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FAIR VALUE OF FINANCIAL INSTRUMENTS - The Effect of Derivative Instruments on the Statements of Operations (Details) - USD ($)
9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Change in unrealized gain (loss) on open $ (79,609,916) $ 30,647,389
Commodity Contracts | Futures Contracts | Closed positions    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Realized gain (loss) on closed 129,894,969 (81,062,710)
Commodity Contracts | Futures Contracts | Open positions    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Change in unrealized gain (loss) on open (79,609,916) 30,647,389
Commodity Contracts | OTC Commodity Swap Contracts | Closed positions    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Realized gain (loss) on closed (29,548,956) 54,594,629
Commodity Contracts | OTC Commodity Swap Contracts | Open positions    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Change in unrealized gain (loss) on open $ 1,235 $ (14,904,886)