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Note 2 - Acquisitions and Divestitures (Details Textual) $ in Thousands |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 21, 2023 USD ($) | Sep. 16, 2022 USD ($) | Dec. 31, 2023 USD ($) | Sep. 30, 2023 USD ($) | Jun. 30, 2023 USD ($) | Mar. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Sep. 30, 2022 USD ($) | Jun. 30, 2022 USD ($) | Mar. 31, 2022 USD ($) | Jun. 30, 2023 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Nov. 18, 2022 | Dec. 31, 2020 USD ($)
Deposits, Total |  |  |  | $ 2,722,325 |  |  |  | $ 2,678,815 | [1] |  |  |  |  | $ 2,722,325 | $ 2,678,815 | [1] |  |  |
Interest-Bearing Domestic Deposit, Demand |  |  |  | 693,979 |  |  |  | 679,609 |  |  |  |  |  | 693,979 | 679,609 |  |  |  |
Interest-Bearing Domestic Deposit, Savings |  |  |  | 535,566 |  |  |  | 578,974 |  |  |  |  |  | 535,566 | 578,974 |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 1,658 |  | $ 0 |  |
Business Combination, Acquisition Related Costs |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,393 | 596 |  | 0 |  |
Goodwill |  |  |  | 143,946 |  |  |  | 129,565 | [1] |  |  |  |  | 143,946 | 129,565 | [1] | 129,565 |  | $ 129,565
Financing Receivable, Credit Loss, Expense (Reversal) |  |  |  | $ 1,029 | $ 1,109 | $ 4,105 | $ 1,742 | 3,416 |  | $ 685 | $ 510 | $ 1,961 |  | 7,985 | $ 6,572 |  | $ (8,471) |  |
Surrey [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deposits, Total |  | $ 403,635 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Stock Conversion Ratio |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.7159 |
Business Combination, Consideration Transferred |  | 71,370 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Acquisition Related Costs |  | 2,990 |  |  |  |  |  | $ 596 |  |  |  |  | $ 2,390 |  |  |  |  |  |
Goodwill |  | 14,381 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill | [2] | 12,700 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans |  | 111,220 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contractual Cash Flows |  | 2,010 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Non Purchased Loans |  | 143,550 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Loans Acqured |  | (15,800) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Investment Securities |  | 47 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Surrey [Member] | Reclassification, Other [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  | 282 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal Income Payable |  | 389 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
State Income Tax Payable |  | 8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Surrey [Member] | Recorded By Surrey [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deposits, Total |  | 404,849 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill | [2] | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred Loan Fees |  | 2,940 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Surrey [Member] | Fair Value Adjustments [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deposits, Total |  | (1,214) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  | 14,381 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill | [2] | 12,700 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred Tax Assets, Gross |  | 177 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Surrey [Member] | Scenario, Adjustment [Member] | Reclassification, Other [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred Tax Assets, Gross |  | 99 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Surrey [Member] | Pro Forma [Member] | Reclassification, Other [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Credit Loss, Expense (Reversal) |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,270 |  |  |  |  |
Surrey [Member] | Financial Asset Acquired with Credit Deterioration [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans |  | 101,420 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Non Purchased Loans |  | $ 137,550 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operations [Member] | Emporia, Virginia Branch [Member] | Benchmark Community Bank [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal Group, Proceeds From Real Estate and Property |  |  | $ 1,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deposits, Total |  |  | 61,050 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Noninterest-Bearing Domestic Deposit, Demand |  |  | 18,380 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest-Bearing Domestic Deposit, Demand |  |  | 28,460 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest-Bearing Domestic Deposit, Savings |  |  | 11,520 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest-Bearing Domestic Deposit, Time Deposits, Total |  |  | 2,690 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal |  |  | $ 1,660 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | Derived from audited financial statements
[2] | Adjustment to record the core deposit intangible on the acquired deposit accounts.

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