Corporation Information - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended		1 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Oct. 31, 2012 IPO
Basis Of Presentation And Organization [Line Items]
Acquisition date of ID Analytics Inc.	Mar. 14, 2012
Common stock shares issued and sold	91,441,771	86,561,320	15,500,000
Common stock public offering price per share			$ 9.00
Net proceeds received from IPO			$ 125,663
Underwriting discount			9,765
Other offering expenses			4,072
Convertible redeemable preferred stock converted into common stock			51,320,437
Payments to Acquire Businesses, Net of Cash Acquired	$ 42,369