Stock Compensation - Schedule of Stock Option Activity (Details)	9 Months Ended
	Sep. 30, 2016 $ / shares shares
Number of Shares
Options outstanding, beginning balance (in shares) | shares	10,232,969
Granted (in shares) | shares	4,926,825
Forfeited (in shares) | shares	(3,203,040)
Exercised (in shares) | shares	(2,347,046)
Options outstanding, ending balance (in shares) | shares	9,609,708
Weighted Average Exercise Price Per Share
Options outstanding, beginning balance (in dollars per share) | $ / shares	$ 10.00
Granted (in dollars per share) | $ / shares	6.49
Forfeited (in dollars per share) | $ / shares	11.38
Exercised (in dollars per share) | $ / shares	5.32
Options outstanding, ending balance (in dollars per share) | $ / shares	$ 8.88