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Fair Value Measurements
12 Months Ended
Dec. 31, 2023
Fair Value Disclosures [Abstract]  
Fair Value Measurements

20. Fair Value Measurements

Accounting standards define fair value, outline a framework for measuring fair value, and detail the required disclosures about fair value measurements. Under these standards, fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date in the principal or most advantageous market. Standards establish a hierarchy in determining the fair market value of an asset or liability. The fair value hierarchy has three levels of inputs, both observable and unobservable. Standards require the utilization of the highest possible level of input to determine fair value.

Level 1 – inputs include quoted market prices in an active market for identical assets or liabilities.

Level 2 – inputs are market data, other than Level 1, that are observable either directly or indirectly. Level 2 inputs include quoted market prices for similar assets or liabilities, quoted market prices in an inactive market, and other observable information that can be corroborated by market data.

Level 3 – inputs are unobservable and corroborated by little or no market data.

The carrying value and fair value, by fair value hierarchy, of the Company’s financial instruments at December 31, 2023, and 2022, are as follows (in thousands):

    

Fair Value Measurements at December 31, 2023

Quoted

Prices in

Active

Significant

Markets for

Other

Significant

Fair Value at

Identical

Observable

Unobservable

December 31, 

Assets

Inputs

Inputs

 

2023

    

(Level 1)

    

(Level 2)

    

(Level 3)

Cash and cash equivalents (1)

$

298,349

$

298,349

$

$

Fair Value Measurements at December 31, 2022

Quoted

Prices in

Active

Significant

Markets for

Other

Significant

Fair Value at

Identical

Observable

Unobservable

December 31, 

Assets

Inputs

Inputs

    

2022

    

(Level 1)

    

(Level 2)

    

(Level 3)

Cash and cash equivalents (1)

$

237,125

$

237,125

$

$

Marketable securities

 

$

167,408

$

167,408

$

$

(1)Cash and cash equivalents includes $283.2 million and $200.7 million invested in U.S. government money market funds as of December 31, 2023, and 2022, respectively.

The Company had no transfers of assets or liabilities between fair value hierarchy levels during the years ended December 31, 2023, and 2022.

For the 2021 Bonds, the fair values are estimated using the Black-Derman-Toy interest rate lattice framework. The effective maturity of the 2021 Bonds was assumed to be April 1, 2024 (three years from issuance) with repayment of 100% of principal on that date. The impact of the Company’s optional redemption feature, effective October 1, 2022, is appropriately captured by the Black-Derman-Toy interest rate lattice. The carrying values and estimated fair values of the 2021 Bonds as of December 31, 2023, are summarized as follows (in thousands):

    

Carrying

    

Estimated

Value

Fair Value

2021 Bonds

$

67,967

$

67,916