Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 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 year ended December 31, 2018 and December 31, 2017 are as follows:

(in thousands)	Amount
Balance as of December 31, 2016	$	—
Goodwill as a result of the Business Combination	9,402
Balance as of December 31, 2017	9,402
Measurement period adjustment	(2,807)
Foreign Currency translation	75
Balance as of December 31, 2018	$	6,670

Schedule of other intangible assets

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

	December 31, 2018								December 31, 2017
(in thousands)	Gross Carrying Amount		Accumulated Amortization		Impairment		Net		Gross Carrying Amount		Accumulated Amortization		Impairment		Net
Other intangible assets:
Developed technology	$	759,290	$	(134,151)	$	—	$	625,139	$	759,374	$	(94,886)	$	—	$	664,488
In-process research and development	39,000		(5,055)		—		33,945		39,000		(2,889)		—		36,111
Trade name	28,507		—		(2,600)		25,907		29,816		—		—		29,816
Service provider network	2,000		—		—		2,000		2,000		—		—		2,000
Customer relationships	19,872		(2,198)		—		17,674		20,306		(806)		—		19,500
Software	9,405		(2,161)		—		7,244		1,274		(404)		—		870
Software not yet placed in service	—		—		—		—		5,022		—		—		5,022
Other	100		(42)		—		58		100		(25)		—		75
Total intangible assets	$	858,174	$	(143,607)	$	(2,600)	$	711,967	$	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 December 31, 2018 is as follows:

(in thousands)	Amount
2019	$	46,679
2020	46,491
2021	43,962
2022	43,326
2023	43,326
Thereafter	460,276
Total	$	684,060