Disclosures related to loans individually evaluated for impairment (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014		Dec. 31, 2013
Financing Receivable, Impaired [Line Items]
Related Allowance	$ 131,958		$ 103,799
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	177,393		274,245
Impaired Financing Receivable, with Related Allowance, Recorded Investment	773,756		655,416
Recorded Investment	951,149		929,661
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	235,666		363,398
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	819,715		710,837
Unpaid Principal Balance	1,055,381		1,074,235
Covered Under Loss Sharing Agreements With F D I C [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	4		293
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	3,598		8,108
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,586		12,837
Recorded Investment	5,184		20,945
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	8,679		10,063
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	1,586		17,538
Unpaid Principal Balance	10,265		27,601
PUERTO RICO
Financing Receivable, Impaired [Line Items]
Related Allowance	130,799		85,886
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	171,274		203,581
Impaired Financing Receivable, with Related Allowance, Recorded Investment	767,748		607,149
Recorded Investment	939,022		810,730
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	224,549		270,220
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	812,453		658,192
Unpaid Principal Balance	1,037,002		928,412
PUERTO RICO | Covered Under Loss Sharing Agreements With F D I C [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	4		293
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	3,598		8,108
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,586		12,837
Recorded Investment	5,184		20,945
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	8,679		10,063
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	1,586		17,538
Unpaid Principal Balance	10,265		27,601
UNITED STATES | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	1,159	[1]	17,913
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	6,119	[1]	70,664
Impaired Financing Receivable, with Related Allowance, Recorded Investment	6,008	[1]	48,267
Recorded Investment	12,127	[1]	118,931
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	11,117	[1]	93,178
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	7,262	[1]	52,645
Unpaid Principal Balance	18,379	[1]	145,823
Commercial Multi Family [Member] | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0		0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0		11,073
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0		0
Recorded Investment	0		11,073
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0		17,812
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0		0
Unpaid Principal Balance	0		17,812
Commercial Multi Family [Member] | PUERTO RICO | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0		0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0		3,405
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0		0
Recorded Investment	0		3,405
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0		6,942
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0		0
Unpaid Principal Balance	0		6,942
Commercial Multi Family [Member] | UNITED STATES | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	[1]	0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	[1]	7,668
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	[1]	0
Recorded Investment	0	[1]	7,668
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	[1]	10,870
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	[1]	0
Unpaid Principal Balance	0	[1]	10,870
Commercial Real Estate Non Owner Occupied [Member] | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	6,904		2,368
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	32,263		74,261
Impaired Financing Receivable, with Related Allowance, Recorded Investment	38,079		19,120
Recorded Investment	70,342		93,381
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	37,408		92,790
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	38,446		19,407
Unpaid Principal Balance	75,854		112,197
Commercial Real Estate Non Owner Occupied [Member] | PUERTO RICO | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	6,904		2,368
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	32,263		47,245
Impaired Financing Receivable, with Related Allowance, Recorded Investment	38,079		19,120
Recorded Investment	70,342		66,365
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	37,408		55,397
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	38,446		19,407
Unpaid Principal Balance	75,854		74,804
Commercial Real Estate Non Owner Occupied [Member] | UNITED STATES | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	[1]	0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	[1]	27,016
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	[1]	0
Recorded Investment	0	[1]	27,016
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	[1]	37,393
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	[1]	0
Unpaid Principal Balance	0	[1]	37,393
Commercial Real Estate Owner Occupied [Member] | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	11,836		6,473
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	37,948		49,373
Impaired Financing Receivable, with Related Allowance, Recorded Investment	91,084		55,826
Recorded Investment	129,032		105,199
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	44,422		67,455
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	111,873		74,420
Unpaid Principal Balance	156,295		141,875
Commercial Real Estate Owner Occupied [Member] | PUERTO RICO | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	11,836		6,473
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	37,948		33,749
Impaired Financing Receivable, with Related Allowance, Recorded Investment	91,084		55,826
Recorded Investment	129,032		89,575
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	44,422		47,545
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	111,873		74,420
Unpaid Principal Balance	156,295		121,965
Commercial Real Estate Owner Occupied [Member] | UNITED STATES | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	[1]	0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	[1]	15,624
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	[1]	0
Recorded Investment	0	[1]	15,624
