Allowance for credit losses - Allowance Movement (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	$ 729,341	$ 720,302
Provision for credit losses (benefit)	258,441	201,539
Allowance for credit losses - PCD Loans	34	89
Charge-offs	(326,518)	(235,468)
Recoveries	84,726	89,063
Net Write Down		(601)
Ending balance	746,024	729,341
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	17,006	8,805
Provision for credit losses (benefit)	(1,536)	8,201
Allowance for credit losses - PCD Loans	0	0
Charge-offs	0	0
Recoveries	0	0
Net Write Down		0
Balance at end of period	15,470	17,006
ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(45,583)
Allowance for credit losses - unfunded commitments:
Impact of adopting ASU 2022-02		0
Construction
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	12,686	4,246
Provision for credit losses (benefit)	(2,558)	11,050
Allowance for credit losses - PCD Loans	0	0
Charge-offs	0	(2,611)
Recoveries	1,136	1
Net Write Down		0
Ending balance	11,264	12,686
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	10,064	3,206
Provision for credit losses (benefit)	(2,992)	6,858
Allowance for credit losses - PCD Loans	0	0
Charge-offs	0	0
Recoveries	0	0
Net Write Down		0
Balance at end of period	7,072	10,064
Construction | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		0
Allowance for credit losses - unfunded commitments:
Impact of adopting ASU 2022-02		0
Mortgages
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	83,214	135,254
Provision for credit losses (benefit)	(14,961)	(30,543)
Allowance for credit losses - PCD Loans	34	89
Charge-offs	(1,102)	(1,638)
Recoveries	15,224	15,706
Net Write Down		0
Ending balance	82,409	83,214
Mortgages | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(35,654)
Commercial
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	258,413	235,376
Provision for credit losses (benefit)	20,565	17,005
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(32,103)	(18,769)
Recoveries	12,689	26,514
Net Write Down		0
Ending balance	259,564	258,413
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	6,913	5,511
Provision for credit losses (benefit)	1,474	1,402
Allowance for credit losses - PCD Loans	0	0
Charge-offs	0	0
Recoveries	0	0
Net Write Down		0
Balance at end of period	8,387	6,913
Commercial | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(1,713)
Allowance for credit losses - unfunded commitments:
Impact of adopting ASU 2022-02		0
Commercial | Commercial multi-family
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	13,740	26,311
Provision for credit losses (benefit)	(4,077)	(12,577)
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(441)	0
Recoveries	14	6
Net Write Down		0
Ending balance	9,236	13,740
Commercial | Commercial multi-family | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		0
Commercial | CRE non-owner occupied
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	65,453	71,540
Provision for credit losses (benefit)	(12,163)	(8,242)
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(182)	(1,323)
Recoveries	1,386	3,478
Net Write Down		0
Ending balance	54,494	65,453
Commercial | CRE non-owner occupied | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		0
Commercial | CRE owner occupied
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	56,864	57,081
Provision for credit losses (benefit)	(7,917)	3,356
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(2,947)	(5,832)
Recoveries	3,828	3,420
Net Write Down		0
Ending balance	49,828	56,864
Commercial | CRE owner occupied | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(1,161)
Commercial | Commercial and industrial
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	122,356	80,444
Provision for credit losses (benefit)	44,722	34,468
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(28,533)	(11,614)
Recoveries	7,461	19,610
Net Write Down		0
Ending balance	146,006	122,356
Commercial | Commercial and industrial | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(552)
Leasing
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	9,708	20,618
Provision for credit losses (benefit)	18,967	(3,836)
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(16,975)	(10,879)
Recoveries	4,719	3,840
Net Write Down		0
Ending balance	16,419	9,708
Leasing | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(35)
Consumer
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	365,320	324,808
Provision for credit losses (benefit)	236,428	207,863
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(276,338)	(201,571)
