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Note 14 - Goodwill and Other Assets (Details Textual) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Amortization of Intangible Assets $ 2,900 $ 2,100  
Goodwill 68,946   $ 58,217
Trade Names [Member] | Landair Holdings Inc [Member]      
Acquired Finite-lived Intangible Asset, Residual Value $ 500