Fair Value Measurements

12 Months Ended

Dec. 31, 2023

Fair Value Measurements

Fair Value Measurements

4. Fair Value Measurements

The Company's financial assets and liabilities carried at fair value are comprised of investment assets that include money market and investments.

The fair value accounting guidance requires that assets and liabilities be carried at fair value and classified in one of the following three categories:

Level I: Quoted prices in active markets for identical assets and liabilities that the Company has the ability to access.

Level II: Observable market-based inputs or unobservable inputs that are corroborated by market data, such as quoted prices, interest rates, and yield curves; and

Level III: Inputs that are unobservable data points that are not corroborated by market data.

This hierarchy requires the Company to use observable market data, when available, and to minimize the use of unobservable inputs when determining fair value.

Assets and Liabilities That Are Measured at Fair Value on a Recurring Basis

The following table represents the fair value hierarchy for the Company’s financial assets and financial liabilities measured at fair value on a recurring basis:


		December 31, 2023												December 31, 2022
		Level I			Level II			Level III			Total			Level I			Level II			Level III			Total

		(in thousands)
Financial Assets:
Cash, cash equivalents and restricted cash⁽¹⁾			642,095			—			—			642,095			466,091			—			—			466,091
U.S. Treasury securities			200,418			—			—			200,418			346,057			—			—			346,057
Corporate bonds and notes			—			—			—			—			—			23,529			—			23,529
Municipal securities			—			36,464			—			36,464			—			62,715			—			62,715
Total financial assets		$	842,513		$	36,464		$	—		$	878,977		$	812,148		$	86,244		$	—		$	898,392

(1)

Cash equivalents includes money market deposits, liquid demand deposits, and other liquid investments with original maturity dates less than three months.

Fair Value of Short-Term and Long-Term Debt:

As of December 31, 2023, the estimated fair value of the total principal outstanding and accrued interest of the Credit Line, which are not presented at fair value on the Consolidated Balance Sheets for both December 31, 2023 and 2022, was $80.4 million, and was based upon observable Level 2 inputs, including the interest rate based on the 30-day Secured Overnight Financing Rate (“SOFR”) average, plus 0.5%.

As of December 31, 2023, the estimated fair value of the Convertible Notes, which are not presented at fair value on the Consolidated Balance Sheets as of December 31, 2023 and 2022, was $491.8 million and $358.4 million, respectively, was based upon observable Level 2 inputs, including pricing information from recent trades of the Convertible Notes. See Note 10, Debt, for additional details.

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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