Allowance for credit losses - Allowance Movement (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	$ 689,120	$ 677,792	$ 720,302	$ 695,366	$ 695,366
Provision for credit losses (benefit)	35,661	9,861	82,807	(4,544)
Allowance for credit losses - PCD Loans	10	170	78	782
Charge-offs	(44,773)	(27,757)	(98,926)	(53,509)
Recoveries	20,783	21,684	42,123	43,655
Net Write Down	(601)		(601)
Ending balance	700,200	681,750	700,200	681,750	720,302
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	9,415	7,054	8,805	7,897	7,897
Provision for credit losses (benefit)	2,178	(150)	2,788	(993)
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net Write Down	0		0
Balance at end of period	11,593	6,904	11,593	6,904	8,805
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	4,330	6,539	4,246	6,363	6,363
Provision for credit losses (benefit)	7,002	(25)	7,086	(1,393)
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	0	0	0	0
Recoveries	0	399	0	1,943
Net Write Down	0		0
Ending balance	11,332	6,913	11,332	6,913	4,246
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	3,224	4,059	3,206	4,725	4,725
Provision for credit losses (benefit)	1,683	(564)	1,701	(1,230)
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net Write Down	0		0
Balance at end of period	4,907	3,495	4,907	3,495	3,206
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	104,477	149,206	135,254	154,478	154,478
Provision for credit losses (benefit)	(11,887)	(5,459)	(11,046)	(14,355)
Allowance for credit losses - PCD Loans	10	170	78	782
Charge-offs	(297)	(1,435)	(1,143)	(2,756)
Recoveries	3,790	5,823	8,604	10,156
Net Write Down	0		0
Ending balance	96,093	148,305	96,093	148,305	135,254
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	243,979	204,643	235,376	215,805	215,805
Provision for credit losses (benefit)	5,466	1,712	12,235	(14,307)
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(4,004)	(1,719)	(6,113)	(2,373)
Recoveries	3,512	4,994	9,168	10,505
Net Write Down	0		0
Ending balance	248,953	209,630	248,953	209,630	235,376
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	6,129	2,965	5,511	3,135	3,135
Provision for credit losses (benefit)	507	384	1,125	214
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net Write Down	0		0
Balance at end of period	6,636	3,349	6,636	3,349	5,511
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	25,366	26,090	26,311	28,468	28,468
Provision for credit losses (benefit)	811	(2,002)	(136)	(4,387)
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	0	0	0	0
Recoveries	2	5	4	12
Net Write Down	0		0
Ending balance	26,179	24,093	26,179	24,093	26,311
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	71,850	67,037	71,540	67,457	67,457
Provision for credit losses (benefit)	230	(3,037)	(1,447)	(3,644)
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(609)	(30)	(609)	(30)
Recoveries	245	707	2,232	894
Net Write Down	0		0
Ending balance	71,716	64,677	71,716	64,677	71,540
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	54,497	57,028	57,081	60,229	60,229
Provision for credit losses (benefit)	(3,263)	587	(6,217)	(5,668)
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(253)	(835)	(256)	(953)
Recoveries	426	1,768	1,960	4,940
Net Write Down	0		0
Ending balance	51,407	58,548	51,407	58,548	57,081
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	92,266	54,488	80,444	59,651	59,651
Provision for credit losses (benefit)	7,688	6,164	20,035	(608)
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(3,142)	(854)	(5,248)	(1,390)
Recoveries	2,839	2,514	4,972	4,659
Net Write Down	0		0
Ending balance	99,651	62,312	99,651	62,312	80,444
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	20,990	18,398	20,618	17,578	17,578
Provision for credit losses (benefit)	(5,470)	1,306	(4,736)	1,692
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(2,540)	(1,496)	(3,957)	(1,903)
Recoveries	947	829	2,037	1,670
Net Write Down	0		0
Ending balance	13,927	19,037	13,927	19,037	20,618
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	315,344	299,006	324,808	301,142	301,142
Provision for credit losses (benefit)	40,550	12,327	79,268	23,819
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(37,932)	(23,107)	(87,713)	(46,477)
Recoveries	12,534	9,639	22,314	19,381
Net Write Down	(601)		(601)
Ending balance	329,895	297,865	329,895	297,865	324,808
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	62	30	88	37	37
