Common Stock- Global Employee Stock Purchase Plan (Details) - USD ($) $ in Thousands	Sep. 22, 2020	Jun. 30, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Employee stock purchase plan contributions		$ 3,851	$ 0
Employee Stock
Class of Stock [Line Items]
Maximum percent of eligible compensation available to contribute	15.00%
Maximum employee annual contribution amount	$ 25
Purchase price of common stock, percent	85.00%
Class B Common Stock | Employee Stock
Class of Stock [Line Items]
Shares reserved for future issuance (in shares)	25,000,000