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INVESTMENTS (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Schedule of Investments [Line Items] |  |  |
Fair value of investment in capital stock | $ 77,570 | $ 20,988 |
Jinhui Shipping and Transportation Limited [Member] |  |  |
Schedule of Investments [Line Items] |  |  |
Investment in the capital stock (in shares) | 16,335,100 | 16,335,100 |
Fair value of investment in capital stock | 77,488 | 20,988 |
Impairment of investment | 0 | 0 | 0
Korea Line Corporation [Member] |  |  |
Schedule of Investments [Line Items] |  |  |
Investment in the capital stock (in shares) | 3,355 | 0 |
Fair value of investment in capital stock | 82 | 0 |
Impairment of investment | $ 0 | $ 0 | $ 0

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