Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Debt securities available-for-sale, allowance for credit loss	$ 69	$ 75
Debt securities, held-to-maturity, allowance for credit loss	0	0
Estimated fair value	$ 122,731	$ 114,538
Preferred stock, par or stated value per share (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 or stated value per share (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	200,000,000	200,000,000
Common stock, shares, issued (in shares)	72,516,079	72,263,727
Treasury stock (in shares)	3,462,738	2,894,677