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Note 7 - Goodwill and Identifiable Intangible Assets (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2025
Notes Tables |
Schedule of Goodwill [Table Text Block] |
|  | At March 31, 2025 |  |  | At December 31, 2024 |
|  | (In thousands) |
Goodwill |  | $ | 121,673 |  |  | $ | 121,673 |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
|  | At March 31, 2025 |  |  | At December 31, 2024 |
|  | Gross |  |  |  |  |  |  | Gross |  |  |  |  |
|  | Carrying |  |  | Accumulated |  |  | Carrying |  |  | Accumulated |
|  | Amount |  |  | Amortization |  |  | Amount |  |  | Amortization |
|  | (In thousands) |
Core deposit intangibles |  | $ | 56,808 |  |  | $ | (56,736 | ) |  | $ | 56,808 |  |  | $ | (56,683 | )
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
|  | Total |
|  | Core |
|  | Deposit |
|  | Intangibles |
|  | (In thousands) |
For the three months ended March 31, 2025 (actual) |  | $ | 53 |
The remainder of 2025 |  |  | 72 |

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