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Note 11 - Equity Method Investment (Details Textual) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Proceeds from Sale of Property, Plant, and Equipment				$ 32,332	$ 76,954
Operating Lease, Liability	$ 44,588			44,588
Income (Loss) from Equity Method Investments	3,993		$ 5,335	11,763	$ 16,659
Transport Enterprise Leasing LLC [Member] | Equipment Operating Lease [Member]
Operating Lease, Liability	$ 10,700			$ 10,700
Transport Enterprise Leasing LLC [Member] | Revenue Equipment [Member]
Note Payable Assumed From Sale of Equipment		$ 26,200
Proceeds from Sale of Property, Plant, and Equipment		$ 500
Transport Enterprise Leasing LLC [Member]
Equity Method Investment, Ownership Percentage	49.00%			49.00%
Income (Loss) from Equity Method Investments				$ 11,800

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Amount of note payable assumed from sale of equipment.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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