Revenue from contracts with customers - Revenue streams (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Service charges on deposit accounts
Revenue from contract with customer	$ 157,210	$ 162,698	$ 147,823
BPPR
Revenue from contract with customer	419,377	405,970	342,733
BPPR | Service charges on deposit accounts
Revenue from contract with customer	146,073	151,453	136,703
BPPR | Debit card fees
Revenue from contract with customer	49,297	47,681	38,685
BPPR | Insurance fees, excluding reinsurance
Revenue from contract with customer	40,545	40,929	35,799
BPPR | Credit card fees excluding late fees and membership fees
Revenue from contract with customer	136,295	117,418	88,091
BPPR | Sale and administration of investment products
Revenue from contract with customer	23,553	23,634	21,755
BPPR | Trust fees
Revenue from contract with customer	23,614	24,855	21,700
Popular U.S.
Revenue from contract with customer	18,306	17,051	15,402
Popular U.S. | Service charges on deposit accounts
Revenue from contract with customer	11,137	11,245	11,120
Popular U.S. | Debit card fees
Revenue from contract with customer	876	956	967
Popular U.S. | Insurance fees, excluding reinsurance
Revenue from contract with customer	5,018	3,798	2,484
Popular U.S. | Credit card fees excluding late fees and membership fees
Revenue from contract with customer	1,275	1,052	831
Popular U.S. | Sale and administration of investment products
Revenue from contract with customer	0	0	0
Popular U.S. | Trust fees
Revenue from contract with customer	$ 0	$ 0	$ 0