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Short-Term Investments (Tables)
 3 Months Ended
Mar. 31, 2024
Investments, Debt and Equity Securities [Abstract]  
Summary of Short-term Investments Classified as Available-for-sale Securities

The following is a summary of short-term investments, which were classified as available-for-sale securities as of March 31, 2024 and December 31, 2023 (in thousands):

 

 

 

March 31, 2024

 

 

December 31, 2023

 

 

 

Amortized Cost

 

 

Fair Value

 

 

Amortized Cost

 

 

Fair Value

 

U.S. government securities

 

$

20,441

 

 

$

20,441

 

 

$

33,213

 

 

$

33,213

 

U.S. government agency securities

 

 

16,766

 

 

 

16,766

 

 

 

13,277

 

 

 

13,277

 

Total short-term investments

 

$

37,207

 

 

$

37,207

 

 

$

46,490

 

 

$

46,490