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CONSOLIDATED BALANCE SHEETS (Parentheticals) - $ / shares
shares in Thousands
Dec. 31, 2019
Dec. 31, 2018
Statement Of Financial Position [Abstract]    
Common stock, par value (in dollars per share) $ 0.10 $ 0.10
Common stock, shares authorized 350,000 350,000
Common stock, shares issued 226,631 202,346
Common stock, shares outstanding 226,631 202,346