Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Goodwill balances are presented below (in thousands):

	Carrying Amount
Balance as of December 31, 2017	$	128,728
Foreign currency translation adjustments	(43		)
Balance as of March 31, 2018	$	128,685

Schedule of Intangible Assets

Intangible assets consist of the following (in thousands):

	March 31, 2018
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Developed technology	$	75,271	$	(34,388	)	$	40,883
Patents	32,130		(4,092		)	28,038
Other	16,831		(3,199		)	13,632
Total intangible assets	$	124,232	$	(41,679	)	$	82,553

	December 31, 2017
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Developed technology	$	102,349	$	(43,382	)	$	58,967
Patents	31,030		(3,239		)	27,791
Other	1,575		(1,417		)	158
Total intangible assets	$	134,954	$	(48,038	)	$	86,916

Schedule of Estimated Future Amortization Expense Related to Intangible Assets

The following table presents the estimated future amortization expense related to intangible assets held at March 31, 2018 (in thousands):

Years Ending December 31,
2018	$	17,231
2019	22,920
2020	12,895
2021	10,959
2022	7,066
Thereafter	11,482
Total future amortization expense	$	82,553