Loans - Amortized cost basis of collateral dependent loans by class (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	$ 34,029,313	$ 32,077,769
Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	360,052	406,836
Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	326,113	364,991
Auto
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	13,044	10,576
Equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	160	168
Accounts receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	0	9,853
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	20,735	21,248
Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	922,112	757,984
Construction | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	14,056
Construction | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	14,056
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 | Accounts receivable
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	7,585,111	7,397,471
Mortgages | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	101,200	129,173
Mortgages | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	101,200	129,173
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	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	2,328,433	2,321,713
Commercial | Commercial multi-family | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	1,289	1,329
Commercial | Commercial multi-family | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	1,289	1,329
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	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	5,035,130	4,499,670
Commercial | CRE non-owner occupied | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	169,357	204,434
Commercial | CRE non-owner occupied | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	169,357	204,434
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	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	3,044,905	3,078,549
Commercial | CRE owner occupied | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	34,384	23,329
Commercial | CRE owner occupied | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	34,384	23,329
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	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	6,527,082	5,839,200
Commercial | Commercial and Industrial | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	21,671	32,351
Commercial | Commercial and Industrial | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	1,086	1,345
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	160	168
Commercial | Commercial and Industrial | Accounts receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	0	9,853
Commercial | Commercial and Industrial | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	20,425	20,985
Consumer | Personal loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	1,952,168	1,823,579
Consumer | Personal loans | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	4,741	5,381
Consumer | Personal loans | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	4,741	5,381
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	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	3,633,196	3,512,530
Consumer | Auto Loan | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	11,941	9,556
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	11,941	9,556
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	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	158,135	147,548
Consumer | Other | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	310	263
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	0
Consumer | Other | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	310	263
Leasing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	1,698,114	1,585,739
Leasing | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	1,103	1,020
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	1,103	1,020
Leasing | Equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	0	0
Leasing | Accounts receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	0	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	23,762,570	22,546,905
Puerto Rico | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	348,233	399,047
Puerto Rico | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	315,854	357,338
Puerto Rico | Auto
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	13,044	10,576
Puerto Rico | Equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	0	32
Puerto Rico | Accounts receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	0	9,853
Puerto Rico | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	19,335	21,248
Puerto Rico | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	170,507	147,041
Puerto Rico | Construction | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	8,747
Puerto Rico | Construction | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	8,747
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 | Accounts receivable
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	6,289,268	6,110,279
Puerto Rico | Mortgages | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	100,127	128,069
Puerto Rico | Mortgages | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	100,127	128,069
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	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	294,814	281,373
Puerto Rico | Commercial | Commercial multi-family | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	1,289	1,329
Puerto Rico | Commercial | Commercial multi-family | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	1,289	1,329
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	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	2,948,881	2,757,327
Puerto Rico | Commercial | CRE non-owner occupied | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	169,357	202,980
Puerto Rico | Commercial | CRE non-owner occupied | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	169,357	202,980
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	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	1,407,553	1,588,056
Puerto Rico | Commercial | CRE owner occupied | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	30,507	18,234
Puerto Rico | Commercial | CRE owner occupied | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	30,507	18,234
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	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	4,329,818	3,796,508
Puerto Rico | Commercial | Commercial and Industrial | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	20,111	32,215
Puerto Rico | Commercial | Commercial and Industrial | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	1,086	1,345
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	0	32
Puerto Rico | Commercial | Commercial and Industrial | Accounts receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	0	9,853
Puerto Rico | Commercial | Commercial and Industrial | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	19,025	20,985
Puerto Rico | Consumer | Personal loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	1,763,002	1,585,687
Puerto Rico | Consumer | Personal loans | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	4,741	5,381
Puerto Rico | Consumer | Personal loans | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	4,741	5,381
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	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	3,633,196	3,512,530
Puerto Rico | Consumer | Auto Loan | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	11,941	9,556
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	11,941	9,556
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	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	147,532	137,580
Puerto Rico | Consumer | Other | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	310	263
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	0
Puerto Rico | Consumer | Other | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	310	263
Puerto Rico | Leasing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	1,698,114	1,585,739
Puerto Rico | Leasing | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	1,103	1,020
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	1,103	1,020
Puerto Rico | Leasing | Equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	0	0
Puerto Rico | Leasing | Accounts receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	0	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	10,266,743	9,530,864
Popular U.S. | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	11,819	7,789
Popular U.S. | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	10,259	7,653
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	160	136
Popular U.S. | Accounts receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	0	0
Popular U.S. | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	1,400	0
Popular U.S. | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	751,605	610,943
Popular U.S. | Construction | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	5,309
Popular U.S. | Construction | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	5,309
Popular U.S. | Construction | Auto
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	0
Popular U.S. | Construction | Equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	0
Popular U.S. | Construction | Accounts receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	0
Popular U.S. | Construction | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	0
Popular U.S. | Mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	1,295,843	1,287,192
Popular U.S. | Mortgages | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	1,073	1,104
Popular U.S. | Mortgages | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	1,073	1,104
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	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	2,033,619	2,040,340
Popular U.S. | Commercial | CRE non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	2,086,249	1,742,343
Popular U.S. | Commercial | CRE non-owner occupied | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross		1,454
Popular U.S. | Commercial | CRE non-owner occupied | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross		1,454
Popular U.S. | Commercial | CRE non-owner occupied | Auto
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross		0
Popular U.S. | Commercial | CRE non-owner occupied | Equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross		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
Popular U.S. | Commercial | CRE owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	1,637,352	1,490,493
Popular U.S. | Commercial | CRE owner occupied | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	3,877	5,095
Popular U.S. | Commercial | CRE owner occupied | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	3,877	5,095
Popular U.S. | Commercial | CRE owner occupied | Auto
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	0	0
Popular U.S. | Commercial | CRE owner occupied | Equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	0	0
Popular U.S. | Commercial | CRE owner occupied | Accounts receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	0	0
Popular U.S. | Commercial | CRE owner occupied | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	0	0
Popular U.S. | Commercial | Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	2,197,264	2,042,692
Popular U.S. | Commercial | Commercial and Industrial | Collateral assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	1,560	136
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	160	136
Popular U.S. | Commercial | Commercial and Industrial | Accounts receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	0	0
Popular U.S. | Commercial | Commercial and Industrial | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	1,400	0
Popular U.S. | Consumer | Personal loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	189,166	237,892
Popular U.S. | Consumer | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes Receivable Gross	$ 10,603	$ 9,968