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FAIR VALUE OF FINANCIAL INSTRUMENTS - Effect of Derivative Instruments (Details) - USD ($)
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Derivative Instruments, Gain (Loss) [Line Items]    
Change in Unrealized Gain (Loss) on Derivatives Recognized in Income $ (3,118,050) $ 33,569,439
Commodity Contracts | Realized gain (loss) on closed positions    
Derivative Instruments, Gain (Loss) [Line Items]    
Realized Gain (Loss) on Derivatives Recognized in Income 93,465,600 49,901,670
Commodity Contracts | Change in unrealized gain (loss) on open positions    
Derivative Instruments, Gain (Loss) [Line Items]    
Change in Unrealized Gain (Loss) on Derivatives Recognized in Income $ (3,118,050) $ 33,569,439