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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 |  |

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