Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (57,724)	$ (122,787)	$ (300,663)	$ (462,476)
Other comprehensive (loss) income, net of tax:
Unrealized loss on available-for-sale marketable securities, net	(324)	(81)	(625)	(72)
Foreign currency translation adjustments	(3,873)	8,510	(3,321)	16,424
Other comprehensive (loss) income, net	(4,197)	8,429	(3,946)	16,352
Comprehensive loss	$ (61,921)	$ (114,358)	$ (304,609)	$ (446,124)