v3.26.1
LOANS (Aging of Recorded Investment in Gross Loans) (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Financing Receivable, Past Due [Line Items]    
Total loans $ 8,235,063 $ 8,201,042
Commercial loans    
Financing Receivable, Past Due [Line Items]    
Total loans 3,553,096 3,490,169
Mortgage loans    
Financing Receivable, Past Due [Line Items]    
Total loans 1,373,629 1,390,346
Consumer    
Financing Receivable, Past Due [Line Items]    
Total loans 677,841 683,548
Auto loans    
Financing Receivable, Past Due [Line Items]    
Total loans 2,630,497 2,636,979
Non-PCD    
Financing Receivable, Past Due [Line Items]    
Total loans 7,433,763 7,375,471
Loans 90+ Days Past Due and Still Accruing 3,167 3,187
Non-PCD | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 252,857 308,570
Non-PCD | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 117,752 144,354
Non-PCD | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 46,479 61,800
Non-PCD | 90+ Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 88,626 102,416
Non-PCD | Current    
Financing Receivable, Past Due [Line Items]    
Total loans 7,180,906 7,066,901
Non-PCD | Commercial loans    
Financing Receivable, Past Due [Line Items]    
Total loans 3,482,806 3,416,280
Loans 90+ Days Past Due and Still Accruing 0 0
Non-PCD | Commercial loans | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 8,052 11,534
Non-PCD | Commercial loans | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 2,601 1,689
Non-PCD | Commercial loans | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 1,708 315
Non-PCD | Commercial loans | 90+ Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 3,743 9,530
Non-PCD | Commercial loans | Current    
Financing Receivable, Past Due [Line Items]    
Total loans 3,474,754 3,404,746
Non-PCD | Mortgage loans    
Financing Receivable, Past Due [Line Items]    
Total loans 643,000 639,055
Loans 90+ Days Past Due and Still Accruing 3,167 3,187
Non-PCD | Mortgage loans | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 74,550 78,738
Non-PCD | Mortgage loans | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 3,694 4,885
Non-PCD | Mortgage loans | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 4,593 5,824
Non-PCD | Mortgage loans | 90+ Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 66,263 68,029
Non-PCD | Mortgage loans | Current    
Financing Receivable, Past Due [Line Items]    
Total loans 568,450 560,317
Non-PCD | Consumer    
Financing Receivable, Past Due [Line Items]    
Total loans 677,535 683,246
Loans 90+ Days Past Due and Still Accruing 0 0
Non-PCD | Consumer | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 17,343 19,519
Non-PCD | Consumer | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 8,566 9,329
Non-PCD | Consumer | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 5,049 6,012
Non-PCD | Consumer | 90+ Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 3,728 4,178
Non-PCD | Consumer | Current    
Financing Receivable, Past Due [Line Items]    
Total loans 660,192 663,727
Non-PCD | Auto loans    
Financing Receivable, Past Due [Line Items]    
Total loans 2,630,422 2,636,890
Loans 90+ Days Past Due and Still Accruing 0 0
Non-PCD | Auto loans | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 152,912 198,779
Non-PCD | Auto loans | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 102,891 128,451
Non-PCD | Auto loans | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 35,129 49,649
Non-PCD | Auto loans | 90+ Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 14,892 20,679
Non-PCD | Auto loans | Current    
Financing Receivable, Past Due [Line Items]    
Total loans 2,477,510 2,438,111
Personal loans | Consumer    
Financing Receivable, Past Due [Line Items]    
Total loans 635,766 638,985
Personal loans | Non-PCD | Consumer    
Financing Receivable, Past Due [Line Items]    
Total loans 635,766 638,985
Loans 90+ Days Past Due and Still Accruing 0 0
Personal loans | Non-PCD | Consumer | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 15,461 17,188
Personal loans | Non-PCD | Consumer | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 7,844 8,415
Personal loans | Non-PCD | Consumer | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 4,706 5,371
Personal loans | Non-PCD | Consumer | 90+ Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 2,911 3,402
Personal loans | Non-PCD | Consumer | Current    
Financing Receivable, Past Due [Line Items]    
Total loans 620,305 621,797
Credit lines | Consumer    
Financing Receivable, Past Due [Line Items]    
Total loans 8,931 9,629
Credit lines | Non-PCD | Consumer    
Financing Receivable, Past Due [Line Items]    
Total loans 8,625 9,327
Loans 90+ Days Past Due and Still Accruing 0 0
Credit lines | Non-PCD | Consumer | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 508 498
Credit lines | Non-PCD | Consumer | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 189 122
Credit lines | Non-PCD | Consumer | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 43 296
Credit lines | Non-PCD | Consumer | 90+ Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 276 80
Credit lines | Non-PCD | Consumer | Current    
Financing Receivable, Past Due [Line Items]    
Total loans 8,117 8,829
Credit cards | Consumer    
Financing Receivable, Past Due [Line Items]    
Total loans 32,777 34,300