Provision for credit losses (benefit)	(12)	30	(38)	23
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net Write Down	0		0
Balance at end of period	50	60	50	60	88
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	67,953	43,782	58,670	43,499	43,499
Provision for credit losses (benefit)	10,558	5,633	26,129	9,325
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(8,457)	(6,418)	(17,134)	(12,101)
Recoveries	1,955	2,342	4,344	4,616
Net Write Down	(601)		(601)
Ending balance	71,408	45,339	71,408	45,339	58,670
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	1,953	3,711	2,542	3,806	3,806
Provision for credit losses (benefit)	26	(711)	(725)	(1,719)
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(87)	(116)	(263)	(216)
Recoveries	278	661	616	1,674
Net Write Down	0		0
Ending balance	2,170	3,545	2,170	3,545	2,542
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	109,729	83,965	118,426	83,722	83,722
Provision for credit losses (benefit)	22,448	17,688	37,743	23,917
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(20,888)	(9,487)	(38,638)	(17,563)
Recoveries	4,539	2,153	6,457	4,243
Net Write Down	0		0
Ending balance	115,828	94,319	115,828	94,319	118,426
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	130,829	152,330	129,735	154,498	154,498
Provision for credit losses (benefit)	5,909	(12,716)	14,228	(10,023)
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(8,099)	(6,650)	(20,217)	(15,528)
Recoveries	5,608	4,258	10,522	8,275
Net Write Down	0		0
Ending balance	134,247	137,222	134,247	137,222	129,735
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	4,880	15,218	15,435	15,617	15,617
Provision for credit losses (benefit)	1,609	2,433	1,893	2,319
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(401)	(436)	(11,461)	(1,069)
Recoveries	154	225	375	573
Net Write Down	0		0
Ending balance	6,242	17,440	6,242	17,440	15,435
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	587,007	576,611	615,545	594,162	594,162
Provision for credit losses (benefit)	28,379	9,128	73,582	(3,533)
Allowance for credit losses - PCD Loans	10	170	78	782
Charge-offs	(38,129)	(25,964)	(87,416)	(50,284)
Recoveries	19,442	20,632	37,265	39,450
Net Write Down	(601)		(601)
Ending balance	596,108	580,577	596,108	580,577	615,545
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	6,846	3,571	6,358	4,139	4,139
Provision for credit losses (benefit)	1,552	(5)	2,040	(573)
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net Write Down	0		0
Balance at end of period	8,398	3,566	8,398	3,566	6,358
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	3,072	2,414	2,978	1,641	1,641
Provision for credit losses (benefit)	6,482	265	6,576	622
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	0	0	0	0
Recoveries	0	395	0	811
Net Write Down	0		0
Ending balance	9,554	3,074	9,554	3,074	2,978
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	1,946	1,924	2,022	2,388	2,388
Provision for credit losses (benefit)	1,164	(390)	1,088	(854)
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net Write Down	0		0
Balance at end of period	3,110	1,534	3,110	1,534	2,022
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	89,077	131,362	117,344	138,286	138,286
Provision for credit losses (benefit)	(9,572)	(5,953)	(8,305)	(16,481)
Allowance for credit losses - PCD Loans	10	170	78	782
Charge-offs	(297)	(1,367)	(1,143)	(2,688)
Recoveries	3,681	5,818	8,481	10,131
Net Write Down	0		0
Ending balance	82,899	130,030	82,899	130,030	117,344
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	181,701	145,471	174,295	151,928	151,928
Provision for credit losses (benefit)	(1,341)	4,664	6,578	(6,023)
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(1,746)	(1,322)	(3,356)	(1,849)
Recoveries	3,077	4,734	5,887	9,491
Net Write Down	0		0
Ending balance	181,691	153,547	181,691	153,547	174,295
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	4,900	1,647	4,336	1,751	1,751
Provision for credit losses (benefit)	388	385	952	281
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net Write Down	0		0
Balance at end of period	5,288	2,032	5,288	2,032	4,336
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	4,756	3,435	5,210	3,050	3,050
Provision for credit losses (benefit)	30	87	(424)	472
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	0	0	0	0
Recoveries	1	0	1	0
Net Write Down	0		0
