XML 22 R11.htm IDEA: XBRL DOCUMENT v3.21.2
Marketable Securities
 9 Months Ended
Sep. 30, 2021
Investments Debt And Equity Securities [Abstract]  
Investments

4. Marketable Securities

The following is a summary of the Company’s marketable securities as of September 30, 2021. The Company did not have any marketable securities as of December 31, 2020.

(in thousands)

 

Amortized Cost

 

 

Gross unrealized gain

 

 

Gross unrealized loss

 

 

Fair Value

 

Marketable securities

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Corporate debt securities

 

$

193,322

 

 

$

30

 

 

$

(205

)

 

$

193,147

 

Commercial paper

 

 

66,295

 

 

 

4

 

 

 

(5

)

 

 

66,294

 

 

 

$

259,617

 

 

$

34

 

 

$

(210

)

 

$

259,441

 

The Company’s marketable securities generally have contractual maturity dates of between four and 21 months.