Significant Accounting Policies - Schedule of changes in ounces of gold and respective fair value (Parentheticals) (Details) - Baskets |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
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| Schedule Of Changes In Ounces Of Gold And Respective Fair Value [Abstract] | ||||
| Number of baskets issued | 286 | 94 | 590 | 114 |
| Number of baskets redeemed | 66 | 0 | 66 | 102 |