years)	7 years 5 months 8 days	8 years 4 months 28 days
Weighted average remaining contractual term (years), options exercisable	5 years 10 months 28 days
Aggregate intrinsic value	$ 193,789	$ 16,882
Aggregate intrinsic value, options exercisable	$ 94,555