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Advances for Vessels Acquisitions (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Vessels [Line Items] |  |
Vessel Gross | $ 481,086 | $ 772,981
Hull 1338 |  |
Vessels [Line Items] |  |
Vessel Capacity | 180,000 |
Delivery Date Of Vessel | October 2015 |
Hull 1339 |  |
Vessels [Line Items] |  |
Vessel Capacity | 180,000 |
Delivery Date Of Vessel | January 2016 |
Hull 1342 |  |
Vessels [Line Items] |  |
Vessel Capacity | 208,000 |
Delivery Date Of Vessel | January 2016 |
Hull 1343 |  |
Vessels [Line Items] |  |
Vessel Capacity | 208,000 |
Delivery Date Of Vessel | April 2016 |
Hull NE 196 |  |
Vessels [Line Items] |  |
Vessel Capacity | 61,000 |
Delivery Date Of Vessel | October 2015 |
Hull NE 197 |  |
Vessels [Line Items] |  |
Vessel Capacity | 61,000 |
Delivery Date Of Vessel | November 2015 |
Hull NE 198 |  |
Vessels [Line Items] |  |
Vessel Capacity | 209,000 |
Delivery Date Of Vessel | March 2016 |
Hull 5040 |  |
Vessels [Line Items] |  |
Vessel Capacity | 60,000 |
Delivery Date Of Vessel | June 2015 |
Hull 5043 |  |
Vessels [Line Items] |  |
Vessel Capacity | 60,000 |
Delivery Date Of Vessel | September 2015 |
Hull 5040 and Hull 5043 |  |
Vessels [Line Items] |  |
Contracted price | 57,500 |
Nine Newbuilding Vessels |  |
Vessels [Line Items] |  |
Vessel Gross | $ 367,400 |

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X
- Definition Gross amount of vessel acquired. + References No definition available. + Details
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- Definition The value of all consideration given or received by the Entity in the significant acquisition or disposal. + References No definition available. + Details
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