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v3.21.2

Vessels, textual (Details) $ in Thousands |  | 6 Months Ended |
--- | --- | --- | ---
Mar. 16, 2021 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Dec. 31, 2020 USD ($) item
Property, Plant and Equipment [Line Items] |  |  |  |
Proceeds from Sale of Property, Plant, and Equipment |  | $ 23,158 | $ 8,238 |
Loss from sale of vessels |  | 203 | $ 1,078 |
Vessel's net book value |  | 9,010 |  | $ 23,361
Acquisitions, improvements and other vessel costs |  | 684 |  |
Coronis, Sideris, Oceanis Vessels [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Number Of Vessels To Be Disposed | item |  |  |  | 3
Coronis [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Proceeds from Sale of Property, Plant, and Equipment |  | 7,100 |  |
Sideris G.S. [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Proceeds from Sale of Property, Plant, and Equipment |  | 11,500 |  |
Oceanis [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Proceeds from Sale of Property, Plant, and Equipment |  | 5,750 |  |
Naias [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Proceeds from Sale of Property, Plant, and Equipment | $ 11,250 |  |  |
Vessel's net book value | $ 9,010 |  |  |
Equipment And Services [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Acquisitions, improvements and other vessel costs |  | $ 1,125 |  |
Expenditures for equipment and services, paid and capitalized |  |  |  | $ 441

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