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Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024
Statement of Comprehensive Income [Abstract]
Net loss	$ (19,995)	$ (34,889)	$ (44,323)	$ (72,821)
Other comprehensive income (loss), net of tax:
Net unrealized gains (losses) on investments	(267)	407	292	18
Other comprehensive income (loss), net of tax	(267)	407	292	18
Comprehensive loss	$ (20,262)	$ (34,482)	$ (44,031)	$ (72,803)

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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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