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Note 4(b) - Vessels, Net - Summary of Vessels (Details) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
Balance, Net Book Value | $ 213,716 |
— Transferred from advances for vessels under construction | 126,646 |
— Transferred to Vessels held for sale | (25,887) |
Depreciation | (3,339) | $ (7,172)
Balance, Net Book Value | 277,571 |
Vessels [Member] |  |
Balance, cost | 146,345 |
Balance, Accumulated Depreciation | (10,053) |
Balance, Net Book Value | 136,292 |
— Impairment | (6,644) |
— Impairment | 5,484 |
— Impairment | (1,160) |
Depreciation | (3,339) |
Balance, cost | 240,460 |
Balance, Accumulated Depreciation | (7,908) |
Balance, Net Book Value | $ 232,552 |

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- Definition The aggregate amount of write-downs for impairments recognized during the period for net long lived assets held for use (including those held for disposal by means other than sale). + References No definition available. + Details
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