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Note 2 - Business Combinations - Assets and Liabilities Acquired (Details) - USD ($) $ in Thousands | Feb. 07, 2022 | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Goodwill |  | $ 375,696 | $ 375,696
HSBC Bank USA West Coast Mass Market Consumer and Retail Banking Business [Member] |  |  |
Cash and cash equivalents | $ 473 |  |
Loans | 641,839 |  |
Right-of-use assets - operating leases | 6,453 |  |
Core deposit intangible | 3,138 |  |
Other | 561 |  |
Total assets | 652,464 |  |
Deposits | 575,163 |  |
Lease liabilities | 6,453 |  |
Total liabilities assumed | 581,616 |  |
Net assets acquired | 70,848 |  |
Total cash paid at closing | 74,355 |  |
Goodwill | $ 3,507 |  |

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