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, 2023 USD ($) $ / shares shares	Jan. 31, 2023 USD ($) $ / shares shares
Stock Options
Outstanding, beginning balance (in shares) | shares	13,898
Granted (in shares) | shares	2,763
Exercised (in shares) | shares	(3,559)
Forfeited (in shares) | shares	(361)
Outstanding, ending balance (in shares) | shares	12,741	13,898
Vested and exercisable, Number of Stock Options (in shares) | shares	6,252
Weighted-Average Exercise Price
Outstanding, beginning balance (in dollars per share) | $ / shares	$ 3.32
Granted (in dollars per share) | $ / shares	0.10
Exercised (in dollars per share) | $ / shares	1.52
Forfeited (in dollars per share) | $ / shares	0.51
Outstanding, ending balance (in dollars per share) | $ / shares	3.20	$ 3.32
Vested and exercisable, Weighted-Average Exercise Price (in dollars per share) | $ / shares	$ 3.68
Outstanding, Weighted-Average Remaining Contractual Life (years)	7 years 7 months 6 days	7 years 8 months 12 days
Vested and exercisable, Weighted-Average Remaining Contractual Life (years)	6 years 4 months 24 days
Outstanding, Aggregate Intrinsic Value | $	$ 158,811	$ 169,324
Vested and exercisable, Aggregate Intrinsic Value | $	$ 74,680