v3.26.1
LOANS (Investment in Loans on Non-Accrual Status) (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss $ 59,462 $ 122,244
Non-accrual with no Allowance for Credit Loss 2,709 2,338
Total 62,171 124,582
Non-PCD    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 59,241 121,962
Non-accrual with no Allowance for Credit Loss 2,709 2,338
Total 61,950 124,300
Non-PCD | Commercial loans    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 32,139 86,811
Non-accrual with no Allowance for Credit Loss 335 442
Total 32,474 87,253
Non-PCD | Mortgage loans    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 8,725 10,024
Non-accrual with no Allowance for Credit Loss 2,373 1,895
Total 11,098 11,919
Non-PCD | Consumer    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 3,798 4,378
Non-accrual with no Allowance for Credit Loss 0 0
Total 3,798 4,378
Non-PCD | Consumer | Personal loans    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 3,205 3,600
Non-accrual with no Allowance for Credit Loss 0 0
Total 3,205 3,600
Non-PCD | Consumer | Credit lines    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 181 80
Non-accrual with no Allowance for Credit Loss 0 0
Total 181 80
Non-PCD | Consumer | Credit cards    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 412 698
Non-accrual with no Allowance for Credit Loss 0 0
Total 412 698
Non-PCD | Auto loans    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 14,579 20,749
Non-accrual with no Allowance for Credit Loss 1 1
Total 14,580 20,750
PCD    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 221 282
Non-accrual with no Allowance for Credit Loss 0 0
Total 221 282
PCD | Mortgage loans    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 221 227
Non-accrual with no Allowance for Credit Loss 0 0
Total 221 227
Domestic - Puerto Rico | Non-PCD | Commercial loans    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 5,550 49,227
Non-accrual with no Allowance for Credit Loss 335 442
Total 5,885 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 2,850 2,724
Non-accrual with no Allowance for Credit Loss 274 294
Total 3,124 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 2,700 46,503
Non-accrual with no Allowance for Credit Loss 61 148
Total 2,761 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 0 55
Non-accrual with no Allowance for Credit Loss 0 0
Total 0 55
US – Federal | Non-PCD | Commercial loans    
Financing Receivable, Nonaccrual [Line Items]    
Non-accrual with Allowance for Credit Loss 26,589 37,584
Non-accrual with no Allowance for Credit Loss 0 0
Total $ 26,589 $ 37,584