XML 27 R17.htm IDEA: XBRL DOCUMENT v3.22.1
Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2022
Fair Value Disclosures [Abstract]  
Summary of Financial Assets Measured at Fair Value on a Recurring Basis

The following tables summarize the Company’s financial assets measured at fair value on a recurring basis by level within the fair value hierarchy:

 

 

 

March 31, 2022

 

 

 

Fair Value
Hierarchy

 

Amortized
Cost

 

 

Unrealized
Gains

 

 

Unrealized
Losses

 

 

Fair Market
Value

 

 

 

(In thousands)

 

Money market funds

 

Level 1

 

$

359,789

 

 

$

 

 

$

 

 

$

359,789

 

U.S. government treasury securities

 

Level 1

 

 

417,885

 

 

 

 

 

 

(3,934

)

 

 

413,951

 

Total cash equivalents and marketable
   securities

 

 

 

$

777,674

 

 

$

 

 

$

(3,934

)

 

$

773,740

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

December 31, 2021

 

 

 

Fair Value
Hierarchy

 

Amortized
Cost

 

 

Unrealized
Gains

 

 

Unrealized
Losses

 

 

Fair Market
Value

 

 

 

(In thousands)

 

Money market funds

 

Level 1

 

$

218,451

 

 

$

 

 

$

 

 

$

218,451

 

U.S. government treasury securities

 

Level 1

 

 

407,041

 

 

 

8

 

 

 

(950

)

 

 

406,099

 

Total cash equivalents and marketable
   securities

 

 

 

$

625,492

 

 

$

8

 

 

$

(950

)

 

$

624,550