Condensed Financial Statements Parent Company Only - Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Condensed Financial Statements, Captions [Line Items]
Cash flows from operating activities	$ 179,949	$ 172,734	$ 145,786
Cash flows from financing activities
Dividends paid	(14,420)	(7,273)	(21,762)
Repurchase of common stock	(31,822)	(10,000)	(7,671)
Withholding taxes paid on share-based compensation	(8,849)	(2,159)	(1,588)
Net cash used in financing activities	(70,227)	(105,055)	(69,183)
Net increase in cash, cash equivalents and restricted cash	44,375	26,379	335
Cash, cash equivalents and restricted cash at beginning of the period	86,746	60,367	60,032
Cash, cash equivalents and restricted cash at end of the period	131,121	86,746	60,367
EVERTEC
Condensed Financial Statements, Captions [Line Items]
Cash flows from operating activities	55,092	19,431	29,422
Cash flows from financing activities
Dividends paid	(14,420)	(7,273)	(21,762)
Repurchase of common stock	(31,822)	(10,000)	(7,671)
Withholding taxes paid on share-based compensation	(8,849)	(2,159)	(1,588)
Net cash used in financing activities	(55,091)	(19,432)	(31,021)
Net increase in cash, cash equivalents and restricted cash	1	(1)	(1,599)
Cash, cash equivalents and restricted cash at beginning of the period	1,678	1,679	3,278
Cash, cash equivalents and restricted cash at end of the period	$ 1,679	$ 1,678	$ 1,679