Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of carrying amount of goodwill

							Principal
							Investments-
	Capital		Auction and		Valuation and		United Online
	Markets		Liquidation		Appraisal		and magicJack
	Segment		Segment		Segment		Segment			Total
Balance as of December 31, 2017	$	77,356	$	1,975	$	3,713	$	15,727		$	98,771
Goodwill acquired during the year:
Wunderlich purchase price adjustment		1,847		—		—		—			1,847
GlassRatner on August 1, 2018		16,617		—		—		—			16,617
magicJack on November 14, 2018		—		—		—		106,133			106,133
Balance as of December 31, 2018		95,820		1,975		3,713		121,860			223,368
Goodwill acquired during the year:
magicJack purchase price adjustment		—		—		—		3,542			3,542
magicJack allocation to the sale of a division		—		—		—		(3,213	)		(3,213	)
Balance as of December 31, 2019	$	95,820	$	1,975	$	3,713	$	122,189		$	223,697

Schedule of intangible assets

Intangible assets consisted of the following:

		As of December 31, 2019						As of December 31, 2018
		Gross						Gross
		Carrying		Accumulated		Intangibles		Carrying		Accumulated		Intangibles
	Useful Life	Value		Amortization		Net		Value		Amortization		Net
Amortizable assets:
Customer relationships	2 to 16 Years	$	99,008	$	27,269	$	71,739	$	92,330	$	16,608	$	75,722
Domain names	7 Years		233		117		116		237		85		152
Advertising relationships	8 Years		100		44		56		100		31		69
Internally developed software and other intangibles	0.5 to 5 Years		11,765		4,843		6,922		11,773		2,436		9,337
Trademarks	7 to 10 Years		4,600		1,324		3,276		4,600		762		3,838
Total			115,706		33,597		82,109		109,040		19,922		89,118
Non-amortizable assets:
Tradenames			138,416		—		138,416		2,240		—		2,240
Total intangible assets		$	254,122	$	33,597	$	220,525	$	111,280	$	19,922	$	91,358