Popular, Inc. (Holding company only) financial information (Statement of Cash Flows) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net income	$ 614,212	$ 541,342	$ 1,102,641
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses (benefit)	256,942	208,609	83,030
Amortization of intangibles	2,938	3,180	3,275
Net accretion of discounts and amortization of premiums and deferred fees	(252,413)	(45,249)	29,120
Share-based compensation	19,676	16,773	16,727
(Earnings) losses from investments under the equity method, net of dividends or distributions	23,541	27,450	29,522
Sale of foreclosed assets, including write-downs	(17,953)	(22,665)	(33,008)
Net increase in:
Equity securities	(6,847)	(11,341)	54
Net increase (decrease) in:
Interest payable	1,622	19,814	6,061
Other liabilities	(38,795)	(41,410)	(20,724)
Total adjustments	60,510	145,270	(88,103)
Net cash provided by operating activities	674,722	686,612	1,014,538
Cash flows from investing activities:
Net (increase) decrease in money market investments	620,578	(1,383,821)	11,922,703
Proceeds from calls, paydowns, maturities and redemptions of investment securities held-to-maturity	659,543	458,806	9,826
Proceeds from disposition of stock as part of the Evertec Transactions	0	152	8,198
Acquisition of premises and equipment	213,412	208,044	103,789
Proceeds from sale of premises and equipment	8,890	8,658	10,305
Proceeds from sale of foreclosed assets	109,182	109,547	107,203
Net cash (used in) provided by investing activities	(1,632,474)	(2,613,407)	5,350,200
Cash flows from financing activities:
Payment of notes payable	(91,943)	(343,261)	(103,147)
Proceeds from issuance of notes payable	0	441,705	0
Proceeds from issuance of common stock	6,860	6,311	5,837
Dividends paid	(180,461)	(159,860)	(161,516)
Net payments for repurchase of common stock	(213,922)	(461)	(631,893)
Payments related to tax witholding for share-based compensation	(6,476)	(4,089)	(5,771)
Net cash used in financing activities	(959,583)	(1,878,211)	6,323,091
Net increase in cash and due from banks, and restricted cash	(1,831)	48,584	(41,647)
Cash and due from banks and restricted cash at beginning of period	427,575	476,159	434,512
Cash and due from banks and restricted cash at end of period	429,406	427,575	476,159
Popular, Inc. Holding Co.
Cash flows from operating activities:
Net income	614,212	541,342	1,102,641
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in earnings of subsidiaries, net of dividends or distributions	(40,358)	(357,014)	(526,603)
Provision for credit losses (benefit)	230	(300)	274
Net accretion of discounts and amortization of premiums and deferred fees	1,248	1,754	1,250
Share-based compensation	10,785	9,735	9,440
(Earnings) losses from investments under the equity method, net of dividends or distributions	(15)	84	(14,170)
Gain on disposition of stock as part of the Evertec Transactions	0	0	(137,813)
Net increase in:
Equity securities	(5,176)	(5,158)	(339)
Other assets	(10,531)	(62)	(1,952)
Net increase (decrease) in:
Interest payable	0	3,239	0
Other liabilities	12,507	(3,377)	8,257
Total adjustments	(31,310)	(351,099)	(661,656)
Net cash provided by operating activities	582,902	190,243	440,985
Cash flows from investing activities:
Net (increase) decrease in money market investments	(210,000)	(165,000)	129,000
Net repayments on other loans	1,307	1,252	1,267
Capital contriution to subsidiaries	(1,725)	(4,150)	(54,188)
Return of capital from wholly owned subsidiaries	67,400	64,000	72,000
Proceeds from disposition of stock as part of the Evertec Transactions	0	0	219,883
Acquisition of premises and equipment	(961)	(2,266)	(2,224)
Proceeds from sale of premises and equipment	135	68	1,678
Net cash (used in) provided by investing activities	(143,844)	(106,096)	367,416
Cash flows from financing activities:
Payment of notes payable	0	(300,000)	0
Proceeds from issuance of notes payable	0	393,061	0
Proceeds from issuance of common stock	16,312	14,045	13,479
Dividends paid	(180,461)	(159,860)	(161,516)
Net payments for repurchase of common stock	(218,619)	(1,396)	(631,965)
Payments related to tax witholding for share-based compensation	(6,699)	(4,083)	(5,771)
Net cash used in financing activities	(389,467)	(58,233)	(785,773)
Net increase in cash and due from banks, and restricted cash	49,591	25,914	22,628
Cash and due from banks and restricted cash at beginning of period	128,847	102,933	80,305
Cash and due from banks and restricted cash at end of period	$ 178,438	$ 128,847	$ 102,933