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INVESTMENTS (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Investments    
Fair value of investment in capital stock $ 23,825 $ 24,468
Jinhui Shipping and Transportation Limited
   
Investments    
Investment in the capital stock of Jinhui (in shares) 16,335,100 16,335,100
Fair value of investment in capital stock $ 23,825 $ 24,468