Financial Condition accounts outstanding with EVERTEC (Detail) (E V E R T E C Inc [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2011
100% | Loans
Related Party Transaction [Line Items]
Loans	$ 53,306	$ 53,215	$ 57,459
100% | Securities Investment Member
Related Party Transaction [Line Items]
Investment securities	35,000	35,000	35,000
100% | Deposits
Related Party Transaction [Line Items]
Deposits	79,241	54,288	50,846
100% | Other assets
Related Party Transaction [Line Items]
Accounts Receivable Related Parties	3,251	5,132	3,709
100% | Other liabilities
Related Party Transaction [Line Items]
Accounts payable (Other liabilities)	14,685	14,684	17,078
51% majority interest | Loans
Related Party Transaction [Line Items]
Loans	27,186	27,140	29,304
51% majority interest | Securities Investment Member
Related Party Transaction [Line Items]
Investment securities	17,850	17,850	17,850
51% majority interest | Deposits
Related Party Transaction [Line Items]
Deposits	40,413	27,687	25,932
51% majority interest | Other assets
Related Party Transaction [Line Items]
Accounts Receivable Related Parties	1,658	2,617	1,891
51% majority interest | Other liabilities
Related Party Transaction [Line Items]
Accounts payable (Other liabilities)	$ 7,489	$ 7,489	$ 8,710