Segment Information - Information about Operations by Business Segments (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2011
Segment Reporting Information [Line Items]
Revenues	$ 487,374	$ 453,869	$ 407,144
Operating costs and expenses	342,872	328,741	321,061
Depreciation and amortization	68,082	63,067	64,250
Non-operating income (expenses)	(233)	3,294	3,261
EBITDA	212,351	191,489	153,594
Compensation and benefits	13,798	13,659	9,755
Transaction, refinancing, exit activity and other fees	47	7,311	14,679
Adjusted EBITDA	$ 226,196	$ 212,459	$ 178,028
Equity interest in CONTADO acquisition				19.99%
Consorcio de Tarjetas Dominicanas S.A.
Segment Reporting Information [Line Items]
Equity interest in CONTADO acquisition	19.99%	19.99%	19.99%
Merchant Acquiring, net
Segment Reporting Information [Line Items]
Revenues	$ 106,388	$ 99,655
Business Solutions
Segment Reporting Information [Line Items]
Revenues	216,662	197,607
Operating Segments | Payment Services - Puerto Rico & Caribbean
Segment Reporting Information [Line Items]
Revenues	125,544	114,119	$ 101,687
Operating costs and expenses	61,396	52,006	57,463
Depreciation and amortization	11,646	9,734	8,993
Non-operating income (expenses)	1,781	2,420	2,229
EBITDA	77,575	74,267	55,446
Compensation and benefits	1,034	1,087	589
Transaction, refinancing, exit activity and other fees	0	(250)	2,499
Adjusted EBITDA	78,609	75,104	58,534
Operating Segments | Payment Services - Latin America
Segment Reporting Information [Line Items]
Revenues	84,453	80,899	62,702
Operating costs and expenses	65,701	75,240	66,786
Depreciation and amortization	9,930	9,284	8,880
Non-operating income (expenses)	286	11,750	8,726
EBITDA	28,968	26,693	13,522
Compensation and benefits	1,501	1,034	816
Transaction, refinancing, exit activity and other fees	210	0	3,220
Adjusted EBITDA	30,679	27,727	17,558
Operating Segments | Merchant Acquiring, net
Segment Reporting Information [Line Items]
Revenues	106,388	99,655	85,778
Operating costs and expenses	62,098	55,778	57,574
Depreciation and amortization	1,814	1,698	2,254
Non-operating income (expenses)	48	3	1
EBITDA	46,152	45,578	30,459
Compensation and benefits	1,004	938	573
Transaction, refinancing, exit activity and other fees	0	0	6,465
Adjusted EBITDA	47,156	46,516	37,497
Operating Segments | Business Solutions
Segment Reporting Information [Line Items]
Revenues	216,662	197,602	189,077
Operating costs and expenses	138,224	126,232	119,761
Depreciation and amortization	16,529	13,878	15,774
Non-operating income (expenses)	340	477	13
EBITDA	95,307	85,725	85,103
Compensation and benefits	2,114	2,088	1,687
Transaction, refinancing, exit activity and other fees	0	0	0
Adjusted EBITDA	97,421	87,813	86,790
Corporate and Other
Segment Reporting Information [Line Items]
Revenues	(45,673)	(38,406)	(32,100)
Operating costs and expenses	15,453	19,485	19,477
Depreciation and amortization	28,163	28,473	28,349
Non-operating income (expenses)	(2,688)	(11,356)	(7,708)
EBITDA	(35,651)	(40,774)	(30,936)
Compensation and benefits	8,145	8,512	6,090
Transaction, refinancing, exit activity and other fees	(163)	7,561	2,495
Adjusted EBITDA	(27,669)	(24,701)	(22,351)
Processing Fee | Corporate and Other
Segment Reporting Information [Line Items]
Revenues	39,000	36,100	$ (32,100)
Software Sale and Developments | Corporate and Other
Segment Reporting Information [Line Items]
Revenues	$ 6,700	$ 2,300