Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Held-to-maturity securities	$ 340,648	$ 357,521
Available-for-sale, amortized cost	$ 284,770	$ 245,886
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)	19,796,519	16,998,929
Common stock, outstanding (in shares)	19,355,797	16,573,707
Treasury stock (in shares)	440,722	425,222