Allowance for credit losses - Performance of loans modified (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	$ 455,470	$ 466,303
Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	48,804	63,387
Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	11,769	10,577
Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	4,900	3,736
Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	32,135	49,074
With payment default	8,645	9,114
Without payment default	23,490	39,960
Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	406,666	402,916
Construction
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	576	5,990
Construction | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Construction | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Construction | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Construction | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
With payment default	0	0
Without payment default	0	0
Construction | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	576	5,990
Mortgages
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	67,655	96,919
Mortgages | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	30,352	39,394
Mortgages | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	5,253	7,520
Mortgages | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	4,127	3,358
Mortgages | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	20,972	28,516
With payment default	7,679	8,319
Without payment default	13,293	20,197
Mortgages | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	37,303	57,525
Commercial | Commercial multi-family
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	5,818	65
Commercial | Commercial multi-family | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	65
Commercial | Commercial multi-family | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Commercial | Commercial multi-family | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Commercial | Commercial multi-family | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	65
With payment default	0	0
Without payment default	0	65
Commercial | Commercial multi-family | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	5,818	0
Commercial | CRE non-owner occupied
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	37,925	55,335
Commercial | CRE non-owner occupied | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	1,340	2,094
Commercial | CRE non-owner occupied | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Commercial | CRE non-owner occupied | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Commercial | CRE non-owner occupied | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	1,340	2,094
With payment default	0	0
Without payment default	1,340	2,094
Commercial | CRE non-owner occupied | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	36,585	53,241
Commercial | CRE owner occupied
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	191,911	250,991
Commercial | CRE owner occupied | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	7,968	2,606
Commercial | CRE owner occupied | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	5,509	339
Commercial | CRE owner occupied | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	112	0
Commercial | CRE owner occupied | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	2,347	2,267
With payment default	0	0
Without payment default	2,347	2,267
Commercial | CRE owner occupied | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	183,943	248,385
Commercial | Commercial and Industrial
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	134,483	51,658
Commercial | Commercial and Industrial | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	5,026	17,727
Commercial | Commercial and Industrial | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	217	2,519
Commercial | Commercial and Industrial | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	108	327
Commercial | Commercial and Industrial | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	4,701	14,881
With payment default	399	556
Without payment default	4,302	14,325
Commercial | Commercial and Industrial | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	129,457	33,931
Consumer | Credit card
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	4,364	1,514
Consumer | Credit card | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	1,468	404
Consumer | Credit card | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	491	59
Consumer | Credit card | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	347	51
Consumer | Credit card | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	630	294
With payment default	362	176
Without payment default	268	118
Consumer | Credit card | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	2,896	1,110
Consumer | Home equity lines of credit
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification		0
Consumer | Home equity lines of credit | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification		0
Consumer | Home equity lines of credit | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification		0
Consumer | Home equity lines of credit | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification		0
Consumer | Home equity lines of credit | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification		0
With payment default		0
Without payment default		0
Consumer | Home equity lines of credit | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification		0
Consumer | Personal loans
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	12,632	3,707
Consumer | Personal loans | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	2,650	1,082
Consumer | Personal loans | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	299	140
Consumer | Personal loans | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	206	0
Consumer | Personal loans | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	2,145	942
With payment default	205	63
Without payment default	1,940	879
Consumer | Personal loans | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	9,982	2,625
Consumer | Auto Loan
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	83	118
Consumer | Auto Loan | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	15
Consumer | Auto Loan | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Consumer | Auto Loan | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Consumer | Auto Loan | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	15
With payment default	0	0
Without payment default	0	15
Consumer | Auto Loan | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	83	103
Consumer | Other
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	23	6
Consumer | Other | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Consumer | Other | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Consumer | Other | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Consumer | Other | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
With payment default	0	0
Without payment default	0	0
Consumer | Other | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	23	6
Puerto Rico
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	441,103	379,064
Puerto Rico | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	47,954	62,624
Puerto Rico | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	11,758	10,577
Puerto Rico | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	4,895	3,486
Puerto Rico | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	31,301	48,561
With payment default	8,630	9,114
Without payment default	22,671	39,447
