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Available-For-Sale Debt Securities
 9 Months Ended
Sep. 30, 2024
Investments, Debt and Equity Securities [Abstract]  
Available-For-Sale Debt Securities
Note 4. Available-For-Sale Debt Securities
The following table summarizes the Company’s available-for-sale debt securities as of September 30, 2024 (in thousands).

September 30, 2024
Amortized CostUnrealized GainsUnrealized LossesFair Value
U.S. government securities$31,020 $32 $— $31,052 
Non-U.S. government and agency securities3,964 8 — 3,972 
Corporate debt securities
27,467 80 (1)27,546 
Commercial paper
47,747 109 (1)47,855 
Total
$110,198 $229 $(2)$110,425 

The following table summarizes the Company’s available-for-sale debt securities as of December 31, 2023 (in thousands).

December 31, 2023
Amortized CostUnrealized GainsUnrealized LossesFair Value
U.S. government securities$18,596 $5 $— $18,601 
U.S. government agency securities
9,949 — (3)9,946 
Corporate debt securities
3,963 1 — 3,964 
Commercial paper
73,701 76 (10)73,767 
Total
$106,209 $82 $(13)$106,278 


There were no realized gains or losses related to available-for-sale debt securities for the three and nine months ended September 30, 2024. As of September 30, 2024, the fair value of the Company’s available-for-sale debt securities with contractual maturity of one year or less from the condensed consolidated balance sheet date was $110.4 million.

As of September 30, 2024, the gross unrealized losses that have been in a continuous unrealized loss position for less than 12 months were immaterial, which were related to $8.2 million of available-for-sale debt securities. There were no gross unrealized losses that have been in a continuous unrealized loss position for more than 12 months.

The Company did not recognize any credit losses related to the Company’s debt securities during the three and nine months ended September 30, 2024. Unrealized losses related to available-for-sale debt securities are due to interest rate fluctuations as opposed to credit quality. The Company does not intend to sell these investments. In addition, it is more likely than not that the Company will not be required to sell them before recovery of the amortized cost basis, which may be at maturity.