Trust preferred securities - Financial data pertaining to different trust (Details) - Trust preferred securities redemption - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Popular North America Capital Trust I
Debt Instrument [Line Items]
Capital securities	$ 91,651	$ 91,651
Distribution rate	6.564%	6.564%
Common securities	$ 2,835	$ 2,835
Junior subordinated debentures aggregate liquidation amount	$ 94,486	$ 94,486
Stated maturity date	September 2034	September 2034
Popular Capital Trust II
Debt Instrument [Line Items]
Capital securities	$ 101,024	$ 101,024
Distribution rate	6.125%	6.125%
Common securities	$ 3,124	$ 3,124
Junior subordinated debentures aggregate liquidation amount	$ 104,148	$ 104,148
Stated maturity date	December 2034	December 2034