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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
Mar. 31, 2022
Dec. 31, 2021
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio $ 29,588,190 $ 29,240,557
Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 304,231 344,648
Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 106,608 117,801
Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 960,475 1,028,644
Non-accrual loans 519,921 547,877
Accruing loans past-due 90 days or more 440,554 480,767
Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,371,314 1,491,093
Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 28,216,876 27,749,464
Construction    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 744,783 716,220
Construction | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 715 0
Construction | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 0 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 715 485
Construction | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 744,068 715,735
Mortgages    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 7,326,346 7,427,196
Mortgages | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 195,403 229,541
Mortgages | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 80,443 84,327
Mortgages | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 758,164 827,214
Non-accrual loans 328,386 355,856
Accruing loans past-due 90 days or more 429,778 471,358
Mortgages | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,034,010 1,141,082
Mortgages | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 6,292,336 6,286,114
Commercial | Commercial multi-family    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,028,864 1,962,630
Commercial | Commercial multi-family | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,130 4,140
Commercial | Commercial multi-family | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 189 0
Commercial | Commercial multi-family | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 274 272
Non-accrual loans 274 272
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 2,593 4,412
Commercial | Commercial multi-family | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,026,271 1,958,218
Commercial | CRE non-owner occupied    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,954,430 4,613,390
Commercial | CRE non-owner occupied | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 4,548 8,120
Commercial | CRE non-owner occupied | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 833 819
Commercial | CRE non-owner occupied | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 21,001 21,338
Non-accrual loans 21,001 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 26,382 30,277
Commercial | CRE non-owner occupied | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,928,048 4,583,113
Commercial | CRE owner occupied    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,856,144 1,818,102
Commercial | CRE owner occupied | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 10,409 4,424
Commercial | CRE owner occupied | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 50 278
Commercial | CRE owner occupied | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 50,409 55,348
Non-accrual loans 50,409 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 60,868 60,050
Commercial | CRE owner occupied | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,795,276 1,758,052
Commercial | Commercial and Industrial    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 5,188,808 5,338,579
Commercial | Commercial and Industrial | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 12,143 12,848
Commercial | Commercial and Industrial | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 771 4,407
Commercial | Commercial and Industrial | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 53,058 49,257
Non-accrual loans 51,501 48,621
Accruing loans past-due 90 days or more 1,557 636
Commercial | Commercial and Industrial | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 65,972 66,512
Commercial | Commercial and Industrial | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 5,122,836 5,272,067
Leasing    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,426,122 1,381,319
Leasing | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 9,819 9,240
Leasing | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,446 2,037
Leasing | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,766 3,102
Non-accrual loans 3,766 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 16,031 14,379
Leasing | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,410,091 1,366,940
Consumer | Credit card    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 915,586 919,861
Consumer | Credit card | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 5,817 5,768
Consumer | Credit card | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,728 3,520
Consumer | Credit card | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 9,049 8,577
Non-accrual loans 0 0
Accruing loans past-due 90 days or more 9,049 8,577
Consumer | Credit card | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 18,594 17,865
Consumer | Credit card | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 896,992 901,996
Consumer | Home equity lines of credit    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 77,075 78,862
Consumer | Home equity lines of credit | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 259 117
Consumer | Home equity lines of credit | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 15 34
Consumer | Home equity lines of credit | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 5,271 5,429
Non-accrual loans 5,248 5,406
Accruing loans past-due 90 days or more 23 23
Consumer | Home equity lines of credit | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 5,545 5,580
Consumer | Home equity lines of credit | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 71,530 73,282
Consumer | Personal loans    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,508,781 1,443,005
Consumer | Personal loans | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 10,954 10,890
Consumer | Personal loans | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 6,742 6,646
Consumer | Personal loans | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 19,784 21,916
Non-accrual loans 19,784 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 37,480 39,452
Consumer | Personal loans | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,471,301 1,403,553
Consumer | Auto Loan    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,430,162 3,412,187
Consumer | Auto Loan | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 51,497 59,128
Consumer | Auto Loan | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 11,353 15,019
Consumer | Auto Loan | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 27,514 23,085
