Goodwill, In-Process Research and Development and Intellectual Property (Tables)

12 Months Ended

Dec. 31, 2018

Schedule of Goodwill and Intangible Assets [Line Items]

Carrying Value of Goodwill and Change in Balance

The carrying value of goodwill and the change in the balance for the years ended December 31, 2018, 2017 and 2016 is as follows:

	Goodwill
	(Inthousands)
Balance at December 31, 2015	$	130,869
Foreign currency translation impact		(388	)
Impairment loss		(61,784	)
Balance at December 31, 2016	$	68,697
Foreign currency translation impact		2,671
Balance at December 31, 2017		71,368
Additions		9,638
Foreign currency translation impact		(875	)
Balance at December 31, 2018	$	80,131

Carrying Value of Company's Intangible Assets and Change in Balance

The components of gross intellectual property, accumulated amortization, and net intellectual property as of December 31, 2018 and 2017 are as follows:

	December 31, 2018									December 31, 2017
	(In thousands)									(In thousands)
	Gross Carrying Amount		Accumulated Amortization			Foreign currency translation impact		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Foreign currency translation impact		Net Carrying Amount
Developed technology	$	66,413	$	(30,550	)	$	3,495	$	39,358	$	66,413	$	(19,724	)	$	5,529	$	52,218
Technology and patents purchased		400		(72	)		30		358		400		(30	)		50		420
Total intellectual property	$	66,813	$	(30,622	)	$	3,525	$	39,716	$	66,813	$	(19,754	)	$	5,579	$	52,638

Summary of Estimated Future Amortization Expense of Intangible Assets

The estimated future amortization expense of intangible assets as of December 31, 2018 is as follows:

	Years ending December 31,
	(In thousands)
2019	$	10,540
2020		10,538
2021		10,538
2022		7,915
2023		42
Thereafter		143
Total	$	39,716

In-Process Research and Development [Member]

Schedule of Goodwill and Intangible Assets [Line Items]

Carrying Value of Company's Intangible Assets and Change in Balance

The carrying value of the Company’s IPR&D assets and the change in the balance for the years ended December 31, 2017 and 2018 is as follows:

	In-Process Research and Development
	(In thousands)
Balance at December 31, 2016	$	15,920
Foreign currency translation impact		1,993
Transfer to developed technology		(17,913	)
Balance at December 31, 2017		—
Additions		10,633
Foreign currency translation impact		114
Balance at December 31, 2018	$	10,747