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v3.21.2

SUBSEQUENT EVENTS (Details) | 1 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 31, 2021 MMBTU $ / MMBTU | Jun. 30, 2021 MMBTU
NYMEX Henry Hub Index 1 |  |
Subsequent Event [Line Items] |  |
Daily volume (in MMBtu) |  | 406,747
NYMEX Henry Hub Index 1 | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Daily volume (in MMBtu) | 80,073 |
Weighted average price (in usd per MMBtu or Bbl) | $ / MMBTU | 2.99 |
NYMEX Henry Hub Index 2 | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Daily volume (in MMBtu) | 20,000 |
Weighted average price (in usd per MMBtu or Bbl) | $ / MMBTU | 3.13 |
NYMEX WTI | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Daily volume (in MMBtu) | 1,104 |
Weighted average price (in usd per MMBtu or Bbl) | $ / MMBTU | 65.54 |

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