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Note 16 - Segment Information - Schedule of Segment Information (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Interest income - loans including fees | $ 48,603,000 | $ 46,989,000 | $ 142,361,000 | $ 138,519,000
Revenues | 70,796,000 | 70,263,000 | 208,406,000 | 200,125,000
Interest expense - deposits | 20,372,000 | 21,547,000 | 60,329,000 | 60,096,000
Payroll expenses | 15,992,000 | 14,874,000 | 46,880,000 | 44,501,000
Total consolidated expenses | 56,157,000 | 60,130,000 | 161,093,000 | 162,382,000
Total consolidated income before taxes | 14,639,000 | 10,133,000 | 47,313,000 | 37,743,000
Occupancy and equipment | 4,370,000 | 3,968,000 | 12,627,000 | 11,512,000
Intangible amortization | 718,000 | 629,000 | 2,188,000 | 1,947,000
Fiduciary and Trust [Member] |  |  |  |
Noninterest revenue | 2,745,000 | 2,544,000 | 7,982,000 | 7,398,000
Retirement Plan Consulting [Member] |  |  |  |
Noninterest revenue | 1,060,000 | 677,000 | 2,641,000 | 1,918,000
Trust Segment [Member] | Fiduciary and Trust [Member] |  |  |  |
Noninterest revenue | 2,745,000 | 2,544,000 | 7,982,000 | 7,398,000
Trust Segment [Member] | Retirement Plan Consulting [Member] |  |  |  |
Noninterest revenue | 1,060,000 | 677,000 | 2,641,000 | 1,918,000
Bank Segment [Member] | Fiduciary and Trust [Member] |  |  |  |
Noninterest revenue | 0 | 0 | 0 | 0
Bank Segment [Member] | Retirement Plan Consulting [Member] |  |  |  |
Noninterest revenue | 0 | 0 | 0 | 0
Operating Segments [Member] |  |  |  |
Interest income - loans including fees | 48,603,000 | 46,989,000 | 142,361,000 | 138,519,000
Interest income - investments | 9,809,000 | 9,175,000 | 29,052,000 | 27,399,000
Revenues | 62,217,000 | 59,385,000 | 182,036,000 | 175,234,000
Interest expense - deposits | 20,372,000 | 21,547,000 | 60,329,000 | 60,096,000
Interest expense - borrowings | 2,687,000 | 4,500,000 | 8,620,000 | 14,098,000
Provision for credit losses and unfunded loans | 1,419,000 | 7,008,000 | 4,763,000 | 7,671,000
Payroll expenses | 15,968,000 | 14,857,000 | 46,822,000 | 44,456,000
Total consolidated expenses | 40,446,000 | 47,912,000 | 120,534,000 | 126,321,000
Total consolidated income before taxes | 21,771,000 | 11,473,000 | 61,502,000 | 48,913,000
Occupancy and equipment | 4,360,000 | 3,956,000 | 12,591,000 | 11,484,000
Intangible amortization | 718,000 | 629,000 | 2,188,000 | 1,947,000
Operating Segments [Member] | Fiduciary and Trust [Member] |  |  |  |
Noninterest revenue | 2,745,000 | 2,544,000 | 7,982,000 | 7,398,000
Operating Segments [Member] | Retirement Plan Consulting [Member] |  |  |  |
Noninterest revenue | 1,060,000 | 677,000 | 2,641,000 | 1,918,000
Operating Segments [Member] | Trust Segment [Member] |  |  |  |
Interest income - loans including fees | 0 | 0 | 0 | 0
Interest income - investments | 0 | 0 | 0 | 0
Revenues | 3,805,000 | 3,221,000 | 10,623,000 | 9,316,000
Interest expense - deposits | 0 | 0 | 0 | 0
Interest expense - borrowings | 0 | 0 | 0 | 0
Provision for credit losses and unfunded loans | 0 | 0 | 0 | 0
Payroll expenses | 1,525,000 | 1,429,000 | 4,440,000 | 4,159,000
Total consolidated expenses | 1,525,000 | 1,429,000 | 4,440,000 | 4,159,000
Total consolidated income before taxes | 2,280,000 | 1,792,000 | 6,183,000 | 5,157,000
Occupancy and equipment | 143,000 | 79,000 | 426,000 | 269,000
Intangible amortization | 23,000 | 12,000 | 69,000 | 36,000
Operating Segments [Member] | Trust Segment [Member] | Fiduciary and Trust [Member] |  |  |  |
Noninterest revenue | 2,745,000 | 2,544,000 | 7,982,000 | 7,398,000
Operating Segments [Member] | Trust Segment [Member] | Retirement Plan Consulting [Member] |  |  |  |
Noninterest revenue | 1,060,000 | 677,000 | 2,641,000 | 1,918,000
Operating Segments [Member] | Bank Segment [Member] |  |  |  |
Interest income - loans including fees | 48,603,000 | 46,989,000 | 142,361,000 | 138,519,000
Interest income - investments | 9,809,000 | 9,175,000 | 29,052,000 | 27,399,000
Revenues | 58,412,000 | 56,164,000 | 171,413,000 | 165,918,000
Interest expense - deposits | 20,372,000 | 21,547,000 | 60,329,000 | 60,096,000
Interest expense - borrowings | 2,687,000 | 4,500,000 | 8,620,000 | 14,098,000
Provision for credit losses and unfunded loans | 1,419,000 | 7,008,000 | 4,763,000 | 7,671,000
Payroll expenses | 14,443,000 | 13,428,000 | 42,382,000 | 40,297,000
Total consolidated expenses | 38,921,000 | 46,483,000 | 116,094,000 | 122,162,000
Total consolidated income before taxes | 19,491,000 | 9,681,000 | 55,319,000 | 43,756,000
Occupancy and equipment | 4,217,000 | 3,877,000 | 12,165,000 | 11,215,000
Intangible amortization | 695,000 | 617,000 | 2,119,000 | 1,911,000
Operating Segments [Member] | Bank Segment [Member] | Fiduciary and Trust [Member] |  |  |  |
Noninterest revenue | 0 | 0 | 0 | 0
Operating Segments [Member] | Bank Segment [Member] | Retirement Plan Consulting [Member] |  |  |  |
Noninterest revenue | 0 | 0 | 0 | 0
Consolidation, Eliminations [Member] |  |  |  |
Revenues | 8,579,000 | 10,878,000 | 26,370,000 | 24,891,000
Other expenses * | $ 15,711,000 | $ 12,218,000 | $ 40,559,000 | $ 36,061,000

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