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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
Jun. 30, 2022
Dec. 31, 2021
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio $ 30,370,936 $ 29,240,557
Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 318,899 344,648
Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 126,999 117,801
Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 885,222 1,028,644
Non-accrual loans 477,924 547,877
Accruing loans past-due 90 days or more 407,298 480,767
Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,331,120 1,491,093
Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 29,039,816 27,749,464
Construction    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 790,920 716,220
Construction | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 498 0
Construction | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 7,000 0
Construction | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 0 485
Non-accrual loans 0 485
Accruing loans past-due 90 days or more 0 0
Construction | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 7,498 485
Construction | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 783,422 715,735
Mortgages    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 7,261,955 7,427,196
Mortgages | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 213,044 229,541
Mortgages | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 86,485 84,327
Mortgages | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 701,949 827,214
Non-accrual loans 304,862 355,856
Accruing loans past-due 90 days or more 397,087 471,358
Mortgages | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,001,478 1,141,082
Mortgages | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 6,260,477 6,286,114
Commercial | Commercial multi-family    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,132,373 1,962,630
Commercial | Commercial multi-family | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,992 4,140
Commercial | Commercial multi-family | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 187 0
Commercial | Commercial multi-family | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 534 272
Non-accrual loans 534 272
Accruing loans past-due 90 days or more 0 0
Commercial | Commercial multi-family | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,713 4,412
Commercial | Commercial multi-family | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,129,660 1,958,218
Commercial | CRE non-owner occupied    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 4,120,341 4,613,390
Commercial | CRE non-owner occupied | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,667 8,120
Commercial | CRE non-owner occupied | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 110 819
Commercial | CRE non-owner occupied | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 20,435 21,338
Non-accrual loans 20,435 21,338
Accruing loans past-due 90 days or more 0 0
Commercial | CRE non-owner occupied | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 22,212 30,277
Commercial | CRE non-owner occupied | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 4,098,129 4,583,113
Commercial | CRE owner occupied    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,873,561 1,818,102
Commercial | CRE owner occupied | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 5,038 4,424
Commercial | CRE owner occupied | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,860 278
Commercial | CRE owner occupied | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 33,571 55,348
Non-accrual loans 33,571 55,348
Accruing loans past-due 90 days or more 0 0
Commercial | CRE owner occupied | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 41,469 60,050
Commercial | CRE owner occupied | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,832,092 1,758,052
Commercial | Commercial and Industrial    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 5,419,026 5,338,579
Commercial | Commercial and Industrial | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 11,812 12,848
Commercial | Commercial and Industrial | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,563 4,407
Commercial | Commercial and Industrial | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 50,502 49,257
Non-accrual loans 49,399 48,621
Accruing loans past-due 90 days or more 1,103 636
Commercial | Commercial and Industrial | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 65,877 66,512
Commercial | Commercial and Industrial | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 5,353,149 5,272,067
Leasing    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,480,222 1,381,319
Leasing | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 9,970 9,240
Leasing | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,164 2,037
Leasing | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 4,665 3,102
Non-accrual loans 4,665 3,102
Accruing loans past-due 90 days or more 0 0
Leasing | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 16,799 14,379
Leasing | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,463,423 1,366,940
Consumer | Credit card    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 966,746 919,861
Consumer | Credit card | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 5,785 5,768
Consumer | Credit card | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 4,142 3,520
Consumer | Credit card | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 8,896 8,577
Non-accrual loans 0 0
Accruing loans past-due 90 days or more 8,896 8,577
Consumer | Credit card | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 18,823 17,865
Consumer | Credit card | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 947,923 901,996
Consumer | Home equity lines of credit    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 74,577 78,862
Consumer | Home equity lines of credit | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 303 117
Consumer | Home equity lines of credit | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 16 34
Consumer | Home equity lines of credit | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 4,705 5,429
