Leases - Schedule of Total Operating Costs (Detail) - General and Administrative Expense [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Operating lease cost	$ 609	$ 608	$ 1,217	$ 1,217
Variable lease costs	12	17	24	35
Total lease costs included in general and administrative expenses	$ 621	$ 625	$ 1,241	$ 1,252