COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Millions		3 Months Ended
	Feb. 17, 2017	Mar. 31, 2022	Mar. 31, 2021
Delivery Of Natural Gas And Oil Production To Third Parties
Long-term Purchase Commitment [Line Items]
Payment for volume requirement agreement		$ 11.0	$ 12.6
Volume requirement commitment		552.1
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		$ 351.7