Non-accrual loans 4,705 5,406
Accruing loans past-due 90 days or more 0 23
Consumer | Home equity lines of credit | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 5,024 5,580
Consumer | Home equity lines of credit | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 69,553 73,282
Consumer | Personal loans    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,622,413 1,443,005
Consumer | Personal loans | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 11,971 10,890
Consumer | Personal loans | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 6,513 6,646
Consumer | Personal loans | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 19,794 21,916
Non-accrual loans 19,794 21,916
Accruing loans past-due 90 days or more 0 0
Consumer | Personal loans | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 38,278 39,452
Consumer | Personal loans | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,584,135 1,403,553
Consumer | Auto Loan    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,489,976 3,412,187
Consumer | Auto Loan | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 56,577 59,128
Consumer | Auto Loan | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 13,815 15,019
Consumer | Auto Loan | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 28,045 23,085
Non-accrual loans 28,045 23,085
Accruing loans past-due 90 days or more 0 0
Consumer | Auto Loan | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 98,437 97,232
Consumer | Auto Loan | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,391,539 3,314,955
Consumer | Other    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 138,826 129,206
Consumer | Other | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 242 432
Consumer | Other | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 144 714
Consumer | Other | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 12,126 12,621
Non-accrual loans 11,914 12,448
Accruing loans past-due 90 days or more 212 173
Consumer | Other | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 12,512 13,767
Consumer | Other | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 126,314 115,439
Puerto Rico    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 21,481,657 20,865,382
Puerto Rico | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 306,570 311,951
Puerto Rico | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 113,689 111,257
Puerto Rico | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 851,553 994,938
Non-accrual loans 444,831 514,289
Accruing loans past-due 90 days or more 406,722 480,649
Puerto Rico | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,271,812 1,418,146
Puerto Rico | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 20,209,845 19,447,236
Puerto Rico | Construction    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 162,362 87,111
Puerto Rico | Construction | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 498 0
Puerto Rico | Construction | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 0 0
Puerto Rico | Construction | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 0 485
Non-accrual loans 0 485
Accruing loans past-due 90 days or more 0 0
Puerto Rico | Construction | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 498 485
Puerto Rico | Construction | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 161,864 86,626
Puerto Rico | Mortgages    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 6,041,923 6,251,866
Puerto Rico | Mortgages | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 211,483 217,830
Puerto Rico | Mortgages | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 82,898 81,754
Puerto Rico | Mortgages | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 681,757 805,245
Non-accrual loans 284,670 333,887
Accruing loans past-due 90 days or more 397,087 471,358
Puerto Rico | Mortgages | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 976,138 1,104,829
Puerto Rico | Mortgages | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 5,065,785 5,147,037
Puerto Rico | Commercial | Commercial multi-family    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 236,554 154,769
Puerto Rico | Commercial | Commercial multi-family | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,992 314
Puerto Rico | Commercial | Commercial multi-family | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 0 0
Puerto Rico | Commercial | Commercial multi-family | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 254 272
Non-accrual loans 254 272
Accruing loans past-due 90 days or more 0 0
Puerto Rico | Commercial | Commercial multi-family | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,246 586
Puerto Rico | Commercial | Commercial multi-family | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 234,308 154,183
Puerto Rico | Commercial | CRE non-owner occupied    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,652,118 2,289,923
Puerto Rico | Commercial | CRE non-owner occupied | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,379 2,399
Puerto Rico | Commercial | CRE non-owner occupied | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 110 136
Puerto Rico | Commercial | CRE non-owner occupied | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 20,435 20,716
Non-accrual loans 20,435 20,716
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    
Loans held in portfolio 21,924 23,251
Puerto Rico | Commercial | CRE non-owner occupied | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,630,194 2,266,672
Puerto Rico | Commercial | CRE owner occupied    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,406,749 1,423,729
Puerto Rico | Commercial | CRE owner occupied | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 4,894 3,329
Puerto Rico | Commercial | CRE owner occupied | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,860 278
Puerto Rico | Commercial | CRE owner occupied | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 32,155 54,335
Non-accrual loans 32,155 54,335
Accruing loans past-due 90 days or more 0 0
Puerto Rico | Commercial | CRE owner occupied | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 39,909 57,942
