Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in the carrying amount of goodwill

Changes in the carrying amount of goodwill for the three months ended March 31, 2018 are as follows:

(in thousands)	Goodwill
Balance as of December 31, 2017	$	9,402
Measurement period adjustment	(3,654		)
Balance as of March 31, 2018	$	5,748

Schedule of other intangible assets

The Company’s intangible assets at March 31, 2018 and December 31, 2017 consisted of the following:

	March 31, 2018							December 31, 2017
(in thousands)	Gross Carrying Amount		Accumulated Amortization			Net		Gross Carrying Amount		Accumulated Amortization			Net
Other intangible assets:
Developed technology	$	759,374	$	(105,089	)	$	654,285	$	759,374	$	(94,886	)	$	664,488
In-process research and development	39,000		(3,431		)	35,569		39,000		(2,889		)	36,111
Trade name	29,816		—			29,816		29,816		—			29,816
Service provider network	2,000		—			2,000		2,000		—			2,000
Customer relationships	20,306		(889		)	19,417		20,306		(806		)	19,500
Software	1,274		(477		)	797		1,274		(404		)	870
Software not yet placed in service	5,022		—			5,022		5,022					5,022
Other	100		(29		)	71		100		(25		)	75
Total intangible assets	$	856,892	$	(109,915	)	$	746,977	$	856,892	$	(99,010	)	$	757,882

Schedule of estimated annual amortization expense for finite-lived intangible assets

Estimated annual amortization expense for finite-lived intangible assets, excluding amounts in Work in Progress, subsequent to March 31, 2018 is as follows:

(in thousands)	Amount
2018 (remaining)	$	32,753
2019	43,970
2020	43,951
2021	43,814
2022	43,691
Thereafter	501,960
Total	$	710,139