XML 13 R3.htm IDEA: XBRL DOCUMENT v3.22.2
Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 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 4,422,280 4,441,443
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 288,692 269,529