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INVESTMENTS (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Schedule of Investments [Line Items]
Fair value of investment in capital stock	$ 41,829		$ 41,829		$ 20,988
Jinhui Shipping and Transportation Limited [Member]
Schedule of Investments [Line Items]
Investment in the capital stock of Jinhui (in shares)	16,335,100		16,335,100		16,335,100
Fair value of investment in capital stock	41,829		41,829		20,988
Impairment of investment	$ 0	$ 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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Balance held at close of period in number of shares.

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