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
	Mar. 31, 2014	Mar. 31, 2013
100% | Interest Income Member
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	$ 0	$ 853
100% | Other Interest Income Member
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	0	963
100% | Interest Expense Member
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transactions With Related Party	(20)	(27)
100% | Other Fee Revenue [Member]
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	6,419	6,025
100% | Occupancy Net Member
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transactions With Related Party	1,677	1,681
100% | Professional Fees [Member]
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transactions With Related Party	(38,762)	(37,876)
100% | Other Operating Expense [Member]
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transactions With Related Party	221	204
100% | Total [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	(30,465)	(28,177)
Elimination interest | Interest Income Member
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	0	(413)
Elimination interest | Other Interest Income Member
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	0	(467)
Elimination interest | Interest Expense Member
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transactions With Related Party	3	13
Elimination interest | Other Fee Revenue [Member]
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	(956)	(2,921)
Elimination interest | Occupancy Net Member
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transactions With Related Party	(250)	(815)
Elimination interest | Professional Fees [Member]
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transactions With Related Party	5,775	18,362
Elimination interest | Other Operating Expense [Member]
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transactions With Related Party	(33)	(99)
Elimination interest | Total [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	4,539	13,660
Amount net of eliminations | Interest Income Member
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	0	440
Amount net of eliminations | Other Interest Income Member
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	0	496
Amount net of eliminations | Interest Expense Member
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transactions With Related Party	(17)	(14)
Amount net of eliminations | Other Fee Revenue [Member]
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	5,463	3,104
Amount net of eliminations | Occupancy Net Member
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transactions With Related Party	1,427	866
Amount net of eliminations | Professional Fees [Member]
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transactions With Related Party	(32,987)	(19,514)
Amount net of eliminations | Other Operating Expense [Member]
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transactions With Related Party	188	105
Amount net of eliminations | Total [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	$ (25,926)	$ (14,517)