CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2022	Jul. 31, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (71,871)	$ (37,459)
Other comprehensive loss
Unrealized (loss) gain on available-for-sale marketable securities, net of tax	(200)	106
Total comprehensive loss	$ (72,071)	$ (37,353)