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FAIR VALUE MEASUREMENTS FAIR VALUE MEASUREMENTS (Details 3)
$ in Thousands
6 Months Ended
Jun. 30, 2015
USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]  
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases $ 9,257
Contingent consideration | Level 3  
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]  
Beginning balance, December 31, 2014 0
Ending balance, June 30, 2015 $ 9,257