Recoveries	50,958	43,002
Net Write Down		(601)
Ending balance	376,368	365,320
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	29	88
Provision for credit losses (benefit)	(18)	(59)
Allowance for credit losses - PCD Loans	0	0
Charge-offs	0	0
Recoveries	0	0
Net Write Down		0
Balance at end of period	11	29
Consumer | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(8,181)
Allowance for credit losses - unfunded commitments:
Impact of adopting ASU 2022-02		0
Consumer | Credit card
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	80,487	58,670
Provision for credit losses (benefit)	78,024	54,650
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(69,731)	(41,008)
Recoveries	10,350	8,776
Net Write Down		(601)
Ending balance	99,130	80,487
Consumer | Credit card | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		0
Consumer | HELOC
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	1,978	2,542
Provision for credit losses (benefit)	(1,226)	(1,213)
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(433)	(684)
Recoveries	1,184	1,333
Net Write Down		0
Ending balance	1,503	1,978
Consumer | HELOC | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		0
Consumer | Personal loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	117,790	118,426
Provision for credit losses (benefit)	89,852	87,747
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(117,872)	(91,948)
Recoveries	12,966	11,725
Net Write Down		0
Ending balance	102,736	117,790
Consumer | Personal loans | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(8,160)
Consumer | Auto Loan
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	157,931	129,735
Provision for credit losses (benefit)	68,096	63,185
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(85,400)	(55,306)
Recoveries	25,368	20,338
Net Write Down		0
Ending balance	165,995	157,931
Consumer | Auto Loan | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(21)
Consumer | Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	7,134	15,435
Provision for credit losses (benefit)	1,682	3,494
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(2,902)	(12,625)
Recoveries	1,090	830
Net Write Down		0
Ending balance	7,004	7,134
Consumer | Other | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		0
Puerto Rico
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	639,858	615,545
Provision for credit losses (benefit)	253,828	194,834
Allowance for credit losses - PCD Loans	34	89
Charge-offs	(302,516)	(209,391)
Recoveries	79,462	81,727
Net Write Down		(601)
Ending balance	670,666	639,858
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	6,680	6,358
Provision for credit losses (benefit)	1,708	322
Allowance for credit losses - PCD Loans	0	0
Charge-offs	0	0
Recoveries	0	0
Net Write Down		0
Balance at end of period	8,388	6,680
Puerto Rico | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(42,345)
Allowance for credit losses - unfunded commitments:
Impact of adopting ASU 2022-02		0
Puerto Rico | Construction
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	5,294	2,978
Impact of adopting ASU 2022-02		0
Provision for credit losses (benefit)	(3,587)	4,926
Allowance for credit losses - PCD Loans	0	0
Charge-offs	0	(2,611)
Recoveries	1,036	1
Net Write Down		0
Ending balance	2,743	5,294
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	1,618	2,022
Provision for credit losses (benefit)	45	(404)
Allowance for credit losses - PCD Loans	0	0
Charge-offs	0	0
Recoveries	0	0
Net Write Down		0
Balance at end of period	1,663	1,618
Puerto Rico | Construction | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		0
Allowance for credit losses - unfunded commitments:
Impact of adopting ASU 2022-02		0
Puerto Rico | Mortgages
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	72,440	117,344
Provision for credit losses (benefit)	(13,580)	(25,295)
Allowance for credit losses - PCD Loans	34	89
Charge-offs	(1,084)	(1,638)
Recoveries	15,091	15,496
Net Write Down		0
Ending balance	72,901	72,440
Puerto Rico | Mortgages | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(33,556)
Puerto Rico | Commercial
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	205,582	174,295
Provision for credit losses (benefit)	25,758	23,799
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(27,476)	(13,306)
Recoveries	11,262	22,507
Net Write Down		0
Ending balance	215,126	205,582
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	5,062	4,336
Provision for credit losses (benefit)	1,663	726
Allowance for credit losses - PCD Loans	0	0
Charge-offs	0	0
Recoveries	0	0
Net Write Down		0
