v3.25.2
Intangible Assets - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Goodwill [Line Items]          
Total amortization expense of intangible assets $ 0.4 $ 0.5 $ 0.7 $ 1.0  
Operating Segments | Domestic Coke          
Goodwill [Line Items]          
Intangible assets, net $ 3.4   $ 3.4   $ 3.4