COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Feb. 17, 2017	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Delivery Of Natural Gas And Oil Production To Third Parties
Long-term Purchase Commitment [Line Items]
Payment for volume requirement agreement		$ 13.0	$ 13.4	$ 36.8	$ 41.1
Volume requirement commitment		557.8		557.8
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		$ 301.7		$ 301.7