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Summary of Significant Accounting Policies - Carrying Value of Investment Securities (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Summary of Investment Holdings [Line Items] |  |
Total Short-term Investments | $ 36,717 | $ 40,290
Treasury bills and notes |  |
Summary of Investment Holdings [Line Items] |  |
Total Short-term Investments | $ 36,717 | $ 40,290

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