Loans - Loans held-in-portfolio in past due status, non-performing status and accruing loans past-due 90 days or more by loan class (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	$ 32,338,373	$ 32,077,769
Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	408,727	363,706
Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	117,088	139,856
Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	718,266	791,055
Non-accrual loans	412,383	439,441
Accruing loans past-due 90 days or more	305,883	351,614
Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,244,081	1,294,617
Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	31,094,292	30,783,152
Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	698,996	757,984
Construction | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	15,246	0
Construction | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	0
Construction | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	0
Non-accrual loans	0	0
Accruing loans past-due 90 days or more	0	0
Construction | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	15,246	0
Construction | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	683,750	757,984
Mortgages
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	7,405,907	7,397,471
Mortgages | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	205,228	239,057
Mortgages | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	83,228	97,715
Mortgages | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	530,471	600,481
Non-accrual loans	238,794	262,879
Accruing loans past-due 90 days or more	291,677	337,602
Mortgages | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	818,927	937,253
Mortgages | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	6,586,980	6,460,218
Commercial | Commercial multi-family
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	2,336,357	2,321,713
Commercial | Commercial multi-family | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	650	2,602
Commercial | Commercial multi-family | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	0
Commercial | Commercial multi-family | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	606	242
Non-accrual loans	606	242
Accruing loans past-due 90 days or more	0	0
Commercial | Commercial multi-family | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,256	2,844
Commercial | Commercial multi-family | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	2,335,101	2,318,869
Commercial | CRE non-owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	4,650,675	4,499,670
Commercial | CRE non-owner occupied | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	18,772	1,425
Commercial | CRE non-owner occupied | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,584	428
Commercial | CRE non-owner occupied | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	23,063	25,116
Non-accrual loans	23,063	25,116
Accruing loans past-due 90 days or more	0	0
Commercial | CRE non-owner occupied | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	43,419	26,969
Commercial | CRE non-owner occupied | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	4,607,256	4,472,701
Commercial | CRE owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	3,018,587	3,078,549
Commercial | CRE owner occupied | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	39,538	729
Commercial | CRE owner occupied | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	245
Commercial | CRE owner occupied | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	42,874	29,085
Non-accrual loans	42,874	29,085
Accruing loans past-due 90 days or more	0	0
Commercial | CRE owner occupied | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	82,412	30,059
Commercial | CRE owner occupied | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	2,936,175	3,048,490
Commercial | Commercial and Industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	5,999,642	5,839,200
Commercial | Commercial and Industrial | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	31,713	15,996
Commercial | Commercial and Industrial | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	796	3,146
Commercial | Commercial and Industrial | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	37,417	40,462
Non-accrual loans	35,457	38,596
Accruing loans past-due 90 days or more	1,960	1,866
Commercial | Commercial and Industrial | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	69,926	59,604
Commercial | Commercial and Industrial | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	5,929,716	5,779,596
Leasing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,614,344	1,585,739
Leasing | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	12,301	11,983
Leasing | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	2,605	3,563
Leasing | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	6,103	5,941
Non-accrual loans	6,103	5,941
Accruing loans past-due 90 days or more	0	0
Leasing | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	21,009	21,487
Leasing | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,593,335	1,564,252
Consumer | Credit card
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,046,196	1,041,870
Consumer | Credit card | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	7,162	7,106
Consumer | Credit card | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	5,823	5,049
Consumer | Credit card | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	12,061	11,910
Non-accrual loans	0	0
Accruing loans past-due 90 days or more	12,061	11,910
Consumer | Credit card | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	25,046	24,065
Consumer | Credit card | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,021,150	1,017,805
Consumer | Home equity lines of credit
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	69,887	71,916
