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FAIR VALUE (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Business Combination, Contingent Consideration Arrangement - Equator $ 0 $ 0 $ 7,591,000 $ 37,924,000  
Fair Value, Measurements, Recurring          
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Fair value of acquisition related contingent consideration $ 3,800,000   3,800,000   $ 11,600,000
Equator LLC [Member]          
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Payment made to extinguish Equator contingent consideration     500,000    
Value of Equator contingent consideration after payment to sellers     $ 0