XML 35 R6.htm IDEA: XBRL DOCUMENT v3.20.4
Consolidated Statements of Changes in Convertible Preferred Stock and Stockholders' Equity (Deficit) (Parenthetical)
$ in Millions
12 Months Ended
Dec. 31, 2020
USD ($)
Statement Of Stockholders Equity [Abstract]  
Stock issuance costs $ 6.3