Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2019

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, 2019 and the twelve months ended December 31, 2018 were as follows:

(in thousands)	March 31, 2019		December 31, 2018
Balance as of Beginning balance	$	6,670	$	9,402
Measurement period adjustment	—		(2,807)
Foreign currency translation	(21)		75
Balance as of Ending balance	$	6,649	$	6,670

Schedule of other intangible assets

The Company’s intangible assets at March 31, 2019 and December 31, 2018 consisted of the following:

	March 31, 2019								December 31, 2018
(in thousands)	Gross Carrying Amount		Accumulated Amortization		Impairment		Net		Gross Carrying Amount		Accumulated Amortization		Impairment		Net
Other intangible assets:
Developed technology	$	759,248	$	(143,967)	$	—	$	615,281	$	759,290	$	(134,151)	$	—	$	625,139
In-process research and development	39,000		(5,597)		—		33,403		39,000		(5,055)		—		33,945
Trade name	25,445		—		—		25,445		28,507		—		(2,600)		25,907
Service provider network	2,000		—		—		2,000		2,000		—		—		2,000
Customer relationships	19,657		(1,619)		—		18,038		19,872		(2,198)		—		17,674
Software	9,380		(3,563)		—		5,817		9,405		(2,161)		—		7,244
Other	100		(45)		—		55		100		(42)		—		58
Total intangible assets	$	854,830	$	(154,791)	$	—	$	700,039	$	858,174	$	(143,607)	$	(2,600)	$	711,967

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

Estimated annual amortization expense for finite-lived intangible assets subsequent to March 31, 2019 is as follows:

(in thousands)	Amount
2019 (remaining)	$	35,094
2020	46,842
2021	43,969
2022	43,325
2023	43,325
Thereafter	460,039
Total	$	672,594