Unaudited Condensed Consolidated Statements of Income and Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Revenues (affiliates Note 14)	$ 117,937	$ 122,548	$ 239,879	$ 241,384
Operating costs and expenses
Cost of revenues, exclusive of depreciation and amortization	56,979	52,601	111,046	102,620
Selling, general and administrative expenses	17,529	15,064	34,846	30,203
Depreciation and amortization	17,839	17,195	35,634	33,468
Total operating costs and expenses	92,347	84,860	181,526	166,291
Income from operations	25,590	37,688	58,353	75,093
Non-operating (expenses) income
Interest income	373	257	736	516
Interest expense	(6,183)	(7,373)	(12,962)	(14,924)
Earnings of equity method investment	193	133	531	355
Other income (expense)	172	(1,079)	280	(871)
Total non-operating expenses	(5,445)	(8,062)	(11,415)	(14,924)
Income before income taxes	20,145	29,626	46,938	60,169
Income tax expense	4,520	2,489	9,038	6,298
Net income	15,625	27,137	37,900	53,871
Less: Net income attributable to non-controlling interest	141	79	205	169
Net income attributable to EVERTEC, Inc.’s common stockholders	15,484	27,058	37,695	53,702
Other comprehensive income (loss), net of tax of $(2), $(617), $(1,087) and $(1,001)
Foreign currency translation adjustments	1,067	2,325	(7,238)	4,290
Loss on cash flow hedges	(678)	(6,042)	(12,537)	(10,097)
Total comprehensive income attributable to EVERTEC, Inc.’s common stockholders	$ 15,873	$ 23,341	$ 17,920	$ 47,895
Net income per common share - basic attributable to EVERTEC, Inc.’s common stockholders (in usd per share)	$ 0.22	$ 0.38	$ 0.52	$ 0.74
Net income per common share - diluted attributable to EVERTEC, Inc.’s common stockholders (in usd per share)	$ 0.21	$ 0.37	$ 0.52	$ 0.73