Note 11 - Equity Method Investment (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Proceeds from Sale of Property, Plant, and Equipment, Total	$ 53,002	$ 44,134
Payments to Acquire Property, Plant, and Equipment, Total	100,468	35,285
Reversal of Deferred Gains of Sale of Property	(39)	52
Income (Loss) from Equity Method Investments	$ 25,193	$ 14,782
Transport Enterprise Leasing LLC [Member]
Equity Method Investment, Ownership Percentage	49.00%	49.00%
Proceeds from Sale of Property, Plant, and Equipment, Total	$ 0	$ 300
Revenue from Related Parties	800	900
Payments to Acquire Property, Plant, and Equipment, Total	0
Payments for Rent	6,100	800
Reversal of Deferred Gains of Sale of Property	100
Deferred Gain on Sale of Property		100
Income (Loss) from Equity Method Investments	25,200	14,800
Proceeds from Equity Method Investment, Distribution	14,700	$ 4,900
Equity Method Investment, Aggregate Cost	4,900
Transport Enterprise Leasing LLC [Member] \| Reduction in TEL Investment [Member]
Deferred Gain on Sale of Property	$ 200

Amounts reversed from the deferred gains on sale of property.

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This element represents the aggregate cost of investments accounted for under the equity method of accounting.

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Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.

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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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