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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
Sep. 30, 2025
Dec. 31, 2024
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio $ 38,687,158 $ 37,107,652
Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 481,204 496,858
Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 180,189 198,641
Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 707,558 593,220
Non-accrual loans 502,202 350,780
Accruing loans past-due 90 days or more 205,356 242,440
Past due    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,368,951 1,288,719
Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 37,318,207 35,818,933
Construction    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,604,612 1,263,792
Construction | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 2,898 1,039
Construction | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,691 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 4,589 1,039
Construction | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,600,023 1,262,753
Mortgages    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 8,558,408 8,114,183
Mortgages | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 253,948 280,370
Mortgages | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 123,080 122,111
Mortgages | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 341,912 395,649
Non-accrual loans 167,767 188,332
Accruing loans past-due 90 days or more 174,145 207,317
Mortgages | Past due    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 718,940 798,130
Mortgages | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 7,839,468 7,316,053
Commercial | Commercial multi-family    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 2,489,589 2,399,620
Commercial | Commercial multi-family | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,357 1,491
Commercial | Commercial multi-family | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 2,639 5,556
Commercial | Commercial multi-family | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 8,641 8,779
Non-accrual loans 8,641 8,779
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 12,637 15,826
Commercial | Commercial multi-family | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 2,476,952 2,383,794
Commercial | CRE non-owner occupied    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 5,462,580 5,363,235
Commercial | CRE non-owner occupied | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 17,506 9,895
Commercial | CRE non-owner occupied | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 292 586
Commercial | CRE non-owner occupied | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 44,126 14,444
Non-accrual loans 44,126 14,444
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 61,924 24,925
Commercial | CRE non-owner occupied | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 5,400,656 5,338,310
Commercial | CRE owner occupied    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 3,090,724 3,157,746
Commercial | CRE owner occupied | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 17,175 11,054
Commercial | CRE owner occupied | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 369 808
Commercial | CRE owner occupied | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 25,619 30,449
Non-accrual loans 25,619 30,449
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 43,163 42,311
Commercial | CRE owner occupied | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 3,047,561 3,115,435
Commercial | Commercial and Industrial    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 8,245,639 7,741,562
Commercial | Commercial and Industrial | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 19,186 16,074
Commercial | Commercial and Industrial | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 2,032 8,035
Commercial | Commercial and Industrial | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 179,658 25,833
Non-accrual loans 174,491 21,083
Accruing loans past-due 90 days or more 5,167 4,750
Commercial | Commercial and Industrial | Past due    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 200,876 49,942
Commercial | Commercial and Industrial | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 8,044,763 7,691,620
Leasing    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,998,651 1,925,405
Leasing | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 23,537 23,991
Leasing | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 5,372 6,062
Leasing | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 7,747 9,588
Non-accrual loans 7,747 9,588
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 36,656 39,641
Leasing | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,961,995 1,885,764
Consumer | Credit card    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,225,567 1,218,079
Consumer | Credit card | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 13,556 17,399
Consumer | Credit card | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 9,917 11,719
Consumer | Credit card | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 25,625 29,960
Non-accrual loans 0 0
Accruing loans past-due 90 days or more 25,625 29,960
Consumer | Credit card | Past due    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 49,098 59,078
Consumer | Credit card | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,176,469 1,159,001
Consumer | Home equity lines of credit    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 78,890 73,571
Consumer | Home equity lines of credit | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 395 546
Consumer | Home equity lines of credit | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 335 1,115
Consumer | Home equity lines of credit | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 3,257 3,393
Non-accrual loans 3,257 3,393
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 3,987 5,054
Consumer | Home equity lines of credit | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 74,903 68,517
Consumer | Personal loans    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,900,325 1,855,244
Consumer | Personal loans | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 20,832 21,311
Consumer | Personal loans | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 12,343 14,514
Consumer | Personal loans | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 19,316 22,010
Non-accrual loans 19,316 22,010
Accruing loans past-due 90 days or more 0 0
Consumer | Personal loans | Past due    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 52,491 57,835
Consumer | Personal loans | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,847,834 1,797,409
Consumer | Auto Loan    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 3,850,953 3,823,437
Consumer | Auto Loan | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 107,907 111,358
Consumer | Auto Loan | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 21,874 27,858
Consumer | Auto Loan | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 49,432 51,792
Non-accrual loans 49,432 51,792
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 179,213 191,008
Consumer | Auto Loan | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 3,671,740 3,632,429
Consumer | Other    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 181,220 171,778
