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OTHER NON-CURRENT LIABILITIES (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
OTHER NON-CURRENT LIABILITIES    
Contingent consideration (Earn Out) $ 8,091 $ 42,946
Other non-current liabilities 3,642 2,530
Total $ 11,733 $ 45,476