T D R that subsequently defaulted (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014 loans	Jun. 30, 2013 loans	Jun. 30, 2014 loans		Jun. 30, 2013 loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	208	273	392		517
Financing Receivable Modifications That Defaulted	$ 8,517	$ 19,604	$ 15,278		$ 32,287
Commercial Multi Family [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	0		0
Financing Receivable Modifications That Defaulted	0	0	0		0
Commercial Real Estate Non Owner Occupied [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	1		1
Financing Receivable Modifications That Defaulted	0	0	30		1,139
Commercial Real Estate Owner Occupied [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	1	2	3		2
Financing Receivable Modifications That Defaulted	44	5,127	377		5,127
Commercial And Industrial Loans [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	2	1	5		2
Financing Receivable Modifications That Defaulted	438	504	609		1,436
Commercial Real Estate Construction Financing Receivable Member
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	0		0
Financing Receivable Modifications That Defaulted	0	0	0		0
Mortgages [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	33	68	55		131
Financing Receivable Modifications That Defaulted	6,225	11,730	10,915		20,601
Legacy [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	4	0	7		0
Financing Receivable Modifications That Defaulted	52	0	87		0
Finance Leases Portfolio Segment Member
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	3	0		10
Financing Receivable Modifications That Defaulted	0	21	0		65
Consumer Credit Card Financing Receivable [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	133	169	256		300
Financing Receivable Modifications That Defaulted	1,329	1,807	2,408		2,927
Home Equity Line of Credit [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	0		0
Financing Receivable Modifications That Defaulted	0	0	0		0
Personal [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	30	30	55		71
Financing Receivable Modifications That Defaulted	345	415	666		992
Consumer Loans Auto Financing Receivable [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	5	0	10		0
Financing Receivable Modifications That Defaulted	84	0	186		0
Consumer Other Financing Receivable Member
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	0		0
Financing Receivable Modifications That Defaulted	0	0	0		0
PUERTO RICO
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	208	273	392	[1]	516	[1]
Financing Receivable Modifications That Defaulted	8,517	19,604	15,278	[1]	31,148	[1]
PUERTO RICO | Commercial Multi Family [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	0		0
Financing Receivable Modifications That Defaulted	0	0	0		0
PUERTO RICO | Commercial Real Estate Non Owner Occupied [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	1		0
Financing Receivable Modifications That Defaulted	0	0	30		0
PUERTO RICO | Commercial Real Estate Owner Occupied [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	1	2	3		2
Financing Receivable Modifications That Defaulted	44	5,127	377		5,127
PUERTO RICO | Commercial And Industrial Loans [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	2	1	5		2
Financing Receivable Modifications That Defaulted	438	504	609		1,436
PUERTO RICO | Commercial Real Estate Construction Financing Receivable Member
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	0		0
Financing Receivable Modifications That Defaulted	0	0	0		0
PUERTO RICO | Mortgages [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	33	68	55		131
Financing Receivable Modifications That Defaulted	6,225	11,730	10,915		20,601
PUERTO RICO | Finance Leases Portfolio Segment Member
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	4	3	7		10
Financing Receivable Modifications That Defaulted	52	21	87		65
PUERTO RICO | Consumer Credit Card Financing Receivable [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	133	169	256		300
Financing Receivable Modifications That Defaulted	1,329	1,807	2,408		2,927
PUERTO RICO | Home Equity Line of Credit [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	0		0
Financing Receivable Modifications That Defaulted	0	0	0		0
PUERTO RICO | Personal [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	30	30	55		71
Financing Receivable Modifications That Defaulted	345	415	666		992
PUERTO RICO | Consumer Loans Auto Financing Receivable [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	5	0	10		0
Financing Receivable Modifications That Defaulted	84	0	186		0
PUERTO RICO | Consumer Other Financing Receivable Member
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	0		0
Financing Receivable Modifications That Defaulted	0	0	0		0
UNITED STATES
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	0		1
Financing Receivable Modifications That Defaulted	0	0	0		1,139
UNITED STATES | Commercial Multi Family [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	0		0
Financing Receivable Modifications That Defaulted	0	0	0		0
UNITED STATES | Commercial Real Estate Non Owner Occupied [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	0		1
Financing Receivable Modifications That Defaulted	0	0	0		1,139
UNITED STATES | Commercial Real Estate Owner Occupied [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	0		0
Financing Receivable Modifications That Defaulted	0	0	0		0
UNITED STATES | Commercial And Industrial Loans [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	0		0
Financing Receivable Modifications That Defaulted	0	0	0		0
UNITED STATES | Commercial Real Estate Construction Financing Receivable Member
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	0		0
Financing Receivable Modifications That Defaulted	0	0	0		0
UNITED STATES | Mortgages [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	0		0
Financing Receivable Modifications That Defaulted	0	0	0		0
UNITED STATES | Legacy [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	0		0
Financing Receivable Modifications That Defaulted	0	0	0		0
UNITED STATES | Consumer Credit Card Financing Receivable [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	0		0
Financing Receivable Modifications That Defaulted	0	0	0		0
UNITED STATES | Home Equity Line of Credit [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	0		0
Financing Receivable Modifications That Defaulted	0	0	0		0
UNITED STATES | Personal [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	0		0
Financing Receivable Modifications That Defaulted	0	0	0		0
UNITED STATES | Consumer Loans Auto Financing Receivable [Member]
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	0		0
Financing Receivable Modifications That Defaulted	0	0	0		0
UNITED STATES | Consumer Other Financing Receivable Member
Troubled Debt Restructuring, Debtor, Current Period [Line Items]
Modifications Number of Contracts that Default	0	0	0		0
Financing Receivable Modifications That Defaulted	$ 0	$ 0	$ 0		$ 0

[1] Excludes loans for which the Corporation has entered into liquidation agreements with borrowers and guarantors and is accepting payments which differ from the contractual payment schedule. The Corporation considers these as defaulted loans and does not intent to return them to accrual status.