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Schedule of Investments (Unaudited) (Parenthetical) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Investment, Period of Yield 7 days 7 days
Open Commodity Futures Contracts - Long    
Collateral amount on open futures contracts $ 210,142,319 $ 263,049,397
Open OTC Commodity Swap Contracts    
Collateral amount on open futures contracts $ 10,220,489 $ 17,210,489
United States Money Market Funds    
Expiration date Mar. 31, 2025 Dec. 31, 2024
United States Money Market Funds | Cash Equivalents | Morgan Stanley Institutional Liquidity Funds - Government Portfolio - Institutional Shares    
Investment interest rate 4.27% 4.43%