Ending balance	4,787	3,522	4,787	3,522	5,210
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	53,894	51,639	52,475	45,211	45,211
Provision for credit losses (benefit)	(98)	(1,909)	1,186	4,335
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(609)	(30)	(609)	(30)
Recoveries	179	693	314	877
Net Write Down	0		0
Ending balance	53,366	50,393	53,366	50,393	52,475
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	46,009	47,027	48,393	54,176	54,176
Provision for credit losses (benefit)	(4,437)	1,622	(7,167)	(8,469)
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(76)	(835)	(79)	(953)
Recoveries	405	1,658	1,915	4,718
Net Write Down	0		0
Ending balance	41,901	49,472	41,901	49,472	48,393
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	77,042	43,370	68,217	49,491	49,491
Provision for credit losses (benefit)	3,164	4,864	12,983	(2,361)
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(1,061)	(457)	(2,668)	(866)
Recoveries	2,492	2,383	3,657	3,896
Net Write Down	0		0
Ending balance	81,637	50,160	81,637	50,160	68,217
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	20,990	18,398	20,618	17,578	17,578
Provision for credit losses (benefit)	(5,470)	1,306	(4,736)	1,692
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(2,540)	(1,496)	(3,957)	(1,903)
Recoveries	947	829	2,037	1,670
Net Write Down	0		0
Ending balance	13,927	19,037	13,927	19,037	20,618
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	292,167	278,966	300,310	284,729	284,729
Provision for credit losses (benefit)	38,280	8,846	73,469	16,657
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(33,546)	(21,779)	(78,960)	(43,844)
Recoveries	11,737	8,856	20,860	17,347
Net Write Down	(601)		(601)
Ending balance	308,037	274,889	308,037	274,889	300,310
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	0
Provision for credit losses (benefit)	0
Allowance for credit losses - PCD Loans	0
Charge-offs	0
Recoveries	0
Net Write Down	0
Balance at end of period	0		0
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	67,953	43,782	58,670	43,499	43,499
Provision for credit losses (benefit)	10,558	5,634	26,128	9,335
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(8,457)	(6,418)	(17,133)	(12,101)
Recoveries	1,955	2,341	4,344	4,606
Net Write Down	(601)		(601)
Ending balance	71,408	45,339	71,408	45,339	58,670
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	100	86	103	98	98
Provision for credit losses (benefit)	(29)	(69)	(68)	(85)
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(35)	(74)	(68)	(164)
Recoveries	60	147	129	241
Net Write Down	0		0
Ending balance	96	90	96	90	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	88,408	67,554	96,369	71,022	71,022
Provision for credit losses (benefit)	20,279	13,601	31,383	15,214
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(16,601)	(8,248)	(30,181)	(15,106)
Recoveries	3,960	1,892	5,495	3,669
Net Write Down	0		0
Ending balance	96,046	74,799	96,046	74,799	96,369
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	130,829	152,330	129,735	154,498	154,498
Provision for credit losses (benefit)	5,909	(12,716)	14,228	(10,023)
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(8,099)	(6,650)	(20,217)	(15,528)
Recoveries	5,608	4,258	10,522	8,275
Net Write Down	0		0
Ending balance	134,247	137,222	134,247	137,222	129,735
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	4,877	15,214	15,433	15,612	15,612
Provision for credit losses (benefit)	1,563	2,396	1,798	2,216
Allowance for credit losses - PCD Loans	0	0	0	0
Charge-offs	(354)	(389)	(11,361)	(945)
Recoveries	154	218	370	556
Net Write Down	0		0
Ending balance	6,240	17,439	6,240	17,439	15,433
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	102,113	101,181	104,757	101,204	101,204
Provision for credit losses (benefit)	7,282	733	9,225	(1,011)
Allowance for credit losses - PCD Loans		0
Charge-offs	(6,644)	(1,793)	(11,510)	(3,225)
Recoveries	1,341	1,052	4,858	4,205
Ending balance	104,092	101,173	104,092	101,173	104,757
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	2,569	3,483	2,447	3,758	3,758
Provision for credit losses (benefit)	626	(145)	748	(420)
Allowance for credit losses - PCD Loans		0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Balance at end of period	3,195	3,338	3,195	3,338	2,447
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	1,258	4,125	1,268	4,722	4,722
