Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (105,551)	$ (102,111)	$ (84,634)
Foreign currency translation adjustments	(710)	(489)	490
Unrealized losses on securities available for sale	0	0	(2)
Comprehensive loss	$ (106,261)	$ (102,600)	$ (84,146)