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Marketable Securities and Investments - Narrative (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Sep. 07, 2021
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]      
Investments $ 2,000 $ 2,000  
Cyrus Biotechnology, Inc.      
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]      
Investments $ 2,000 $ 2,000 $ 2,000