Puerto Rico | Commercial | CRE owner occupied | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,366,840 1,365,787
Puerto Rico | Commercial | Commercial and Industrial    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,520,683 3,528,448
Puerto Rico | Commercial | Commercial and Industrial | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,534 3,438
Puerto Rico | Commercial | Commercial and Industrial | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,526 1,727
Puerto Rico | Commercial | Commercial and Industrial | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 44,176 45,242
Non-accrual loans 43,649 44,724
Accruing loans past-due 90 days or more 527 518
Puerto Rico | Commercial | Commercial and Industrial | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 48,236 50,407
Puerto Rico | Commercial | Commercial and Industrial | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,472,447 3,478,041
Puerto Rico | Leasing    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,480,222 1,381,319
Puerto Rico | Leasing | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 9,970 9,240
Puerto Rico | Leasing | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,164 2,037
Puerto Rico | Leasing | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 4,665 3,102
Non-accrual loans 4,665 3,102
Accruing loans past-due 90 days or more 0 0
Puerto Rico | Leasing | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 16,799 14,379
Puerto Rico | Leasing | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,463,423 1,366,940
Puerto Rico | Consumer | Credit card    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 966,699 919,851
Puerto Rico | Consumer | Credit card | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 5,785 5,768
Puerto Rico | Consumer | Credit card | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 4,142 3,520
Puerto Rico | Consumer | Credit card | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 8,896 8,577
Non-accrual loans 0 0
Accruing loans past-due 90 days or more 8,896 8,577
Puerto Rico | Consumer | Credit card | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 18,823 17,865
Puerto Rico | Consumer | Credit card | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 947,876 901,986
Puerto Rico | Consumer | Home equity lines of credit    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,122 3,571
Puerto Rico | Consumer | Home equity lines of credit | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 0 46
Puerto Rico | Consumer | Home equity lines of credit | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
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    
Loans held in portfolio 0 23
Non-accrual loans 0 0
Accruing loans past-due 90 days or more 0 23
Puerto Rico | Consumer | Home equity lines of credit | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 0 69
Puerto Rico | Consumer | Home equity lines of credit | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,122 3,502
Puerto Rico | Consumer | Personal loans    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,388,100 1,288,060
Puerto Rico | Consumer | Personal loans | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 11,216 10,027
Puerto Rico | Consumer | Personal loans | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 6,043 6,072
Puerto Rico | Consumer | Personal loans | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 19,045 21,235
Non-accrual loans 19,045 21,235
Accruing loans past-due 90 days or more 0 0
Puerto Rico | Consumer | Personal loans | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 36,304 37,334
Puerto Rico | Consumer | Personal loans | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,351,796 1,250,726
Puerto Rico | Consumer | Auto Loan    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,489,976 3,412,187
Puerto Rico | Consumer | Auto Loan | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 56,577 59,128
Puerto Rico | Consumer | Auto Loan | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 13,815 15,019
Puerto Rico | Consumer | Auto Loan | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 28,045 23,085
Non-accrual loans 28,045 23,085
Accruing loans past-due 90 days or more 0 0
Puerto Rico | Consumer | Auto Loan | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 98,437 97,232
Puerto Rico | Consumer | Auto Loan | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,391,539 3,314,955
Puerto Rico | Consumer | Other    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 133,149 124,548
Puerto Rico | Consumer | Other | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 242 432
Puerto Rico | Consumer | Other | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 131 714
Puerto Rico | Consumer | Other | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 12,125 12,621
Non-accrual loans 11,913 12,448
Accruing loans past-due 90 days or more 212 173
Puerto Rico | Consumer | Other | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 12,498 13,767
Puerto Rico | Consumer | Other | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 120,651 110,781
Popular U.S.    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 8,889,279 8,375,175
Popular U.S. | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 12,329 32,697
Popular U.S. | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 13,310 6,544
Popular U.S. | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 33,669 33,706
Non-accrual loans 33,093 33,588
Accruing loans past-due 90 days or more 576 118
Popular U.S. | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 59,308 72,947
Popular U.S. | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 8,829,971 8,302,228
Popular U.S. | Construction    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 628,558 629,109
Popular U.S. | Construction | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 0 0
Popular U.S. | Construction | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 7,000 0
Popular U.S. | Construction | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
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    
Loans held in portfolio 7,000 0
Popular U.S. | Construction | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 621,558 629,109
