v3.5.0.2
EQUITY BASED COMPENSATION - Activity (Details)
6 Months Ended
Jun. 30, 2016
USD ($)
$ / shares
shares
Number of Units  
Unvested - beginning of period (in shares) 367,491
Granted (in shares) 153,500
Vested (in shares) (26,600)
Forfeited (in shares) (86,712)
Unvested - end of period (in shares) 407,679
Weighted Average Grant Date Fair Value  
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 $ 11.01
Unvested - end of period (in dollars per share) | $ / shares $ 9.52
Phantom Share Units (PSUs) | Long Term Incentive Plan (LTIP)  
Other disclosures  
Unrecognized unit-based compensation expense | $ $ 2,100,000
Unrecognized unit-based compensation expense, recognition period 2 years