Intangible Assets, Net

6 Months Ended

Jun. 30, 2020

Intangible Assets, Net [Abstract]

Intangible Assets, Net

8.INTANGIBLE ASSETS, NET

The following table provides the gross and net carrying amounts for each major class of intangible assets:

	As of June 30, 2020						As of December 31, 2019
	Gross carrying		Accumulated		Net book		Gross carrying		Accumulated		Net book
	amount		amortization		value		amount		amortization		value
	(in thousands)
Current contract intangibles	$	4,703,085	$	(2,298,491)	$	2,404,594	$	4,996,591	$	(2,218,404)	$	2,778,187
Network location intangibles		1,728,974		(959,001)		769,973		1,764,484		(915,898)		848,586
Intangible assets, net	$	6,432,059	$	(3,257,492)	$	3,174,567	$	6,761,075	$	(3,134,302)	$	3,626,773

All intangible assets noted above are included in the Company’s site leasing segment. Amortization expense relating to the intangible assets above was $107.4 million and $102.0 million for the three months ended June 30, 2020 and 2019, respectively, and $218.0 million and $203.8 million for the six months ended June 30, 2020 and 2019, respectively.