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Unaudited Condensed Consolidated Balance Sheets Parenthetical - $ / shares
Mar. 31, 2017
Dec. 31, 2016
Statement of Financial Position [Abstract]    
Preferred stock, par value per share $ 0.01 $ 0.01
Preferred stock, shares authorized 150,000,000 150,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par or stated value per share $ 0.01 $ 0.01
Common stock, shares authorized 1,500,000,000 1,500,000,000
Common stock, shares, issued 196,812,039 196,524,010
Common stock, shares, outstanding 196,812,039 196,524,010