Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Income Taxes [Line Items]
Change in valuation allowance	$ 95,300	$ 276,300	$ 22,300
Federal and state net operating loss carryforwards expiration year	2025
Unrecognized tax benefits related to federal and California R&D credits	$ 23,300	$ 16,724	$ 22,185	$ 5,787
Federal Tax
Income Taxes [Line Items]
Net operating loss carryforwards	1,400,000
Research and development tax credit carryforwards	56,100
State Tax
Income Taxes [Line Items]
Net operating loss carryforwards	1,100,000
Research and development tax credit carryforwards	35,600
Foreign Tax Authority
Income Taxes [Line Items]
Net operating loss carryforwards	$ 83,400