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Non-Marketable Equity Securities (Tables) | 9 Months Ended
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Sep. 30, 2021
Investments, Debt and Equity Securities [Abstract] |
Summary of Carrying Value of the Non-marketable Equity Securities | The carrying value of the non-marketable equity securities as of September 30, 2021, is summarized below.
Initial cost as of April 26, 2021 |  | $ | 1,759 |
Change in fair value |  |  | (645 | )
Balance as of September 30, 2021 |  | $ | 1,114 |

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- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References No definition available. + Details
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