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Cash and Cash Equivalents and Marketable Securities - Additional Information (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Investments Debt And Equity Securities [Abstract]      
Unrealized gains $ 0 $ 0 $ 0
Unrealized losses $ 0 $ 0 $ 0