Subsequent Events - Additional Information (Details)	3 Months Ended
	Mar. 31, 2015
Subsequent Events [Abstract]
Separation agreement date	Apr. 02, 2015
Transition period description	Ms. Bradley has agreed to remain with the Company on a full-time basis for a transition period, which will last until the earlier of September 30, 2015 or thirty days following her successor’s start date (the “Transition Period”).
Employment agreement date	Mar. 31, 2014