Fair Value Measurements

3 Months Ended

Mar. 31, 2023

4. Fair Value Measurements

Marketable Securities

As of March 31, 2023 and December 31, 2022, marketable securities of $69.0 million and $48.7 million, respectively, are stated at fair value based on valuations provided by third-party pricing services and are classified within Level 2 of the valuation hierarchy.

Interest Rate Derivatives

The Company's derivative assets include interest rate cap and swap instruments that effectively manage the risk above certain interest rates for a portion of the Company's long-term variable rate debt. The Company has not designated the interest rate cap and swap instruments as hedging instruments and as such, changes in the fair value of the instruments are recognized in earnings in the period of the change. The interest rate derivative positions are valued using models developed by the respective counterparty that use as their basis readily available observable market parameters (such as forward yield curves) and are classified within Level 2 of the valuation hierarchy. The Company considers the credit risk of its counterparties when evaluating the fair value of its derivatives.

The following table summarizes the Company's London Interbank Offer Rate ("LIBOR") and Secured Overnight Financing Rate ("SOFR") interest rate cap instruments as of March 31, 2023.


($ in thousands)
Current notional balance	$	1,231,920
Weighted average fixed cap rate	4.34		%


Weighted average remaining term	1.1 years
Estimated asset fair value (included in other assets, net) at March 31, 2023	$	9,125
Estimated asset fair value (included in other assets, net) at December 31, 2022	$	10,599

The following table summarizes the Company's SOFR interest rate swap instrument as of March 31, 2023.


($ in thousands)
Current notional balance	$	220,000
Fixed interest rate	3.00		%

Remaining term	1.1 years
Estimated asset fair value (included in other assets, net) at March 31, 2023	$	3,692
Estimated asset fair value (included in other assets, net) at December 31, 2022	$	4,834

Long-term debt

The Company estimates the fair value of its debt primarily using a discounted cash flow analysis based upon the Company's current borrowing rate for debt with similar maturities and collateral securing the indebtedness. The Company estimates the fair value of its convertible senior notes based on valuations provided by third-party pricing services. The Company had outstanding long-term debt with a carrying amount of approximately $3.9 billion as of both March 31, 2023 and December 31, 2022. Fair value of the long-term debt is approximately $3.4 billion as of both March 31, 2023 and December 31, 2022. The Company's fair value of long-term debt disclosure is classified within Level 2 of the valuation hierarchy.

- 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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