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Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2015
Dec. 31, 2014
Common Stock, Par Value Per Share (usd per share) $ 1.00 $ 1.00
Common Stock, Shares Authorized 50,000,000 50,000,000
Common Stock, Shares, Issued 23,416,396 23,416,396
Common Stock, Shares, Outstanding 23,416,396 23,416,396