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Marketable Securities And Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2022
Fair Value Disclosures [Abstract]  
Summary of marketable securities

The following tables present our marketable securities by security type:

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

As of June 30, 2022

​

    

​

​

    

Gross

    

Gross

    

​

​

​

Amortized

​

Unrealized

​

Unrealized

​

Fair

(in thousands)

​

Cost

​

Gains

​

Losses

​

Value

Commercial paper

​

$

19,915

​

$

—

​

$

—

​

$

19,915

U.S. treasury securities

​

​

134,363

​

​

—

​

​

(339)

​

​

134,024

Totals

​

$

154,278

​

$

—

​

$

(339)

​

$

153,939

Summary of assets measured at fair value on a recurring basis

The following tables present our assets that are measured at fair value on a recurring basis and indicate the level within the fair value hierarchy of the valuation techniques that we utilized to determine such fair value:

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​

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Fair Value Measurements at June 30, 2022 Using:

(in thousands)

​

Level 1

​

Level 2

​

Level 3

​

Total

Cash equivalents:

 

​

  

 

​

  

 

​

  

 

​

  

Money market funds

​

$

1,071

​

$

—

​

$

—

​

$

1,071

U.S. treasury securities

​

​

—

​

​

44,954

​

​

—

​

​

44,954

Marketable securities:

​

 

  

​

 

  

​

 

  

​

 

  

Commercial paper

​

 

—

​

 

19,915

​

 

—

​

 

19,915

U.S. treasury securities

​

 

—

​

 

134,024

​

 

—

​

 

134,024

Totals

​

$

1,071

​

$

198,893

​

$

—

​

$

199,964

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

    

Fair Value Measurements at December 31, 2021 Using:

(in thousands)

    

Level 1

    

Level 2

    

Level 3

    

Total

Cash equivalents:

​

​

  

 

​

  

 

​

  

 

​

  

Money market funds

​

$

259,609

​

$

—

​

$

—

​

$

259,609