Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in the carrying amount of goodwill

Changes in the carrying amount of goodwill for the twelve months ended December 31, 2017 and December 31, 2016 are as follows:



(in thousands)	Goodwill
Balance as of December 31, 2015	$	56,006
Measurement period adjustments	6,367
Impairment	(62,373		)
Balance as of December 31, 2016	$	—
Goodwill as a result of the Business Combination	9,402
Balance as of December 31, 2017	$	9,402

Schedule of other intangible assets

The Company’s other intangible assets at December 31, 2017 and December 31, 2016 consisted of the following:



	December 31, 2017									December 31, 2016
(in thousands)	Gross Carrying Amount		Accumulated Amortization			Impairment		Net		Gross Carrying Amount		Accumulated Amortization			Impairment			Net
Other intangible assets:
Developed technology	$	759,374	$	(94,886	)	$	—	$	664,488	$	757,000	$	(55,623	)	$	—		$	701,377
In-process research and development	39,000		(2,889		)	—		36,111		39,000		(722		)	—			38,278
Trade name	29,816							29,816		35,500		—			(9,500		)	26,000
Service provider network	2,000					—		2,000		2,000		—			—			2,000
Customer relationships	20,306		(806		)	—		19,500		8,000		(472		)	—			7,528
Software	1,274		(404		)	—		870		660		(104		)	—			556
Software not yet placed in service	5,022					—		5,022		753		—			—			753
Other	100		(25		)	—		75		100		(8		)	—			92
Total intangible assets	$	856,892	$	(99,010	)	$	—	$	757,882	$	843,013	$	(56,929	)	$	(9,500	)	$	776,584

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 December 31, 2017 is as follows:



(in thousands)	Amount
2018	$	43,657
2019	43,970
2020	43,951
2021	43,814
2022	43,691
Thereafter	501,960
Total	$	721,043