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FAIR VALUE MEASUREMENTS (Tables)
3 Months Ended
Mar. 31, 2024
Fair Value Measurements  
Valuation of marketable securities

The tables below identify the estimated fair value of the Company’s marketable securities, determined by reference to quoted market prices (Level 1), as of March 31, 2024, and December 31, 2023 (in thousands):

March 31, 2024

Quoted Priced in Active Markets

Significant Other

Significant

for Identical Instruments

Observable Inputs

Unobservable Inputs

    

(Level 1)

    

(Level 2)

    

(Level 3)

    

Total

Marketable securities

$

62,219

$

$

$

62,219

December 31, 2023

Quoted Prices in Active Markets

Significant Other

Significant

for Identical Instruments

Observable Inputs

Unobservable Inputs

    

(Level 1)

    

(Level 2)

    

(Level 3)

    

Total

Marketable securities

$

59,508

$

$

$

59,508

Valuation of senior notes

March 31, 2024

December 31, 2023

Carrying Amount

Estimated Fair Value

Carrying Amount

Estimated Fair Value

Senior Notes

$

4,821,943

$

4,643,028

$

4,820,543

$

4,687,065