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Acquisitions - Schedule of Components of Other Intangibles Acquired (Detail) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Other Intangible Assets [Line Items]    
Finite-lived intangible assets, Gross Amount $ 415,379 $ 280,923
Finite-lived intangible assets, Accumulated Amortization 110,772 83,537
Finite-lived intangible assets, Net Carrying Value 304,607 197,386
Customer Relationships [Member]    
Other Intangible Assets [Line Items]    
Finite-lived intangible assets, Gross Amount 376,956 249,223
Finite-lived intangible assets, Accumulated Amortization 92,827 72,157
Finite-lived intangible assets, Net Carrying Value 284,129 177,066
Developed Technology [Member]    
Other Intangible Assets [Line Items]    
Finite-lived intangible assets, Gross Amount 17,223 10,500
Finite-lived intangible assets, Accumulated Amortization 3,247 1,449
Finite-lived intangible assets, Net Carrying Value 13,976 $ 9,051
Forward Air Final Mile Acquisition [Member] | Customer Relationships [Member]    
Other Intangible Assets [Line Items]    
Finite-lived intangible assets, Gross Amount 127,733  
Finite-lived intangible assets, Accumulated Amortization 355  
Finite-lived intangible assets, Net Carrying Value $ 127,378  
Intangible assets estimated useful life 15 years  
Forward Air Final Mile Acquisition [Member] | Developed Technology [Member]    
Other Intangible Assets [Line Items]    
Finite-lived intangible assets, Gross Amount $ 6,723  
Finite-lived intangible assets, Accumulated Amortization 70  
Finite-lived intangible assets, Net Carrying Value $ 6,653  
Intangible assets estimated useful life 4 years