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Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024
Statement of Comprehensive Income [Abstract]
Net loss	$ (15,107)	$ (24,071)	$ (59,430)	$ (96,892)
Other comprehensive income (loss), net of tax:
Net unrealized gains (losses) on investments	475	(132)	767	(114)
Other comprehensive income (loss), net of tax	475	(132)	767	(114)
Comprehensive loss	$ (14,632)	$ (24,203)	$ (58,663)	$ (97,006)

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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