CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2023	Jan. 31, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ (63,162)	$ (39,447)	$ (203,883)	$ (133,645)
Other comprehensive income (loss)
Unrealized gain (loss) on available-for-sale marketable securities, net of tax	1,770	(556)	1,113	(877)
Comprehensive loss	$ (61,392)	$ (40,003)	$ (202,770)	$ (134,522)