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Subsequent Events (Details) | 12 Months Ended | 0 Months Ended | 1 Months Ended | 28 Months Ended | 0 Months Ended | 1 Months Ended | 28 Months Ended |  |  |  |  |  |  |  |  |  | 0 Months Ended
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Dec. 31, 2013 USD ($) | Dec. 31, 2012 USD ($) | Dec. 31, 2011 | Feb. 13, 2014 Star Vega | Jan. 24, 2014 Star Vega | Jun. 30, 2016 Star Vega USD ($) | Mar. 07, 2014 Star Sirius | Jan. 24, 2014 Star Sirius | Jun. 30, 2016 Star Sirius USD ($) | Mar. 18, 2014 Star Sirius and Star Vega USD ($) | Mar. 07, 2014 Star Sirius and Star Vega USD ($) | Jan. 27, 2014 Star Sirius and Star Vega USD ($) | Feb. 13, 2014 Madredeus USD ($) | Feb. 21, 2014 Amami USD ($) | Mar. 20, 2014 Pendulum USD ($) | Feb. 10, 2014 HSH Nordbank AG $35,000 facility USD ($) | Feb. 28, 2014 Mercurial Virgo USD ($) | Feb. 17, 2014 Hull no. 1372 USD ($) | Feb. 17, 2014 Hull no. 1371 USD ($) | Feb. 17, 2014 Upfront hire fees related to the acquisition of Hull no. 1371 and Hull no. 1372 USD ($) | Feb. 17, 2014 Handling fees related to the acquisition of Hull no. 1371 and Hull no. 1372 USD ($) | Feb. 20, 2014 Equity Incentive Plan 2014 USD ($) | Feb. 20, 2014 First Installment CEO | Mar. 31, 2014 Interchart USD ($) | Feb. 25, 2014 Interchart USD ($) | Feb. 25, 2014 Interchart EUR (€)
Subequent Events [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
DWT |  |  |  |  | 98,000 |  |  | 98,000 |  |  |  |  |  |  |  |  |  | 208,000 | 208,000 |  |  |  |  |  |  |
Aggregate acquisition price |  |  |  |  |  |  |  |  |  |  | $ 60,000,000 |  |  |  |  |  |  | $ 59,000,000 | $ 56,500,000 |  |  |  |  |  |  |
Gross Daily Charter Rate |  |  |  |  |  | 15,000 |  |  | 15,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Address Commission Percentage |  |  |  | 1.25% |  |  | 1.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery Date |  |  |  |  | Feb. 13, 2014 |  |  | Mar. 07, 2014 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  |  |  |  |  |  |  |  |  |  | 39,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Daily fixed management fee | 750 |  |  |  |  |  |  |  |  |  |  |  | 750 | 750 | 750 |  | 750 |  |  |  |  |  |  |  |  |
Debt Instrument Amount Drawn Down |  |  |  |  |  |  |  |  |  | 39,000,000 |  |  |  |  |  | 35,000,000 |  |  |  |  |  |  |  |  |  |
Monthly management fee |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | between $362 to $411 plus LIBOR | between $362 to $411 plus LIBOR |  |  |  |  |  |  |
Shares reserved for issuance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 430,000 |  |  |  |
Granted | 279,333 | 90,667 | 49,867 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 402,167 |  |  |  |
Share Price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10.86 |  |  |  |
Number of shares issued in period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,333 |  |  |
Payment to acquire business |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 400,000 |
Percentage of ownership in Interchart acquired |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 33.00% | 33.00%
Accounts payable | 6,638,000 | 8,264,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 23,100,000 | 924,000 |  |  |  |  |
Due to related parties | 559,000 | 262,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 200,000 |  |
Stock consideration for acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 22,598 |  |
Annual lump sum fee |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 690,000 | € 500,000
Exchange rate EUR/USD | 1.38 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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