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FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES (Tables)
12 Months Ended
Dec. 31, 2020
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES  
Schedule of financial assets and liabilities recorded at fair value on a recurring basis

December 31, 2020

    

Level 1

    

Level 2

    

Level 3

    

Total

Cash

$

796,421

$

$

$

796,421

Money market funds

 

352,730

 

 

 

352,730

Certificates of deposit

23,137

23,137

Commercial paper

 

 

130,883

 

 

130,883

Municipal securities

 

 

9,083

 

 

9,083

U.S. government agency securities

 

 

91,882

 

 

91,882

U.S. treasuries

701,922

701,922

Foreign currency derivatives

 

 

(2,578)

 

 

(2,578)

Total

$

1,149,151

$

954,329

$

$

2,103,480

Amounts included in:

Cash and cash equivalents

$

1,149,151

$

31,262

$

$

1,180,413

Short-term investments

 

 

881,354

 

 

881,354

Accounts receivable, net

 

 

69

 

 

69

Investments

 

 

44,291

 

 

44,291

Accrued liabilities

 

 

(2,647)

 

 

(2,647)

Total

$

1,149,151

$

954,329

$

$

2,103,480

December 31, 2019

    

Level 1

    

Level 2

    

Level 3

    

Total

Cash

$

518,178

$

$

$

518,178

Money market funds

 

191,131

 

 

 

191,131

Certificates of deposit

28,049

28,049

Commercial paper

 

 

96,867

 

 

96,867

Variable rate demand notes

21,680

21,680

Municipal securities

 

 

167,224

 

 

167,224

U.S. government agency securities

 

 

73,634

 

 

73,634

U.S. treasuries

247,162

247,162

Foreign currency derivatives

 

 

(687)

 

 

(687)

Total

$

709,309

$

633,929

$

$

1,343,238

Amounts included in:

Cash and cash equivalents

$

709,309

$

88,648

$

$

797,957

Short-term investments

 

 

533,063

 

 

533,063

Accounts receivable, net

 

 

329

 

 

329

Investments

 

 

12,905

 

 

12,905

Accrued liabilities

 

 

(1,016)

 

 

(1,016)

Total

$

709,309

$

633,929

$

$

1,343,238