Consumer | Home equity lines of credit | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	496	413
Consumer | Home equity lines of credit | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	70	161
Consumer | Home equity lines of credit | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	4,618	4,110
Non-accrual loans	4,618	4,110
Accruing loans past-due 90 days or more	0	0
Consumer | Home equity lines of credit | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	5,184	4,684
Consumer | Home equity lines of credit | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	64,703	67,232
Consumer | Personal loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,841,069	1,823,579
Consumer | Personal loans | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	16,031	15,040
Consumer | Personal loans | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	10,249	10,219
Consumer | Personal loans | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	19,932	20,040
Non-accrual loans	19,917	20,040
Accruing loans past-due 90 days or more	15	0
Consumer | Personal loans | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	46,212	45,299
Consumer | Personal loans | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,794,857	1,778,280
Consumer | Auto Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	3,517,940	3,512,530
Consumer | Auto Loan | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	60,324	68,868
Consumer | Auto Loan | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	12,684	19,243
Consumer | Auto Loan | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	39,516	40,978
Non-accrual loans	39,516	40,978
Accruing loans past-due 90 days or more	0	0
Consumer | Auto Loan | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	112,524	129,089
Consumer | Auto Loan | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	3,405,416	3,383,441
Consumer | Other
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	138,773	147,548
Consumer | Other | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,266	487
Consumer | Other | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	49	87
Consumer | Other | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,605	12,690
Non-accrual loans	1,435	12,454
Accruing loans past-due 90 days or more	170	236
Consumer | Other | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	2,920	13,264
Consumer | Other | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	135,853	134,284
Puerto Rico
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	22,806,512	22,546,905
Puerto Rico | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	329,269	329,733
Puerto Rico | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	114,257	130,189
Puerto Rico | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	684,617	753,257
Non-accrual loans	378,979	402,009
Accruing loans past-due 90 days or more	305,638	351,248
Puerto Rico | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,128,143	1,213,179
Puerto Rico | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	21,678,369	21,333,726
Puerto Rico | Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	155,349	147,041
Puerto Rico | Construction | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	8,081	0
Puerto Rico | Construction | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	0
Puerto Rico | Construction | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	0
Non-accrual loans	0	0
Accruing loans past-due 90 days or more	0	0
Puerto Rico | Construction | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	8,081	0
Puerto Rico | Construction | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	147,268	147,041
Puerto Rico | Mortgages
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	6,116,684	6,110,279
Puerto Rico | Mortgages | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	183,187	222,926
Puerto Rico | Mortgages | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	81,729	91,881
Puerto Rico | Mortgages | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	515,752	579,993
Non-accrual loans	224,075	242,391
Accruing loans past-due 90 days or more	291,677	337,602
Puerto Rico | Mortgages | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	780,668	894,800
Puerto Rico | Mortgages | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	5,336,016	5,215,479
Puerto Rico | Commercial | Commercial multi-family
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	292,806	281,373
Puerto Rico | Commercial | Commercial multi-family | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	650	425
Puerto Rico | Commercial | Commercial multi-family | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	0
Puerto Rico | Commercial | Commercial multi-family | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	185	242
Non-accrual loans	185	242
Accruing loans past-due 90 days or more	0	0
Puerto Rico | Commercial | Commercial multi-family | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	835	667
Puerto Rico | Commercial | Commercial multi-family | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	291,971	280,706
Puerto Rico | Commercial | CRE non-owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	2,885,483	2,757,327
Puerto Rico | Commercial | CRE non-owner occupied | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	2,739	941
Puerto Rico | Commercial | CRE non-owner occupied | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,584	428
Puerto Rico | Commercial | CRE non-owner occupied | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	22,856	23,662
Non-accrual loans	22,856	23,662
Accruing loans past-due 90 days or more	0	0
Puerto Rico | Commercial | CRE non-owner occupied | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	27,179	25,031
Puerto Rico | Commercial | CRE non-owner occupied | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	2,858,304	2,732,296
