Note 11 - Goodwill and Other Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Finite-Lived Intangible Assets, Gross	$ 149,812	$ 149,812
Finite-Lived Intangible Assets, Accumulated Amortization	(50,204)	(44,203)
Finite-Lived Intangible Assets, Net	$ 99,608	$ 105,609
Finite-Lived Intangible Asset, Useful Life (Month)	127 months	128 months
Trade Names [Member]
Finite-Lived Intangible Assets, Gross	$ 6,590	$ 6,590
Finite-Lived Intangible Assets, Accumulated Amortization	(4,616)	(4,501)
Finite-Lived Intangible Assets, Net	$ 1,974	$ 2,089
Finite-Lived Intangible Asset, Useful Life (Month)	81 months	86 months
Trade Names [Member] \| Dedicated [Member]
Finite-Lived Intangible Assets, Gross	$ 4,502	$ 4,502
Finite-Lived Intangible Assets, Accumulated Amortization	(2,795)	(2,689)
Finite-Lived Intangible Assets, Net	1,707	1,813
Trade Names [Member] \| Managed Freight [Member]
Finite-Lived Intangible Assets, Gross	1,089	1,089
Finite-Lived Intangible Assets, Accumulated Amortization	(936)	(927)
Finite-Lived Intangible Assets, Net	153	162
Trade Names [Member] \| Warehousing [Member]
Finite-Lived Intangible Assets, Gross	999	999
Finite-Lived Intangible Assets, Accumulated Amortization	(885)	(885)
Finite-Lived Intangible Assets, Net	114	114
Noncompete Agreements [Member]
Finite-Lived Intangible Assets, Gross	5,300	5,300
Finite-Lived Intangible Assets, Accumulated Amortization	(4,013)	(3,351)
Finite-Lived Intangible Assets, Net	$ 1,287	$ 1,949
Finite-Lived Intangible Asset, Useful Life (Month)	15 months	15 months
Noncompete Agreements [Member] \| Dedicated [Member]
Finite-Lived Intangible Assets, Gross	$ 4,670	$ 4,670
Finite-Lived Intangible Assets, Accumulated Amortization	(3,697)	(3,113)
Finite-Lived Intangible Assets, Net	973	1,557
Noncompete Agreements [Member] \| Managed Freight [Member]
Finite-Lived Intangible Assets, Gross	630	630
Finite-Lived Intangible Assets, Accumulated Amortization	(316)	(238)
Finite-Lived Intangible Assets, Net	314	392
Noncompete Agreements [Member] \| Warehousing [Member]
Finite-Lived Intangible Assets, Gross		12,436
Finite-Lived Intangible Assets, Accumulated Amortization		(7,772)
Finite-Lived Intangible Assets, Net		4,664
Customer Relationships [Member]
Finite-Lived Intangible Assets, Gross	105,922	105,922
Finite-Lived Intangible Assets, Accumulated Amortization	(32,153)	(27,995)
Finite-Lived Intangible Assets, Net	$ 73,769	$ 77,927
Finite-Lived Intangible Asset, Useful Life (Month)	130 months	131 months
Customer Relationships [Member] \| Dedicated [Member]
Finite-Lived Intangible Assets, Gross	$ 71,374	$ 71,374
Finite-Lived Intangible Assets, Accumulated Amortization	(19,462)	(16,959)
Finite-Lived Intangible Assets, Net	51,912	54,415
Customer Relationships [Member] \| Managed Freight [Member]
Finite-Lived Intangible Assets, Gross	22,112	22,112
Finite-Lived Intangible Assets, Accumulated Amortization	(4,400)	(3,264)
Finite-Lived Intangible Assets, Net	17,712	18,848
Customer Relationships [Member] \| Warehousing [Member]
Finite-Lived Intangible Assets, Gross	12,436
Finite-Lived Intangible Assets, Accumulated Amortization	(8,291)
Finite-Lived Intangible Assets, Net	4,145
Credentialing [Member]
Finite-Lived Intangible Assets, Gross	32,000	32,000
Finite-Lived Intangible Assets, Accumulated Amortization	(9,422)	(8,356)
Finite-Lived Intangible Assets, Net	$ 22,578	23,644
Finite-Lived Intangible Asset, Useful Life (Month)	127 months
Credentialing [Member] \| Expedited [Member]
Finite-Lived Intangible Assets, Gross	$ 32,000	32,000
Finite-Lived Intangible Assets, Accumulated Amortization	(9,422)	(8,356)
Finite-Lived Intangible Assets, Net	$ 22,578	$ 23,644

Useful life of finite-lived intangible asset, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed.

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