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Fair Value of Financial Assets and Liabilities (Tables)
9 Months Ended
Sep. 30, 2022
Fair Value of Financial Assets and Liabilities  
Schedule of summary of the assets and liabilities measured at fair value on a recurring basis

The following tables summarize the assets and liabilities measured at fair value on a recurring basis at September 30, 2022 and December 31, 2021 (in thousands):

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​

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Fair Value Measurements at September 30, 2022

​

    

Total

    

Level 1

    

Level 2

    

Level 3

Assets:

​

​

  

​

​

  

​

​

  

​

​

  

Money market funds, included in cash and cash equivalents

​

$

122,040

​

$

122,040

​

$

—

​

$

—

Marketable securities:

​

 

  

​

 

  

​

 

  

​

 

  

U.S. Treasury obligations

​

​

210,580

​

​

210,580

​

​

—

​

​

—

Total assets

​

$

332,620

​

$

332,620

​

$

—

​

$

—

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Fair Value Measurements at December 31, 2021

​

    

Total

    

Level 1

    

Level 2

    

Level 3

Assets:

​

​

  

​

​

  

​

​

  

​

​

  

Money market funds, included in cash and cash equivalents

​

$

188,493

​

$

188,493

​

$

—

​

$

—

Marketable securities:

​

 

  

​

 

  

​

 

  

​

 

  

U.S. Treasury obligations

​

 

40,159

​

 

40,159

​

 

—

​

 

—

Total assets

​

$

228,652

​

$

228,652

​

$

—

​

$

—