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Common Stock- Global Employee Stock Purchase Plan (Details) - Employee Stock - shares
Sep. 30, 2020
Sep. 22, 2020
Class of Stock [Line Items]    
Maximum percent of eligible compensation available to contribute   15.00%
Purchase price of common stock, percent   85.00%
Class B Common Stock    
Class of Stock [Line Items]    
Shares reserved for future issuance (in shares)   25,000,000
Shares issued (in shares) 0