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Revenue from Contracts with Customers - Narrative (Details)
T in Millions, $ in Millions
 9 Months Ended
Sep. 30, 2023
USD ($)
performance_obligation
T
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Number of performance obligations in handling and mixing services | performance_obligation 2
Cokemaking  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Unsatisfied performance obligations capacity (in tons) | T 22.7
Average remaining term 10 years
Logistics  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Average remaining term 3 years
Performance obligation amount | $ $ 28.3