Equity - Additional Information (Detail) (USD $)	0 Months Ended								12 Months Ended							12 Months Ended			0 Months Ended	12 Months Ended					0 Months Ended									12 Months Ended	0 Months Ended
	Dec. 18, 2013	Dec. 13, 2013	Dec. 06, 2013	Nov. 06, 2013	Sep. 06, 2013	Aug. 07, 2013	Dec. 18, 2012	May 09, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 First Quarter Dividend	Dec. 31, 2013 Second Quarter Dividend	Dec. 31, 2013 Revolving Credit Facility	Apr. 17, 2013 Revolving Credit Facility	Dec. 31, 2013 EVERTEC	Dec. 31, 2012 EVERTEC	Dec. 31, 2011 EVERTEC	Dec. 13, 2013 Common Stock	Dec. 31, 2013 Common Stock	Dec. 31, 2012 Common Stock	Dec. 31, 2011 Common Stock	Dec. 31, 2010 Common Stock	Dec. 13, 2013 Common Stock Revolving Credit Facility	Dec. 13, 2013 Apollo Global Management Llc	Sep. 18, 2013 Apollo Global Management Llc	Apr. 17, 2013 Apollo Global Management Llc Common Stock	Dec. 13, 2013 Popular	Sep. 18, 2013 Popular	Apr. 17, 2013 Popular Common Stock	Dec. 13, 2013 Selling Stockholders	Sep. 18, 2013 Selling Stockholders	Apr. 17, 2013 IPO 2013 Credit Agreement	Dec. 31, 2013 IPO 2013 Credit Agreement	Apr. 17, 2013 IPO Common Stock	Apr. 17, 2013 IPO Common Stock EVERTEC	Apr. 17, 2013 IPO Selling Stockholders Common Stock	Apr. 17, 2013 IPO Selling Stockholders Apollo Global Management Llc Common Stock	Apr. 17, 2013 IPO Selling Stockholders Popular Common Stock
Statement of Equity [Line Items]
Common stock authorized									206,000,000	206,000,000
Common stock par value									$ 0.01																						$ 20.60	$ 22.50			$ 20.00
Common stock outstanding									78,286,465	72,846,144										78,286,465	72,846,144	72,754,448	72,066,248
Preferred stock authorized									2,000,000	2,000,000
Preferred stock par value									$ 0.01	$ 0.01
Preferred stock issued									0	0
Shares issued under Initial and Other Public Offerings																					91,696	688,200			0	9,200,000	13,739,284	11,700,000	17,500,000	8,800,659	15,233,273	23,000,000			28,789,943	6,250,000	22,539,943	13,739,284	8,800,659
Net proceeds from Initial Public Offering									$ 29,000	$ 450,000	$ 2,641,000					$ 29,000	$ 450,000	$ 2,641,000															$ 117,400,000	$ 117,400,000
Shares repurchased	3,690,036																		3,690,036	3,690,036
Repurchase of common stock		25,000,000							75,000,000							75,000,000			25,000,000
Shares repurchased, Value using revolving credit facility		50,000,000												50,000,000	100,000,000									50,000,000
Dividend declared				$ 0.10		$ 0.10
Dividend Paid			$ 0.10		$ 0.10
Date of Dividend declaration												Aug. 07, 2013	Nov. 06, 2013
Date of Dividend payment												Sep. 06, 2013	Dec. 06, 2013
Cash distribution to stockholders							53,400,000	269,800,000
Excess over accumulated earnings of cash distribution							$ 52,400,000	$ 260,200,000