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Note 10 - Components of Net Periodic Pension Cost (Tables) | 6 Months Ended
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Jun. 30, 2025
Notes Tables |
Schedule of Net Benefit Costs [Table Text Block] |
|  | Three Months Ended |  | Affected Line Item in the Consolidated
|  | June 30, |  | Statements of Income
|  | 2025 |  |  | 2024 |  |
|  | (dollars in thousands) |  |
Service cost |  | $ | - |  |  | $ | - |  |
Interest cost |  |  | 105 |  |  |  | 106 |  | Salaries and employee benefits
Expected return on plan assets |  |  | (230 | ) |  |  | (214 | ) | Salaries and employee benefits
Net amortization |  |  | - |  |  |  | 43 |  | Salaries and employee benefits
Total periodic pension income |  | $ | (125 | ) |  | $ | (65 | ) |
|  | Six Months Ended |  | Affected Line Item in the Consolidated
|  | June 30, |  | Statements of Income
|  | 2025 |  |  | 2024 |  |
|  | (dollars in thousands) |  |
Service cost |  | $ | - |  |  | $ | - |  |
Interest cost |  |  | 211 |  |  |  | 212 |  | Salaries and employee benefits
Expected return on plan assets |  |  | (460 | ) |  |  | (428 | ) | Salaries and employee benefits
Net amortization |  |  | - |  |  |  | 86 |  | Salaries and employee benefits
Total periodic pension income |  | $ | (249 | ) |  | $ | (130 | ) |
Defined Benefit Plan, Plan with Projected Benefit Obligation in Excess of Plan Assets [Table Text Block] |
Weighted average assumptions used to determine the benefit obligation: |  |  |
Discount rate |  |  | 5.80 | %
Rate of increase in compensation levels |  |  | 4.00 | %
Weighted average assumptions used to determine net pension cost: |  |  |
Discount rate |  |  | 5.68 | %
Rate of increase in compensation levels |  |  | 4.00 | %
Expected long-term rate of return on plan assets |  |  | 6.00 | %
Schedule of Allocation of Plan Assets [Table Text Block] |
|  |  |  |  |  |  |  |  |  | Weighted |
|  |  |  |  |  |  |  |  |  | Average |
|  |  |  |  |  |  |  |  |  | Expected |
|  |  |  |  |  |  |  |  |  | Long-Term |
|  | Target |  |  | % of Plan |  |  | Rate of |
|  | Allocation |  |  | Assets |  |  | Return |
Cash equivalents |  |  | 0% - 1% |  |  |  | — | % |  |  | N/A |
Equity mutual funds |  |  | 20% - 30% |  |  |  | 25.0 | % |  |  | 3.9% to 10.7% |
Fixed income mutual funds |  |  | 70% - 80% |  |  |  | 75.0 | % |  |  | 2.5% - 6.8% |
|  |  |  |  |  |  | 100 | % |  |  | 2.8% - 7.8% |
Schedule of Defined Benefit Plans Disclosures [Table Text Block] |
Year (dollars in thousands) |  |  | Amount |
2026 |  |  | $ | 3,156 |
2027 |  |  |  | 3,293 |
2028 |  |  |  | 3,442 |
2029 |  |  |  | 3,537 |
2030 |  |  |  | 3,627 |
2031 - 2035 |  |  |  | 19,505 |

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- Definition Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (d)(5) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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- Definition Tabular disclosure of benefit obligation and plan assets for defined benefit pension plan with projected benefit obligation in excess of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-3 + Details
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- Definition Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 20 -Topic 715 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-3 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-4 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-2 + Details
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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (q) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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