CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (223,725)	$ (326,361)	$ (98,720)
Other comprehensive income (loss):
Net unrealized gain (loss) on investments in available-for-sale securities	5,729	(10,117)	(2,520)
Comprehensive loss	$ (217,996)	$ (336,478)	$ (101,240)