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Vessels and Other Fixed Assets, Net (Details) (USD $) | 12 Months Ended | 52 Months Ended |  |  | 12 Months Ended | 36 Months Ended |  |  |  |  | 0 Months Ended | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended | 56 Months Ended |  |  | 12 Months Ended |  | 12 Months Ended |
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2011 Star Big (ex-Big Fish) | Nov. 30, 2015 Star Big (ex-Big Fish) | Dec. 31, 2013 Star Big (ex-Big Fish) | Jul. 25, 2011 Star Big (ex-Big Fish) | Dec. 31, 2011 Star Mega (ex-Megalodon) | Aug. 31, 2014 Star Mega (ex-Megalodon) | Dec. 31, 2013 Star Mega (ex-Megalodon) | Aug. 16, 2011 Star Mega (ex-Megalodon) | Dec. 31, 2011 Star Borealis and Star Polaris | Sep. 09, 2011 Star Borealis and Star Polaris | Jun. 28, 2013 Star Borealis | Dec. 31, 2011 Star Borealis | Dec. 31, 2013 Star Borealis | Dec. 31, 2011 Star Polaris | Dec. 31, 2013 Star Polaris | Dec. 31, 2013 Star Ypsilon | Dec. 31, 2012 Star Ypsilon | Dec. 31, 2011 Star Ypsilon | Mar. 09, 2012 Star Ypsilon | Dec. 31, 2013 Star Sigma | Dec. 31, 2012 Star Sigma | Dec. 31, 2011 Star Sigma | Oct. 29, 2013 Star Sigma | Apr. 10, 2013 Star Sigma | Jan. 04, 2012 Star Sigma | Dec. 31, 2013 Star Challenger | Nov. 05, 2013 Star Challenger | Dec. 31, 2013 Star Fighter | Nov. 05, 2013 Star Fighter
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate acquisition price |  |  |  |  |  |  | $ 27,800,000 |  |  |  | $ 23,700,000 |  | $ 106,880,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 28,760,000 |  | $ 28,760,000
Gross daily charter rate |  |  |  |  | 25,000 |  |  |  | 24,500 |  |  |  |  | 24,750 |  |  |  |  |  |  |  |  |  |  |  | 38,000 |  |  |  |  |  |
Delivery date |  |  |  | Jul. 25, 2011 |  |  |  | Aug. 16, 2011 |  |  |  |  |  |  | Sep. 09, 2011 |  | Nov. 14, 2011 |  |  | Mar. 09, 2012 |  |  | Apr. 10, 2013 |  |  |  |  |  | Dec. 12, 2013 |  | Dec. 30, 2013 |
Dry-docking expenses capitalized |  |  |  |  |  |  | 1,780,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other expenses capitalized |  |  |  |  |  |  | 41,000 |  |  |  | 160,000 | 1,901,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 299,000 |  | 293,000
Metric tons of fuel oil |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 667 |  |  |  |  |  | 1,027 |  |  |  |
Contracted sale price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,126,000 |  |  |  |  | 9,044,000 |  |  |  |  |
Vessel impairment loss | 0 | 303,219,000 | 62,020,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30,754,000 |  |  | 3,205,000 | 31,266,000 |  |  |  |  |  |  |
Address commission |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.00% |  |  | 3.00% |  |  |  |  |  |  |  |  |
Brokerage commission |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.00% |  |  | 1.00% |  |  |  |  |  | 1.00% |  | 1.00% |
Carrying amount of vessel |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11,152,000 |  |  | 8,354,000 |  |  |  |  |  |  |  |  |
Loss on sale of vessel | $ 87,000 | $ 3,190,000 | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,190,000 |  |  |  | $ 87,000 |  |  |  |  |  |  |  |  |
DWT |  |  |  |  |  | 168,404 |  |  |  | 170,631 |  |  |  |  |  | 179,678 |  | 179,600 | 150,940 |  |  |  | 184,403 |  |  |  |  |  | 61,462 |  | 61,455 |

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