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Equity-Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Grant Date Fair Value for Awards of Performance Units Inputs
The grant date fair value for awards of performance units with market-based metrics, which were granted in the six months ended June 30, 2017, was based on a fair value as determined by a Monte Carlo simulation using the following key inputs:
Valuation date stock price based on the March 22, 2017 closing stock price
$36.31
Expected volatility
36.00
%
Risk-free interest rate
1.46
%
Term in years
2.78