Investments and Fair Value of Financial Assets and Liabilities (Tables)
12 Months Ended
Dec. 31, 2021
Investments and Fair Value of Financial Assets and Liabilities  
Schedule of investments by security type

The Company had no investments as of December 31, 2021. As of December 31, 2020, investments by security type consisted of the following (in thousands):

December 31, 2020

Amortized Cost

Gross
Unrealized
Gains

Gross
Unrealized
Losses

Credit Losses

Fair Value

U.S. treasury bills and notes (due within one year)

 

$

85,118

 

$

6

 

$

(2)

$

$

85,122

$

85,118

$

6

$

(2)

$

$

85,122

Schedule of financial assets and liabilities measured at fair value on a recurring basis

The following tables present the Company’s fair value hierarchy for its assets and liabilities, which are measured at fair value on a recurring basis (in thousands):

Fair value measurements at December 31, 2021 using:

    

Level 1

    

Level 2

    

Level 3

    

Total

Assets:

 

  

 

  

 

  

  

Cash equivalents:

 

  

 

  

 

  

  

U.S. money market funds

 

$

217,009

 

$

 

$

$

217,009

$

217,009

$

$

$

217,009

Fair value measurements at December 31, 2020 using:

    

Level 1 

    

Level 2 

    

Level 3

    

Total 

Assets:

 

  

 

  

 

  

  

Cash equivalents:

 

  

 

  

 

  

  

U.S money market funds

 

$

88,814

 

$

 

$

$

88,814

Investments:

 

 

 

 

  

U.S. treasury bills and notes

 

 

85,122

 

 

85,122

$

88,814

$

85,122

$

$

173,936