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Long-term Debt - Amendment Terms (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended | 0 Months Ended | 12 Months Ended | 24 Months Ended | 0 Months Ended | 24 Months Ended | 0 Months Ended | 24 Months Ended |
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Dec. 31, 2013 | Dec. 31, 2012 Commerzbank AG Aggregate Facility | Dec. 31, 2014 Commerzbank AG Aggregate Facility | Dec. 31, 2013 Commerzbank AG Aggregate Facility | Dec. 31, 2014 Commerzbank AG Aggregate Facility | Dec. 31, 2012 HSH Nordbank AG | Dec. 31, 2014 HSH Nordbank AG | Dec. 31, 2012 HSH Nordbank AG Supramax Tranche - Balloon payment | Dec. 31, 2012 HSH Nordbank AG Supramax Tranche - Installments | Dec. 31, 2014 HSH Nordbank AG - Capesize tranche | Dec. 31, 2014 HSH Nordbank AG - Supramax tranche | Dec. 31, 2012 HSH Nordbank AG - Supramax tranche
Long term debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Deferred installment |  |  | 50% of the installments | 60% of the installments |  |  | minimum of aproximately $3.5 millions |  |  |  |  |
Loan margin before the amendment |  |  |  |  |  |  |  | 3.00% |  |  |  | 2.75%
Loan margin under the amendment |  | 3.00% |  |  |  |  |  |  |  | 3.50% | 3.50% |
Loan prepayment |  | $ 2,000 |  |  |  | $ 6,600 |  | $ 3,500 | $ 3,100 |  |  |
Processing fee |  |  |  |  |  |  | 12 |  |  |  |  |
Processing fee percentage on outstanding loan amount |  |  |  |  | 0.40% |  |  |  |  |  |  |
Equity Raising Undertaking | $ 30,000 |  |  |  |  |  |  |  |  |  |  |

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- Definition The cost incurred in the modification of term of existing debt agreement in order for the entity to achieve some advantage, as a percentage of the (combined) outstanding loan amount. + References No definition available. + Details
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- Definition The new equity amount undertaken to be raised by the Company under the loan amendment by the date specified. + References No definition available. + Details
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- Definition The percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition The cash outflow for cost incurred in the modification of term of existing debt agreement in order for the entity to achieve some advantage. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18, 19, 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585 + Details
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