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	[1]	19,910
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	[1]	0
Unpaid Principal Balance	0	[1]	19,910
Commercial And Industrial Loans [Member] | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	46,010		7,568
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	16,801		57,493
Impaired Financing Receivable, with Related Allowance, Recorded Investment	157,326		30,370
Recorded Investment	174,127		87,863
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	20,494		69,969
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	159,655		33,152
Unpaid Principal Balance	180,149		103,121
Commercial And Industrial Loans [Member] | PUERTO RICO | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	46,010		7,568
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	16,349		55,665
Impaired Financing Receivable, with Related Allowance, Recorded Investment	157,326		30,370
Recorded Investment	173,675		86,035
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	20,042		68,141
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	159,655		33,152
Unpaid Principal Balance	179,697		101,293
Commercial And Industrial Loans [Member] | UNITED STATES | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	[1]	0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	452	[1]	1,828
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	[1]	0
Recorded Investment	452	[1]	1,828
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	452	[1]	1,828
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	[1]	0
Unpaid Principal Balance	452	[1]	1,828
Commercial Real Estate Construction Financing Receivable Member | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	133		177
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	17,071		20,162
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,823		2,324
Recorded Investment	18,894		22,486
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	38,421		42,614
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	4,280		9,047
Unpaid Principal Balance	42,701		51,661
Commercial Real Estate Construction Financing Receivable Member | PUERTO RICO | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	133		177
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	17,071		14,499
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,823		2,324
Recorded Investment	18,894		16,823
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	38,421		36,951
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	4,280		9,047
Unpaid Principal Balance	42,701		45,998
Commercial Real Estate Construction Financing Receivable Member | UNITED STATES | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	[1]	0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	[1]	5,663
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	[1]	0
Recorded Investment	0	[1]	5,663
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	[1]	5,663
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	[1]	0
Unpaid Principal Balance	0	[1]	5,663
Mortgages [Member] | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	38,207		55,667
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	67,401		47,444
Impaired Financing Receivable, with Related Allowance, Recorded Investment	364,319		404,629
Recorded Investment	431,720		452,073
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	82,241		53,694
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	384,336		426,963
Unpaid Principal Balance	466,577		480,657
Mortgages [Member] | PUERTO RICO | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	37,491		38,034
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	64,045		40,910
Impaired Financing Receivable, with Related Allowance, Recorded Investment	360,291		358,437
Recorded Investment	424,336		399,347
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	75,577		45,181
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	379,054		376,393
Unpaid Principal Balance	454,631		421,574
Mortgages [Member] | UNITED STATES | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	716	[1]	17,633
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	3,356	[1]	6,534
Impaired Financing Receivable, with Related Allowance, Recorded Investment	4,028	[1]	46,192
Recorded Investment	7,384	[1]	52,726
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	6,664	[1]	8,513
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	5,282	[1]	50,570
Unpaid Principal Balance	11,946	[1]	59,083
Legacy [Member] | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0		0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	2,311		6,045
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0		0
Recorded Investment	2,311		6,045
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	4,001		8,715
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0		0
Unpaid Principal Balance	4,001		8,715
Legacy [Member] | UNITED STATES | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	[1]	0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	2,311	[1]	6,045
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	[1]	0
Recorded Investment	2,311	[1]	6,045
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	4,001	[1]	8,715
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	[1]	0
Unpaid Principal Balance	4,001	[1]	8,715
Finance Leases Portfolio Segment Member | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	698		1,053
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	2,709		2,893
Recorded Investment	2,709		2,893
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0		0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	2,709		2,893
Unpaid Principal Balance	2,709		2,893
Finance Leases Portfolio Segment Member | PUERTO RICO | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	698		1,053
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	2,709		2,893
Recorded Investment	2,709		2,893
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0		0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	2,709		2,893
Unpaid Principal Balance	2,709		2,893
Finance Leases Portfolio Segment Member | UNITED STATES | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	[1]	0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	[1]	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	[1]	0
Recorded Investment	0	[1]	0
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	[1]	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	[1]	0
Unpaid Principal Balance	0	[1]	0
