XML 31 R21.htm IDEA: XBRL DOCUMENT v3.23.3
Segment Reporting - Summarize our Financial and Operating Data by Segment (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Segment Reporting Information [Line Items]        
Operating revenue $ 1,024,835 $ 1,355,407 $ 3,217,562 $ 4,054,987
Operating income 42,555 117,738 182,829 370,434
Depreciation and amortization 36,065 33,542 106,899 97,075
Intermodal [Member]        
Segment Reporting Information [Line Items]        
Operating revenue 595,308 856,001 1,919,189 2,507,722
Operating income 13,484 86,772 94,639 273,069
Depreciation and amortization 27,493 26,020 81,751 75,778
Logistics [Member]        
Segment Reporting Information [Line Items]        
Operating revenue 460,309 525,178 1,382,999 1,614,775
Operating income 29,071 30,966 88,190 97,365
Depreciation and amortization 8,572 7,522 25,148 21,297
Inter-segment [Member]        
Segment Reporting Information [Line Items]        
Operating revenue $ (30,782) $ (25,772) $ (84,626) $ (67,510)