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Intangible Assets - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Goodwill [Line Items]      
Total amortization expense of intangible assets $ 0.5 $ 0.5  
Operating Segments | Domestic Coke      
Goodwill [Line Items]      
Intangible assets, net $ 3.4   $ 3.4