Guarantees - Other Guarantees - Additional Information (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Guarantor Obligations [Line Items] | ||
| Funds Advanced To Investors Under Servicing Agreements | $ 27,678 | $ 30,252 |
| Popular, Inc. Holding Co. | ||
| Guarantor Obligations [Line Items] | ||
| Wholly-owned subsidiary percentage | 100.00% | |
| Popular, Inc. Holding Co. | Debt Securities Payable | ||
| Guarantor Obligations [Line Items] | ||
| Guarantees, unamortized balance of the obligations | $ 94,000 | 94,000 |
| Guarantee Type, Other | Popular, Inc. Holding Co. | Capital securities (trust preferred securities) | ||
| Guarantor Obligations [Line Items] | ||
| Guarantees, unamortized balance of the obligations | $ 193,000 | $ 193,000 |