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Note 15 - Asset Dispositions, Assets Held for Sale and Asset Impairments (Details Textual) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 USD ($) | Mar. 31, 2022 USD ($) | Sep. 30, 2021 USD ($) | Jun. 30, 2021 USD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($) | Dec. 31, 2021
Number of Vessels, Held for Sale, Addition |  |  |  |  | 1 | 2 |
Number Of Vessels Sold Or Scrapped | 10 |  |  |  | 10 |  |
Number of Vessels, Held for Sale, Reactivation |  |  |  |  | 1 |  |
Number of Vessels, Held for Sale | 8 |  |  |  | 8 |  | 18
Asset Held For Sale, Net Book Value |  |  |  |  | $ 6,800 |  |
Number of Active Vessels Sold |  |  |  |  | 0 | 10 |
Proceeds from Sale of Vessels |  |  |  |  | $ 8,500 | $ 34,000 |
Gain (Loss) on Sale of Assets and Asset Impairment Charges |  |  |  |  | (800) | $ (3,000) |
Number of Vessels, Held for Sale, Sold |  |  |  |  |  | 9 |
Proceeds from Sale of Productive Assets, Total |  |  |  |  | 8,475 | $ 33,956 |
Impairment Charge Recaptured |  | $ 500 |  |  |  | 1,700 |
Impairment of Long-Lived Assets to be Disposed of | $ 0 |  | $ (1,912) |  | (0) | 1,912 |
Asset Impairment Charges, Total | 1,214 |  | 2,167 |  | 714 | 2,167 |
Vessel, Obsolete Inventory [Member] |  |  |  |  |  |  |
Asset Impairment Charges, Total | $ 1,200 |  | $ 1,900 |  | $ 1,200 | $ 1,900 |
Third-party Operator, Family Member of Director [Member] |  |  |  |  |  |  |
Gain (Loss) on Sale of Assets and Asset Impairment Charges |  |  |  | $ 4,300 |  |  |
Proceeds from Sale of Productive Assets, Total |  |  |  | $ 11,400 |  |  |

X
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- Definition Amount of impairment charge recaptured during period. + References No definition available. + Details
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