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Fair Value Measurements - Schedule of Changes in Fair Value of Level 3 Investment (Details) - Level 3 - USD ($) $ in Thousands | 2 Months Ended | 3 Months Ended
--- | --- | ---
Sep. 30, 2021 | Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Unrealized gains |  | $ 200
Matterport, Inc. |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Beginning balance | $ 8,711 |
Unrealized gains | 72,910 |
Discount due to lack of marketability | (4,081) |
Ending balance | $ 77,540 |

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