Provision for credit losses (benefit)	520	(290)	510	(2,015)
Allowance for credit losses - PCD Loans		0
Charge-offs	0	0	0	0
Recoveries	0	4	0	1,132
Ending balance	1,778	3,839	1,778	3,839	1,268
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	1,278	2,135	1,184	2,337	2,337
Provision for credit losses (benefit)	519	(174)	613	(376)
Allowance for credit losses - PCD Loans		0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Balance at end of period	1,797	1,961	1,797	1,961	1,184
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	15,400	17,844	17,910	16,192	16,192
Provision for credit losses (benefit)	(2,315)	494	(2,741)	2,126
Charge-offs	0	(68)	0	(68)
Recoveries	109	5	123	25
Ending balance	13,194	18,275	13,194	18,275	17,910
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	62,278	59,172	61,081	63,877	63,877
Provision for credit losses (benefit)	6,807	(2,952)	5,657	(8,284)
Allowance for credit losses - PCD Loans		0
Charge-offs	(2,258)	(397)	(2,757)	(524)
Recoveries	435	260	3,281	1,014
Ending balance	67,262	56,083	67,262	56,083	61,081
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	1,229	1,318	1,175	1,384	1,384
Provision for credit losses (benefit)	119	(1)	173	(67)
Allowance for credit losses - PCD Loans		0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Balance at end of period	1,348	1,317	1,348	1,317	1,175
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	20,610	22,655	21,101	25,418	25,418
Provision for credit losses (benefit)	781	(2,089)	288	(4,859)
Allowance for credit losses - PCD Loans		0
Charge-offs	0	0	0	0
Recoveries	1	5	3	12
Ending balance	21,392	20,571	21,392	20,571	21,101
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	17,956	15,398	19,065	22,246	22,246
Provision for credit losses (benefit)	328	(1,128)	(2,633)	(7,979)
Allowance for credit losses - PCD Loans		0
Charge-offs	0	0	0	0
Recoveries	66	14	1,918	17
Ending balance	18,350	14,284	18,350	14,284	19,065
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	8,488	10,001	8,688	6,053	6,053
Provision for credit losses (benefit)	1,174	(1,035)	950	2,801
Allowance for credit losses - PCD Loans		0
Charge-offs	(177)	0	(177)	0
Recoveries	21	110	45	222
Ending balance	9,506	9,076	9,506	9,076	8,688
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	15,224	11,118	12,227	10,160	10,160
Provision for credit losses (benefit)	4,524	1,300	7,052	1,753
Allowance for credit losses - PCD Loans		0
Charge-offs	(2,081)	(397)	(2,580)	(524)
Recoveries	347	131	1,315	763
Ending balance	18,014	12,152	18,014	12,152	12,227
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	23,177	20,040	24,498	16,413	16,413
Provision for credit losses (benefit)	2,270	3,481	5,799	7,162
Allowance for credit losses - PCD Loans		0
Charge-offs	(4,386)	(1,328)	(8,753)	(2,633)
Recoveries	797	783	1,454	2,034
Ending balance	21,858	22,976	21,858	22,976	24,498
Allowance for credit losses - unfunded commitments:
Balance at beginning of period	62	30	88	37	37
Provision for credit losses (benefit)	(12)	30	(38)	23
Allowance for credit losses - PCD Loans		0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Balance at end of period	50	60	50	60	88
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	0	0	0
Provision for credit losses (benefit)	0	(1)	1	(10)
Allowance for credit losses - PCD Loans		0
Charge-offs	0	0	(1)	0
Recoveries	0	1	0	10
Ending balance	0	0	0	0	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	1,853	3,625	2,439	3,708	3,708
Provision for credit losses (benefit)	55	(642)	(657)	(1,634)
Allowance for credit losses - PCD Loans		0
Charge-offs	(52)	(42)	(195)	(52)
Recoveries	218	514	487	1,433
Ending balance	2,074	3,455	2,074	3,455	2,439
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	21,321	16,411	22,057	12,700	12,700
Provision for credit losses (benefit)	2,169	4,087	6,360	8,703
Allowance for credit losses - PCD Loans		0
Charge-offs	(4,287)	(1,239)	(8,457)	(2,457)
Recoveries	579	261	962	574
Ending balance	19,782	19,520	19,782	19,520	22,057
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	3	4	2	5	5
Provision for credit losses (benefit)	46	37	95	103
Allowance for credit losses - PCD Loans		0
Charge-offs	(47)	(47)	(100)	(124)
Recoveries	0	7	5	17
Ending balance	$ 2	$ 1	2	$ 1	$ 2
Popular U.S. | Consumer | Other | ASU 2022-02
Financing Receivable, Allowance for Credit Losses [Line Items]
Impact of adopting ASU 2022-02			$ 0