v3.25.1
Loans - Amortized cost basis of collateral dependent loans by class (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross $ 37,254,032 $ 37,107,652
Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 287,563 313,220
Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 266,830 283,219
Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 18,239 17,219
Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 102 19
Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 130  
Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 2,262 12,763
Construction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 1,358,979 1,263,792
Construction | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross   576
Construction | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross   576
Construction | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross   0
Construction | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross   0
Construction | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross   0
Mortgages    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 8,273,753 8,114,183
Mortgages | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 66,021 79,340
Mortgages | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 66,021 79,340
Mortgages | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Mortgages | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Mortgages | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0  
Mortgages | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Commercial | Commercial multi-family    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 2,374,915 2,399,620
Commercial | Commercial multi-family | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 9,962 15,795
Commercial | Commercial multi-family | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 9,962 15,795
Commercial | Commercial multi-family | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Commercial | Commercial multi-family | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Commercial | Commercial multi-family | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0  
Commercial | Commercial multi-family | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Commercial | CRE non-owner occupied    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 5,540,603 5,363,235
Commercial | CRE non-owner occupied | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 160,947 153,090
Commercial | CRE non-owner occupied | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 160,947 153,090
Commercial | CRE non-owner occupied | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Commercial | CRE non-owner occupied | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Commercial | CRE non-owner occupied | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0  
Commercial | CRE non-owner occupied | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Commercial | CRE owner occupied    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 2,956,559 3,157,746
Commercial | CRE owner occupied | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 24,202 28,317
Commercial | CRE owner occupied | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 24,202 28,317
Commercial | CRE owner occupied | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Commercial | CRE owner occupied | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Commercial | CRE owner occupied | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0  
Commercial | CRE owner occupied | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Commercial | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 7,693,523 7,741,562
Commercial | Commercial and Industrial | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 5,064 15,519
Commercial | Commercial and Industrial | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 2,584 2,754
Commercial | Commercial and Industrial | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Commercial | Commercial and Industrial | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 102 18
Commercial | Commercial and Industrial | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 130  
Commercial | Commercial and Industrial | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 2,248 12,747
Consumer | Personal loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 1,850,023 1,855,244
Consumer | Personal loans | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 3,114 3,347
Consumer | Personal loans | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 3,114 3,347
Consumer | Personal loans | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Consumer | Personal loans | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Consumer | Personal loans | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0  
Consumer | Personal loans | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Consumer | Auto Loan    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 3,820,242 3,823,437
Consumer | Auto Loan | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 16,045 15,782
Consumer | Auto Loan | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Consumer | Auto Loan | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 16,045 15,782
Consumer | Auto Loan | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Consumer | Auto Loan | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0  
Consumer | Auto Loan | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Consumer | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 170,844 171,778
Consumer | Other | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 14 16
Consumer | Other | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Consumer | Other | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Consumer | Other | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Consumer | Other | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0  
Consumer | Other | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 14 16
Leasing    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 1,949,705 1,925,405
Leasing | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 2,194 1,438
Leasing | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Leasing | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 2,194 1,437
Leasing | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 1
Leasing | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0  
Leasing | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 26,124,608 26,179,021
Puerto Rico | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 263,980 284,029
Puerto Rico | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 243,265 255,200
Puerto Rico | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 18,239 17,219
Puerto Rico | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 84 1
Puerto Rico | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 130  
Puerto Rico | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 2,262 11,609
Puerto Rico | Construction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 230,203 212,290
Puerto Rico | Construction | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross   576
Puerto Rico | Construction | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross   576
Puerto Rico | Construction | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross   0
Puerto Rico | Construction | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross   0
Puerto Rico | Construction | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross   0
Puerto Rico | Mortgages    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 6,945,942 6,809,881
Puerto Rico | Mortgages | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 64,013 77,910
Puerto Rico | Mortgages | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 64,013 77,910
Puerto Rico | Mortgages | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Mortgages | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Mortgages | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0  
Puerto Rico | Mortgages | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Commercial | Commercial multi-family    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 308,311 308,001
Puerto Rico | Commercial | Commercial multi-family | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 1,262 1,278
Puerto Rico | Commercial | Commercial multi-family | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 1,262 1,278
Puerto Rico | Commercial | Commercial multi-family | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Commercial | Commercial multi-family | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Commercial | Commercial multi-family | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0  
Puerto Rico | Commercial | Commercial multi-family | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Commercial | CRE non-owner occupied    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 3,313,802 3,246,503
Puerto Rico | Commercial | CRE non-owner occupied | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 148,090 145,974
