Changes in the Corporation's liability of estimated losses associated with customary respresentations and warranties related to loans sold by BPPR (Detail) (Indemnification Guarantee Member, Banco Popular De Puerto Rico [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Indemnification Guarantee Member | Banco Popular De Puerto Rico [Member]
Guarantor Obligations [Line Items]
Balance as of beginning of period	$ 17,603	$ 8,562	$ 7,587	$ 8,522
Valuation Allowances And Reserves Charged To Other Accounts	3,047	0	13,747	0
Valuation Allowances And Reserves Charged To Cost And Expense	415	(51)	125	246
Valuation Allowances And Reserves Deductions	(106)	(332)	(500)	(589)
Balance as of end of period	$ 20,959	$ 8,179	$ 20,959	$ 8,179