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Derivatives - Fair Value of Derivative Contracts (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Derivatives, Fair Value    
Derivative assets $ 4,429  
Derivative liabilities   $ 21
Natural Gas | Current assets - Derivative Contracts    
Derivatives, Fair Value    
Derivative assets $ 4,429  
Natural Gas | Current liabilities - Derivative Contracts    
Derivatives, Fair Value    
Derivative liabilities   $ 21