Puerto Rico | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	393,149	316,440
Puerto Rico | Construction
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	576	0
Puerto Rico | Construction | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Puerto Rico | Construction | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Puerto Rico | Construction | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Puerto Rico | Construction | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
With payment default	0	0
Without payment default	0	0
Puerto Rico | Construction | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	576	0
Puerto Rico | Mortgages
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	66,129	91,064
Puerto Rico | Mortgages | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	29,616	39,006
Puerto Rico | Mortgages | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	5,253	7,520
Puerto Rico | Mortgages | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	4,127	3,358
Puerto Rico | Mortgages | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	20,236	28,128
With payment default	7,679	8,319
Without payment default	12,557	19,809
Puerto Rico | Mortgages | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	36,513	52,058
Puerto Rico | Commercial | Commercial multi-family
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	65
Puerto Rico | Commercial | Commercial multi-family | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	65
Puerto Rico | Commercial | Commercial multi-family | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Puerto Rico | Commercial | Commercial multi-family | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Puerto Rico | Commercial | Commercial multi-family | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	65
With payment default	0	0
Without payment default	0	65
Puerto Rico | Commercial | Commercial multi-family | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Puerto Rico | Commercial | CRE non-owner occupied
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	37,925	55,335
Puerto Rico | Commercial | CRE non-owner occupied | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	1,340	2,094
Puerto Rico | Commercial | CRE non-owner occupied | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Puerto Rico | Commercial | CRE non-owner occupied | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Puerto Rico | Commercial | CRE non-owner occupied | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	1,340	2,094
With payment default	0	0
Without payment default	1,340	2,094
Puerto Rico | Commercial | CRE non-owner occupied | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	36,585	53,241
Puerto Rico | Commercial | CRE owner occupied
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	185,918	176,854
Puerto Rico | Commercial | CRE owner occupied | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	7,968	2,606
Puerto Rico | Commercial | CRE owner occupied | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	5,509	339
Puerto Rico | Commercial | CRE owner occupied | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	112	0
Puerto Rico | Commercial | CRE owner occupied | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	2,347	2,267
With payment default	0	0
Without payment default	2,347	2,267
Puerto Rico | Commercial | CRE owner occupied | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	177,950	174,248
Puerto Rico | Commercial | Commercial and Industrial
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	133,799	50,594
Puerto Rico | Commercial | Commercial and Industrial | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	5,026	17,477
Puerto Rico | Commercial | Commercial and Industrial | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	217	2,519
Puerto Rico | Commercial | Commercial and Industrial | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	108	77
Puerto Rico | Commercial | Commercial and Industrial | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	4,701	14,881
With payment default	399	556
Without payment default	4,302	14,325
Puerto Rico | Commercial | Commercial and Industrial | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	128,773	33,117
Puerto Rico | Consumer | Credit card
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	4,364	1,514
Puerto Rico | Consumer | Credit card | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	1,468	404
Puerto Rico | Consumer | Credit card | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	491	59
Puerto Rico | Consumer | Credit card | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	347	51
Puerto Rico | Consumer | Credit card | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	630	294
With payment default	362	176
Without payment default	268	118
Puerto Rico | Consumer | Credit card | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	2,896	1,110
Puerto Rico | Consumer | Home equity lines of credit
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification		0
Puerto Rico | Consumer | Home equity lines of credit | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification		0
Puerto Rico | Consumer | Home equity lines of credit | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification		0
Puerto Rico | Consumer | Home equity lines of credit | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification		0
Puerto Rico | Consumer | Home equity lines of credit | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification		0
With payment default		0
Without payment default		0
Puerto Rico | Consumer | Home equity lines of credit | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification		0
Puerto Rico | Consumer | Personal loans
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	12,286	3,514
Puerto Rico | Consumer | Personal loans | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	2,536	957
Puerto Rico | Consumer | Personal loans | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	288	140
Puerto Rico | Consumer | Personal loans | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	201	0
Puerto Rico | Consumer | Personal loans | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	2,047	817
With payment default	190	63
Without payment default	1,857	754
Puerto Rico | Consumer | Personal loans | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	9,750	2,557
Puerto Rico | Consumer | Auto Loan
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	83	118
Puerto Rico | Consumer | Auto Loan | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	15
Puerto Rico | Consumer | Auto Loan | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Puerto Rico | Consumer | Auto Loan | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Puerto Rico | Consumer | Auto Loan | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	15
With payment default	0	0
Without payment default	0	15
Puerto Rico | Consumer | Auto Loan | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	83	103
Puerto Rico | Consumer | Other
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	23	6
Puerto Rico | Consumer | Other | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Puerto Rico | Consumer | Other | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Puerto Rico | Consumer | Other | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Puerto Rico | Consumer | Other | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
With payment default	0	0
Without payment default	0	0
Puerto Rico | Consumer | Other | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	23	6
Popular U.S.