Puerto Rico | Commercial | CRE owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,497,503	1,588,056
Puerto Rico | Commercial | CRE owner occupied | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	21,496	729
Puerto Rico | Commercial | CRE owner occupied | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	245
Puerto Rico | Commercial | CRE owner occupied | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	37,779	23,990
Non-accrual loans	37,779	23,990
Accruing loans past-due 90 days or more	0	0
Puerto Rico | Commercial | CRE owner occupied | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	59,275	24,964
Puerto Rico | Commercial | CRE owner occupied | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,438,228	1,563,092
Puerto Rico | Commercial | Commercial and Industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	3,934,433	3,796,508
Puerto Rico | Commercial | Commercial and Industrial | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	17,934	3,036
Puerto Rico | Commercial | Commercial and Industrial | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	793	941
Puerto Rico | Commercial | Commercial and Industrial | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	31,847	35,777
Non-accrual loans	30,132	34,277
Accruing loans past-due 90 days or more	1,715	1,500
Puerto Rico | Commercial | Commercial and Industrial | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	50,574	39,754
Puerto Rico | Commercial | Commercial and Industrial | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	3,883,859	3,756,754
Puerto Rico | Leasing
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,614,344	1,585,739
Puerto Rico | Leasing | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	12,301	11,983
Puerto Rico | Leasing | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	2,605	3,563
Puerto Rico | Leasing | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	6,103	5,941
Non-accrual loans	6,103	5,941
Accruing loans past-due 90 days or more	0	0
Puerto Rico | Leasing | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	21,009	21,487
Puerto Rico | Leasing | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,593,335	1,564,252
Puerto Rico | Consumer | Credit card
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,046,175	1,041,831
Puerto Rico | Consumer | Credit card | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	7,162	7,106
Puerto Rico | Consumer | Credit card | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	5,823	5,049
Puerto Rico | Consumer | Credit card | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	12,061	11,910
Non-accrual loans	0	0
Accruing loans past-due 90 days or more	12,061	11,910
Puerto Rico | Consumer | Credit card | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	25,046	24,065
Puerto Rico | Consumer | Credit card | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,021,129	1,017,766
Puerto Rico | Consumer | Home equity lines of credit
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	2,865	2,954
Puerto Rico | Consumer | Home equity lines of credit | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	0
Puerto Rico | Consumer | Home equity lines of credit | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	0
Puerto Rico | Consumer | Home equity lines of credit | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	0
Non-accrual loans	0	0
Accruing loans past-due 90 days or more	0	0
Puerto Rico | Consumer | Home equity lines of credit | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	0
Puerto Rico | Consumer | Home equity lines of credit | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	2,865	2,954
Puerto Rico | Consumer | Personal loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,612,918	1,585,687
Puerto Rico | Consumer | Personal loans | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	14,131	13,232
Puerto Rico | Consumer | Personal loans | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	8,990	8,752
Puerto Rico | Consumer | Personal loans | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	17,427	18,082
Non-accrual loans	17,412	18,082
Accruing loans past-due 90 days or more	15	0
Puerto Rico | Consumer | Personal loans | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	40,548	40,066
Puerto Rico | Consumer | Personal loans | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,572,370	1,545,621
Puerto Rico | Consumer | Auto Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	3,517,940	3,512,530
Puerto Rico | Consumer | Auto Loan | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	60,324	68,868
Puerto Rico | Consumer | Auto Loan | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	12,684	19,243
Puerto Rico | Consumer | Auto Loan | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	39,516	40,978
Non-accrual loans	39,516	40,978
Accruing loans past-due 90 days or more	0	0
Puerto Rico | Consumer | Auto Loan | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	112,524	129,089
Puerto Rico | Consumer | Auto Loan | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	3,405,416	3,383,441
Puerto Rico | Consumer | Other
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	130,012	137,580
Puerto Rico | Consumer | Other | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,264	487
Puerto Rico | Consumer | Other | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	49	87
Puerto Rico | Consumer | Other | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,091	12,682
Non-accrual loans	921	12,446
Accruing loans past-due 90 days or more	170	236
Puerto Rico | Consumer | Other | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	2,404	13,256
Puerto Rico | Consumer | Other | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	127,608	124,324
Popular U.S.
