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For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

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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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Note 11 - Equity Method Investment (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Proceeds from Sale of Property, Plant, and Equipment, Total			$ 51,479	$ 15,569
Reversal of Deferred Gains of Sale of Property			(2)	(7)
Income (Loss) from Equity Method Investments, Total	$ 530	$ 2,375	(205)	5,410
Transport Enterprise Leasing LLC [Member]
Proceeds from Sale of Property, Plant, and Equipment, Total			0	0
Revenue from Related Parties			4,400	4,600
Reversal of Deferred Gains of Sale of Property			$ 100
Equity Method Investment, Ownership Percentage	49.00%		49.00%
Due from Related Parties, Total	$ 1,200		$ 1,200		$ 1,300
Income (Loss) from Equity Method Investments, Total			200
Proceeds from Equity Method Investment, Distribution				$ 0
Equity Method Investments	31,700		31,700		$ 31,900
Transport Enterprise Leasing LLC [Member] \| Reduction in TEL Investment [Member]
Deferred Gain on Sale of Property	$ 200		$ 200