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Condensed Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders' (Deficit) Equity (Unaudited) (Parenthetical) - USD ($)
$ in Millions
3 Months Ended
Jun. 30, 2021
Mar. 31, 2021
Mar. 31, 2020
IPO      
Stock issuance costs     $ 18.7
Private Placement      
Stock issuance costs   $ 8.0  
ATM Offering      
Stock issuance costs $ 5.5