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Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited) - $ / shares
Sep. 30, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Convertible preferred stock, par value $ 0.0001 $ 0.0001
Convertible preferred stock, shares authorized 0 195,021,000
Convertible preferred stock, shares issued 0 194,474,000
Outstanding convertible preferred stock (in shares) 0 194,474,000
Preferred stock, par value $ 0.0001 $ 0.0001
Preferred stock, shares authorized 10,000,000 0
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares authorized 500,000,000 264,905,000
Common stock, shares, issued 239,789,000 15,570,000
Common Stock, shares, outstanding 239,789,000 15,570,000