Equity-Based Compensation - Schedule of Activity Related to Stock Awards (Details) - Non-qualified stock options	12 Months Ended
	Dec. 31, 2016 $ / shares shares
Number of Stock Options
Outstanding at the beginning of the period (in shares) | shares	3,766,941
Granted (in shares) | shares	1,129,944
Forfeited (in shares) | shares	(588,744)
Outstanding at the end of the period (in shares) | shares	4,308,141
Exercisable at the end of the period (in shares) | shares	3,110,337
Weighted Average Exercise Price
Outstanding at the beginning of the period (in dollars per share) | $ / shares	$ 17.23
Granted (in dollars per share) | $ / shares	3.50
Forfeited (in dollars per share) | $ / shares	19.69
Outstanding at the end of the period (in dollars per share) | $ / shares	13.29
Exercisable at the end of the period (in dollars per share) | $ / shares	$ 16.75