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Cash, Cash Equivalents and Short-Term Investments - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Cash, Cash Equivalents and Short-Term Investments    
Realized (gains) and Losses on available-for-sale investments $ (50) $ (40)
Equity Securities, FV-NI $ 105,500