COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	Feb. 17, 2017	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Delivery Of Natural Gas And Oil Production To Third Parties
Long-term Purchase Commitment [Line Items]
Payment for volume requirement agreement		$ 12.8	$ 15.1	$ 23.8	$ 27.7
Volume requirement commitment		563.3		563.3
Rustler Breaks and Wolf Asset Area | Corporate Joint Venture | San Mateo Midstream
Long-term Purchase Commitment [Line Items]
Term of contractual obligation	15 years
Rustler Breaks Asset Area | Corporate Joint Venture | San Mateo Midstream
Long-term Purchase Commitment [Line Items]
Term of contractual obligation	15 years
Operational Agreements | San Mateo Midstream
Long-term Purchase Commitment [Line Items]
Contractual obligation		$ 315.5		$ 315.5