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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Statement of Financial Position [Abstract]    
Held-to-maturity, fair value $ 357,521 $ 348,505
Common stock, par value (in dollars per share) $ 1.00 $ 1.00
Common stock, authorized (in shares) 40,000,000 40,000,000
Common stock, issued (in shares) 16,998,929 16,094,486
Common stock, outstanding (in shares) 16,573,707 15,886,143
Treasury stock (in shares) 425,222 208,343