Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2022	Dec. 31, 2021
Consolidated Balance Sheets
Preferred stock, par value (in dollars per share)	$ 5.00	$ 5.00
Preferred stock, authorized shares	500,000	500,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, authorized shares	30,000,000	30,000,000
Common stock, shares issued	6,703,166	6,681,469
Treasury stock, shares	1,021,087	1,015,457