XML 51 R29.htm IDEA: XBRL DOCUMENT v3.20.4
Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2020
Fair Value Measurements  
Schedule of assets measured at fair value on a recurring basis

Assets measured at fair value on a recurring basis as of December 31, 2020 were as follows (in thousands):

    

    

Quoted Prices

    

Significant

    

in Active

Other

Significant

Markets for

Observable

Unobservable

December 31, 

Identical Assets

Inputs

Inputs

Financial Assets

2020

(Level 1)

(Level 2)

(Level 3)

Cash equivalents:

Money market funds

$

139,682

$

139,682

$

$

Marketable securities:

U.S. Treasuries

180,373

180,373

Government agency securities

107,645

107,645

Commercial paper

41,904

41,904

Corporate bonds

42,170

42,170

Restricted cash and other non-current assets:

Money market funds

3,877

3,877

Total financial assets

$

515,651

$

323,932

$

191,719

$

Assets measured at fair value on a recurring basis as of December 31, 2019 were as follows (in thousands):

    

    

Quoted Prices

    

Significant

    

in Active

Other

Significant

Markets for

Observable

Unobservable

December 31, 

Identical Assets

Inputs

Inputs

Financial Assets

2019

(Level 1)

(Level 2)

(Level 3)

Cash equivalents:

Money market funds

$

230,201

$

230,201

$

$

U.S. Treasuries

7,982

7,982

Marketable securities:

U.S. Treasuries

63,386

63,386

Government agency securities

155,571

155,571

Restricted cash and other non-current assets:

Corporate equity securities

3,667

3,667

Money market funds

1,619

1,619

Total financial assets

$

462,426

$

458,759

$

3,667

$