Goodwill and Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill for the years ended December 31, 2017 and 2016, are as follows:

	2017			2016
Beginning balance	$	157,175		$	165,169
Acquisitions	4,850			—
Impairment	(13,823		)	—
Foreign currency translation adjustments	5,087			(7,994		)
Ending balance	$	153,289		$	157,175

Schedule of Intangible Assets

Intangible assets consist of the following as of December 31, 2017:

	Weighted Average Useful Life (Years)	Gross Carrying Amount		Accumulated Amortization			Net
Patents, developed technologies and know-how	15.9	$	263,615	$	(44,954	)	$	218,661
Customer relationships	6.5	10,700		(6,383		)	4,317
Trademarks	9.3	6,800		(2,567		)	4,233
In-process research and development		5,666		—			5,666
Total		$	286,781	$	(53,904	)	$	232,877

Intangible assets consist of the following as of December 31, 2016:

	Gross Carrying Amount		Accumulated Amortization			Net
Patents, developed technologies and know-how	$	236,401	$	(29,748	)	$	206,653
Customer relationships	10,700		(4,672		)	6,028
Trademarks	6,800		(1,792		)	5,008
Covenant not to compete	370		(339		)	31
In-process research and development	7,895		—			7,895
Total	$	262,166	$	(36,551	)	$	225,615

Schedule of Definite-Lived Intangible Assets, Estimated Future Amortization Expense

Estimated aggregate amortization expense for definite lived intangible assets is expected to be as follows:

2018	$	19,258
2019	18,935
2020	18,833
2021	18,645
2022	17,646
Thereafter	133,894
Total	$	227,211