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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Goodwill and other intangible assets - Change in the carrying amount of goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Goodwill [Rollforward]
Beginning Balance			$ 720,293
Goodwill on acquisition			116,135	$ 0
Goodwill impairment charge	$ (9,000)	$ 0	(9,000)	$ 0
Ending Balance	827,428		827,428
Banco Popular de Puerto Rico
Goodwill [Rollforward]
Beginning Balance			320,248
Goodwill on acquisition			116,135
Goodwill impairment charge			0
Ending Balance	436,383		436,383
Popular U.S.
Goodwill [Rollforward]
Beginning Balance			400,045
Goodwill on acquisition			0
Goodwill impairment charge			(9,000)
Ending Balance	$ 391,045		$ 391,045