Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details)

v3.20.4
Subsequent Events (Details)
 2 Months Ended 12 Months Ended
Mar. 01, 2021
MMBTU
$ / MMBTU
Dec. 31, 2020
MMBTU
$ / MMBTU
Tetco M2    
Subsequent Event [Line Items]    
Daily Volume (MMBtu/day) | MMBTU   60,000
Weighted average price of derivative swap (usd per MMBtu or Bbls)   (0.67)
Rex Zone 3    
Subsequent Event [Line Items]    
Daily Volume (MMBtu/day) | MMBTU   35,000
Weighted average price of derivative swap (usd per MMBtu or Bbls)   (0.21)
Subsequent Event | NYMEX WTI    
Subsequent Event [Line Items]    
Daily Volume (MMBtu/day) | MMBTU 2,250  
Weighted average price of derivative swap (usd per MMBtu or Bbls) 53.07  
Subsequent Event | Mont Belvieu C3 Swap - 2021    
Subsequent Event [Line Items]    
Daily Volume (MMBtu/day) | MMBTU 3,100  
Weighted average price of derivative swap (usd per MMBtu or Bbls) 27.80  
Subsequent Event | Mont Belvieu C3 Swap - 2022    
Subsequent Event [Line Items]    
Daily Volume (MMBtu/day) | MMBTU 1,000  
Weighted average price of derivative swap (usd per MMBtu or Bbls) 27.30  
Subsequent Event | Tetco M2    
Subsequent Event [Line Items]    
Daily Volume (MMBtu/day) | MMBTU 36,443  
Weighted average price of derivative swap (usd per MMBtu or Bbls) (0.61)  
Subsequent Event | Rex Zone 3    
Subsequent Event [Line Items]    
Daily Volume (MMBtu/day) | MMBTU 94,505  
Weighted average price of derivative swap (usd per MMBtu or Bbls) (0.22)  
Subsequent Event | NYMEX Henry Hub - 2021    
Subsequent Event [Line Items]    
Daily Volume (MMBtu/day) | MMBTU 210,000  
Subsequent Event | NYMEX Henry Hub - 2021 | Minimum    
Subsequent Event [Line Items]    
Weighted average price of derivative swap (usd per MMBtu or Bbls) 2.67  
Subsequent Event | NYMEX Henry Hub - 2021 | Maximum    
Subsequent Event [Line Items]    
Weighted average price of derivative swap (usd per MMBtu or Bbls) 3.15  
Subsequent Event | NYMEX Henry Hub - 2022    
Subsequent Event [Line Items]    
Daily Volume (MMBtu/day) | MMBTU 340,000  
Subsequent Event | NYMEX Henry Hub - 2022 | Minimum    
Subsequent Event [Line Items]    
Weighted average price of derivative swap (usd per MMBtu or Bbls) 2.82  
Subsequent Event | NYMEX Henry Hub - 2022 | Maximum    
Subsequent Event [Line Items]    
Weighted average price of derivative swap (usd per MMBtu or Bbls) 3.40