Income Tax - Additional Information (Detail) (USD $)	0 Months Ended	6 Months Ended	12 Months Ended					12 Months Ended			0 Months Ended		12 Months Ended	0 Months Ended	12 Months Ended			0 Months Ended	12 Months Ended		0 Months Ended	12 Months Ended
	Oct. 11, 2011	Jun. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Oct. 19, 2012	Dec. 31, 2013 Development Services	Dec. 31, 2013 During 2012 Employee	Dec. 31, 2013 For the remaining years of the grant Employee	Dec. 01, 2013 Scenario Forecast	Oct. 19, 2012 Income Tax	Dec. 31, 2013 Income Tax	Oct. 19, 2012 Municipal Taxes	Dec. 31, 2013 Municipal Taxes	Dec. 31, 2013 Property Taxes	Dec. 31, 2013 Windfall	Jun. 30, 2013 Minimum	Dec. 31, 2012 Minimum	Dec. 31, 2011 Minimum	Jun. 30, 2013 Maximum	Dec. 31, 2012 Maximum	Dec. 31, 2011 Maximum
Income Tax Examination [Line Items]
Reduction in deferred tax liability																			$ (66,400,000)	$ (27,600,000)
Corporate income tax																		30.00%	4.00%	30.00%	39.00%	30.00%	39.00%
Adjustment to deferred taxes due to changes in enacted tax rate		1,400,000	1,441,000	(66,423,000)	(23,813,000)
Unremitted earnings for foreign subsidiaries			9,000,000
Tax exemption period												15 years		15 years
Tax exemption period, effective date													Jan. 01, 2012		Jan. 01, 2013
Preferential tax rate	7.00%		4.00%								4.00%
Percentage of income tax exemption															60.00%	90.00%
Tax exemption, conditions			The grant contains customary commitments, conditions and representations that EVERTEC, LLC will be required to comply with in order to maintain the grant. The more significant commitments include (i) maintaining at least 750 employees in EVERTEC, LLC's Puerto Rico data processing operations during 2012 and at least 700 employees for the remaining years of the grant; and (ii) investing at least $200.0 million in building, machinery, equipment or computer programs to be used
Commitments to maintain tax exemption grant, minimum number of employees to be maintained									750	700
Commitments to maintain tax exemption grant, investments							200,000,000
Commitments to maintain tax exemption grant, investment increment over four year cycle							50,000,000
Tax exemption expiration date			2024-11-01
Base tax rate								7.00%
Base tax rate period								10 years
Total available gross net operating loss			11,300,000														84,400,000
Future realized windfall tax benefit			7,400,000
Net operating loss carried forward expires			Dec. 31, 2023			Dec. 31, 2022
Unrecognized tax benefits, accrued interest expense			0	25,000	300,000
Average interest rate			10.00%	10.00%	10.00%
Unrecognized tax benefits			0	828,000	1,503,000	1,222,000
Open tax uncertainty positions			$ 0