Income Taxes - Difference between Income Taxes Computed At Federal Statutory Rate and (Benefit from) Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Income Tax Disclosure [Abstract]
Expected benefit at U.S. federal statutory rate	$ (46,813)	$ (69,443)	$ (29,261)
State income taxes, net of federal benefit	8,087	13,509	(54)
Stock-based compensation (1)	4,253	(93,705)	(70,262)
Research and development tax credits	(19,974)	(22,061)	(8,846)
Change in valuation allowance related to acquisition	(126)	(2,831)	(34,749)
Change in valuation allowance	48,321	174,477	94,244
Unrecognized tax benefit	(390)	(10,975)	6,766
Acquisition-related costs	0	553	1,484
Foreign rate differential	4,942	5,496	0
Other	2,508	662	61
Provision for (benefit from) income taxes	$ 808	$ (4,318)	$ (40,617)