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Derivative Instruments (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Sep. 30, 2022
USD ($)
MWh
Sep. 30, 2021
USD ($)
Dec. 31, 2021
USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative Instruments $ 5,400,000   $ 5,400,000    
Current derivative asset 5,500,000   5,500,000   $ 6,200,000
Noncurrent derivative liability 100,000   $ 100,000    
Swap          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Notional amount of outstanding swap agreements | MWh     156,800    
Settlement of derivative contract $ 0 $ 0 $ 2,800,000 $ 0