Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2020

Fair Value Measurements [Abstract]

Summary of Asset Impairment and Decommission Costs

	For the year
	ended December 31,
	2020		2019		2018
Asset impairment (1)	$	31,552	$	18,794	$	14,350
Write-off of carrying value of decommissioned towers		7,456		11,155		10,795
Other (including third party decommission costs)		1,089		3,154		1,989
Total asset impairment and decommission costs	$	40,097	$	33,103	$	27,134

(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.