Note Allowance for loan losses (Credit quality indicators of non-covered loans held-in-portfolio based obligor risk ratings) (Detail) $ in Thousands		Mar. 31, 2017 USD ($)		Dec. 31, 2016 USD ($)
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 22,734,721	[1],[2]	$ 22,773,747	[3],[4]
Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		987,652		851,514
Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		679,184		653,338
Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		1,395,767		1,404,885
Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		29,041		29,457
Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		6,707		3,460
Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		3,098,351		2,942,654
Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		19,636,370		19,831,093
Commercial multi-family
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		1,255,424		1,238,836
Commercial multi-family | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		18,316		15,553
Commercial multi-family | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		8,120		8,179
Commercial multi-family | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		6,588		6,766
Commercial multi-family | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Commercial multi-family | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Commercial multi-family | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		33,024		30,498
Commercial multi-family | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		1,222,400		1,208,338
CRE non-owner occupied
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		3,961,804		3,921,601
CRE non-owner occupied | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		400,688		367,621
CRE non-owner occupied | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		384,428		387,636
CRE non-owner occupied | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		351,045		343,774
CRE non-owner occupied | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		133		155
CRE non-owner occupied | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
CRE non-owner occupied | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		1,136,294		1,099,186
CRE non-owner occupied | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		2,825,510		2,822,415
CRE owner occupied
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		1,981,133		2,035,220
CRE owner occupied | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		297,330		319,755
CRE owner occupied | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		129,905		109,873
CRE owner occupied | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		365,909		370,060
CRE owner occupied | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		17,749		17,788
CRE owner occupied | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
CRE owner occupied | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		810,893		817,476
CRE owner occupied | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		1,170,240		1,217,744
Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		3,613,339		3,602,850
Commercial and industrial | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		262,063		139,139
Commercial and industrial | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		150,743		134,207
Commercial and industrial | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		359,646		381,153
Commercial and industrial | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		11,159		11,514
Commercial and industrial | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		10		12
Commercial and industrial | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		783,621		666,025
Commercial and industrial | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		2,829,718		2,936,825
Commercial
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		10,811,700		10,798,507
Commercial | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		978,397		842,068
Commercial | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		673,196		639,895
Commercial | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		1,083,188		1,101,753
Commercial | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		29,041		29,457
Commercial | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		10		12
Commercial | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		2,763,832		2,613,185
Commercial | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		8,047,868		8,185,322
Construction
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		831,305		776,300
Construction | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		3,066		3,050
Construction | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		3,176		9,858
Construction | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		27,890		18,618
Construction | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Construction | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Construction | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		34,132		31,526
Construction | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		797,173		744,774
Mortgages
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		6,627,987		6,696,361
Mortgages | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		4,187		4,407
Mortgages | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		1,664		1,987
Mortgages | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		204,171		201,801
Mortgages | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Mortgages | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Mortgages | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		210,022		208,195
Mortgages | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		6,417,965		6,488,166
Legacy
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[5]	40,688		45,293
Legacy | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		856		921
Legacy | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		549		786
Legacy | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		4,195		4,400
Legacy | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Legacy | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Legacy | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		5,600		6,107
Legacy | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		35,088		39,186
Leasing
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		719,643		702,893
Leasing | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Leasing | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Leasing | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		2,427		3,062
Leasing | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Leasing | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		17		0
Leasing | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		2,444		3,062
Leasing | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		717,199		699,831
Consumer
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		3,703,398		3,754,393
Consumer | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		1,146		1,068
Consumer | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		599		812
