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Note 16 - Segment Reporting - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Net interest income (loss) | $ 43,136 | $ 22,542 | $ 127,325 | $ 68,761 |
Provision for credit losses | 0 | 1,661 | 863 | 6,150 |
Noninterest income (loss) | 29,430 | 28,363 | 88,824 | 81,057 |
Compensation | 24,984 | 21,058 | 72,288 | 60,655 |
Employee taxes and benefits | 6,094 | 5,400 | 20,490 | 16,722 |
Business services, software and technology expense | 6,285 | 4,879 | 17,905 | 14,823 |
Merger and acquisition expense | (43) | 1,661 | 254 | 2,252 |
Other | 1,895 | 1,237 | 6,176 | 3,543 |
Total noninterest expense | 50,541 | 42,447 | 149,344 | 120,218 |
Income before income taxes | 22,025 | 6,797 | 65,942 | 23,450 |
Total assets | 5,330,573 | 4,358,623 | 5,330,573 | 4,358,623 | $ 5,261,673
Other Noninterest [Member] |  |  |  |  |
Other | 13,221 | 9,449 | 38,407 | 25,766 |
Operating Segments [Member] | Banking Segment [Member] |  |  |  |  |
Net interest income (loss) | 43,788 | 23,220 | 129,279 | 70,803 |
Provision for credit losses | 0 | 1,661 | 863 | 6,150 |
Noninterest income (loss) | 6,216 | 4,940 | 19,298 | 13,428 |
Compensation | 12,562 | 9,972 | 36,476 | 28,016 |
Employee taxes and benefits | 3,001 | 2,441 | 10,170 | 7,693 |
Business services, software and technology expense | 2,909 | 2,219 | 8,957 | 7,033 |
Merger and acquisition expense | 0 | 0 | 0 | 0 |
Total noninterest expense | 28,697 | 20,269 | 85,356 | 57,855 |
Income before income taxes | 21,307 | 6,230 | 62,358 | 20,226 |
Total assets | 5,236,412 | 4,009,535 | 5,236,412 | 4,009,535 |
Operating Segments [Member] | Banking Segment [Member] | Other Noninterest [Member] |  |  |  |  |
Other | 10,225 | 5,637 | 29,753 | 15,113 |
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) | 16,496 | 16,144 | 48,625 | 47,876 |
Compensation | 7,364 | 7,209 | 21,644 | 21,005 |
Employee taxes and benefits | 1,899 | 1,896 | 6,225 | 5,794 |
Business services, software and technology expense | 1,852 | 1,825 | 5,776 | 5,512 |
Merger and acquisition expense | 0 | 0 | 0 | 0 |
Total noninterest expense | 13,394 | 14,154 | 40,177 | 41,765 |
Income before income taxes | 3,102 | 1,990 | 8,448 | 6,111 |
Total assets | 30,941 | 32,882 | 30,941 | 32,882 |
Operating Segments [Member] | Retirement and Benefit Services Segment [Member] | Other Noninterest [Member] |  |  |  |  |
Other | 2,279 | 3,224 | 6,532 | 9,454 |
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) | 6,560 | 6,684 | 20,827 | 19,161 |
Compensation | 3,519 | 2,349 | 9,954 | 7,445 |
Employee taxes and benefits | 561 | 538 | 2,023 | 1,851 |
Business services, software and technology expense | 1,379 | 703 | 2,683 | 1,881 |
Merger and acquisition expense | 0 | 0 | 0 | 0 |
Total noninterest expense | 5,883 | 3,839 | 15,852 | 11,497 |
Income before income taxes | 677 | 2,845 | 4,975 | 7,664 |
Total assets | 5,777 | 5,288 | 5,777 | 5,288 |
Operating Segments [Member] | Wealth Management Segment [Member] | Other Noninterest [Member] |  |  |  |  |
Other | 424 | 249 | 1,192 | 320 |
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] |  |  |  |  |
Net interest income (loss) | (652) | (678) | (1,954) | (2,042) |
Provision for credit losses | 0 | 0 | 0 | 0 |
Noninterest income (loss) | 158 | 595 | 74 | 592 |
Compensation | 1,539 | 1,528 | 4,214 | 4,189 |
Employee taxes and benefits | 633 | 525 | 2,072 | 1,384 |
Business services, software and technology expense | 145 | 132 | 489 | 397 |
Merger and acquisition expense | (43) | 1,661 | 254 | 2,252 |
Total noninterest expense | 2,567 | 4,185 | 7,959 | 9,101 |
Income before income taxes | (3,061) | (4,268) | (9,839) | (10,551) |
Total assets | 57,443 | 310,918 | 57,443 | 310,918 |
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] | Other Noninterest [Member] |  |  |  |  |
Other | $ 293 | $ 339 | $ 930 | $ 879 |

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