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FAIR VALUE OF FINANCIAL INSTRUMENTS - Effect of Derivative Instruments on Condensed Statements of Operations (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
FAIR VALUE OF FINANCIAL INSTRUMENTS      
Change in Unrealized Gain (Loss) on Derivatives Recognized in Income $ (8,968,249) $ 570,473 $ 413,714
Commodity Contracts | Futures | Not Designated as Hedging Instrument | Realized gain (loss) on closed positions      
FAIR VALUE OF FINANCIAL INSTRUMENTS      
Realized Gain (Loss) on Derivatives Recognized in Income 0 2,685,138 (608,115)
Commodity Contracts | Futures | Not Designated as Hedging Instrument | Change in unrealized gain (loss) on open positions      
FAIR VALUE OF FINANCIAL INSTRUMENTS      
Change in Unrealized Gain (Loss) on Derivatives Recognized in Income $ 0 $ 570,473 $ 413,714