Consolidated Balance Sheets (Parenthetical) - USD ($)	Mar. 31, 2026	Dec. 31, 2025
Statement of Financial Position [Abstract]
Debt securities available-for-sale, allowance for credit loss	$ 69,000	$ 75,000
Debt securities, held-to-maturity, allowance for credit loss	0	0
Debt securities held-to-maturity	$ 187,239,000	$ 189,873,000
Preferred stock, stated value (in dollars per share)	$ 1,000	$ 1,000
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	200,000,000	200,000,000
Common stock, shares issued (in shares)	73,251,984	72,898,342
Treasury stock (in shares)	5,931,686	4,876,026