Consumer | Other | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 2,907 2,330
Consumer | Other | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 245 277
Consumer | Other | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 2,225 1,323
Non-accrual loans 1,806 910
Accruing loans past-due 90 days or more 419 413
Consumer | Other | Past due    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 5,377 3,930
Consumer | Other | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 175,843 167,848
Puerto Rico    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 27,161,791 26,179,021
Puerto Rico | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 448,301 458,730
Puerto Rico | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 171,021 179,963
Puerto Rico | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 658,537 534,341
Non-accrual loans 453,369 292,091
Accruing loans past-due 90 days or more 205,168 242,250
Puerto Rico | Past due    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,277,859 1,173,034
Puerto Rico | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 25,883,932 25,005,987
Puerto Rico | Construction    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 303,953 212,290
Puerto Rico | Construction | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 2,898 1,039
Puerto Rico | Construction | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,691 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 4,589 1,039
Puerto Rico | Construction | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 299,364 211,251
Puerto Rico | Mortgages    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 7,233,106 6,809,881
Puerto Rico | Mortgages | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 252,650 262,222
Puerto Rico | Mortgages | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 118,092 116,694
Puerto Rico | Mortgages | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 314,103 365,759
Non-accrual loans 139,958 158,442
Accruing loans past-due 90 days or more 174,145 207,317
Puerto Rico | Mortgages | Past due    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 684,845 744,675
Puerto Rico | Mortgages | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 6,548,261 6,065,206
Puerto Rico | Commercial | Commercial multi-family    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 302,366 308,001
Puerto Rico | Commercial | Commercial multi-family | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,357 1,491
Puerto Rico | Commercial | Commercial multi-family | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1 113
Puerto Rico | Commercial | Commercial multi-family | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 174 79
Non-accrual loans 174 79
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 1,532 1,683
Puerto Rico | Commercial | Commercial multi-family | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 300,834 306,318
Puerto Rico | Commercial | CRE non-owner occupied    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 3,302,745 3,246,503
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 17,422 3,103
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 292 586
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 37,043 6,429
Non-accrual loans 37,043 6,429
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 54,757 10,118
Puerto Rico | Commercial | CRE non-owner occupied | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 3,247,988 3,236,385
Puerto Rico | Commercial | CRE owner occupied    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,195,284 1,375,911
Puerto Rico | Commercial | CRE owner occupied | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 2,004 11,054
Puerto Rico | Commercial | CRE owner occupied | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 152 808
Puerto Rico | Commercial | CRE owner occupied | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 25,619 25,258
Non-accrual loans 25,619 25,258
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 27,775 37,120
Puerto Rico | Commercial | CRE owner occupied | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,167,509 1,338,791
Puerto Rico | Commercial | Commercial and Industrial    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 5,751,998 5,346,894
Puerto Rico | Commercial | Commercial and Industrial | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 4,237 5,738
Puerto Rico | Commercial | Commercial and Industrial | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 2,032 2,712
Puerto Rico | Commercial | Commercial and Industrial | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 178,224 23,895
Non-accrual loans 173,245 19,335
Accruing loans past-due 90 days or more 4,979 4,560
Puerto Rico | Commercial | Commercial and Industrial | Past due    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 184,493 32,345
Puerto Rico | Commercial | Commercial and Industrial | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 5,567,505 5,314,549
Puerto Rico | Leasing    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,998,651 1,925,405
Puerto Rico | Leasing | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 23,537 23,991
Puerto Rico | Leasing | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 5,372 6,062
Puerto Rico | Leasing | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 7,747 9,588
Non-accrual loans 7,747 9,588
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 36,656 39,641
Puerto Rico | Leasing | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,961,995 1,885,764
Puerto Rico | Consumer | Credit card    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,225,567 1,218,053
Puerto Rico | Consumer | Credit card | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 13,556 17,399
Puerto Rico | Consumer | Credit card | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 9,917 11,719
Puerto Rico | Consumer | Credit card | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 25,625 29,960
Non-accrual loans 0 0
Accruing loans past-due 90 days or more 25,625 29,960
Puerto Rico | Consumer | Credit card | Past due    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 49,098 59,078
Puerto Rico | Consumer | Credit card | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,176,469 1,158,975
Puerto Rico | Consumer | Home equity lines of credit    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,693 2,040
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 16
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 0 129
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 0 145
Puerto Rico | Consumer | Home equity lines of credit | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,693 1,895
Puerto Rico | Consumer | Personal loans    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,823,148 1,750,377
Puerto Rico | Consumer | Personal loans | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 19,826 19,503
Puerto Rico | Consumer | Personal loans | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 11,353 13,005
Puerto Rico | Consumer | Personal loans | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 18,375 20,269
Non-accrual loans 18,375 20,269
Accruing loans past-due 90 days or more 0 0
Puerto Rico | Consumer | Personal loans | Past due    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 49,554 52,777