Puerto Rico | Commercial | CRE non-owner occupied | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 148,090 145,974
Puerto Rico | Commercial | CRE non-owner occupied | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Commercial | CRE non-owner occupied | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Commercial | CRE non-owner occupied | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0  
Puerto Rico | Commercial | CRE non-owner occupied | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Commercial | CRE owner occupied    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 1,203,412 1,375,911
Puerto Rico | Commercial | CRE owner occupied | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 24,202 23,361
Puerto Rico | Commercial | CRE owner occupied | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 24,202 23,361
Puerto Rico | Commercial | CRE owner occupied | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Commercial | CRE owner occupied | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Commercial | CRE owner occupied | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0  
Puerto Rico | Commercial | CRE owner occupied | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Commercial | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 5,248,558 5,346,894
Puerto Rico | Commercial | Commercial and Industrial | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 5,046 14,347
Puerto Rico | Commercial | Commercial and Industrial | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 2,584 2,754
Puerto Rico | Commercial | Commercial and Industrial | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Commercial | Commercial and Industrial | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 84 0
Puerto Rico | Commercial | Commercial and Industrial | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 130  
Puerto Rico | Commercial | Commercial and Industrial | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 2,248 11,593
Puerto Rico | Consumer | Personal loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 1,755,875 1,750,377
Puerto Rico | Consumer | Personal loans | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 3,114 3,347
Puerto Rico | Consumer | Personal loans | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 3,114 3,347
Puerto Rico | Consumer | Personal loans | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Consumer | Personal loans | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Consumer | Personal loans | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0  
Puerto Rico | Consumer | Personal loans | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Consumer | Auto Loan    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 3,820,242 3,823,437
Puerto Rico | Consumer | Auto Loan | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 16,045 15,782
Puerto Rico | Consumer | Auto Loan | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Consumer | Auto Loan | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 16,045 15,782
Puerto Rico | Consumer | Auto Loan | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Consumer | Auto Loan | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0  
Puerto Rico | Consumer | Auto Loan | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Consumer | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 158,723 160,229
Puerto Rico | Consumer | Other | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 14 16
Puerto Rico | Consumer | Other | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Consumer | Other | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Consumer | Other | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Consumer | Other | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0  
Puerto Rico | Consumer | Other | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 14 16
Puerto Rico | Leasing    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 1,949,705 1,925,405
Puerto Rico | Leasing | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 2,194 1,438
Puerto Rico | Leasing | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Puerto Rico | Leasing | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 2,194 1,437
Puerto Rico | Leasing | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 1
Puerto Rico | Leasing | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0  
Puerto Rico | Leasing | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Popular U.S.    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 11,129,424 10,928,631
Popular U.S. | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 23,583 29,191
Popular U.S. | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 23,565 28,019
Popular U.S. | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Popular U.S. | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 18 18
Popular U.S. | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0  
Popular U.S. | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 1,154
Popular U.S. | Construction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 1,128,776 1,051,502
Popular U.S. | Mortgages    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 1,327,811 1,304,302
Popular U.S. | Mortgages | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 2,008 1,430
Popular U.S. | Mortgages | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 2,008 1,430
Popular U.S. | Mortgages | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Popular U.S. | Mortgages | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Popular U.S. | Mortgages | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0  
Popular U.S. | Mortgages | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Popular U.S. | Commercial | Commercial multi-family    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 2,066,604 2,091,619
Popular U.S. | Commercial | Commercial multi-family | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 8,700 14,517
Popular U.S. | Commercial | Commercial multi-family | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 8,700 14,517
Popular U.S. | Commercial | Commercial multi-family | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Popular U.S. | Commercial | Commercial multi-family | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Popular U.S. | Commercial | Commercial multi-family | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0  
Popular U.S. | Commercial | Commercial multi-family | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Popular U.S. | Commercial | CRE non-owner occupied    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 2,226,801 2,116,732
Popular U.S. | Commercial | CRE non-owner occupied | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 12,857 7,116
Popular U.S. | Commercial | CRE non-owner occupied | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 12,857 7,116
Popular U.S. | Commercial | CRE non-owner occupied | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Popular U.S. | Commercial | CRE non-owner occupied | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Popular U.S. | Commercial | CRE non-owner occupied | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0  
Popular U.S. | Commercial | CRE non-owner occupied | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Popular U.S. | Commercial | CRE owner occupied    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 1,753,147 1,781,835
Popular U.S. | Commercial | CRE owner occupied | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross   4,956
Popular U.S. | Commercial | CRE owner occupied | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross   4,956
Popular U.S. | Commercial | CRE owner occupied | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross   0
Popular U.S. | Commercial | CRE owner occupied | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross   0
Popular U.S. | Commercial | CRE owner occupied | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross   0
Popular U.S. | Commercial | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 2,444,965 2,394,668
Popular U.S. | Commercial | Commercial and Industrial | Collateral assets    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 18 1,172
Popular U.S. | Commercial | Commercial and Industrial | Real Estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Popular U.S. | Commercial | Commercial and Industrial | Auto    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 0
Popular U.S. | Commercial | Commercial and Industrial | Equipment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 18 18
Popular U.S. | Commercial | Commercial and Industrial | Accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0  
Popular U.S. | Commercial | Commercial and Industrial | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 0 1,154
Popular U.S. | Consumer | Personal loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross 94,148 104,867
Popular U.S. | Consumer | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes Receivable Gross $ 12,121 $ 11,549