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Derivatives (Tables)
12 Months Ended
Dec. 31, 2022
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Derivative Instruments The fair value of derivatives reflected in the accompanying Consolidated Balance Sheets are set forth in the table below.
December 31, 2022December 31, 2021
Asset DerivativesLiability DerivativesAsset DerivativesLiability Derivatives
Coal Swap Contracts$6,024 $(21,166)$1,086 $(53,290)
Effect of Counterparty Netting$(6,024)$6,024 $(1,086)$1,086 
Net Derivatives as Classified in the Consolidated Balance Sheets$— $(15,142)$— $(52,204)