Credit cards | Non-PCD | Consumer    
Financing Receivable, Past Due [Line Items]    
Total loans 32,777 34,300
Loans 90+ Days Past Due and Still Accruing 0 0
Credit cards | Non-PCD | Consumer | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 1,323 1,691
Credit cards | Non-PCD | Consumer | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 482 650
Credit cards | Non-PCD | Consumer | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 300 345
Credit cards | Non-PCD | Consumer | 90+ Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 541 696
Credit cards | Non-PCD | Consumer | Current    
Financing Receivable, Past Due [Line Items]    
Total loans 31,454 32,609
Overdraft | Consumer    
Financing Receivable, Past Due [Line Items]    
Total loans 367 634
Overdraft | Non-PCD | Consumer    
Financing Receivable, Past Due [Line Items]    
Total loans 367 634
Loans 90+ Days Past Due and Still Accruing 0 0
Overdraft | Non-PCD | Consumer | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 51 142
Overdraft | Non-PCD | Consumer | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 51 142
Overdraft | Non-PCD | Consumer | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 0 0
Overdraft | Non-PCD | Consumer | 90+ Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 0 0
Overdraft | Non-PCD | Consumer | Current    
Financing Receivable, Past Due [Line Items]    
Total loans 316 492
Domestic - Puerto Rico | Commercial loans    
Financing Receivable, Past Due [Line Items]    
Total loans 2,681,456 2,660,194
Domestic - Puerto Rico | Non-PCD | Commercial loans    
Financing Receivable, Past Due [Line Items]    
Total loans 2,611,166 2,586,305
Loans 90+ Days Past Due and Still Accruing 0 0
Domestic - Puerto Rico | Non-PCD | Commercial loans | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 8,052 5,725
Domestic - Puerto Rico | Non-PCD | Commercial loans | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 2,601 1,689
Domestic - Puerto Rico | Non-PCD | Commercial loans | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 1,708 315
Domestic - Puerto Rico | Non-PCD | Commercial loans | 90+ Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 3,743 3,721
Domestic - Puerto Rico | Non-PCD | Commercial loans | Current    
Financing Receivable, Past Due [Line Items]    
Total loans 2,603,114 2,580,580
Domestic - Puerto Rico | Commercial secured by real estate | Commercial loans    
Financing Receivable, Past Due [Line Items]    
Total loans 1,318,788 1,306,300
Domestic - Puerto Rico | Commercial secured by real estate | Non-PCD | Commercial loans    
Financing Receivable, Past Due [Line Items]    
Total loans 1,257,561 1,241,646
Loans 90+ Days Past Due and Still Accruing 0 0
Domestic - Puerto Rico | Commercial secured by real estate | Non-PCD | Commercial loans | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 3,309 3,319
Domestic - Puerto Rico | Commercial secured by real estate | Non-PCD | Commercial loans | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 294 486
Domestic - Puerto Rico | Commercial secured by real estate | Non-PCD | Commercial loans | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 212 53
Domestic - Puerto Rico | Commercial secured by real estate | Non-PCD | Commercial loans | 90+ Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 2,803 2,780
Domestic - Puerto Rico | Commercial secured by real estate | Non-PCD | Commercial loans | Current    
Financing Receivable, Past Due [Line Items]    
Total loans 1,254,252 1,238,327
Domestic - Puerto Rico | Other commercial and industrial | Non-PCD | Commercial loans    
Financing Receivable, Past Due [Line Items]    
Total loans 1,353,605 1,344,659
Loans 90+ Days Past Due and Still Accruing 0 0
Domestic - Puerto Rico | Other commercial and industrial | Non-PCD | Commercial loans | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 4,743 2,406
Domestic - Puerto Rico | Other commercial and industrial | Non-PCD | Commercial loans | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 2,307 1,203
Domestic - Puerto Rico | Other commercial and industrial | Non-PCD | Commercial loans | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 1,496 262
Domestic - Puerto Rico | Other commercial and industrial | Non-PCD | Commercial loans | 90+ Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 940 941
Domestic - Puerto Rico | Other commercial and industrial | Non-PCD | Commercial loans | Current    
Financing Receivable, Past Due [Line Items]    
Total loans 1,348,862 1,342,253
US – Federal | Commercial loans    
Financing Receivable, Past Due [Line Items]    
Total loans 871,640 829,975
US – Federal | Non-PCD | Commercial loans    
Financing Receivable, Past Due [Line Items]    
Total loans 871,640 829,975
Loans 90+ Days Past Due and Still Accruing 0 0
US – Federal | Non-PCD | Commercial loans | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 0 5,809
US – Federal | Non-PCD | Commercial loans | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 0 0
US – Federal | Non-PCD | Commercial loans | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 0 0
US – Federal | Non-PCD | Commercial loans | 90+ Days Past Due    
Financing Receivable, Past Due [Line Items]    
Total loans 0 5,809
US – Federal | Non-PCD | Commercial loans | Current    
Financing Receivable, Past Due [Line Items]    
Total loans $ 871,640 $ 824,166