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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, 2023
Dec. 31, 2022
Dec. 31, 2021
FAIR VALUE OF FINANCIAL INSTRUMENTS      
Change in unrealized gain (loss) on open $ 184,838,398 $ (146,128,350) $ 15,817,312
Commodity Contracts | Futures Contracts | Open positions      
FAIR VALUE OF FINANCIAL INSTRUMENTS      
Change in unrealized gain (loss) on open 184,838,398 (146,128,350) 15,817,312
Commodity Contracts | Futures Contracts | Closed positions      
FAIR VALUE OF FINANCIAL INSTRUMENTS      
Realized gain (loss) on closed (762,934,486) $ 218,669,630 $ 6,104,950
Commodity Contracts | OTC Commodity Swap Contracts | Closed positions      
FAIR VALUE OF FINANCIAL INSTRUMENTS      
Realized gain (loss) on closed (144,572,961)    
Change in unrealized gain (loss) on open $ 14,903,211