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FAIR VALUE DISCLOSURES - Narrative (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Contingent consideration liability $ 4,200  
Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Contingent consideration liability $ 4,200 $ 3,900