Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.10.0.1
Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2018
Dec. 31, 2017
Statement of Financial Position [Abstract]    
Common Stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 750,000,000 750,000,000
Common Stock, shares issued (in shares) 586,881,720 560,023,745
Treasury stock, shares (in shares) 549,907 549,907