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Investments (Tables)
9 Months Ended
Sep. 30, 2024
Investments, Debt and Equity Securities [Abstract]  
Debt Securities, Available-for-Sale
Cash equivalents, short-term and long-term investments as of September 30, 2024 were comprised as follows (in thousands):
Amortized CostUnrealized GainsUnrealized LossesFair Value
Cash equivalents and short-term investments:
Money market funds, included in cash equivalents
$18,838 $— $— $18,838 
Commercial paper
54,285 116 (7)54,394 
Government securities
70,345 106 (2)70,449 
Corporate debt securities
121,760 317 (5)122,072 
Total cash equivalents and short-term investments265,228 539 (14)265,753 
Long-term investments:
Corporate debt securities
32,171 298 (2)32,467 
Total long-term investments32,171 298 (2)32,467 
Total cash equivalents and investments$297,399 $837 $(16)$298,220 
Cash equivalents and short-term investments as of December 31, 2023 were comprised as follows (in thousands):
Amortized CostUnrealized GainsUnrealized LossesFair Value
Cash equivalents and short-term investments:
Money market funds, included in cash equivalents
$4,604 $— $— $4,604 
Commercial paper
32,515 44 (4)32,555 
Government securities
26,703 25 (4)26,724 
Corporate debt securities
2,941 — 2,947 
Total cash equivalents and short-term investments66,763 75 (8)66,830 
Total cash equivalents and investments$66,763 $75 $(8)$66,830