Employee and Consultant Equity-Based Compensation - Stock Option Supplemental Information (Details) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($) $ / shares shares
Options Outstanding
Option Indexed to Issuer's Equity [Line Items]
Number of options (shares) | shares	6,918,042
Weighted average remaining contractual term (in years)	7 years 22 days
Weighted average exercise price (dollars per share)	$ 7.49
Weighted average fair value (dollars per share)	$ 5.80
Aggregate intrinsic value (in thousands) | $	$ 37,775
Options Exercisable
Option Indexed to Issuer's Equity [Line Items]
Number of options (shares) | shares	4,268,778
Weighted average remaining contractual term (in years)	6 years 4 months 28 days
Weighted average exercise price (dollars per share)	$ 5.01
Weighted average fair value (dollars per share)	$ 3.77
Aggregate intrinsic value (in thousands) | $	$ 34,813
Options Vested and Expected to Vest
Option Indexed to Issuer's Equity [Line Items]
Number of options (shares) | shares	6,715,032
Weighted average remaining contractual term (in years)	7 years
Weighted average exercise price (dollars per share)	$ 7.28
Weighted average fair value (dollars per share)	$ 5.63
Aggregate intrinsic value (in thousands) | $	$ 38,171