Consumer Loan [Member] | Consumer Credit Card Financing Receivable [Member] | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	7,658		8,344
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	38,750		45,015
Recorded Investment	38,750		45,015
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0		0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	38,750		45,015
Unpaid Principal Balance	38,750		45,015
Consumer Loan [Member] | Consumer Credit Card Financing Receivable [Member] | PUERTO RICO | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	7,658		8,344
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	38,750		45,015
Recorded Investment	38,750		45,015
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0		0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	38,750		45,015
Unpaid Principal Balance	38,750		45,015
Consumer Loan [Member] | Consumer Credit Card Financing Receivable [Member] | UNITED STATES | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	[1]	0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	[1]	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	[1]	0
Recorded Investment	0	[1]	0
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	[1]	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	[1]	0
Unpaid Principal Balance	0	[1]	0
Consumer Loan [Member] | Home Equity Line of Credit [Member] | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	441		0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0		198
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,892		0
Recorded Investment	1,892		198
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0		198
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	1,892		0
Unpaid Principal Balance	1,892		198
Consumer Loan [Member] | Home Equity Line of Credit [Member] | PUERTO RICO | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0		0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0		0
Recorded Investment	0		0
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0		0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0		0
Unpaid Principal Balance	0		0
Consumer Loan [Member] | Home Equity Line of Credit [Member] | UNITED STATES | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	441	[1]	0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	[1]	198
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,892	[1]	0
Recorded Investment	1,892	[1]	198
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	[1]	198
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	1,892	[1]	0
Unpaid Principal Balance	1,892	[1]	198
Consumer Loan [Member] | Personal [Member] | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	19,612		21,313
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	72,827		78,475
Recorded Investment	72,827		78,475
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0		0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	72,827		78,475
Unpaid Principal Balance	72,827		78,475
Consumer Loan [Member] | Personal [Member] | PUERTO RICO | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	19,612		21,313
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	72,827		78,475
Recorded Investment	72,827		78,475
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0		0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	72,827		78,475
Unpaid Principal Balance	72,827		78,475
Consumer Loan [Member] | Personal [Member] | UNITED STATES | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	[1]	0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	[1]	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	[1]	0
Recorded Investment	0	[1]	0
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	[1]	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	[1]	0
Unpaid Principal Balance	0	[1]	0
Consumer Loan [Member] | Consumer Loans Auto Financing Receivable [Member] | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	243		171
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0		88
Impaired Financing Receivable, with Related Allowance, Recorded Investment	2,315		1,354
Recorded Investment	2,315		1,442
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0		88
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	2,315		1,354
Unpaid Principal Balance	2,315		1,442
Consumer Loan [Member] | Consumer Loans Auto Financing Receivable [Member] | PUERTO RICO | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	243		171
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	2,315		1,354
Recorded Investment	2,315		1,354
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0		0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	2,315		1,354
Unpaid Principal Balance	2,315		1,354
Consumer Loan [Member] | Consumer Loans Auto Financing Receivable [Member] | UNITED STATES | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	[1]	0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	[1]	88
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	[1]	0
Recorded Investment	0	[1]	88
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	[1]	88
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	[1]	0
Unpaid Principal Balance	0	[1]	88
Consumer Loan [Member] | Consumer Other Financing Receivable Member | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	212		372
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,046		2,573
Recorded Investment	1,046		2,573
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0		0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	1,046		2,573
Unpaid Principal Balance	1,046		2,573
Consumer Loan [Member] | Consumer Other Financing Receivable Member | PUERTO RICO | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	210		92
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	958		498
Recorded Investment	958		498
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0		0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	958		498
Unpaid Principal Balance	958		498
Consumer Loan [Member] | Consumer Other Financing Receivable Member | UNITED STATES | Non Covered Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	2	[1]	280
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	[1]	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	88	[1]	2,075
Recorded Investment	88	[1]	2,075
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	[1]	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	88	[1]	2,075
Unpaid Principal Balance	$ 88	[1]	$ 2,075

[1] Excludes impaired loans from discontinued operations.