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Fair Value Measurements
12 Months Ended
Dec. 31, 2023
Fair Value Disclosures [Abstract]  
Fair Value Measurements Fair Value Measurements
As of December 31, 2023 and 2022, the amounts of our assets and liabilities that were accounted for at fair value were immaterial.
Fair value measurements are categorized in one of the following three levels based on the lowest level input that is significant to the fair value measurement in its entirety:
Level 1—Inputs to the valuation methodology are unadjusted quoted prices in active markets for identical assets or liabilities.
Level 2—Observable inputs other than quoted prices in active markets for identical assets or liabilities include:
a) quoted prices for similar assets or liabilities in active markets;
b) quoted prices for identical or similar assets or liabilities in inactive markets;
c) inputs other than quoted prices that are observable for the asset or liability;
d) inputs that are derived principally from or corroborated by observable market data by correlation or other means.
If the asset or liability has a specified (contractual) term, the Level 2 input must be observable for substantially the full term of the asset or liability.
Level 3—Inputs to the valuation methodology are unobservable (i.e., supported by little or no market activity) and significant to the fair value measure.
Fair Value of Financial Instruments
The carrying amounts reported in our consolidated balance sheets for accounts receivable, accounts payable and accrued expenses and other liabilities approximate fair value due to the immediate to short-term maturity of these financial instruments. The fair values of our variable rate debt facilities and finance leases approximated their book values as of December 31, 2023
and 2022. The estimated fair values of our other financial instruments, all of which are categorized in Level 1 of the fair value hierarchy, as of December 31, 2023 and 2022 have been calculated based upon available market information, and were as follows:  
December 31, 2023December 31, 2022
Carrying
Amount
Fair
Value 
Carrying
Amount 
Fair
Value 
Senior notes$7,720 $7,442 $7,712 $7,143