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Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2019
Dec. 31, 2018
Statement of Financial Position [Abstract]    
Noncontrolling interest, units eligible towards redemption (in shares) 554,110 531,161
Common Stock, par value (in usd per share) $ 0.001 $ 0.001
Common stock, number of shares authorized (in shares) 800,000,000 800,000,000
Common stock, number of shares outstanding (in shares) 227,853,720 174,278,341