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Note 12 - Employee Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Schedule of Net Funded Status [Table Text Block] |
|  | December 31, |
|  | 2023 |  |  | 2022 |
(Amounts in thousands) |  |  |  |  |  |  |  |
Beginning balance |  | $ | 9,488 |  |  | $ | 11,458 |
Effect of curtailment |  |  | — |  |  |  | — |
Service cost |  |  | — |  |  |  | — |
Interest cost |  |  | 451 |  |  |  | 332 |
Actuarial gain |  |  | (306 | ) |  |  | (1,718 | )
Benefits paid |  |  | (583 | ) |  |  | (584 | )
Ending balance |  | $ | 9,050 |  |  | $ | 9,488 |
Schedule of Net Benefit Costs [Table Text Block] |
|  | Year Ended December 31, |  |
|  | 2023 |  |  | 2022 |  |  | 2021 |  | Income Statement Location
(Amounts in thousands) |  |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | — |  |  | $ | — |  |  | $ | 352 |  | Salaries and employee benefits
Interest cost |  |  | 451 |  |  |  | 332 |  |  |  | 315 |  | Other expense
Effect of curtailment |  |  | — |  |  |  | — |  |  |  | 289 |  | Salaries and employee benefits
Amortization of prior service cost |  |  | — |  |  |  | — |  |  |  | 124 |  | Other expense
Amortization of losses |  |  | 38 |  |  |  | 135 |  |  |  | 264 |  | Other expense
Net periodic cost |  | $ | 489 |  |  | $ | 467 |  |  | $ | 1,344 |  |
Assumed discount rate |  |  | 4.79 | % |  |  | 4.96 | % |  |  | 2.88 | % |
Schedule of Expected Benefit Payments [Table Text Block] |
(Amounts in thousands) |  |  |  |
2024 |  | $ | 745 |
2025 |  |  | 743 |
2026 |  |  | 822 |
2027 |  |  | 789 |
2028 |  |  | 751 |
2029 through 2033 |  |  | 3,479 |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] |
|  | Year Ended December 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
(Amounts in thousands) |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax compensation expense |  | $ | 597 |  |  | $ | 718 |  |  | $ | 1,282 |
Excess tax (benefit) expense |  |  | — |  |  |  | — |  |  |  | (633 | )
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
(Amounts in thousands, except share and per share data) |  | Option Shares |  |  | Weighted Average Exercise Price Per Share |  |  | Weighted Average Remaining Contractual Term (Years) |  |  | Aggregate Intrinsic Value |
Outstanding, January 1, 2023 |  |  | 197,303 |  |  | $ | 29.61 |  |  |  |  |  |  |  |  |
Granted |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Exercised |  |  | (4,288 | ) |  |  | 21.25 |  |  |  |  |  |  |  |  |
Canceled/Expired |  |  | (6,751 | ) |  |  | 31.73 |  |  |  |  |  |  |  |  |
Outstanding, December 31, 2023 |  |  | 186,264 |  |  | $ | 29.72 |  |  |  | 6.37 |  |  | $ | 1,375 |
Exercisable, December 31, 2023 |  |  | 144,441 |  |  | $ | 28.77 |  |  |  | 6.13 |  |  | $ | 1,203 |
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] |
|  | Shares/Units |  |  | Weighted Average Grant-Date Fair Value |
Nonvested, January 1, 2023 |  |  | 73,605 |  |  | $ | 30.87 |
Granted |  |  | 69,964 |  |  |  | 26.33 |
Vested |  |  | (31,782 | ) |  |  | 24.04 |
Canceled |  |  | (2,794 | ) |  |  | 29.41 |
Nonvested, December 31, 2023 |  |  | 108,993 |  |  | $ | 29.98 |

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- Definition Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (f) -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 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://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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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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