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Fair Value Measurements (Tables)
 12 Months Ended
Dec. 31, 2019
Fair Value Measurements [Abstract]  
Summary of Carrying and Fair Value of Debt
A summary of the carrying value and fair value of the Company’s debt at December 31, 2019 and 2018 is as follows:

 
December 31,
 
2019
 
2018
 
Carrying Value
 
Fair Value
 
Carrying Value
 
Fair Value
Debt
 
 
 
 
 
 
 
Senior notes and debentures
$
68,733

 
$
74,938

 
$
62,868

 
$
61,087

Credit facilities
$
10,345

 
$
10,448

 
$
9,959

 
$
9,608