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	$ (80,593)	$ (54,246)
Other comprehensive income (loss), net of tax:
Unrealized (loss) income on available-for-sale securities	(9,541)	818
Foreign currency translation adjustment	(1,007)	921
Other comprehensive (loss) income	(10,548)	1,739
Total comprehensive loss	$ (91,141)	$ (52,507)