v3.26.1
LOANS (Investment in Loans on Non-Accrual Status) (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss $ 112,992 $ 122,244
Non-accrual with no Allowance for Credit Loss 2,399 2,338
Total 115,391 124,582
Non-PCD    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 112,744 121,962
Non-accrual with no Allowance for Credit Loss 2,399 2,338
Total 115,143 124,300
Non-PCD | Commercial loans    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 83,652 86,811
Non-accrual with no Allowance for Credit Loss 352 442
Total 84,004 87,253
Non-PCD | Mortgage loans    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 10,355 10,024
Non-accrual with no Allowance for Credit Loss 2,014 1,895
Total 12,369 11,919
Non-PCD | Consumer    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 3,804 4,378
Non-accrual with no Allowance for Credit Loss 32 0
Total 3,836 4,378
Non-PCD | Consumer | Personal loans    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 2,987 3,600
Non-accrual with no Allowance for Credit Loss 32 0
Total 3,019 3,600
Non-PCD | Consumer | Credit lines    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 276 80
Non-accrual with no Allowance for Credit Loss 0 0
Total 276 80
Non-PCD | Consumer | Credit cards    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 541 698
Non-accrual with no Allowance for Credit Loss 0 0
Total 541 698
Non-PCD | Auto loans    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 14,933 20,749
Non-accrual with no Allowance for Credit Loss 1 1
Total 14,934 20,750
PCD    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 248 282
Non-accrual with no Allowance for Credit Loss 0 0
Total 248 282
PCD | Mortgage loans    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 224 227
Non-accrual with no Allowance for Credit Loss 0 0
Total 224 227
Domestic - Puerto Rico | Non-PCD | Commercial loans    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 49,940 49,227
Non-accrual with no Allowance for Credit Loss 352 442
Total 50,292 49,669
Domestic - Puerto Rico | Non-PCD | Commercial loans | Commercial secured by real estate    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 2,973 2,724
Non-accrual with no Allowance for Credit Loss 284 294
Total 3,257 3,018
Domestic - Puerto Rico | Non-PCD | Commercial loans | Other commercial and industrial    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 46,967 46,503
Non-accrual with no Allowance for Credit Loss 68 148
Total 47,035 46,651
Domestic - Puerto Rico | PCD | Commercial loans | Commercial secured by real estate    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 24 55
Non-accrual with no Allowance for Credit Loss 0 0
Total 24 55
US – Federal | Non-PCD | Commercial loans    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 33,712 37,584
Non-accrual with no Allowance for Credit Loss 0 0
Total $ 33,712 $ 37,584