Equity Incentive Plans and Stock-Based Compensation - Summary of Stock Option Activity (Details) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended	12 Months Ended
	Oct. 31, 2022 USD ($) $ / shares shares	Jan. 31, 2022 USD ($) $ / shares shares
Stock Options
Outstanding, beginning balance (in shares) | shares	14,544
Granted (in shares) | shares	4,727
Exercised (in shares) | shares	(3,788)
Forfeited (in shares) | shares	(818)
Outstanding, ending balance (in shares) | shares	14,665	14,544
Weighted- Average Exercise Price
Outstanding, beginning balance (in dollars per share) | $ / shares	$ 1.64
Granted (in dollars per share) | $ / shares	7.02
Exercised (in dollars per share) | $ / shares	1.97
Forfeited (in dollars per share) | $ / shares	3.17
Outstanding, ending balance (in dollars per share) | $ / shares	$ 3.21	$ 1.64
Vested and exercisable, Number of Stock Options (in shares) | shares	6,854
Vested and exercisable, Weighted-Average Exercise Price (in dollars per share) | $ / shares	$ 1.56
Outstanding, Weighted-Average Remaining Contractual Life (years)	7 years 9 months 18 days	7 years 7 months 6 days
Vested and exercisable, Weighted-Average Remaining Contractual Life (years)	6 years 2 months 12 days
Outstanding, Aggregate Intrinsic Value | $	$ 144,761	$ 507,419
Vested and exercisable, Aggregate Intrinsic Value | $	$ 75,985