Note 6 - Goodwill, Other Intangibles, and Other Assets - Schedule of Goodwill (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Goodwill	$ 42,518	$ 42,518
Dedicated [Member]
Goodwill	15,320	15,320
Managed Freight [Member]
Goodwill	5,448	5,448
Warehousing [Member]
Goodwill	$ 21,750	$ 21,750

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
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