Property and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property and Equipment, gross	$ 1,149,444	$ 1,124,628
Less: Accumulated depreciation	(467,993)	(453,527)
Property and Equipment, net	681,451	671,101
Land [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, gross	24,724	24,708
Building And Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, gross	36,617	36,649
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, gross	7,955	7,686
Computer Equipment and Software [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, gross	156,169	145,139
Furniture And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, gross	14,775	14,732
Transportation Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, gross	863,956	862,247
Construction In Progress [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, gross	$ 45,248	$ 33,467

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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