Employee and Consultant Equity-Based Compensation - Stock Option Activity (Details)	3 Months Ended
	Mar. 31, 2016 $ / shares shares
Number of Shares
Outstanding, beginning balance (shares) | shares	6,167,170
Granted (shares) | shares	700,161
Forfeited (shares) | shares	(98,001)
Exercised (shares) | shares	(8,833)
Outstanding, ending balance (shares) | shares	6,760,497
Weighted Average Exercise Price Per Share
Outstanding, beginning balance (dollars per share) | $ / shares	$ 6.91
Granted (dollars per share) | $ / shares	13.02
Forfeited (dollars per share) | $ / shares	20.65
Exercised (dollars per share) | $ / shares	3.15
Outstanding, ending balance (dollars per share) | $ / shares	$ 7.34