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FAIR VALUE OF FINANCIAL INSTRUMENTS - Effect of Derivative Instruments on Condensed Statements of Operations (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
FAIR VALUE OF FINANCIAL INSTRUMENTS        
Change in Unrealized Gain (Loss) on Derivatives Recognized in Income $ (13,819,013) $ 1,765,497 $ (7,367,059) $ 1,760,540
Commodity Contracts | Futures | Not Designated as Hedging Instrument | Realized gain (loss) on closed futures contracts        
FAIR VALUE OF FINANCIAL INSTRUMENTS        
Realized Gain (Loss) on Derivatives Recognized in Income     10,102,488 551,700
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     $ (7,367,059) $ 1,760,540