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STOCK BASED COMPENSATION Status of PSUs (Details) - Performance Stock Units [Member] - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Mar. 31, 2017
Dec. 31, 2016
Mar. 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 890,838 670,838 890,838 670,838 977,504 580,004 670,838 415,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 6.92 $ 8.03 $ 6.92 $ 8.03 $ 6.95 $ 8.02 $ 8.03 $ 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 (86,666) (0.00) (86,666) (26,667)        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value $ 7.21 $ 0.00 $ 7.21 $ 8.50        
Vested during the period, Shares     0 (134,995)        
Vested during the period, Weighted Average Grant Date Fair Value     $ 0.00 $ 9.25