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DERIVATIVE AND HEDGING ACTIVITIES - Realized Unrealized (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Derivative and hedging activities        
Total net gain (loss) on derivative contracts $ (31,910) $ (53,089) $ (155,768) $ (98,800)
Derivatives not designated as hedging contracts | Commodity contracts        
Derivative and hedging activities        
Total net gain (loss) on derivative contracts (31,910) (53,089) (155,768) (98,800)
Derivatives not designated as hedging contracts | Commodity contracts | Other Income Expense        
Derivative and hedging activities        
Unrealized gain (loss) on commodity contracts 12,837 (34,817) (78,201) (70,869)
Realized gain (loss) on commodity contracts $ (44,747) $ (18,272) $ (77,567) $ (27,931)