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CONSOLIDATED BALANCE SHEET (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Oil and gas properties and equipment, net of accumulated depletion $ 4,657 $ 155
Property and equipment, net of accumulated depreciation $ 5,721 $ 5,164
Common stock, par value $ 1.00 $ 1.00
Common stock, shares authorized 200,000,000 200,000,000
Common stock, shares issued 36,946,603 36,835,732
Treasury stock, common shares 2,327,623 2,212,876