Equity Incentive Plans and Employee Stock Purchase Plan - Schedule of Stock Option Activity (Details) $ / shares in Units, $ in Thousands	6 Months Ended	12 Months Ended
	Jul. 31, 2022 USD ($) $ / shares shares	Jan. 31, 2022 USD ($) $ / shares shares
Shares
Balance - beginning of period (in shares) | shares	2,591,894
Stock options exercised (in shares) | shares	(399,503)
Stock options forfeited and expired (in shares) | shares	(809)
Balance - end of period (in shares) | shares	2,191,582	2,591,894
Vested and exercisable (in shares) | shares	2,191,582	2,591,894
Weighted-Average Exercise Price Per Share
Balance - beginning of period (in dollars per share) | $ / shares	$ 7.46
Stock options exercised (in dollars per share) | $ / shares	7.48
Stock options forfeited and expired (in dollars per share) | $ / shares	5.72
Balance - end of period (in dollars per share) | $ / shares	7.45	$ 7.46
Vested and exercisable (in dollars per share) | $ / shares	$ 7.45	$ 7.46
Weighted- Average Remaining Contractual Term (In Years)
Balance	3 years 7 months 6 days	3 years 10 months 24 days
Vested and exercisable	3 years 7 months 6 days	3 years 10 months 24 days
Aggregate Intrinsic Value
Balance | $	$ 668,474	$ 1,030,680
Vested and exercisable | $	$ 668,474	$ 1,030,680