Acquisitions - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended	3 Months Ended	0 Months Ended		3 Months Ended	6 Months Ended	0 Months Ended			3 Months Ended				6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013 Entity	Jun. 30, 2014 New Senior Secured Credit Facilities	Nov. 05, 2013 Official Payments Holdings, Inc.	Mar. 11, 2013 Online Resources Corporation	Jun. 30, 2013 Online Resources Corporation	Jun. 30, 2013 Online Resources Corporation	Mar. 11, 2013 Online Resources Corporation Series A-1 Convertible Preferred Stock	Mar. 31, 2013 Profesionales en Transacciones Electronicas S.A. - Venezuela ("PTESA-V")	Mar. 31, 2013 Profesionales en Transacciones Electronicas S.A. - Ecuador ("PTESA-E")	Mar. 31, 2013 Profesionales En Transacciones Electronicas Venezuela And Ecuador	Mar. 31, 2013 Profesionales en Transacciones Electronicas S.A. - Colombia ("PTESA-C")	Mar. 31, 2013 Profesionales en Transacciones Electronicas S.A	Jun. 30, 2014 Official Payments Holdings, Inc. and Online Resources Corporation	Jun. 30, 2014 Official Payments Holdings, Inc. and Online Resources Corporation
Business Acquisition [Line Items]
Total purchase price					$ 378,100,000			$ 260,100,000						$ 2,800,000	$ 11,400,000	$ 14,200,000
Number of businesses acquired					3
Business acquisition cash paid							139,800,000
Cash paid per common stock							$ 8.35	$ 3.85
Amount Drawn from Revolving Credit Facility to pay for acquisition			50,000,000				40,000,000
Business acquisition common stock purchase price								132,900,000
Business acquisition preferred stock purchase price											127,200,000
Additional borrowings under credit facility						300,000,000
Percentage of ownership interest acquired												100.00%	100.00%
Purchase price, non tax deductible goodwill amount																1,500,000
Revenue									38,400,000	47,200,000							75,400,000	147,100,000
Operating income	$ 26,741,000	$ 11,522,000	$ 27,032,000	$ 7,513,000					$ 1,600,000	$ 500,000							$ 5,200,000	$ 13,900,000