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Fair Value Measurements (Tables)
 3 Months Ended
Mar. 31, 2018
Fair Value Measurements [Abstract]  
Summary Of Asset Impairment And Decommission Costs



 

 

 

 

 

 



 

 

 

 

 

 



 

For the three months



 

ended March 31,



 

2018

 

2017



 

 

 

 

Asset impairment (1)

 

$

 5,855 

 

$

 3,014 

Write-off of carrying value of decommissioned towers

 

 

 2,001 

 

 

 3,971 

Other third party decommission costs

 

 

 650 

 

 

 1,366 

Total asset impairment and decommission costs

 

$

 8,506 

 

$

 8,351 

(1)

Represents impairment charges resulting from the Company’s regular analysis of whether the future cash flows from certain towers are adequate to recover the carrying value of the investment in those towers.