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	9,531,861	9,530,864
Popular U.S. | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	79,458	33,973
Popular U.S. | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	2,831	9,667
Popular U.S. | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	33,649	37,798
Non-accrual loans	33,404	37,432
Accruing loans past-due 90 days or more	245	366
Popular U.S. | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	115,938	81,438
Popular U.S. | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	9,415,923	9,449,426
Popular U.S. | Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	543,647	610,943
Popular U.S. | Construction | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	7,165	0
Popular U.S. | Construction | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	0
Popular U.S. | Construction | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	0
Non-accrual loans	0	0
Accruing loans past-due 90 days or more	0	0
Popular U.S. | Construction | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	7,165	0
Popular U.S. | Construction | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	536,482	610,943
Popular U.S. | Mortgages
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,289,223	1,287,192
Popular U.S. | Mortgages | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	22,041	16,131
Popular U.S. | Mortgages | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,499	5,834
Popular U.S. | Mortgages | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	14,719	20,488
Non-accrual loans	14,719	20,488
Accruing loans past-due 90 days or more	0	0
Popular U.S. | Mortgages | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	38,259	42,453
Popular U.S. | Mortgages | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,250,964	1,244,739
Popular U.S. | Commercial | Commercial multi-family
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	2,043,551	2,040,340
Popular U.S. | Commercial | Commercial multi-family | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	2,177
Popular U.S. | Commercial | Commercial multi-family | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	0
Popular U.S. | Commercial | Commercial multi-family | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	421	0
Non-accrual loans	421	0
Accruing loans past-due 90 days or more	0	0
Popular U.S. | Commercial | Commercial multi-family | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	421	2,177
Popular U.S. | Commercial | Commercial multi-family | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	2,043,130	2,038,163
Popular U.S. | Commercial | CRE non-owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,765,192	1,742,343
Popular U.S. | Commercial | CRE non-owner occupied | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	16,033	484
Popular U.S. | Commercial | CRE non-owner occupied | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	0
Popular U.S. | Commercial | CRE non-owner occupied | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	207	1,454
Non-accrual loans	207	1,454
Accruing loans past-due 90 days or more	0	0
Popular U.S. | Commercial | CRE non-owner occupied | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	16,240	1,938
Popular U.S. | Commercial | CRE non-owner occupied | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,748,952	1,740,405
Popular U.S. | Commercial | CRE owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,521,084	1,490,493
Popular U.S. | Commercial | CRE owner occupied | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	18,042	0
Popular U.S. | Commercial | CRE owner occupied | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	0
Popular U.S. | Commercial | CRE owner occupied | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	5,095	5,095
Non-accrual loans	5,095	5,095
Accruing loans past-due 90 days or more	0	0
Popular U.S. | Commercial | CRE owner occupied | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	23,137	5,095
Popular U.S. | Commercial | CRE owner occupied | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,497,947	1,485,398
Popular U.S. | Commercial | Commercial and Industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	2,065,209	2,042,692
Popular U.S. | Commercial | Commercial and Industrial | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	13,779	12,960
Popular U.S. | Commercial | Commercial and Industrial | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	3	2,205
Popular U.S. | Commercial | Commercial and Industrial | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	5,570	4,685
Non-accrual loans	5,325	4,319
Accruing loans past-due 90 days or more	245	366
Popular U.S. | Commercial | Commercial and Industrial | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	19,352	19,850
Popular U.S. | Commercial | Commercial and Industrial | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	2,045,857	2,022,842
Popular U.S. | Consumer | Credit card
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	21	39
Popular U.S. | Consumer | Credit card | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	0
Popular U.S. | Consumer | Credit card | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	0
Popular U.S. | Consumer | Credit card | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	0
Non-accrual loans	0	0
Accruing loans past-due 90 days or more	0	0
Popular U.S. | Consumer | Credit card | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	0
Popular U.S. | Consumer | Credit card | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	21	39
Popular U.S. | Consumer | Home equity lines of credit
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	67,022	68,962
Popular U.S. | Consumer | Home equity lines of credit | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	496	413
Popular U.S. | Consumer | Home equity lines of credit | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	70	161
Popular U.S. | Consumer | Home equity lines of credit | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	4,618	4,110
Non-accrual loans	4,618	4,110
Accruing loans past-due 90 days or more	0	0
Popular U.S. | Consumer | Home equity lines of credit | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	5,184	4,684
Popular U.S. | Consumer | Home equity lines of credit | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	61,838	64,278
Popular U.S. | Consumer | Personal loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	228,151	237,892
Popular U.S. | Consumer | Personal loans | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,900	1,808
Popular U.S. | Consumer | Personal loans | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	1,259	1,467
Popular U.S. | Consumer | Personal loans | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	2,505	1,958
Non-accrual loans	2,505	1,958
Accruing loans past-due 90 days or more	0	0
Popular U.S. | Consumer | Personal loans | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	5,664	5,233
Popular U.S. | Consumer | Personal loans | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	222,487	232,659
Popular U.S. | Consumer | Other
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	8,761	9,968
Popular U.S. | Consumer | Other | Past Due 30 To 59 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	2	0
Popular U.S. | Consumer | Other | Past Due 60 To 89 Days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	0	0
Popular U.S. | Consumer | Other | Past due 90 days or more
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	514	8
Non-accrual loans	514	8
Accruing loans past-due 90 days or more	0	0
Popular U.S. | Consumer | Other | Past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	516	8
Popular U.S. | Consumer | Other | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held in portfolio	$ 8,245	$ 9,960