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FAIR VALUE OF FINANCIAL INSTRUMENTS - The Effect of Derivative Instruments on the Statements of Operations (Details) - USD ($)
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
FAIR VALUE OF FINANCIAL INSTRUMENTS      
Change in unrealized gain (loss) on open $ 40,623,818 $ 184,838,398 $ (146,128,350)
Commodity Contracts | Futures Contracts | Open positions      
FAIR VALUE OF FINANCIAL INSTRUMENTS      
Change in unrealized gain (loss) on open 40,623,818 184,838,398 (146,128,350)
Commodity Contracts | Futures Contracts | Closed positions      
FAIR VALUE OF FINANCIAL INSTRUMENTS      
Realized gain (loss) on closed (47,713,339) (762,934,486) $ 218,669,630
Commodity Contracts | OTC Commodity Swap Contracts | Open positions      
FAIR VALUE OF FINANCIAL INSTRUMENTS      
Change in unrealized gain (loss) on open (14,905,416) 14,903,211  
Commodity Contracts | OTC Commodity Swap Contracts | Closed positions      
FAIR VALUE OF FINANCIAL INSTRUMENTS      
Realized gain (loss) on closed $ 58,360,050 $ (144,572,961)