Annual report pursuant to Section 13 and 15(d)

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

v3.20.4
DERIVATIVE INSTRUMENTS AND PRICE RISK MANAGEMENT - Summary of Open Commodity Derivative Positions (Details)
MMBTU in Thousands
Dec. 31, 2020
bbl
MMBTU
$ / bbl
$ / MMBTU
WTI NYMEX - Swaps | 2021  
Derivative [Line Items]  
Volume | bbl 7,545,124
Weighted average price (in dollars per unit) 55.06
WTI NYMEX - Swaps | 2022  
Derivative [Line Items]  
Volume | bbl 816,250
Weighted average price (in dollars per unit) 50.49
WTI NYMEX - Swaps | 2023  
Derivative [Line Items]  
Volume | bbl 0
Weighted average price (in dollars per unit) 0
WTI NYMEX - Swaptions | 2021  
Derivative [Line Items]  
Volume | bbl 0
Weighted average price (in dollars per unit) 0
WTI NYMEX - Swaptions | 2022  
Derivative [Line Items]  
Volume | bbl 3,131,125
Weighted average price (in dollars per unit) 52.68
WTI NYMEX - Swaptions | 2023  
Derivative [Line Items]  
Volume | bbl 1,455,000
Weighted average price (in dollars per unit) 47.98
Bakken Crude UHC To WTI NYMEX - Basis Swaps | 2021  
Derivative [Line Items]  
Volume | bbl 1,523,750
Weighted average price (in dollars per unit) (2.39)
Bakken Crude UHC To WTI NYMEX - Basis Swaps | 2022  
Derivative [Line Items]  
Volume | bbl 0
Weighted average price (in dollars per unit) 0
Bakken Crude UHC To WTI NYMEX - Basis Swaps | 2023  
Derivative [Line Items]  
Volume | bbl 0
Weighted average price (in dollars per unit) 0
Henry Hub NYMEX - Swaps | 2021  
Derivative [Line Items]  
Volume | MMBTU 13,000
Weighted average price (in dollars per unit) | $ / MMBTU 2.50
Henry Hub NYMEX - Swaps | 2022  
Derivative [Line Items]  
Volume | MMBTU 3,650
Weighted average price (in dollars per unit) | $ / MMBTU 2.61
Henry Hub NYMEX - Swaps | 2023  
Derivative [Line Items]  
Volume | MMBTU 0
Weighted average price (in dollars per unit) | $ / MMBTU 0
Waha Inside FERC to Henry Hub - Basis Swaps | 2021  
Derivative [Line Items]  
Volume | MMBTU 69
Weighted average differential (in dollars per unit) (0.28)
Waha Inside FERC to Henry Hub - Basis Swaps | 2022  
Derivative [Line Items]  
Volume | MMBTU 0
Weighted average differential (in dollars per unit) 0
Waha Inside FERC to Henry Hub - Basis Swaps | 2023  
Derivative [Line Items]  
Volume | MMBTU 0
Weighted average differential (in dollars per unit) 0