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Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2020
Dec. 31, 2019
Apr. 30, 2018
Mar. 30, 2016
Oct. 01, 2013
Statement Of Financial Position [Abstract]          
Common Stock, par value $ 0.01 $ 0.01     $ 0.01
Common Stock, shares authorized 500,000,000 500,000,000 500,000,000 150,000,000 100,000,000
Common Stock, shares issued 148,571,412 144,386,618 24,150,000    
Common Stock, shares outstanding 148,571,412 144,386,618