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STOCK BASED COMPENSATION Status of PSUs (Details) - Performance Stock Units [Member] - $ / shares
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Jun. 30, 2017
Dec. 31, 2016
Jun. 30, 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 806,671 580,004 806,671 580,004 890,838 580,004 670,838 415,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 6.93 $ 8.02 $ 6.93 $ 8.02 $ 6.92 $ 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 (84,167) (72,084.00) (170,833) (98,751)        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value $ 6.86 $ 8.05 $ 7.04 $ 8.17        
Vested during the period, Shares 0 (18,750.00) 0 (153,745)        
Vested during the period, Weighted Average Grant Date Fair Value $ 0.00 $ 8.25 $ 0.00 $ 9.13