v3.26.1
Allowance for credit losses - Performance of loans modified (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Mar. 31, 2025
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification $ 510,886 $ 328,979
Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 41,557 38,493
Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 6,822 6,551
Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 2,342 3,722
Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 32,393 28,220
With payment default 8,641 5,070
Without payment default 23,752 23,150
Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 469,329 290,486
Mortgages    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 52,009 64,135
Mortgages | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 26,365 25,883
Mortgages | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 4,082 5,072
Mortgages | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 1,615 2,767
Mortgages | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 20,668 18,044
With payment default 7,338 3,901
Without payment default 13,330 14,143
Mortgages | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 25,644 38,252
Commercial | Commercial multi-family    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   5,804
Commercial | Commercial multi-family | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   0
Commercial | Commercial multi-family | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   0
Commercial | Commercial multi-family | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   0
Commercial | Commercial multi-family | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   0
With payment default   0
Without payment default   0
Commercial | Commercial multi-family | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   5,804
Commercial | CRE non-owner occupied    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 62,493 9,022
Commercial | CRE non-owner occupied | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 2,115 451
Commercial | CRE non-owner occupied | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 0
Commercial | CRE non-owner occupied | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 0
Commercial | CRE non-owner occupied | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 2,115 451
With payment default 0 0
Without payment default 2,115 451
Commercial | CRE non-owner occupied | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 60,378 8,571
Commercial | CRE owner occupied    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 61,453 53,919
Commercial | CRE owner occupied | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 3,226 2,335
Commercial | CRE owner occupied | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 485 85
Commercial | CRE owner occupied | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 113
Commercial | CRE owner occupied | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 2,741 2,137
With payment default 0 257
Without payment default 2,741 1,880
Commercial | CRE owner occupied | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 58,227 51,584
Commercial | Commercial and Industrial    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 310,851 173,957
Commercial | Commercial and Industrial | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 5,254 5,323
Commercial | Commercial and Industrial | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 809 290
Commercial | Commercial and Industrial | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 76 177
Commercial | Commercial and Industrial | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 4,369 4,856
With payment default 341 273
Without payment default 4,028 4,583
Commercial | Commercial and Industrial | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 305,597 168,634
Consumer | Credit card    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 9,099 6,770
Consumer | Credit card | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 2,344 2,080
Consumer | Credit card | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 751 699
Consumer | Credit card | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 454 536
Consumer | Credit card | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 1,139 845
With payment default 869 503
Without payment default 270 342
Consumer | Credit card | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 6,755 4,690
Consumer | Personal loans    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 14,523 15,226
Consumer | Personal loans | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 2,253 2,421
Consumer | Personal loans | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 695 405
Consumer | Personal loans | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 197 129
Consumer | Personal loans | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 1,361 1,887
With payment default 93 136
Without payment default 1,268 1,751
Consumer | Personal loans | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 12,270 12,805
Consumer | Auto Loan    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 458 119
Consumer | Auto Loan | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 0
Consumer | Auto Loan | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 0
Consumer | Auto Loan | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 0
Consumer | Auto Loan | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 0
With payment default 0 0
Without payment default 0 0
Consumer | Auto Loan | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 458 119
Consumer | Other    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   27
Consumer | Other | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   0
Consumer | Other | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   0
Consumer | Other | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   0
Consumer | Other | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   0
With payment default   0
Without payment default   0
Consumer | Other | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   27
Puerto Rico    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 450,092 314,808
Puerto Rico | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 41,524 37,780
Puerto Rico | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 6,822 6,537
Puerto Rico | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 2,342 3,722
Puerto Rico | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 32,360 27,521
With payment default 8,608 4,425
Without payment default 23,752 23,096
Puerto Rico | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 408,568 277,028
Puerto Rico | Mortgages    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 50,889 62,640
Puerto Rico | Mortgages | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 26,365 25,184
Puerto Rico | Mortgages | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 4,082 5,072
Puerto Rico | Mortgages | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 1,615 2,767
Puerto Rico | Mortgages | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 20,668 17,345
With payment default 7,338 3,256
Without payment default 13,330 14,089
Puerto Rico | Mortgages | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 24,524 37,456
Puerto Rico | Commercial | CRE non-owner occupied    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 3,841 9,022
Puerto Rico | Commercial | CRE non-owner occupied | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 2,115 451
Puerto Rico | Commercial | CRE non-owner occupied | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 0
Puerto Rico | Commercial | CRE non-owner occupied | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 0
Puerto Rico | Commercial | CRE non-owner occupied | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 2,115 451
With payment default 0 0
Without payment default 2,115 451
Puerto Rico | Commercial | CRE non-owner occupied | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 1,726 8,571
Puerto Rico | Commercial | CRE owner occupied    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 61,453 47,966
Puerto Rico | Commercial | CRE owner occupied | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 3,226 2,335
Puerto Rico | Commercial | CRE owner occupied | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 485 85
Puerto Rico | Commercial | CRE owner occupied | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 113
