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Condensed Consolidated Statements of Stockholder's Equity (Deficit) (Parenthetical) - USD ($)
$ in Millions
3 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Common Stock    
Common stock issuance costs $ 11.3  
Redeemable Convertible Preferred Stock    
Issuance of series B preferred stock value of issuance costs   $ 4.5