Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVE INSTRUMENTS (Derivative Instruments in Financial Position) (Details)

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DERIVATIVE INSTRUMENTS (Derivative Instruments in Financial Position) (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Derivatives, Fair Value [Line Items]    
Short-term derivative asset $ 15,720 $ 4,695
Long-term derivative asset 20,696 18,664
Short-term derivative liability (820,255) (240,735)
Long-term derivative liability (281,622) (184,580)
Commodity Contracts    
Derivatives, Fair Value [Line Items]    
Short-term derivative asset 15,720 4,695
Long-term derivative asset 20,696 18,664
Short-term derivative liability (820,255) (240,735)
Long-term derivative liability (281,622) (184,580)
Total net (liability) asset derivative position $ (1,065,461) $ (401,956)