Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2023	Oct. 31, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ (31,537)	$ (57,724)	$ (123,799)	$ (300,663)
Other comprehensive income (loss), net of tax:
Unrealized gain (loss) on available-for-sale marketable securities, net	277	(324)	259	(625)
Foreign currency translation adjustments	(8,625)	(3,873)	(4,713)	(3,321)
Other comprehensive loss, net	(8,348)	(4,197)	(4,454)	(3,946)
Comprehensive loss	$ (39,885)	$ (61,921)	$ (128,253)	$ (304,609)