Balance at end of period	6,725	5,062
Puerto Rico | Commercial | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(1,713)
Allowance for credit losses - unfunded commitments:
Impact of adopting ASU 2022-02		0
Puerto Rico | Commercial | Commercial multi-family
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	3,614	5,210
Provision for credit losses (benefit)	(834)	(1,597)
Allowance for credit losses - PCD Loans	0	0
Charge-offs	0	0
Recoveries	3	1
Net Write Down		0
Ending balance	2,783	3,614
Puerto Rico | Commercial | Commercial multi-family | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		0
Puerto Rico | Commercial | CRE non-owner occupied
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	53,754	52,475
Provision for credit losses (benefit)	(9,630)	980
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(128)	(1,130)
Recoveries	856	1,429
Net Write Down		0
Ending balance	44,852	53,754
Puerto Rico | Commercial | CRE non-owner occupied | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		0
Puerto Rico | Commercial | CRE owner occupied
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	40,637	48,393
Provision for credit losses (benefit)	(4,196)	(5,495)
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(2,793)	(4,437)
Recoveries	3,707	3,337
Net Write Down		0
Ending balance	37,355	40,637
Puerto Rico | Commercial | CRE owner occupied | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(1,161)
Puerto Rico | Commercial | Commercial and industrial
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	107,577	68,217
Provision for credit losses (benefit)	40,418	29,911
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(24,555)	(7,739)
Recoveries	6,696	17,740
Net Write Down		0
Ending balance	130,136	107,577
Puerto Rico | Commercial | Commercial and industrial | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(552)
Puerto Rico | Leasing
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	9,708	20,618
Provision for credit losses (benefit)	18,967	(3,836)
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(16,975)	(10,879)
Recoveries	4,719	3,840
Net Write Down		0
Ending balance	16,419	9,708
Puerto Rico | Leasing | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(35)
Puerto Rico | Consumer
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	346,834	300,310
Provision for credit losses (benefit)	226,270	195,240
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(256,981)	(180,957)
Recoveries	47,354	39,883
Net Write Down		(601)
Ending balance	363,477	346,834
Puerto Rico | Consumer | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(7,041)
Puerto Rico | Consumer | Credit card
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	80,487	58,670
Provision for credit losses (benefit)	78,024	54,649
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(69,731)	(41,007)
Recoveries	10,350	8,776
Net Write Down		(601)
Ending balance	99,130	80,487
Puerto Rico | Consumer | Credit card | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		0
Puerto Rico | Consumer | HELOC
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	103	103
Provision for credit losses (benefit)	(45)	(155)
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(380)	(213)
Recoveries	376	368
Net Write Down		0
Ending balance	54	103
Puerto Rico | Consumer | HELOC | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		0
Puerto Rico | Consumer | Personal loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	101,181	96,369
Provision for credit losses (benefit)	78,574	74,226
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(98,669)	(71,977)
Recoveries	10,210	9,583
Net Write Down		0
Ending balance	91,296	101,181
Puerto Rico | Consumer | Personal loans | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(7,020)
Puerto Rico | Consumer | Auto Loan
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	157,931	129,735
Provision for credit losses (benefit)	68,096	63,185
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(85,400)	(55,306)
Recoveries	25,368	20,338
Net Write Down		0
Ending balance	165,995	157,931
Puerto Rico | Consumer | Auto Loan | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(21)
Puerto Rico | Consumer | Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	7,132	15,433
Provision for credit losses (benefit)	1,621	3,335
Allowance for credit losses - PCD Loans	0	0
Charge-offs	(2,801)	(12,454)
Recoveries	1,050	818
Net Write Down		0
Ending balance	7,002	7,132
Puerto Rico | Consumer | Other | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		0
Popular U.S.
