v3.4.0.3
EQUITY BASED COMPENSATION compensation related costs, share based payments (Details)
3 Months Ended
Mar. 31, 2016
USD ($)
$ / shares
shares
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, Vested in Period 26,600
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period (25,045)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 367,491
Number of Units  
Unvested - beginning of period (in shares) 367,491
Granted (in shares) 153,500
Vested (in shares) (26,600)
Forfeited (in shares) (25,045)
Unvested - end of period (in shares) 469,346
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Unvested - beginning of period (in dollars per share) | $ / shares $ 13.06
Granted (in dollars per share) | $ / shares $ 2.50
Vested (in dollars per share) | $ $ 13.06
Forfeited (in dollars per share) | $ / shares $ 10.95
Unvested - end of period (in dollars per share) | $ / shares $ 11.04
Phantom Share Units (PSUs) | Long Term Incentive Plan (LTIP)  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Unrecognized unit-based compensation expense, recognition period 2 years 1 month 6 days