Inventories - Summary of Components of Inventory (Parenthetical) (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Jun. 30, 2025 |
|---|---|---|
| Inventory [Line Items] | ||
| Restricted inventories | $ 798,485 | $ 484,733 |
| Borrowed Precious Metals | ||
| Inventory [Line Items] | ||
| Restricted inventories | $ 709,200 | $ 0 |