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FAIR VALUE MEASUREMENTS (Tables)
12 Months Ended
Dec. 31, 2022
Fair Value Measurements  
Valuation of marketable securities

December 31, 2022

Quoted Priced in Active Markets

Significant Other

Significant

for Identical Instruments

Observable Inputs

Unobservable Inputs

    

(Level 1)

    

(Level 2)

    

(Level 3)

    

Total

Marketable securities

$

49,371

$

$

$

49,371

December 31, 2021

Quoted Prices in Active Markets

Significant Other

Significant

for Identical Instruments

Observable Inputs

Unobservable Inputs

    

(Level 1)

    

(Level 2)

    

(Level 3)

    

Total

Marketable securities

$

52,456

$

$

$

52,456

Valuation of senior notes

December 31, 2022

December 31, 2021

Carrying Amount

Estimated Fair Value

Carrying Amount

Estimated Fair Value

Senior Notes

$

4,371,653

$

4,119,777

$

3,826,978

$

4,135,629