Intangible Asset and Goodwill (Tables)

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in carrying amount of goodwill by reporting unit

The following tables present goodwill information for each of the reportable segments for the nine months ended September 30, 2017:

Reportable Segment:	As of December 31, 2016		Additions to Goodwill (1)		Impairment of Goodwill		Effect of Exchange Rates (2)		As of September 30, 2017
	(In thousands)
MID	$	66,643	$	—	$	—	$	—	$	66,643
RSD	138,151		803		—		3,721		142,675
Total	$	204,794	$	803	$	—	$	3,721	$	209,318

(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
	September 30, 2017
Reportable Segment:	Gross Carrying Amount		Accumulated Impairment Losses			Net Carrying Amount
	(In thousands)
MID	$	66,643	$	—		$	66,643
RSD	142,675		—			142,675
Other	21,770		(21,770		)	—
Total	$	231,088	$	(21,770	)	$	209,318

Components of intangible assets

The components of the Company’s intangible assets as of September 30, 2017 and December 31, 2016 were as follows:

		As of September 30, 2017
	Useful Life	Gross Carrying Amount (1)		Accumulated Amortization			Net Carrying Amount
		(In thousands)
Existing technology	3 to 10 years	$	258,792	$	(183,590	)	$	75,202
Customer contracts and contractual relationships	1 to 10 years	68,376		(46,133		)	22,243
Non-compete agreements and trademarks	3 years	300		(300		)	—
In-process research and development	Not applicable	5,100		—			5,100
Total intangible assets		$	332,568	$	(230,023	)	$	102,545

(1) The change in gross carrying amount reflects the effects of exchange rates during the period.

		As of December 31, 2016
	Useful Life	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
		(In thousands)
Existing technology	3 to 10 years	$	256,656	$	(156,577	)	$	100,079
Customer contracts and contractual relationships	1 to 10 years	65,109		(37,900		)	27,209
Non-compete agreements and trademarks	3 years	300		(300		)	—
In-process research and development	Not applicable	5,100		—			5,100
Total intangible assets		$	327,165	$	(194,777	)	$	132,388

Estimated future amortization expense of intangible assets

The estimated future amortization of intangible assets as of September 30, 2017 was as follows (amounts in thousands):

Years Ending December 31:	Amount
2017 (remaining 3 months)	$	11,775
2018	29,624
2019	19,877
2020	19,133
2021	12,653
Thereafter	9,483
	$	102,545