Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVE INSTRUMENTS AND PRICE RISK MANAGEMENT - Summary of Open Commodity Derivative Positions (Details)

v3.21.2
DERIVATIVE INSTRUMENTS AND PRICE RISK MANAGEMENT - Summary of Open Commodity Derivative Positions (Details)
Jun. 30, 2021
bbl
MMBTU
$ / bbl
$ / MMBTU
WTI NYMEX - Swaps | 2021  
Derivative [Line Items]  
Volume | bbl 4,397,966
Weighted average price (in dollars per unit) | $ / bbl 54.45
WTI NYMEX - Swaps | 2022  
Derivative [Line Items]  
Volume | bbl 6,359,355
Weighted average price (in dollars per unit) | $ / bbl 54.89
WTI NYMEX - Swaps | 2023  
Derivative [Line Items]  
Volume | bbl 677,250
Weighted average price (in dollars per unit) | $ / bbl 58.66
WTI NYMEX - Swaps | 2024  
Derivative [Line Items]  
Volume | bbl 0
Weighted average price (in dollars per unit) | $ / bbl 0
WTI NYMEX - Swaptions | 2021  
Derivative [Line Items]  
Volume | bbl 0
Weighted average price (in dollars per unit) | $ / bbl 0
WTI NYMEX - Swaptions | 2022  
Derivative [Line Items]  
Volume | bbl 766,125
Weighted average price (in dollars per unit) | $ / bbl 55.15
WTI NYMEX - Swaptions | 2023  
Derivative [Line Items]  
Volume | bbl 3,691,000
Weighted average price (in dollars per unit) | $ / bbl 50.31
WTI NYMEX - Swaptions | 2024  
Derivative [Line Items]  
Volume | bbl 0
Weighted average price (in dollars per unit) | $ / bbl 0
Bakken Crude UHC To WTI NYMEX - Basis Swaps | 2021  
Derivative [Line Items]  
Volume | bbl 2,631,870
Weighted average price (in dollars per unit) | $ / bbl (2.47)
Bakken Crude UHC To WTI NYMEX - Basis Swaps | 2022  
Derivative [Line Items]  
Volume | bbl 0
Weighted average price (in dollars per unit) | $ / bbl 0
Bakken Crude UHC To WTI NYMEX - Basis Swaps | 2023  
Derivative [Line Items]  
Volume | bbl 0
Weighted average price (in dollars per unit) | $ / bbl 0
Bakken Crude UHC To WTI NYMEX - Basis Swaps | 2024  
Derivative [Line Items]  
Volume | bbl 0
Weighted average price (in dollars per unit) | $ / bbl 0
WTI NYMEX - Call Options | 2021  
Derivative [Line Items]  
Volume | bbl 0
Weighted average price (in dollars per unit) | $ / bbl 0
WTI NYMEX - Call Options | 2022  
Derivative [Line Items]  
Volume | bbl 0
Weighted average price (in dollars per unit) | $ / bbl 0
WTI NYMEX - Call Options | 2023  
Derivative [Line Items]  
Volume | bbl 365,000
Weighted average price (in dollars per unit) | $ / bbl 55.00
WTI NYMEX - Call Options | 2024  
Derivative [Line Items]  
Volume | bbl 3,264,210
Weighted average price (in dollars per unit) | $ / bbl 57.22
Henry Hub NYMEX - Swaps | 2021  
Derivative [Line Items]  
Volume 14,728,136
Weighted average price (in dollars per unit) | $ / MMBTU 2.82
Henry Hub NYMEX - Swaps | 2022  
Derivative [Line Items]  
Volume 13,897,291
Weighted average price (in dollars per unit) | $ / MMBTU 2.94
Henry Hub NYMEX - Swaps | 2023  
Derivative [Line Items]  
Volume 0
Weighted average price (in dollars per unit) | $ / MMBTU 0
Henry Hub NYMEX - Swaps | 2024  
Derivative [Line Items]  
Volume 0
Weighted average price (in dollars per unit) | $ / MMBTU 0
Waha Inside FERC to Henry Hub - Basis Swaps | 2021  
Derivative [Line Items]  
Volume 191,000
Weighted average differential (in dollars per unit) | $ / bbl (0.11)
Waha Inside FERC to Henry Hub - Basis Swaps | 2022  
Derivative [Line Items]  
Volume 365,000
Weighted average differential (in dollars per unit) | $ / bbl (0.26)
Waha Inside FERC to Henry Hub - Basis Swaps | 2023  
Derivative [Line Items]  
Volume 0
Weighted average differential (in dollars per unit) | $ / bbl 0
Waha Inside FERC to Henry Hub - Basis Swaps | 2024  
Derivative [Line Items]  
Volume 0
Weighted average differential (in dollars per unit) | $ / bbl 0
Columbia/TCO-POOL - Basis Swaps | 2021  
Derivative [Line Items]  
Volume 1,137,845
Weighted average differential (in dollars per unit) | $ / MMBTU (0.45)
Columbia/TCO-POOL - Basis Swaps | 2022  
Derivative [Line Items]  
Volume 1,067,187
Weighted average differential (in dollars per unit) | $ / MMBTU (0.43)
Columbia/TCO-POOL - Basis Swaps | 2023  
Derivative [Line Items]  
Volume 0
Weighted average differential (in dollars per unit) | $ / MMBTU 0
Columbia/TCO-POOL - Basis Swaps | 2024  
Derivative [Line Items]  
Volume 0
Weighted average differential (in dollars per unit) | $ / MMBTU 0
Dominion - App - Basis Swaps | 2021  
Derivative [Line Items]  
Volume 379,281
Weighted average differential (in dollars per unit) | $ / MMBTU (0.65)
Dominion - App - Basis Swaps | 2022  
Derivative [Line Items]  
Volume 355,729
Weighted average differential (in dollars per unit) | $ / MMBTU (0.64)
Dominion - App - Basis Swaps | 2023  
Derivative [Line Items]  
Volume 0
Weighted average differential (in dollars per unit) | $ / MMBTU 0
Dominion - App - Basis Swaps | 2024  
Derivative [Line Items]  
Volume 0
Weighted average differential (in dollars per unit) | $ / MMBTU 0
NE - TETCO M2 - Basis Swaps | 2021  
Derivative [Line Items]  
Volume 4,505,901
Weighted average differential (in dollars per unit) | $ / MMBTU (0.76)
NE - TETCO M2 - Basis Swaps | 2022  
Derivative [Line Items]  
Volume 5,639,374
Weighted average differential (in dollars per unit) | $ / MMBTU (0.78)
NE - TETCO M2 - Basis Swaps | 2023  
Derivative [Line Items]  
Volume 1,350,000
Weighted average differential (in dollars per unit) | $ / MMBTU (0.83)
NE - TETCO M2 - Basis Swaps | 2024  
Derivative [Line Items]  
Volume 0
Weighted average differential (in dollars per unit) | $ / MMBTU 0
TET-OPIS - Swaps | 2021  
Derivative [Line Items]  
Volume 61,500
Weighted average price (in dollars per unit) | $ / MMBTU 34.34
TET-OPIS - Swaps | 2022  
Derivative [Line Items]  
Volume 0
Weighted average price (in dollars per unit) | $ / MMBTU 0
TET-OPIS - Swaps | 2023  
Derivative [Line Items]  
Volume 0
Weighted average price (in dollars per unit) | $ / MMBTU 0
TET-OPIS - Swaps | 2024  
Derivative [Line Items]  
Volume 0
Weighted average price (in dollars per unit) | $ / MMBTU 0