Restructuring Plan - Summary of Restructuring Costs (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jul. 31, 2026	Jul. 31, 2026
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	$ 3,500	$ 3,500
Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense
Restructuring Cost and Reserve [Line Items]
Total restructuring costs		784
Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense
Restructuring Cost and Reserve [Line Items]
Total restructuring costs		2,334
Location, Statement of Income, Balance [Axis]: us-gaap:SellingAndMarketingExpense
Restructuring Cost and Reserve [Line Items]
Total restructuring costs		$ 382

- Definition

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