Consumer | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		73,896		75,251
Consumer | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Consumer | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		6,680		3,448
Consumer | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		82,321		80,579
Consumer | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		3,621,077		3,673,814
Credit cards
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		1,078,641		1,100,765
Credit cards | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Credit cards | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Credit cards | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		19,365		18,755
Credit cards | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Credit cards | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Credit cards | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		19,365		18,755
Credit cards | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		1,059,276		1,082,010
Home equity lines of credit
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		244,794		260,526
Home equity lines of credit | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Home equity lines of credit | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Home equity lines of credit | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		2,848		2,108
Home equity lines of credit | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Home equity lines of credit | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		3,525		2,839
Home equity lines of credit | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		6,373		4,947
Home equity lines of credit | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		238,421		255,579
Personal
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		1,382,662		1,390,784
Personal | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		1,146		1,068
Personal | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		599		812
Personal | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		21,609		22,748
Personal | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Personal | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		950		609
Personal | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		24,304		25,237
Personal | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		1,358,358		1,365,547
Auto
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		828,966		826,601
Auto | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Auto | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Auto | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		12,484		12,321
Auto | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Auto | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		201		0
Auto | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		12,685		12,321
Auto | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		816,281		814,280
Other
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		168,335		175,717
Other | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Other | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Other | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		17,590		19,319
Other | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
Other | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		2,004		0
Other | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		19,594		19,319
Other | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		148,741		156,398
PUERTO RICO
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	16,976,229		17,168,424
PUERTO RICO | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	873,101		764,626
PUERTO RICO | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	651,329		625,888
PUERTO RICO | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	1,184,842		1,203,321
PUERTO RICO | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	29,041		29,457
PUERTO RICO | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	2,232		12
PUERTO RICO | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	2,740,545		2,623,304
PUERTO RICO | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	14,235,684		14,545,120
PUERTO RICO | Commercial multi-family
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	146,852		174,540
PUERTO RICO | Commercial multi-family | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	2,231		2,016
PUERTO RICO | Commercial multi-family | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	371		383
PUERTO RICO | Commercial multi-family | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	$ 5,943		$ 6,108
Weighted average obligor risk rating	[6]	11.11		11.12
PUERTO RICO | Commercial multi-family | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	$ 0		$ 0
PUERTO RICO | Commercial multi-family | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	0		0
PUERTO RICO | Commercial multi-family | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	8,545		8,507
PUERTO RICO | Commercial multi-family | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	$ 138,307		$ 166,033
Weighted average obligor risk rating	[6]	6.13		5.95
PUERTO RICO | CRE non-owner occupied
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	$ 2,513,595		$ 2,564,285
PUERTO RICO | CRE non-owner occupied | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	322,673		310,510
PUERTO RICO | CRE non-owner occupied | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	367,288		377,858
PUERTO RICO | CRE non-owner occupied | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	$ 348,580		$ 342,054
Weighted average obligor risk rating	[6]	11.07		11.07
PUERTO RICO | CRE non-owner occupied | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	$ 133		$ 155
PUERTO RICO | CRE non-owner occupied | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	0		0
PUERTO RICO | CRE non-owner occupied | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	1,038,674		1,030,577
PUERTO RICO | CRE non-owner occupied | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	$ 1,474,921		$ 1,533,708
Weighted average obligor risk rating	[6]	6.89		6.91
PUERTO RICO | CRE owner occupied
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	$ 1,738,278		$ 1,791,475
PUERTO RICO | CRE owner occupied | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	281,761		310,484
PUERTO RICO | CRE owner occupied | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	129,010		109,873
PUERTO RICO | CRE owner occupied | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	$ 356,280		$ 360,941
Weighted average obligor risk rating	[6]	11.23		11.23
PUERTO RICO | CRE owner occupied | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	$ 17,749		$ 17,788
PUERTO RICO | CRE owner occupied | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	0		0
PUERTO RICO | CRE owner occupied | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	784,800		799,086
PUERTO RICO | CRE owner occupied | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	$ 953,478		$ 992,389
Weighted average obligor risk rating	[6]	7.08		7.09
PUERTO RICO | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	$ 2,665,605		$ 2,671,917
