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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