Fair Value Measurements

12 Months Ended

Dec. 31, 2022

The following table summarizes our cash equivalents and marketable securities measured at fair value and by level (as described in Note 2. Summary of Significant Accounting Policies) on a recurring basis as of December 31, 2022:


(In thousands)	Level 1		Level 2		Level 3		Total
Cash equivalents	$	37,093	$	50,909	$	—	$	88,002
Total cash equivalents	37,093		50,909		—		88,002

Marketable securities:

U.S. Treasuries	—		84,596		—		84,596
Government securities	—		331,443		—		331,443
Corporate debt securities	—		541,695		—		541,695
Total marketable securities	—		957,734		—		957,734
Total cash equivalents and marketable securities	$	37,093	$	1,008,643	$	—	$	1,045,736

There were no transfers between Level 1 and Level 2 and we had no financial assets or liabilities that were classified as Level 3 at any point during the year ended December 31, 2022.

- 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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