Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2026	Dec. 31, 2025
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 2	$ 2
Common stock, shares authorized (in shares)	15,000,000	15,000,000
Common stock, shares issued (in shares)	4,888,012	4,907,787
Common stock, shares outstanding (in shares)	4,888,012	4,907,787
Common stock, shares issued to rabbi trust (in shares)	222,506	222,506
Treasury stock shares (in shares)	2,056,379	2,021,940