Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (345,108)	$ (132,241)	$ (197,024)
Other comprehensive income (loss):
Foreign currency translation adjustment, net of tax	(7,716)	(8,374)	141
Available-for-sale short-term investments:
Unrealized loss on short-term investments, net of tax	(449)	0	0
Reclassification to net income, net of tax	0	0	(23)
Other comprehensive income (loss)	(8,165)	(8,374)	118
Comprehensive loss	$ (353,273)	$ (140,615)	$ (196,906)