Fair Value Measurement

12 Months Ended

Dec. 31, 2021

The following tables summarize the Company's financial assets and financial liabilities that are measured at fair value on a recurring basis:


	December 31, 2021
(in thousands)	Level 1		Level 2		Level 3		Total
Financial assets:
Cash and cash equivalents
Money market trust	$	421,943	$	—	$	—	$	421,943
Money market fund	35,297		—		—		35,297
Restricted cash
Time deposit	250,839		—		—		250,839
Money market trust	68,961		—		—		68,961


Long-term restricted cash
Time deposit	2,839		—		—		2,839

Total financial assets	$	779,879	$	—	$	—	$	779,879


	December 31, 2020
(in thousands)	Level 1		Level 2		Level 3		Total
Financial assets:
Cash and cash equivalents
Money market trust	$	629,393	$	—	$	—	$	629,393
Money market fund	35,641		—		—		35,641
Restricted cash
Time deposit	144,949		—		—		144,949
Other current assets
Time deposit	18,382		—		—		18,382
Long-term restricted cash
Time deposit	4,898		—		—		4,898
Total financial assets	$	833,263	$	—	$	—	$	833,263

Financial liabilities:
Derivative instrument	$	—	$	—	$	—	$	—
Total financial liabilities	$	—	$	—	$	—	$	—

The following table summarizes information about the significant unobservable inputs used in the fair value measurement of the Company’s derivative instrument:

December 31, 2020

Fair Value

Valuation Technique

Unobservable Inputs

Input Amount

Derivative instrument

—

Valuation of convertible notes with and without the derivative instrument. Incorporates a discounted cash flow model and option pricing model.

Discount rate

Equity value: Long-term revenue growth rate

3.5

Equity value: Revenue market multiple

1.3x - 1.5x

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

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