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SHARE BASED COMPENSATION (Tables)
12 Months Ended
Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Activity for Shares
The following table summarizes activity relating to carry units:
 
Number of Time
Vesting Awards
 
Number of Performance
Based Vesting Awards
 
Weighted Average Grant Date Fair Value
Balance, December 31, 2016
192,800,000

 
10,000,000

 
$
0.37

Granted
28,025,000

 

 
3.14

Forfeited
(7,854,166
)
 

 
0.37

Vested
(44,420,833
)
 

 
0.41

Balance, December 31, 2017
168,550,001

 
10,000,000

 
0.71

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
The following aggregate assumptions were used to calculate the fair values of stock option awards granted on December 30, 2017:
Risk-free interest rate
 
2.30%
Expected life (in years)
 
6.44
Dividend yield
 
—%
Volatility
 
33.95%
Grant date fair value
 
$8.77