Fair Value Measurements

9 Months Ended

Sep. 30, 2020

The accounting guidance for fair value measurements provides a framework for measuring fair value on either a recurring or nonrecurring basis, whereby the inputs used in our valuation techniques are assigned a hierarchical level. The following are the three levels of inputs to measure fair value:


•	Level 1: Observable inputs that reflect quoted prices (unadjusted) for identical assets or liabilities in active markets.

•

Level 2: Inputs that reflect quoted prices for identical assets or liabilities in less active markets; quoted prices for similar assets or liabilities in active markets; benchmark yields, reported trades, broker/dealer quotes, inputs other than quoted prices that are observable for the assets or liabilities; or inputs that are derived principally from or corroborated by observable market data by correlation or other means.


•	Level 3: Unobservable inputs that reflect our own assumptions incorporated in valuation techniques used to measure fair value. These assumptions are required to be consistent with market participant assumptions that are reasonably available.

We consider an active market to be one in which transactions for the asset or liability occur with sufficient frequency and volume to provide pricing information on an ongoing basis, and consider an inactive market to be one in which there are infrequent or few transactions for the asset or liability, the prices are not current, or price quotations vary substantially either over time or among market makers. Where appropriate, our own or the counterparty’s non-performance risk is considered in measuring the fair values of assets.

The following table presents our assets and liabilities measured at fair value on a recurring basis using the above input categories (in thousands):



	As of September 30, 2020								As of December 31, 2019
Description	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets
Cash equivalents:
Money market funds	$	29,481	$	—	$	—	$	29,481	$	24,246	$	—	$	—	$	24,246
Total cash equivalents	29,481		—		—		29,481		24,246		—		—		24,246
Short-term investments:
Certificates of deposit	—		3,254		—		3,254		—		5,145		—		5,145
Commercial paper	—		19,982		—		19,982		—		—		—		—
Corporate notes and bonds	—		447,977		—		447,977		—		472,908		—		472,908
U.S. Treasuries	—		71,092		—		71,092		—		48,069		—		48,069
U.S. Government agencies	—		85,587		—		85,587		—		178,833		—		178,833
Total short-term investments	—		627,892		—		627,892		—		704,955		—		704,955
Total assets measured at fair value	$	29,481	$	627,892	$	—	$	657,373	$	24,246	$	704,955	$	—	$	729,201

Additionally, we have a restructuring liability related to certain real estate facilities that was calculated based on the present value of future non-lease payments, discounted at a rate commensurate with our current cost of financing as well as external ratings. This non-recurring fair value measurement is considered to be a Level 3 measurement due to the use of significant unobservable inputs. See Note 6 Restructuring Charges for a reconciliation of this liability.

We measure certain assets, including goodwill, intangible assets and our equity-method investment in a privately held company at fair value on a nonrecurring basis when there are identifiable events or changes in circumstances that may have a significant adverse impact on the fair value of these assets. In light of the COVID-19 pandemic, we performed an analysis of impairment indicators of these assets and noted no adverse impact to their fair values as of September 30, 2020.

The estimated fair value of the Convertible Senior Notes was determined to be $1 billion as of September 30, 2020 and $1.1 billion as of December 31, 2019. The fair value was determined based on the closing trading prices per $100 principal amount of the respective Convertible Senior Notes as of the last day of trading for the period. We consider the fair value of the Convertible Senior Notes to be a Level 2 measurement as they are not actively traded.

- 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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