Puerto Rico | Consumer | Personal loans | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,773,594 1,697,600
Puerto Rico | Consumer | Auto Loan    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 3,850,953 3,823,437
Puerto Rico | Consumer | Auto Loan | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 107,907 111,358
Puerto Rico | Consumer | Auto Loan | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 21,874 27,858
Puerto Rico | Consumer | Auto Loan | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 49,432 51,792
Non-accrual loans 49,432 51,792
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 179,213 191,008
Puerto Rico | Consumer | Auto Loan | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 3,671,740 3,632,429
Puerto Rico | Consumer | Other    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 172,327 160,229
Puerto Rico | Consumer | Other | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 2,907 1,816
Puerto Rico | Consumer | Other | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 245 277
Puerto Rico | Consumer | Other | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 2,195 1,312
Non-accrual loans 1,776 899
Accruing loans past-due 90 days or more 419 413
Puerto Rico | Consumer | Other | Past due    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 5,347 3,405
Puerto Rico | Consumer | Other | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 166,980 156,824
Popular U.S.    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 11,525,367 10,928,631
Popular U.S. | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 32,903 38,128
Popular U.S. | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 9,168 18,678
Popular U.S. | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 49,021 58,879
Non-accrual loans 48,833 58,689
Accruing loans past-due 90 days or more 188 190
Popular U.S. | Past due    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 91,092 115,685
Popular U.S. | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 11,434,275 10,812,946
Popular U.S. | Construction    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,300,659 1,051,502
Popular U.S. | Construction | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 0 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 0 0
Popular U.S. | Construction | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,300,659 1,051,502
Popular U.S. | Mortgages    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,325,302 1,304,302
Popular U.S. | Mortgages | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,298 18,148
Popular U.S. | Mortgages | Past Due 60 To 89 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 4,988 5,417
Popular U.S. | Mortgages | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 27,809 29,890
Non-accrual loans 27,809 29,890
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 34,095 53,455
Popular U.S. | Mortgages | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,291,207 1,250,847
Popular U.S. | Commercial | Commercial multi-family    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 2,187,223 2,091,619
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 0
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 2,638 5,443
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 8,467 8,700
Non-accrual loans 8,467 8,700
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 11,105 14,143
Popular U.S. | Commercial | Commercial multi-family | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 2,176,118 2,077,476
Popular U.S. | Commercial | CRE non-owner occupied    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 2,159,835 2,116,732
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 84 6,792
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 7,083 8,015
Non-accrual loans 7,083 8,015
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 7,167 14,807
Popular U.S. | Commercial | CRE non-owner occupied | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 2,152,668 2,101,925
Popular U.S. | Commercial | CRE owner occupied    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,895,440 1,781,835
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 15,171 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 217 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 0 5,191
Non-accrual loans 0 5,191
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 15,388 5,191
Popular U.S. | Commercial | CRE owner occupied | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,880,052 1,776,644
Popular U.S. | Commercial | Commercial and Industrial    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 2,493,641 2,394,668
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 14,949 10,336
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 0 5,323
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 1,434 1,938
Non-accrual loans 1,246 1,748
Accruing loans past-due 90 days or more 188 190
Popular U.S. | Commercial | Commercial and Industrial | Past due    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 16,383 17,597
Popular U.S. | Commercial | Commercial and Industrial | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 2,477,258 2,377,071
Popular U.S. | Consumer | Credit card    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio   26
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
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
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
Non-accrual loans   0
Accruing loans past-due 90 days or more   0
Popular U.S. | Consumer | Credit card | Past due    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio   0
Popular U.S. | Consumer | Credit card | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio   26
Popular U.S. | Consumer | Home equity lines of credit    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 77,197 71,531
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 395 530
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 335 986
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 3,257 3,393
Non-accrual loans 3,257 3,393
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 3,987 4,909
Popular U.S. | Consumer | Home equity lines of credit | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 73,210 66,622
Popular U.S. | Consumer | Personal loans    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 77,177 104,867
Popular U.S. | Consumer | Personal loans | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 1,006 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 990 1,509
Popular U.S. | Consumer | Personal loans | Past due 90 days or more    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 941 1,741
Non-accrual loans 941 1,741
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 2,937 5,058
Popular U.S. | Consumer | Personal loans | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 74,240 99,809
Popular U.S. | Consumer | Other    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 8,893 11,549
Popular U.S. | Consumer | Other | Past Due 30 To 59 Days    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio 0 514
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 30 11
Non-accrual loans 30 11
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 30 525
Popular U.S. | Consumer | Other | Current    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans held in portfolio $ 8,863 $ 11,024