DERIVATIVE INSTRUMENTS AND PRICE RISK MANAGEMENT - Summary of Open Commodity Derivative Positions (Details)	Dec. 31, 2021 bbl MMBTU $ / bbl
WTI NYMEX - Swaps | 2022
Derivative [Line Items]
Volume (in units) | bbl	9,864,780
Weighted average price (in dollars per unit)	60.58
WTI NYMEX - Swaps | 2023
Derivative [Line Items]
Volume (in units) | bbl	2,651,625
Weighted average price (in dollars per unit)	64.40
WTI NYMEX - Swaps | 2024
Derivative [Line Items]
Volume (in units) | bbl	549,000
Weighted average price (in dollars per unit)	63.82
WTI NYMEX - Swaps | 2025
Derivative [Line Items]
Volume (in units) | bbl	0
Weighted average price (in dollars per unit)	0
Brent ICE - Swaps | 2022
Derivative [Line Items]
Volume (in units) | bbl	365,000
Weighted average price (in dollars per unit)	55.00
Brent ICE - Swaps | 2023
Derivative [Line Items]
Volume (in units) | bbl	0
Weighted average price (in dollars per unit)	0
Brent ICE - Swaps | 2024
Derivative [Line Items]
Volume (in units) | bbl	0
Weighted average price (in dollars per unit)	0
Brent ICE - Swaps | 2025
Derivative [Line Items]
Volume (in units) | bbl	0
Weighted average price (in dollars per unit)	0
WTI NYMEX - Swaptions | 2022
Derivative [Line Items]
Volume (in units) | bbl	0
Weighted average price (in dollars per unit)	0
WTI NYMEX - Swaptions | 2023
Derivative [Line Items]
Volume (in units) | bbl	2,869,750
Weighted average price (in dollars per unit)	54.94
WTI NYMEX - Swaptions | 2024
Derivative [Line Items]
Volume (in units) | bbl	1,692,750
Weighted average price (in dollars per unit)	62.25
WTI NYMEX - Swaptions | 2025
Derivative [Line Items]
Volume (in units) | bbl	0
Weighted average price (in dollars per unit)	0
WTI NYMEX - Call Options | 2022
Derivative [Line Items]
Volume (in units) | bbl	0
Weighted average price (in dollars per unit)	0
WTI NYMEX - Call Options | 2023
Derivative [Line Items]
Volume (in units) | bbl	730,000
Weighted average price (in dollars per unit)	63.48
WTI NYMEX - Call Options | 2024
Derivative [Line Items]
Volume (in units) | bbl	3,264,210
Weighted average price (in dollars per unit)	57.22
WTI NYMEX - Call Options | 2025
Derivative [Line Items]
Volume (in units) | bbl	730,000
Weighted average price (in dollars per unit)	49.95
Henry Hub NYMEX - Swaps | 2022
Derivative [Line Items]
Volume (in units) | MMBTU	30,237,291
Weighted average price (in dollars per unit)	3.27
Henry Hub NYMEX - Swaps | 2023
Derivative [Line Items]
Volume (in units) | MMBTU	5,900,000
Weighted average price (in dollars per unit)	3.67
Henry Hub NYMEX - Swaps | 2024
Derivative [Line Items]
Volume (in units) | MMBTU	2,562,000
Weighted average price (in dollars per unit)	3.22
Henry Hub NYMEX - Swaps | 2025
Derivative [Line Items]
Volume (in units) | MMBTU	0
Weighted average price (in dollars per unit)	0
Waha Swaps | 2022
Derivative [Line Items]
Volume (in units) | MMBTU	1,375,000
Weighted average price (in dollars per unit)	3.18
Waha Swaps | 2023
Derivative [Line Items]
Volume (in units) | MMBTU	900,000
Weighted average price (in dollars per unit)	3.62
Waha Swaps | 2024
Derivative [Line Items]
Volume (in units) | MMBTU	0
Weighted average price (in dollars per unit)	0
Waha Swaps | 2025
Derivative [Line Items]
Volume (in units) | MMBTU	0
