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Derivatives - Nonmonetary Notional Amounts (Details) - Natural Gas Price Swaps: January 2023 - March 2023
MMBTU in Thousands
12 Months Ended
Dec. 31, 2022
MMBTU
$ / Unit
Derivative [Line Items]  
Notional (MMBtu) | MMBTU 1,044
Weighted average fixed price per unit (in dollars per unit) | $ / Unit 8.39