Description of Business and Summary of Accounting Policies - Additional Information (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) Segment	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Description of Business and Summary of Significant Accounting Policies [Line Items]
Number of operating segments | Segment	1
Change in accounting principle, accounting standards update, adoption date		Jan. 01, 2021
Change in accounting principle, accounting standards update, adopted	true		true
Change in accounting principle, accounting standards update, immaterial effect		true	true
Depreciation and amortization	$ 157,203	$ 141,700	$ 134,655
Advertising costs	$ 7,200	5,700	4,600
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	$ 156,200	140,500	$ 133,500
Trailers [Member]
Description of Business and Summary of Significant Accounting Policies [Line Items]
Assets acquired under finance lease, gross	137,900	137,900
Assets acquired under finance lease, accumulated depreciation	$ 58,700	$ 49,400
Minimum [Member]
Description of Business and Summary of Significant Accounting Policies [Line Items]
Percentage of revenue derived from transporting	96.00%
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
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