Restatement of Previously Issued Financial Statements - Schedule of Changes in Contract Assets and Contract Liabilities (Detail) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Contract with Customer Asset and Liability [Line Items]
Accounts receivable, beginning of period	$ 0	$ 83
Amounts billed	27,638	2,727
Payments received	(17,638)	(2,693)
Accounts receivable, end of period	10,000	117
Unbilled receivables, beginning of period	7,582	2,858
Billable amounts	28,176	5,114
Amounts billed	(27,638)	(2,727)
Unbilled receivables, end of period	8,120	5,245
Contract liabilities, beginning of period	14,677	19,108
Revenue recognised	417	(1,718)
Payments received	20,000	254
Contract liabilities, end of period	$ 35,094	$ 17,644