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Advances for Vessels Under Construction and Vessels, net (Schedule of Vessels, Net in the Accompanying Consolidated Balance Sheets) (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023
Vessel Cost |  |
Beginning balance | $ 1,114,247 |
Additions for vessel acquisitions and improvements | 118 |
Additions for vessel improvements | 25,008 |
Vessel disposals | (20,993) |
Vessel held for sale | (25,008) |
Ending balance | 1,068,364 |
Accumulated Depreciation |  |
Beginning balance | (214,055) |
Vessel disposals | 10,266 |
Vessel held for sale | 6,583 |
Depreciation for the period | (19,260) |
Ending balance | (216,466) |
Net Book Value |  |
Beginning balance | 900,192 |
Additions for vessel acquisitions and improvements | 118 |
Additions for vessel improvements | 25,008 |
Vessel disposal | (10,727) |
Vessel held for sale | (18,425) | $ 0
Depreciation for the period | (19,260) |
Ending balance | $ 851,898 |

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