Capitalization (Details) (USD $)			1 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2011 Common Stock
Class of Stock [Line Items]
Common stock, shares authorized	1,000,000,000	1,000,000,000
Common stock, par value (in usd per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	50,000,000
Preferred stock, par value (in usd per share)	$ 0.0001
Automatic conversion of then-outstanding preferred stock into common stock (in shares)			28,809,031
Number of shares of common stock each preferred stock was converted into			1