GOODWILL AND INTANGIBLE ASSETS, NET (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of changes in goodwill

Changes in goodwill during the years ended December 31, 2017 and 2016 are summarized below:

(in thousands)	Mortgage Market			Real Estate Market		Other Businesses, Corporate and Eliminations		Total
Balance as of January 1, 2016	$	69,827		$	10,006	$	2,968	$	82,801
CastleLine purchase price allocation adjustment (1)	(1,395		)	—		—		(1,395		)
RentRange and Investability purchase price allocation adjustment (2)	—			50		—		50
Acquisition of Granite	4,827			—		—		4,827
Balance as of December 31, 2016 and 2017	$	73,259		$	10,056	$	2,968	$	86,283

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⁽¹⁾  During the second quarter of 2016, goodwill was revised to reflect a purchase accounting measurement period adjustment related to the CastleLine acquisition. See Note 5.

⁽²⁾  During the third quarter of 2016, goodwill was revised to reflect a purchase accounting measurement period adjustment related to the RentRange and Investability acquisition. See Note 5.

Schedule of intangible assets, net

Intangible assets, net consist of the following as of December 31:

	Weighted average estimated useful life (in years)	Gross carrying amount				Accumulated amortization						Net book value
(in thousands)		2017		2016		2017			2016			2017		2016
Definite lived intangible assets:
Trademarks and trade names	13	$	15,354	$	15,354	$	(8,881	)	$	(7,724	)	$	6,473	$	7,630
Customer related intangible assets	10	277,828		277,828		(188,258		)	(156,980		)	89,570		120,848
Operating agreement	20	35,000		35,000		(13,865		)	(12,104		)	21,135		22,896
Non-compete agreements	4	1,560		1,560		(897		)	(507		)	663		1,053
Intellectual property	10	300		300		(115		)	(85		)	185		215
Other intangible assets	5	3,745		3,745		(1,706		)	(955		)	2,039		2,790
Total		$	333,787	$	333,787	$	(213,722	)	$	(178,355	)	$	120,065	$	155,432