v3.26.1
Loans - Amortized cost basis and interest income recognized on non-accrual loans (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance $ 126,023 $ 142,079
Non-accrual with allowance 332,094 356,264
Mortgages    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 60,697 60,034
Non-accrual with allowance 78,370 85,761
Commercial | Commercial multi-family    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 10,632 8,137
Non-accrual with allowance 330 611
Commercial | CRE non-owner occupied    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 29,197 38,387
Non-accrual with allowance 4,247 4,325
Commercial | CRE owner occupied    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 6,617 16,576
Non-accrual with allowance 7,575 7,991
Commercial | Commercial and Industrial    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 12,178 12,230
Non-accrual with allowance 180,339 178,182
Leasing    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 542 771
Non-accrual with allowance 8,350 8,408
Consumer | Home equity lines of credit    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 0 0
Non-accrual with allowance 2,766 2,796
Consumer | Personal loans    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 3,484 3,314
Non-accrual with allowance 13,176 16,782
Consumer | Auto Loan    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 2,313 2,252
Non-accrual with allowance 33,077 49,948
Consumer | Other    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 363 378
Non-accrual with allowance 3,864 1,460
Puerto Rico    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 101,699 120,246
Non-accrual with allowance 318,574 338,463
Puerto Rico | Mortgages    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 59,937 59,302
Non-accrual with allowance 69,430 73,071
Puerto Rico | Commercial | Commercial multi-family    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 0 0
Non-accrual with allowance 0 112
Puerto Rico | Commercial | CRE non-owner occupied    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 22,240 31,408
Non-accrual with allowance 4,217 4,284
Puerto Rico | Commercial | CRE owner occupied    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 6,617 16,576
Non-accrual with allowance 7,575 7,991
Puerto Rico | Commercial | Commercial and Industrial    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 6,203 6,245
Non-accrual with allowance 179,790 177,669
Puerto Rico | Leasing    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 542 771
Non-accrual with allowance 8,350 8,408
Puerto Rico | Consumer | Home equity lines of credit    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 0 0
Non-accrual with allowance 0 0
Puerto Rico | Consumer | Personal loans    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 3,484 3,314
Non-accrual with allowance 12,271 15,549
Puerto Rico | Consumer | Auto Loan    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 2,313 2,252
Non-accrual with allowance 33,077 49,948
Puerto Rico | Consumer | Other    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 363 378
Non-accrual with allowance 3,864 1,431
Popular U.S.    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 24,324 21,833
Non-accrual with allowance 13,520 17,801
Popular U.S. | Mortgages    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 760 732
Non-accrual with allowance 8,940 12,690
Popular U.S. | Commercial | Commercial multi-family    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 10,632 8,137
Non-accrual with allowance 330 499
Popular U.S. | Commercial | CRE non-owner occupied    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 6,957 6,979
Non-accrual with allowance 30 41
Popular U.S. | Commercial | CRE owner occupied    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 0 0
Non-accrual with allowance 0 0
Popular U.S. | Commercial | Commercial and Industrial    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 5,975 5,985
Non-accrual with allowance 549 513
Popular U.S. | Leasing    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 0 0
Non-accrual with allowance 0 0
Popular U.S. | Consumer | Home equity lines of credit    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 0 0
Non-accrual with allowance 2,766 2,796
Popular U.S. | Consumer | Personal loans    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 0 0
Non-accrual with allowance 905 1,233
Popular U.S. | Consumer | Auto Loan    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 0 0
Non-accrual with allowance 0 0
Popular U.S. | Consumer | Other    
Financing receivable nonaccrual status [Line Items]    
Non-accrual with no allowance 0 0
Non-accrual with allowance $ 0 $ 29