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Note 17 - Segment Reporting - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Net interest income (loss) | $ 22,542 | $ 20,395 | $ 68,761 | $ 66,287 |
Provision for credit losses | 1,661 | 0 | 6,150 | 550 |
Noninterest income (loss) | 28,363 | 28,407 | 81,057 | 79,439 |
Noninterest expense | 42,447 | 37,260 | 120,218 | 111,503 |
Income before income taxes | 6,797 | 11,542 | 23,450 | 33,673 |
Assets | 4,084,640 | 3,832,978 | 4,084,640 | 3,832,978 | $ 3,907,713
Operating Segments [Member] | Banking Segment [Member] |  |  |  |  |
Net interest income (loss) | 23,220 | 21,073 | 70,803 | 68,285 |
Provision for credit losses | 1,661 | 0 | 6,150 | 550 |
Noninterest income (loss) | 4,940 | 4,660 | 13,428 | 13,440 |
Noninterest expense | 20,269 | 18,881 | 57,837 | 56,832 |
Income before income taxes | 6,230 | 6,852 | 20,244 | 24,343 |
Assets | 4,009,535 | 3,801,230 | 4,009,535 | 3,801,230 |
Operating Segments [Member] | Retirement and Benefit Services Segment [Member] |  |  |  |  |
Net interest income (loss) | 0 | 0 | 0 | 0 |
Provision for credit losses | 0 | 0 | 0 | 0 |
Noninterest income (loss) | 16,144 | 18,605 | 47,876 | 49,977 |
Noninterest expense | 14,154 | 13,269 | 41,757 | 39,515 |
Income before income taxes | 1,990 | 5,336 | 6,119 | 10,462 |
Assets | 32,882 | 36,114 | 32,882 | 36,114 |
Operating Segments [Member] | Wealth Management Segment [Member] |  |  |  |  |
Net interest income (loss) | 0 | 0 | 0 | 0 |
Provision for credit losses | 0 | 0 | 0 | 0 |
Noninterest income (loss) | 6,684 | 5,271 | 19,161 | 15,915 |
Noninterest expense | 3,838 | 3,351 | 11,494 | 9,703 |
Income before income taxes | 2,846 | 1,920 | 7,667 | 6,212 |
Assets | 5,288 | 4,224 | 5,288 | 4,224 |
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] |  |  |  |  |
Net interest income (loss) | (678) | (678) | (2,042) | (1,998) |
Provision for credit losses | 0 | 0 | 0 | 0 |
Noninterest income (loss) | 595 | (129) | 592 | 107 |
Noninterest expense | 4,186 | 1,759 | 9,130 | 5,453 |
Income before income taxes | (4,269) | (2,566) | (10,580) | (7,344) |
Assets | $ 36,935 | $ (8,590) | $ 36,935 | $ (8,590) |

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