Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Statement of Comprehensive Income [Abstract]
Net loss	$ (24,071)	$ (41,710)	$ (96,892)	$ (108,810)
Other comprehensive loss, net of tax:
Net unrealized losses on investments	(132)	(289)	(114)	(727)
Other comprehensive loss, net of tax	(132)	(289)	(114)	(727)
Comprehensive loss	$ (24,203)	$ (41,999)	$ (97,006)	$ (109,537)