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Schedule of Investments (Parenthetical) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Expiration date | Dec. 31, 2023 | Dec. 31, 2022
Collateral amount on open future contracts | $ 45,391,063 | $ 69,049,486
United States - Money Market Funds | Cash Equivalents | Morgan Stanley Institutional Liquidity Funds - Government Portfolio - Institutional Shares |  |
Interest rate | 5.27% | 4.12%

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