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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Statement Of Financial Position [Abstract]    
Preferred stock, par value $ 10 $ 10
Preferred stock, shares authorized 500,000 500,000
Common stock, par value $ 2.50 $ 2.50
Common stock, shares authorized 10,000,000 10,000,000
Common stock, shares issued 3,522,431 3,490,086
Common stock, shares, outstanding 3,522,431 3,490,086
Common stock, unvested restricted shares 62,409 38,780
Securities available for sale $ 171,021 $ 175,059