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v3.23.2

Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parentheticals) - $ / shares | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Retained Earnings [Member] |  |  |  |
Cash dividends on common stock, per share (in dollars per share) | $ 0.15 | $ 0.14 | $ 0.30 | $ 0.28
Common Stock [Member] |  |  |  |
Issuance of common stock, dividend reinvestment plan, shares (in shares) | 2,536 | 2,363 | 4,752 | 5,120
Issuance of common stock, stock incentive plan, shares (in shares) |  |  | 21,302 | 27,134
Stock Repurchase Plan [Member] |  |  |  |
Repurchase of common stock shares (in shares) | 32,301 |  |  |
First National Corporation 2014 Stock Incentive Plan [Member] |  |  |  |
Repurchase of common stock shares (in shares) |  |  | 6,495 | 8,283
Repurchase of common stock shares (in shares) |  |  | 33,858 |

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