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Note 11 - Equity Method Investment (Details Textual) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Proceeds from Sale of Property, Plant, and Equipment, Total | $ 13,871 | $ 18,497 |
Payments to Acquire Property, Plant, and Equipment, Total | 3,907 | 35,240 |
Reversal of Deferred Gains of Sale of Property | 45 | (2) |
Income (Loss) from Equity Method Investments, Total | $ 2,960 | (735) |
Transport Enterprise Leasing LLC [Member] |  |  |
Equity Method Investment, Ownership Percentage | 49.00% |  |
Option to Acquire Interest in Equity Method Investment, Percentage of Ownership | 51.00% |  |
Proceeds from Sale of Property, Plant, and Equipment, Total | $ 800 | 0 |
Revenue from Related Parties | 300 | 2,300 |
Payments to Acquire Property, Plant, and Equipment, Total | 0 | 0 |
Payments for Rent | 100 | 100 |
Deferred Gain on Sale of Property | 100 |  |
Reversal of Deferred Gains of Sale of Property |  | 100 |
Due from Related Parties, Total | 1,000 |  | $ 700
Income (Loss) from Equity Method Investments, Total | 3,000 |  |
Proceeds from Equity Method Investment, Distribution | 0 | 0 |
Transport Enterprise Leasing LLC [Member] | Reduction in TEL Investment [Member] |  |  |
Deferred Gain on Sale of Property | $ 300 | $ 200 |

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