CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares shares in Thousands	Dec. 31, 2023	Dec. 31, 2022
Stockholders’ equity
Capital Stock, par value (in dollars per share)	$ 1	$ 1
Preferred stock, shares authorized (in shares)	1,000	1,000
Preferred stock, shares issued (in shares)	0	0
Common Stock
Stockholders’ equity
Common stock, shares authorized (in shares)	50,000	50,000
Common stock, shares issued (in shares)	30,220	30,006
Treasury stock, shares (in shares)	15,355	15,140
Class A Common Stock
Stockholders’ equity
Common stock, shares authorized (in shares)	15,000	15,000
Common stock, shares issued (in shares)	1,804	1,806
Treasury stock, shares (in shares)	522	522