CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2022	Apr. 30, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (4,699)	$ (14,573)
Other comprehensive (loss) income
Net foreign currency translation (loss) gain	(5,266)	273
Net unrealized gain on cash flow hedge	1,064	294
Net unrealized loss on available-for-sale securities	(24)
Other comprehensive (loss) income	(4,226)	567
Comprehensive loss	$ (8,925)	$ (14,006)