CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Statement of Financial Position [Abstract]
Held-to-maturity securities	$ 339,708	$ 340,648
Available-for-sale, amortized cost	$ 278,158	$ 284,770
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)	19,802,816	19,796,519
Common stock, outstanding (in shares)	19,362,094	19,355,797
Treasury stock (in shares)	440,722