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Basis of Presentation and General Information - Risk Concentration (Table) (Details) | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Charterer A |  |  |
Concentration of risk |  |  |
Major customer revenue percentage |  |  | 21.00%
Charterer B |  |  |
Concentration of risk |  |  |
Major customer revenue percentage |  |  | 17.00%
Charterer C |  |  |
Concentration of risk |  |  |
Major customer revenue percentage |  | 12.00% | 13.00%
Charterer D |  |  |
Concentration of risk |  |  |
Major customer revenue percentage |  | 13.00% | 10.00%
Charterer E |  |  |
Concentration of risk |  |  |
Major customer revenue percentage | 14.00% | 12.00% | 14.00%
Charterer F |  |  |
Concentration of risk |  |  |
Major customer revenue percentage | 15.00% | 19.00% | 12.00%
Charterer G |  |  |
Concentration of risk |  |  |
Major customer revenue percentage | 28.00% | 15.00% |
Charterer H |  |  |
Concentration of risk |  |  |
Major customer revenue percentage | 10.00% |  |

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- Details
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- Definition Percentage of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues. + References No definition available. + Details
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