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GENERAL INFORMATION (Details 2) (USD $) In Thousands, except Share data, unless otherwise specified | 9 Months Ended |  |  |  | 1 Months Ended | 9 Months Ended |  |  |  | 9 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2012 | Sep. 30, 2013 Derivative | Sep. 30, 2013 5.00% Convertible Senior Notes [Member] | Jul. 27, 2010 5.00% Convertible Senior Notes [Member] | Sep. 30, 2013 $100 Million Term Loan Facility [Member] | Sep. 30, 2013 $253 Million Term Loan Facility [Member] | Sep. 25, 2013 Baltic Trading Limited [Member] | May 28, 2013 Baltic Trading Limited [Member] | Sep. 25, 2013 Baltic Trading Limited [Member] Class B stock [Member] | May 28, 2013 Baltic Trading Limited [Member] Class B stock [Member] | Sep. 30, 2013 MEP [Member] | Sep. 30, 2013 Genco Investment LLC [Member] Baltic Trading Limited [Member] | Dec. 31, 2012 Genco Investment LLC [Member] Baltic Trading Limited [Member] | Sep. 30, 2013 Genco Investment LLC [Member] Baltic Trading Limited [Member] Minimum [Member] | Sep. 30, 2013 Genco Investment LLC [Member] Baltic Trading Limited [Member] Class B stock [Member] | Dec. 31, 2012 Genco Investment LLC [Member] Baltic Trading Limited [Member] Class B stock [Member]
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock (in shares) | 7,500,000 |  |  |  |  |  | 13,800,000 | 6,419,217 | 276,000 | 128,383 |  |  |  |  |  |
Offering price (in dollars per share) |  |  |  |  |  |  | $ 4.60 | $ 3.60 |  |  |  |  |  |  |  |
Net proceeds after deducting underwriters' fees and expenses | $ 49,874 |  |  |  |  |  | $ 59,481 | $ 21,560 |  |  |  |  |  |  |  |
Number of shares owned by Genco Investment LLC (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,103,471 | 5,699,088
Ownership interest held (in hundredths) |  |  |  |  |  |  |  |  |  |  |  | 13.97% | 24.78% | 10.00% |  |
Aggregate voting power held (in hundredths) |  |  |  |  |  |  |  |  |  |  |  | 70.90% | 83.17% |  |  |
Percentage of additional shares to be received by Genco Investment LLC (in hundredths) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.00% |
Percentage of additional shares received from subsidiary (in hundredths) |  |  |  |  |  |  |  |  | 2.00% | 2.00% |  |  |  |  |  |
Technical services fee per ship per day |  |  |  |  |  |  |  |  |  |  | 750 |  |  |  |  |
Notice period for cancellation of provision of technical services |  |  |  |  |  |  |  |  |  |  | 60 days |  |  |  |  |
Period for termination fee upon change of control |  |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |
Notice period for cancellation of provision of technical services by company |  |  |  |  |  |  |  |  |  |  | 60 days |  |  |  |  |
Interest rate on convertible notes (in hundredths) |  |  | 5.00% | 5.00% |  |  |  |  |  |  |  |  |  |  |  |
Face amount of term loan facility |  |  |  |  | $ 100,000 | $ 253,000 |  |  |  |  |  |  |  |  |  |
Number of interest rate swaps previously classified as a long-term liability |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |

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