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Condensed Consolidated Balance Sheet (Unaudited) (Parenthetical) - $ / shares
Jun. 30, 2015
Dec. 31, 2014
Statement of Financial Position [Abstract]    
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized 300,000,000 300,000,000
Common stock, shares issued 139,560,426 101,627,296
Common Stock, Shares, Outstanding 139,156,287 101,341,619
Treasury stock, shares 404,139 285,677