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Consolidated Statements of Changes in Shareholders' Equity (Parentheticals) - $ / shares
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Common Stock [Member] | Touchstone Bankshares, Inc [Member]    
Stock Issued During Period, Shares, Acquisitions (in shares) 2,673,640  
Common Stock [Member] | Stock Incentive Plan [Member]    
Repurchase of shares of common stock, shares (in shares)   6,495
Repurchase of common stock shares (in shares) 5,356  
Common Stock [Member] | Stock Repurchase Plan [Member]    
Repurchase of shares of common stock, shares (in shares)   37,532
Common Stock [Member]    
Issuance of common stock, dividend reinvestment plan, shares (in shares) 9,307 9,214
Issuance of common stock, stock incentive plan, shares (in shares) 33,037 33,002
Cash dividends on common stock, per share (in dollars per share) $ 0.605 $ 0.6
Issuance of common stock, dividend reinvestment plan, shares (in shares) 9,307 9,214