GOODWILL AND INTANGIBLE ASSETS

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

The Company’s goodwill is the result of its acquisitions of other businesses, and represents the excess of purchase consideration over the fair value of assets and liabilities acquired. The Company performed its annual goodwill impairment analysis during the three months ended September 30, 2017 and concluded that goodwill was not impaired, as the fair value of each reporting unit exceeded its carrying value.

Goodwill as of December 31, 2017 and 2016, and changes in the carrying amount of goodwill during the years ended December 31, 2017 and 2016, were as follows (in thousands):



Balance as of December 31, 2015	$	172,197
Goodwill measurement period adjustment	146
Effect of currency translation	(1,676		)
Balance as of December 31, 2016	$	170,667
Goodwill acquired	42,007
Goodwill measurement period adjustment	(178		)
Goodwill related to disposed asset group	(110,768		)
Effect of currency translation	6,226
Balance as of December 31, 2017	$	107,954

Intangible assets at December 31, 2017 and 2016 consisted of the following (dollars in thousands):



	As of December 31, 2017
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Remaining Life
Business relationships	$	9,918	$	(896	)	$	9,022	10.3 years
Developed technology	7,832		(2,071		)	5,761		4.1 years
Content	4,005		(3,610		)	395		1.8 years
Domain and data licenses	2,869		(1,847		)	1,022		2.2 years
Trademarks	877		(287		)	590		2.2 years
User relationships	146		(43		)	103		2.2 years
Total	$	25,647	$	(8,754	)	$	16,893



	As of December 31, 2016
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Remaining Life
Business relationships	$	17,400	$	(2,741	)	$	14,659	10.1 years
User relationships	12,000		(3,240		)	8,760		5.1 years
Developed technology	9,280		(4,122		)	5,158		3.1 years
Content	3,674		(2,581		)	1,093		2.0 years
Trademarks	3,338		(1,861		)	1,477		2.1 years
Domain and data licenses	2,804		(1,340		)	1,464		3.0 years
Advertiser relationships	1,549		(1,549		)	—		0.0 years
Total	$	50,045	$	(17,434	)	$	32,611

Amortization expense for the years ended December 31, 2017, 2016 and 2015 was $6.6 million, $6.8 million and $6.5 million, respectively.

As of December 31, 2017, the estimated future amortization of purchased intangible assets for (i) each of the succeeding five years and (ii) thereafter is as follows (in thousands):



Year Ending December 31,	Amount
2018	$	3,533
2019	3,277
2020	2,402
2021	2,262
2022	1,045
Thereafter	4,374
Total amortization	$	16,893

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

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