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
	Mar. 31, 2014	Mar. 31, 2013
Indemnification Guarantee Member | Banco Popular De Puerto Rico [Member]
Guarantor Obligations [Line Items]
Balance as of beginning of period	$ 19,277	$ 7,587
Additions for new sales	0	10,700
Provision (reversal) for representations and warranties	(1,064)	(290)
Net charge-offs / terminations	(1,389)	(394)
Balance as of end of period	$ 16,824	$ 17,603