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	14,367	87,239
Popular U.S. | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	850	763
Popular U.S. | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	11	0
Popular U.S. | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	5	250
Popular U.S. | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	834	513
With payment default	15	0
Without payment default	819	513
Popular U.S. | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	13,517	86,476
Popular U.S. | Construction
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification		5,990
Popular U.S. | Construction | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification		0
Popular U.S. | Construction | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification		0
Popular U.S. | Construction | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification		0
Popular U.S. | Construction | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification		0
With payment default		0
Without payment default		0
Popular U.S. | Construction | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification		5,990
Popular U.S. | Mortgages
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	1,526	5,855
Popular U.S. | Mortgages | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	736	388
Popular U.S. | Mortgages | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Popular U.S. | Mortgages | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Popular U.S. | Mortgages | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	736	388
With payment default	0	0
Without payment default	736	388
Popular U.S. | Mortgages | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	790	5,467
Popular U.S. | Commercial | Commercial multi-family
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	5,818
Popular U.S. | Commercial | Commercial multi-family | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0
Popular U.S. | Commercial | Commercial multi-family | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0
Popular U.S. | Commercial | Commercial multi-family | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0
Popular U.S. | Commercial | Commercial multi-family | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0
With payment default	0
Without payment default	0
Popular U.S. | Commercial | Commercial multi-family | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	5,818
Popular U.S. | Commercial | CRE owner occupied
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	5,993	74,137
Popular U.S. | Commercial | CRE owner occupied | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Popular U.S. | Commercial | CRE owner occupied | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Popular U.S. | Commercial | CRE owner occupied | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Popular U.S. | Commercial | CRE owner occupied | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
With payment default	0	0
Without payment default	0	0
Popular U.S. | Commercial | CRE owner occupied | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	5,993	74,137
Popular U.S. | Commercial | Commercial and Industrial
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	684	1,064
Popular U.S. | Commercial | Commercial and Industrial | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	250
Popular U.S. | Commercial | Commercial and Industrial | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
Popular U.S. | Commercial | Commercial and Industrial | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	250
Popular U.S. | Commercial | Commercial and Industrial | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	0	0
With payment default	0	0
Without payment default	0	0
Popular U.S. | Commercial | Commercial and Industrial | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	684	814
Popular U.S. | Consumer | Personal loans
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	346	193
Popular U.S. | Consumer | Personal loans | Past due
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	114	125
Popular U.S. | Consumer | Personal loans | Past Due 30 To 59 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	11	0
Popular U.S. | Consumer | Personal loans | Past Due 60 To 89 Days
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	5	0
Popular U.S. | Consumer | Personal loans | Past due 90 days or more
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	98	125
With payment default	15	0
Without payment default	83	125
Popular U.S. | Consumer | Personal loans | Current
Financing Receivable, Modifications [Line Items]
Loan performance in the last 12 months after modification	$ 232	$ 68