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Fair Value Measurements (Tables)
 12 Months Ended
Dec. 31, 2016
Fair Value Measurements [Abstract]  
Summary Of Asset Impairment And Decommission Costs



 

 

 

 

 

 

 

 

 



 

 

 

 

 

 

 

 

 



 

For the year



 

ended December 31,



 

2016

 

2015

 

2014



 

 

 

 

 

 

 

 

Asset impairment (1)

 

$

 19,217 

 

$

 10,287 

 

$

 3,042 

Impairment of fiber assets (2)

 

 

 —

 

 

 56,733 

 

 

 —

Gain on sale of fiber assets (2)

 

 

 (8,919)

 

 

 —

 

 

 —

Write-off of carrying value of decommissioned towers

 

 

 12,967 

 

 

 21,231 

 

 

 15,342 

Other third party decommission costs

 

 

 4,549 

 

 

 5,378 

 

 

 5,417 

Write-off and disposal of former corporate headquarters

 

 

 2,345 

 

 

 1,154 

 

 

 —

Other disposal costs

 

 

 83 

 

 

 —

 

 

 —

Total asset impairment and decommission costs

 

$

 30,242 

 

$

 94,783 

 

$

 23,801 



(1)Represents impairment charges resulting from the Company’s analysis that the future cash flows from certain towers would not recover the carrying value of the investment in those towers.

(2)The impairment review of the fiber assets acquired in the 2012 Mobilitie transaction was triggered by a strategic decision made by the Company in 2015. The gain in 2016 related to the sale of these fiber assets.