Introduction and Basis of Presentation (Details)	3 Months Ended
	Mar. 31, 2024 Vehicle Segment
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of operational tractors in fleet	23,314
Number of company tractors	21,120
Number of independent contractor tractors	2,194
Number of trailers	94,410
Number of LTL tractors	3,357
Number of LTL trailers	8,699
Number of intermodal tractors	609
Number of intermodal containers	12,582
Number of reportable segments | Segment	4