Financial Condition accounts outstanding with EVERTEC (Detail) (E V E R T E C Inc [Member], USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
100%
Related Party Transaction [Line Items]
Total	$ 53,986	$ 24,375
100% | Loans
Related Party Transaction [Line Items]
Loans	53,398	53,215
100% | Securities Investment Member
Related Party Transaction [Line Items]
Investment securities	35,000	35,000
100% | Deposits
Related Party Transaction [Line Items]
Deposits	22,095	54,288
100% | Other assets
Related Party Transaction [Line Items]
Accounts Receivable Related Parties	3,191	5,132
100% | Other liabilities
Related Party Transaction [Line Items]
Accounts payable (Other liabilities)	15,508	14,684
Majority interest
Related Party Transaction [Line Items]
Total	27,803	12,431
Majority interest | Loans
Related Party Transaction [Line Items]
Loans	27,500	27,140
Majority interest | Securities Investment Member
Related Party Transaction [Line Items]
Investment securities	18,025	17,850
Majority interest | Deposits
Related Party Transaction [Line Items]
Deposits	11,379	27,687
Majority interest | Other assets
Related Party Transaction [Line Items]
Accounts Receivable Related Parties	1,644	2,617
Majority interest | Other liabilities
Related Party Transaction [Line Items]
Accounts payable (Other liabilities)	7,987	7,489
Elimination interest
Related Party Transaction [Line Items]
Total	26,183	11,944
Elimination interest | Loans
Related Party Transaction [Line Items]
Loans	25,898	26,075
Elimination interest | Securities Investment Member
Related Party Transaction [Line Items]
Investment securities	16,975	17,150
Elimination interest | Deposits
Related Party Transaction [Line Items]
Deposits	10,716	26,601
Elimination interest | Other assets
Related Party Transaction [Line Items]
Accounts Receivable Related Parties	1,547	2,515
Elimination interest | Other liabilities
Related Party Transaction [Line Items]
Accounts payable (Other liabilities)	$ 7,521	$ 7,195