Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	20,000,000	20,000,000
Common stock, shares issued (in shares)	13,466,281	12,934,966
Common stock, shares outstanding (in shares)	12,618,265	12,086,950
Treasury stock, shares (in shares)	848,016	848,016