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STOCK BASED COMPENSATION Status of PSUs (Details) - Performance Stock Units [Member] - $ / shares
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Dec. 31, 2015
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, Nonvested, Number 977,504 670,838 580,004 415,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 6.95 $ 8.03 $ 8.02 $ 9.25
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 397,500 417,500    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 5.38 $ 7.24    
Forfeited during the period, Shares 0 (26,667)    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value $ 0.00 $ 8.50    
Vested during the period, Shares 0 (134,995)    
Vested during the period, Weighted Average Grant Date Fair Value $ 0.00 $ 9.25