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Long term Debt - Information Per Loan (Details) (USD $) In Thousands, unless otherwise specified | 72 Months Ended |  |  | 40 Months Ended |  |  | 35 Months Ended |  |  | 29 Months Ended |  |  |  |  |  | 27 Months Ended |  | 27 Months Ended |  | 0 Months Ended |
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Dec. 31, 2013 Commerzbank $120,000 facility | Dec. 31, 2012 Commerzbank $120,000 facility | Dec. 27, 2007 Commerzbank $120,000 facility | Dec. 31, 2013 Commerzbank $26,000 facility | Dec. 31, 2012 Commerzbank $26,000 facility | Sep. 03, 2010 Commerzbank $26,000 facility | Dec. 31, 2013 Credit Agricole Corporate and Investment Bank $70,000 facility | Dec. 31, 2012 Credit Agricole Corporate and Investment Bank $70,000 facility | Jan. 20, 2011 Credit Agricole Corporate and Investment Bank $70,000 facility | Dec. 31, 2013 ABN Amro Bank N.V. $31,000 facility | Dec. 31, 2012 ABN Amro Bank N.V. $31,000 facility | Jul. 21, 2011 ABN Amro Bank N.V. $31,000 facility | Dec. 31, 2013 HSH Nordbank AG $64,500 facility | Dec. 31, 2012 HSH Nordbank AG $64,500 facility | Oct. 03, 2011 HSH Nordbank AG $64,500 facility | Dec. 31, 2013 HSH Nordbank AG $64,500 facility - Supramax tranche | Oct. 03, 2011 HSH Nordbank AG $64,500 facility - Supramax tranche | Dec. 31, 2013 HSH Nordbank AG $64,500 facility - Capesize tranche | Oct. 03, 2011 HSH Nordbank AG $64,500 facility - Capesize tranche | Dec. 31, 2013 HSH Nordbank AG $35,000 facility | Dec. 24, 2013 HSH Nordbank AG $35,000 facility
Long term debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  | $ 120,000 |  |  | $ 26,000 |  |  | $ 70,000 |  |  | $ 31,000 |  |  | $ 64,500 |  | $ 48,500 |  | $ 16,000 |  | $ 35,000
Vessels provided as security | Star Gamma, Star Delta, Star Epsilon, Star Zeta and Star Theta |  |  | Star Aurora |  |  | Star Borealis and Star Polaris |  |  | Star Big and Star Mega |  |  |  |  |  |  |  |  |  | Star Challenger and Star Fighter |
Loan reference interest rate | LIBOR |  |  | LIBOR |  |  | LIBOR |  |  | LIBOR |  |  |  |  |  | LIBOR or cost of funds (whichever is greater) |  | LIBOR or cost of funds (whichever is greater) |  | LIBOR |
Loan interest rate margin |  |  | 0.8% to 1.25% |  |  | 2,6% |  |  | 2,7% |  |  | 2,9% |  |  |  |  | 2,75% |  | 3% |  | 3,25%
Outstanding borrowings | 66,986 | 71,386 |  | 15,544 | 17,064 |  | 58,909 | 62,849 |  | 18,400 | 24,000 |  | 30,496 | 48,815 |  |  |  |  |  | 35,000 |
Debt instrument amount drawn down |  |  |  |  |  |  |  |  | $ 67,275 |  |  |  |  |  |  |  |  |  |  | $ 0 |

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- Definition Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
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- Definition Discussion of whether the debt instrument is secured or unsecured, and, if secured, a description of the collateral and guarantees required or provided. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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