Non-accrual loans 27,514 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 90,364 97,232
Consumer | Auto Loan | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,339,798 3,314,955
Consumer | Other    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 131,089 129,206
Consumer | Other | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 537 432
Consumer | Other | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 38 714
Consumer | Other | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 12,185 12,621
Non-accrual loans 12,038 12,448
Accruing loans past-due 90 days or more 147 173
Consumer | Other | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 12,760 13,767
Consumer | Other | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 118,329 115,439
Puerto Rico    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 21,012,259 20,865,382
Puerto Rico | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 272,015 311,951
Puerto Rico | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 103,623 111,257
Puerto Rico | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 926,831 994,938
Non-accrual loans 486,816 514,289
Accruing loans past-due 90 days or more 440,015 480,649
Puerto Rico | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,302,469 1,418,146
Puerto Rico | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 19,709,790 19,447,236
Puerto Rico | Construction    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 127,325 87,111
Puerto Rico | Construction | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 715 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 715 485
Puerto Rico | Construction | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 126,610 86,626
Puerto Rico | Mortgages    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 6,123,663 6,251,866
Puerto Rico | Mortgages | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 182,397 217,830
Puerto Rico | Mortgages | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 79,374 81,754
Puerto Rico | Mortgages | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 736,338 805,245
Non-accrual loans 306,560 333,887
Accruing loans past-due 90 days or more 429,778 471,358
Puerto Rico | Mortgages | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 998,109 1,104,829
Puerto Rico | Mortgages | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 5,125,554 5,147,037
Puerto Rico | Commercial | Commercial multi-family    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 163,241 154,769
Puerto Rico | Commercial | Commercial multi-family | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,130 314
Puerto Rico | Commercial | Commercial multi-family | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 189 0
Puerto Rico | Commercial | Commercial multi-family | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 274 272
Non-accrual loans 274 272
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 2,593 586
Puerto Rico | Commercial | Commercial multi-family | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 160,648 154,183
Puerto Rico | Commercial | CRE non-owner occupied    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,560,540 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 3,646 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 93 136
Puerto Rico | Commercial | CRE non-owner occupied | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 20,627 20,716
Non-accrual loans 20,627 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 24,366 23,251
Puerto Rico | Commercial | CRE non-owner occupied | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,536,174 2,266,672
Puerto Rico | Commercial | CRE owner occupied    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,450,502 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 4,024 3,329
Puerto Rico | Commercial | CRE owner occupied | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 50 278
Puerto Rico | Commercial | CRE owner occupied | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 49,732 54,335
Non-accrual loans 49,732 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 53,806 57,942
Puerto Rico | Commercial | CRE owner occupied | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,396,696 1,365,787
Puerto Rico | Commercial | Commercial and Industrial    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,383,472 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 1,218 3,438
Puerto Rico | Commercial | Commercial and Industrial | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 169 1,727
Puerto Rico | Commercial | Commercial and Industrial | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 48,167 45,242
Non-accrual loans 47,149 44,724
Accruing loans past-due 90 days or more 1,018 518
Puerto Rico | Commercial | Commercial and Industrial | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 49,554 50,407
Puerto Rico | Commercial | Commercial and Industrial | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,333,918 3,478,041
Puerto Rico | Leasing    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,426,122 1,381,319
Puerto Rico | Leasing | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 9,819 9,240
Puerto Rico | Leasing | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,446 2,037
Puerto Rico | Leasing | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,766 3,102
Non-accrual loans 3,766 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 16,031 14,379
Puerto Rico | Leasing | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,410,091 1,366,940
Puerto Rico | Consumer | Credit card    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 915,560 919,851
Puerto Rico | Consumer | Credit card | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 5,817 5,768
Puerto Rico | Consumer | Credit card | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,728 3,520
Puerto Rico | Consumer | Credit card | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 9,049 8,577
Non-accrual loans 0 0
Accruing loans past-due 90 days or more 9,049 8,577
Puerto Rico | Consumer | Credit card | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 18,594 17,865
Puerto Rico | Consumer | Credit card | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 896,966 901,986
Puerto Rico | Consumer | Home equity lines of credit    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,116 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 23 23
Non-accrual loans 0 0
Accruing loans past-due 90 days or more 23 23
Puerto Rico | Consumer | Home equity lines of credit | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 23 69
Puerto Rico | Consumer | Home equity lines of credit | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,093 3,502
Puerto Rico | Consumer | Personal loans    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,303,476 1,288,060
Puerto Rico | Consumer | Personal loans | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 10,215 10,027
Puerto Rico | Consumer | Personal loans | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 6,184 6,072
