Description of Business and Summary of Accounting Policies - Schedule of Property and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	$ 3,790,069	$ 2,881,800
Land [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	350,593	272,633
Structures [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	1,238,969	813,146
Revenue Equipment [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	1,810,389	1,470,913
Technology Equipment and Software [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	225,504	176,854
Other [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, at cost	$ 164,614	$ 148,254