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	89,483	104,757
Provision for credit losses (benefit)	4,613	6,705
Charge-offs	(24,002)	(26,077)
Recoveries	5,264	7,336
Ending balance	75,358	89,483
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	10,326	2,447
Provision for credit losses (benefit)	(3,244)	7,879
Charge-offs	0	0
Recoveries	0	0
Balance at end of period	7,082	10,326
Popular U.S. | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(3,238)
Allowance for credit losses - unfunded commitments:
Impact of adopting ASU 2022-02		0
Popular U.S. | Construction
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	7,392	1,268
Provision for credit losses (benefit)	1,029	6,124
Charge-offs	0	0
Recoveries	100	0
Ending balance	8,521	7,392
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	8,446	1,184
Provision for credit losses (benefit)	(3,037)	7,262
Charge-offs	0	0
Recoveries	0	0
Balance at end of period	5,409	8,446
Popular U.S. | Construction | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		0
Allowance for credit losses - unfunded commitments:
Impact of adopting ASU 2022-02		0
Popular U.S. | Mortgages
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	10,774	17,910
Provision for credit losses (benefit)	(1,381)	(5,248)
Charge-offs	(18)	0
Recoveries	133	210
Ending balance	9,508	10,774
Popular U.S. | Mortgages | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(2,098)
Popular U.S. | Commercial
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	52,831	61,081
Provision for credit losses (benefit)	(5,193)	(6,794)
Charge-offs	(4,627)	(5,463)
Recoveries	1,427	4,007
Ending balance	44,438	52,831
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	1,851	1,175
Provision for credit losses (benefit)	(189)	676
Charge-offs	0	0
Recoveries	0	0
Balance at end of period	1,662	1,851
Popular U.S. | Commercial | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		0
Allowance for credit losses - unfunded commitments:
Impact of adopting ASU 2022-02		0
Popular U.S. | Commercial | Commercial multi-family
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	10,126	21,101
Provision for credit losses (benefit)	(3,243)	(10,980)
Charge-offs	(441)	0
Recoveries	11	5
Ending balance	6,453	10,126
Popular U.S. | Commercial | Commercial multi-family | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		0
Popular U.S. | Commercial | CRE non-owner occupied
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	11,699	19,065
Provision for credit losses (benefit)	(2,533)	(9,222)
Charge-offs	(54)	(193)
Recoveries	530	2,049
Ending balance	9,642	11,699
Popular U.S. | Commercial | CRE non-owner occupied | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		0
Popular U.S. | Commercial | CRE owner occupied
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	16,227	8,688
Provision for credit losses (benefit)	(3,721)	8,851
Charge-offs	(154)	(1,395)
Recoveries	121	83
Ending balance	12,473	16,227
Popular U.S. | Commercial | CRE owner occupied | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		0
Popular U.S. | Commercial | Commercial and industrial
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	14,779	12,227
Provision for credit losses (benefit)	4,304	4,557
Charge-offs	(3,978)	(3,875)
Recoveries	765	1,870
Ending balance	15,870	14,779
Popular U.S. | Commercial | Commercial and industrial | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		0
Popular U.S. | Consumer
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	18,486	24,498
Provision for credit losses (benefit)	10,158	12,623
Charge-offs	(19,357)	(20,614)
Recoveries	3,604	3,119
Ending balance	12,891	18,486
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	29	88
Provision for credit losses (benefit)	(18)	(59)
Charge-offs	0	0
Recoveries	0	0
Balance at end of period	11	29
Popular U.S. | Consumer | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(1,140)
Allowance for credit losses - unfunded commitments:
Impact of adopting ASU 2022-02		0
Popular U.S. | Consumer | Credit card
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	0	0
Provision for credit losses (benefit)		1
Charge-offs		(1)
Recoveries		0
Ending balance		0
Popular U.S. | Consumer | Credit card | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		0
Popular U.S. | Consumer | HELOC
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	1,875	2,439
Provision for credit losses (benefit)	(1,181)	(1,058)
Charge-offs	(53)	(471)
Recoveries	808	965
Ending balance	1,449	1,875
Popular U.S. | Consumer | HELOC | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		0
Popular U.S. | Consumer | Personal loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	16,609	22,057
Provision for credit losses (benefit)	11,278	13,521
Charge-offs	(19,203)	(19,971)
Recoveries	2,756	2,142
Ending balance	11,440	16,609
Popular U.S. | Consumer | Personal loans | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		(1,140)
Popular U.S. | Consumer | Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	2	2
Provision for credit losses (benefit)	61	159
Charge-offs	(101)	(171)
Recoveries	40	12
Ending balance	$ 2	2
Popular U.S. | Consumer | Other | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02		$ 0