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Note 16 - Pension and Other Benefits (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Schedule of Changes in Projected Benefit Obligations [Table Text Block] |
|  | 2022 |  |  | 2021 |
|  | (dollars in thousands) |
Change in Benefit Obligation: |  |  |  |  |  |  |  |
Projected benefit obligation as of January 1, |  | $ | 14,644 |  |  | $ | 13,476 |
Interest cost |  |  | 311 |  |  |  | 284 |
Actuarial (gain) loss |  |  | (4,657 | ) |  |  | 1,584 |
Benefits paid |  |  | (981 | ) |  |  | (700 | )
Projected benefit obligation as of December 31, |  | $ | 9,317 |  |  | $ | 14,644 |
Change in Plan Assets: |  |  |  |  |  |  |  |
Fair value of plan assets as of January 1, |  | $ | 17,604 |  |  | $ | 15,868 |
Actual return on plan assets |  |  | (3,366 | ) |  |  | 2,436 |
Benefits paid |  |  | (981 | ) |  |  | (700 | )
Fair value of plan assets as of December 31, |  | $ | 13,257 |  |  | $ | 17,604 |
Funded status |  | $ | 3,940 |  |  | $ | 2,960 |
Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized over Next Fiscal Year [Table Text Block] |
|  | As of December 31, |
|  | 2022 |  |  | 2021 |
|  | (dollars in thousands) |
Net actuarial loss recognized in accumulated other comprehensive income (pre-tax) |  | $ | 4,219 |  |  | $ | 4,627 |
Schedule of Net Benefit Costs [Table Text Block] |
|  | 2022 |  |  | 2021 |  |  | 2020 |
|  | (dollars in thousands) |
Interest cost |  | $ | 311 |  |  | $ | 284 |  |  | $ | 364 |
Expected return on plan assets |  |  | (949 | ) |  |  | (852 | ) |  |  | (784 | )
Net amortization |  |  | 66 |  |  |  | 299 |  |  |  | 301 |
Total net periodic pension income |  | $ | (572 | ) |  | $ | (269 | ) |  | $ | (119 | )
Total unrealized (gain) loss recognized in other comprehensive income |  |  | (343 | ) |  |  | - |  |  |  | 112 |
Realized losses included in net income |  |  | (66 | ) |  |  | (299 | ) |  |  | (301 | )
Total recognized in net periodic pension income and other comprehensive income |  | $ | (981 | ) |  | $ | (568 | ) |  | $ | (308 | )
Defined Benefit Plan, Plan with Projected Benefit Obligation in Excess of Plan Assets [Table Text Block] |
|  | 2022 |  |  | 2021 |
Discount rate |  |  | 4.92 | % |  |  | 2.57 | %
Rate of compensation increase |  |  | N/A |  |  |  | N/A |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Discount rate |  |  | 4.92 | % |  |  | 2.57 | % |  |  | 2.17 | %
Expected long-term return on plan assets |  |  | 6.50 | % |  |  | 5.50 | % |  |  | 5.50 | %
Rate of compensation increase |  |  | N/A |  |  |  | N/A |  |  |  | N/A |
Schedule of Allocation of Plan Assets [Table Text Block] |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Weighted |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Average |
|  |  |  |  |  | % of Plan |  |  | % of Plan |  |  | Expected |
|  |  |  |  |  | Assets – |  |  | Assets – |  |  | Long-Term |
|  | Target |  |  | Year Ended |  |  | Year Ended |  |  | Rate of |
|  | Allocation |  |  | 2022 |  |  | 2021 |  |  | Return |
Equity Securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Domestic |  |  | 45 | % |  |  | 58 | % |  |  | 59 | % |  |  | 4.5 | %
International |  |  | 15 |  |  |  | 4 |  |  |  | 5 |  |  |  | 0.4 |
Debt and/or fixed income securities |  |  | 38 |  |  |  | 35 |  |  |  | 34 |  |  |  | 1.5 |
Cash and other alternative investments, including real estate funds, commodity funds, hedge funds and equity structured notes |  |  | 2 |  |  |  | 3 |  |  |  | 2 |  |  |  | 0.1 |
Total |  |  | 100 | % |  |  | 100 | % |  |  | 100 | % |  |  | 6.5 | %
Schedule of Changes in Fair Value of Plan Assets [Table Text Block] |
|  | December 31, |  |  |  |  |  |  |  |  |  |  |  |  |
|  | 2022 |  |  | Fair Value Measurements at Reporting Date Using |
|  |  |  |  |  | Quoted Prices |  |  | Significant |  |  |  |  |
|  |  |  |  |  | in Active |  |  | Other |  |  | Significant |
|  |  |  |  |  | Markets for |  |  | Observable |  |  | Unobservable |
|  |  |  |  |  | Identical Assets |  |  | Inputs |  |  | Inputs |
Asset Class |  |  |  |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |
|  | (dollars in thousands) |
Cash |  | $ | 262 |  |  | $ | 262 |  |  | $ | - |  |  | $ | - |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. companies |  |  | 7,611 |  |  |  | 7,611 |  |  |  | - |  |  |  | - |
International companies |  |  | 569 |  |  |  | 569 |  |  |  | - |  |  |  | - |
Debt and/or fixed income securities |  |  | 4,684 |  |  |  | 4,684 |  |  |  | - |  |  |  | - |
Commodity funds |  |  | 95 |  |  |  | 95 |  |  |  | - |  |  |  | - |
Real estate funds |  |  | 36 |  |  |  | 36 |  |  |  | - |  |  |  | - |
Total |  | $ | 13,257 |  |  | $ | 13,257 |  |  | $ | - |  |  | $ | - |
|  | December 31, |  |  |  |  |  |  |  |  |  |  |  |  |
|  | 2021 |  |  | Fair Value Measurements at Reporting Date Using |
|  |  |  |  |  | Quoted Prices |  |  | Significant |  |  |  |  |
|  |  |  |  |  | in Active |  |  | Other |  |  | Significant |
|  |  |  |  |  | Markets for |  |  | Observable |  |  | Unobservable |
|  |  |  |  |  | Identical Assets |  |  | Inputs |  |  | Inputs |
Asset Class |  |  |  |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |
|  | (dollars in thousands) |
Cash |  | $ | 178 |  |  | $ | 178 |  |  | $ | - |  |  | $ | - |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. companies |  |  | 10,551 |  |  |  | 10,551 |  |  |  | - |  |  |  | - |
International companies |  |  | 897 |  |  |  | 897 |  |  |  | - |  |  |  | - |
Debt and/or fixed income securities |  |  | 5,804 |  |  |  | 5,804 |  |  |  | - |  |  |  | - |
Commodity funds |  |  | 111 |  |  |  | 111 |  |  |  | - |  |  |  | - |
Real estate funds |  |  | 63 |  |  |  | 63 |  |  |  | - |  |  |  | - |
Total |  | $ | 17,604 |  |  | $ | 17,604 |  |  | $ | - |  |  | $ | - |
Schedule of Defined Benefit Plans Disclosures [Table Text Block] |
2023 |  | $ | 738 |
2024 |  |  | 726 |
2025 |  |  | 724 |
2026 |  |  | 728 |
2027 |  |  | 770 |
2028 - 2032 |  |  | 3,744 |

X
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