Acquisitions - Additional Information (Detail) (USD $)	3 Months Ended		12 Months Ended	3 Months Ended	0 Months Ended		3 Months Ended	0 Months Ended			3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013 Entity	Mar. 31, 2014 New Senior Secured Credit Facilities	Nov. 05, 2013 Official Payments Holdings, Inc.	Mar. 11, 2013 Online Resources Corporation	Mar. 31, 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	Mar. 31, 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	40,000,000				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							8,800,000							71,700,000
Operating income (loss)	$ 291,000	$ (4,009,000)					$ (1,100,000)							$ 8,700,000