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Fair Value of Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2018
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 June 30, 2018 and December 31, 2017, in thousands, is as follows:
 
June 30, 2018
 
December 31, 2017
 
Carrying
Amount (1)
 
Fair Value
 
Carrying
Amount (1)
 
Fair Value
Debt
$
934,522

 
$
919,752

 
$
937,792

 
$
942,529


_______________

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