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SHARE-BASED COMPENSATION AND EMPLOYEE BENEFIT PLANS (Options, Valuation Assumptions) (Details) - Stock Options [Member]
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Valuation Assumptions [Line Items]      
Dividend yield 0.00% 0.00% 0.00%
Expected life in years 8 years 2 months 12 days 7 years 7 months 6 days 7 years
Minimum [Member]      
Valuation Assumptions [Line Items]      
Risk-free interest rate 1.27% 1.71% 1.90%
Expected volatility 50.00% 59.90% 60.60%
Maximum [Member]      
Valuation Assumptions [Line Items]      
Risk-free interest rate 2.26% 2.40% 3.00%
Expected volatility 61.90% 66.90% 67.10%