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Available-for-Sale Investments (Tables)
3 Months Ended
Mar. 31, 2022
Investments Debt And Equity Securities [Abstract]  
Summary of Available-for-Sale Securities Held

The following tables summarize the available-for-sale securities held at March 31, 2022 and December 31, 2021 (in thousands):

 

March 31, 2022

 

Amortized cost

 

 

Gross unrealized

gains

 

 

Gross unrealized

losses

 

 

Fair Value

 

Commercial paper

 

$

88,342

 

 

$

 

 

$

(242

)

 

$

88,100

 

Corporate debt securities

 

 

3,620

 

 

 

 

 

 

(3

)

 

 

3,617

 

U.S. government agency securities and treasuries

 

 

8,050

 

 

 

 

 

 

(100

)

 

 

7,950

 

Total

 

$

100,012

 

 

$

 

 

$

(345

)

 

$

99,667

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

December 31, 2021

 

Amortized cost

 

 

Gross unrealized

gains

 

 

Gross unrealized

losses

 

 

Fair Value

 

Commercial paper

 

$

106,298

 

 

$

8

 

 

$

(29

)

 

$

106,277

 

Corporate debt securities

 

 

5,876

 

 

 

 

 

 

(3

)

 

 

5,873

 

U.S. government agency securities and treasuries

 

 

8,062

 

 

 

 

 

 

(21

)

 

 

8,041

 

Total

 

$

120,236

 

 

$

8

 

 

$

(53

)

 

$

120,191