Stock Split - Additional Information (Detail) (USD $)	0 Months Ended	6 Months Ended
	Apr. 10, 2014	Jun. 30, 2014	Apr. 10, 2014	Dec. 31, 2013
Equity [Abstract]
Stock split, description		On April 10, 2014, the Company announced that its Board of Directors approved a three-for-one stock split of the Company's common stock, which was affected in the form of a common stock dividend distributed on July 10, 2014.
Stock split of Company's common stock	3
Common stock, par value		$ 0.005	$ 0.005	$ 0.005