Description of Business and Summary of Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2023

Accounting Policies [Abstract]

Summary of Property and Equipment, Estimated Useful Lives

Depreciation is computed using the straight-line method, except for tractors (included in revenue equipment) for which the declining-balance method is used. The following service lives are used to compute depreciation:

	Years
Structures	20 to 25
Revenue equipment	6 to 14
Technology equipment and software	3 to 5
Other	3 to 10

Schedule of Property and Equipment

At December 31, property and equipment consisted of the following (in thousands):

	2023		2022
Land	$	272,633	$	191,057
Structures		813,146		638,180
Revenue equipment		1,470,913		1,340,761
Technology equipment and software		176,854		187,333
Other		148,254		121,493
Total property and equipment, at cost	$	2,881,800	$	2,478,824