v3.26.1
Inventories - Additional Information (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Jun. 30, 2025
Inventory Disclosure [Abstract]
Premium on metals position
$ 12,782
$ 35,295
X
- Definition
Inventory Purchase Premium On Metals Position marked to market
+ References
No definition available.
+ Details
Name:
gold_InventoryPurchasePremiumOnMetalsPositionmarkedtomarket
Namespace Prefix:
gold_
Data Type:
xbrli:monetaryItemType
Balance Type:
debit
Period Type:
instant
X
- References
No definition available.
+ Details
Name:
us-gaap_InventoryDisclosureAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration