Secured Loans Receivable - Schedule of Classes for Financing Receivables (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Jun. 30, 2025 |
|---|---|---|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Secured loans | $ 126,034 | $ 94,037 |
| Secured loan, percentage | 100.00% | 100.00% |
| Bullion | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Secured loans | $ 85,621 | $ 54,843 |
| Secured loan, percentage | 67.90% | 58.30% |
| Numismatic and Semi-numismatic | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Secured loans | $ 31,295 | $ 32,439 |
| Secured loan, percentage | 24.80% | 34.50% |
| Graded Sports Cards | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Secured loans | $ 9,118 | $ 6,755 |
| Secured loan, percentage | 7.30% | 7.20% |