PUERTO RICO | Commercial and industrial | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	261,003		136,091
PUERTO RICO | Commercial and industrial | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	149,306		133,270
PUERTO RICO | Commercial and industrial | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	$ 207,528		$ 227,360
Weighted average obligor risk rating	[6]	11.14		11.09
PUERTO RICO | Commercial and industrial | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	$ 11,159		$ 11,514
PUERTO RICO | Commercial and industrial | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	10		12
PUERTO RICO | Commercial and industrial | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	629,006		508,247
PUERTO RICO | Commercial and industrial | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	$ 2,036,599		$ 2,163,670
Weighted average obligor risk rating	[6]	7.14		7.19
PUERTO RICO | Commercial
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	$ 7,064,330		$ 7,202,217
PUERTO RICO | Commercial | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	867,668		759,101
PUERTO RICO | Commercial | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	645,975		621,384
PUERTO RICO | Commercial | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	$ 918,331		$ 936,463
Weighted average obligor risk rating	[6]	11.15		11.14
PUERTO RICO | Commercial | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	$ 29,041		$ 29,457
PUERTO RICO | Commercial | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	10		12
PUERTO RICO | Commercial | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	2,461,025		2,346,417
PUERTO RICO | Commercial | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	$ 4,603,305		$ 4,855,800
Weighted average obligor risk rating	[6]	7.03		7.06
PUERTO RICO | Construction
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 95,459		$ 85,558
PUERTO RICO | Construction | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		100		50
PUERTO RICO | Construction | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		3,091		1,705
PUERTO RICO | Construction | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 1,668		$ 1,668
Weighted average obligor risk rating		11		11
PUERTO RICO | Construction | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 0		$ 0
PUERTO RICO | Construction | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
PUERTO RICO | Construction | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		4,859		3,423
PUERTO RICO | Construction | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 90,600		$ 82,135
Weighted average obligor risk rating		7.65		7.67
PUERTO RICO | Mortgages
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	$ 5,869,718		$ 5,916,500
PUERTO RICO | Mortgages | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	4,187		4,407
PUERTO RICO | Mortgages | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	1,664		1,987
PUERTO RICO | Mortgages | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	192,283		190,090
PUERTO RICO | Mortgages | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	0		0
PUERTO RICO | Mortgages | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	0		0
PUERTO RICO | Mortgages | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	198,134		196,484
PUERTO RICO | Mortgages | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	5,671,584		5,720,016
PUERTO RICO | Leasing
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	719,643		702,893
PUERTO RICO | Leasing | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	0		0
PUERTO RICO | Leasing | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	0		0
PUERTO RICO | Leasing | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	2,427		3,062
PUERTO RICO | Leasing | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	0		0
PUERTO RICO | Leasing | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	17		0
PUERTO RICO | Leasing | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	2,444		3,062
PUERTO RICO | Leasing | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	717,199		699,831
PUERTO RICO | Consumer
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	3,227,079		3,261,256
PUERTO RICO | Consumer | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	1,146		1,068
PUERTO RICO | Consumer | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	599		812
PUERTO RICO | Consumer | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	70,133		72,038
PUERTO RICO | Consumer | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	0		0
PUERTO RICO | Consumer | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	2,205		0
PUERTO RICO | Consumer | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	74,083		73,918
PUERTO RICO | Consumer | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	3,152,996		3,187,338
PUERTO RICO | Credit cards
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		1,078,484		1,100,607
PUERTO RICO | Credit cards | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
PUERTO RICO | Credit cards | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
PUERTO RICO | Credit cards | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		19,330		18,725
PUERTO RICO | Credit cards | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
PUERTO RICO | Credit cards | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
PUERTO RICO | Credit cards | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		19,330		18,725
PUERTO RICO | Credit cards | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		1,059,154		1,081,882
PUERTO RICO | Home equity lines of credit
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	8,149		8,351
PUERTO RICO | Home equity lines of credit | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	0		0
PUERTO RICO | Home equity lines of credit | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	0		0
PUERTO RICO | Home equity lines of credit | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	572		185
PUERTO RICO | Home equity lines of credit | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	0		0
PUERTO RICO | Home equity lines of credit | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	0		0
PUERTO RICO | Home equity lines of credit | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	572		185
PUERTO RICO | Home equity lines of credit | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	7,577		8,166
PUERTO RICO | Personal
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	1,143,335		1,150,177
PUERTO RICO | Personal | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	1,146		1,068
PUERTO RICO | Personal | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	599		812
PUERTO RICO | Personal | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	20,157		21,496
PUERTO RICO | Personal | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	0		0
PUERTO RICO | Personal | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	0		0
PUERTO RICO | Personal | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	21,902		23,376
