v3.26.1
Railway Operating Revenues - Narrative (Details) - USD ($)
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Disaggregation of Revenue [Line Items]      
Average transit days (or less) 7 days    
Revenue, payment terms (in days) 15 days    
Contract assets $ 0   $ 0
Contract liabilities $ 0   $ 0
Ancillary Services      
Disaggregation of Revenue [Line Items]      
Ancillary services percent of total railway operating revenues (as a percent) 6.00% 5.00%