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Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2022
Dec. 31, 2021
Consolidated Balance Sheets [Abstract]    
Common Stock, Par Value Per Share $ 1 $ 1
Common Stock, Shares Authorized 15,000,000 15,000,000
Common Stock, Shares, Issued 4,710,972 4,710,972
Common Stock, Shares, Outstanding 4,390,397 4,441,443
Capital Stock, Shares Authorized 5,000,000 5,000,000
Capital Stock, Shares, Issued 0 0
Capital Stock, Shares, Outstanding 0 0
Treasury Stock, Shares 320,575 269,529