Employee and Consultant Equity-Based Compensation - Stock Option Activity (Details)	9 Months Ended
	Sep. 30, 2016 $ / shares shares
Number of Shares
Outstanding, beginning balance (shares) | shares	6,167,170
Granted (shares) | shares	998,600
Forfeited (shares) | shares	(125,008)
Exercised (shares) | shares	(66,764)
Expired (shares) | shares	(2,689)
Outstanding, ending balance (shares) | shares	6,971,309
Weighted Average Exercise Price per Share
Outstanding, beginning balance (dollars per share) | $ / shares	$ 6.91
Granted (dollars per share) | $ / shares	13.82
Forfeited (dollars per share) | $ / shares	19.90
Exercised (dollars per share) | $ / shares	8.64
Expired (dollars per share) | $ / shares	15.85
Outstanding, ending balance (dollars per share) | $ / shares	$ 7.64