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Derivative Instruments (Details)
 3 Months Ended 9 Months Ended
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
MWh
Sep. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Current derivative liability $ 1,500,000   $ 1,500,000   $ 7,100,000
Other Current Liabilities          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative liability 1,200,000   1,200,000    
Other Noncurrent Liabilities          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative liability 300,000   $ 300,000    
Swap          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Notional amount of outstanding swap agreements | MWh     195,400    
Gain (loss) on derivatives, net $ 0 $ 0 $ (16,000,000) $ 2,800,000