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FAIR VALUE OF FINANCIAL INSTRUMENTS - Effect of Derivative Instruments on Statements of Operations (Details) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Derivative Instruments, Gain (Loss)    
Change in Unrealized Gain (Loss) on Derivatives Recognized in Income $ 154,902,602 $ (48,013,241)
Commodity Contracts | Realized gain (loss) on closed positions | Futures    
Derivative Instruments, Gain (Loss)    
Realized gain (Loss) on Derivatives Recognized in Income 636,420,317 775,473,170
Commodity Contracts | Realized gain (loss) on closed positions | Swap | OTC    
Derivative Instruments, Gain (Loss)    
Realized gain (Loss) on Derivatives Recognized in Income 31,522,990 0
Commodity Contracts | Change in unrealized gain (loss) on open positions | Futures    
Derivative Instruments, Gain (Loss)    
Change in Unrealized Gain (Loss) on Derivatives Recognized in Income 154,902,602 (48,013,241)
Commodity Contracts | Change in unrealized gain (loss) on open positions | Swap | OTC    
Derivative Instruments, Gain (Loss)    
Change in Unrealized Gain (Loss) on Derivatives Recognized in Income $ (1,287) $ 0