Goodwill and other intangible assets - Gross amount of goodwill and accumulated impairment losses by reportable segments (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Goodwill | ||
| Goodwill gross | $ 1,003,166 | $ 1,003,166 |
| Accumulated impairment losses | 213,212 | 213,212 |
| Goodwill (net amounts) | 789,954 | 789,954 |
| Banco Popular de Puerto Rico | ||
| Goodwill | ||
| Goodwill gross | 438,710 | 438,710 |
| Accumulated impairment losses | 3,801 | 3,801 |
| Goodwill (net amounts) | 434,909 | 434,909 |
| Popular U.S. | ||
| Goodwill | ||
| Goodwill gross | 564,456 | 564,456 |
| Accumulated impairment losses | 209,411 | 209,411 |
| Goodwill (net amounts) | $ 355,045 | $ 355,045 |
| X | ||||||||||
- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount, before accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of accumulated impairment loss for asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|