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Fair Value (Tables)
 9 Months Ended
Sep. 30, 2017
Fair Value Disclosures [Abstract]  
Information About Our Fixed Rate Financial Instruments Not Measured at Fair Value
Information about our fixed rate financial instruments not measured at fair value follows:
 
Third Quarter-End 2017
 
Year-End 2016
 
 
 
Carrying
Amount
 
Fair
Value
 
Carrying
Amount
 
Fair
Value
 
Valuation
Technique
 
(In thousands)
 
 
Fixed rate debt
$
(114,502
)
 
$
(119,246
)
 
$
(111,506
)
 
$
(109,789
)
 
Level 2