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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (84,841)	$ (81,293)	$ (281,000)	$ (222,418)
Other comprehensive income (loss), net of tax:
Unrealized income (loss) on available-for-sale securities	1,139	(298)	(62)	(350)
Foreign currency translation adjustment	(736)	(714)	(801)	(238)
Other comprehensive income (loss)	403	(1,012)	(863)	(588)
Total comprehensive loss	$ (84,438)	$ (82,305)	$ (281,863)	$ (223,006)

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