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Vessels and Other Fixed Assets, Net (Table) (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Cost |  |
Vessels and other fixed assets, net | $ 1,775,081 | $ 1,707,209
Vessels and other fixed assets |  |
Cost |  |
Vessels | 2,184,841 | 2,037,737
Other fixed assets | 2,015 | 1,898
Total cost | 2,186,856 | 2,039,635
Accumulated depreciation | $ (411,775) | $ (332,426)

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