Consolidated Balance Sheets (Parenthetical) - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Held-to-maturity, fair value	$ 194,730,000	$ 211,954,000
Held-to-maturity, credit loss allowance	$ 0	$ 0
Common stock, par value	$ 6.25	$ 6.25
Common stock, authorized shares	9,000,000	9,000,000
Common stock, shares issued	2,980,602	2,980,602
Common stock, shares outstanding	2,669,938	2,707,576
Treasury Stock, Shares	310,664	273,026