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	12 Months Ended
Apr. 30, 2022	Jan. 31, 2022
Outstanding Stock Options
Beginning balance (in shares)	6,195,205
Exercised (in shares)	(543,518)
Cancelled/forfeited/expired (in shares)	(57,576)
Ending balance (in shares)	5,594,111	6,195,205
Vested and expected to vest (in shares)	5,594,111
Exercisable (in shares)	4,823,299
Weighted- Average Exercise Price
Beginning balance (in dollars per share)	$ 8.08
Exercised (in dollars per share)	5.99
Cancelled/forfeited/expired (in dollars per share)	22.75
Ending balance (in dollars per share)	8.13	$ 8.08
Weighted average exercise price, vested and expected to vest (in dollars per share)	8.13
Weighted average exercise price, exercisable (in dollars per share)	$ 6.25
Weighted- Average Remaining Contractual Life (Years)
Outstanding	5 years 9 months 18 days	6 years
Vested and expected to vest	5 years 9 months 18 days
Weighted-average remaining contractual life (years), exercisable	5 years 7 months 6 days
Aggregate Intrinsic Value
Outstanding	$ 511,520	$ 905,744
Exercised	60,844
Vested and expected to vest	511,520
Options outstanding, aggregate intrinsic value, exercisable	$ 450,113

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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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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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Number of options outstanding, including both vested and non-vested options.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of share options (or share units) exercised during the current period.

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