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Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2021
Dec. 31, 2020
Common Stock    
Common Stock, Par Value (in dollars per share) $ 0.01 $ 0.01
Common Stock, Shares Authorized (in shares) 1,280,000,000 1,280,000,000
Common Stock, Shares Issued (in shares) 584,102,233 583,694,850
Treasury Stock    
Treasury Stock, Shares 243,058 124,265