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STOCK-BASED COMPENSATION Stock-Based Compensation Grants (Details)
3 Months Ended
Mar. 31, 2016
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights The terms of the restricted stock awards include vesting provisions based solely on continued service. If the service criteria are satisfied, the restricted stock awards generally vest during March of 2017, 2018, and 2019.
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Repurchased In Period 210,169
Employee Restricted Equity Awards [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Forfeitures 12.00%
Employees Plan [Member] | Restricted Stock Units (RSUs) [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 437,275
Total Stock Return (TSR) [Domain] | Restricted Stock [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 741,603
Total Stock Return (TSR) [Domain] | Restricted Stock Units (RSUs) [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 390,728