ACQUISITIONS AND DIVESTITURES - Narrative (Details)				3 Months Ended
	Mar. 01, 2022 USD ($)	Nov. 01, 2021 USD ($) $ / shares shares	Apr. 01, 2021 USD ($) $ / shares shares	Mar. 31, 2022 USD ($) $ / shares	Mar. 31, 2021 USD ($)	Dec. 31, 2021 $ / shares
Business Acquisition [Line Items]
Common stock, par value (in dollars per share) | $ / shares				$ 0.01		$ 0.01
Merger transaction costs				$ 20,534,000	$ 3,295,000
Severance payments				$ 7,600,000	$ 0
HighPoint
Business Acquisition [Line Items]
Common stock, par value (in dollars per share) | $ / shares			$ 0.01
Exchange ratio			0.11464
Common stock, shares issued (in shares) | shares			9,802,000
Aggregate principal amount			$ 100,000,000
Merger consideration			474,933,000
Net assets acquired			$ 474,933,000
HighPoint | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow
Business Acquisition [Line Items]
Proved oil and gas properties, measurement input			0.13
HighPoint | Former HighPoint Stockholders
Business Acquisition [Line Items]
Common stock, shares issued (in shares) | shares			487,952
HighPoint | Holders of HighPoint Senior Notes
Business Acquisition [Line Items]
Common stock, shares issued (in shares) | shares			9,314,214
HighPoint | Senior Notes | Senior Notes Due 2026, 7.50%
Business Acquisition [Line Items]
Aggregate principal amount			$ 100,000,000
Interest rate (as a percent)			7.50%	7.50%		7.50%
HighPoint | HighPoint Resources Corporation
Business Acquisition [Line Items]
Common stock, par value (in dollars per share) | $ / shares			$ 0.001
HighPoint | HighPoint Operating Company | Senior Notes | Senior Notes Due 2022 and Senior Notes Due 2025
Business Acquisition [Line Items]
Aggregate principal amount			$ 625,000,000
HighPoint | HighPoint Operating Company | Senior Notes | Senior Notes Due 2022
Business Acquisition [Line Items]
Interest rate (as a percent)			7.00%
HighPoint | HighPoint Operating Company | Senior Notes | Senior Notes Due 2025
Business Acquisition [Line Items]
Interest rate (as a percent)			8.75%
Extraction
Business Acquisition [Line Items]
Exchange ratio		1.1711
Merger consideration		$ 1,844,129,000
Net assets acquired		$ 1,844,129,000
Extraction | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow
Business Acquisition [Line Items]
Proved oil and gas properties, measurement input		0.10
Extraction | Tranche A Warrants
Business Acquisition [Line Items]
Warrants issued (in shares) | shares		3,400,000
Extraction | Tranche B Warrants
Business Acquisition [Line Items]
Warrants issued (in shares) | shares		1,700,000
Extraction | Extraction Oil & Gas, Inc.
Business Acquisition [Line Items]
Common stock, par value (in dollars per share) | $ / shares		$ 0.01
Crestone Peak
Business Acquisition [Line Items]
Exchange ratio, collective number of shares | shares		22,500,000
Net assets acquired		$ 1,262,250,000
Crestone Peak | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow
Business Acquisition [Line Items]
Proved oil and gas properties, measurement input		0.10
Crestone Peak | Crestone Peak Resources America Inc.
Business Acquisition [Line Items]
Common stock, par value (in dollars per share) | $ / shares		$ 0.01
Bison
Business Acquisition [Line Items]
Merger consideration	$ 279,700,000
Net assets acquired	294,200,000
Bargain purchase gain	$ 14,500,000