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Schedule of Investments (Parenthetical) - USD ($)
Dec. 31, 2024
Dec. 31, 2023
Collateral amount on open commodity futures contracts $ 46,487,832 $ 210,148,873
Collateral amount on open OTC commodity swap contracts $ 37,100,156 $ 40,660,000
Morgan Stanley Institutional Liquidity Funds - Government Portfolio - Institutional Shares    
Interest rate 4.43%  
Morgan Stanley Institutional Liquidity Funds - Government Portfolio - Institutional Shares, 5.27%    
Investment interest rate   5.27%
United States | US Treasury Securities | U.S. Treasury Bills 4.39%, 2/27/2025    
Interest rate 4.39%