Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2024	Dec. 31, 2023
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	4,393,873	4,371,231
Capital Stock, No Par Value
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	317,099	339,741