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Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2021
Fair Value Measurements  
Schedule assets and liabilities measured at fair value on a recurring basis

The following tables present information about the Company’s assets and liabilities that are measured at fair value on a recurring basis using the above input categories (in thousands):

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March 31, 2021

​

    

Level 1

    

Level 2

    

Level 3

    

Total

Cash and cash equivalents

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$

720,104

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$

0

​

$

0

​

$

720,104

Short-term investments

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$

0

​

$

2,530

​

$

0

​

$

2,530

Equity securities without readily determinable fair values

​

$

0

​

$

10,852

​

$

0

​

$

10,852

Contingent liability

​

$

0

​

$

0

​

$

4,138

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$

4,138

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​

​

​

​

​

​

​

​

​

​

​

​

​

​

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December 31, 2020

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Level 1

    

Level 2

    

Level 3

    

Total

Cash and cash equivalents

​

$

733,324

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$

0

​

$

0

​

$

733,324

Short-term investments

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$

0

​

$

53,245

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$

0

​

$

53,245

Equity securities without readily determinable fair values

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$

0

​

$

5,000

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$

0

​

$

5,000

Contingent liability

​

$

0

​

$

0

​

$

4,514

​

$

4,514

Schedule of change in fair value of the Company's equity securities without readily determinable fair values:

The change in fair value of the Company’s equity securities without readily determinable fair values was as follows:

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Fair value and historical cost basis at December 31, 2020

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$

5,000

Upward adjustment due to observable price change in identical securities

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5,852

Fair value at March 31, 2021

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$

10,852

Schedule of reconciliation of company's Level 3 liabilities

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​

​

​

​

Fair value at December 31, 2020

​

$

4,514

Payments

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(187)

Currency translation adjustment

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​

(189)

Fair value at March 31, 2021

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$

4,138