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Advances for vessels under construction and acquisition of vessels (Table) (Details) - USD ($) $ in Thousands | Jun. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Vessels [Line Items] |  |
Total | $ 337,671 | $ 454,612
Advances for vessels under construction and acquisition of vessels |  |
Vessels [Line Items] |  |
Pre-delivery yard installments | 206,997 | 270,947
Fair value adjustment (Notes 1) | 86,400 | 137,923
Bareboat capital leases - upfront hire & handling fees | 44,551 | 31,467
Capitalized interest and finance costs | 14,636 | 10,654
Other capitalized costs (Note 3) | 4,554 | 3,542
Advances for secondhand vessels | 0 | 79
Impairment charge | (19,467) | 0
Total | $ 337,671 | $ 454,612

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