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SUPPLY AGREEMENT TERMINATION INCOME (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
SUPPLY AGREEMENT TERMINATION INCOME [Abstract]        
Supply agreement termination income $ 0 $ 26,134 $ 0 $ 26,134