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Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2021
Fair Value Disclosures [Abstract]  
Fair Values of Financial Assets Measured on Recurring Basis

The fair values of the Company’s financial assets that are measured on a recurring basis are as follows (in thousands):

 

 

 

March 31, 2021

 

 

 

Level 1

 

 

Level 2

 

 

Level 3

 

 

Total

 

Money market funds

 

$

282,269

 

 

$

 

 

$

 

 

$

282,269

 

Corporate bonds

 

 

 

 

 

84,538

 

 

 

 

 

 

84,538

 

Commercial paper

 

 

 

 

 

100,958

 

 

 

 

 

 

100,958

 

U.S. government bonds

 

 

30,059

 

 

 

 

 

 

 

 

 

30,059

 

Agency bonds

 

 

 

 

 

14,347

 

 

 

 

 

 

14,347

 

Asset-backed securities

 

 

 

 

 

12,569

 

 

 

 

 

 

12,569

 

Foreign government bonds

 

 

 

 

 

12,194

 

 

 

 

 

 

12,194

 

Equity investments

 

 

242

 

 

 

 

 

 

 

 

 

242

 

Total

 

$

312,570

 

 

$

224,606

 

 

$

 

 

$

537,176

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

December 31, 2020

 

 

 

Level 1

 

 

Level 2

 

 

Level 3

 

 

Total

 

Bond and mutual funds

 

$

 

 

$

8,144

 

 

$

 

 

$

8,144

 

Equity investments

 

 

244

 

 

 

 

 

 

 

 

 

244

 

Money market funds

 

 

590,347

 

 

 

 

 

 

 

 

 

590,347

 

Total

 

$

590,591

 

 

$

8,144

 

 

$

 

 

$

598,735