Equity-Based Compensation (Details 2)	9 Months Ended
	Sep. 30, 2015 shares
Stock Options
Options, Balance as of January 1, 2015	652,500
Options, Exercised	(564,443)
Options, Balance as of September 30, 2015	88,057
Options, Vested	88,057
Restricted Stock Units (RSUs)
Restricted Stock Units
Restricted Stock Units, Balance as of January 1, 2015	40,472
Restricted Stock Units, Granted	85,680
Restricted Stock Units, Forfeited	(6,588)
Restricted Stock Units, Delivered and exchanged for shares of Class A common stock	(5,154)
Restricted Stock Units, Cancelled	(2,422)
Restricted Stock Units, Balance as of September 30, 2015	111,988
Restricted Stock Units, Unvested	111,988