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Derivatives - Nonmonetary Notional Amounts (Details)
gal in Thousands, MMBTU in Thousands
9 Months Ended
Sep. 30, 2021
MMBTU
$ / Unit
gal
NGL Price Swaps October 2021 to February 2022  
Derivative [Line Items]  
Notional | gal 2,605
Weighted average fixed price per unit (in dollars per unit) 1.20
Natural Gas Price Swaps October 2021 to February 2022  
Derivative [Line Items]  
Weighted average fixed price per unit (in dollars per unit) 4.07
Notional (MMBtu) | MMBTU 1,800