Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Investment securities:
Available-for-sale, amotized cost	$ 1,215,813	$ 1,257,436
Held-to-maturity, at fair value	$ 2,288	$ 2,279
Stockholders’ equity:
Common stock, par value (in dollars per share)	$ 4	$ 4
Common stock, authorized (in shares)	45,000,000	45,000,000
Common stock, issued (in shares)	24,671,969	24,564,356
Common stock, outstanding (in shares)	23,986,299	23,895,807
Treasury stock (in shares)	685,670	668,549