Note 11 - Goodwill, Intangibles, and Other Assets (Details Textual) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	Dec. 31, 2025
Intangible Asset, Finite-Lived, Amortization Expense	$ 3,000	$ 2,700	$ 9,000	$ 7,800
Goodwill	81,066		81,066		$ 80,477
Other Receivable, after Allowance for Credit Loss, Noncurrent	3,575		3,575		16,531
Self Insurance Receivables [Member]
Other Receivable, after Allowance for Credit Loss, Noncurrent	2,000		2,000		$ 14,600
Trade Names [Member] \| Landair Holdings Inc [Member]
Acquired Finite-Lived Intangible Asset, Residual Value	$ 500		$ 500

Amount of amortization expense for finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed.

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+ Details

- Definition

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details