PUERTO RICO | Personal | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	[6]	1,121,433		1,126,801
PUERTO RICO | Auto
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		828,959		826,592
PUERTO RICO | Auto | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
PUERTO RICO | Auto | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
PUERTO RICO | Auto | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		12,484		12,321
PUERTO RICO | Auto | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
PUERTO RICO | Auto | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		201		0
PUERTO RICO | Auto | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		12,685		12,321
PUERTO RICO | Auto | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		816,274		814,271
PUERTO RICO | Other
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		168,152		175,529
PUERTO RICO | Other | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
PUERTO RICO | Other | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
PUERTO RICO | Other | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		17,590		19,311
PUERTO RICO | Other | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
PUERTO RICO | Other | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		2,004		0
PUERTO RICO | Other | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		19,594		19,311
PUERTO RICO | Other | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		148,558		156,218
UNITED STATES
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		5,758,492		5,605,323
UNITED STATES | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		114,551		86,888
UNITED STATES | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		27,855		27,450
UNITED STATES | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		210,925		201,564
UNITED STATES | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		4,475		3,448
UNITED STATES | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		357,806		319,350
UNITED STATES | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		5,400,686		5,285,973
UNITED STATES | Commercial multi-family
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		1,108,572		1,064,296
UNITED STATES | Commercial multi-family | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		16,085		13,537
UNITED STATES | Commercial multi-family | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		7,749		7,796
UNITED STATES | Commercial multi-family | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 645		$ 658
Weighted average obligor risk rating		11.31		11.31
UNITED STATES | Commercial multi-family | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 0		$ 0
UNITED STATES | Commercial multi-family | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Commercial multi-family | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		24,479		21,991
UNITED STATES | Commercial multi-family | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 1,084,093		$ 1,042,305
Weighted average obligor risk rating		7.22		7.26
UNITED STATES | CRE non-owner occupied
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 1,448,209		$ 1,357,316
UNITED STATES | CRE non-owner occupied | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		78,015		57,111
UNITED STATES | CRE non-owner occupied | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		17,140		9,778
UNITED STATES | CRE non-owner occupied | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 2,465		$ 1,720
Weighted average obligor risk rating		11.66		11.7
UNITED STATES | CRE non-owner occupied | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 0		$ 0
UNITED STATES | CRE non-owner occupied | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | CRE non-owner occupied | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		97,620		68,609
UNITED STATES | CRE non-owner occupied | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 1,350,589		$ 1,288,707
Weighted average obligor risk rating		6.65		6.67
UNITED STATES | CRE owner occupied
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 242,855		$ 243,745
UNITED STATES | CRE owner occupied | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		15,569		9,271
UNITED STATES | CRE owner occupied | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		895		0
UNITED STATES | CRE owner occupied | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 9,629		$ 9,119
Weighted average obligor risk rating		11.11		11.05
UNITED STATES | CRE owner occupied | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 0		$ 0
UNITED STATES | CRE owner occupied | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | CRE owner occupied | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		26,093		18,390
UNITED STATES | CRE owner occupied | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 216,762		$ 225,355
Weighted average obligor risk rating		7.24		7.32
UNITED STATES | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 947,734		$ 930,933
UNITED STATES | Commercial and industrial | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		1,060		3,048
UNITED STATES | Commercial and industrial | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		1,437		937
UNITED STATES | Commercial and industrial | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 152,118		$ 153,793
Weighted average obligor risk rating		11.67		11.65
UNITED STATES | Commercial and industrial | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 0		$ 0
UNITED STATES | Commercial and industrial | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Commercial and industrial | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		154,615		157,778
UNITED STATES | Commercial and industrial | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 793,119		$ 773,155
Weighted average obligor risk rating		6.12		6.15
UNITED STATES | Commercial
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 3,747,370		$ 3,596,290
UNITED STATES | Commercial | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		110,729		82,967
UNITED STATES | Commercial | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		27,221		18,511
UNITED STATES | Commercial | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 164,857		$ 165,290
Weighted average obligor risk rating		11.63		11.62
UNITED STATES | Commercial | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 0		$ 0
UNITED STATES | Commercial | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Commercial | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		302,807		266,768
UNITED STATES | Commercial | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 3,444,563		$ 3,329,522
Weighted average obligor risk rating		6.75		6.78
UNITED STATES | Construction
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 735,846		$ 690,742
UNITED STATES | Construction | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		2,966		3,000
UNITED STATES | Construction | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		85		8,153
UNITED STATES | Construction | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 26,222		$ 16,950
Weighted average obligor risk rating		11		11