Popular U.S. | Mortgages    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,220,032 1,175,330
Popular U.S. | Mortgages | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,561 11,711
Popular U.S. | Mortgages | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,587 2,573
Popular U.S. | Mortgages | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 20,192 21,969
Non-accrual loans 20,192 21,969
Accruing loans past-due 90 days or more 0 0
Popular U.S. | Mortgages | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 25,340 36,253
Popular U.S. | Mortgages | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,194,692 1,139,077
Popular U.S. | Commercial | Commercial multi-family    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,895,819 1,807,861
Popular U.S. | Commercial | Commercial multi-family | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 0 3,826
Popular U.S. | Commercial | Commercial multi-family | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 187 0
Popular U.S. | Commercial | Commercial multi-family | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 280 0
Non-accrual loans 280 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    
Loans held in portfolio 467 3,826
Popular U.S. | Commercial | Commercial multi-family | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,895,352 1,804,035
Popular U.S. | Commercial | CRE non-owner occupied    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,468,223 2,323,467
Popular U.S. | Commercial | CRE non-owner occupied | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 288 5,721
Popular U.S. | Commercial | CRE non-owner occupied | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 0 683
Popular U.S. | Commercial | CRE non-owner occupied | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 0 622
Non-accrual loans 0 622
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    
Loans held in portfolio 288 7,026
Popular U.S. | Commercial | CRE non-owner occupied | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,467,935 2,316,441
Popular U.S. | Commercial | CRE owner occupied    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,466,812 394,373
Popular U.S. | Commercial | CRE owner occupied | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 144 1,095
Popular U.S. | Commercial | CRE owner occupied | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
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    
Loans held in portfolio 1,416 1,013
Non-accrual loans 1,416 1,013
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    
Loans held in portfolio 1,560 2,108
Popular U.S. | Commercial | CRE owner occupied | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,465,252 392,265
Popular U.S. | Commercial | Commercial and Industrial    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,898,343 1,810,131
Popular U.S. | Commercial | Commercial and Industrial | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 9,278 9,410
Popular U.S. | Commercial | Commercial and Industrial | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,037 2,680
Popular U.S. | Commercial | Commercial and Industrial | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 6,326 4,015
Non-accrual loans 5,750 3,897
Accruing loans past-due 90 days or more 576 118
Popular U.S. | Commercial | Commercial and Industrial | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 17,641 16,105
Popular U.S. | Commercial | Commercial and Industrial | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,880,702 1,794,026
Popular U.S. | Consumer | Credit card    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 47 10
Popular U.S. | Consumer | Credit card | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 0 0
Popular U.S. | Consumer | Credit card | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 0 0
Popular U.S. | Consumer | Credit card | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
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    
Loans held in portfolio 0 0
Popular U.S. | Consumer | Credit card | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 47 10
Popular U.S. | Consumer | Home equity lines of credit    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 71,455 75,291
Popular U.S. | Consumer | Home equity lines of credit | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 303 71
Popular U.S. | Consumer | Home equity lines of credit | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 16 34
Popular U.S. | Consumer | Home equity lines of credit | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 4,705 5,406
Non-accrual loans 4,705 5,406
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    
Loans held in portfolio 5,024 5,511
Popular U.S. | Consumer | Home equity lines of credit | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 66,431 69,780
Popular U.S. | Consumer | Personal loans    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 234,313 154,945
Popular U.S. | Consumer | Personal loans | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 755 863
Popular U.S. | Consumer | Personal loans | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 470 574
Popular U.S. | Consumer | Personal loans | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 749 681
Non-accrual loans 749 681
Accruing loans past-due 90 days or more 0 0
Popular U.S. | Consumer | Personal loans | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,974 2,118
Popular U.S. | Consumer | Personal loans | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 232,339 152,827
Popular U.S. | Consumer | Other    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 5,677 4,658
Popular U.S. | Consumer | Other | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 0 0
Popular U.S. | Consumer | Other | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 13 0
Popular U.S. | Consumer | Other | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1 0
Non-accrual loans 1 0
Accruing loans past-due 90 days or more 0 0
Popular U.S. | Consumer | Other | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 14 0
Popular U.S. | Consumer | Other | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio $ 5,663 $ 4,658