Acquisition - Components of Other Intangible Acquired (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2022 USD ($)
TAGG Logistics Acquisition [Member] | Customer Relationships [Member]
Other Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Amount	$ 22,600
Finite-lived intangible assets, Accumulated Amortization	249
Finite-lived intangible assets, Net Carrying Value	$ 22,351
Intangible assets estimated useful life	10 years
TAGG Logistics Acquisition [Member] | Developed Technology [Member]
Other Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Amount	$ 4,000
Finite-lived intangible assets, Accumulated Amortization	88
Finite-lived intangible assets, Net Carrying Value	$ 3,912
Intangible assets estimated useful life	5 years
TAGG Logistics Acquisition [Member] | Trade Name [Member]
Other Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Amount	$ 700
Finite-lived intangible assets, Accumulated Amortization	52
Finite-lived intangible assets, Net Carrying Value	$ 648
Intangible assets estimated useful life	18 months
Choptank Transport, LLC Member | Customer Relationships [Member]
Other Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Amount	$ 36,300
Finite-lived intangible assets, Accumulated Amortization	2,420
Finite-lived intangible assets, Net Carrying Value	$ 33,880
Intangible assets estimated useful life	15 years
Choptank Transport, LLC Member | Carrier Network [Member]
Other Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Amount	$ 14,400
Finite-lived intangible assets, Accumulated Amortization	3,600
Finite-lived intangible assets, Net Carrying Value	$ 10,800
Intangible assets estimated useful life	4 years
Choptank Transport, LLC Member | Developed Technology [Member]
Other Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Amount	$ 6,500
Finite-lived intangible assets, Accumulated Amortization	929
Finite-lived intangible assets, Net Carrying Value	$ 5,571
Intangible assets estimated useful life	7 years
Choptank Transport, LLC Member | Trade Name [Member]
Other Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Amount	$ 3,300
Finite-lived intangible assets, Accumulated Amortization	2,200
Finite-lived intangible assets, Net Carrying Value	$ 1,100
Intangible assets estimated useful life	18 months