UNITED STATES | Construction | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 0		$ 0
UNITED STATES | Construction | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Construction | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		29,273		28,103
UNITED STATES | Construction | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 706,573		$ 662,639
Weighted average obligor risk rating		7.64		7.67
UNITED STATES | Mortgages
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 758,269		$ 779,861
UNITED STATES | Mortgages | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Mortgages | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Mortgages | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		11,888		11,711
UNITED STATES | Mortgages | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Mortgages | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Mortgages | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		11,888		11,711
UNITED STATES | Mortgages | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		746,381		768,150
UNITED STATES | Legacy
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		40,688		45,293
UNITED STATES | Legacy | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		856		921
UNITED STATES | Legacy | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		549		786
UNITED STATES | Legacy | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 4,195		$ 4,400
Weighted average obligor risk rating		11.11		11.1
UNITED STATES | Legacy | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 0		$ 0
UNITED STATES | Legacy | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Legacy | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		5,600		6,107
UNITED STATES | Legacy | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 35,088		$ 39,186
Weighted average obligor risk rating		7.91		7.91
UNITED STATES | Consumer
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 476,319		$ 493,137
UNITED STATES | Consumer | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Consumer | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Consumer | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		3,763		3,213
UNITED STATES | Consumer | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Consumer | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		4,475		3,448
UNITED STATES | Consumer | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		8,238		6,661
UNITED STATES | Consumer | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		468,081		486,476
UNITED STATES | Credit cards
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		157		158
UNITED STATES | Credit cards | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Credit cards | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Credit cards | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		35		30
UNITED STATES | Credit cards | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Credit cards | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Credit cards | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		35		30
UNITED STATES | Credit cards | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		122		128
UNITED STATES | Home equity lines of credit
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		236,645		252,175
UNITED STATES | Home equity lines of credit | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Home equity lines of credit | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Home equity lines of credit | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		2,276		1,923
UNITED STATES | Home equity lines of credit | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Home equity lines of credit | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		3,525		2,839
UNITED STATES | Home equity lines of credit | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		5,801		4,762
UNITED STATES | Home equity lines of credit | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		230,844		247,413
UNITED STATES | Personal
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		239,327		240,607
UNITED STATES | Personal | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Personal | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Personal | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		1,452		1,252
UNITED STATES | Personal | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Personal | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		950		609
UNITED STATES | Personal | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		2,402		1,861
UNITED STATES | Personal | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		236,925		238,746
UNITED STATES | Auto
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		7		9
UNITED STATES | Auto | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Auto | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Auto | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Auto | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Auto | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Auto | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Auto | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		7		9
UNITED STATES | Other
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		183		188
UNITED STATES | Other | Watch
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Other | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Other | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		8
UNITED STATES | Other | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Other | Loss
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		0
UNITED STATES | Other | Sub-total
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		0		8
UNITED STATES | Other | Pass / Unrated
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income		$ 183		$ 180

[1] Includes $7.3 billion pledged to secure credit facilities and public funds that the secured parties are not permitted to sell or repledge the collateral, of which $4.5 billion were pledged at the Federal Home Loan Bank("FHLB") as collateral for borrowings, $2.3 billion at the Federal Reserve Bank ("FRB") for discount window borrowings and $0.5 billion serve as collateral for public funds.

[2] Non-covered loans held-in-portfolio are net of $124 million in unearned income and exclude $85 million in loans held-for-sale.

[3] Includes $7.3 billion pledged to secure credit facilities and public funds that the secured parties are not permitted to sell or repledge the collateral, of which $4.5 billion were pledged at the FHLB as collateral for borrowings, $2.3 billion at the FRB for discount window borrowings and $0.5 billion serve as collateral for public funds.

[4] Non-covered loans held-in-portfolio are net of $121 million in unearned income and exclude $89 million in loans held-for-sale.

[5] The legacy portfolio is comprised of commercial loans, construction loans and lease financings related to certain lending products exited by the Corporation as part of restructuring efforts carried out in prior years at the BPNA segment.

[6] Excludes covered loans acquired in the Westernbank FDIC-assisted transaction.