Puerto Rico | Consumer | Personal loans | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 19,157 21,235
Non-accrual loans 19,157 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 35,556 37,334
Puerto Rico | Consumer | Personal loans | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,267,920 1,250,726
Puerto Rico | Consumer | Auto Loan    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,430,162 3,412,187
Puerto Rico | Consumer | Auto Loan | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 51,497 59,128
Puerto Rico | Consumer | Auto Loan | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 11,353 15,019
Puerto Rico | Consumer | Auto Loan | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 27,514 23,085
Non-accrual loans 27,514 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 90,364 97,232
Puerto Rico | Consumer | Auto Loan | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 3,339,798 3,314,955
Puerto Rico | Consumer | Other    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 125,080 124,548
Puerto Rico | Consumer | Other | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 537 432
Puerto Rico | Consumer | Other | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 37 714
Puerto Rico | Consumer | Other | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 12,184 12,621
Non-accrual loans 12,037 12,448
Accruing loans past-due 90 days or more 147 173
Puerto Rico | Consumer | Other | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 12,758 13,767
Puerto Rico | Consumer | Other | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 112,322 110,781
Popular U.S.    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 8,575,931 8,375,175
Popular U.S. | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 32,216 32,697
Popular U.S. | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 2,985 6,544
Popular U.S. | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 33,644 33,706
Non-accrual loans 33,105 33,588
Accruing loans past-due 90 days or more 539 118
Popular U.S. | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 68,845 72,947
Popular U.S. | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 8,507,086 8,302,228
Popular U.S. | Construction    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 617,458 629,109
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 0 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 0 0
Popular U.S. | Construction | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 617,458 629,109
Popular U.S. | Mortgages    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,202,683 1,175,330
Popular U.S. | Mortgages | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 13,006 11,711
Popular U.S. | Mortgages | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,069 2,573
Popular U.S. | Mortgages | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 21,826 21,969
Non-accrual loans 21,826 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 35,901 36,253
Popular U.S. | Mortgages | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,166,782 1,139,077
Popular U.S. | Commercial | Commercial multi-family    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,865,623 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 0 0
Popular U.S. | Commercial | Commercial multi-family | 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. | Commercial | Commercial multi-family | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 0 3,826
Popular U.S. | Commercial | Commercial multi-family | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,865,623 1,804,035
Popular U.S. | Commercial | CRE non-owner occupied    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,393,890 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 902 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 740 683
Popular U.S. | Commercial | CRE non-owner occupied | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 374 622
Non-accrual loans 374 622
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 2,016 7,026
Popular U.S. | Commercial | CRE non-owner occupied | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,391,874 2,316,441
Popular U.S. | Commercial | CRE owner occupied    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,405,642 394,373
Popular U.S. | Commercial | CRE owner occupied | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 6,385 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 677 1,013
Non-accrual loans 677 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 7,062 2,108
Popular U.S. | Commercial | CRE owner occupied | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,398,580 392,265
Popular U.S. | Commercial | Commercial and Industrial    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,805,336 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 10,925 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 602 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 4,891 4,015
Non-accrual loans 4,352 3,897
Accruing loans past-due 90 days or more 539 118
Popular U.S. | Commercial | Commercial and Industrial | Past due    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 16,418 16,105
Popular U.S. | Commercial | Commercial and Industrial | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 1,788,918 1,794,026
Popular U.S. | Consumer | Credit card    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 26 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 26 10
Popular U.S. | Consumer | Home equity lines of credit    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 73,959 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 259 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 15 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 5,248 5,406
Non-accrual loans 5,248 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 5,522 5,511
Popular U.S. | Consumer | Home equity lines of credit | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 68,437 69,780
Popular U.S. | Consumer | Personal loans    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 205,305 154,945
Popular U.S. | Consumer | Personal loans | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 739 863
Popular U.S. | Consumer | Personal loans | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 558 574
Popular U.S. | Consumer | Personal loans | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 627 681
Non-accrual loans 627 681
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 1,924 2,118
Popular U.S. | Consumer | Personal loans | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 203,381 152,827
Popular U.S. | Consumer | Other    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio 6,009 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 1 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 2 0
Popular U.S. | Consumer | Other | Current    
Financing Receivable, Recorded Investment, Past Due    
Loans held in portfolio $ 6,007 $ 4,658