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Note 8 - Employee Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes Tables |
Schedule of Defined Benefit Plans Disclosures [Table Text Block] |
|  | December 31, |
|  | 2024 |  |  | 2023 |
Change in benefit obligation |  |  |  |  |  |
Projected benefit obligation at beginning of year |  | $ | 25,750 |  |  | $ | 23,128 |
Service cost (1) |  |  | 1,042 |  |  |  | 813 |
Interest cost (2) |  |  | 1,206 |  |  |  | 1,091 |
Actuarial (gain) loss (3) |  |  | (842 | ) |  |  | 1,542 |
Benefits paid |  |  | (1,096 | ) |  |  | (824 | )
Projected benefit obligation at end of year |  | $ | 26,060 |  |  | $ | 25,750 |
Change in plan assets |  |  |  |  |  |
Fair value of plan assets at beginning of year |  | $ | 32,509 |  |  | $ | 29,746 |
Actual return on plan assets |  |  | 4,795 |  |  |  | 3,587 |
Employer contribution |  |  | 3,000 |  |  |  | – |
Benefits paid |  |  | (1,096 | ) |  |  | (824 | )
Fair value of plan assets at end of year |  | $ | 39,208 |  |  | $ | 32,509 |
Funded status at the end of the year |  | $ | 13,148 |  |  | $ | 6,759 |
Amounts recognized in the Consolidated Balance Sheet |  |  |  |  |  |
Deferred tax liabilities |  | $ | (2,761 | ) |  | $ | (1,419 | )
Other assets |  |  | 13,148 |  |  |  | 6,759 |
Total amounts recognized in the Consolidated Balance Sheet |  | $ | 10,387 |  |  | $ | 5,340 |
Amounts recognized in accumulated other comprehensive loss, net |  |  |  |  |  |
Net loss (gain) |  | $ | 415 |  |  | $ | (2,924 | )
Deferred tax (liability) asset |  |  | (87 | ) |  |  | 614 |
Amount recognized |  | $ | 328 |  |  | $ | (2,310 | )
Accrued/Prepaid benefit cost, net |  |  |  |  |  |
Benefit obligation |  | $ | (26,060 | ) |  | $ | (25,750 | )
Fair value of assets |  |  | 39,208 |  |  |  | 32,509 |
Unrecognized net actuarial (gain) loss |  |  | (415 | ) |  |  | 2,924 |
Deferred tax liability |  |  | (2,674 | ) |  |  | (2,033 | )
Prepaid benefit cost included in other assets |  | $ | 10,059 |  |  | $ | 7,650 |
Components of net periodic benefit cost |  |  |  |  |  |
Service cost(1) |  | $ | 1,042 |  |  | $ | 813 |
Interest cost(2) |  |  | 1,206 |  |  |  | 1,091 |
Expected return on plan assets(2) |  |  | (2,431 | ) |  |  | (2,070 | )
Recognized net actuarial loss(2) |  |  | 134 |  |  |  | 69 |
Net periodic benefit cost |  | $ | (49 | ) |  | $ | (97 | )
Other changes in plan assets and benefit obligations recognized in other comprehensive income |  |  |  |  |  |
Net gain |  | $ | (3,339 | ) |  | $ | (44 | )
Deferred income tax expense |  |  | 701 |  |  |  | 9 |
Total recognized |  | $ | (2,638 | ) |  | $ | (35 | )
Total recognized in net periodic benefit cost and other comprehensive income |  | $ | (3,388 | ) |  | $ | (141 | )
Weighted average assumptions at end of the year |  |  |  |  |  |
Discount rate used for net periodic pension cost |  |  | 4.75 | % |  |  | 5.00 | %
Discount rate used for disclosure |  |  | 5.50 | % |  |  | 4.75 | %
Expected return on plan assets |  |  | 7.50 | % |  |  | 7.50 | %
Rate of compensation increase |  |  | 4.00 | % |  |  | 3.00 | %
Schedule of Defined Benefit Plans, Components of Actuarial (Gain) Loss [Table Text Block] |
|  | For the Year Ended December 31, |
Components of actuarial loss (gain) |  | 2024 |  |  | 2023 |
Loss due to demographic changes |  | $ | 727 |  |  | $ | 934 |
Gain due to change in mortality table |  |  | - |  |  |  | (291 | )
(Gain) loss due to change in discount rate |  |  | (2,691 | ) |  |  | 899 |
Loss due to change in rate of compensation increase |  |  | 1,122 |  |  |  | - |
Actuarial (gain) loss |  |  | (842 | ) |  |  | 1,542 |
Gain due to asset return |  |  | (2,364 | ) |  |  | (1,517 | )
Actuarial (gain) loss with asset return |  | $ | (3,206 | ) |  | $ | 25 |
Schedule of Allocation of Plan Assets [Table Text Block] |
|  | Fair Value Measurements as of December 31, 2024 |
Asset Category |  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Cash |  | $ | 1,228 |  |  | $ | 1,228 |  |  | $ | - |  |  | $ | - |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |
U. S. companies |  |  | 21,373 |  |  |  | 21,373 |  |  |  | - |  |  |  | - |
International companies |  |  | 200 |  |  |  | 200 |  |  |  | - |  |  |  | - |
Equities mutual funds (1) |  |  | 6,532 |  |  |  | 6,532 |  |  |  | - |  |  |  | - |
State and political subdivisions |  |  | 50 |  |  |  | - |  |  |  | 50 |  |  |  | - |
Corporate bonds – investment grade (2) |  |  | 9,825 |  |  |  | - |  |  |  | 9,825 |  |  |  | - |
Total pension plan assets |  | $ | 39,208 |  |  | $ | 29,333 |  |  | $ | 9,875 |  |  | $ | - |
|  | Fair Value Measurements as of December 31, 2023 |
Asset Category |  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Cash |  | $ | 867 |  |  | $ | 867 |  |  | $ | - |  |  | $ | - |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |
U. S. companies |  |  | 17,540 |  |  |  | 17,540 |  |  |  | - |  |  |  | - |
International companies |  |  | 400 |  |  |  | 400 |  |  |  | - |  |  |  | - |
Equities mutual funds (1) |  |  | 6,098 |  |  |  | 6,098 |  |  |  | - |  |  |  | - |
State and political subdivisions |  |  | 51 |  |  |  | - |  |  |  | 51 |  |  |  | - |
Corporate bonds – investment grade (2) |  |  | 7,553 |  |  |  | - |  |  |  | 7,553 |  |  |  | - |
Total pension plan assets |  | $ | 32,509 |  |  | $ | 24,905 |  |  | $ | 7,604 |  |  | $ | - |
Schedule of Expected Benefit Payments [Table Text Block] |
Year |  | Estimated Benefit Payment |
2025 |  | $ | 4,292 |
2026 |  | $ | 1,428 |
2027 |  | $ | 1,743 |
2028 |  | $ | 1,869 |
2029 |  | $ | 2,883 |
2030 - 2034 |  | $ | 12,072 |

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