Intangible Assets and Goodwill (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill information by reportable units

The following tables present goodwill information for each of the reportable segments for the years ended December 31, 2018 and December 31, 2017:



Reportable Segment:	December 31, 2017		Impairment Charge of Goodwill		Effect of Exchange Rates (1)			December 31, 2018
	(In thousands)
MID	$	66,643	$	—	$	—		$	66,643
RSD	143,018		—		(2,483		)	140,535
Total	$	209,661	$	—	$	(2,483	)	$	207,178

(1) Effect of exchange rates relates to foreign currency translation adjustments for the period.



	As of December 31, 2018
Reportable Segment:	Gross Carrying Amount		Accumulated Impairment Losses			Net Carrying Amount
	(In thousands)
MID	$	66,643	$	—		$	66,643
RSD	140,535		—			140,535
Other	21,770		(21,770		)	—
Total	$	228,948	$	(21,770	)	$	207,178



Reportable Segment:	December 31, 2016		Addition to Goodwill (1)		Impairment Charge of Goodwill		Effect of Exchange Rates (2)		December 31, 2017

MID	$	66,643	$	—	$	—	$	—	$	66,643
RSD	138,151		803		—		4,064		143,018
Total	$	204,794	$	803	$	—	$	4,064	$	209,661

(1) During the first quarter of 2017, the Company corrected an immaterial error related to an overstatement in prepaids and other current assets that originated in 2016.

(2) Effect of exchange rates relates to foreign currency translation adjustments for the period.



	As of December 31, 2017
Reportable Segment:	Gross Carrying Amount		Accumulated Impairment Losses			Net Carrying Amount

MID	$	66,643	$	—		$	66,643
RSD	143,018		—			143,018
Other	21,770		(21,770		)	—
Total	$	231,431	$	(21,770	)	$	209,661

Components of intangible assets

The components of the Company’s intangible assets as of December 31, 2018 and December 31, 2017 were as follows:



		As of December 31, 2018
	Useful Life	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
		(In thousands)
Existing technology	3 to 10 years	$	258,903	$	(213,824	)	$	45,079
Customer contracts and contractual relationships	1 to 10 years	67,667		(54,410		)	13,257
Non-compete agreements and trademarks	3 years	300		(300		)	—
In-process research and development	Not applicable	1,600		—			1,600
Total intangible assets		$	328,470	$	(268,534	)	$	59,936



		As of December 31, 2017
	Useful Life	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
		(In thousands)
Existing technology	3 to 10 years	$	258,008	$	(191,554	)	$	66,454
Customer contracts and contractual relationships	1 to 10 years	68,794		(48,626		)	20,168
Non-compete agreements and trademarks	3 years	300		(300		)	—
In-process research and development	Not applicable	5,100		—			5,100
Total intangible assets		$	332,202	$	(240,480	)	$	91,722

Estimated future amortization expense of intangible assets

The estimated future amortization expense of intangible assets as of December 31, 2018 was as follows (amounts in thousands):



Years Ending December 31:	Amount
2019	$	20,177
2020	19,892
2021	12,975
2022	2,047
2023	1,526
Thereafter	1,719
Total amortizable purchased intangible assets	58,336
In-process research and development	1,600
Total intangible assets	$	59,936