Secured Loans Receivable - Schedule of Classes for Financing Receivables (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Jun. 30, 2025 |
|---|---|---|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Secured loans | $ 120,351 | $ 94,037 |
| Secured loan, percentage | 100.00% | 100.00% |
| Bullion | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Secured loans | $ 75,564 | $ 54,843 |
| Secured loan, percentage | 62.80% | 58.30% |
| Numismatic and Semi-numismatic | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Secured loans | $ 35,431 | $ 32,439 |
| Secured loan, percentage | 29.40% | 34.50% |
| Graded Sports Cards | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Secured loans | $ 9,356 | $ 6,755 |
| Secured loan, percentage | 7.80% | 7.20% |