Annual report [Section 13 and 15(d), not S-K Item 405]

Assets and Liabilities, at Fair Value - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Parenthetical) (Details)

v3.25.2
Assets and Liabilities, at Fair Value - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Parenthetical) (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Jun. 30, 2024
Fair Value Disclosures [Abstract]    
Collectible coin inventory, held at lower of cost or net realizable value $ 68,193 $ 3,236