Stockholders' Equity - Additional Information (Details)	Mar. 06, 2014	Jun. 30, 2015 $ / shares shares	Dec. 31, 2014 $ / shares shares	Mar. 25, 2014 shares
Equity [Abstract]
Common stock, shares authorized		175,000,000	175,000,000	175,000,000
Common stock, par value | $ / shares		$ 0.00001	$ 0.00001
Preferred stock, shares authorized		25,000,000	25,000,000	25,000,000
Preferred stock, par value | $ / shares		$ 0.00001	$ 0.00001
Stock split, conversion ratio	1.75