Stock-Based Compensation - Stock Option Information (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Jan. 31, 2025	Jan. 31, 2024
Number of Options
Outstanding, beginning of period (in shares)	21,159,850
Outstanding, end of period (in shares)	13,164,743	21,159,850
Stock options
Number of Options
Outstanding, beginning of period (in shares)	21,159,850
Granted (in shares)	214,976
Exercised (in shares)	(7,881,544)
Forfeited (in shares)	(328,539)
Outstanding, end of period (in shares)	13,164,743	21,159,850
Expected to vest (in shares)	13,164,743
Options, vested and exercisable, number (in shares)	10,352,575
Weighted-Average Exercise Price
Outstanding, beginning of period (in USD per share)	$ 5.63
Granted (in USD per share)	0.25
Exercised (in USD per share)	4.24
Forfeited (in USD per share)	8.18
Outstanding, end of period (in USD per share)	6.31	$ 5.63
Expected to vest (in USD per shares)	6.31
Options, vested and exercisable, weighted average exercise price (in USD per share)	$ 5.50
Weighted-Average Remaining Contractual Term (in years)
Weighted-Average Remaining Contractual Term (in years), Outstanding	5 years 7 days	6 years 3 months
Expected to vest (in years)	5 years 7 days
Weighted-Average Remaining Contractual Term (in years), Vested and exercisable (in years)	4 years 8 months 8 days
Aggregate Intrinsic Value (in thousands)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	$ 232,240	$ 447,989
Expected to vest	232,240
Vested and exercisable	$ 190,993

Share-based Compensation Arrangement by Share-based Payment Award, Options, Intrinsic Value

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Share Based Compensation Arrangement, By Share Based Payment Award, Options, Weighted Average Remaining Contractual Term

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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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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.

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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.

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Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Number of fully vested and expected to vest exercisable options that may 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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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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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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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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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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