Stock-Based Compensation - Stock Options (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended	12 Months Ended
Jul. 31, 2022	Jul. 31, 2021	Jan. 31, 2022
Outstanding Stock Options
Balance, beginning of period (in shares)	6,620,701
Granted (in shares)	0
Exercised (in shares)	(197,241)
Forfeited or canceled (in shares)	(1,676,615)
Balance, end of period (in shares)	4,746,845		6,620,701
Vested and expected to vest (in shares)	4,746,845
Exercisable at end of period (in shares)	4,746,845
Weighted-Average Exercise Price
Balance, beginning of period (in dollars per share)	$ 7.28
Granted (in dollars per share)	0
Exercised (in dollars per share)	2.54
Forfeited or canceled (in dollars per share)	10.25
Balance, end of period (in dollars per share)	6.43		$ 7.28
Vested and expected to vest (in dollars per share)	6.43
Exercisable at end of period (in dollars per share)	$ 6.43
Balance, weighted-average remaining contractual life (in years)	3 years 7 months 6 days		4 years 3 months 25 days
Vested and expected to vest, weighted-average remaining contractual life (in years)	3 years 7 months 6 days
Exercisable at end of period, weighted-average remaining contractual life (in years)	3 years 7 months 6 days
Balance, aggregate intrinsic value	$ 1,059		$ 11,723
Vested and expected to vest, aggregate intrinsic value	1,059
Exercisable at end of period, aggregate intrinsic value	1,059
Options exercised, intrinsic value	$ 700	$ 9,700

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.