Financing Agreements - Liability on Borrowed Metals and Precious Metals Leases - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Jun. 30, 2025
Liabilities On Borrowed Metals [Line Items]
Liabilities on borrowed metals	$ 85,606		$ 85,606		$ 46,051
Precious metals leases value	280,500		280,500		$ 246,500
Liabilities on Borrowed Metals and Precious Metals Leases
Liabilities On Borrowed Metals [Line Items]
Interest expense			$ 4,800	$ 1,600
Percentage of total expense recognized			16.70%	8.00%
Effective rate of interest			4.50%	2.60%
Liabilities on Borrowed Metals
Liabilities On Borrowed Metals [Line Items]
Interest expense	$ 2,700	$ 900
Percentage of total expense recognized	16.80%	8.40%