Short-Term Investments - Schedule of Gross Unrealized Losses and Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Jun. 30, 2021
Schedule Of Available For Sale Securities [Line Items]
Fair value	$ 804,336	$ 246,040
Unrealized losses	(1,483)	(61)
Corporate Bonds
Schedule Of Available For Sale Securities [Line Items]
Fair value	433,430	152,485
Unrealized losses	(938)	(55)
U.S. Treasury Securities
Schedule Of Available For Sale Securities [Line Items]
Fair value	313,760	85,466
Unrealized losses	(462)	(5)
Asset Backed Securities
Schedule Of Available For Sale Securities [Line Items]
Fair value	57,146	8,089
Unrealized losses	$ (83)	$ (1)