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Cash, Cash Equivalents and Investments - Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Cash, Cash Equivalents, and Short-Term Investments [Abstract]      
Investments in an unrealized loss position, fair value $ 58,500,000 $ 89,000,000  
Realized gains (losses) $ 0 $ 0 $ 0