Unaudited Condensed Consolidated Statements of Income and Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Revenues (affiliates Note 16)	$ 173,198	$ 145,803	$ 500,088	$ 456,622
Operating costs and expenses
Cost of revenues, exclusive of depreciation and amortization	81,280	76,272	238,149	215,244
Selling, general and administrative expenses	30,437	26,001	83,834	66,436
Depreciation and amortization	21,919	19,712	63,680	58,432
Total operating costs and expenses	133,636	121,985	385,663	340,112
Income from operations	39,562	23,818	114,425	116,510
Non-operating income (expenses)
Interest income	1,926	807	5,162	2,279
Interest expense	(5,709)	(6,763)	(16,992)	(18,242)
Loss on foreign currency remeasurement	(2,806)	(7,779)	(7,337)	(6,858)
Loss on foreign currency swap	(29,225)	0	(29,225)	0
Earnings of equity method investment	1,197	688	3,828	2,120
Gain on sale of business	0	135,642	0	135,642
Other income, net	153	374	2,754	1,621
Total non-operating (expenses) income	(34,464)	122,969	(41,810)	116,562
Income before income taxes	5,098	146,787	72,615	233,072
Income tax (benefit) expense	(4,858)	9,048	4,546	22,911
Net income	9,956	137,739	68,069	210,161
Less: Net loss attributable to non-controlling interest	(80)	(75)	(174)	(140)
Net income attributable to EVERTEC, Inc.’s common stockholders	10,036	137,814	68,243	210,301
Other comprehensive income (loss), net of tax of $329, $716, $18 and $1,442
Foreign currency translation adjustments	(11,332)	4,125	9,426	(210)
Gain on cash flow hedges	3,468	5,762	3,739	18,824
Unrealized loss on change in fair value of debt securities available-for-sale	(11)	(21)	(31)	(77)
Total comprehensive income attributable to EVERTEC, Inc.’s common stockholders	$ 2,161	$ 147,680	$ 81,377	$ 228,838
Net income per common share - basic attributable to EVERTEC, Inc.’s common stockholders (in usd per share)	$ 0.16	$ 2.08	$ 1.05	$ 3.01
Net income per common share - diluted attributable to EVERTEC, Inc.’s common stockholders (in usd per share)	$ 0.15	$ 2.06	$ 1.04	$ 2.98