Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Activity Related to Goodwill

The following table summarizes the activity related to Actua’s goodwill:

(in thousands)	Gross carrying amount		Accumulated impairment losses			Net carrying amount
Goodwill as of December 31, 2013	$	90,770	$	(304	)	$	90,466
Increase in goodwill due to VelocityEHS's acquisition of KMI	6,735		—			6,735
Increase in goodwill due to GovDelivery's acquisition of NuCivic	1,257		—			1,257
Increase in goodwill due to Bolt's acquisition of Ludwig	455		—			455
Increase in goodwill due to FolioDynamix acquisition	166,171		—			166,171
Goodwill as of December 31, 2014	$	265,388	$	(304	)	$	265,084
Increase in goodwill due to GovDelivery's acquisition of Textizen	606		—			606
Decrease in goodwill due to FolioDynamix impairment charge	—		(39,656		)	(39,656		)
Goodwill as of December 31, 2015	$	265,994	$	(39,960	)	$	226,034

Summary of Intangible Assets from Continuing Operations

The following table summarizes Actua’s intangible assets:

(in thousands)		As of December 31, 2015
		Gross carrying		Accumulated			Net carrying
Intangible assets	Useful life	amount		amortization			amount
Customer relationships	1-11 years	$	76,414	$	(22,652	)	$	53,762
Trademarks/trade names	3-11 years	24,835		(7,763		)	17,072
Technology	5-10 years	25,820		(8,055		)	17,765
Non-compete agreements	2-5 years	3,645		(3,549		)	96
		130,714		(42,019		)	88,695
Other intellectual property (1)	Indefinite	700		—			700
		$	131,414	$	(42,019	)	$	89,395

(in thousands)		As of December 31, 2014
		Gross carrying		Accumulated			Net carrying
Intangible assets	Useful life	amount		amortization			amount
Customer relationships	1-11 years	$	74,656	$	(14,817	)	$	59,839
Trademarks/trade names	3-11 years	24,543		(4,322		)	20,221
Technology	5-10 years	25,223		(4,263		)	20,960
Non-compete agreements	2-5 years	3,645		(3,367		)	278
		128,067		(26,769		)	101,298
Other intellectual property (1)	Indefinite	700		—			700
		$	128,767	$	(26,769	)	$	101,998

 ______________________________

⁽¹⁾ Included in this line item is a domain name valued at $0.3 million that Actua currently believes has an indefinite life, and a domain name for which Actua estimated the residual value to approximate its carrying value of $0.4 million as of both December 31, 2015 and December 31, 2014.

Remaining Estimated Amortization Expense

Remaining estimated amortization expense for the respective years is set forth as follows:

(in thousands)
2016	$	15,378
2017	14,839
2018	13,415
2019	12,103
2020	10,420
Thereafter	22,540
Remaining amortization expense	$	88,695