Note 14 - Goodwill and Other Assets - Schedule of Goodwill (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($)
Balance, Goodwill	$ 75,747
Balance, Goodwill	80,303
Expedited [Member]
Balance, Goodwill	15,699
Post-acquisition goodwill adjustments	0
Balance, Goodwill	15,699
Dedicated [Member]
Balance, Goodwill	27,767
Post-acquisition goodwill adjustments	4,556
Balance, Goodwill	32,323
Managed Freight [Member]
Balance, Goodwill	10,531
Post-acquisition goodwill adjustments	0
Balance, Goodwill	10,531
Warehousing [Member]
Balance, Goodwill	21,750
Post-acquisition goodwill adjustments	0
Balance, Goodwill	$ 21,750