Equity-Based Compensation (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2013
Summary of grant date fair value under stock option activity
Number of options, Non Vested, Beginning balance	6,227,914
Number of options, Granted	5,722,000
Number of options, Forfeited	488,500
Number of options, Non Vested, Ending balance	10,261,718
Weighted average grant date fair value, Nonvested, Beginning balance	$ 1.45
Weighted average grant date fair value, Granted	$ 4.00
Weighted average grant date fair value, Forfeited	$ 1.37
Weighted average grant date fair value, Nonvested, Ending balance	$ 3.20