Equity Incentive Plans and Stock-Based Compensation - Summary of the Activity Under the Stock Plan (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Share-based Payment Arrangement [Abstract]
Balance as of March 31, 2021		29,375,026
Recapitalization		38,002,437
Balance as of March 31, 2021	67,377,463
Granted	14,968,952
Exercised	(5,808,526)
Cancelled/Forfeited/Expired	(2,928,324)
Balance as of March 31, 2022	73,609,565	67,377,463
Vested and exercisable as of March 31, 2022	42,902,557
Weighted-Average Exercise Price, Beginning balance	$ 9.37
Weighted-Average Exercise Price, Recapitalization		$ (5.28)
Balance as of March 31, 2021		4.09
Weighted-Average Exercise Price,Granted	4.37
Weighted-Average Exercise Price,Exercised	2.90
Weighted-Average Exercise Price,Cancelled/Forfeited/Expired	4.80
Weighted-Average Exercise Price, Ending balance	4.21	$ 9.37
Vested and exercisable as of March 31, 2022	$ 3.84
Weighted-Average Remaining Contractual Term (Years)	6 years 10 months 24 days	7 years 1 month 6 days
Weighted-Average Remaining Contractual Term (Years), Vested and Exercisable	5 years 7 months 6 days
Aggregate Intrinsic Value of Options Outstanding	$ 35,979	$ 403,498
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	$ 27,504