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Available-For-Sale Debt Securities (Tables)
 9 Months Ended
Sep. 30, 2023
Investments, Debt and Equity Securities [Abstract]  
Schedule of Debt Securities, Available-for-Sale
The following table summarizes the Company’s available-for-sale debt securities as of September 30, 2023 (in thousands).

September 30, 2023
Amortized CostUnrealized GainsUnrealized LossesFair Value
U.S. government securities$16,647 $2 $— $16,649 
U.S. government agency securities
14,761 7 — 14,768 
Corporate debt securities
3,938 — (8)3,930 
Commercial paper
69,392 — (27)69,365 
Total
$104,738 $9 $(35)$104,712 

The following table summarizes the Company’s available-for-sale debt securities as of December 31, 2022 (in thousands).

December 31, 2022
Amortized CostUnrealized GainsUnrealized LossesFair Value
U.S. government agency securities
$39,634 $5 $(42)$39,597 
Non-U.S. government securities
3,964 — (18)3,946 
Corporate debt securities
21,850 — (126)21,724 
Commercial paper
35,745 — (47)35,698 
Total
$101,193 $5 $(233)$100,965