Note 11 - Equity Method Investment (Details Textual) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Income (Loss) from Equity Method Investments	$ 5,943	$ 6,785
Transport Enterprise Leasing LLC [Member]
Equity Method Investment, Ownership Percentage	49.00%
Income (Loss) from Equity Method Investments	$ 5,900

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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