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Fair Value of Financial Instruments (Tables)
3 Months Ended
Mar. 31, 2019
Fair Value Disclosures [Abstract]  
Fair value of certain financial assets and liabilities and other financial instruments
The fair value of certain financial assets and liabilities and other financial instruments as of March 31, 2019 and December 31, 2018, in thousands, is as follows:
 
March 31, 2019
 
December 31, 2018
 
Carrying
Amount (1)
 
Fair Value
 
Carrying
Amount (1)
 
Fair Value
Debt
$
1,034,907

 
$
1,027,913

 
$
977,966

 
$
960,447

Interest rate swap agreements
$
572

 
$
572

 
$

 
$


_______________

(1)
The carrying amount of debt is net of unamortized debt issuance costs.