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FAIR VALUE OF FINANCIAL INSTRUMENTS - Effect of Derivative Instruments (Details) - USD ($)
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Location of Gain (Loss) on Derivatives Recognized in Income Unrealized Gain (Loss) On Investments  
Change in Unrealized Gain (Loss) on Derivatives Recognized in Income $ (22,983,890) $ 11,268,830
Commodity Contract    
Location of Gain (Loss) on Derivatives Recognized in Income Realized gain (loss) on closed commodity futures contracts  
Realized gain (Loss) on Derivatives Recognized in Income $ 102,557,650 $ 147,368,380