Weighted average price (in dollars per unit)	0
Waha Inside FERC to Henry Hub - Basis Swaps | 2022
Derivative [Line Items]
Volume (in units) | MMBTU	365,000
Weighted average differential (in dollars per unit)	(0.26)
Waha Inside FERC to Henry Hub - Basis Swaps | 2023
Derivative [Line Items]
Volume (in units) | MMBTU	0
Weighted average differential (in dollars per unit)	0
Waha Inside FERC to Henry Hub - Basis Swaps | 2024
Derivative [Line Items]
Volume (in units) | MMBTU	0
Weighted average differential (in dollars per unit)	0
Waha Inside FERC to Henry Hub - Basis Swaps | 2025
Derivative [Line Items]
Volume (in units) | MMBTU	0
Weighted average differential (in dollars per unit)	0
Henry Hub NYMEX - Collars | 2022
Derivative [Line Items]
Volume (in units) | MMBTU	6,360,000
Weighted average floor price (in dollars per unit)	3.64
Weighted average ceiling price (in dollars per unit)	7.21
Henry Hub NYMEX - Collars | 2023
Derivative [Line Items]
Volume (in units) | MMBTU	900,000
Weighted average floor price (in dollars per unit)	3.50
Weighted average ceiling price (in dollars per unit)	7.50
Henry Hub NYMEX - Collars | 2024
Derivative [Line Items]
Volume (in units) | MMBTU	0
Weighted average floor price (in dollars per unit)	0
Weighted average ceiling price (in dollars per unit)	0
Henry Hub NYMEX - Collars | 2025
Derivative [Line Items]
Volume (in units) | MMBTU	0
Weighted average floor price (in dollars per unit)	0
Weighted average ceiling price (in dollars per unit)	0
Columbia/TCO-POOL - Basis Swaps | 2022
Derivative [Line Items]
Volume (in units) | MMBTU	0
Weighted average differential (in dollars per unit)	0
Columbia/TCO-POOL - Basis Swaps | 2023
Derivative [Line Items]
Volume (in units) | MMBTU	0
Weighted average differential (in dollars per unit)	0
Columbia/TCO-POOL - Basis Swaps | 2024
Derivative [Line Items]
Volume (in units) | MMBTU	0
Weighted average differential (in dollars per unit)	0
Columbia/TCO-POOL - Basis Swaps | 2025
Derivative [Line Items]
Volume (in units) | MMBTU	0
Weighted average differential (in dollars per unit)	0
Dominion - App - Basis Swaps | 2022
Derivative [Line Items]
Volume (in units) | MMBTU	355,729
Weighted average differential (in dollars per unit)	(0.64)
Dominion - App - Basis Swaps | 2023
Derivative [Line Items]
Volume (in units) | MMBTU	0
Weighted average differential (in dollars per unit)	0
Dominion - App - Basis Swaps | 2024
Derivative [Line Items]
Volume (in units) | MMBTU	0
Weighted average differential (in dollars per unit)	0
Dominion - App - Basis Swaps | 2025
Derivative [Line Items]
Volume (in units) | MMBTU	0
Weighted average differential (in dollars per unit)	0
NE - TETCO M2 - Basis Swaps | 2022
Derivative [Line Items]
Volume (in units) | MMBTU	12,496,561
Weighted average differential (in dollars per unit)	(0.83)
NE - TETCO M2 - Basis Swaps | 2023
Derivative [Line Items]
Volume (in units) | MMBTU	1,350,000
Weighted average differential (in dollars per unit)	(0.83)
NE - TETCO M2 - Basis Swaps | 2024
Derivative [Line Items]
Volume (in units) | MMBTU	0
Weighted average differential (in dollars per unit)	0
NE - TETCO M2 - Basis Swaps | 2025
Derivative [Line Items]
Volume (in units) | MMBTU	0
Weighted average differential (in dollars per unit)	0