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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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Equity securities categorized neither as held-to-maturity nor trading which are intended be sold more than one year from the balance sheet date or operating cycle, if longer.

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