Equity Plans and Stock-based Compensation - Narrative (Details) $ in Millions	3 Months Ended	6 Months Ended
Jul. 31, 2024 USD ($) shares	Jul. 31, 2024 USD ($) shares
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Unrecognized stock-based compensation cost \| $	$ 136.4	$ 136.4
Period for recognition (in years)		2 years 2 months 12 days
2021 Equity Incentive Plan
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Common stock reserved (in shares)	37,590,709	37,590,709
Number of stock options granted (in shares)	0	0
Employee stock purchase plan
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Common stock reserved (in shares)	15,498,912	15,498,912

Aggregate number of common shares reserved for future issuance.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
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-Publisher FASB
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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