Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2024	Apr. 30, 2023
Statement of Comprehensive Income [Abstract]
Net loss	$ (71,799)	$ (79,388)
Other comprehensive income (loss):
Foreign currency translation adjustment	(2,074)	4,142
Reclassification adjustment for net realized gains on short-term investments included in net income, net of tax	0	449
Other comprehensive income (loss)	(2,074)	4,591
Comprehensive loss	$ (73,873)	$ (74,797)