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Cash, Cash Equivalents and Short-Term Investments - Additional Information (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Cash, Cash Equivalents and Short-Term Investments    
Realized losses (gains) on available-for-sale investments $ 100 $ (10)
Investments in equity securities $ 98,700