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Business Segment Data - Narrative (Details) - segment
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Segment Reporting Information [Line Items]        
Number of operating segments   2    
Number of reportable segments   2    
Single customer | Customer concentration risk | Operating revenue        
Segment Reporting Information [Line Items]        
Concentration risk (as a percentage) 14.60%   18.40%  
Single customer | Customer concentration risk | Trade receivables        
Segment Reporting Information [Line Items]        
Concentration risk (as a percentage)       14.10%