Impact on the results of operations of transactions between the Corportation and EVERTEC (Detail) (Equity Method Investee Member, E V E R T E C Inc [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
100% | Interest Income Member
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	$ 0		$ 854	$ 2,491	$ 2,502
100% | Other Interest Income Member
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	0		963	1,269	2,888
100% | Interest Expense Member
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	(29)		(45)	(86)	(219)
100% | Other Fee Revenue [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	6,585		6,240	18,974	18,513
100% | Net Gain Loss And Valuation Adjustments On Investment Securities [Member]
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	0			5,856
100% | Other Income [Member]
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	0			9,854
100% | Occupancy Net Member
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	1,690		1,636	5,054	4,991
100% | Professional Fees [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	(38,335)		(36,173)	(114,610)	(110,687)
100% | Other Operating Expense [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	204		141	634	544
100% | Total [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	(29,885)		(26,384)	(70,564)	(81,468)
Elimination interest | Interest Income Member
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	276	[1]	(414)	(531)	(1,198)
Elimination interest | Other Interest Income Member
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	141	[1]	(467)	(270)	(1,384)
Elimination interest | Interest Expense Member
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	0	[1]	22	18	104
Elimination interest | Other Fee Revenue [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	(29)	[1]	(3,026)	(4,041)	(8,854)
Elimination interest | Net Gain Loss And Valuation Adjustments On Investment Securities [Member]
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	649	[1]		(1,247)
Elimination interest | Other Income [Member]
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	1,091	[1]		(2,099)
Elimination interest | Occupancy Net Member
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	12	[1]	(794)	(1,077)	(2,391)
Elimination interest | Professional Fees [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	(286)	[1]	17,540	24,412	53,048
Elimination interest | Other Operating Expense [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	4	[1]	(68)	(135)	(258)
Elimination interest | Total [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	1,858	[1]	12,793	15,030	39,067
Amount net of eliminations | Interest Income Member
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	276		440	1,960	1,304
Amount net of eliminations | Other Interest Income Member
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	141		496	999	1,504
Amount net of eliminations | Interest Expense Member
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transactions With Related Party	(29)		(23)	(68)	(115)
Amount net of eliminations | Other Fee Revenue [Member]
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	6,556		3,214	14,933	9,659
Amount net of eliminations | Net Gain Loss And Valuation Adjustments On Investment Securities [Member]
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	649			4,609
Amount net of eliminations | Other Income [Member]
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	1,091			7,755
Amount net of eliminations | Occupancy Net Member
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	1,702		842	3,977	2,600
Amount net of eliminations | Professional Fees [Member]
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transactions With Related Party	(38,621)		(18,633)	(90,198)	(57,639)
Amount net of eliminations | Other Operating Expense [Member]
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	208		73	499	286
Amount net of eliminations | Total [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	$ (28,027)		$ (13,591)	$ (55,534)	$ (42,401)

[1] The impact of eliminations for the quarter ended September 30, 2013 includes the effect of the reduction in Popular’s stake in EVERTEC to 21.3% from 32.4% as of June 30, 2013.