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Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2020
Dec. 31, 2019
Consolidated Balance Sheets [Abstract]    
Preferred Stock, No Par Value
Preferred Stock, Shares Authorized 5,000,000 5,000,000
Preferred Stock, Shares Issued 0 0
Common Stock, Par Value Per Share $ 0.10 $ 0.10
Common Stock, Shares Authorized 20,000,000 20,000,000
Common Stock, Shares, Issued 6,342,568 6,340,563
Treasury Stock, Shares 13,778 12,007