Stockholders’ Equity and Equity Incentive Plans - Summary of Stock Option Activity Under Equity Incentive Plan (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
	Apr. 30, 2023	Jul. 31, 2022	Jan. 31, 2023
Outstanding Stock Options
Beginning balance (in shares)	4,800,616
Exercised (in shares)	(501,968)
Cancelled/forfeited/expired (in shares)	(250)
Ending balance (in shares)	4,298,398
Vested and expected to vest (in shares)	4,298,398
Exercisable (in shares)	4,294,422
Weighted- Average Exercise Price
Beginning balance (in dollars per share)	$ 8.22
Exercised (in dollars per share)	8.50
Cancelled/forfeited/expired (in dollars per share)	58.18
Ending balance (in dollars per share)	8.19
Weighted average exercise price, vested and expected to vest (in dollars per share)	8.19
Weighted average exercise price, exercisable (in dollars per share)	$ 8.12
Weighted- Average Remaining Contractual Life (Years)
Outstanding (in years)	4 years 6 months	4 years 10 months 24 days
Vested and expected to vest (in years)	4 years 6 months
Weighted-average remaining contractual life, exercisable (in years)	4 years 6 months
Aggregate Intrinsic Value
Outstanding	$ 232,898		$ 322,929
Exercised	30,864
Vested and expected to vest	232,898
Aggregate intrinsic value, Exercisable	$ 232,887