Equity-Based Compensation - Stock Options (Details) - Stock Options $ / shares in Units, $ in Millions	6 Months Ended
	Jun. 30, 2016 USD ($) $ / shares shares
Stock Options
Outstanding at beginning of period (in shares) | shares	36,304
Grants (in shares) | shares	812,119
Outstanding at end of period (in shares) | shares	848,423
Weighted Average Exercise Price
Outstanding at beginning of period (in dollars per share) | $ / shares	$ 31.74
Granted (in dollars per share) | $ / shares	26.36
Outstanding at end of period (in dollars per share) | $ / shares	26.59
Fair value assumptions, Black-Scholes valuation model
Weighted-average grant date fair value (in dollars per share) | $ / shares	$ 11.05
Risk-free interest rate (as a percent)	1.40%
Expected term (in years)	6 years
Expected volatility (as a percent)	41.50%
Dividend yield (as a percent)	0.00%
Unrecognized compensation
Unrecognized compensation costs | $	$ 7.3
Unrecognized compensation costs, weighted average period for recognition	3 years 8 months 12 days
4-year service vesting
Stock Options
Grants (in shares) | shares	812,119
Service vesting, year 1
Vesting terms
Vesting percentage	20.00%
Service vesting, year 2
Vesting terms
Vesting percentage	20.00%
Service vesting, year 3
Vesting terms
Vesting percentage	30.00%
Service vesting, year 4
Vesting terms
Vesting percentage	30.00%