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Common Stock and Stockholders' Equity - Shares Available for Issuance (Details) - shares	Apr. 30, 2024	Jan. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant (in shares)	19,846,670	17,178,454
Total common stock reserved at period end (in shares)	39,739,271
Stock options, RSUs and PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding stock options and unvested RSUs outstanding (in shares)	15,595,062
Number of shares available for grant (in shares)	19,846,670
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant (in shares)	4,297,539

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