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DERIVATIVE FINANCIAL INSTRUMENTS (Details 2) - Oil Swaps [Member] - 2020 [Member]	Mar. 31, 2021 $ / shares
Second quarter [Member]
Quarterly volume (MBbl)	15.18
Price per Bbl	$ 50.87
Third quarter [Member]
Quarterly volume (MBbl)	5.20
Price per Bbl	$ 38.25
Fourth quarter [Member]
Quarterly volume (MBbl)	0
Price per Bbl	$ 0.0

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