Puerto Rico | Commercial | CRE owner occupied | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 2,741 2,137
With payment default 0 257
Without payment default 2,741 1,880
Puerto Rico | Commercial | CRE owner occupied | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 58,227 45,631
Puerto Rico | Commercial | Commercial and Industrial    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 309,937 173,273
Puerto Rico | Commercial | Commercial and Industrial | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 5,254 5,323
Puerto Rico | Commercial | Commercial and Industrial | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 809 290
Puerto Rico | Commercial | Commercial and Industrial | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 76 177
Puerto Rico | Commercial | Commercial and Industrial | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 4,369 4,856
With payment default 341 273
Without payment default 4,028 4,583
Puerto Rico | Commercial | Commercial and Industrial | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 304,683 167,950
Puerto Rico | Consumer | Credit card    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 9,099 6,770
Puerto Rico | Consumer | Credit card | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 2,344 2,080
Puerto Rico | Consumer | Credit card | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 751 699
Puerto Rico | Consumer | Credit card | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 454 536
Puerto Rico | Consumer | Credit card | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 1,139 845
With payment default 869 503
Without payment default 270 342
Puerto Rico | Consumer | Credit card | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 6,755 4,690
Puerto Rico | Consumer | Personal loans    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 14,415 14,991
Puerto Rico | Consumer | Personal loans | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 2,220 2,407
Puerto Rico | Consumer | Personal loans | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 695 391
Puerto Rico | Consumer | Personal loans | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 197 129
Puerto Rico | Consumer | Personal loans | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 1,328 1,887
With payment default 60 136
Without payment default 1,268 1,751
Puerto Rico | Consumer | Personal loans | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 12,195 12,584
Puerto Rico | Consumer | Auto Loan    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 458 119
Puerto Rico | Consumer | Auto Loan | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 0
Puerto Rico | Consumer | Auto Loan | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 0
Puerto Rico | Consumer | Auto Loan | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 0
Puerto Rico | Consumer | Auto Loan | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 0
With payment default 0 0
Without payment default 0 0
Puerto Rico | Consumer | Auto Loan | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 458 119
Puerto Rico | Consumer | Other    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   27
Puerto Rico | Consumer | Other | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   0
Puerto Rico | Consumer | Other | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   0
Puerto Rico | Consumer | Other | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   0
Puerto Rico | Consumer | Other | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   0
With payment default   0
Without payment default   0
Puerto Rico | Consumer | Other | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   27
Popular U.S.    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 60,794 14,171
Popular U.S. | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 33 713
Popular U.S. | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 14
Popular U.S. | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 0
Popular U.S. | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 33 699
With payment default 33 645
Without payment default 0 54
Popular U.S. | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 60,761 13,458
Popular U.S. | Mortgages    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 1,120 1,495
Popular U.S. | Mortgages | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 699
Popular U.S. | Mortgages | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 0
Popular U.S. | Mortgages | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 0
Popular U.S. | Mortgages | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 699
With payment default 0 645
Without payment default 0 54
Popular U.S. | Mortgages | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 1,120 796
Popular U.S. | Commercial | Commercial multi-family    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   5,804
Popular U.S. | Commercial | Commercial multi-family | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   0
Popular U.S. | Commercial | Commercial multi-family | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   0
Popular U.S. | Commercial | Commercial multi-family | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   0
Popular U.S. | Commercial | Commercial multi-family | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   0
With payment default   0
Without payment default   0
Popular U.S. | Commercial | Commercial multi-family | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   5,804
Popular U.S. | Commercial | CRE non-owner occupied    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 58,652  
Popular U.S. | Commercial | CRE non-owner occupied | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0  
Popular U.S. | Commercial | CRE non-owner occupied | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0  
Popular U.S. | Commercial | CRE non-owner occupied | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0  
Popular U.S. | Commercial | CRE non-owner occupied | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0  
With payment default 0  
Without payment default 0  
Popular U.S. | Commercial | CRE non-owner occupied | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 58,652  
Popular U.S. | Commercial | CRE owner occupied    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   5,953
Popular U.S. | Commercial | CRE owner occupied | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   0
Popular U.S. | Commercial | CRE owner occupied | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   0
Popular U.S. | Commercial | CRE owner occupied | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   0
Popular U.S. | Commercial | CRE owner occupied | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   0
With payment default   0
Without payment default   0
Popular U.S. | Commercial | CRE owner occupied | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification   5,953
Popular U.S. | Commercial | Commercial and Industrial    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 914 684
Popular U.S. | Commercial | Commercial and Industrial | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 0
Popular U.S. | Commercial | Commercial and Industrial | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 0
Popular U.S. | Commercial | Commercial and Industrial | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 0
Popular U.S. | Commercial | Commercial and Industrial | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 0
With payment default 0 0
Without payment default 0 0
Popular U.S. | Commercial | Commercial and Industrial | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 914 684
Popular U.S. | Consumer | Personal loans    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 108 235
Popular U.S. | Consumer | Personal loans | Past due    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 33 14
Popular U.S. | Consumer | Personal loans | Past Due 30 To 59 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 14
Popular U.S. | Consumer | Personal loans | Past Due 60 To 89 Days    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 0 0
Popular U.S. | Consumer | Personal loans | Past due 90 days or more    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification 33 0
With payment default 33 0
Without payment default 0 0
Popular U.S. | Consumer | Personal loans | Current    
Financing Receivable, Modifications [Line Items]    
Loan performance in the last 12 months after modification $ 75 $ 221