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STOCK BASED COMPENSATION (Details)
6 Months Ended
Jun. 30, 2016
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized 5,999,674
Plan 2012 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized 450,275
Plan 2013 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized 516,774
Plan 2014 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized 742,973
Plan 2015 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized 983,362
Plan 2016 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized 3,306,290