Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Held-to-maturity, fair value	$ 183,484,000	$ 194,730,000
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	2,663,924	2,669,938
Treasury stock, at cost	316,678	310,664