Subsequent Events (Details) (Carbavance [Member], Rempex [Member], Subsequent Event [Member], USD $)	1 Months Ended
	Feb. 28, 2014 period
Carbavance [Member] | Rempex [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Potential funding support	$ 89,800,000
Number of option periods	7
Initial commitment	19,800,000
Additional commitment	$ 70,000,000.0