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DERIVATIVE FINANCIAL INSTRUMENTS - Schedule of components of Gain (loss) on derivative contracts (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Gain (loss) on derivative contracts $ (6,720,320) $ (4,502,080) $ (73,586,199) $ 32,900,767
Oil        
Gain (loss) on derivative contracts $ (6,720,320) $ (4,502,080) (73,387,510) $ 32,900,767
Natural Gas        
Gain (loss) on derivative contracts     $ (198,689)