Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVE INSTRUMENTS (Schedule of Derivative Instruments) (Details)

v3.21.2
DERIVATIVE INSTRUMENTS (Schedule of Derivative Instruments) (Details)
 6 Months Ended
Jun. 30, 2021
MMBTU
$ / MMBTU
$ / bbl
bbl
NYMEX Henry Hub - Remaining 2021  
Derivative [Line Items]  
Daily Volume 221,500
Weighted average price (in usd per MMBtu or Bbl) | $ / MMBTU 2.79
NYMEX Henry Hub - 2022  
Derivative [Line Items]  
Daily Volume 80,411
Weighted average price (in usd per MMBtu or Bbl) | $ / MMBTU 2.80
NYMEX Henry Hub - 2022 | Short | Call Option  
Derivative [Line Items]  
Daily Volume 152,675
Weighted average price (in usd per MMBtu or Bbl) | $ / MMBTU 2.90
NYMEX WTI - Remaining 2021  
Derivative [Line Items]  
Daily Volume | bbl 3,250
Weighted average price (in usd per MMBtu or Bbl) | $ / bbl 57.35
NYMEX WTI - 2022  
Derivative [Line Items]  
Daily Volume | bbl 1,000
Weighted average price (in usd per MMBtu or Bbl) | $ / bbl 67.00
Mont Belvieu C3 - Remaining 2021  
Derivative [Line Items]  
Daily Volume | bbl 3,100
Weighted average price (in usd per MMBtu or Bbl) | $ / bbl 27.80
Mont Belvieu C3 - 2022  
Derivative [Line Items]  
Daily Volume | bbl 496
Weighted average price (in usd per MMBtu or Bbl) | $ / bbl 27.30
NYMEX Henry Hub - 2023 | Short | Call Option  
Derivative [Line Items]  
Daily Volume 627,675
Weighted average price (in usd per MMBtu or Bbl) | $ / MMBTU 2.90
NYMEX Henry Hub - Remaining 2021 Index1  
Derivative [Line Items]  
Daily Volume 575,000
Weighted average floor price (in usd per MMBtu) | $ / MMBTU 2.58
Weighted average ceiling price (in usd per MMBtu) | $ / bbl 2.97
NYMEX Henry Hub Index 1  
Derivative [Line Items]  
Daily Volume 406,747
Weighted average floor price (in usd per MMBtu) | $ / MMBTU 2.58
Weighted average ceiling price (in usd per MMBtu) | $ / bbl 2.91
NYMEX WTI 2022 Index 1  
Derivative [Line Items]  
Daily Volume 1,500
Weighted average floor price (in usd per MMBtu) | $ / MMBTU 55.00
Weighted average ceiling price (in usd per MMBtu) | $ / bbl 60.00
Basis Swap, Rex Zone 3 - Remaining 2021  
Derivative [Line Items]  
Daily Volume 66,576
Weighted average price (in usd per MMBtu or Bbl) | $ / MMBTU (0.16)
Basis Swap, Rex Zone 3 - 2022  
Derivative [Line Items]  
Daily Volume 24,658
Weighted average price (in usd per MMBtu or Bbl) | $ / bbl (0.10)