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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%