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Short-Term Investments (Tables)

6 Months Ended

Jun. 30, 2024

Investments, Debt and Equity Securities [Abstract]

Summary of short-term investments

Short-term investments as of December 31, 2023 consisted of the following (in thousands):

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​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	Gross		​	​	​
​	​	Amortized		​	Unrealized		​	Estimated
​		Cost			Gain (Loss)			Fair Value
U.S. government securities	​	$	157,628	​	$	28	​	$	157,656
Certificates of deposit	​		530	​		—	​		530
Total short-term investments	​	$	158,158	​	$	28	​	$	158,186

​

Short-term investments as of June 30, 2024 consisted of the following (in thousands):

​

​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	Gross		​	​	​
​	​	Amortized		​	Unrealized		​	Estimated
​		Cost			Gain (Loss)			Fair Value
U.S. government securities	​	$	125,671	​	$	—	​	$	125,671
Certificates of deposit	​	​	541	​	​	—	​	​	541
Total short-term investments	​	$	126,212	​	$	—	​	$	126,212

​

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- Definition

Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.

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