Condensed Financial Statements Parent Company Only - Condensed Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current Assets:
Cash and cash equivalents	$ 50,423	$ 51,920	$ 28,747	$ 32,114
Accounts receivable, net	83,328	77,803
Prepaid expenses and other assets	25,011	20,430
Total current assets	168,706	158,265
Investment in subsidiaries, at equity	13,073	12,252
Total assets	902,788	885,662
Current Liabilities:
Accrued liabilities	38,451	34,243
Accounts payable	41,135	40,845
Total current liabilities	147,216	129,163
Deferred tax liability, net	13,820	14,978
Other long-term liabilities	13,039	16,376
Total liabilities	754,812	777,487
Stockholders' equity:
Common stock	723	726
Additional paid-in capital	5,350	0
Accumulated earnings	148,887	116,341
Total EVERTEC, Inc. stockholders’ equity	144,112	104,676
Total liabilities and equity	902,788	885,662
EVERTEC
Current Assets:
Cash and cash equivalents	1,679	3,278	$ 1,673	$ 1,612
Prepaid expenses and other assets	24	377
Prepaid income tax	1,594	21
Total current assets	3,297	3,676
Investment in subsidiaries, at equity	155,666	126,227
Total assets	158,963	129,903
Current Liabilities:
Accrued liabilities	224	1,697
Accounts payable	359	79
Total current liabilities	583	1,776
Deferred tax liability, net	8,660	11,641
Other long-term liabilities	5,608	11,810
Total liabilities	14,851	25,227
Stockholders' equity:
Common stock	723	726
Additional paid-in capital	5,350	0
Accumulated earnings	148,887	116,341
Accumulated other comprehensive loss, net of tax	(10,848)	(12,391)
Total EVERTEC, Inc. stockholders’ equity	144,112	104,676
Total liabilities and equity	$ 158,963	$ 129,903