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Financial Highlights - $ / shares | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Per Share Performance (for a Share outstanding throughout the entire period) |  |  |
Net asset value per Share at beginning of period | $ 97.89 | $ 76.20 | $ 63.03
Income from investment operations: |  |  |
Net investment loss | (0.56) | (0.53) | (0.41)
Total realized and unrealized gains or losses on investment in Bullion | (8.29) | 22.22 | 13.58
Change in net assets from operations | (8.85) | 21.69 | 13.17
Net asset value per Share at end of period | $ 89.04 | $ 97.89 | $ 76.20
Weighted average number of Shares | 10,340,548 | 7,247,814 | 5,811,918
Expense ratio | 0.60% | 0.60% | 0.60%
Net investment loss ratio | (0.60%) | (0.60%) | (0.60%)
Total return, net asset value | (9.04%) | 28.46% | 20.89%

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