Description of Business and Summary of Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Description of Business and Summary of Significant Accounting Policies [Line Items]
Depreciation and amortization	$ 210,105	$ 178,845	$ 157,203
Net Income (Loss)	362,065	354,857	357,422
Advertising costs	$ 5,000	2,900	7,200
Credit Concentration Risk [Member] | Accounts Receivable [Member] | No Single Customer [Member]
Description of Business and Summary of Significant Accounting Policies [Line Items]
Percentage of accounts receivable	5.00%
Property and Equipment [Member]
Description of Business and Summary of Significant Accounting Policies [Line Items]
Depreciation and amortization	$ 209,200	$ 177,900	$ 156,200
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	7,700
Net Income (Loss)	$ 5,800
Minimum [Member]
Description of Business and Summary of Significant Accounting Policies [Line Items]
Percentage of revenue derived from transporting	97.00%
Average transit time	1 day
Minimum [Member] | Restricted Stock [Member]
Description of Business and Summary of Significant Accounting Policies [Line Items]
Stock-based awards compensation expense amortization period	3 years
Minimum [Member] | Property and Equipment [Member]
Description of Business and Summary of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	14 years
Maximum [Member]
Description of Business and Summary of Significant Accounting Policies [Line Items]
Average transit time	5 days
Maximum [Member] | Restricted Stock [Member]
Description of Business and Summary of Significant Accounting Policies [Line Items]
Stock-based awards compensation expense amortization period	5 years
Maximum [Member] | Property and Equipment [Member]
Description of Business and Summary of Significant Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life	20 years