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DERIVATIVE AND HEDGING ACTIVITIES - Realized Unrealized (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Derivative and hedging activities    
Total net gain (loss) on derivative contracts $ (123,858) $ (45,711)
Derivatives not designated as hedging contracts | Commodity contracts    
Derivative and hedging activities    
Total net gain (loss) on derivative contracts (123,858) (45,711)
Derivatives not designated as hedging contracts | Commodity contracts | Other Income Expense    
Derivative and hedging activities    
Unrealized gain (loss) on commodity contracts (91,038) (36,052)
Realized gain (loss) on commodity contracts $ (32,820) $ (9,659)