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Available-for-Sale Investments (Tables)
 6 Months Ended
Jun. 30, 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 June 30, 2022 and December 31, 2021 (in thousands):

 

June 30, 2022

 

Amortized cost

 

 

Gross unrealized
gains

 

 

Gross unrealized
losses

 

 

Fair Value

 

Commercial paper

 

$

56,852

 

 

$

—

 

 

$

(238

)

 

$

56,614

 

Corporate debt securities

 

 

—

 

 

 

—

 

 

 

—

 

 

 

—

 

U.S. government agency securities and treasuries

 

 

19,471

 

 

 

—

 

 

 

(195

)

 

 

19,276

 

Total

 

$

76,323

 

 

$

—

 

 

$

(433

)

 

$

75,890

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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