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Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2019
Dec. 31, 2018
Statement Of Financial Position [Abstract]    
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 10,000,000 10,000,000
Preferred stock, shares issued (in shares) 41,517 101
Preferred stock, shares outstanding (in shares) 41,517 101
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 1,000,000,000 1,000,000,000
Common stock, shares issued (in shares) 67,091 14,715
Common stock, shares outstanding (in shares) 67,091 14,715