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FAIR VALUE OF FINANCIAL INSTRUMENTS - Effect of Derivative Instruments (Details) - USD ($)
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Change in unrealized gain (loss) on open commodity futures contracts $ 104,162 $ 7,140,769
Commodity Contracts | Realized gain (loss) on closed positions    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Realized gain (loss) on closed commodity futures contracts (129,888) 469,217
Commodity Contracts | Change in unrealized gain (loss) on open positions    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Change in unrealized gain (loss) on open commodity futures contracts $ 104,162 $ 7,140,769