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		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Indemnification Guarantee Member | Banco Popular De Puerto Rico [Member]
Guarantor Obligations [Line Items]
Balance as of beginning of period	$ 15,919	$ 20,959	$ 19,277	$ 7,587
Additions for new sales	0	0	0	13,747
Provision (reversal) for representations and warranties	230	(1,100)	(1,235)	(975)
Net charge-offs / terminations	(7)	(945)	(1,900)	(1,445)
Balance as of end of period	$ 16,142	$ 18,914	$ 16,142	$ 18,914