The Company and Its Significant Accounting Policies - Schedule of Condensed Cash Flow Statement (Details) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2020	Sep. 30, 2019
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Net cash used in operating activities	$ (2,356)	$ (2,380)
Net cash (used in) provided by investing activities	(73,457)	76,616
Net cash provided by financing activities	37,278	136,455
Net (decrease) increase in cash, cash equivalents, restricted cash, and restricted cash equivalents	(38,535)	210,691
Cash, cash equivalents, restricted cash, and restricted cash equivalents, beginning of period	1,592,377	983,168
Cash, cash equivalents, restricted cash, and restricted cash equivalents, end of period	$ 1,553,842	1,193,859
AS Previously Reported
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Net cash used in operating activities		(2,380)
Net cash (used in) provided by investing activities		(138,132)
Net cash provided by financing activities		136,455
Net (decrease) increase in cash, cash equivalents, restricted cash, and restricted cash equivalents		(4,057)
Cash, cash equivalents, restricted cash, and restricted cash equivalents, beginning of period		90,306
Cash, cash equivalents, restricted cash, and restricted cash equivalents, end of period		86,249
Revision of Prior Period, Adjustment \| ASU No. 2016-18
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Net cash (used in) provided by investing activities		214,748
Net (decrease) increase in cash, cash equivalents, restricted cash, and restricted cash equivalents		214,748
Cash, cash equivalents, restricted cash, and restricted cash equivalents, beginning of period		892,862
Cash, cash equivalents, restricted cash, and restricted cash equivalents, end of period		$ 1,107,610

Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including, but not limited to, disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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