Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ (31,901)	$ (122,561)
Other comprehensive income (loss), net of tax:
Unrealized gain (loss) on available-for-sale marketable securities, net	143	(460)
Foreign currency translation adjustments	2,319	2
Other comprehensive income (loss), net	2,462	(458)
Comprehensive loss	$ (29,439)	$ (123,019)