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Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 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):

 

 

 

September 30, 2021

 

 

 

Level 1

 

 

Level 2

 

 

Level 3

 

 

Total

 

Money market funds

 

$

171,628

 

 

$

 

 

$

 

 

$

171,628

 

Corporate bonds

 

 

 

 

 

126,994

 

 

 

 

 

 

126,994

 

Commercial paper

 

 

 

 

 

107,402

 

 

 

 

 

 

107,402

 

U.S. government bonds

 

 

73,108

 

 

 

 

 

 

 

 

 

73,108

 

Agency bonds

 

 

 

 

 

23,399

 

 

 

 

 

 

23,399

 

Asset-backed securities

 

 

 

 

 

27,256

 

 

 

 

 

 

27,256

 

Foreign government bonds

 

 

 

 

 

8,127

 

 

 

 

 

 

8,127

 

Equity investments

 

 

225

 

 

 

 

 

 

 

 

 

225

 

Total

 

$

244,961

 

 

$

293,178

 

 

$

 

 

$

538,139

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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