Transaction and service payment and their impact on the results of operations between the Corporation and EVERTEC (Detail) (Equity Method Investee Member, E V E R T E C Inc [Member], 100%, USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Interest Income Member
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	$ 0	$ 853
Other Interest Income Member
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	0	963
Interest Expense Member
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transactions With Related Party	(20)	(27)
Other Fee Revenue [Member]
Related Party Transaction [Line Items]
Related Party Transaction Revenues From Transactions With Related Party	6,419	6,025
Occupancy Net Member
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transactions With Related Party	1,677	1,681
Professional Fees [Member]
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transactions With Related Party	(38,762)	(37,876)
Other Operating Expense [Member]
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transactions With Related Party	221	204
Total [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction	$ (30,465)	$ (28,177)